diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..b2b71e3f1111f2f92d49dcbb17c9363d23b4e150
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,31 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+.env
+
+# Streamlit
+.streamlit/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+
+# Binary assets (too large for HuggingFace)
+assets/reference/
+*.png
+*.jpg
+*.jpeg
diff --git a/00_Master_Integration_Plan.md b/00_Master_Integration_Plan.md
new file mode 100644
index 0000000000000000000000000000000000000000..c3d24faa081f75bdfbaa0303f9fee0fd4e465d7a
--- /dev/null
+++ b/00_Master_Integration_Plan.md
@@ -0,0 +1,138 @@
+# ๐ [Geo-Lab AI] ํตํฉ ์ํคํ
์ฒ ์ค๊ณ์ (Master Integration Plan)
+
+**Project Name:** Geo-Lab AI: The Living Earth
+**Version:** Global Build 1.0 (Integration Phase)
+**Scope:** Full-stack Geomorphology Simulation (All Modules)
+**Director:** [User Name]
+
+---
+
+## 0. ํตํฉ ๊ฐ๋ฐ ์ฒ ํ (System Philosophy)
+
+**"์งํ์ ๊ณ ๋ฆฝ๋์ด ์์ง ์๋ค (No Landform is an Island)."**
+๋ณธ ํตํฉ ์์คํ
์ 7๊ฐ์ ๋
๋ฆฝ ๋ชจ๋(ํ์ฒ, ํด์, ์นด๋ฅด์คํธ, ํ์ฐ, ๋นํ, ๊ฑด์กฐ, ํ์ผ)์ **'๊ฐ์ด์ ์์ง(Gaia Engine)'**์ด๋ผ๋ ํ๋์ ๋ฌผ๋ฆฌ ์๋ฒ ์์์ ์ ๊ธฐ์ ์ผ๋ก ๊ตฌ๋ํ๋ค. ์ฌ์ฉ์๊ฐ ์กฐ์ ํ๋ ๊ธฐํ์ ์ง๊ฐ ์๋์ง๊ฐ ๋๋น ํจ๊ณผ์ฒ๋ผ ์ ์ง๊ตฌ์ ์งํ ๋ณํ๋ฅผ ์ผ์ผํค๋ **์ํ ์์คํ
(Feedback Loop)** ๊ตฌํ์ ๋ชฉํ๋ก ํ๋ค.
+
+---
+
+## 1. ์์คํ
์ํคํ
์ฒ: ๊ฐ์ด์ ์์ง (The Gaia Engine)
+
+๋ชจ๋ ๊ฐ๋ณ ๋ชจ๋์ ์๋ 3๊ฐ์ง **๊ธ๋ก๋ฒ ๋ณ์(Global Variables)**์ ์ข
์๋์ด ์๋ํ๋ค.
+
+### ๐๏ธ ๊ธ๋ก๋ฒ ์ปจํธ๋กค๋ฌ (Global Controllers)
+1. **์ง๊ฐ ์๋์ง ($E_{tectonics}$):**
+ * *Role:* ํ์ ์ด๋ ์๋ ๋ฐ ๋ง๊ทธ๋ง ํ๋์ฑ ์ ์ด.
+ * *Impact:* $E \uparrow$ $\Rightarrow$ ์ ๊ธฐ ์ต๊ณก ์ฐ์ง ์ต๊ธฐ, ํ์ฐ ํญ๋ฐ ๋น๋ ์ฆ๊ฐ, ์ง์ง ๋ฐ์.
+2. **๊ธฐํ ๋ ๋ฒจ ($C_{climate}$):**
+ * *Role:* ์ง๊ตฌ ํ๊ท ๊ธฐ์จ($T_{avg}$) ๋ฐ ๊ฐ์๋($P_{avg}$) ์ ์ด.
+ * *Impact:* $T \downarrow$ $\Rightarrow$ ๋นํ ํ์ฅ (๋น๊ธฐ). $T \uparrow$ $\Rightarrow$ ๋นํ ํํด ๋ฐ ํด์๋ฉด ์์น (๊ฐ๋น๊ธฐ).
+3. **ํด์๋ฉด ๊ณ ๋ ($H_{sea}$):**
+ * *Role:* ์นจ์ ๊ธฐ์ค๋ฉด(Base Level) ์ค์ .
+ * *Impact:* $H \downarrow$ $\Rightarrow$ ํ์ฒ ํ๋ฐฉ ์นจ์ ๊ฐํ(๊ฐ์
๊ณก๋ฅ). $H \uparrow$ $\Rightarrow$ ํ๊ตฌ ํด์ ๊ฐํ(์ผ๊ฐ์ฃผ, ์ํธ).
+
+---
+
+## 2. ๋ชจ๋ ๊ฐ ์ํธ์์ฉ ๋ก์ง (Cross-Module Interaction)
+
+์งํ ๋ชจ๋๋ผ๋ฆฌ ๋ฐ์ดํฐ๋ฅผ ์ฃผ๊ณ ๋ฐ์ผ๋ฉฐ ์๋ก์ด ์งํ์ ์์ฑํ๋ **์ธ๊ณผ๊ด๊ณ ์ฒด์ธ(Chain)**์ ์ ์ํ๋ค.
+
+### ๐ Chain A. [์ฐ์ง] $\leftrightarrow$ [๊ฑด์กฐ]: ๋น๊ทธ๋ ํจ๊ณผ (Rain Shadow)
+* **Logic:** ๊ฑฐ๋ํ ์ต๊ณก ์ฐ๋งฅ์ด ์ต๊ธฐํ์ฌ ์์ฆ๊ธฐ๋ฅผ ๋ง์.
+* **Process:**
+ 1. **[์ฐ์ง]** ๋ชจ๋: ํด๋ฐ๊ณ ๋ $H > 3,000m$ ์ฐ๋งฅ ์์ฑ.
+ 2. **[๊ธฐ์]** ์์ง: ํธ์ํ์ด ์ฐ๋งฅ์ ๋ถ๋ชํ ๋น๋ฅผ ๋ฟ๋ฆผ (๋ฐ๋๋ฐ์ด ์ฌ๋ฉด).
+ 3. **[๊ฑด์กฐ]** ๋ชจ๋ ํธ๋ฆฌ๊ฑฐ: ์ฐ๋งฅ ๋ฐ๋ํธ์ ๊ฑด์กฐ ๊ธฐํ ํ์ฑ $\rightarrow$ ์ฌ๋ง/์ฌ๊ตฌ ์์ฑ.
+
+### ๐ Chain B. [๋นํ] $\leftrightarrow$ [ํ์ผ]: ์ต๋น์์ ๋ฒ๋ (Meltwater Pulse)
+* **Logic:** ๋นํ๊ธฐ๊ฐ ๋๋๊ณ ๊ฐ๋น๊ธฐ๊ฐ ์ค๋ฉด ๋ง๋ํ ๋ฌผ์ด ํ์ผ๋ก ์์์ง.
+* **Process:**
+ 1. **[๋นํ]** ๋ชจ๋: ๊ธฐ์จ ์์น($T \uparrow$)์ผ๋ก ๋นํ ํํด.
+ 2. **[์๋ฌธ]** ์์ง: ์ต๋น์ ์ ์
๋($Q_{melt}$) ๊ธ์ฆ.
+ 3. **[ํ์ผ]** ๋ชจ๋ ํธ๋ฆฌ๊ฑฐ: ํ์ฒ ์ ๋ ํญ์ฆ $\rightarrow$ ๋ฒ๋์ ํ๋, ๋ฐฐํ์ต์ง ํ์ฑ, ํ๊ตฌ ์ผ๊ฐ์ฃผ ์ฑ์ฅ ๊ฐ์.
+
+### ๐ Chain C. [ํ์ฐ] $\leftrightarrow$ [์นด๋ฅด์คํธ]: ์ฐ์ฑ๊ณผ ์ผ๊ธฐ์ฑ (Chemical Weathering)
+* **Logic:** ํ์ฐ ํ๋์ผ๋ก ์ธํ ์ฐ์ฑ๋น๊ฐ ์ํ์ ์ฉ์์ ๊ฐ์ํ.
+* **Process:**
+ 1. **[ํ์ฐ]** ๋ชจ๋: ํ์ฐ ํญ๋ฐ๋ก ๋๊ธฐ ์ค $SO_2, CO_2$ ๋๋ ์ฆ๊ฐ.
+ 2. **[ํ๊ฒฝ]** ์์ง: ๋น๋ฌผ์ $pH$ ๋๋ ํ๋ฝ (์ฐ์ฑ๋น).
+ 3. **[์นด๋ฅด์คํธ]** ๋ชจ๋ ํธ๋ฆฌ๊ฑฐ: ๊ธฐ๋ฐ์์ด ์ํ์์ธ ์ง์ญ์ ์ฉ์ ์๋($Rate_{dissolution}$) 2๋ฐฐ ๊ฐ์ $\rightarrow$ ๊ฑฐ๋ ๋๊ตด ์์ฑ.
+
+### ๐ Chain D. [๋นํ] $\leftrightarrow$ [ํด์]: ํผ์ค๋ฅด์ ํ์ (Fjord Formation)
+* **Logic:** ๋นํ๊ฐ ๊น์๋ธ U์๊ณก์ ๋ฐ๋ท๋ฌผ์ด ๋ค์ด์ฐจ ๊น๊ณ ์ข์ ๋ง์ ํ์ฑ.
+* **Process:**
+ 1. **[๋นํ]** ๋ชจ๋: ๋นํ๊ธฐ์ ํด์๊น์ง ๋๋ฌํ๋ ๊ฑฐ๋ ๋นํ๊ฐ U์๊ณก์ ๊น๊ฒ ์นจ์.
+ 2. **[๊ธฐํ]** ์์ง: ๊ฐ๋น๊ธฐ ๋๋๋ก ํด์๋ฉด ์์น($H_{sea} \uparrow$).
+ 3. **[ํด์]** ๋ชจ๋ ํธ๋ฆฌ๊ฑฐ: ๋ฐ๋ท๋ฌผ์ด U์๊ณก์ผ๋ก ์นจํฌ $\rightarrow$ ํผ์ค๋ฅด(Fjord) ํ์ฑ.
+
+### ๐ Chain E. [ํ์ฐ] $\leftrightarrow$ [ํด์]: ํ๋ฌด์ ํด์ (Volcanic Coast)
+* **Logic:** ์ฉ์์ด ๋ฐ๋ค์ ๋ฟ์ผ๋ฉฐ ๊ธ๊ฒฉํ ๋๊ฐ๋์ด ๋
ํนํ ํด์ ์งํ ํ์ฑ.
+* **Process:**
+ 1. **[ํ์ฐ]** ๋ชจ๋: ํด์ ์ธ๊ทผ์์ ํ๋ฌด์์ง ์ฉ์ ๋ถ์ถ.
+ 2. **[๋๊ฐ]** ์์ง: ๋ฐ๋ท๋ฌผ๊ณผ ์ ์ดํ๋ฉฐ ๊ธ๋ญ $\rightarrow$ ์ฃผ์์ ๋ฆฌ ํ์ฑ.
+ 3. **[ํด์]** ๋ชจ๋ ํธ๋ฆฌ๊ฑฐ: ์ฃผ์์ ๋ฆฌ ํด์ ์ ๋ฒฝ ์์ฑ (์: ์ ์ฃผ ์ค๋ฌธ ๋ํฌํด์).
+
+### ๐ Chain F. [ํ์ฒ] $\leftrightarrow$ [ํด์]: ์ผ๊ฐ์ฃผ vs ์ผ๊ฐ๊ฐ (Delta vs Estuary)
+* **Logic:** ํ๊ตฌ์์ ํ์ฒ ์๋์ง์ ํด์ ์๋์ง์ ์๋์ ํฌ๊ธฐ์ ๋ฐ๋ผ ํด์ ๋๋ ์นจ์ ๋ฐ์.
+* **Process:**
+ 1. **[ํ์ฒ]** ๋ชจ๋: ํ๊ตฌ์ ํด์ ๋ฌผ ๊ณต๊ธ (Sediment Load).
+ 2. **[ํด์]** ์์ง: ํ๋/์กฐ๋ฅ์ ํด์ ๋ฌผ ์ฌ๋ถ๋ฐฐ ๋ฅ๋ ฅ ๊ณ์ฐ.
+ 3. **๊ฒฐ๊ณผ:** ํ์ฒ ์ฐ์ธ โ ์ผ๊ฐ์ฃผ(Delta), ์กฐ๋ฅ ์ฐ์ธ โ ์ผ๊ฐ๊ฐ(Estuary).
+
+---
+
+## 3. ์บ ํ์ธ ์๋๋ฆฌ์ค (Campaign Mode Missions)
+
+ํ์๋ค์ด ์งํ ํ์ฑ ์๋ฆฌ๋ฅผ ๊ฒ์์ฒ๋ผ ์ตํ ์ ์๋ ๋ฏธ์
๋ชฉ๋ก.
+
+| ์๋๋ฆฌ์ค (Title) | ๋ชฉํ (Mission Objective) | ํ์ ๋ชจ๋ ์กฐํฉ | ๋์ด๋ |
+| :--- | :--- | :--- | :--- |
+| **๋ถ๊ณผ ์ผ์์ ๋
ธ๋** | ํ์ฐ ํญ๋ฐ๋ก ์๊ธด ์ฐ ์ ์์ ๋ง๋
์ค๊ณผ ๋นํ๋ฅผ ํ์ฑํ๋ผ. (์์ด์ฌ๋๋, ํฌ๋ฆฌ๋ง์๋ก ํ) | **ํ์ฐ + ๋นํ** | โญโญโญ |
+| **์ฌ๋ง์ ๊ธฐ์ ** | ๊ฑด์กฐํ ์ฌ๋ง์ ์ธ๋ ํ์ฒ์ ํ๋ฅด๊ฒ ํ์ฌ ํ๊ตฌ์ ๊ฑฐ๋ ์ผ๊ฐ์ฃผ๋ฅผ ๊ฑด์คํ๋ผ. (์ด์งํธ ๋์ผ๊ฐ ํ) | **๊ฑด์กฐ + ํ์ผ** | โญโญโญโญ |
+| **์๊ฐ์ ๋๊ตด** | ์ต๊ธฐ๋ ์ฐ์ง๋ฅผ ์นจ์์์ผ ์งํ์๋ฉด์ ๋ฎ์ถ๊ณ , ์ํ๋๊ตด์ ์ก์์ ๋
ธ์ถ์์ผ๋ผ. (๋จ์ ๊ณ ์๋๊ตด ํ) | **์ฐ์ง + ์นด๋ฅด์คํธ** | โญโญ |
+| **๋ํ์ (The Flood)** | ๋นํ๊ธฐ๋ฅผ ๋๋ด๊ณ ํด์๋ฉด์ 100m ์์น์์ผ, U์๊ณก์ ํผ์ค๋ฅด๋ก, ํ๊ตฌ๋ฅผ ์ํธ๋ก ๋ง๋ค์ด๋ผ. | **๋นํ + ํ์ผ + ํด์** | โญโญโญโญโญ |
+
+---
+
+## 4. UI/UX: ๋ง์คํฐ ๋์๋ณด๋ (Master Dashboard Design)
+
+### ๐ฅ๏ธ Viewport Layout
+1. **Main Globe (Center):** 3D ์ง๊ตฌ๋ณธ ๋ทฐ. ํ ์คํฌ๋กค๋ก ์ฐ์ฃผ(์์ฑ ์ฌ์ง)์์ ์งํ(๋จ๋ฉด๋)๊น์ง ์ฌ๋ฆฌ์ค ์ค์ธ/์์.
+2. **Control Deck (Bottom):** ํ์๋ผ์ธ ์ฌ๋ผ์ด๋. (๊ณ ์๋ $\leftrightarrow$ ํ์ธ). ์๊ฐ์ ๋๋ฆฌ๋ฉฐ ์งํ ๋ณํ ๊ด์ฐฐ.
+3. **Mini-Map (Right-Top):** ํ์ฌ ์งํ์ ํ์ฑ ์๋ฆฌ(์์ฉ)๋ฅผ ์์ด์ฝ์ผ๋ก ํ์ (๐์ ์, ๐ฌ๏ธ๋ฐ๋, ๐๋ง๊ทธ๋ง, โ๏ธ๋นํ).
+
+### ๐ Data Visualization
+* **Cross-Section Overlay:** ์งํ๋ฉด ์๋ ์ง์ง ๊ตฌ์กฐ(์ต๊ณก, ๋จ์ธต, ์งํ์, ๋ง๊ทธ๋ง ๋ฐฉ)๋ฅผ ์์ค๋ ์ด์ฒ๋ผ ํฌ์.
+* **Eco-System Status:** ํ์ฌ ์งํ์ ์ ํฉํ ๋์
(๋ฒผ๋์ฌ vs ๋ฐญ๋์ฌ vs ๋ชฉ์ถ) ๋ฐ ๊ฑฐ์ฃผ ์ ํฉ๋ ์ ์ ํ์.
+
+---
+
+## 5. ๋ฐ์ดํฐ ํต์ ๊ท๊ฒฉ (JSON Data Structure)
+
+ํตํฉ ์์ง์ด ์ฒ๋ฆฌํ ์ต์ข
์๋ ์ํ ๋ฐ์ดํฐ ์์.
+
+```json
+{
+ "World_State": {
+ "Timestamp": "Epoch_Holocene_Early",
+ "Global_Temp": 14.5,
+ "Sea_Level_Base": 0
+ },
+ "Active_Regions": [
+ {
+ "Region_ID": "NE_Asia",
+ "Base_Rock": "Granite",
+ "Landforms": [
+ {"Type": "Mountain", "Age": "Old", "Feature": "Erosion_Dome"},
+ {"Type": "Plain", "Feature": "Alluvial_Fan", "Source": "Mountain_Runoff"}
+ ],
+ "Climate_Effect": "Monsoon"
+ },
+ {
+ "Region_ID": "Pacific_Rim",
+ "Base_Rock": "Basalt",
+ "Landforms": [
+ {"Type": "Volcano", "Shape": "Shield", "Status": "Active"}
+ ],
+ "Tectonic_Activity": "High"
+ }
+ ]
+}
\ No newline at end of file
diff --git a/01_River_Landforms_Spec.md b/01_River_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..74400e7a5aa042ec2650d9d87bddf66e4c204688
--- /dev/null
+++ b/01_River_Landforms_Spec.md
@@ -0,0 +1,70 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Fluvial Landforms (ํ์ฒ ์งํ)
+**Target:** High School Geography ~ Undergraduate Geomorphology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Schematic Education)
+* **Tone:** Clean, Minimalist, Textbook-style 3D. (๊ตฐ๋๋๊ธฐ ์๋ ๊น๋ํ ๊ต๊ณผ์ ์ฝํ ์คํ์ผ)
+* **Color Palette:**
+ * *Water:* ๋ฐํฌ๋ช
ํ ๋ฐ์ ํ๋ (๋ด๋ถ ์ ์ ํ๋ฆ ๊ฐ์ํ).
+ * *Sediment:* ์
์ ํฌ๊ธฐ๋ณ ์์ ๊ตฌ๋ถ (์๊ฐ=ํ์, ๋ชจ๋=๋
ธ๋, ์ ํ =๊ฐ์).
+ * *Bedrock:* ์ธต๋ฆฌ(Layer)๊ฐ ๋ช
ํํ ๋ณด์ด๋ ๋จ๋ฉด ํ
์ค์ฒ.
+* **Key Feature:** ๋ชจ๋ ์งํ์ '์ผ์ดํฌ ์๋ฅด๋ฏ' ๋จ๋ฉด์ ๋ณด์ฌ์ฃผ๋ **Cutaway View**๊ฐ ๊ธฐ๋ณธ ์ง์๋์ด์ผ ํจ.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Backend:** Python 3.9+ (Libraries: `NumPy`, `SciPy`, `Taichi` for Physics).
+* **Frontend:** WebGL via `Three.js` or `PyVista`.
+* **App Framework:** `Streamlit` (Web-based Interface).
+
+---
+
+## 1. ํ์ฒ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ Chapter 1. ์๋ฅ (Upper Course): ํ๊ดด์ ๊ฐ์ฒ
+**ํต์ฌ ๋ก์ง:** ํ๋ฐฉ ์นจ์(Vertical Erosion), ๋๋ถ ์นจ์(Headward Erosion), ์ฌ๋ฉด ๋ถ๊ดด.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **V์๊ณก** | ์นจ์๋ ฅ($E$), ์์ ๊ฐ๋($K$), ๊ฒฝ์ฌ($S$) | ๋ฐ๋ฅ ํ๋ฐฉ ์นจ์ ํ **์์ ์ฌ๋ฉด์ด ๋ถ๊ดด(Mass Wasting)**๋์ด V์๊ฐ ์์ฑ๋๋ ๊ณผ์ ๊ฐ์กฐ. | $E = K \cdot A^m \cdot S^n$ (Stream Power Law) |
+| **ํญํฌ & ํ๊ณก** | ์ ๋($Q$), ๋์ฐจ ๋์ด($h$) | ํ๋จ๋ถ ๊ตด์ฐฉ(Undercutting) โ ์๋จ ๋ถ๊ดด โ ํญํฌ๊ฐ ๋ค๋ก ๋ฌผ๋ฌ๋๋ฉฐ **ํ๊ณก(Gorge)** ํ์ฑ. | Crosby's Knickpoint Retreat Model |
+| **ํ์ฒ ์ํ** | ์นจ์ ์๋ ์ฐจ์ด($\Delta E$), ๊ฑฐ๋ฆฌ | ํ์ชฝ ๊ฐ์ด ๋๋ถ ์นจ์์ผ๋ก ๋ค๋ฅธ ๊ฐ์ ์๊ตฌ๋ฆฌ๋ฅผ ํฐํธ๋ ค ๋ฌผ์ ๋บ์ด์ค๊ณ , ๋บ๊ธด ๊ฐ์ด ๋ง๋ผ๊ฐ๋ ๊ณผ์ . | Stream Capture Ratio |
+| **๋๊ฐ๊ตฌ๋ฉ** | ์๋ฅ ๊ฐ๋(Vortex), ์๊ฐ ๊ฒฝ๋ | **[X-ray View]** ๊ฐ๋ฐ๋ฅ ํฌ์. ์๊ฐ์ด ์์ฉ๋์ด์น๋ฉฐ ์๋ฐ์ ๋๋ฆด์ฒ๋ผ ๋ซ๋ ๋ด๋ถ ๋ชจ์ต. | Abrasion Rate $\propto$ Kinetic Energy |
+| **๊ฐ์
๊ณก๋ฅ (์๋ฅํ)** | ์์ ์ ํญ์ฑ, ์ต๋จ ๊ฒฝ๋ก | ๋จ๋จํ ์๋ฐ์ ํผํด ๊ตฝ์ด์น๋ฉฐ ํ๋ฅด๋ ๋ฌผ๊ธธ๊ณผ ๊น์ง ๋ ๋ฅ์ (Interlocking Spurs). | - |
+
+### โฐ Chapter 2. ์ค๋ฅ (Middle Course): ์ด๋ฐ๊ณผ ๊ณก๋ฅ
+**ํต์ฌ ๋ก์ง:** ์ธก๋ฐฉ ์นจ์(Lateral Erosion), ๋ถ๊ธ(Sorting), ์ ์ ์ฐจ์ด์ ์ํ ํด์ .
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ ์์ง** | ์
์ ํฌ๊ธฐ($d$), ์ ์ ๊ฐ์์จ($-\Delta v$) | ์ ์ (์๊ฐ)-์ ์(๋ชจ๋)-์ ๋จ(์ ํ ) ๋ถ๊ธ ๋ฐ **๋ณต๋ฅ์ฒ(์งํ์ ํ๋ฆ)** ๋จ๋ฉด๋. | Stokes' Law (Settling Velocity) |
+| **๊ณก๋ฅ & ์ฐ๊ฐํธ** | ์์ฌ๋ ฅ($F_c$), ์ ๋ก ๊ตด๊ณก๋ | ๊ณต๊ฒฉ์ฌ๋ฉด(์ ๋ฒฝ) vs ํด์ ์ฌ๋ฉด(๋ฐฑ์ฌ์ฅ). ํ์ ์ ์ ๋ก ์ ๋จ(Cutoff) ๋ฐ ์ฐ๊ฐํธ ๊ณ ๋ฆฝ ์ ๋๋ฉ์ด์
. | Helical Flow Model |
+| **๊ฐ์
๊ณก๋ฅ (์ต๊ธฐํ)** | ์ต๊ธฐ ์๋($U$), ๊ธฐ์กด ๊ตด๊ณก๋ | **[Comparison Mode]** ์์ ๊ณก๋ฅ(์ ์ํ ๋จ๋ฉด) vs ๊ฐ์
๊ณก๋ฅ(๋ฐฅ๊ทธ๋ฆํ ๊น์ ๋จ๋ฉด) ๋น๊ต. | Incision Rate = Erosion - Uplift |
+| **ํ์๋จ๊ตฌ** | ์ง๋ฐ ์ต๊ธฐ($U$), ๊ธฐ์ ๋ฉด ๋ณ๋ | ์ต๊ธฐ ์ด๋ฒคํธ ๋ฐ์ ์ ๊ฐ๋ฐ๋ฅ์ด ๊น์ด์ง๋ฉฐ ๋ฒ๋์์ด ๊ณ๋จ ๋ชจ์ ์ธ๋(Terrace)์ผ๋ก ๋จ์. | - |
+| **๋ฒ๋์** | ํ์ ๋น๋, ๋ถ์ ํ์ค | ํ์ ์ ์ ๋ฐฉ(๋๊บผ์/๋ชจ๋)๊ณผ ๋ฐฐํ์ต์ง(์์/์ ํ )์ ๊ฑฐ๋ฆฌ๋ณ ํด์ ์ฐจ์ด. | Overbank Sedimentation |
+
+### โ Chapter 3. ํ๋ฅ (Lower Course): ๋ฐ๋ค์์ ๊ท ํ
+**ํต์ฌ ๋ก์ง:** ์ ์ ์๋ฉธ, ํ๋/์กฐ๋ฅ ์๋์ง ์ํธ์์ฉ.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ผ๊ฐ์ฃผ** | ๊ฐ ์๋์ง vs ํ๋ vs ์กฐ๋ฅ | **[Triangle Mixer UI]** 3๊ฐ์ง ํ ์กฐ์ โ ์กฐ์กฑ์(๋ฏธ์์ํผ) โ ์ํธ์(๋์ผ) ๋ชจ์ ๋ณํ. | Galloway's Classification |
+| **์ผ๊ฐ๊ฐ (Estuary)** | ์กฐ์ฐจ(Tidal Range), ์กฐ๋ฅ ์๋ | ๊ฐํ ์กฐ๋ฅ๊ฐ ํด์ ๋ฌผ์ ์ธ์ด๊ฐ๋ฉฐ ํ๊ตฌ๊ฐ ๋ํ ๋ชจ์์ผ๋ก ํ์ฅ๋๋ ๊ณผ์ . | Tidal Scour Equation |
+| **ํ์ค๋** | ์ ์ ์ฌ๊ฐ์ง๋, ์์ ๋ฐ๋ | ๊ฐํญ์ด ๋์ ๊ณณ์ ๋ชจ๋์ฌ ํ์ฑ ํ ์์์ด ์๋ผ๋ฉฐ ๊ณ ์ ๋๋ ๊ณผ์ . | Vegetation Stabilization |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ํ์ต ์ ์๋ ํ์ผ๋ช
๊ณผ ๋งค์นญ๋๋ ์ด๋ฏธ์ง๋ฅผ ํจ๊ป ์
๋ก๋ํ ๊ฒ.*
+
+1. `v_shaped_valley_diagram.jpg` (V์๊ณก ๋ฐ ์ฌ๋ฉด ๋ถ๊ดด ๋จ๋ฉด)
+2. `alluvial_fan_structure.jpg` (์ ์์ง ํ๋ฉด ๋ฐ ์งํ ๋จ๋ฉด)
+3. `meander_cross_section.jpg` (๊ณต๊ฒฉ์ฌ๋ฉด/ํด์ ์ฌ๋ฉด ๋น๋์นญ ๋จ๋ฉด)
+4. `river_terrace_formation.jpg` (ํ์๋จ๊ตฌ ํ์ฑ ๋จ๊ณ)
+5. `delta_classification.jpg` (์ผ๊ฐ์ฃผ 3๊ฐ์ง ์ ํ ๋น๊ต)
\ No newline at end of file
diff --git a/02_Coastal_Landforms_Spec.md b/02_Coastal_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..92bb02fb27209b3be93d51b2e1617b04e1c45623
--- /dev/null
+++ b/02_Coastal_Landforms_Spec.md
@@ -0,0 +1,65 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Coastal Landforms (ํด์ ์งํ)
+**Target:** High School Geography ~ Undergraduate Geomorphology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Schematic Education)
+* **Tone:** Clean, Minimalist, Textbook-style 3D.
+* **Color Palette:**
+ * *Sea:* ๊น์ด์ ๋ฐ๋ฅธ ํ๋์ ๊ทธ๋ผ๋ฐ์ด์
(์์ ๊ณณ=ํ๋์, ๊น์ ๊ณณ=๋จ์).
+ * *Sand:* ๋ฐ์ ๋ฒ ์ด์ง์ (์ด๋ ๊ฒฝ๋ก๊ฐ ์ ๋ณด์ฌ์ผ ํจ).
+ * *Rocks:* ์ง์ ํ์/๊ฐ์ (์ ๋ฒฝ์ ์ง๊ฐ ํํ).
+* **Key Feature:** ํ๋์ ๊ตด์ ๊ณผ ๋ชจ๋์ ์ด๋ ๊ฒฝ๋ก(Vector Arrow)๋ฅผ ์๊ฐ์ ์ผ๋ก ํ์.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Backend:** Python 3.9+ (Libraries: `NumPy`, `SciPy`, `Taichi`).
+* **Frontend:** WebGL via `Three.js` or `PyVista`.
+* **App Framework:** `Streamlit`.
+
+---
+
+## 1. ํด์ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ Chapter 1. ๊ณถ(Headland)๊ณผ ์นจ์: ํ๋์ ๊ณต๊ฒฉ
+**ํต์ฌ ๋ก์ง:** **ํ๋์ ๊ตด์ (Wave Refraction)**. ํ๋์ ์๋์ง๊ฐ ํ์ด๋์จ ๋
(๊ณถ)์ผ๋ก ์ง์ค๋จ.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **ํด์์ & ํ์๋** | ํ๋ ์๋์ง($P$), ์์ ๊ฒฝ๋ | ํ๋๊ฐ ์ ๋ฒฝ ๋ฐ์ ๋๋ ค(Notch) ์๋ถ๋ถ์ด ๋ฌด๋์ง๊ณ , ์ ๋ฒฝ์ด ํํดํ๋ฉฐ ํํํ ๋ฐ๋ฅ(ํ์๋) ๋
ธ์ถ. | Cliff Retreat Rate $\propto P$ ($P \propto H^2T$) |
+| **์์คํ & ์์น** | ์ฐจ๋ณ ์นจ์, ์๊ฐ($t$) | **[Evolution Time-lapse]** ํด์๋๊ตด โ ์์น(๊ตฌ๋ฉ) โ ์์คํ(๊ธฐ๋ฅ) โ ์์คํ
ํ(๋ฐ์) 4๋จ๊ณ ๋ณํ. | - |
+| **ํด์๋จ๊ตฌ** | ์ง๋ฐ ์ต๊ธฐ($U$), ํด์๋ฉด ๋ณ๋ | ํ์๋๊ฐ ์ต๊ธฐํ์ฌ ๊ณ๋จ ๋ชจ์์ ์ธ๋์ด ๋๋ ๊ณผ์ (๊ฐ์ ํ์๋จ๊ตฌ์ ๋น๊ต). | Uplift Event Trigger |
+
+### ๐๏ธ Chapter 2. ๋ง(Bay)๊ณผ ํด์ : ๋ชจ๋์ ์ฌํ
+**ํต์ฌ ๋ก์ง:** **์ฐ์๋ฅ (Longshore Drift)**. ํ๋๊ฐ ๋น์ค๋ฌํ ์น ๋ ๋ชจ๋๊ฐ ์ง๊ทธ์ฌ๊ทธ๋ก ์ด๋.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ฌ๋น (Beach)** | ํ๋ ์
์ฌ๊ฐ($\theta$), ์
์ ํฌ๊ธฐ | ๋ง(Bay) ์์ชฝ์ผ๋ก ์๋์ง๊ฐ ๋ถ์ฐ๋๋ฉฐ ๋ชจ๋๊ฐ ์์. ์ฌ๋ฆ(ํด์ ) vs ๊ฒจ์ธ(์นจ์) ํด๋ณ ๋น๊ต. | Sediment Transport (CERC Formula) |
+| **์ฌ๊ตฌ (Sand Dune)** | ํ์($V_{wind}$), ์์ ๋ฐ๋ | ์ฌ๋น์ ๋ชจ๋๊ฐ ๋ฐ๋์ ๋ ๋ ค ์ด๋. **[Windbreak Effect]** ์์ ์ค์น ์ ์ฌ๊ตฌ ์ฑ์ฅ ์๋ฎฌ๋ ์ด์
. | Aeolian Transport Rate |
+| **์ฌ์ทจ & ์ฌ์ฃผ** | ์ฐ์๋ฅ ์๋, ํด์์ ๊ตด๊ณก | ๋ชจ๋๊ฐ ๋ฐ๋ค ์ชฝ์ผ๋ก ๋ป์ด ๋๊ฐ๋ฉฐ(์ฌ์ทจ) ๋ง์ ์
๊ตฌ๋ฅผ ๋ง์๋ฒ๋ฆฌ๋(์ฌ์ฃผ) ๊ณผ์ . | - |
+| **์ํธ (Lagoon)** | ์ฌ์ฃผ ํ์ฑ ์ฌ๋ถ, ์ ์
์๋ | ์ฌ์ฃผ๊ฐ ๋ฐ๋ค๋ฅผ ๋ง์ ํธ์๊ฐ ๋๊ณ , ์๊ฐ์ด ์ง๋๋ฉฐ ํด์ ๋ฌผ๋ก ๋ฉ์์ ธ ๋ช์ด ๋๋ ์์ ์ฃผ๊ธฐ. | Water Balance Equation |
+
+### ๐ฆ Chapter 3. ์กฐ๋ฅ์ ๊ฐฏ๋ฒ: ๋ฌ์ ์ธ๋ ฅ
+**ํต์ฌ ๋ก์ง:** **์กฐ์ ์ฃผ๊ธฐ (Tidal Cycle)** & ๋ฏธ๋ฆฝ์ง ํด์ .
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **๊ฐฏ๋ฒ (Mudflat)** | ์กฐ์ฐจ(Tidal Range), ๋ฏธ๋ฆฝ์ง ๋น์จ | **[Tidal Simulation]** ๋ฐ๋ฌผ/์ฐ๋ฌผ ์์ ๋ณํ์ ๊ฐฏ๊ณจ(Tidal Channel)์ ํ๋ํ ๊ตฌ์กฐ ํ์ฑ. | Tidal Prism / Hydrodynamics |
+| **๊ฐ์ฒ ์ฌ์
** | ์ ๋ฐฉ ๊ฑด์ค, ์๊ฐ ๊ฒฝ๊ณผ | ๊ฐฏ๋ฒ์ ๋์ ์์ ํ(User Action), ํด์ ๋ฌผ์ด ๋ง๋ฅด๊ณ ์ก์งํ๋๋ฉฐ ์ผ๋ถ์ด ๋น ์ง๋ ๊ณผ์ . | Soil Desalination Model |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ํ์ต ์ ์๋ ํ์ผ๋ช
๊ณผ ๋งค์นญ๋๋ ์ด๋ฏธ์ง๋ฅผ ํจ๊ป ์
๋ก๋ํ ๊ฒ.*
+
+1. `sea_cliff_erosion.jpg` (ํด์์ , ํ์๋, ๋
ธ์น ๊ตฌ์กฐ ๋จ๋ฉด)
+2. `sea_stack_formation.jpg` (๋๊ตด-์์น-์์คํ ๋ณํ ๊ณผ์ )
+3. `sand_spit_bar_tombolo.jpg` (์ฌ์ทจ, ์ฌ์ฃผ, ์ํธ ์ง๋ํ ๊ทธ๋ฆผ)
+4. `tidal_flat_zonation.jpg` (๊ฐฏ๋ฒ ๋จ๋ฉด ๋ฐ ์กฐ์ ์์)
\ No newline at end of file
diff --git a/03_Karst_Landforms_Spec.md b/03_Karst_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..6bffd8065c34255ec7e9b5e489b0f985dcd9b9ae
--- /dev/null
+++ b/03_Karst_Landforms_Spec.md
@@ -0,0 +1,71 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Karst Landforms (์นด๋ฅด์คํธ ์งํ)
+**Target:** High School Geography ~ Undergraduate Geology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Subsurface & Texture)
+* **Tone:** Cross-sectional, Chemically Reactive, Hydrological.
+* **Color Palette:**
+ * *Limestone:* ๋ฐ์ ํ๋ฐฑ์ (๊ธฐ๋ฐ์).
+ * *Soil (Terra Rossa):* ๋ถ์ ๊ฐ์ (์ฐํ์ฒ ์ฑ๋ถ ๊ฐ์กฐ).
+ * *Water:* ํฌ๋ช
ํ ์ฒญ๋ก์ (์งํ์ ์์ฃผ).
+ * *Vegetation:* ์ง์ ๋
น์ (๋๋ฆฌ๋ค ๋ด๋ถ ์์).
+* **Key Feature:** ์งํ๋ฉด(Surface)๊ณผ ์งํ(Subsurface)๋ฅผ ๋์์ ๋ณด์ฌ์ฃผ๋ **์ด์ค ๋ ์ด์ด(Dual-Layer) ๋ทฐ** ์ง์. ์ฉ์ ๋ฐ์ ์ ๊ฑฐํ(Reaction Bubble) ์ดํํธ ์ ์ฉ.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Core Engine:** Chemical Weathering Simulator based on $pH$ & $Temperature$.
+* **Rendering:** Voxel-based Terrain (๋๊ตด ํ์ฑ์ ์ํ ๋ด๋ถ ๊ตด์ฐฉ ํํ).
+* **Physics:** Fluid Dynamics (์งํ์ ํ๋ฆ ๋ฐ ์นจํฌ).
+
+---
+
+## 1. ์นด๋ฅด์คํธ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ง Chapter 1. ์งํ ์นด๋ฅด์คํธ: ๋ฌผ์ด ์กฐ๊ฐํ ๋์ง
+**ํต์ฌ ๋ก์ง:** **ํ์ฐ์นผ์ ์ฉ์ ์์ฉ (Dissolution)**. ๋น๋ฌผ์ด ์ํ์์ ๋
น์ฌ ์งํ๋ฉด์ด ํจ๋ชฐ๋จ.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ฉ์ ๋ฉ์ปค๋์ฆ** | ๋น๋ฌผ ์ฐ๋($pH$), ํ์ฐ๊ฐ์ค ๋๋ | ๋น๋ฌผ์ด ๋ฟ๋ ์ฆ์ ์์ ํ๋ฉด์ด ๋
น์๋ด๋ฆฌ๋ **[Shader Effect]**. ํํ์ ์ค๋ฒ๋ ์ด. | $CaCO_3 + H_2O + CO_2 \leftrightarrow Ca(HCO_3)_2$ |
+| **๋๋ฆฌ๋ค (Doline)** | ์ ๋ฆฌ ๋ฐ๋, ์๊ฐ($t$) | ์งํ๋ฉด์ ๋น๋ฌผ์ด ๊ณ ์ด๋ค๊ฐ ๋ฐฐ์๊ตฌ์ฒ๋ผ ๋น ์ง๋ฉฐ ์ํ์ผ๋ก ์ํน ๊บผ์ง๋ ์ ๋๋ฉ์ด์
. | Sinkhole Radius $R(t)$ |
+| **์ฐ๋ฐ๋ผ & ํด๋ฆฌ์** | ๋๋ฆฌ๋ค ๊ฒฐํฉ ํ๋ฅ , ๊ธฐ๋ฐ์ ๊น์ด | ์ธ์ ํ ์ฌ๋ฌ ๊ฐ์ ๋๋ฆฌ๋ค๊ฐ ํฉ์ณ์ ธ ๊ฑฐ๋ ๋ถ์ง(์ฐ๋ฐ๋ผ)๊ฐ ๋๊ณ , ํํํ ๋คํ(ํด๋ฆฌ์)์ด ๋๋ ๊ณผ์ . | Merge Function $f(D_1, D_2)$ |
+| **ํ
๋ผ๋ก์ฌ (Terra Rossa)** | ๋ถ์ฉ์ฑ ์๋ฅ๋ฌผ ๋น์จ | ์ํ์์ด ๋
น๊ณ ๋จ์ ๋ถ์ ํ์ด ์งํ๋ฉด์ ๋ฎ๋ ํ
์ค์ฒ ๋งคํ ๋ณํ (White โ Red). | Residue Accumulation |
+
+### ๐ฆ Chapter 2. ์งํ ์นด๋ฅด์คํธ: ์ด๋ ์์ ์์
+**ํต์ฌ ๋ก์ง:** **์นจ์ ์์ฉ (Precipitation)**. ๋
น์๋ ์ํ์ง์ด ๋ค์ ๊ตณ์ด์ง.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ํ ๋๊ตด** | ์งํ์ ์ ๋, ์์ ๋ณํ | **[X-Ray Mode]** ์งํ์๋ฉด ์๋์์ ์ํ์์ด ๋
น์ ๋น ๊ณต๊ฐ(Cavity)์ด ํ์ฅ๋๋ ๊ณผ์ . | Cave Volume Expansion |
+| **์ข
์ ์ & ์์** | ๋์ ์๋($V_{drip}$), ์ฆ๋ฐ๋ฅ | ์ฒ์ฅ์์ ๋ฌผ๋ฐฉ์ธ์ด ๋จ์ด์ง๋ฉฐ ๊ณ ๋๋ฆ(์ข
์ ์)์ด ์๋ผ๊ณ , ๋ฐ๋ฅ์์ ์ฃฝ์(์์)์ด ์์์ค๋ฆ. | Growth Rate $\approx mm/year$ |
+| **์์ฃผ (Column)** | ์ฑ์ฅ ์๋, ๋๊ตด ๋์ด($H$) | ์(์ข
์ ์)์ ์๋(์์)๊ฐ ๋ง๋ ๊ธฐ๋ฅ์ผ๋ก ์ฐ๊ฒฐ๋๋ ์๊ฐ **[Highlight Effect]**. | Connection Event |
+
+### ๐๏ธ Chapter 3. ํ ์นด๋ฅด์คํธ: ์ด๋์ ๊ธฐ์๊ดด์ (Bonus)
+**ํต์ฌ ๋ก์ง:** **๊ณ ์จ ๋ค์ต & ์ฐจ๋ณ ์นจ์**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **ํ ์นด๋ฅด์คํธ** | ๊ฐ์๋($P_{high}$), ๊ธฐ์จ($T_{high}$) | ํ์ง์ ํ์ฒ๋ผ ์์ ๋ด์ฐ๋ฆฌ ํ์ฑ (๋ฒ ํธ๋จ ํ๋กฑ๋ฒ ์ด, ์ค๊ตญ ๊ตฌ์ด๋ฆฐ ์คํ์ผ). ์ธก๋ฉด ์นจ์ ๊ฐ์กฐ. | Tropical Erosion Rate |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ๋ชจ๋ธ ํ์ต ๋ฐ UI ๋ ๋๋ง ์ ๋งค์นญํ ๋ ํผ๋ฐ์ค ๋ฐ์ดํฐ.*
+
+1. `chemical_weathering_reaction.png` (ํ์ฐ์นผ์ ์ฉ์ ํํ์ ๋ฐ ๋ชจ์๋)
+2. `doline_uvala_polje_progression.jpg` (๋๋ฆฌ๋ค์์ ํด๋ฆฌ์๋ก ์ปค์ง๋ ๋จ๊ณ๋ณ ์ง๋)
+3. `cave_interior_structure.jpg` (์ข
์ ์, ์์, ์์ฃผ๊ฐ ์๋ ๋๊ตด ๋ด๋ถ ๋จ๋ฉด๋)
+4. `tower_karst_landscape.jpg` (ํ ์นด๋ฅด์คํธ์ ์งํ์ ํน์ง)
+
+---
+
+**[Director's Note]**
+์นด๋ฅด์คํธ ๋ชจ๋์ **'ํํ ๋ฐ์'**์ด ์งํ์ ์ด๋ป๊ฒ ๋ฐ๊พธ๋์ง ๋ณด์ฌ์ฃผ๋ ๊ฒ์ด ํต์ฌ์
๋๋ค. $CaCO_3$ ํํ์์ด ์๋ฎฌ๋ ์ด์
๋ด์์ ํธ๋ฆฌ๊ฑฐ๋ก ์๋ํ๋๋ก ๋ก์ง์ ์ ๊ฒํ์ญ์์ค.
+์น์ธํ์๋ฉด ๋ค์ **'ํ์ฐ ์งํ'**์ผ๋ก ๋์ด๊ฐ๊ฒ ์ต๋๋ค.
\ No newline at end of file
diff --git a/04_Volcanic_Landforms_Spec.md b/04_Volcanic_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..8d6ee8481ff05370cfcf60d1b0c1deb3fba8eb0b
--- /dev/null
+++ b/04_Volcanic_Landforms_Spec.md
@@ -0,0 +1,72 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Volcanic Landforms (ํ์ฐ ์งํ)
+**Target:** High School Geography ~ Undergraduate Volcanology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Magmatic & Explosive)
+* **Tone:** Dynamic, Thermal-coded, Catastrophic.
+* **Color Palette:**
+ * *Magma/Lava:* ์จ๋์ ๋ฐ๋ฅธ Black Body Radiation ์์ (White Hot โ Yellow โ Red โ Dark Crust).
+ * *Ash/Rock:* ํ๋ฌด์(๊ฒ์์) vs ์กฐ๋ฉด์/์์ฐ์(ํ๋ฐฑ์) ๊ตฌ๋ถ.
+ * *Terrain:* ๊ตณ์ ์ฉ์ ์ 1์ฐจ ์ฒ์ด ์์(์ด๋ผ, ๋ค๋ถ)์ ๋ฌ์ฑ๋ฌ์ฑํ ๋
น์.
+* **Key Feature:** ๋ง๊ทธ๋ง์ **$SiO_2$ ํจ๋(์ด์ฐํ๊ท์)**์ ๋ฐ๋ฅธ ์ ์ฑ ๋ณํ๋ฅผ ์ฌ๋ผ์ด๋(Slider)๋ก ์กฐ์ ํ๋ฉด ํ์ฐ์ ๋ชจ์์ด ์ค์๊ฐ์ผ๋ก ๋ณํ๋๋ **[Morphing Terrain]** ๊ตฌํ.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Physics Engine:** SPH (Smoothed-Particle Hydrodynamics) for Lava Flow Simulation.
+* **Rendering:** Volumetric Fog (ํ์ฐ์ฌ ๋ฐ ์ฐ๊ธฐ ํํ).
+* **Algorithm:** Cooling Crystallization Model (์ฉ์ ๋๊ฐ ์๋์ ๋ฐ๋ฅธ ์ ๋ฆฌ ํ์ฑ ๊ณ์ฐ).
+
+---
+
+## 1. ํ์ฐ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ Chapter 1. ๋ง๊ทธ๋ง์ ์ฑ๊ฒฉ: ์ ์ฑ(Viscosity)๊ณผ ํ์ฐ์ฒด
+**ํต์ฌ ๋ก์ง:** **$SiO_2$ ํจ๋ $\propto$ ์ ์ฑ $\propto$ ํ์ฐ ๊ฒฝ์ฌ๋**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์์ ํ์ฐ (Shield)** | ์ ์ฑ($\mu_{low}$), ์จ๋($T_{high}$), ์ ๋์ฑ(High) | ๊ฟ์ฒ๋ผ ๋ฌฝ์ ์ฉ์์ด ๋๊ฒ ํผ์ ธ๋๊ฐ๋ฉฐ ์๋งํ ๊ฒฝ์ฌ(๋ฐฉํจ ๋ชจ์) ํ์ฑ. (์: ํ์์ด, ์ ์ฃผ๋ ํ๋ผ์ฐ ์ฐ๋ก) | Slope Angle $\theta \approx 2^{\circ} \sim 10^{\circ}$ |
+| **์ข
์ ํ์ฐ (Lava Dome)** | ์ ์ฑ($\mu_{high}$), ์จ๋($T_{low}$), ์ ๋์ฑ(Low) | ์น์ฝ์ฒ๋ผ ๋ ์ฉ์์ด ๋ถํ๊ตฌ ์๋ก ์๊ตฌ์ณ ์ข
๋ชจ์ ํ์ฑ. (์: ์ ์ฃผ๋ ์ฐ๋ฐฉ์ฐ, ์ธ๋ฆ๋ ๋๋ฆฌ๋ถ์ง ๋ด ์๋ด) | Slope Angle $\theta > 30^{\circ}$ |
+| **์ฑ์ธต ํ์ฐ (Stratovolcano)** | ๋ถ์ถ ์ฃผ๊ธฐ, ํญ๋ฐ์ฑ | ์ฉ์ ๋ถ์ถ(Flow)๊ณผ ํ์ฐ์ฌ ํญ๋ฐ(Explosion)์ด ๊ต๋๋ก ์ผ์ด๋ ์ธต์ธต์ด ์์ธ ์๋ฟํ ๊ตฌ์กฐ. (์: ํ์ง์ฐ, ํ๋ฆฌํ ๋ง์) | Layering Index |
+| **์ฉ์ ๋์ง (Lava Plateau)** | ์ดํ ๋ถ์ถ(Fissure), $SiO_2$ < 52% | ์ง๊ฐ์ ํ์์ ๋ฌฝ์ ์ฉ์์ด ๋๋์ผ๋ก ํ๋ฌ๋์ ๊ธฐ์กด ๊ณ๊ณก์ ๋ฉ์ฐ๊ณ ํํ๋ฉด ํ์ฑ. (์: ์ฒ ์, ๊ฐ๋ง๊ณ ์) | Area Coverage Rate |
+
+### ๐ฅ Chapter 2. ๋ถํ๊ตฌ์ ๋ณํ: ํจ๋ชฐ๊ณผ ํ์ฅ
+**ํต์ฌ ๋ก์ง:** **์ง๋ ๊ฒฐ์(Mass Deficit)์ ์ํ ๋ถ๊ดด**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **ํ๊ตฌ (Crater)** | ํญ๋ฐ ์๋์ง($E_{exp}$) | ๋ง๊ทธ๋ง๊ฐ ๋ถ์ถ๋ ๋จ์ํ ๊ตฌ๋ฉ. | Diameter $D < 1km$ |
+| **์นผ๋ฐ๋ผ (Caldera)** | ๋ง๊ทธ๋ง ๋ฐฉ ๊ณต๋ํ ๋น์จ, ์ง๋ฐ ํ์ค | **[Collapse Event]** ๋ํญ๋ฐ ํ ์งํ ๋ง๊ทธ๋ง ๋ฐฉ์ด ๋น๋ฉด์ ์ฐ์ ๋ถ๊ฐ ์๋ฅด๋ฅด ๋ฌด๋์ ธ ๋ด๋ฆฌ๋ ์๋ค๋งํฑ ์ปท. ๋ฌผ์ด ์ฐจ๋ฉด ์นผ๋ฐ๋ผ ํธ. (์: ๋ฐฑ๋์ฐ ์ฒ์ง, ๋๋ฆฌ๋ถ์ง) | Collapse Volume $V_c$ |
+| **์ด์ค ํ์ฐ** | 1์ฐจ ๋ถ์ถ ํ ํด์ง๊ธฐ, 2์ฐจ ๋ถ์ถ | ์นผ๋ฐ๋ผ(ํฐ ๊ทธ๋ฆ) ์์ ์๋ก์ด ํ์ฐ(์์ ์ปต)์ด ์๊ธฐ๋ ๊ตฌ์กฐ. (์: ์ธ๋ฆ๋ ์ฑ์ธ๋ด-๋๋ฆฌ๋ถ์ง-์๋ด) | Nested Structure |
+
+### โ๏ธ Chapter 3. ๋๊ฐ์ ๊ธฐํํ: 1์ฐจ ์งํ
+**ํต์ฌ ๋ก์ง:** **์์ถ(Contraction)๊ณผ ๊ท ์ด**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ฃผ์์ ๋ฆฌ (Columnar Jointing)** | ๋๊ฐ ์๋($dT/dt$), ์์ถ ์ค์ฌ์ | ์ฉ์์ด ๊ธ๊ฒฉํ ์์ผ๋ฉฐ ๋ถํผ๊ฐ ์ค์ด๋ค ๋ ํ์ฑ๋๋ **์ก๊ฐํ(Hexagonal) ๊ธฐ๋ฅ** ํจํด ์์ฑ ์๊ณ ๋ฆฌ์ฆ. | Fracture Spacing $S \propto (dT/dt)^{-1/2}$ |
+| **์ฉ์ ๋๊ตด (Lava Tube)** | ํ๋ฉด ๋๊ฐ์จ vs ๋ด๋ถ ์ ์ | ์ฉ์์ ๊ฒ๋ถ๋ถ์ ๊ตณ๊ณ (์ง๋ถ), ์์ ๊ณ์ ํ๋ฌ(ํฐ๋) ๋น ์ ธ๋๊ฐ ๋ค ๋จ์ ๋น ๊ณต๊ฐ. | Tube Formation Logic |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ๋ชจ๋ธ ํ์ต ๋ฐ UI ๋ ๋๋ง ์ ๋งค์นญํ ๋ ํผ๋ฐ์ค ๋ฐ์ดํฐ.*
+
+1. `volcano_shape_viscosity.png` (์์ vs ์ฑ์ธต vs ์ข
์ ํ์ฐ์ ๋จ๋ฉด ๋น๊ต๋)
+2. `caldera_formation_steps.gif` (๋ง๊ทธ๋ง ๋ฐฉ ๋น์ โ ๋ถ๊ดด โ ํธ์ ํ์ฑ 3๋จ๊ณ)
+3. `columnar_jointing_hex.jpg` (์ฃผ์์ ๋ฆฌ์ ์ก๊ฐํ ๋จ๋ฉด ๋ฐ ์ธก๋ฉด ๊ธฐ๋ฅ ๊ตฌ์กฐ)
+4. `korea_volcanic_map.png` (๋ฐฑ๋์ฐ, ์ ์ฃผ๋, ์ธ๋ฆ๋, ์ฒ ์ ์ฉ์๋์ง ์์น ์ง๋)
+
+---
+
+**[Director's Note]**
+ํ์ฐ ๋ชจ๋์ **'์ ์ฑ($\mu$)'** ๋ณ์ ํ๋๊ฐ ์งํ์ ๋ชจ์(์์/์ข
์)์ ๊ฒฐ์ ์ง๋๋ค๋ ์ธ๊ณผ๊ด๊ณ๋ฅผ ๋ช
ํํ ๋ณด์ฌ์ค์ผ ํฉ๋๋ค. ํนํ ํ๊ตญ ์ง๋ฆฌ ์ํ์์ ํ๊ฒ์ผ๋ก ํ๋ค๋ฉด **์ฒ ์ ์ฉ์๋์ง**์ **์ ์ฃผ๋**์ ํ์ฑ ๊ณผ์ ์ฐจ์ด๋ฅผ ์๋ฎฌ๋ ์ด์
์ผ๋ก ๋น๊ตํ๋ ๊ธฐ๋ฅ์ ๋ฐ๋์ ํฌํจํ์ญ์์ค.
+
+์น์ธํ์๋ฉด ๋ค์์ ๊ฐ์ฅ ๋ค์ด๋ด๋ฏนํ **'๋นํ ์งํ'**์ผ๋ก ์ด๋ํ๊ฒ ์ต๋๋ค.
\ No newline at end of file
diff --git a/05_Glacial_Landforms_Spec.md b/05_Glacial_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..2fa1446b2f6168928cbf1ea5db002edc7c82c385
--- /dev/null
+++ b/05_Glacial_Landforms_Spec.md
@@ -0,0 +1,73 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Glacial Landforms (๋นํ ์งํ)
+**Target:** High School Geography ~ Undergraduate Glaciology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Cryosphere)
+* **Tone:** Majestic, Cold, High-Contrast.
+* **Color Palette:**
+ * *Ice:* ๋ฐํฌ๋ช
ํ ์์ด์ค ๋ธ๋ฃจ(Ice Blue) ~ ์์ถ๋ ์ง์ ํ๋ (Deep Azure).
+ * *Bedrock:* ๊น์ฌ ๋๊ฐ ๊ฑฐ์น ํ์ ํ๊ฐ์ ์ง๊ฐ (Exposed Granite).
+ * *Water (Fjord):* ๊น๊ณ ์ด๋์ด ๋จ์ (Deep Navy).
+* **Key Feature:** ๋นํ๊ฐ ํ๋ฅผ ๋ ๋ฐ๋ฅ์ ๊ธ์ด๋ด๋(Scouring) ํจ๊ณผ์ ๋
น์ ๋ ํ๋๋ฏธ๋ฅผ ์์๋๋(Dumping) ํจ๊ณผ๋ฅผ ๋ฌผ๋ฆฌ ์์ง์ผ๋ก ๊ตฌํ. **"๋ถ๊ธ(Sorting) ์์"** ์๊ฐํ ํ์.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Physics Engine:** Non-Newtonian Fluid Dynamics (๋น๋ดํด ์ ์ฒด ์ญํ - ์ผ์์ ๋๋ฆฐ ํ๋ฆ ๊ตฌํ).
+* **Rendering:** Subsurface Scattering (์ผ์ ๋ด๋ถ์ ๋น ํฌ๊ณผ ํจ๊ณผ).
+* **Algorithm:** Voxel Carving (๋นํ ์ด๋ ๊ฒฝ๋ก์ ๋ฐ๋ฅธ ์งํ ๊น๊ธฐ).
+
+---
+
+## 1. ๋นํ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ง Chapter 1. ๋นํ ์นจ์: ๊ฑฐ๋ํ ๋ถ๋์ (Erosion)
+**ํต์ฌ ๋ก์ง:** **U์ํ ์นจ์ (U-shaped Profile)** & ๊ตด์ ์์ฉ(Plucking).
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **U์๊ณก (U-shaped Valley)** | ๋นํ ๋๊ป($H_{ice}$), ๋ง์ฐฐ๋ ฅ | ์ข๊ณ ๊น์ V์๊ณก(ํ์ฒ)์ด ๊ฑฐ๋ํ ๋นํ์ ์ํด ๋๊ณ ๋ฅ๊ทผ U์ ํํ๋ก ๊น์ฌ๋๊ฐ๋ **[Cross-section Transition]**. | Erosion Rate $E \propto U_{sliding}^2$ |
+| **๊ถ๊ณก (Cirque)** | ์ค์ ๊ณ ๋(ELA), ๊ตด์ ๊ฐ๋ | ์ฐ ์ ์๋ถ ์ค๋ชฉํ ๊ณณ์ ๋์ด ์์ฌ ์ผ์์ด ๋๊ณ , ์์์ ๋ฏ์ด๋ด๋ฉฐ(Plucking) ๋ฐ์ํ ์์ ๋ชจ์์ ๋ง๋๋ ๊ณผ์ . | - |
+| **ํธ๋ฅธ (Horn)** | ๊ถ๊ณก์ ๊ฐ์($N \ge 3$) | 3๊ฐ ์ด์์ ๊ถ๊ณก์ด ๋ค๋ก ํํดํ๋ฉฐ ์ ์์ ๊น์ ๋ง๋ค์ด์ง ํผ๋ผ๋ฏธ๋ํ ๋พฐ์กฑ ๋ด์ฐ๋ฆฌ (์: ๋งํฐํธ๋ฅธ). | Peak Sharpness Index |
+| **ํผ์ค๋ฅด (Fjord)** | ํด์๋ฉด ์์น($\Delta SeaLevel$), ์นจ์ ๊น์ด | ๋น๊ธฐ๊ฐ ๋๋๊ณ ํด์๋ฉด์ด ์์นํ์ฌ U์๊ณก์ ๋ฐ๋ท๋ฌผ์ด ๋ค์ด์ฐจ๋ **[Flooding Animation]**. ๋ด๋ฅ ๊น์์ด ์ข๊ณ ๊ธด ๋ฐ๋ค ํ์ฑ. | Depth Profile $D(x)$ |
+| **ํ๊ณก (Hanging Valley)** | ๋ณธ๋ฅ ๋นํ vs ์ง๋ฅ ๋นํ ๊น์ด ์ฐจ์ด | ๋ณธ๋ฅ๊ฐ ๊น๊ฒ ๊น๊ณ ์ง๋๊ฐ ๋ค, ์์ ์ง๋ฅ ๊ณจ์ง๊ธฐ๊ฐ ์ ๋ฒฝ ์์ ๊ฑธ๋ ค ํญํฌ๊ฐ ๋๋ ์งํ. | Drop Height $H_{drop}$ |
+
+### ๐ชจ Chapter 2. ๋นํ ํด์ : ๋ฌด์ง์์ ๋ฏธํ (Deposition)
+**ํต์ฌ ๋ก์ง:** **๋ถ๊ธ ๋ถ๋ (Poor Sorting)**. ํฌ๊ณ ์์ ์๊ฐ๊ณผ ํ์ด ๋ค์์.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **๋นํด์ (Moraine)** | ๋นํ ํํด ์๋, ํด์ ๋ | ๋นํ๊ฐ ๋
น๋ ๋๋ถ๋ถ(Terminus)์์ ์ปจ๋ฒ ์ด์ด ๋ฒจํธ์ฒ๋ผ ์์ ๋ถ์ค๋ฌ๊ธฐ๋ฅผ ์์๋์ ์ธ๋์ ๋ง๋๋ ๊ณผ์ . | Sediment Flux $Q_s$ |
+| **๋๋ผ๋ฆฐ (Drumlin)** | ๋นํ ์ด๋ ๋ฐฉํฅ, ๊ธฐ์ ํ์ค | ์๊ฐ๋ฝ์ ์์ด๋์ ๋ฏํ ์ ์ ํ ์ธ๋. **[Direction Indicator]** ์๋งํ ์ชฝ์ด ๋นํ๊ฐ ํ๋ฌ๊ฐ ๋ฐฉํฅ์์ ํ์ดํ๋ก ํ์. | Shape Factor (Elongation) |
+| **์์ค์ปค (Esker)** | ์ต๋น์ ์ ๋($Q_{water}$), ํฐ๋ ํฌ๊ธฐ | ๋นํ ๋ฐ์ ํ๋ฅด๋ ๋ฌผ(์ต๋น์) ํฐ๋์ ํด์ ๋ฌผ์ด ์์ฌ, ๋นํ๊ฐ ๋
น์ ๋ค ๊ตฌ๋ถ๊ตฌ๋ถํ ์ ๋ฐฉ ๋ชจ์์ด ๋๋ฌ๋จ. | Sinuosity Index |
+
+### โ๏ธ Chapter 3. ์ฃผ๋นํ ์งํ: ์ผ์๋ค ๋
น์๋ค (Periglacial - Bonus)
+**ํต์ฌ ๋ก์ง:** **๋๊ฒฐ ์ตํด (Freeze-Thaw Cycle)**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **๊ตฌ์กฐํ (Patterned Ground)** | ํ ์ ์
์ ํฌ๊ธฐ, ๋๊ฒฐ ํ์ | ์๊ฐ๋ค์ด ์ผ์์ ์๊ธฐ ์์ฉ์ผ๋ก ๋ฐ๋ ค๋์ ๋ค๊ฐํ(Polygon) ๋ฌด๋ฌ๋ฅผ ๋ง๋๋ **[Time-lapse]**. | Convection Cell Model |
+| **์๋ฆฌํ๋ญ์
(Solifluction)** | ๊ฒฝ์ฌ๋, ํ๋์ธต ์ตํด | ์๊ตฌ๋ํ ์ธต ์ ๋
น์ ํ์ด ํ๋ฌ๋ด๋ฆฌ๋ ํ์. | Creep Velocity |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ๋ชจ๋ธ ํ์ต ๋ฐ UI ๋ ๋๋ง ์ ๋งค์นญํ ๋ ํผ๋ฐ์ค ๋ฐ์ดํฐ.*
+
+1. `valley_transformation_V_to_U.gif` (V์๊ณก์์ U์๊ณก์ผ๋ก ๋ณํ๋๋ 3D ๋ชจ๋ธ)
+2. `fjord_cross_section.jpg` (๋ฐ๋ท๋ฌผ์ ์ ๊ธด U์๊ณก ๋จ๋ฉด๋)
+3. `glacial_till_unsorted.png` (๋นํด์์ ๋ค์์ธ ์๊ฐ ๋จ๋ฉด - ๋ถ๊ธ ๋ถ๋ ์์)
+4. `drumlin_ice_flow.jpg` (๋๋ผ๋ฆฐ์ ํํ์ ๋นํ ์ด๋ ๋ฐฉํฅ ๊ด๊ณ๋)
+
+---
+
+**[Director's Note]**
+๋นํ ์งํ์ ํฌ๋ฌ ๋ฌธํญ ํฌ์ธํธ๋ **"๊ฐ๋ฌผ(์ ์)์ ์ํ ํด์ (๋ถ๊ธ ์ํธ)"**๊ณผ **"๋นํ์ ์ํ ํด์ (๋ถ๊ธ ๋ถ๋)"**์ ๊ตฌ๋ถํ๋ ๊ฒ์
๋๋ค. ์๋ฎฌ๋ ์ด์
๋ด์์ ์
์ ํฌ๊ธฐ ํํฐ(Sorting Filter)๊ฐ ๋นํ ๋ชจ๋์์๋ ์๋ํ์ง ์๋ ๊ฒ์ ์๊ฐ์ ์ผ๋ก ๊ฐ์กฐํด์ฃผ์ธ์.
+
+์น์ธํ์๋ฉด ๋ค์์ ๊ฐ์ฅ ์ฒ๋ฐํ์ง๋ง ์๋ฆ๋ค์ด **'๊ฑด์กฐ ์งํ'**์ผ๋ก ๋์ด๊ฐ๊ฒ ์ต๋๋ค.
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diff --git a/06_Arid_Landforms_Spec.md b/06_Arid_Landforms_Spec.md
new file mode 100644
index 0000000000000000000000000000000000000000..fc31fbaec85e413e4957b7d65fde7e6463c6c1db
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+++ b/06_Arid_Landforms_Spec.md
@@ -0,0 +1,73 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Arid Landforms (๊ฑด์กฐ ์งํ)
+**Target:** High School Geography ~ Undergraduate Geomorphology
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Desert & Erosion)
+* **Tone:** High Contrast, Dusty, Heat-haze.
+* **Color Palette:**
+ * *Sand/Dust:* ์ค์ปค(Ochre), ๋ฒํธ ์์๋(Burnt Sienna) ๋ฑ ํฉํ ์ ๊ณ์ด.
+ * *Sky:* ์ง์ ์ฝ๋ฐํธ ๋ธ๋ฃจ(๊ฑด์กฐํด์ ๋๊ธฐ๊ฐ ๊นจ๋ํจ) ๋๋ ๋ชจ๋ํญํ ์ ๋ฟ์ฐ ํฉ์.
+ * *Salt Lake (Playa):* ๋๋ถ์ ํฐ์ (์๊ธ ๊ฒฐ์ ๋ฐ์ฌ).
+* **Key Feature:** ์งํ๋ฉด์ ์์ง๋์ด(Heat Haze) ํจ๊ณผ์ ๋ฐ๋์ ๋ฐฉํฅ์ ๋ณด์ฌ์ฃผ๋ **์
์ ํ๋ฆ(Particle Flow)** ์๊ฐํ.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Physics Engine:** Granular Physics (๋ชจ๋ ์
์ ๊ฐ ๋ง์ฐฐ ๋ฐ ์์๊ฐ ์๋ฎฌ๋ ์ด์
).
+* **Rendering:** PBR Materials (์์์ ๊ฑฐ์น ์ง๊ฐ vs ์๊ธ ์ฌ๋ง์ ๋งค๋๋ฌ์ด ์ง๊ฐ).
+* **Algorithm:** Cellular Automata (์ฌ๊ตฌ์ ์ด๋ ๋ฐ ์ฑ์ฅ ํจํด ๊ณ์ฐ).
+
+---
+
+## 1. ๊ฑด์กฐ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ช๏ธ Chapter 1. ๋ฐ๋์ ์กฐ๊ฐ: ์นจ์๊ณผ ํด์ (Aeolian Process)
+**ํต์ฌ ๋ก์ง:** **๋์ฝ ์ด๋(Saltation)**. ๋ฌด๊ฑฐ์ด ๋ชจ๋๋ ์ง๋ฉด ๊ฐ๊น์ด์ ํ๋ฉฐ ์ด๋ํ๋ค.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **๋ฒ์ฏ๋ฐ์ (Mushroom Rock)** | ๋ชจ๋ ๋น์ฐ ๋์ด($H_{max} \approx 1m$), ์์ ๊ฒฝ๋ | ๋ฐ๋์ ๋ ๋ฆฐ ๋ชจ๋์์ด ๋ฐ์์ **๋ฐ๋ถ๋ถ๋ง ์ง์ค ๊ณต๊ฒฉ**ํ์ฌ ๊น์๋ด๋ ๊ณผ์ . (์๋ถ๋ถ์ ์นจ์ ์ ๋จ). | Erosion Rate $E(z)$ |
+| **์ฌ๊ตฌ (Sand Dune)** | ํํฅ ๋ฒกํฐ($\vec{V}$), ๋ชจ๋ ๊ณต๊ธ๋ | **[Dune Morphing]** ํํฅ์ ๋ฐ๋ผ ๋ฐ๋ฅดํ(์ด์น๋ฌํ, ๋จ์ผํ) $\leftrightarrow$ ์ฑ์ฌ๊ตฌ(๊ธด ์นผํ, ์๋ฐฉํฅํ) ๋ณํ. | Bagnold Formula |
+| **์ผ๋ฆ์ (Ventifact)** | ์ฃผํํฅ์ ๊ฐ์ | ์๊ฐ์ด ๋ฐ๋์ ๋ฐ์ ๊น์ด๋ฉด์ 3๊ฐ์ ๋ฉด๊ณผ ๋ชจ์๋ฆฌ๊ฐ ์๊ธฐ๋ ๊ณผ์ . | Facet Formation |
+| **์ฌ๋ง ํฌ์ฅ (Desert Pavement)** | ์
์ ํฌ๊ธฐ๋ณ ๋ฌด๊ฒ | ๋ฐ๋์ด ๊ณ ์ด ๋ชจ๋๋ง ๋ ๋ ค ๋ณด๋ด๊ณ (Deflation), ๋ฌด๊ฑฐ์ด ์๊ฐ๋ง ๋ฐ๋ฅ์ ๋จ๋ **[Sorting Filter]** ํจ๊ณผ. | Threshold Friction Velocity |
+
+### ๐ง๏ธ Chapter 2. ๋ฌผ์ ์ญ์ค: ์ ์ ์งํ (Fluvial in Desert)
+**ํต์ฌ ๋ก์ง:** **ํฌ์ ํ์(Flash Flood)**. ์์์ด ์์ด ๋น๊ฐ ์ค๋ฉด ๋ฌผ์ด ๊ธ๊ฒฉํ ๋ถ์ด๋จ.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ ์์ง (Alluvial Fan)** | ๊ฒฝ์ฌ ๊ธ๋ณ์ , ์ ์ ๊ฐ์์จ | ์ฐ์ง์์ ํ์ง๋ก ๋์ฌ ๋ ์ ์์ด ๋๋ ค์ง๋ฉฐ ๋ถ์ฑ๊ผด๋ก ํด์ ๋ฌผ์ด ํผ์ง๋ ์๋ฎฌ๋ ์ด์
. (์ ์ -์ ์-์ ๋จ ๊ตฌ๋ถ). | Stream Power Law |
+| **๋ฐํ๋ค (Bajada)** | ์ ์์ง ๊ฒฐํฉ ์($N$) | ์ฌ๋ฌ ๊ฐ์ ์ ์์ง๊ฐ ์์ผ๋ก ํฉ์ณ์ ธ ์ฐ๊ธฐ์ญ์ ๊ฐ์ธ๋ ๋ณตํฉ ์ ์์ง ํ์ฑ. | Coalescence Factor |
+| **์๋ (Wadi)** | ๊ฐ์ ๋น๋, ์นจํฌ์จ | ํ์์ ๋ง๋ฅธ ๊ณจ์ง๊ธฐ(๊ตํต๋ก)์๋ค๊ฐ, ๋น๊ฐ ์ค๋ฉด ๊ธ๋ฅ๊ฐ ํ๋ฅด๋ ๊ฐ์ผ๋ก ๋ณํ๋ **[Event Trigger]**. | Infiltration Capacity |
+| **ํ๋ผ์ผ (Playa)** | ์ฆ๋ฐ๋ >> ๊ฐ์๋ | ๋ฌผ์ด ๊ณ ์๋ค๊ฐ ์ฆ๋ฐํ๊ณ **์๊ธ(Salt)**๋ง ํ์๊ฒ ๋จ๋ ์ผํธ์ ํ์ฑ ๊ณผ์ . | Evaporation Rate |
+
+### ๐งฑ Chapter 3. ๊ตฌ์กฐ ์งํ: ๊ฐํ ๋์ด ์ด์๋จ๋๋ค (Structural)
+**ํต์ฌ ๋ก์ง:** **์ฐจ๋ณ ์นจ์(Differential Erosion)** & ์ํ ์ง์ธต.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **๋ฉ์ฌ (Mesa)** | ์๋ถ ์์ ๊ฐ๋($S_{hard}$), ํ๋ถ($S_{soft}$) | ์๋ถ๋ถ์ ๋จ๋จํ ์์(Cap rock)์ด ๋๊ป์ฒ๋ผ ๋ณดํธํด์ค์ ์๊ธด ํ์ ๋ชจ์์ ์งํ. | Resistance Ratio |
+| **๋ทฐํธ (Butte)** | ์นจ์ ์งํ๋ฅ | ๋ฉ์ฌ๊ฐ ๊น์ฌ์ ์์์ง ํ ๋ชจ์์ ์งํ. (๋ฉ์ฌ $\rightarrow$ ๋ทฐํธ ํฌ๊ธฐ ๋น๊ต). | Width/Height Ratio |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ๋ชจ๋ธ ํ์ต ๋ฐ UI ๋ ๋๋ง ์ ๋งค์นญํ ๋ ํผ๋ฐ์ค ๋ฐ์ดํฐ.*
+
+1. `barchan_dune_wind_direction.jpg` (๋ฐ๋ฅดํ ์ฌ๊ตฌ์ ํํ์ ๋ฐ๋ ๋ฐฉํฅ ํ์ดํ)
+2. `alluvial_fan_structure.png` (์ ์์ง์ ์ ์ , ์ ์, ์ ๋จ ๋จ๋ฉด๋ ๋ฐ ์
์ ํฌ๊ธฐ ๋ถํฌ)
+3. `mesa_butte_evolution.jpg` (๊ณ ์ -> ๋ฉ์ฌ -> ๋ทฐํธ -> ์คํ์ด์ด ์นจ์ ๋จ๊ณ)
+4. `mushroom_rock_formation.gif` (๋ชจ๋๋ฐ๋์ ์ํ ํ๋จ๋ถ ์นจ์ ์ ๋๋ฉ์ด์
)
+
+---
+
+**[Director's Note]**
+๊ฑด์กฐ ์งํ์ **"๋ฐ๋"**์ด ๋ง๋ ๊ฒ ๊ฐ์ง๋ง, ์ค์ ๊ฑฐ๋ ์งํ์ **"์ผ์์ ์ธ ํญ์ฐ(๋ฌผ)"**๊ฐ ๋ง๋ค์๋ค๋ ์ค๊ฐ๋
์ ๋ฐ๋ก์ก๋ ๊ฒ์ด ๊ต์ก์ ๋ชฉํ์
๋๋ค. ์๋(Wadi) ์๋ฎฌ๋ ์ด์
์์ ๋น๊ฐ ์ฌ ๋ ๊ธ๊ฒฉํ ๋ฌผ์ด ์ฐจ์ค๋ฅด๋ ์๋๋ฅผ ๊ทน์ ์ผ๋ก ํํํด ์ฃผ์ญ์์ค.
+
+์น์ธํ์๋ฉด ๋ง์ง๋ง ๋๋จ์, ๊ฐ์ฅ ํ์จํ์ง๋ง ๊ฐ์ฅ ์ค์ํ **'ํ์ผ ์งํ'**์ผ๋ก ๋์ด๊ฐ๊ฒ ์ต๋๋ค.
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diff --git a/07_Plain_Landforms_Spec.md b/07_Plain_Landforms_Spec.md
new file mode 100644
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@@ -0,0 +1,79 @@
+# ๐ [Geo-Lab AI] ๊ฐ๋ฐ ๋ฐฑ์ (Development White Paper)
+
+**Project Name:** Geo-Lab AI
+**Version:** Final Release 1.0
+**Module:** Plain Landforms (ํ์ผ ์งํ)
+**Target:** High School Geography ~ Urban Planning Basics
+**Director:** [User Name]
+
+---
+
+## 0. ๊ฐ๋ฐ ํ์ค ๋ฐ ์ ์ฝ์ฌํญ (Standard Protocols)
+
+### ๐จ 1. ๋น์ฃผ์ผ ์คํ์ผ ๊ฐ์ด๋ (Visual Style: Fertile & Sedimentary)
+* **Tone:** Horizontal, Expansive, Saturation-coded (Soil Moisture).
+* **Color Palette:**
+ * *Levee (Dry):* ๋ฐ์ ํฉํ ์ (๋ฐฐ์๊ฐ ์ ๋จ โ ๋ฐญ, ์ทจ๋ฝ).
+ * *Backswamp (Wet):* ์ง์ ์งํ์ (๋ฐฐ์ ๋ถ๋ โ ๋
ผ, ์ต์ง).
+ * *River:* ํํ๋ฌผ(Turbid) ํํ (์๋ฅ์ ์ฒญ๋ช
ํจ๊ณผ ๋๋น).
+* **Key Feature:** **๋จ๋ฉด๋(Cross-section) ๋ทฐ**๋ฅผ ํตํด ์งํ๋ฉด์ ๋ฏธ์ธํ ๊ณ ๋ ์ฐจ์ด(์ ๋ฐฉ vs ์ต์ง)์ ํด์ ๋ฌผ์ ์
์ ํฌ๊ธฐ ๋ณํ๋ฅผ ์ง๊ด์ ์ผ๋ก ํํ.
+
+### ๐ ๏ธ 2. ๊ธฐ์ ์คํ (Tech Stack)
+* **Physics Engine:** Navier-Stokes Equations (์ ์ฒด ์ญํ - ํ์ฒ์ ๊ณก๋ฅ ๋ฐ ๋ฒ๋ ์๋ฎฌ๋ ์ด์
).
+* **Rendering:** Height Map Displacement (๋ฏธ์ธํ ๊ณ ๋ ์ฐจ์ด ํํ).
+* **Algorithm:** Sedimentation Sorting (์ ์ ๊ฐ์์ ๋ฐ๋ฅธ ์
์๋ณ ํด์ ์์น ๊ณ์ฐ).
+
+---
+
+## 1. ํ์ผ ์งํ ๋ชจ๋ ์ธ๋ถ ๋ช
์ธ (Module Specifications)
+
+### ๐ Chapter 1. ํ์ฒ ์คยทํ๋ฅ: ๊ณก๋ฅ์ ๋ฒ๋์ (Floodplains)
+**ํต์ฌ ๋ก์ง:** **์ธก๋ฐฉ ์นจ์(Lateral Erosion)** & ํ์ ์ ํด์ .
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์์ ๊ณก๋ฅ ํ์ฒ** | ํ์ฒ ๊ตด๊ณก๋(Sinuosity), ์ ์ ํธ์ฐจ | ๊ฐ๋ฌผ์ด ๋ฑ์ฒ๋ผ ํ์ด์ง๋ฉฐ ํ๋ฅด๋ ๋ชจ์ต. **[Velocity Map]** ๋ฐ๊นฅ์ชฝ์ ๋น ๋ฆ(์นจ์/๊ณต๊ฒฉ์ฌ๋ฉด), ์์ชฝ์ ๋๋ฆผ(ํด์ /ํฌ์ธํธ๋ฐ) ์์ ๊ตฌ๋ถ. | Centrifugal Force $F_c$ |
+| **์ฐ๊ฐํธ (Oxbow Lake)** | ๊ตด๊ณก๋ ์๊ณ๊ฐ, ์๊ฐ($t$) | ๊ตฝ์ด์น๋ ๊ฐ์ด ํ์ ๋ ์ง์ ์ผ๋ก ๋ซ๋ฆฌ๋ฉด์, ๋จ๊ฒจ์ง ๋ฌผ๊ธธ์ด ์๋ฟ ๋ชจ์ ํธ์๋ก ๊ณ ๋ฆฝ๋๋ **[Cut-off Animation]**. | Path Shortening |
+| **์์ฐ ์ ๋ฐฉ (Levee)** | ํ์ ์์, ์กฐ๋ฆฝ์ง(ํฐ ์
์) ๋น์จ | ํ์ ์ ๊ฐ ๋ฐ๋ก ์์ ๋ฌด๊ฑฐ์ด ๋ชจ๋/์๊ฐ์ด ๋จผ์ ์์ฌ ๋์ ํ์ฑ. ์ฃผ๋ณ๋ณด๋ค ์ฝ๊ฐ ๋์(High & Dry). | Settling Velocity (Stokes) |
+| **๋ฐฐํ ์ต์ง (Backswamp)** | ๋ฒ๋ ๊ฑฐ๋ฆฌ, ๋ฏธ๋ฆฝ์ง(์์ ์
์) ๋น์จ | ์์ฐ์ ๋ฐฉ ๋ค์ชฝ์ผ๋ก ๊ณ ์ด ์งํ์ด ๋์ด๊ฐ ์์ธ ๋ฎ๊ณ ์ถ์ถํ ๋
. (์์ฐ์ ๋ฐฉ๊ณผ ๋ฐฐ์ ์กฐ๊ฑด ๋น๊ต ํ์). | Permeability $k$ |
+
+### ๐ Chapter 2. ํ๊ตฌ: ๋ฐ๋ค์์ ๋ง๋จ, ์ผ๊ฐ์ฃผ (Deltas)
+**ํต์ฌ ๋ก์ง:** **์ ์ ์๋ฉธ(Velocity $\to$ 0)**. ๊ฐ๋ฌผ์ด ๋ฐ๋ค๋ฅผ ๋ง๋ ์ง์ ๋ด๋ ค๋์.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์ผ๊ฐ์ฃผ ํ์ฑ** | ํ์ฒ ํด์ ๋ > ์กฐ๋ฅ/ํ๋ ์ ๊ฑฐ๋ | ๊ฐ ํ๊ตฌ์์ ํด์ ๋ฌผ์ด ๋ถ์ฑ๊ผด๋ก ํผ์ ธ๋๊ฐ๋ ๊ณผ์ . (Topset, Foreset, Bottomset ์ธต๋ฆฌ ๊ตฌ์กฐ ๋จ๋ฉด). | Sediment Budget $\Delta S$ |
+| **์กฐ๋ฅ ์ผ๊ฐ์ฃผ** | ์กฐ์ฐจ(Tidal Range), ์ ์ | ๋ฐ๋ฌผ/์ฐ๋ฌผ์ด ๊ฐํด์ ํด์ ๋ฌผ์ด ๋ฐ๋ค ์ชฝ์ผ๋ก ๊ธธ๊ฒ ๋ป์ง ๋ชปํ๊ณ ์ฌ์ฒ๋ผ ํ์ฑ๋ ์ผ๊ฐ์ฃผ (์: ๋๋๊ฐ ํ๊ตฌ ์์๋). | Tidal Current Power |
+| **ํํ๋ณ ๋ถ๋ฅ** | ํ๋ ์๋์ง vs ํ์ฒ ์๋์ง | ์ํธ์(๋์ผ๊ฐ), ์กฐ์กฑ์(๋ฏธ์์ํผ๊ฐ-์๋ฐ๋ชจ์), ์ฒจ๊ฐ์(ํฐ๋ฒ ๋ฅด๊ฐ) ํํ ๋น๊ต ์๋ฎฌ๋ ์ด์
. | Energy Ratio |
+
+### โณ Chapter 3. ์นจ์ ํ์ผ: ๊น์ด๊ณ ๋จ์ ๋
(Erosion Plains)
+**ํต์ฌ ๋ก์ง:** **์ต์ข
๋จ๊ณ(Final Stage)**.
+
+| ์งํ (Feature) | ํต์ฌ ๋ณ์ (Key Parameters) | ์๊ฐํ ํฌ์ธํธ (Visualization) | ํ์ต์ฉ ์์ (Formula Reference) |
+| :--- | :--- | :--- | :--- |
+| **์คํ์ (Peneplain)** | ์นจ์ ์๊ฐ($t \to \infty$) | ์ฐ์ง๊ฐ ๊น์ด๊ณ ๊น์ฌ ํด์๋ฉด์ ๊ฐ๊น๊ฒ ํํํด์ง ์งํ. ๋ฐ์ด๋น์ค์ ์งํ ์คํ์ค ๋ง์ง๋ง ๋จ๊ณ. | Base Level Approach |
+| **์๊ตฌ (Monadnock)** | ์์์ ์ฐจ๋ณ ์นจ์ | ์คํ์ ์์ ๋จ๋จํ ์์๋ง ์นจ์์ ๊ฒฌ๋๊ณ ํ๋ก ๋จ์ ๋ฎ์ ์ธ๋. | Hardness Differential |
+
+---
+
+## 2. ์ ๋ต์ง ์ด๋ฏธ์ง ๋ชฉ๋ก (Reference Images to Load)
+*AI ๋ชจ๋ธ ํ์ต ๋ฐ UI ๋ ๋๋ง ์ ๋งค์นญํ ๋ ํผ๋ฐ์ค ๋ฐ์ดํฐ.*
+
+1. `meandering_river_evolution.gif` (๊ณก๋ฅ ํ์ฒ์ด ์ฐ๊ฐํธ๋ก ๋ณํ๋ 4๋จ๊ณ ๊ณผ์ )
+2. `floodplain_cross_section.png` (ํ๋ - ์์ฐ์ ๋ฐฉ - ๋ฐฐํ์ต์ง ๋จ๋ฉด๋ ๋ฐ ํ ์ง ์ด์ฉ)
+3. `delta_types_satellite.jpg` (๋์ผ๊ฐ, ๋ฏธ์์ํผ๊ฐ, ๊ฐ ์ง์ค๊ฐ ์ผ๊ฐ์ฃผ ์์ฑ ์ฌ์ง ๋น๊ต)
+4. `levee_vs_backswamp_soil.jpg` (์์ฐ์ ๋ฐฉ์ ๋ชจ๋ vs ๋ฐฐํ์ต์ง์ ์ ํ ์
์ ๋น๊ต)
+
+---
+
+**[Director's Note]**
+ํ์ผ ์งํ์ ํต์ฌ์ **"์ธ๊ฐ์ ๊ฑฐ์ฃผ(Settlement)"**์ ์ฐ๊ฒฐํ๋ ๊ฒ์
๋๋ค.
+์๋ฎฌ๋ ์ด์
UI์ **[Village Builder]** ๋ชจ๋๋ฅผ ์ถ๊ฐํ์ฌ, ์ฌ์ฉ์๊ฐ **์์ฐ์ ๋ฐฉ(ํ์ ์์ /๋ฐญ๋์ฌ)**๊ณผ **๋ฐฐํ์ต์ง(ํ์ ์ํ/๋
ผ๋์ฌ)** ์ค ์ด๋์ ์ง์ ์ง๊ณ ๋์ฌ๋ฅผ ์ง์์ง ์ ํํ๊ฒ ํ์ธ์. ์๋ชป๋ ์ ํ(์: ๋ฐฐํ์ต์ง์ ์ง ์ง๊ธฐ) ์ ํ์ ์ด๋ฒคํธ๋ก ํ๋ํฐ๋ฅผ ์ฃผ๋ฉด ํ์ต ํจ๊ณผ๊ฐ ๊ทน๋ํ๋ฉ๋๋ค.
+
+---
+
+**[Project Status]**
+๐ **์ถํํฉ๋๋ค!**
+์ฐ์ง, ์นด๋ฅด์คํธ, ํ์ฐ, ๋นํ, ๊ฑด์กฐ, ํ์ผ ์งํ๊น์ง **[Geo-Lab AI]์ ๋ชจ๋ ์งํ ๋ชจ๋ ์ค๊ณ๊ฐ ์๋ฃ๋์์ต๋๋ค.**
+
+์ด์ ์ด ๋ฐฑ์๋ค์ ๋ฐํ์ผ๋ก ์ ์ฒด ํ๋ก์ ํธ๋ฅผ **ํตํฉ(Integration)**ํ๊ฑฐ๋, **์ถ์(Launch)** ๋จ๊ณ๋ก ๋์ด๊ฐ์๊ฒ ์ต๋๊น?
\ No newline at end of file
diff --git a/DEPLOY.md b/DEPLOY.md
new file mode 100644
index 0000000000000000000000000000000000000000..02050b0a29628921d40ec20847fdd3325f291ac5
--- /dev/null
+++ b/DEPLOY.md
@@ -0,0 +1,78 @@
+# ๐ Geo-Lab AI: ์น ๋ฐฐํฌ ๊ฐ์ด๋
+
+## ๋ฐฐํฌ ์ต์
+
+### 1. ๐ Streamlit Community Cloud (์ถ์ฒ - ๋ฌด๋ฃ)
+
+**์ฅ์ :** ๋ฌด๋ฃ, GitHub ์ฐ๋, ์๋ ๋ฐฐํฌ
+
+#### ๋จ๊ณ๋ณ ๊ฐ์ด๋:
+
+1. **GitHub ์ ์ฅ์ ์์ฑ**
+ ```bash
+ cd c:\Users\HANSOL\Desktop\Geo-lab
+ git init
+ git add .
+ git commit -m "Initial commit: ํ์ฒ ์งํ ๋ชจ๋ ํ๋กํ ํ์
"
+ git branch -M main
+ git remote add origin https://github.com/YOUR_USERNAME/geo-lab-ai.git
+ git push -u origin main
+ ```
+
+2. **Streamlit Cloud ์ ์**
+ - https://share.streamlit.io ๋ฐฉ๋ฌธ
+ - GitHub ๊ณ์ ์ผ๋ก ๋ก๊ทธ์ธ
+
+3. **์ฑ ๋ฐฐํฌ**
+ - "New app" ํด๋ฆญ
+ - Repository: `YOUR_USERNAME/geo-lab-ai`
+ - Branch: `main`
+ - Main file path: `app/main.py`
+ - "Deploy!" ํด๋ฆญ
+
+4. **์๋ฃ!**
+ - URL ์์: `https://geo-lab-ai.streamlit.app`
+
+---
+
+### 2. ๐ง Hugging Face Spaces
+
+**์ฅ์ :** ๋ฌด๋ฃ, ์ปค๋ฎค๋ํฐ ๊ณต์ ์ฉ์ด
+
+1. https://huggingface.co/spaces ์์ ์ Space ์์ฑ
+2. SDK: "Streamlit" ์ ํ
+3. ํ์ผ ์
๋ก๋ ๋๋ GitHub ์ฐ๋
+
+---
+
+### 3. โ๏ธ ๊ธฐํ ์ต์
+
+| ํ๋ซํผ | ๋น์ฉ | ํน์ง |
+|-------|-----|-----|
+| **Render** | ๋ฌด๋ฃ ํฐ์ด | ์๋ ์ฌ๋ฆฝ, ์ปค์คํ
๋๋ฉ์ธ |
+| **Railway** | ๋ฌด๋ฃ $5/์ | ๋น ๋ฅธ ๋ฐฐํฌ |
+| **Heroku** | ์ ๋ฃ | ์์ ์ |
+
+---
+
+## ๋ก์ปฌ ์คํ
+
+```bash
+# ์์กด์ฑ ์ค์น
+pip install -r requirements.txt
+
+# ์ฑ ์คํ
+streamlit run app/main.py
+
+# ๋ธ๋ผ์ฐ์ ์์ ์ด๊ธฐ
+# http://localhost:8501
+```
+
+---
+
+## ํ์ฌ ์ฑ ์ํ
+
+โ
**๋ก์ปฌ ์คํ ์ค**: http://localhost:8501
+
+**์ธ๋ถ ์ ์ URL**: http://211.114.121.192:8501
+(๊ฐ์ ๋คํธ์ํฌ์์๋ง ์ ๊ทผ ๊ฐ๋ฅ)
diff --git a/README.md b/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..7c240bc27e6f37df9c6f9384fb182933fc9d2b1a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,44 @@
+---
+title: Geo-Lab AI
+emoji: ๐
+colorFrom: blue
+colorTo: green
+sdk: streamlit
+sdk_version: 1.28.0
+app_file: app.py
+pinned: false
+license: mit
+---
+
+# ๐ Geo-Lab AI - ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ
+
+**๊ต์ฌ๋ฅผ ์ํ ์งํ ํ์ฑ๊ณผ์ ์๊ฐํ ๋๊ตฌ**
+
+## ์ฃผ์ ๊ธฐ๋ฅ
+
+- ๐ **31์ข
์ด์์ ์งํ** - ๊ต๊ณผ์์ ์งํ ํํ์ ๊ธฐํํ์ ๋ชจ๋ธ
+- ๐ฌ **ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
** - 0%โ100% ์ฌ๋ผ์ด๋๋ก ์งํ ํ์ฑ ํ์ธ
+- ๐๏ธ **7๊ฐ ์นดํ
๊ณ ๋ฆฌ** - ํ์ฒ, ์ผ๊ฐ์ฃผ, ๋นํ, ํ์ฐ, ์นด๋ฅด์คํธ, ๊ฑด์กฐ, ํด์
+- ๐ **2D/3D ์๊ฐํ** - ํ๋ฉด๋ ๋ฐ ์
์ฒด ์งํ ๋ชจ๋ธ
+
+## ์ง์ ์งํ
+
+| ์นดํ
๊ณ ๋ฆฌ | ์งํ |
+|----------|------|
+| ๐ ํ์ฒ | ์ ์์ง, ์์ ๊ณก๋ฅ, ๊ฐ์
๊ณก๋ฅ, V์๊ณก, ๋ง์ํ์ฒ, ํญํฌ |
+| ๐บ ์ผ๊ฐ์ฃผ | ์ผ๋ฐ, ์กฐ์กฑ์, ํธ์, ์ฒจ๋์ |
+| โ๏ธ ๋นํ | U์๊ณก, ๊ถ๊ณก, ํธ๋ฅธ, ํผ์ค๋ฅด๋, ๋๋ผ๋ฆฐ, ๋นํด์ |
+| ๐ ํ์ฐ | ์์ํ์ฐ, ์ฑ์ธตํ์ฐ, ์นผ๋ฐ๋ผ, ํ๊ตฌํธ, ์ฉ์๋์ง |
+| ๐ฆ ์นด๋ฅด์คํธ | ๋๋ฆฌ๋ค |
+| ๐๏ธ ๊ฑด์กฐ | ๋ฐ๋ฅดํ ์ฌ๊ตฌ, ๋ฉ์ฌ/๋ทฐํธ |
+| ๐๏ธ ํด์ | ํด์์ ๋ฒฝ, ์ฌ์ทจ+์ํธ, ์ก๊ณ์ฌ์ฃผ, ๋ฆฌ์์คํด์, ํด์์์น, ํด์์ฌ๊ตฌ |
+
+## ์ ์
+
+**2025 ํ๋ฐฑ๊ณ ๋ฑํ๊ต ๊นํ์T**
+
+## ๊ธฐ์ ์คํ
+
+- Python / Streamlit
+- NumPy / Matplotlib / Plotly
+- ๊ธฐํํ์ ์งํ ์์ฑ ์๊ณ ๋ฆฌ์ฆ
diff --git a/app.py b/app.py
new file mode 100644
index 0000000000000000000000000000000000000000..a1e5ec09da5349a6ad7a3e5b2a755146933d83f5
--- /dev/null
+++ b/app.py
@@ -0,0 +1,14 @@
+# Geo-Lab AI - ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ
+# HuggingFace Spaces Entry Point
+
+import sys
+import os
+
+# Add parent directory to path
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+# Import and run main app
+from app.main import main
+
+if __name__ == "__main__":
+ main()
diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..2dedc8239d7f9848440dba78746c71449d8bab83
--- /dev/null
+++ b/app/__init__.py
@@ -0,0 +1 @@
+# App Package
diff --git a/app/components/__init__.py b/app/components/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..f5d3a55cf3849736ba7072c8d215121e43a1ba9b
--- /dev/null
+++ b/app/components/__init__.py
@@ -0,0 +1 @@
+# Components Package
diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000000000000000000000000000000000000..d2dd5fb2d394ea68255c758ded2c0394d1662774
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,4723 @@
+"""
+Geo-Lab AI v4.0: ๋ค์ค ์ด๋ก ๋ชจ๋ธ + ์ฌ์ค์ ๋ ๋๋ง
+๊ฐ ์งํ์ ๋ํด ์ฌ๋ฌ ์ด๋ก ์ ์ ํํ๊ณ ๋น๊ตํ ์ ์์
+"""
+import streamlit as st
+import numpy as np
+import matplotlib.pyplot as plt
+from matplotlib import cm, colors
+from matplotlib.colors import LightSource
+import matplotlib.patches as mpatches
+import sys
+import os
+import time
+from PIL import Image
+
+# ์์ง ์ํฌํธ
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+try:
+ from engine.pyvista_render import (
+ PYVISTA_AVAILABLE, render_v_valley_pyvista,
+ render_delta_pyvista, render_meander_pyvista
+ )
+ import pyvista as pv
+ from stpyvista import stpyvista
+ STPYVISTA_AVAILABLE = True
+except ImportError:
+ PYVISTA_AVAILABLE = False
+ STPYVISTA_AVAILABLE = False
+
+# Plotly (์ธํฐ๋ํฐ๋ธ 3D)
+import plotly.graph_objects as go
+
+# ํตํฉ ๋ฌผ๋ฆฌ ์์ง ์ํฌํธ (Phase 5)
+from engine.grid import WorldGrid
+from engine.fluids import HydroKernel
+from engine.fluids import HydroKernel
+from engine.erosion_process import ErosionProcess
+from engine.script_engine import ScriptExecutor
+from engine.system import EarthSystem
+from engine.ideal_landforms import IDEAL_LANDFORM_GENERATORS, ANIMATED_LANDFORM_GENERATORS, create_delta, create_alluvial_fan, create_meander, create_u_valley, create_v_valley, create_barchan_dune, create_coastal_cliff
+
+# ํ์ด์ง ์ค์
+st.set_page_config(
+ page_title="๐ Geo-Lab AI v4",
+ page_icon="๐",
+ layout="wide"
+)
+
+# CSS
+st.markdown("""
+
+""", unsafe_allow_html=True)
+
+
+# ============ ์ด๋ก ์ ์ ============
+
+V_VALLEY_THEORIES = {
+ "Stream Power Law": {
+ "formula": "E = K ร A^m ร S^n",
+ "description": "์ ๋(A)๊ณผ ๊ฒฝ์ฌ(S)์ ๊ฑฐ๋ญ์ ๊ณฑ ๊ด๊ณ๋ก ์นจ์๋ฅ ๊ณ์ฐ. ๊ฐ์ฅ ๋๋ฆฌ ์ฌ์ฉ๋๋ ๋ชจ๋ธ.",
+ "params": ["K (์นจ์๊ณ์)", "m (๋ฉด์ ์ง์, 0.3-0.6)", "n (๊ฒฝ์ฌ์ง์, 1.0-2.0)"],
+ "key": "stream_power"
+ },
+ "Shear Stress Model": {
+ "formula": "E = K ร (ฯ - ฯc)^a",
+ "description": "ํ์ฒ ๋ฐ๋ฅ์ ์ ๋จ์๋ ฅ(ฯ)์ด ์๊ณ๊ฐ(ฯc)์ ์ด๊ณผํ ๋ ์นจ์ ๋ฐ์.",
+ "params": ["K (์นจ์๊ณ์)", "ฯc (์๊ณ ์ ๋จ์๋ ฅ)", "a (์ง์)"],
+ "key": "shear_stress"
+ },
+ "Detachment-Limited": {
+ "formula": "E = K ร A^m ร S^n ร (1 - Qs/Qc)",
+ "description": "ํด์ ๋ฌผ ๊ณต๊ธ๋(Qs)์ด ์ด๋ฐ๋ฅ๋ ฅ(Qc)๋ณด๋ค ์์ ๋๋ง ์นจ์. ์์ ๋ถ๋ฆฌ ์๋ ์ ํ.",
+ "params": ["K (๋ถ๋ฆฌ๊ณ์)", "Qc (์ด๋ฐ๋ฅ๋ ฅ)"],
+ "key": "detachment"
+ }
+}
+
+MEANDER_THEORIES = {
+ "Helical Flow (Rozovskii)": {
+ "formula": "V_r = (Vยฒ/gR) ร h",
+ "description": "๊ณก๋ฅ์์ ์์ฌ๋ ฅ์ ์ํด ๋์ ํ 2์ฐจ๋ฅ ๋ฐ์. ๋ฐ๊นฅ์ชฝ ํ๋ฉด๋ฅ, ์์ชฝ ๋ฐ๋ฅ๋ฅ.",
+ "params": ["V (์ ์)", "R (๊ณก๋ฅ ๋ฐ๊ฒฝ)", "h (์์ฌ)"],
+ "key": "helical"
+ },
+ "Ikeda-Parker-Sawai Model": {
+ "formula": "โฮท/โt = Eโ ร U ร (H/Hโ)^ฮฑ ร ฯ",
+ "description": "ํ์ ์นจ์๋ฅ ์ด ์ ์(U), ์์ฌ(H), ๊ณก๋ฅ (ฯ)์ ํจ์. ๊ณก๋ฅ ์งํ์ ํ์ค ๋ชจ๋ธ.",
+ "params": ["Eโ (์นจ์๊ณ์)", "Hโ (๊ธฐ์ค์์ฌ)", "ฮฑ (์ง์)"],
+ "key": "ikeda_parker"
+ },
+ "Seminara Bar Model": {
+ "formula": "ฮป = ฮฒ ร W ร Fr^ฮณ",
+ "description": "ํฌ์ธํธ๋ฐ ํ์ฑ๊ณผ ์ฑ๋ ์ด๋์ ๊ฒฐํฉ ๋ชจ๋ธ. ๋ฐ์ ํ์ฅ(ฮป)์ด ์ฑ๋ํญ(W)๊ณผ Froude์(Fr)์ ๋น๋ก.",
+ "params": ["ฮฒ (๋น๋ก์์)", "ฮณ (์ง์)", "Fr (Froude์)"],
+ "key": "seminara"
+ }
+}
+
+DELTA_THEORIES = {
+ "Galloway Classification": {
+ "formula": "ฮ = f(River, Wave, Tidal)",
+ "description": "ํ์ฒยทํ๋ยท์กฐ๋ฅ 3๊ฐ์ง ์๋์ง ๊ท ํ์ผ๋ก ์ผ๊ฐ์ฃผ ํํ ๊ฒฐ์ . ๊ฐ์ฅ ๋๋ฆฌ ์ฌ์ฉ.",
+ "params": ["ํ์ฒ ์๋์ง", "ํ๋ ์๋์ง", "์กฐ๋ฅ ์๋์ง"],
+ "key": "galloway"
+ },
+ "Orton-Reading Model": {
+ "formula": "ฮ = f(Grain, Wave, Tidal)",
+ "description": "ํด์ ๋ฌผ ์
์ ํฌ๊ธฐ์ ํด์ ์๋์ง๋ฅผ ๊ณ ๋ ค. ์ธ๋ฆฝ์ง/์กฐ๋ฆฝ์ง ์ผ๊ฐ์ฃผ ๊ตฌ๋ถ.",
+ "params": ["์
์ํฌ๊ธฐ", "ํ๋ ์๋์ง", "์กฐ๋ฅ ์๋์ง"],
+ "key": "orton"
+ },
+ "Bhattacharya Model": {
+ "formula": "ฮ = f(Qsed, Hs, Tr)",
+ "description": "ํด์ ๋ฌผ ๊ณต๊ธ๋(Qsed), ์ ์ํ๊ณ (Hs), ์กฐ์ฐจ(Tr)์ ์ ๋์ ๋ชจ๋ธ.",
+ "params": ["Qsed (ํด์ ๋ฌผ๋)", "Hs (ํ๊ณ )", "Tr (์กฐ์ฐจ)"],
+ "key": "bhattacharya"
+ }
+}
+
+# ===== ํด์ ์งํ ์ด๋ก =====
+COASTAL_THEORIES = {
+ "Wave Erosion (Sunamura)": {
+ "formula": "E = K ร H^a ร T^b",
+ "description": "ํ๊ณ (H)์ ์ฃผ๊ธฐ(T)์ ๋ฐ๋ฅธ ํด์์ ์นจ์๋ฅ . ํด์์ ํํด์ ๊ธฐ๋ณธ ๋ชจ๋ธ.",
+ "params": ["H (ํ๊ณ )", "T (ํ ์ฃผ๊ธฐ)", "K (์์ ์ ํญ๊ณ์)"],
+ "key": "wave_erosion"
+ },
+ "Cliff Retreat Model": {
+ "formula": "R = Eโ ร (H/Hc)^n",
+ "description": "์๊ณํ๊ณ (Hc) ์ด๊ณผ ์ ํด์์ ํํด. ๋
ธ์น ํ์ฑ๊ณผ ๋ถ๊ดด ์ฌ์ดํด.",
+ "params": ["Eโ (๊ธฐ์ค ํํด์จ)", "Hc (์๊ณํ๊ณ )", "n (์ง์)"],
+ "key": "cliff_retreat"
+ },
+ "CERC Transport": {
+ "formula": "Q = K ร Hยฒ{b} ร sin(2ฮธ)",
+ "description": "์ฐ์๋ฅ์ ์ํ ๋ชจ๋ ์ด๋. ์ฌ๋น, ์ฌ์ทจ, ์ฌ์ฃผ ํ์ฑ์ ๊ธฐ๋ณธ ๋ชจ๋ธ.",
+ "params": ["H_b (์ํ ํ๊ณ )", "ฮธ (ํํฅ๊ฐ)", "K (์์ก๊ณ์)"],
+ "key": "cerc"
+ },
+ "Spit & Lagoon": {
+ "formula": "Qs = H^2.5 * sin(2ฮฑ)",
+ "description": "์ฐ์๋ฅ์ ์ํด ๋ชจ๋๊ฐ ๊ณถ ๋์์ ๋ป์ด๋๊ฐ ์ฌ์ทจ์ ์ํธ ํ์ฑ.",
+ "params": ["์ฐ์๋ฅ ๊ฐ๋", "๋ชจ๋ ๊ณต๊ธ", "ํํฅ"],
+ "key": "spit"
+ },
+ "Tombolo": {
+ "formula": "Kd = H_diff / H_inc",
+ "description": "์ฌ ํ๋ฉด์ ํ๋ ํ์ ๋ก ์ธํ ๋ชจ๋ ํด์ . ์ก๊ณ๋ ํ์ฑ.",
+ "params": ["์ฌ ๊ฑฐ๋ฆฌ", "ํ๋ ์๋์ง", "์ฌ ํฌ๊ธฐ"],
+ "key": "tombolo"
+ },
+ "Tidal Flat": {
+ "formula": "D = C * ws * (1 - ฯ/ฯd)",
+ "description": "์กฐ์ ๊ฐ๋ง์ ์ฐจ๋ก ํ์ฑ๋๋ ๊ดํํ ๊ฐฏ๋ฒ.",
+ "params": ["์กฐ์ฐจ(Tidal Range)", "ํด์ ๋ฌผ ๋๋"],
+ "key": "tidal_flat"
+ }
+}
+
+# ===== ์นด๋ฅด์คํธ ์งํ ์ด๋ก =====
+KARST_THEORIES = {
+ "Chemical Weathering": {
+ "formula": "CaCOโ + HโO + COโ โ Ca(HCOโ)โ",
+ "description": "ํ์ฐ์นผ์์ ํํ์ ์ฉ์. COโ ๋๋์ ์์จ์ ๋ฐ๋ผ ์ฉ์๋ฅ ๋ณํ.",
+ "params": ["COโ ๋๋", "์์จ", "๊ฐ์๋"],
+ "key": "chemical"
+ },
+ "Doline Evolution": {
+ "formula": "V = Vโ ร exp(kt)",
+ "description": "๋๋ฆฌ๋ค์ ์ง์์ ์ฑ์ฅ. ์๊ฐ์ ๋ฐ๋ผ ์ฐ๋ฐ๋ผ, ํด๋ฆฌ์๋ก ๋ฐ์ .",
+ "params": ["์ด๊ธฐ ํฌ๊ธฐ", "์ฑ์ฅ๋ฅ ", "๋ณํฉ ํ๋ฅ "],
+ "key": "doline"
+ },
+ "Cave Development": {
+ "formula": "D = f(Q, S, t)",
+ "description": "์งํ์ ์ ๋(Q)๊ณผ ๊ฒฝ์ฌ(S)์ ๋ฐ๋ฅธ ๋๊ตด ๋ฐ๋ฌ. ์ข
์ ์/์์ ํ์ฑ.",
+ "params": ["์งํ์ ์ ๋", "๊ฒฝ์ฌ", "์ํ์ ๋๊ป"],
+ "key": "cave"
+ }
+}
+
+# ===== ํ์ฐ ์งํ ์ด๋ก =====
+VOLCANIC_THEORIES = {
+ "Effusive (Shield)": {
+ "formula": "H/R = f(ฮท)",
+ "description": "์ ์ ์ฑ ํ๋ฌด์์ง ์ฉ์. ์์ํ์ฐ(๋ฐฉํจ ๋ชจ์) ํ์ฑ. ํ์์ด, ์ ์ฃผ๋.",
+ "params": ["์ฉ์ ์ ์ฑ", "๋ถ์ถ๋ฅ ", "๊ฒฝ์ฌ๊ฐ"],
+ "key": "shield"
+ },
+ "Explosive (Strato)": {
+ "formula": "VEI = logโโ(V)",
+ "description": "๊ณ ์ ์ฑ ์์ฐ์/์ ๋ฌธ์. ์ฑ์ธตํ์ฐ(์์ถํ) ํ์ฑ. ํ์ง์ฐ, ๋ฐฑ๋์ฐ.",
+ "params": ["ํญ๋ฐ์ง์(VEI)", "ํ์ฐ์ฌ๋", "์ฉ์/ํ์๋ฅ ๋น์จ"],
+ "key": "strato"
+ },
+ "Caldera Formation": {
+ "formula": "D = f(Vmagma)",
+ "description": "๋ง๊ทธ๋ง ๋ฐฉ ๋น์ ํ ํจ๋ชฐ. ์นผ๋ฐ๋ผ ํธ์ ํ์ฑ. ๋ฐฑ๋์ฐ ์ฒ์ง.",
+ "params": ["๋ง๊ทธ๋ง ๋ฐฉ ํฌ๊ธฐ", "ํจ๋ชฐ ๊น์ด"],
+ "key": "caldera"
+ }
+}
+
+# ===== ๋นํ ์งํ ์ด๋ก =====
+GLACIAL_THEORIES = {
+ "Glacial Erosion": {
+ "formula": "E = K ร U ร H",
+ "description": "๋นํ ์ด๋์๋(U)์ ๋๊ป(H)์ ๋ฐ๋ฅธ ์นจ์. V์๊ณกโU์๊ณก ๋ณํ.",
+ "params": ["๋นํ ์๋", "๋นํ ๋๊ป", "์์ ๊ฒฝ๋"],
+ "key": "erosion"
+ },
+ "Fjord Development": {
+ "formula": "D = E ร t + SLR",
+ "description": "๋นํ ์นจ์ ํ ํด์๋ฉด ์์น์ผ๋ก ํผ์ค๋ฅด ํ์ฑ. ๋
ธ๋ฅด์จ์ด ํด์.",
+ "params": ["์นจ์ ๊น์ด", "ํด์๋ฉด ์์น"],
+ "key": "fjord"
+ },
+ "Moraine Deposition": {
+ "formula": "V = f(Qsed, Tmelting)",
+ "description": "๋นํด์ ํด์ . ๋ถ๊ธ ๋ถ๋ ํด์ ๋ฌผ. ๋๋ผ๋ฆฐ, ์์ค์ปค ํ์ฑ.",
+ "params": ["ํด์ ๋ฌผ๋", "์ต๋น ์๋"],
+ "key": "moraine"
+ }
+}
+
+# ===== ๊ฑด์กฐ ์งํ ์ด๋ก =====
+ARID_THEORIES = {
+ "Barchan Dune": {
+ "formula": "H = 0.1 ร L",
+ "description": "์ด์น๋ฌ ๋ชจ์ ์ฌ๊ตฌ. ๋ฐ๋ ๋ฐฉํฅ์ผ๋ก ๋ฟ์ด ํฅํจ. ๋จ์ผ ๋ฐ๋ ๋ฐฉํฅ.",
+ "params": ["ํ์", "๋ชจ๋ ๊ณต๊ธ๋", "๋ฐ๋ ๋ฐฉํฅ"],
+ "key": "barchan"
+ },
+ "Mesa-Butte Evolution": {
+ "formula": "R = K ร S ร t",
+ "description": "๊ณ ์(๋ฉ์ฌ) โ ํ์์ง(๋ทฐํธ) โ ์ฒจํ(์คํ์ด์ด) ์นจ์ ๋จ๊ณ.",
+ "params": ["ํํด์จ", "๊ฒฝ๋ ์ฐจ์ด"],
+ "key": "mesa"
+ },
+ "Pediment Formation": {
+ "formula": "S = f(P, R)",
+ "description": "์ฐ์ง ๊ธฐ์ญ์ ์๋งํ ์๋ฐ ํํ๋ฉด. ํ๋๋จผํธ + ๋ฐํ๋ค.",
+ "params": ["๊ฐ์๋", "์์ ์ ํญ"],
+ "key": "pediment"
+ }
+}
+
+# ===== ํ์ผ ์งํ ์ด๋ก =====
+PLAIN_THEORIES = {
+ "Floodplain Development": {
+ "formula": "A = f(Q, S, t)",
+ "description": "๋ฒ๋์ ๋ฐ๋ฌ. ์์ฐ์ ๋ฐฉ + ๋ฐฐํ์ต์ง ํ์ฑ. ํ ์ง ์ด์ฉ ๋ถํ.",
+ "params": ["์ ๋", "๊ฒฝ์ฌ", "ํด์ ๋ฌผ๋"],
+ "key": "floodplain"
+ },
+ "Levee-Backswamp": {
+ "formula": "H_levee > H_backswamp",
+ "description": "์์ฐ์ ๋ฐฉ(์กฐ๋ฆฝ์ง) vs ๋ฐฐํ์ต์ง(์ธ๋ฆฝ์ง) ๋ถ๊ธ. ๋
ผ/๋ฐญ ์ด์ฉ.",
+ "params": ["ํด์ ๋ฌผ ๋ถ๊ธ", "๋ฒ๋ ๋น๋"],
+ "key": "levee"
+ },
+ "Alluvial Plain": {
+ "formula": "D = Qsed ร t / A",
+ "description": "์ถฉ์ ํ์ผ ํ์ฑ. ์ ์์ง โ ๋ฒ๋์ โ ์ผ๊ฐ์ฃผ ์ฐ์์ฒด.",
+ "params": ["ํด์ ๋ฌผ๋", "์ ์ญ๋ฉด์ "],
+ "key": "alluvial"
+ }
+}
+
+
+# ============ ์๋ฎฌ๋ ์ด์
ํจ์๋ค ============
+
+@st.cache_data(ttl=3600)
+def simulate_v_valley(theory: str, time_years: int, params: dict, grid_size: int = 80):
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
(Hybrid Approach) - ๊ต๊ณผ์์ ์ธ V์ ๋จ๋ฉด ๊ฐ์ """
+
+ # [Hybrid Approach]
+ # ๋ฌผ๋ฆฌ ์์ง์ ๋ถํ์ค์ฑ์ ์ ๊ฑฐํ๊ณ , ์๋ฒฝํ V์๋ฅผ ๋ณด์ฌ์ฃผ๊ธฐ ์ํด ํํ๋ฅผ ๊ฐ์ ํจ.
+
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+ center = cols // 2
+
+ # 1. Base Logic: Time-dependent Incision
+ # ์๊ฐ์ด ์ง๋ ์๋ก ๊น์ด์ง๊ณ , V์๊ฐ ์ ๋ช
ํด์ง.
+ # U-Valley is U-shaped, V-Valley is V-shaped.
+
+ max_depth_possible = 150.0
+ # [Fix] Remove offset and scale faster for visualization
+ # 50,000 years to reach 50% depth, sat at 200k
+ current_depth = max_depth_possible * (1.0 - np.exp(-time_years / 50000.0))
+
+ # Rock Hardness affects width/steepness
+ rock_h = params.get('rock_hardness', 0.5)
+ # Hard rock -> Steep slope (Narrow V)
+ # Soft rock -> Gentle slope (Wide V)
+
+ valley_width_factor = 0.5 + (1.0 - rock_h) * 1.5 # 0.5(Hard) ~ 2.0(Soft)
+
+ # 2. Build Terrain
+ for r in range(rows):
+ # Longitudinal Profile (Downstream slope)
+ base_elev = 250.0 - (r / rows) * 60.0 # 250 -> 190
+ grid.bedrock[r, :] = base_elev
+
+ grid.update_elevation()
+
+ # 3. Carve V-Shape (Analytical)
+ x_coords = np.linspace(-500, 500, cols)
+
+ for c in range(cols):
+ dist_x = abs(c - center) # Distance from river center
+ dist_meters = dist_x * cell_size
+
+ # --- ํญ ๊ตฌ์ฑ ---
+ tabs = st.tabs(["๐๏ธ ์งํ ์๋ฎฌ๋ ์ด์
", "๐ ์คํฌ๋ฆฝํธ ๋ฉ", "๐ Project Genesis (Unified Engine)"])
+
+ # [Tab 1] ๊ธฐ์กด ์๋ฎฌ๋ ์ดํฐ (Legacy & Refactored)
+ with tabs[0]:
+ st.title("๐๏ธ ์งํ ํ์ฑ ์๋ฎฌ๋ ์ดํฐ (Geo-Landform Simulator)")
+ # ... (Existing content remains here) ...
+ # Need to indent existing content or just use 'with tabs[0]:' logic
+ # For this tool, I will just INSERT the new tab code at the END of the file or appropriate place.
+ # But wait, existing code structure is 'with st.sidebar... if mode == ...'
+ # The structure is messy.
+ # I should insert the NEW tab logic where tabs are defined.
+
+ # Let's verify where tabs are defined.
+ # Line 206: tabs = st.tabs(["์๋ฎฌ๋ ์ด์
", "๊ฐค๋ฌ๋ฆฌ", "์ค์ "]) -> Wait, viewed file didn't show this.
+ # Let's inspect main.py structure again quickly before editing.
+ pass
+
+ # [New Tab Logic Placeholder - Will replace in next step after verifying structure]function: Depth decreases linearly with distance
+ # z = z_base - max_depth * (1 - dist / width)
+
+ width_m = 400.0 * valley_width_factor
+
+ if dist_meters < width_m:
+ # Linear V-shape
+ incision_ratio = (1.0 - dist_meters / width_m)
+ # Make it slightly concave (power 1.2) for realism? Or strict V (power 1)?
+ # Textbook is strict V
+ incision = current_depth * incision_ratio
+
+ grid.bedrock[:, c] -= incision
+
+ # 4. Add Physics Noise (Textures)
+ # ํ์ฒ ๋ฐ๋ฅ์ ์ฝ๊ฐ์ ๋ถ๊ท์น์ฑ
+ noise = np.random.rand(rows, cols) * 5.0
+ grid.bedrock += noise
+
+ # Wiggle the river center slightly? (Sinusuosity)
+ # V-valleys are usually straight-ish, but let's keep it simple.
+
+ grid.update_elevation()
+
+ # Calculate stats
+ depth = current_depth
+ x = np.linspace(0, 1000, cols)
+
+ # [Fix] Water Depth
+ water_depth = np.zeros_like(grid.elevation)
+ # V-valley bottom
+ river_w = 8
+ water_depth[:, center-river_w:center+river_w+1] = 2.0
+
+ return {'elevation': grid.elevation, 'depth': depth, 'x': x, 'water_depth': water_depth}
+
+
+@st.cache_data(ttl=3600)
+def simulate_meander(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """
+ ์์ ๊ณก๋ฅ ์๋ฎฌ๋ ์ด์
(Process-Based)
+ - Kinoshita Curve๋ก ๊ฒฝ๋ก ์์ฑ -> 3D ์งํ์ ์กฐ๊ฐ(Carving) & ํด์ (Deposition)
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+
+ # 1. ์ด๊ธฐ ํ์ผ (Floodplain)
+ # ์๋งํ ๊ฒฝ์ฌ (์ -> ๋ ํ๋ฆ ๊ฐ์ ํน์ ๋จ๋ถ?)
+ # ๊ธฐ์กด ์ฝ๋: x์ถ ๋ฐฉํฅ์ผ๋ก ํ๋ฆ
+ rows, cols = grid_size, grid_size
+
+ # ๊ธฐ๋ณธ ๊ณ ๋: 50m
+ grid.bedrock[:] = 50.0
+ # Add slight slope W->E
+ X, Y = np.meshgrid(np.linspace(0, 1000, cols), np.linspace(0, 1000, rows))
+ grid.bedrock -= (X / 1000.0) * 5.0 # 5m drop over 1km
+
+ # 2. Kinoshita Curve Path Generation (Legacy Logic preserved for path)
+ n_points = 1000
+ s_vals = np.linspace(0, 20, n_points)
+
+ cycle_period = 100000
+ cycle_progress = (time_years % cycle_period) / cycle_period
+ # Amp grows then cutoff
+ max_theta = 2.2
+ theta_0 = 0.5 + cycle_progress * (max_theta - 0.5)
+
+ flattening = params.get('flattening', 0.2)
+ k_wavenumber = 1.0
+
+ # Current Path
+ theta = theta_0 * np.sin(k_wavenumber * s_vals) + (theta_0 * flattening) * np.sin(3 * k_wavenumber * s_vals)
+ dx = np.cos(theta)
+ dy = np.sin(theta)
+ x_path = np.cumsum(dx)
+ y_path = np.cumsum(dy)
+
+ # Rotate to flow Left->Right (W->E)
+ angle = np.arctan2(y_path[-1] - y_path[0], x_path[-1] - x_path[0])
+ target_angle = 0 # X-axis
+ rot_angle = target_angle - angle
+
+ rot_mat = np.array([[np.cos(rot_angle), -np.sin(rot_angle)],[np.sin(rot_angle), np.cos(rot_angle)]])
+ coords = np.vstack([x_path, y_path])
+ rotated = rot_mat @ coords
+ px = rotated[0, :]
+ py = rotated[1, :]
+
+ # Normalize to fit Grid (0-1000 with margins)
+ margin = 100
+ p_width = px.max() - px.min()
+ if p_width > 0:
+ scale = (1000 - 2*margin) / p_width
+ px = (px - px.min()) * scale + margin
+ py = py * scale
+ py = py - py.mean() + 500 # Center Y
+
+ # 3. Process-Based Terrain Modification
+ # A. Carve Channel (Subtractive)
+ # B. Deposit Point Bar (Additive - Inside Bend)
+ # C. Natural Levee (Additive - Banks)
+
+ channel_width = 30.0 # m
+ channel_depth = 5.0 # m
+ levee_height = 1.0 # m
+ levee_width = 20.0 # m
+
+ # Interpolate path for grid
+ # Map grid x,y to distance from channel
+
+ # Create distance field simplistic: for each grid point, find dist to curve? Too slow (100x100 * 1000).
+ # Faster: Draw curve onto grid mask.
+
+ grid.sediment[:] = 5.0 # Soil layer
+
+ # Iterate path points and carve
+ # Use finer resolution for drawing
+ for i in range(n_points):
+ cx, cy = px[i], py[i]
+
+ # Grid indices
+ c_idx = int(cx / cell_size)
+ r_idx = int(cy / cell_size)
+
+ # Carve circle
+ radius_cells = int(channel_width / cell_size / 2) + 1
+
+ # Curvature for Point Bar
+ # Calculate local curvature
+ # kappa = d(theta)/ds approx
+ if 0 < i < n_points-1:
+ dx_local = px[i+1] - px[i-1]
+ dy_local = py[i+1] - py[i-1]
+ # Vector along river: (dx, dy)
+ # Normal vector (Inside/Outside): (-dy, dx)
+
+ # Simple approach: Check neighbors
+ for dr in range(-radius_cells*3, radius_cells*3 + 1):
+ for dc in range(-radius_cells*3, radius_cells*3 + 1):
+ rr, cc = r_idx + dr, c_idx + dc
+ if 0 <= rr < rows and 0 <= cc < cols:
+ # Physical coord
+ gy = rr * cell_size
+ gx = cc * cell_size
+ dist = np.sqrt((gx - cx)**2 + (gy - cy)**2)
+
+ if dist < channel_width / 2:
+ # Channel Bed
+ grid.sediment[rr, cc] = 0 # Erode all sediment
+ grid.bedrock[rr, cc] = min(grid.bedrock[rr, cc], 50.0 - (gx/1000.0)*5.0 - channel_depth)
+
+ elif dist < channel_width / 2 + levee_width:
+ # Levee (Both sides initially)
+ grid.sediment[rr, cc] += levee_height * np.exp(-(dist - channel_width/2)/10.0)
+
+ # Point Bar Deposition: Inner Bend
+ # If turning LEFT, Inner is LEFT.
+ # Local curvature check required.
+ # Or just use pre-calc theta?
+ pass
+
+ # [Fix] To make it smooth, use diffusion
+ erosion = ErosionProcess(grid)
+ erosion.hillslope_diffusion(dt=1.0)
+
+ # [Fix] Water Depth
+ # Fill channel using HydroKernel (Physics Flow)
+ grid.update_elevation()
+
+ # Add flow source at start of path
+ # Find start point (min X)
+ start_idx = np.argmin(px)
+ sx, sy = px[start_idx], py[start_idx]
+ sr, sc = int(sy/cell_size), int(sx/cell_size)
+
+ precip = np.zeros((rows, cols))
+ if 0 <= sr < rows and 0 <= sc < cols:
+ precip[sr-2:sr+3, sc-2:sc+3] = 20.0 # Source
+
+ # Also some rain mapping to channel?
+ # Route flow
+ hydro = HydroKernel(grid)
+ discharge = hydro.route_flow_d8(precipitation=precip)
+
+ # Map to depth
+ water_depth = np.log1p(discharge) * 0.5
+ water_depth[water_depth < 0.1] = 0
+
+ # Calculate sinuosity for UI
+ path_len = np.sum(np.sqrt(np.diff(px)**2 + np.diff(py)**2))
+ straight = np.sqrt((px[-1]-px[0])**2 + (py[-1]-py[0])**2) + 0.01
+ sinuosity = path_len / straight
+
+ return {
+ 'elevation': grid.elevation,
+ 'water_depth': water_depth,
+ 'sinuosity': sinuosity,
+ 'oxbow_lakes': [] # TODO: Implement Oxbow in grid
+ }
+
+
+@st.cache_data(ttl=3600)
+def simulate_delta(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """
+ ์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
(Process-Based)
+ - ํ์ฒ์ด ๋ฐ๋ค๋ก ์ ์
-> ์ ์ ๊ฐ์ -> ํด์ -> ํด์์ ์ ์ง(Progradation) -> ์ ๋ก ๋ณ๊ฒฝ(Avulsion)
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size, sea_level=0.0)
+
+ rows, cols = grid_size, grid_size
+
+ # 1. ์ด๊ธฐ ์งํ
+ # Land (Top) -> Sea (Bottom)
+ # ์๋งํ ๊ฒฝ์ฌ
+ center = cols // 2
+
+ # Bedrock Slope
+ # Row 0: +20m -> Row 100: -20m
+ Y, X = np.meshgrid(np.linspace(0, 1000, cols), np.linspace(0, 1000, rows))
+ grid.bedrock = 20.0 - (Y / 1000.0) * 40.0
+
+ # Pre-carve a slight valley upstream to guide initial flow
+ for r in range(rows // 3):
+ for c in range(cols):
+ dist = abs(c - center)
+ if dist < 10:
+ grid.bedrock[r, c] -= 2.0 * (1.0 - dist/10.0)
+
+ grid.update_elevation()
+
+ # 2. ๋ฌผ๋ฆฌ ์์ง
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid, K=0.02, m=1.0, n=1.0)
+
+ # ํ๋ผ๋ฏธํฐ
+ river_flux = params.get('river', 0.5) * 200.0 # Sediment input
+ wave_energy = params.get('wave', 0.5)
+
+ # Delta Type Logic (Process-based modulation)
+ # Wave energy high -> Diffusion high -> Arcuate / Smooth Coast
+ # Wave energy low -> Diffusion low -> Bird's Foot
+ diffusion_rate = 0.01 + wave_energy * 0.1
+
+ steps = max(50, min(time_years // 100, 300))
+ dt = 1.0
+
+ # 3. ์๋ฎฌ๋ ์ด์
๋ฃจํ
+ for i in range(steps):
+ # ๊ฐ์ (์๋ฅ ์ ์
)
+ precip = np.zeros((rows, cols))
+ precip[0:2, center-2:center+3] = 20.0
+
+ # Flow
+ discharge = hydro.route_flow_d8(precipitation=precip)
+
+ # Sediment Inflow at top
+ grid.sediment[0:2, center-2:center+3] += river_flux * 0.1 * dt
+
+ # Transport & Deposit
+ erosion.simulate_transport(discharge, dt=dt)
+
+ # Wave Action (Diffusion)
+ # ํด์์ ๊ทผ์ฒ์์ ํ์ฐ์ด ์ผ์ด๋จ
+ # Hillslope diffusion approximates wave smoothing
+ erosion.hillslope_diffusion(dt=dt * diffusion_rate * 100.0)
+
+ grid.update_elevation()
+
+ # 4. ๊ฒฐ๊ณผ ์ ๋ฆฌ
+ # Water Depth Calculation
+ # Sea Depth (flat) vs River Depth (flow)
+
+ # Recalculate final flow
+ precip_final = np.zeros((rows, cols))
+ precip_final[0:2, center-2:center+3] = 10.0
+ discharge_final = hydro.route_flow_d8(precipitation=precip_final)
+
+ # 1. Sea Water
+ water_depth = np.zeros_like(grid.elevation)
+ sea_mask = grid.elevation < 0
+ water_depth[sea_mask] = -grid.elevation[sea_mask]
+
+ # 2. River Water
+ river_depth = np.log1p(discharge_final) * 0.5
+ land_mask = grid.elevation >= 0
+
+ # Combine (On land, show river. At sea, show sea depth)
+ water_depth[land_mask] = river_depth[land_mask]
+
+ # Calculate Metrics
+ # Area: Sediment accumulated above sea level (approx)
+ # Exclude initial land (bedrock > 0)
+ delta_mask = (grid.elevation > 0) & (grid.bedrock < 0)
+ area = np.sum(delta_mask) * (cell_size**2) / 1e6
+
+ # Determine Type for UI display
+ if wave_energy > 0.6:
+ delta_type = "์ํธ์ (Arcuate)"
+ elif river_flux > 300 and wave_energy < 0.3:
+ delta_type = "์กฐ์กฑ์ (Bird's Foot)"
+ else:
+ delta_type = "ํผํฉํ (Mixed)"
+
+ return {'elevation': grid.elevation, 'water_depth': water_depth, 'area': area, 'delta_type': delta_type}
+
+
+@st.cache_data(ttl=3600)
+def simulate_coastal(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """ํด์ ์งํ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง ์ ์ฉ)"""
+
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ (Headland & Bay)
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # ๊ธฐ๋ณธ: ๊น์ ๋ฐ๋ค -> ์์ ๋ฐ๋ค -> ์ก์ง (Y์ถ ๋ฐฉํฅ)
+ for r in range(rows):
+ # Y=0(Deep Ocean) -> Y=100(Land)
+ base_elev = (r / rows) * 60.0 - 20.0 # -20m ~ +40m
+ grid.bedrock[r, :] = base_elev
+
+ # ๊ณถ (Headland) ๋์ถ
+ # ์ค์ ๋ถ๋ถ์ ํด์์ ์ด ๋ฐ๋ค(Y=low) ์ชฝ์ผ๋ก ํ์ด๋์ด
+ center = cols // 2
+ headland_width = cols // 3
+ for c in range(cols):
+ dist = abs(c - center)
+ if dist < headland_width:
+ # ๋์ถ๋ถ ์ถ๊ฐ ๋์ด
+ protrusion = (1.0 - dist/headland_width) * 40.0
+ # ๋ฐ๋ค ์ชฝ์ผ๋ก ์ฐ์ฅ
+ grid.bedrock[:, c] += protrusion * 0.5 # ์ ์ฒด์ ์ผ๋ก ๋์
+
+ # ์๋ถ๋ถ์ ๋ ๋ฐ๋ค๋ก
+ for r in range(rows):
+ if r < rows // 2: # ๋ฐ๋ค ์ชฝ ์ ๋ฐ
+ grid.bedrock[r, c] += protrusion * (1.0 - r/(rows//2))
+
+ # ๋๋ค ๋
ธ์ด์ฆ
+ np.random.seed(42)
+ grid.bedrock += np.random.rand(rows, cols) * 2.0
+ grid.update_elevation()
+
+ # 2. ์์ง
+ erosion = ErosionProcess(grid, K=0.01)
+
+ steps = 100
+ wave_height = params.get('wave_height', 2.0)
+ rock_resistance = params.get('rock_resistance', 0.5)
+
+ # ํ๋ ์๋์ง ๊ณ์ (์์ ์ ํญ ๋ฐ๋)
+ erodibility = (1.0 - rock_resistance) * 0.2
+
+ result_type = "ํด์์ & ํ์๋"
+
+ for i in range(steps):
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ํด์์ (Sea Cliff)์ ํ์๋(Wave-cut Platform) ๊ฐ์
+
+ # 1. Retreat Cliff
+ # Amount of retreat proportional to step
+ retreat_dist = min(30, i * 0.5)
+
+ # Current Cliff Position (roughly)
+ # Original Headland was centered at Y=50 (approx)
+ # We push Y back based on X (Headland shape)
+
+ # Platform mask (Area eroded)
+ # Headland (center cols) retreats faster? No, wave focuses on headland.
+
+ # Define Cliff Line
+ for c in range(cols):
+ dist = abs(c - center)
+ if dist < headland_width:
+ # Original protrusion extent
+ orig_y = 50 + (1.0 - dist/headland_width) * 40.0
+
+ # Current cliff y (Retreating)
+ # fast retreat at tip
+ retreat_local = retreat_dist * (1.0 + (1.0 - dist/headland_width))
+ current_y = orig_y - retreat_local
+ current_y = max(current_y, 20.0) # Limit
+
+ # Apply Profile
+ # Platform (Low, flat) below current_y
+ # Cliff (Steep) at current_y
+
+ # Platform level: -10 ~ 0 approx
+ # Carve everything sea-side of current_y down to platform level
+
+ for r in range(rows):
+ if r < current_y:
+ # Platform
+ target_h = -5.0 + (r/100.0)*2.0
+ if grid.bedrock[r, c] > target_h:
+ grid.bedrock[r, c] = target_h
+ else:
+ # Cliff face or Land
+ # Keep heavy
+ pass
+
+ # 2. Physics detail (Stacks/Arches?)
+ # Leave some random columns (Stacks) on the platform
+ if i == steps - 1:
+ # Random Stacks
+ stack_prob = 0.02
+ noise = np.random.rand(rows, cols)
+ platform_mask = (grid.bedrock < 0) & (grid.bedrock > -10)
+ grid.bedrock[platform_mask & (noise < stack_prob)] += 30.0 # Stacks
+
+ result_type = "ํด์์ & ํ์๋ & ์์คํ"
+
+
+
+ return {
+ 'elevation': grid.elevation,
+ 'type': result_type,
+ 'cliff_retreat': 0, 'platform_width': 0, 'notch_depth': 0
+ }
+
+
+
+@st.cache_data(ttl=3600)
+def simulate_coastal_deposition(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """ํด์ ํด์ ์งํ ์๋ฎฌ๋ ์ด์
- ์ฌ์ทจ, ์ก๊ณ๋, ๊ฐฏ๋ฒ"""
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+ elevation = np.zeros((grid_size, grid_size))
+
+ dt = 100
+ steps = max(1, time_years // dt)
+
+ # ๊ณตํต: ํด์๋ฉด 0m ๊ธฐ์ค
+
+ if theory == "spit":
+ # ์ฌ์ทจ & ์ํธ: ๊บพ์ธ ํด์์ ์์ ๋ชจ๋๊ฐ ์ฐ์ฅ๋จ
+ # ์ด๊ธฐ ์งํ: ์ผ์ชฝ์ ์ก์ง, ์ค๋ฅธ์ชฝ์ ๋ง(Bay)
+ # ๋ง์ ์
๊ตฌ: X=300 ์ง์
+ coast_y = 200
+
+ # ์ก์ง ๊ธฐ๋ณธ
+ land_mask = (X < 300) & (Y > coast_y) # ์ผ์ชฝ ํด์
+ elevation[land_mask] = 10
+
+ # ๋ง์ ์์ชฝ (์ค๋ฅธ์ชฝ ๊น์ํ ๊ณณ)
+ bay_coast_y = 600
+ bay_mask = (X >= 300) & (Y > bay_coast_y)
+ elevation[bay_mask] = 10
+
+ # ๋ฐ๋ค (์ ์ง์ ๊น์ด์ง)
+ sea_mask = elevation == 0
+ elevation[sea_mask] = -10 - (Y[sea_mask]/1000)*10
+
+ # ์ฌ์ทจ ์ฑ์ฅ (์ผ์ชฝ ๊ณถ์์ ์ค๋ฅธ์ชฝ์ผ๋ก)
+ growth_rate = params.get('drift_strength', 0.5) * 5
+ spit_len = min(600, steps * growth_rate)
+
+ # ์ฌ์ทจ ํ์ฑ (X: 300 -> 300+len)
+ spit_width = 30 + params.get('sand_supply', 0.5) * 20
+
+ spit_mask = (X >= 300) & (X < 300 + spit_len) & (Y > coast_y - spit_width/2) & (Y < coast_y + spit_width/2)
+
+ # ๋๋ถ๋ถ์ ๋ญํญํ๊ฒ/ํ์ด์ง๊ฒ (Hook)
+ if spit_len > 100:
+ hook_x = 300 + spit_len
+ hook_mask = (X > hook_x - 50) & (X < hook_x) & (Y > coast_y) & (Y < coast_y + 100)
+ # ํํฅ์ ๋ฐ๋ผ ํ์ด์ง
+ if params.get('wave_angle', 45) > 30:
+ elevation[hook_mask & (elevation < 0)] = 2
+
+ elevation[spit_mask] = 3 # ํด์๋ฉด ์๋ก ๋๋ฌ๋จ
+
+ # ์ํธ ํ์ฑ ์ฌ๋ถ (์ฌ์ทจ๊ฐ ๋ง์ ๋ง์๋์ง)
+ lagoon_closed = spit_len > 600
+
+ result_type = "์ฌ์ทจ (Spit)"
+ if lagoon_closed: result_type += " & ์ํธ (Lagoon)"
+
+ elif theory == "tombolo":
+ # ์ก๊ณ๋: ์ก์ง + ์ฌ + ์ฌ์ฃผ
+ coast_y = 200
+
+ # ์ก์ง
+ elevation[Y < coast_y] = 10
+ elevation[Y >= coast_y] = -15 # ๋ฐ๋ค
+
+ # ์ฌ (์ค์์ ์์น)
+ island_dist = 300 + params.get('island_dist', 0.5) * 300 # 300~600m
+ island_y = coast_y + island_dist
+ island_r = 80 + params.get('island_size', 0.5) * 50
+
+ dist_from_island = np.sqrt((X-500)**2 + (Y-island_y)**2)
+ island_mask = dist_from_island < island_r
+ elevation[island_mask] = 30 * np.exp(-dist_from_island[island_mask]**2 / (island_r/2)**2)
+
+ # ์ก๊ณ์ฌ์ฃผ (Tombolo) ์ฑ์ฅ
+ # ํ๋์ด ์ฌ ๋ค์ชฝ์ผ๋ก ํ์ ๋์ด ํด์
+ # ์ก์ง(200)์ ์ฌ(island_y) ์ฌ์ด ์ด์ด์ง
+
+ connect_factor = min(1.0, steps * params.get('wave_energy', 0.5) * 0.05)
+
+ # ๋ชจ๋ํฑ (X=500 ์ค์ฌ)
+ bar_width = 40 + connect_factor * 100
+ bar_mask = (X > 500 - bar_width/2) & (X < 500 + bar_width/2) & (Y >= coast_y) & (Y <= island_y)
+
+ # ๋ชจ๋ํฑ ๋์ด: ์์ํ ์ฌ๋ผ์ด
+ target_height = 2 # ํด์๋ฉด๋ณด๋ค ์ฝ๊ฐ ๋์
+ current_bar_h = -5 + connect_factor * 7
+
+ elevation[bar_mask] = np.maximum(elevation[bar_mask], current_bar_h)
+
+ result_type = "์ก๊ณ๋ (Tombolo)" if current_bar_h > 0 else "์ก๊ณ์ฌ์ฃผ ํ์ฑ ์ค"
+
+ elif theory == "tidal_flat":
+ # ๊ฐฏ๋ฒ: ์๋งํ ๊ฒฝ์ฌ + ์กฐ์ ๊ณจ (Tidal Creek)
+ # ๋งค์ฐ ์๋งํ ๊ฒฝ์ฌ
+ slope = 0.005
+ elevation = 5 - Y * slope # Y=0: 5m -> Y=1000: 0m ...
+
+ # ์กฐ์ฐจ (Tidal Range)
+ tidal_range = params.get('tidal_range', 3.0) # 0.5 ~ 6m
+ high_tide = tidal_range / 2
+ low_tide = -tidal_range / 2
+
+ # ๊ฐฏ๋ฒ ์์ญ: High Tide์ Low Tide ์ฌ์ด
+ flat_mask = (elevation < high_tide) & (elevation > low_tide)
+
+ # ๊ฐฏ๋ฒ ๊ณจ (Meandering Creeks)
+ # ํ๋ํ ์๋ก
+ n_creeks = 3
+ for i in range(n_creeks):
+ cx = 200 + i * 300
+ cy = np.linspace(200, 1000, 200)
+
+ # ์๋ก ๊ตด๊ณก
+ cx_curve = cx + 50 * np.sin(cy * 0.02) + np.random.normal(0, 5, 200)
+
+ for j, y_pos in enumerate(cy):
+ iy = int(y_pos * grid_size / 1000)
+ ix = int(cx_curve[j] * grid_size / 1000)
+ if 0 <= iy < grid_size and 0 <= ix < grid_size:
+ # ์๋ก ๊น์ด
+ depth = 2 + (y_pos/1000) * 3 # ๋ฐ๋ค ์ชฝ์ผ๋ก ๊ฐ์๋ก ๊น์ด์ง
+ elevation[iy, max(0,ix-3):min(grid_size,ix+4)] -= depth
+
+ result_type = "๊ฐฏ๋ฒ (Tidal Flat)"
+
+ else:
+ result_type = "ํด์ ์งํ"
+
+ return {
+ 'elevation': elevation,
+ 'type': result_type,
+ 'cliff_retreat': 0, 'platform_width': 0, 'notch_depth': 0
+ }
+
+
+@st.cache_data(ttl=3600)
+def simulate_alluvial_fan(time_years: int, params: dict, grid_size: int = 100):
+ """
+ ์ ์์ง ์๋ฎฌ๋ ์ด์
(Project Genesis Unified Engine)
+ - ํตํฉ ์์ง(EarthSystem)์ ์ฌ์ฉํ์ฌ ์์ฐ์ค๋ฌ์ด ์ ์์ง ํ์ฑ ๊ณผ์ ์ฌํ
+ - ์๋ฅ ์ฐ์ง -> ๊ธ๊ฒฝ์ฌ ๋ณํ๋ถ(Apex) -> ํ์ง ํ์ฐ
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+
+ rows, cols = grid_size, grid_size
+ center = cols // 2
+ apex_row = int(rows * 0.2)
+
+ # 1. ์ด๊ธฐ ์งํ ์ค์ (Scenario Setup)
+ # A. Mountain Zone (Steep)
+ for r in range(apex_row):
+ # 100m -> 50m drop
+ grid.bedrock[r, :] = 100.0 - (r / apex_row) * 50.0
+
+ # B. Plain Zone (Flat)
+ # 50m -> 40m (Very gentle slope)
+ for r in range(apex_row, rows):
+ grid.bedrock[r, :] = 50.0 - ((r - apex_row) / (rows - apex_row)) * 10.0
+
+ # C. Canyon Carving (Channel in Mountain)
+ for r in range(apex_row + 5): # Extend slightly beyond apex
+ for c in range(cols):
+ dist = abs(c - center)
+ width = 3 + (r / apex_row) * 5
+ if dist < width:
+ # V-shape cut
+ depth = 10.0 * (1.0 - dist/width)
+ grid.bedrock[r, c] -= depth
+
+ # Add random noise
+ np.random.seed(42)
+ grid.bedrock += np.random.rand(rows, cols) * 1.0
+ grid.update_elevation()
+
+ # 2. ํตํฉ ์์ง ์ด๊ธฐํ (Unified Engine)
+ engine = EarthSystem(grid)
+
+ # 3. ์๋ฎฌ๋ ์ด์
์ค์ (Config)
+ # K๊ฐ์ ๋ฎ์ถฐ์ ์ด๋ฐ ๋ฅ๋ ฅ(Capacity)์ ์ค์ -> ํ์ง์์ ํด์ ์ ๋
+ engine.erosion.K = 0.005
+
+ steps = max(50, min(time_years // 100, 200))
+ sediment_supply = params.get('sediment', 0.5) * 1000.0 # ํด์ ๋ฌผ ๊ณต๊ธ๋ ๋ํญ ์ฆ๊ฐ
+
+ # Settings for the Engine
+ settings = {
+ 'precipitation': 0.0,
+ 'rain_source': (0, center, 5, 50.0), # ๊ฐ์๋ ์ฆ๊ฐ
+ 'sediment_source': (apex_row, center, 2, sediment_supply),
+ 'diffusion_rate': 0.1 # ํ์ฐ ํ์ฑํ (๋ถ์ฑ๊ผด ํ์ฑ ๋์)
+ }
+
+ # 4. ์์ง ๊ตฌ๋ (The Loop)
+ for i in range(steps):
+ engine.step(dt=1.0, settings=settings)
+
+ # 5. ๊ฒฐ๊ณผ ๋ฐํ
+ engine.get_state() # Update grid state one last time
+
+ # Calculate metrics
+ fan_mask = grid.sediment > 1.0
+ area = np.sum(fan_mask) * (cell_size**2) / 1e6
+ radius = np.sqrt(area * 1e6 / np.pi) * 2 if area > 0 else 0
+
+ # Debug Info
+ sed_max = grid.sediment.max()
+
+ return {
+ 'elevation': grid.elevation,
+ 'water_depth': grid.water_depth,
+ 'sediment': grid.sediment, # Explicit return for visualization
+ 'area': area,
+ 'radius': radius,
+ 'debug_sed_max': sed_max,
+ 'debug_steps': steps
+ }
+
+
+@st.cache_data(ttl=3600)
+def simulate_river_terrace(time_years: int, params: dict, grid_size: int = 100):
+ """ํ์๋จ๊ตฌ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง ์ ์ฉ)"""
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ (V์๊ณก ์ ์ฌ)
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+
+ rows, cols = grid_size, grid_size
+ center = cols // 2
+
+ # ์ด๊ธฐ: ๋์ ๋ฒ๋์์ด ์๋ U์๊ณก ํํ
+ for r in range(rows):
+ grid.bedrock[r, :] = 150.0 - (r/rows)*20.0 # ์๋งํ ํ๋ฅ ๊ฒฝ์ฌ
+
+ for c in range(cols):
+ dist = abs(c - center)
+ # ๋์ ํ๊ณก (200m)
+ if dist < 100:
+ grid.bedrock[:, c] -= 20.0
+ else:
+ # ์์ชฝ ์ธ๋
+ grid.bedrock[:, c] += (dist - 100) * 0.2
+
+ grid.update_elevation()
+
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid, K=0.001)
+
+ uplift_rate = params.get('uplift', 0.5) * 0.1 # ์ต๊ธฐ ์๋
+ n_terraces = int(params.get('n_terraces', 3))
+
+ # ์ฌ์ดํด ๊ณ์ฐ
+ # ํํ ์ํ(๋ฒ๋์ ํ์ฑ) -> ์ต๊ธฐ(ํ๊ฐ) -> ํํ(์ ๋ฒ๋์)
+ total_cycles = n_terraces
+ current_time = 0
+ terrace_heights = []
+
+ # [Optimization] Performance Cap
+ # Avoid excessive loops if time_years is large
+ raw_duration = max(20, time_years // total_cycles)
+ max_duration_per_cycle = 50 # Fixed physics steps per cycle
+
+ # Scale physics parameters to match time scaling
+ time_scale = raw_duration / max_duration_per_cycle
+ dt = 1.0 * time_scale # Increase time step
+
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ํ์๋จ๊ตฌ(Stairs) ํํ ๊ฐ์ + ์ ๋๋ฉ์ด์
์ง์
+
+ # 1. Base U-Valley (Already initialized)
+
+ # 2. Determine Progress based on Time
+ # Assume 1 Terrace takes 20,000 years to form fully (Uplift + Incision)
+ years_per_cycle = 20000
+
+ # Calculate how many cycles are completed at current time
+ cycle_progress_float = time_years / years_per_cycle
+
+ completed_cycles = int(cycle_progress_float)
+ current_fraction = cycle_progress_float - completed_cycles
+
+ # Cap at n_terraces
+ if completed_cycles > n_terraces:
+ completed_cycles = n_terraces
+ current_fraction = 0.0
+
+ if completed_cycles == n_terraces:
+ current_fraction = 0.0 # Fully done
+
+ level_step = 20.0
+
+ # 3. Simulate Logic
+ # Run fully completed cycles first
+ for cycle in range(completed_cycles):
+ if cycle >= n_terraces: break
+
+ # A. Uplift (Full)
+ grid.bedrock += 10.0 * uplift_rate
+
+ # B. Incision (Full)
+ current_width = 100 - cycle * 20
+ for c in range(cols):
+ dist = abs(c - center)
+ if dist < current_width:
+ grid.bedrock[:, c] -= 15.0
+
+ # Record height
+ mid_elev = grid.bedrock[rows//2, center]
+ terrace_heights.append(mid_elev)
+
+ # Run current partial cycle (Animation effect)
+ if completed_cycles < n_terraces:
+ cycle = completed_cycles
+
+ # A. Partial Uplift
+ # Uplift happens gradually or triggered?
+ # Let's say Uplift scales with fraction
+ grid.bedrock += 10.0 * uplift_rate * current_fraction
+
+ # B. Partial Incision (Depth or Width?)
+ # Incision depth scales with fraction
+ current_width = 100 - cycle * 20
+ incision_depth = 15.0 * current_fraction
+
+ for c in range(cols):
+ dist = abs(c - center)
+ if dist < current_width:
+ grid.bedrock[:, c] -= incision_depth
+
+ # C. Smoothing (Physics Texture)
+ erosion.hillslope_diffusion(dt=5.0)
+
+ # [Fix] Water Depth
+ water_depth = np.zeros_like(grid.elevation)
+ center_c = cols // 2
+ # Determine current river width at bottom
+ # Just use a visual width
+ river_w = 10
+ water_depth[:, center_c-river_w:center_c+river_w] = 5.0
+
+ return {'elevation': grid.elevation, 'n_terraces': n_terraces, 'heights': terrace_heights, 'water_depth': water_depth}
+
+
+@st.cache_data(ttl=3600)
+def simulate_stream_piracy(time_years: int, params: dict, grid_size: int = 100):
+ """ํ์ฒ์ํ ์๋ฎฌ๋ ์ด์
- ๊ต๊ณผ์์ ์ด์์ ๋ชจ์ต"""
+
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # ๊ธฐ๋ณธ ์งํ: ๊ฒฝ์ฌ๋ฉด (์๋ฅ๊ฐ ๋์)
+ elevation = 150 - Y * 0.1
+
+ # ๋ถ์๋ น (๋ ํ์ฒ ์ฌ์ด์ ๋ฅ์ )
+ ridge_x = 500
+ ridge = 20 * np.exp(-((X - ridge_x)**2) / (80**2))
+ elevation += ridge
+
+ # ํ์ฒ ๊ณ๊ณก ํ์ฑ
+ # ํผํํ์ฒ (์ข์ธก, ์ฝํ ์นจ์๋ ฅ) - Y๋ฐฉํฅ์ผ๋ก ํ๋ฆ
+ river1_x = 300
+ river1_valley = 30 * np.exp(-((X - river1_x)**2) / (40**2))
+ elevation -= river1_valley
+
+ # ์ํํ์ฒ (์ฐ์ธก, ๊ฐํ ์นจ์๋ ฅ) - ๋ ๊น์ ๊ณ๊ณก
+ river2_x = 700
+ erosion_diff = params.get('erosion_diff', 0.7)
+ river2_depth = 50 * erosion_diff
+ river2_valley = river2_depth * np.exp(-((X - river2_x)**2) / (50**2))
+ elevation -= river2_valley
+
+ dt = 100
+ steps = max(1, time_years // dt)
+
+ captured = False
+ capture_time = 0
+ elbow_point = None
+
+ # ๋๋ถ์นจ์ ์งํ (Process Visualization)
+ headcut_progress = min(steps * erosion_diff * 3, 200) # ์ต๋ 200m ์งํ
+
+ # ์ํ ์ ์ด๋ผ๋ ์นจ์๊ณก์ด ๋ถ์๋ น ์ชฝ์ผ๋ก ํ๊ณ ๋๋ ๊ณผ์ ์๊ฐํ
+ # ์ํํ์ฒ(river2)์์ ๋ถ์๋ น(ridge) ์ชฝ์ผ๋ก ์นจ์ ์งํ
+ # River2 X=700 -> Ridge X=500. Headcut moves Left.
+ current_head_x = river2_x - headcut_progress # 700 - progress
+
+ # ์นจ์ ์ฑ๋ ์์ฑ (Progressive Channel)
+ # 700์์ current_head_x๊น์ง ํ๋
+ if headcut_progress > 0:
+ # Y ์์น๋ 400 (elbow_point ์์ ์ง)
+ erosion_y = 400
+ # X range: current_head_x ~ 700
+
+ # Grid iterate or vector ops? Vector ops easier.
+ # Create a channel mask
+ channel_len = headcut_progress
+ # Gaussian profile along Y, Linear along X?
+
+ # X: current_head_x to 700
+ # We carve a path
+ eroding_mask_x = (X > current_head_x) & (X < 700)
+ eroding_mask_y = np.abs(Y - erosion_y) < 30
+
+ # Depth tapers at the head
+ dist_from_start = (700 - X)
+ depth_profile = river2_depth * 0.8 # Base depth
+
+ # Apply erosion
+ mask = eroding_mask_x & eroding_mask_y
+ elevation[mask] -= depth_profile * np.exp(-(Y[mask]-erosion_y)**2 / 20**2)
+
+ if headcut_progress > 150: # ๋ถ์๋ น์ ๋์ด ์ํ ๋ฐ์ (150m is dist to ridge zone)
+ captured = True
+ capture_time = int(150 / (erosion_diff * 3) * dt)
+ elbow_point = (ridge_x - 50, 400) # ๊ตด๊ณก์ ์์น
+
+ # ์ํ ํ ์งํ ๋ณํ (์์ ์ฐ๊ฒฐ)
+ # 1. ์ํํ์ฒ์ด ๋ถ์๋ น์ ํ๊ณ ํผํํ์ฒ ์๋ฅ์ ์ฐ๊ฒฐ
+ # Already partially done by progressive erosion, but let's connect fully
+ capture_zone_x = np.linspace(river1_x, current_head_x, 50) # Connect remaining gap
+ capture_zone_y = 400
+ for cx in capture_zone_x:
+ mask = ((X - cx)**2 + (Y - capture_zone_y)**2) < 30**2
+ elevation[mask] -= river2_depth * 0.8
+
+ # 2. ํผํํ์ฒ ์๋ฅ โ ์ํํ์ฒ์ผ๋ก ์ ์
(์ง๊ฐ ๊ตด๊ณก)
+ for j in range(grid_size):
+ if Y[j, 0] < capture_zone_y: # ์๋ฅ ๋ถ๋ถ
+ # ํผํํ์ฒ ์๋ฅ๋ ๊ทธ๋๋ก
+ pass
+ else: # ํ๋ฅ ๋ถ๋ถ - ์ ๋ ๊ฐ์๋ก ์์์ง
+ mask = np.abs(X[j, :] - river1_x) < 40
+ elevation[j, mask] += 15 # ํ๊ฐญ ํ์ฑ (๊ฑด์ฒํ)
+
+ # 3. ํ๊ฐญ ํ์ (๋ง๋ฅธ ๊ณ๊ณก)
+ wind_gap_y = capture_zone_y + 50
+ wind_gap_mask = (np.abs(X - river1_x) < 30) & (np.abs(Y - wind_gap_y) < 50)
+ elevation[wind_gap_mask] = elevation[wind_gap_mask].mean() # ํํํ
+
+ # [Fix] Water Depth Calculation for Visualization
+ water_depth = np.zeros_like(elevation)
+
+ # 1. River 2 (Capturing Stream) - Always flowing
+ # Valley mask
+ # X > 550, Y > 0. Roughly.
+ # Actually use analytic distance check
+ dist_r2 = np.abs(X - river2_x)
+ # Head ward erosion channel
+ head_mask = (X > current_head_x) & (X < 700) & (np.abs(Y - 400) < 20)
+
+ r2_mask = (dist_r2 < 40) | head_mask
+ water_depth[r2_mask] = 3.0 # Deep water
+
+ # 2. River 1 (Victim Stream)
+ if not captured:
+ # Full flow
+ dist_r1 = np.abs(X - river1_x)
+ r1_mask = dist_r1 < 30
+ water_depth[r1_mask] = 3.0
+ else:
+ # Captured!
+ capture_y = 400
+ # Upstream (Y < capture_y) -> Flows to River 2
+ # Connect to R2
+ dist_r1_upper = np.abs(X - river1_x)
+ r1_upper_mask = (dist_r1_upper < 30) & (Y < capture_y)
+ water_depth[r1_upper_mask] = 3.0
+
+ # Connection channel
+ conn_mask = (X > river1_x) & (X < current_head_x) & (np.abs(Y - capture_y) < 20)
+ water_depth[conn_mask] = 3.0
+
+ # Downstream (Y > capture_y) -> Dry (Wind Gap)
+ # Maybe small misfit stream?
+ dist_r1_lower = np.abs(X - river1_x)
+ r1_lower_mask = (dist_r1_lower < 20) & (Y > capture_y + 50) # Skip wind gap
+ water_depth[r1_lower_mask] = 0.5 # Misfit stream (shallow)
+
+
+ return {
+ 'elevation': elevation,
+ 'captured': captured,
+ 'capture_time': capture_time if captured else None,
+ 'elbow_point': elbow_point,
+ 'water_depth': water_depth
+ }
+
+
+@st.cache_data(ttl=3600)
+def simulate_entrenched_meander(time_years: int, params: dict, grid_size: int = 100):
+ """
+ ๊ฐ์
๊ณก๋ฅ ์๋ฎฌ๋ ์ด์
(Process-Based)
+ - Kinoshita Curve๋ก ๊ณก๋ฅ ํ์ฑ -> ์ง๋ฐ ์ต๊ธฐ -> ํ๋ฐฉ ์นจ์(Incision)
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # 1. ์ด๊ธฐ ์งํ ๋ฐ ๊ฒฝ๋ก ์์ฑ (Kinoshita Curve - simulate_meander์ ๋์ผ ๋ก์ง)
+ # ์ต๊ธฐ ์ ์ ํํํ ๋ฒ๋์
+ grid.bedrock[:] = 50.0
+
+ # Kinoshita Path Generation
+ n_points = 1000
+ s = np.linspace(0, 20, n_points)
+
+ # ์ฑ์ํ ๊ณก๋ฅ (High amplitude)
+ theta_0 = 1.8
+ flattening = 0.2
+
+ theta = theta_0 * np.sin(s) + (theta_0 * flattening) * np.sin(3 * s)
+ dx = np.cos(theta)
+ dy = np.sin(theta)
+ x = np.cumsum(dx)
+ y = np.cumsum(dy)
+
+ # Rotate & Scale
+ angle = np.arctan2(y[-1] - y[0], x[-1] - x[0])
+ rot_mat = np.array([[np.cos(-angle), -np.sin(-angle)],[np.sin(-angle), np.cos(-angle)]])
+ coords = np.vstack([x, y])
+ rotated = rot_mat @ coords
+ px = rotated[0, :]
+ py = rotated[1, :]
+
+ # Normalize
+ margin = 100
+ p_width = px.max() - px.min()
+ if p_width > 0:
+ scale = (1000 - 2*margin) / p_width
+ px = (px - px.min()) * scale + margin
+ py = py * scale
+ py = py - py.mean() + 500
+
+ # Slope terrain along X (since we rotated current to X-axis in Kinoshita logic above)
+ # Check px direction. px increases index 0->end.
+ # So Flow is West -> East (Left -> Right).
+ # Add Slope W->E
+ Y, X = np.meshgrid(np.linspace(0, 1000, rows), np.linspace(0, 1000, cols))
+ grid.bedrock[:] = 50.0 - (X / 1000.0) * 10.0 # 10m drop
+
+ # 2. ํ์ฒ ๊ฒฝ๋ก ๋ง์คํฌ ์์ฑ
+ river_mask = np.zeros((rows, cols), dtype=bool)
+ channel_width = 30.0 # m
+
+ # Draw channel
+ # Pre-calculate cells in channel to speed up loop
+ for k in range(n_points):
+ cx, cy = px[k], py[k]
+ c_idx = int(cx / cell_size)
+ r_idx = int(cy / cell_size)
+
+ radius_cells = int(channel_width / cell_size / 2) + 1
+ for dr in range(-radius_cells, radius_cells + 1):
+ for dc in range(-radius_cells, radius_cells + 1):
+ rr, cc = r_idx + dr, c_idx + dc
+ if 0 <= rr < rows and 0 <= cc < cols:
+ dist = np.sqrt((rr*cell_size - cy)**2 + (cc*cell_size - cx)**2)
+ if dist < channel_width/2:
+ river_mask[rr, cc] = True
+
+ # 3. ์ต๊ธฐ ๋ฐ ์นจ์ ์๋ฎฌ๋ ์ด์
+ uplift_rate = params.get('uplift', 0.5) * 0.01 # m/year -> scale down for sim step
+ incision_power = 1.2 # ์นจ์๋ ฅ์ด ์ต๊ธฐ๋ณด๋ค ๊ฐํด์ผ ํ์
+
+ steps = max(50, min(time_years // 100, 300))
+ dt = 10.0
+
+ incision_type = params.get('incision_type', 'U') # U (Ingrown) or V (Entrenched)
+
+ for i in range(steps):
+ # Uplift entire terrain
+ grid.bedrock += uplift_rate * dt
+ # Maintain slope? Uplift is uniform. Slope is preserved.
+
+ # Channel Incision (Erosion)
+ current_incision = uplift_rate * dt * incision_power
+
+ # Apply incision to channel
+ grid.bedrock[river_mask] -= current_incision
+
+ # Slope Evolution (Diffusion)
+ diff_k = 0.01 if incision_type == 'V' else 0.05
+ grid.update_elevation()
+ erosion = ErosionProcess(grid)
+ erosion.hillslope_diffusion(dt=dt * diff_k)
+
+ # 4. ๊ฒฐ๊ณผ ์ ๋ฆฌ
+ grid.update_elevation()
+
+ # Calculate depth
+ max_elev = grid.elevation.max()
+ min_elev = grid.elevation[river_mask].mean()
+ depth = max_elev - min_elev
+
+ type_name = "์ฐฉ๊ทผ ๊ณก๋ฅ (Ingrown)" if incision_type == 'U' else "๊ฐ์
๊ณก๋ฅ (Entrenched)"
+
+ # [Fix] Water Depth using HydroKernel
+ # Add source at left
+ precip = np.zeros((rows, cols))
+ # Find start
+ start_idx = np.argmin(px)
+ sx, sy = px[start_idx], py[start_idx]
+ sr, sc = int(sy/cell_size), int(sx/cell_size)
+ if 0 <= sr < rows and 0 <= sc < cols:
+ precip[sr-2:sr+3, sc-2:sc+3] = 50.0
+
+ hydro = HydroKernel(grid)
+ discharge = hydro.route_flow_d8(precipitation=precip)
+ water_depth = np.log1p(discharge) * 0.5
+ water_depth[water_depth < 0.1] = 0
+
+ return {'elevation': grid.elevation, 'depth': depth, 'type': type_name, 'water_depth': water_depth}
+
+
+@st.cache_data(ttl=3600)
+def simulate_waterfall(time_years: int, params: dict, grid_size: int = 100):
+ """
+ ํญํฌ ์๋ฎฌ๋ ์ด์
(Process-Based)
+ - ๋๋ถ ์นจ์(Headward Erosion) ์๋ฆฌ ๊ตฌํ
+ - ๊ธ๊ฒฝ์ฌ(ํญํฌ) -> ๊ฐํ ์ ๋จ๋ ฅ -> ์นจ์ -> ์๋ฅ๋ก ํํด
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # 1. ์ด๊ธฐ ์งํ: ๋จ๋จํ ๊ธฐ๋ฐ์ ์ ๋ฒฝ
+ center = cols // 2
+
+ # ์๋ฅ (100m) -> ํ๋ฅ (0m)
+ # ์ ๋ฒฝ ์์น: ์ค์
+ cliff_pos = 500
+
+ Y, X = np.meshgrid(np.linspace(0, 1000, rows), np.linspace(0, 1000, cols))
+
+ grid.bedrock[:] = 100.0
+ grid.bedrock[Y >= cliff_pos] = 20.0 # Downstream base level
+
+ # Slope face
+ slope_mask = (Y >= cliff_pos-20) & (Y < cliff_pos+20)
+ # Linear ramp for stability initially
+ grid.bedrock[slope_mask] = 100.0 - (Y[slope_mask] - (cliff_pos-20))/40.0 * 80.0
+
+ # Pre-carve channel to guide water
+ grid.bedrock[:, center-5:center+5] -= 2.0
+
+ grid.update_elevation()
+
+ # 2. ๋ฌผ๋ฆฌ ํฉํฐ
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid, K=0.1) # K very high for noticeable retreat
+
+ retreat_k = params.get('retreat_rate', 0.5) * 5.0 # retreat multiplier
+
+ steps = max(50, min(time_years // 100, 300))
+ dt = 1.0
+
+ # Track position
+ initial_knickpoint = cliff_pos
+ current_knickpoint = cliff_pos
+
+ for i in range(steps):
+ # Flow
+ precip = np.zeros((rows, cols))
+ precip[0:5, center-5:center+5] = 20.0 # Upstream flow source
+
+ discharge = hydro.route_flow_d8(precipitation=precip)
+
+ # Erosion (Stream Power)
+ # E = K * A^m * S^n
+ # Waterfall face has huge S -> Huge E
+
+ # To simulate retreat, we need significant erosion at the knickpoint
+ # We modify K locally based on params
+ # Or just let standard Stream Power do it?
+ # Standard SP might smooth the slope rather than maintain a cliff.
+ # "Parallel Retreat" requires a cap rock mechanism (hard layer over soft layer).
+
+ # Let's simulate Cap Rock simple logic:
+ # Erosion only effective if slope > critical
+
+ # Calculate Slope (Magnitude)
+ grad_y, grad_x = np.gradient(grid.elevation)
+ slope = np.sqrt(grad_y**2 + grad_x**2)
+
+ # Enhanced erosion at steep slopes (Face)
+ cliff_mask = slope > 0.1
+
+ # Apply extra erosion to cliff face to simulate undercutting/retreat
+ # Erosion proportional to water flux * slope
+ # K_eff = K * retreat_k
+
+ eroded_depth = discharge * slope * retreat_k * dt * 0.05
+
+ grid.bedrock[cliff_mask] -= eroded_depth[cliff_mask]
+
+ # Flattening prevention (maintain cliff)
+ # If lower part erodes, upper part becomes unstable -> discrete collapse
+ # Simple simulation: Smoothing? No, simplified retreat
+
+ # Just pure erosion usually rounds it.
+ # Let's rely on the high K on the face.
+
+ grid.update_elevation()
+ erosion.hillslope_diffusion(dt=dt*0.1) # Minimal diffusion to keep sharpness
+
+ # 3. ๊ฒฐ๊ณผ ๋ถ์
+ # ์นจ์์ด ๊ฐ์ฅ ๋ง์ด ์ผ์ด๋ ์ง์ ์ฐพ๊ธฐ (Steepest slope upstream)
+ grad_y, grad_x = np.gradient(grid.elevation)
+ slope = np.sqrt(grad_y**2 + grad_x**2)
+ # Find max slope index along river profile
+ profile_slope = slope[:, center]
+ # Find the peak slope closest to upstream
+ peaks = np.where(profile_slope > 0.05)[0]
+ if len(peaks) > 0:
+ current_knickpoint = peaks.min() * cell_size
+ else:
+ current_knickpoint = 1000 # Eroded away?
+
+ retreat_amount = current_knickpoint - initial_knickpoint # Should be negative (moves up = smaller Y)
+ # But wait, Y increases downstream?
+ # Y=0 (Upstream), Y=1000 (Downstream).
+ # Cliff at 500. Upstream is 0-500.
+ # Retreat means moving towards 0.
+ # So current should be < 500.
+
+ total_retreat = abs(500 - current_knickpoint)
+
+ # [Fix] Water Depth
+ precip = np.zeros((rows, cols))
+ precip[0:5, center-5:center+5] = 10.0
+ discharge = hydro.route_flow_d8(precipitation=precip)
+ water_depth = np.log1p(discharge) * 0.5
+
+ # Plunge pool depth?
+ # Add fake pool depth if slope is high
+ water_depth[slope > 0.1] += 2.0
+
+ return {'elevation': grid.elevation, 'retreat': total_retreat, 'water_depth': water_depth}
+
+@st.cache_data(ttl=3600)
+def simulate_braided_stream(time_years: int, params: dict, grid_size: int = 100):
+ """๋ง์ ํ์ฒ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง ์ ์ฉ)"""
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ
+ # ๋๊ณ ํํํ ํ๊ณก
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+
+ rows, cols = grid_size, grid_size
+
+ # ๊ธฐ๋ณธ ๊ฒฝ์ฌ (๋ถ -> ๋จ)
+ for r in range(rows):
+ grid.bedrock[r, :] = 100.0 - (r / rows) * 10.0 # 100m -> 90m (์๊ฒฝ์ฌ)
+
+ # ํ๊ณก (Valley) ํ์ฑ - ์์ชฝ์ด ๋์
+ center = cols // 2
+ for c in range(cols):
+ dist = abs(c - center)
+ # 800m ํญ์ ๋์ ๊ณ๊ณก
+ if dist > 20:
+ grid.bedrock[:, c] += (dist - 20) * 0.5
+
+ # ๋๋ค ๋
ธ์ด์ฆ (์ ๋ก ํ์ฑ์ ์ํ ๋ถ๊ท์น์ฑ)
+ np.random.seed(42)
+ grid.bedrock += np.random.rand(rows, cols) * 1.5
+ grid.update_elevation()
+
+ # 2. ์์ง
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid, K=0.05, m=1.0, n=1.0) # K Increased
+
+ # ํ๋ผ๋ฏธํฐ
+ n_channels = int(params.get('n_channels', 5)) # ์
๋ ฅ ์ ๋์ ๋ถ์ฐ ์ ๋?
+ sediment_load = params.get('sediment', 0.5) * 200.0 # ํด์ ๋ฌผ ๊ณต๊ธ๋
+
+ dt = 1.0
+ steps = 100
+
+ for i in range(steps):
+ # ๋ณ๋ํ๋ ์ ๋ (Braiding ์ ๋ฐ)
+ # ์๊ฐ/๊ณต๊ฐ์ ์ผ๋ก ๋ณํ๋ ๊ฐ์
+ precip = np.random.rand(rows, cols) * 0.1 + 0.01 # Noise Increased
+
+ discharge = hydro.route_flow_d8(precipitation=precip)
+
+ # ์๋ฅ ์ ์
(ํด์ ๋ฌผ ๊ณผ๋ถํ)
+ # ์๋ฅ ์ค์๋ถ์ ๋ฌผ๊ณผ ํด์ ๋ฌผ ์์๋ถ์
+ inflow_width = max(3, n_channels * 2)
+ grid.sediment[0:2, center-inflow_width:center+inflow_width] += sediment_load * dt * 0.1
+ discharge[0:2, center-inflow_width:center+inflow_width] += 100.0 # ๊ฐํ ์ ๋
+
+ # ์นจ์ ๋ฐ ํด์
+ erosion.simulate_transport(discharge, dt=dt)
+
+ # ์ธก๋ฐฉ ์นจ์ ํจ๊ณผ (Banks collapse) - ๋จ์ ํ์ฐ์ผ๋ก ๊ทผ์ฌ
+ # ๋ง์ํ์ฒ์ ํ์์ด ๋ถ์์ ํจ
+ erosion.hillslope_diffusion(dt=dt * 0.1) # Diffusion Decreased (Sharper)
+
+ # [Fix] Water Depth
+ # Use flow accumulation to show braided channels
+ precip = np.ones((rows, cols)) * 0.01
+ inflow_width = max(3, n_channels * 2)
+ precip[0:2, center-inflow_width:center+inflow_width] += 50.0 # Source
+
+ discharge = hydro.route_flow_d8(precipitation=precip)
+ water_depth = np.log1p(discharge) * 0.3
+ water_depth[water_depth < 0.2] = 0 # Filter shallow flow
+
+ return {'elevation': grid.elevation, 'type': "๋ง์ ํ์ฒ (Braided)", 'water_depth': water_depth}
+
+@st.cache_data(ttl=3600)
+def simulate_levee(time_years: int, params: dict, grid_size: int = 100):
+ """
+ ์์ฐ์ ๋ฐฉ ๋ฐ ๋ฐฐํ์ต์ง ์๋ฎฌ๋ ์ด์
(Process-Based)
+ - ํ์ ๋ฒ๋ ์ ์๋ก ์ฃผ๋ณ์ ์ ์ ๊ฐ์ -> ํด์ (์์ฐ์ ๋ฐฉ)
+ - ์๋ก์์ ๋ฉ์ด์ง์๋ก ๋ฏธ๋ฆฝ์ง ํด์ -> ๋ฐฐํ์ต์ง
+ """
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # 1. ์ด๊ธฐ ์งํ: ํํํ ๋ฒ๋์ + ์ค์ ์๋ก
+ grid.bedrock[:] = 50.0
+ center_c = cols // 2
+
+ # Simple straight channel
+ channel_width_cells = 3
+ for c in range(center_c - channel_width_cells, center_c + channel_width_cells + 1):
+ grid.bedrock[:, c] -= 5.0 # Channel depth
+
+ grid.update_elevation()
+
+ # 2. ๋ฌผ๋ฆฌ ํ๋ก์ธ์ค
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid)
+
+ flood_freq = params.get('flood_freq', 0.5)
+ flood_magnitude = 10.0 + flood_freq * 20.0 # Flood height
+
+ steps = max(50, min(time_years // 100, 300))
+ dt = 1.0
+
+ # Sediment concentration in flood water
+ sediment_load = 0.5
+
+ # 3. ํ์ ์๋ฎฌ๋ ์ด์
๋ฃจํ
+ # ๋งค ์คํ
๋ง๋ค ํ์๊ฐ ๋๋ ๊ฒ์ ์๋์ง๋ง, ์๋ฎฌ๋ ์ด์
์์ผ๋ก๋ ํด์ ๋์ ์ ๊ณ์ฐ
+ # Simplified Model:
+ # Water Level rises -> Spreads sediment from channel -> Deposits close to bank
+
+ # Using 'diffusion' logic for suspended sediment
+ # Channel has high concentration (C=1). Floodplain has C=0 initially.
+ # Diffusion spreads C outwards.
+ # Deposition rate proportional to C.
+
+ # Or simplified physics:
+ # 1. Raise water level globally (Flood)
+ # 2. Add sediment source at channel
+ # 3. Diffuse sediment
+ # 4. Deposit
+
+ sediment_map = np.zeros((rows, cols)) # Instantaneous sediment in water
+
+ for i in range(steps):
+ # Flood Event
+ # Source at channel
+ sediment_map[:, center_c-channel_width_cells:center_c+channel_width_cells+1] = sediment_load
+
+ # Diffusion of sediment (Turbulent mixing)
+ # Using a gaussian or neighbor averaging loop is slow in Python.
+ # Use erosion.hillslope_diffusion trick on the sediment_map? No, that's for elevation.
+ # Simple Numpy diffusion:
+
+ # Lateral diffusion
+ for _ in range(5): # Diffusion steps per flood
+ sediment_map[:, 1:-1] = 0.25 * (sediment_map[:, :-2] + 2*sediment_map[:, 1:-1] + sediment_map[:, 2:])
+
+ # Deposition
+ # Deposit fraction of suspended sediment to ground
+ deposit_rate = 0.1 * dt
+ deposition = sediment_map * deposit_rate
+
+ # Don't deposit inside channel (kept clear by flow)
+ # Or deposit less? Natural levees form at bank, not bed.
+ # Bed is scoured.
+
+ # Mask channel
+ channel_mask = (grid.bedrock[:, center_c] < 46.0) # Check depth
+ # Better: use index
+ channel_indices = slice(center_c-channel_width_cells, center_c+channel_width_cells+1)
+ deposition[:, channel_indices] = 0
+
+ grid.sediment += deposition
+
+ # [Fix] Backswamp Water
+ # Low lying areas far from river might retain water if we simulated rain
+ # But here we just simulating formation.
+
+ # Raise channel bed slightly? No.
+
+ grid.update_elevation()
+
+ # Calculate Levee Height
+ levee_height = grid.sediment.max()
+
+ # [Fix] Water Depth
+ water_depth = np.zeros_like(grid.elevation)
+ water_depth[:, center_c-channel_width_cells:center_c+channel_width_cells+1] = 4.0 # Bankfull
+
+ # Backswamp water
+ # Areas where sediment is low (far away) -> Water table is close
+ # Visualize swamp
+ max_sed = grid.sediment.max()
+ swamp_mask = (grid.sediment < max_sed * 0.2) & (np.abs(np.arange(cols) - center_c) > 20)
+ water_depth[swamp_mask] = 0.5 # Shallow water
+
+ return {'elevation': grid.elevation, 'levee_height': levee_height, 'water_depth': water_depth}
+
+
+@st.cache_data(ttl=3600)
+def simulate_karst(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """์นด๋ฅด์คํธ ์งํ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง ์ ์ฉ - ํํ์ ์ฉ์)"""
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ (์ํ์ ๋์ง)
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # ํํํ ๊ณ ์ (100m)
+ grid.bedrock[:] = 100.0
+ # ์ฝ๊ฐ์ ๋ถ๊ท์น์ฑ (์ฉ์ ์์์ )
+ np.random.seed(42)
+ grid.bedrock += np.random.rand(rows, cols) * 2.0
+ grid.update_elevation()
+
+ # 2. ์์ง
+ hydro = HydroKernel(grid)
+ erosion = ErosionProcess(grid) # ๋ฌผ๋ฆฌ์ ์นจ์์ ๋ฏธ๋ฏธํจ
+
+ co2 = params.get('co2', 0.5) # ์ฉ์ ํจ์จ
+ rainfall = params.get('rainfall', 0.5) # ๊ฐ์๋
+
+ # ํํ์ ์ฉ์ ๊ณ์
+ dissolution_rate = 0.05 * co2
+
+ dt = 1.0
+ steps = 100
+
+ # ๋๋ฆฌ๋ค ์ด๊ธฐ ์จ์ (Weak spots)
+ n_seeds = 5 + int(co2 * 5)
+ seeds = [(np.random.randint(10, rows-10), np.random.randint(10, cols-10)) for _ in range(n_seeds)]
+
+ for cx, cy in seeds:
+ # ์ด๊ธฐ ํจ๋ชฐ
+ grid.bedrock[cx, cy] -= 5.0
+
+ grid.update_elevation()
+
+ for i in range(steps):
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ๋๋ฆฌ๋ค(Doline) ํํ ๊ฐ์ (Round Depression)
+
+ # 1. Physics (Dissolution) - keep it mostly for creating the *seeds*
+ # But force the shape to be round
+
+ # Aggressive deepening at seeds
+ for cx, cy in seeds:
+ Y, X = np.ogrid[:grid_size, :grid_size]
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+
+ # Bowl shape
+ # depth increases with time
+ current_depth = (i / steps) * 30.0 * co2
+ radius = 5.0 + (i/steps)*5.0
+
+ mask = dist < radius
+ depression = current_depth * (1.0 - (dist[mask]/radius)**2)
+
+ # Apply max depth (don't double dip if overlapping)
+ # We want to subtract.
+ # grid.bedrock[mask] = min(grid.bedrock[mask], 100.0 - depression)
+ # Simpler: subtract increment
+
+ # Re-implement: Just carve analytical bowls at the END?
+ # No, iterative is better for animation.
+ pass
+
+ # Finalize Shape (Force Round Bowls)
+ # [Fix] Scale evolution by time
+ evolution = min(1.0, time_years / 50000.0)
+
+ for cx, cy in seeds:
+ Y, X = np.ogrid[:grid_size, :grid_size]
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+
+ # Grow radius and depth
+ radius = 3.0 + 7.0 * evolution # 3m -> 10m
+ mask = dist < radius
+
+ # Ideal Bowl
+ depth = 20.0 * co2 * evolution
+ profile = 100.0 - depth * (1.0 - (dist/radius)**2)
+ grid.bedrock = np.where(mask, np.minimum(grid.bedrock, profile), grid.bedrock)
+
+ # U-Valley or Karst Valley?
+ # Just Dolines for now.
+
+ max_depth = 100.0 - grid.bedrock.min()
+ return {'elevation': grid.bedrock, 'depth': max_depth, 'n_dolines': n_seeds}
+
+@st.cache_data(ttl=3600)
+def simulate_tower_karst(time_years: int, params: dict, grid_size: int = 100):
+ """ํ ์นด๋ฅด์คํธ ์๋ฎฌ๋ ์ด์
- ์ฐจ๋ณ ์ฉ์"""
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ํ ์นด๋ฅด์คํธ (Steep Towers) ๊ฐ์
+
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+
+ # 1. Base Plain
+ grid.bedrock[:] = 20.0
+
+ # 2. Towers (Random distribution but sharp)
+ np.random.seed(99)
+ n_towers = 15
+ centers = [(np.random.randint(10, 90), np.random.randint(10, 90)) for _ in range(n_towers)]
+
+ Y, X = np.ogrid[:grid_size, :grid_size]
+
+ towers_elev = np.zeros_like(grid.bedrock)
+
+ for cx, cy in centers:
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+ # Tower Shape: Steep sides, rounded top (Sugarloaf)
+ radius = 8.0
+ # [Fix] Towers become more prominent (or surrounding erodes) over time
+ # Assume surrounding erodes, making towers relatively higher?
+ # Or assume towers grow? Simulation subtracts from 20m plane?
+ # Ah, sim adds `towers_elev` to `grid.bedrock`.
+ # Let's scale height.
+ evolution = min(1.0, time_years / 100000.0)
+
+ target_height = 50.0 + np.random.rand() * 50.0
+ height = target_height * evolution
+
+ # Profile:
+ # if dist < radius: h * exp(...)
+ # make it steeper than gaussian
+ shape = height * (1.0 / (1.0 + np.exp((dist - radius)*1.0)))
+ towers_elev = np.maximum(towers_elev, shape)
+
+ grid.bedrock += towers_elev
+
+ return {'elevation': grid.bedrock, 'type': "ํ ์นด๋ฅด์คํธ (Tower)"}
+
+
+@st.cache_data(ttl=3600)
+def simulate_cave(time_years: int, params: dict, grid_size: int = 100):
+ """์ํ ๋๊ตด ์๋ฎฌ๋ ์ด์
- ์์/์ข
์ ์ ์ฑ์ฅ (๋ฐ๋ฅ๋ฉด ๊ธฐ์ค)"""
+ x = np.linspace(0, 100, grid_size)
+ y = np.linspace(0, 100, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ elevation = np.zeros((grid_size, grid_size))
+
+ # ๋๊ตด ๋ฐ๋ฅ (ํํ)
+
+ # ์์ (Stalagmites) ์ฑ์ฅ
+ # ๋๋ค ์์น์ ์จ์
+ np.random.seed(42)
+ n_stalagmites = 10
+ centers = [(np.random.randint(20, 80), np.random.randint(20, 80)) for _ in range(n_stalagmites)]
+
+ growth_rate = params.get('rate', 0.5)
+
+ steps = max(1, time_years // 100)
+ total_growth = steps * growth_rate * 0.05
+
+ for cx, cy in centers:
+ # ๊ฐ์ฐ์์ ํ์
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+
+ # ์ฑ์ฅ: ๋์ด์ ๋๋น๊ฐ ๊ฐ์ด ์ปค์ง
+ h = total_growth * (0.8 + np.random.rand()*0.4)
+ w = h * 0.3 # ๋พฐ์กฑํ๊ฒ
+
+ shape = h * np.exp(-(dist**2)/(w**2 + 1))
+ elevation = np.maximum(elevation, shape)
+
+ return {'elevation': elevation, 'type': "์ํ๋๊ตด (Cave)"}
+
+
+@st.cache_data(ttl=3600)
+def simulate_volcanic(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """ํ์ฐ ์งํ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง ์ ์ฉ - ์ฉ์ ์ ๋)"""
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+ center = cols // 2
+
+ # ๊ธฐ๋ฐ ์งํ (ํ์ง)
+ grid.bedrock[:] = 50.0
+
+ # 2. ์์ง (์ฉ์ ํ๋ฆ -> HydroKernel ์์ฉ)
+ hydro = HydroKernel(grid)
+ # ์ฉ์์ ๋ฌผ๋ณด๋ค ์ ์ฑ์ด ๋งค์ฐ ๋์ -> ํ์ฐ์ด ์ ์๋๊ณ ์์
+ # ์ฌ๊ธฐ์๋ 'Sediment'๋ฅผ ์ฉ์์ผ๋ก ๊ฐ์ฃผํ์ฌ ์์ด๊ฒ ํจ
+
+ eruption_rate = params.get('eruption_rate', 0.5)
+ lava_viscosity = 0.5 # ์ ์ฑ
+
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ํ์ฐ(Cone/Shield) ํํ ๊ฐ์
+
+ # 1. Ideal Volcano Shape
+ # Cone (Strato) or Dome (Shield)
+
+ Y, X = np.ogrid[:grid_size, :grid_size]
+ # Center
+ cx, cy = grid_size//2, grid_size//2
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+
+ volcano_h = 0.0
+
+ if theory == "shield":
+ # Shield: Wide, gentle slope (Gaussian)
+ volcano_h = 100.0 * np.exp(-(dist**2)/(40**2))
+ elif theory == "strato":
+ # Strato: Steep, concave (Exponential)
+ volcano_h = 150.0 * np.exp(-dist/15.0)
+ elif theory == "caldera":
+ # Caldera: Strato then cut top
+ base_h = 150.0 * np.exp(-dist/15.0)
+ # Cut top (Crater)
+ crater_mask = dist < 20
+ base_h[crater_mask] = 80.0 # Floor
+ # Rim
+ rim_mask = (dist >= 20) & (dist < 25)
+ # Smooth transition is tricky, just hard cut for "Textbook" look
+ volcano_h = base_h
+
+ # Apply to Sediment (Lava)
+ # [Fix] Scale height by time
+ growth = min(1.0, time_years / 50000.0)
+ grid.sediment += volcano_h * growth
+
+ # 2. Add Flow Textures (Physics)
+ hydro = HydroKernel(grid)
+ steps = 50
+ for i in range(steps):
+ # Add slight roughness/flow lines
+ erosion = ErosionProcess(grid)
+ erosion.hillslope_diffusion(dt=1.0)
+
+ # ์ต์ข
์งํ = ๊ธฐ๋ฐ์ + ์ฉ์
+ grid.update_elevation()
+
+ volcano_type = theory.capitalize()
+ height = grid.elevation.max() - 50.0
+
+ return {'elevation': grid.elevation, 'height': height, 'type': volcano_type}
+
+@st.cache_data(ttl=3600)
+def simulate_lava_plateau(time_years: int, params: dict, grid_size: int = 100):
+ """์ฉ์ ๋์ง ์๋ฎฌ๋ ์ด์
- ์ดํ ๋ถ์ถ"""
+ x = np.linspace(-500, 500, grid_size)
+ y = np.linspace(-500, 500, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # ๊ธฐ์กด ์งํ (์ธํ๋ถํํ ์ฐ์ง)
+ elevation = 50 * np.sin(X/100) * np.cos(Y/100) + 20 * np.random.rand(grid_size, grid_size)
+
+ # ์ดํ ๋ถ์ถ (Fissure Eruption)
+ # ์ค์์ ๊ฐ๋ก์ง๋ฅด๋ ํ
+ fissure_width = 10
+ fissure_mask = np.abs(X) < fissure_width
+
+ eruption_rate = params.get('eruption_rate', 0.5)
+ steps = max(1, time_years // 100)
+
+ # ์ฉ์๋ฅ ์ฑ์ฐ๊ธฐ (Flood Fill logic simplified)
+ # ๋ฎ์ ๊ณณ๋ถํฐ ์ฑ์์ ธ์ ํํํด์ง
+
+ total_volume = steps * eruption_rate * 1000
+ current_level = elevation.min()
+
+ # ๊ฐ๋จํ ์์ ์์น ๋ชจ๋ธ (ํํํ)
+ # ์ฉ์์ ์ ๋์ฑ์ด ์ปค์ ์ํ์ ์ ์งํ๋ ค ํจ
+ # [Fix] Scale level by time
+ growth = min(1.0, time_years / 50000.0)
+ target_level = current_level + (total_volume / (grid_size**2) * 2) * growth # ๋๋ต์ ๋์ด ์ฆ๊ฐ
+
+ # ๊ธฐ์กด ์งํ๋ณด๋ค ๋ฎ์ ๊ณณ์ ์ฉ์์ผ๋ก ์ฑ์ (ํํ๋ฉด ํ์ฑ)
+ # But only up to target_level
+ lava_cover = np.maximum(elevation, target_level)
+ # Actually, we should fill ONLY if elevation < target_level
+ # And preserve mountains above target_level
+ # logic: new_h = max(old_h, target_level) is correct for filling valleys
+
+ # ๊ฐ์ฅ์๋ฆฌ๋ ์ฝ๊ฐ ํ๋ฆ (๊ฒฝ์ฌ)
+ dist_from_center = np.abs(X)
+ lava_cover = np.where(dist_from_center < 400, lava_cover, np.minimum(lava_cover, elevation + (lava_cover-elevation)*np.exp(-(dist_from_center-400)/50)))
+
+ return {'elevation': lava_cover, 'type': "์ฉ์ ๋์ง (Lava Plateau)"}
+
+@st.cache_data(ttl=3600)
+def simulate_columnar_jointing(time_years: int, params: dict, grid_size: int = 100):
+ """์ฃผ์์ ๋ฆฌ ์๋ฎฌ๋ ์ด์
- ์ก๊ฐ ๊ธฐ๋ฅ ํจํด"""
+ x = np.linspace(-20, 20, grid_size)
+ y = np.linspace(-20, 20, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # ๊ธฐ๋ณธ ์ฉ์ ๋์ง (ํํ)
+ elevation = np.ones((grid_size, grid_size)) * 100
+
+ # ์ก๊ฐํ ํจํด ์์ฑ (๊ฐ๋จํ ์ํ์ ๊ทผ์ฌ)
+ # Cosine ๊ฐ์ญ์ผ๋ก ๋ฒ์ง ๋ชจ์ ์ ์ฌ ํจํด ์์ฑ
+ scale = 2.0
+ hex_pattern = np.cos(X*scale) + np.cos((X/2 + Y*np.sqrt(3)/2)*scale) + np.cos((X/2 - Y*np.sqrt(3)/2)*scale)
+
+ # ๊ธฐ๋ฅ์ ๋์ด ์ฐจ์ด (ํํ)
+ erosion_rate = params.get('erosion_rate', 0.5)
+ steps = max(1, time_years // 100)
+
+ # [Fix] Scale weathering by time
+ weathering = (steps * erosion_rate * 0.05) * (time_years / 10000.0)
+
+ # ์ ๋ฆฌ(ํ) ๋ถ๋ถ์ ๋ฎ๊ฒ, ๊ธฐ๋ฅ ์ค์ฌ์ ๋๊ฒ
+ # hex_pattern > 0 ์ธ ๋ถ๋ถ์ด ๊ธฐ๋ฅ
+
+ elevation += hex_pattern * 5 # ๊ธฐ๋ฅ ๊ตด๊ณก
+
+ # ์นจ์ ์์ฉ (ํ์ด ๋ ๋ง์ด ๊น์)
+ cracks = hex_pattern < -1.0 # ์ ๋ฆฌ ํ
+ # [Fix] Deepen cracks over time
+ crack_depth = 20 + weathering * 10
+ elevation[cracks] -= crack_depth
+
+ # ์ ์ฒด์ ์ธ ๋จ๋ฉด (ํด์ ์ ๋ฒฝ ๋๋)
+ # Y < 0 ์ธ ๋ถ๋ถ์ ๋ฐ๋ค์ชฝ์ผ๋ก ๊น์
+ cliff_mask = Y < -10
+ elevation[cliff_mask] -= 50
+
+ return {'elevation': elevation, 'type': "์ฃผ์์ ๋ฆฌ (Columnar Jointing)"}
+
+
+@st.cache_data(ttl=3600)
+
+def simulate_glacial(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """๋นํ ์งํ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง - ๋นํ ์นจ์ Q^0.5)"""
+
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ U์๊ณก ํํ๋ฅผ ๊ฐ์ (Template)ํ๊ณ , ๋ฌผ๋ฆฌ ์์ง์ผ๋ก ์ง๊ฐ๋ง ์
ํ
+
+ rows, cols = grid_size, grid_size
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ ice_thickness = params.get('ice_thickness', 1.0)
+
+ # 1. Ideal U-Shape Template
+ center = cols // 2
+ u_width = 30 # Half width
+
+ # [Fix] Time-dependent depth and shape
+ evolution = min(1.0, time_years / 100000.0)
+
+ # ์๊ฐ์ ๋ฐ๋ฅธ ๊น์ด ๋ฐ ๋๋น ์งํ
+ # Ice thickness determines depth
+ target_depth = 200 * ice_thickness * (0.2 + 0.8 * evolution)
+ shape_exp = 1.5 + 2.5 * evolution # Morph from V(1.5) to U(4.0)
+
+ # Create U-profile
+ dist_from_center = np.abs(np.arange(cols) - center)
+
+ # U-Shape function: Flat bottom, steep walls
+ # Profile ~ (x/w)^4
+ normalized_dist = np.minimum(dist_from_center / u_width, 1.5)
+ u_profile = -target_depth * (1.0 - np.power(normalized_dist, shape_exp))
+ u_profile = np.maximum(u_profile, -target_depth) # Cap depth
+
+ # Apply to grid rows
+ # V-valley was initial. We morph V to U.
+ for r in range(rows):
+ # Base slope
+ base_h = 300 - (r/rows)*200
+ grid.bedrock[r, :] = base_h + u_profile
+
+ # 2. Add Physics Detail (Roughness)
+ steps = 50
+ hydro = HydroKernel(grid)
+ grid.update_elevation()
+
+ for i in range(steps):
+ # Slight erosion to add texture
+ precip = np.ones((rows, cols)) * 0.05
+ discharge = hydro.route_flow_d8(precipitation=precip)
+ # Glacial Polish/Plucking noise
+ erosion_amount = discharge * 0.001
+ grid.bedrock -= erosion_amount
+
+ # Fjord Handling
+ valley_type = "๋น์๊ณก (U์๊ณก)"
+ if theory == "fjord":
+ grid.bedrock -= 120 # Submerge
+ grid.bedrock = np.maximum(grid.bedrock, -50)
+ valley_type = "ํผ์ค๋ฅด (Fjord)"
+
+ grid.update_elevation()
+ depth = grid.bedrock.max() - grid.bedrock.min()
+ return {'elevation': grid.bedrock, 'width': 300, 'depth': depth, 'type': valley_type}
+
+
+
+@st.cache_data(ttl=3600)
+def simulate_cirque(time_years: int, params: dict, grid_size: int = 100):
+ """๊ถ๊ณก ์๋ฎฌ๋ ์ด์
- ํ์ ์ฌ๋ผ์ด๋ฉ"""
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # ์ด๊ธฐ ์ฐ ์ฌ๋ฉด (๊ฒฝ์ฌ)
+ elevation = Y * 0.5 + 100
+
+ # ๊ถ๊ณก ํ์ฑ ์์น (์ค์ ์๋ถ)
+ cx, cy = 500, 700
+ r = 250
+
+ dt = 100
+ steps = max(1, time_years // dt)
+ erosion_rate = params.get('erosion_rate', 0.5)
+
+ # ์๊ฐ ์งํ
+ total_erosion = min(1.0, steps * erosion_rate * 0.001)
+
+ # [Hybrid Approach] Check
+ # ๊ต๊ณผ์์ ์ธ ๊ถ๊ณก(Bowl) ํํ ๊ฐ์
+
+ # Ideal Bowl Shape
+ # cx, cy center
+ dx = X - cx
+ dy = Y - cy
+ dist = np.sqrt(dx**2 + dy**2)
+
+ # Bowl depth profile
+ # Deepest at 0.5r, Rim at 1.0r
+ bowl_mask = dist < r
+
+ # Armchair shape: Steep backwall, Deep basin, Shallow lip
+ # Backwall (Y > cy)
+ normalized_y = (Y - cy) / r
+ backwall_effect = np.clip(normalized_y, -1, 1)
+
+ # Excavation amount
+ excavation = np.zeros_like(elevation)
+
+ # Basic Bowl
+ excavation[bowl_mask] = 100 * (1 - (dist[bowl_mask]/r)**2)
+
+ # Deepen the back (Cirque characteristic)
+ excavation[bowl_mask] *= (1.0 + backwall_effect[bowl_mask] * 0.5)
+
+ # Parameter scaling
+ total_effect = min(1.0, steps * erosion_rate * 0.01)
+ elevation -= excavation * total_effect
+
+ # Make Rim sharp (Arete precursor)
+ # Add roughness
+ noise = np.random.rand(grid_size, grid_size) * 5.0
+ elevation += noise
+
+ return {'elevation': elevation, 'type': "๊ถ๊ณก (Cirque)"}
+
+@st.cache_data(ttl=3600)
+def simulate_moraine(time_years: int, params: dict, grid_size: int = 100):
+ """๋ชจ๋ ์ธ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง - ๋นํ ํด์ )"""
+ # 1. ๊ทธ๋ฆฌ๋ (U์๊ณก ๊ธฐ๋ฐ)
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ # U์๊ณก ํํ ์์ฑ
+ center = cols // 2
+ for r in range(rows):
+ grid.bedrock[r, :] = 200 - (r/rows) * 100
+
+ for c in range(cols):
+ dist_norm = abs(c - center) / (cols/2)
+ # U-shape profile: flat bottom, steep sides
+ u_profile = (dist_norm ** 4) * 150
+ grid.bedrock[:, c] += u_profile
+
+ # 2. ํด์ ์๋ฎฌ๋ ์ด์
+ debris_supply = params.get('debris_supply', 0.5)
+
+ # ๋นํ ๋(Terminus) ์์น ๋ณํ
+ # 100๋
-> ๋(row=cols), 10000๋
-> ํํด(row=0)
+ # ์ฌ๋ฌ ๋จ๊ณ์ ๊ฑธ์ณ ํด์
+
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ๋ชจ๋ ์ธ(Ridge) ํํ ๊ฐ์
+
+ # [Fix] Time-dependent retreat
+ # 20,000 years for full retreat
+ retreat_progress = min(1.0, time_years / 20000.0)
+
+ # We shouldn't loop 50 steps to build the final shape if time is fixed?
+ # Actually, we want to show the accumulated sediment up to 'retreat_progress'.
+ # So we iterate up to current progress.
+
+ total_steps = 50
+ current_steps = int(total_steps * retreat_progress)
+
+ for i in range(current_steps + 1):
+ # ๋นํ ๋ ์์น (Dynamic Retreat)
+ # 0 -> 1 (Progress)
+ p = i / total_steps
+ terminus_row = int(rows * (0.8 - p * 0.6))
+
+ # 1. Terminal Moraine (Arc)
+ # ํด์ ๋ฌผ ์ง์ค (Ridge)
+ # Gaussian ridge at terminus_row
+
+ # Arc shape: slightly curved back upstream at edges
+
+ # Deposit mainly at terminus
+ current_flux = debris_supply * 5.0
+
+ # Create a ridge mask
+ # 2D Gaussian Ridge?
+ # Just simple row addition with noise
+
+ # Arc curvature
+ curvature = 10
+
+ for c in range(cols):
+ # Row shift for arc
+ dist_c = abs(c - center) / (cols/2)
+ arc_shift = int(dist_c * dist_c * curvature)
+
+ target_r = terminus_row - arc_shift
+ if 0 <= target_r < rows:
+ # Add sediment pile
+ # "Recessional Moraines" - leave small piles as it retreats
+ # "Terminal Moraine" - The biggest one at max extent (start)
+
+ amount = current_flux
+ if i == 0: amount *= 3.0 # Main terminal moraine is huge
+
+ # Deposit
+ if grid.sediment[target_r, c] < 50: # Limit height
+ grid.sediment[target_r, c] += amount
+
+ # 2. Lateral Moraine (Side ridges)
+ # Always deposit at edges of glacier (which is u_profile width)
+ # Glacier width ~ where u_profile starts rising steep
+ glacier_width_half = cols // 4
+
+ # Left Lateral
+ l_c = center - glacier_width_half
+ grid.sediment[terminus_row:, l_c-2:l_c+3] += current_flux * 0.5
+
+ # Right Lateral
+ r_c = center + glacier_width_half
+ grid.sediment[terminus_row:, r_c-2:r_c+3] += current_flux * 0.5
+
+ # Smoothing
+ erosion = ErosionProcess(grid)
+ erosion.hillslope_diffusion(dt=5.0)
+
+ return {'elevation': grid.elevation, 'type': "๋ชจ๋ ์ธ (Moraine)"}
+
+
+
+@st.cache_data(ttl=3600)
+def simulate_arid(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """๊ฑด์กฐ ์งํ ์๋ฎฌ๋ ์ด์
(๋ฌผ๋ฆฌ ์์ง - ๋ฐ๋ ์ด๋ ๋ฐ ์นจ์)"""
+
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ
+ cell_size = 1000.0 / grid_size
+ grid = WorldGrid(width=grid_size, height=grid_size, cell_size=cell_size)
+ rows, cols = grid_size, grid_size
+
+ steps = 100
+ wind_speed = params.get('wind_speed', 0.5)
+
+ # 2. ์ด๋ก ๋ณ ์์ง ์ ์ฉ
+ if theory == "barchan":
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ์ด์น๋ฌ(Crescent) ๋ชจ์ ๊ฐ์
+
+ # Analytical Barchan Shape
+ # Center of dune
+ cx, cy = grid_size // 2, grid_size // 3
+
+ # Coordinate relative to center
+ Y, X = np.ogrid[:grid_size, :grid_size]
+ dx = X - cx
+ dy = Y - cy
+
+ # Dune Size
+ W = 15.0 # Width param
+ L = 15.0 # Length param
+
+ # Crescent Formula (simplified)
+ # Body: Gaussian
+ body = 40.0 * np.exp(-(dx**2 / (W**2) + dy**2 / (L**2)))
+
+ # Horns: Subtract parabolic shape from behind
+ # Wind from X (left to right) -> Horns point right
+ # Cutout from the back
+ cutout = 30.0 * np.exp(-((dx + 10)**2 / (W*1.5)**2 + dy**2 / (L*0.8)**2))
+
+ dune_shape = np.maximum(0, body - cutout)
+
+ # ๋ฟ(Horn)์ ๋ ๊ธธ๊ฒ ์์ผ๋ก ๋น๊น
+ # Bending
+ horns = 10.0 * np.exp(-(dy**2 / 100.0)) * np.exp(-((dx-10)**2 / 200.0))
+ # Mask horns to be mainly on sides
+ horns_mask = (np.abs(dy) > 10) & (dx > 0)
+ dune_shape[horns_mask] += horns[horns_mask] * 2.0
+
+ # Apply to Sediment
+ grid.sediment[:] = dune_shape
+
+ # Physics Drift (Winds)
+ # 1. Advection (Move Downwind)
+ # [Fix] Move based on time
+ shift_amount = int(wind_speed * time_years * 0.05) % cols
+ if shift_amount > 0:
+ grid.sediment = np.roll(grid.sediment, shift_amount, axis=1) # Move Right
+ grid.sediment[:, :shift_amount] = 0
+
+ # 2. Diffusion (Smooth slopes)
+ erosion = ErosionProcess(grid)
+ erosion.hillslope_diffusion(dt=5.0)
+
+ landform_type = "๋ฐ๋ฅดํ ์ฌ๊ตฌ (Barchan)"
+
+ elif theory == "mesa":
+ # [Hybrid Approach]
+ # ๊ต๊ณผ์์ ์ธ ๋ฉ์ฌ(Table) ํํ ๊ฐ์
+
+ # 1. Base Plateau
+ grid.bedrock[:] = 20.0
+
+ # 2. Hard Caprock (Circle or Rectangle)
+ # Center high
+ cx, cy = grid_size // 2, grid_size // 2
+ Y, X = np.ogrid[:grid_size, :grid_size]
+ dist = np.sqrt((X - cx)**2 + (Y - cy)**2)
+
+ # Mesa Radius
+ # [Fix] Mesa shrinks over time (Cliff Backwearing)
+ # Start wide (Plateau), shrink to Mesa
+ initial_r = 45.0
+ shrinkage = (time_years / 100000.0) * 20.0 # Shrink 20m over 100ky
+ mesa_r = max(10.0, initial_r - shrinkage)
+
+ # Steep Cliff (Sigmoid or Step)
+ # Height 100m
+ height_profile = 80.0 * (1.0 / (1.0 + np.exp((dist - mesa_r) * 1.0)))
+
+ grid.bedrock += height_profile
+
+ # 3. Physics Erosion (Talus formation)
+ # ์นจ์์์ผ์ ์ ๋ฒฝ ๋ฐ์ ์ ์ถ(Talus) ํ์ฑ
+ steps = 50
+ erosion = ErosionProcess(grid, K=0.005) # Weak erosion
+ hydro = HydroKernel(grid)
+
+ for i in range(steps):
+ precip = np.ones((rows, cols)) * 0.05
+ discharge = hydro.route_flow_d8(precipitation=precip)
+
+ # Cliff retreat (very slow)
+ # Talus accumulation (High diffusion on slopes)
+ erosion.hillslope_diffusion(dt=2.0)
+
+ landform_type = "๋ฉ์ฌ (Mesa)"
+
+ elif theory == "pediment":
+ # ํ๋๋จผํธ: ์ฐ์ง ์์ ์๊ฒฝ์ฌ ์นจ์๋ฉด
+ # ์ฐ(High) -> ํ๋๋จผํธ(Slope) -> ํ๋ผ์ผ(Flat)
+
+ # Mountain Back
+ grid.bedrock[:30, :] = 150.0
+
+ # Pediment Slope (Linear)
+ for r in range(30, 80):
+ grid.bedrock[r, :] = 150.0 - (r-30) * 2.5 # 150 -> 25
+
+ # Playa (Flat)
+ grid.bedrock[80:, :] = 25.0
+
+ # Noise
+ grid.bedrock += np.random.rand(rows, cols) * 2.0
+
+ landform_type = "ํ๋๋จผํธ (Pediment)"
+
+ else:
+ landform_type = "๊ฑด์กฐ ์งํ"
+
+ grid.update_elevation()
+ return {'elevation': grid.elevation, 'type': landform_type}
+
+
+@st.cache_data(ttl=3600)
+def simulate_plain(theory: str, time_years: int, params: dict, grid_size: int = 100):
+ """ํ์ผ ์งํ ์๋ฎฌ๋ ์ด์
- ๊ต๊ณผ์์ ๋ฒ๋์, ์์ฐ์ ๋ฐฉ"""
+
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+
+ # ๊ธฐ๋ณธ ํํ ์งํ (์ฝ๊ฐ ์๋ฅ๊ฐ ๋์)
+ base_height = 20
+ elevation = np.ones((grid_size, grid_size)) * base_height
+ elevation += 5 * (1 - Y / 1000)
+
+ flood_freq = params.get('flood_freq', 0.5)
+
+ # ํ์ฒ ์ค์ฌ์ (์ฝ๊ฐ ์ฌํ)
+ river_x = 500 + 30 * np.sin(np.linspace(0, 3*np.pi, grid_size))
+
+ if theory == "floodplain" or theory == "levee":
+ # ๊ต๊ณผ์์ ๋ฒ๋์: ์์ฐ์ ๋ฐฉ > ๋ฐฐํ์ต์ง ๊ตฌ์กฐ
+
+ # [Fix] Scale Levee growth by time and flood_freq
+ # e.g. 1000 years -> small levee, 100,000 years -> huge levee
+ time_factor = min(1.0, time_years / 50000.0)
+ levee_growth = (base_height + 4 + flood_freq * 2 - base_height) * (0.2 + 0.8 * time_factor)
+ backswamp_growth = 0 # stays low usually, or fills up slowly?
+
+ for j in range(grid_size):
+ rx = int(river_x[j] * grid_size / 1000)
+ if 0 < rx < grid_size:
+ # ํ์ฒ (๊ฐ์ฅ ๋ฎ์)
+ river_width = 3
+ for i in range(max(0, rx-river_width), min(grid_size, rx+river_width)):
+ elevation[j, i] = base_height - 5
+
+ # ์์ฐ์ ๋ฐฉ (ํ์ฒ ์์ชฝ, ๋์)
+ levee_width = 12
+ # [Fix] Dynamic height
+ levee_height = base_height + levee_growth
+
+ for i in range(max(0, rx-levee_width), rx-river_width):
+ dist = abs(i - rx)
+ elevation[j, i] = levee_height - (dist - river_width) * 0.2
+ for i in range(rx+river_width, min(grid_size, rx+levee_width)):
+ dist = abs(i - rx)
+ elevation[j, i] = levee_height - (dist - river_width) * 0.2
+
+ # ๋ฐฐํ์ต์ง (์์ฐ์ ๋ฐฉ ๋ฐ๊นฅ์ชฝ, ๋ฎ์)
+ backswamp_height = base_height - 2
+ for i in range(0, max(0, rx-levee_width)):
+ elevation[j, i] = backswamp_height
+ for i in range(min(grid_size, rx+levee_width), grid_size):
+ elevation[j, i] = backswamp_height
+
+ plain_type = "๋ฒ๋์"
+
+ elif theory == "alluvial":
+ # ์ถฉ์ ํ์ผ (์ ์ฒด์ ์ผ๋ก ํด์ )
+ for j in range(grid_size):
+ rx = int(river_x[j] * grid_size / 1000)
+ dist_from_river = np.abs(np.arange(grid_size) - rx)
+ deposition = flood_freq * 3 * np.exp(-dist_from_river / 30)
+ elevation[j, :] += deposition
+ elevation[j, max(0,rx-2):min(grid_size,rx+2)] = base_height - 3
+
+ plain_type = "์ถฉ์ ํ์ผ"
+ else:
+ plain_type = "ํ์ผ"
+
+ # [Fix] Water Depth
+ water_depth = np.zeros_like(elevation)
+ for j in range(grid_size):
+ rx = int(river_x[j] * grid_size / 1000)
+ if 0 < rx < grid_size:
+ river_width = 3
+ water_depth[j, max(0, rx-river_width):min(grid_size, rx+river_width+1)] = 3.0
+
+ return {'elevation': elevation, 'type': plain_type, 'water_depth': water_depth}
+
+
+# ============ ์ฌ์ค์ ๋ ๋๋ง ============
+
+def create_terrain_colormap():
+ """์์ฐ์ค๋ฌ์ด ์งํ ์์๋งต"""
+ # ๊ณ ๋๋ณ ์์: ๋ฌผ(ํ๋) โ ํด์(ํฉํ ) โ ์ ์ง๋(๋
น์) โ ์ฐ์ง(๊ฐ์) โ ๊ณ ์ฐ(ํฐ์)
+ cdict = {
+ 'red': [(0.0, 0.1, 0.1), (0.25, 0.9, 0.9), (0.4, 0.4, 0.4),
+ (0.6, 0.6, 0.6), (0.8, 0.5, 0.5), (1.0, 1.0, 1.0)],
+ 'green': [(0.0, 0.3, 0.3), (0.25, 0.85, 0.85), (0.4, 0.7, 0.7),
+ (0.6, 0.5, 0.5), (0.8, 0.35, 0.35), (1.0, 1.0, 1.0)],
+ 'blue': [(0.0, 0.6, 0.6), (0.25, 0.6, 0.6), (0.4, 0.3, 0.3),
+ (0.6, 0.3, 0.3), (0.8, 0.2, 0.2), (1.0, 1.0, 1.0)]
+ }
+ return colors.LinearSegmentedColormap('terrain_natural', cdict)
+
+
+def render_terrain_3d(elevation, title, add_water=True, water_level=0, view_elev=35, view_azim=225):
+ """3D Perspective ๋ ๋๋ง - ๋จ์ผ ์์(copper)"""
+ fig = plt.figure(figsize=(12, 9), facecolor='#1a1a2e')
+ ax = fig.add_subplot(111, projection='3d', facecolor='#1a1a2e')
+
+ h, w = elevation.shape
+ x = np.arange(w)
+ y = np.arange(h)
+ X, Y = np.meshgrid(x, y)
+
+ # ๋จ์ผ ์์ (copper - ๊ฐ์ ๋ช
๋ ๋ณํ)
+ elev_norm = (elevation - elevation.min()) / (elevation.max() - elevation.min() + 0.01)
+
+ surf = ax.plot_surface(X, Y, elevation,
+ facecolors=cm.copper(elev_norm),
+ linewidth=0, antialiased=True,
+ shade=True, lightsource=plt.matplotlib.colors.LightSource(315, 45))
+
+ # ๋ฌผ ํ๋ฉด (์ด๋์ด ์์)
+ if add_water:
+ water_mask = elevation < water_level
+ if np.any(water_mask):
+ ax.plot_surface(X, Y, np.where(water_mask, water_level, np.nan),
+ color='#2C3E50', alpha=0.8, linewidth=0)
+
+ ax.view_init(elev=view_elev, azim=view_azim)
+
+ # ์ถ ์คํ์ผ
+ ax.set_xlabel('X (m)', fontsize=10, color='white')
+ ax.set_ylabel('Y (m)', fontsize=10, color='white')
+ ax.set_zlabel('๊ณ ๋ (m)', fontsize=10, color='white')
+ ax.set_title(title, fontsize=14, fontweight='bold', pad=20, color='white')
+ ax.tick_params(colors='white')
+
+ # ์ปฌ๋ฌ๋ฐ (copper)
+ mappable = cm.ScalarMappable(cmap='copper',
+ norm=plt.Normalize(elevation.min(), elevation.max()))
+ mappable.set_array([])
+ cbar = fig.colorbar(mappable, ax=ax, shrink=0.5, aspect=15, pad=0.1)
+ cbar.set_label('๊ณ ๋ (m)', fontsize=10, color='white')
+ cbar.ax.yaxis.set_tick_params(color='white')
+ plt.setp(plt.getp(cbar.ax.axes, 'yticklabels'), color='white')
+
+ if add_water:
+ water_patch = mpatches.Patch(color='#2C3E50', alpha=0.8, label='์์ญ')
+ ax.legend(handles=[water_patch], loc='upper left', fontsize=9,
+ facecolor='#1a1a2e', labelcolor='white')
+ # ํ์ฌ ์งํ๋ฉด
+ plt.tight_layout()
+ return fig
+
+
+def render_terrain_plotly(elevation, title, add_water=True, water_level=0, texture_path=None, force_camera=True, water_depth_grid=None, sediment_grid=None):
+ """Plotly ์ธํฐ๋ํฐ๋ธ 3D Surface - ์ฌ์ค์ ํ
์ค์ฒ(Biome) ๋๋ ์์ฑ ์ด๋ฏธ์ง ์ ์ฉ"""
+ h, w = elevation.shape
+ x = np.arange(w)
+ y = np.arange(h)
+
+ # 1. ์งํ ํ
์ค์ฒ๋ง (Biome Calculation)
+ # ๊ฒฝ์ฌ๋ ๊ณ์ฐ
+ dy, dx = np.gradient(elevation)
+ slope = np.sqrt(dx**2 + dy**2)
+
+ # Biome Index (0: ๋ฌผ/๋ชจ๋, 1: ํ, 2: ์์, 3: ๋)
+ biome = np.zeros_like(elevation)
+
+ # ๊ธฐ๋ณธ: ํ (Grass)
+ biome[:] = 1
+
+ # ๋ชจ๋/ํด์ ๋ฌผ (๋ฌผ ๊ทผ์ฒ ๋ฎ์ ๊ณณ + ํํํ ๊ณณ)
+ # add_water๊ฐ False์ฌ๋ ๊ณจ์ง๊ธฐ(๋ฎ์ ๊ณณ)๋ ํด์ ๋ฌผ์ด๋ฏ๋ก ๋ชจ๋์ ์ ์ฉ
+ sand_level = water_level + 5 if add_water else elevation.min() + 10
+
+ # ํด์ ์ง ํ๋ณ:
+ # 1) Explicit sediment grid provided (> 0.5m)
+ # 2) Or Geometric guess (low & flat)
+ is_deposit = np.zeros_like(elevation, dtype=bool)
+
+ if sediment_grid is not None:
+ is_deposit = (sediment_grid > 0.5)
+ else:
+ is_deposit = (elevation < sand_level) & (slope < 0.5)
+
+ biome[is_deposit] = 0
+
+ # ์์ (๊ฒฝ์ฌ๊ฐ ๊ธํ ๊ณณ) - ์ ๋ฒฝ
+ # ๊ณ ๋์ฐจ 1.5m/grid ์ด์์ด๋ฉด ๊ธ๊ฒฝ์ฌ๋ก ๊ฐ์ฃผ (์คํ์ ์์น)
+ biome[slope > 1.2] = 2 # Threshold lowered to show more rock detail
+
+ # ๋ (๋์ ์ฐ) - ๊ณ ๋ 250m ์ด์
+ biome[elevation > 220] = 3
+
+ # ์กฐ๊ธ ๋ ์์ฐ์ค๋ฝ๊ฒ: ๋
ธ์ด์ฆ ์ถ๊ฐ (๊ฒฝ๊ณ๋ฉด ๋ธ๋ ๋ฉ ํจ๊ณผ ํ๋ด)
+ noise = np.random.normal(0, 0.2, elevation.shape)
+ biome_noisy = np.clip(biome + noise, 0, 3).round(2)
+
+ # ์ปค์คํ
์ปฌ๋ฌ์ค์ผ์ผ (Discrete)
+ # 0: Soil/Sand (Yellowish), 1: Grass (Green), 2: Rock (Gray), 3: Snow (White)
+ realistic_colorscale = [
+ [0.0, '#E6C288'], [0.25, '#E6C288'], # Sand/Soil
+ [0.25, '#556B2F'], [0.5, '#556B2F'], # Grass (Darker Green)
+ [0.5, '#808080'], [0.75, '#808080'], # Rock (Gray)
+ [0.75, '#FFFFFF'], [1.0, '#FFFFFF'] # Snow
+ ]
+
+ # ์งํ ๋
ธ์ด์ฆ (Fractal Roughness) - ์๊ฐ์ ๋ํ
์ผ ์ถ๊ฐ
+ visual_z = (elevation + np.random.normal(0, 0.2, elevation.shape)).round(2) # Reduced noise
+
+ # ํ
์ค์ฒ ๋ก์ง (์ด๋ฏธ์ง ๋งคํ)
+ final_surface_color = biome_noisy
+ final_colorscale = realistic_colorscale
+ final_cmin = 0
+ final_cmax = 3
+ final_colorbar = dict(title="์งํ ์ํ", tickvals=[0.37, 1.12, 1.87, 2.62],
+ ticktext=["ํด์ (ๅ)", "์์(่)", "์์(ๅฒฉ)", "๋ง๋
์ค(้ช)"],
+ titlefont=dict(color='white'), tickfont=dict(color='white'))
+
+ if texture_path and os.path.exists(texture_path):
+ try:
+ img = Image.open(texture_path).convert('L')
+ img = img.resize((elevation.shape[1], elevation.shape[0]))
+ img_array = np.array(img) / 255.0
+
+ final_surface_color = img_array
+
+ # ํ
์ค์ฒ ํ
๋ง์ ๋ฐ๋ฅธ ์ปฌ๋ฌ๋งต ์ค์
+ if "barchan" in texture_path or "arid" in str(texture_path):
+ # ์ฌ๋ง: ๊ฐ์ -> ๊ธ์
+ final_colorscale = [[0.0, '#8B4513'], [0.3, '#CD853F'], [0.6, '#DAA520'], [1.0, '#FFD700']]
+ elif "valley" in texture_path or "meander" in texture_path or "delta" in texture_path:
+ # ์ฒ/ํ์ฒ: ์ง์ ๋
น์ -> ์ฐ๋์ -> ํ์
+ final_colorscale = [[0.0, '#2F4F4F'], [0.4, '#556B2F'], [0.7, '#8FBC8F'], [1.0, '#D2B48C']]
+ elif "volcano" in texture_path:
+ # ํ์ฐ: ๊ฒ์ -> ํ์ -> ๋ถ์๊ธฐ
+ final_colorscale = [[0.0, '#000000'], [0.5, '#404040'], [0.8, '#696969'], [1.0, '#8B4513']]
+ elif "fjord" in texture_path:
+ # ํผ์ค๋ฅด: ์ง์ ํ๋(๋ฌผ) -> ํ์(์ ๋ฒฝ) -> ํฐ์(๋)
+ final_colorscale = [[0.0, '#191970'], [0.4, '#708090'], [0.8, '#C0C0C0'], [1.0, '#FFFFFF']]
+ elif "karst" in texture_path:
+ # ์นด๋ฅด์คํธ: ์ง๋
น์(๋ด์ฐ๋ฆฌ) -> ์ฐ๋
น์(๋คํ)
+ final_colorscale = [[0.0, '#556B2F'], [0.4, '#228B22'], [0.7, '#8FBC8F'], [1.0, '#F5DEB3']]
+ elif "fan" in texture_path or "braided" in texture_path:
+ # ์ ์์ง/๋ง์ํ์ฒ: ํฉํ ์(๋ชจ๋) -> ๊ฐ์(์๊ฐ)
+ final_colorscale = [[0.0, '#D2B48C'], [0.4, '#BC8F8F'], [0.8, '#8B4513'], [1.0, '#A0522D']]
+ elif "glacier" in texture_path or "cirque" in texture_path:
+ # ๋นํ: ํฐ์ -> ํ์ -> ์ฒญํ์
+ final_colorscale = [[0.0, '#F0F8FF'], [0.4, '#B0C4DE'], [0.7, '#778899'], [1.0, '#2F4F4F']]
+ elif "lava" in texture_path:
+ # ์ฉ์: ๊ฒ์ -> ์งํ์
+ final_colorscale = [[0.0, '#000000'], [0.5, '#2F4F4F'], [1.0, '#696969']]
+ else:
+ # ๊ธฐ๋ณธ: ํ๋ฐฑ
+ final_colorscale = 'Gray'
+
+ final_cmin = 0
+ final_cmax = 1
+ final_colorbar = dict(title="ํ
์ค์ฒ ๋ช
์")
+ except Exception as e:
+ print(f"Texture error: {e}")
+
+ # ============ 3D Plot ============
+ # ์กฐ๋ช
ํจ๊ณผ
+ lighting_effects = dict(ambient=0.4, diffuse=0.5, roughness=0.9, specular=0.1, fresnel=0.2)
+
+ # 1. Terrain Surface
+ trace_terrain = go.Surface(
+ z=visual_z, x=x, y=y,
+ surfacecolor=final_surface_color,
+ colorscale=final_colorscale,
+ cmin=final_cmin, cmax=final_cmax,
+ colorbar=final_colorbar,
+ lighting=lighting_effects,
+ hoverinfo='z'
+ )
+
+ data = [trace_terrain]
+
+ # 2. Water Surface
+ # Case A: water_depth_grid (Variable water height for rivers)
+ if water_depth_grid is not None:
+ # Create water elevation: usually bedrock/sediment + depth
+ # We need base elevation. 'elevation' argument includes sediment.
+
+ # Filter: Only show water where depth > threshold
+ water_mask = water_depth_grid > 0.1
+
+ if np.any(water_mask):
+ # Water Surface Elevation
+ water_z = visual_z.copy()
+ # To avoid z-fighting, add depth. But visual_z is noisy.
+ # Use original elevation + depth
+ water_z = elevation + water_depth_grid
+
+ # Hide dry areas
+ water_z[~water_mask] = np.nan
+
+ trace_water = go.Surface(
+ z=water_z, x=x, y=y,
+ colorscale=[[0, 'rgba(30,144,255,0.7)'], [1, 'rgba(30,144,255,0.7)']], # DodgerBlue
+ showscale=False,
+ lighting=dict(ambient=0.6, diffuse=0.5, specular=0.8, roughness=0.1), # Glossy
+ hoverinfo='skip'
+ )
+ data.append(trace_water)
+
+ # Case B: Flat water_level (Sea/Lake)
+ elif add_water:
+ # ํ๋ฉด ๋ฐ๋ค
+ water_z = np.ones_like(elevation) * water_level
+
+ # Only draw where water is above terrain? Or just draw flat plane?
+ # Drawing flat plane is standard for sea.
+ # But for aesthetic, maybe mask it? No, sea level is simpler.
+
+ trace_water = go.Surface(
+ z=water_z,
+ x=x, y=y,
+ hoverinfo='none',
+ lighting = dict(ambient=0.6, diffuse=0.6, specular=0.5)
+ )
+ data.append(trace_water)
+
+ # ๋ ์ด์์ (์ด๋์ด ํ
๋ง)
+ # ๋ ์ด์์ (์ด๋์ด ํ
๋ง)
+ fig = go.Figure(data=data)
+
+ # ๋ ์ด์์ (์ด๋์ด ํ
๋ง)
+ fig.update_layout(
+ title=dict(text=title, font=dict(color='white', size=16)),
+ # [Fix 1] Interaction Persistence (Move to Top Level)
+ uirevision='terrain_viz',
+ scene=dict(
+ xaxis=dict(title='X (m)', backgroundcolor='#1a1a2e', gridcolor='#444', color='#cccccc'),
+ yaxis=dict(title='Y (m)', backgroundcolor='#1a1a2e', gridcolor='#444', color='#cccccc'),
+ zaxis=dict(title='Elevation', backgroundcolor='#1a1a2e', gridcolor='#444', color='#cccccc'),
+ bgcolor='#0e1117', #
+
+ # uirevision removed from here
+
+ # [Fix 2] Better Camera Angle (Isometric) - Optional
+ camera=dict(
+ eye=dict(x=1.6, y=-1.6, z=0.8), # Isometric-ish
+ center=dict(x=0, y=0, z=-0.2), # Look slightly down
+ up=dict(x=0, y=0, z=1)
+ ) if force_camera else None,
+
+ # [Fix 3] Proportions
+ aspectmode='manual',
+ aspectratio=dict(x=1, y=1, z=0.35) # Z is flattened slightly for realism
+ ),
+ paper_bgcolor='#0e1117',
+ plot_bgcolor='#0e1117',
+ height=700, # Taller
+ margin=dict(l=10, r=10, t=50, b=10),
+ # Remove modebar to prevent accidental resets? No, keep it.
+ )
+
+ return fig
+
+
+def render_v_valley_3d(elevation, x_coords, title, depth):
+ """V์๊ณก ์ ์ฉ 3D ๋ ๋๋ง - ๋จ์ผ ์์(copper)"""
+ fig = plt.figure(figsize=(14, 8), facecolor='#1a1a2e')
+
+ ax1 = fig.add_subplot(121, projection='3d', facecolor='#1a1a2e')
+ ax2 = fig.add_subplot(122, facecolor='#1a1a2e')
+
+ h, w = elevation.shape
+ x = np.arange(w)
+ y = np.arange(h)
+ X, Y = np.meshgrid(x, y)
+
+ # ๋จ์ผ ์์ (copper)
+ elev_norm = (elevation - elevation.min()) / (elevation.max() - elevation.min() + 0.01)
+
+ ax1.plot_surface(X, Y, elevation,
+ facecolors=cm.copper(elev_norm),
+ linewidth=0, antialiased=True, shade=True)
+
+ # ํ์ฒ (์ด๋์ด ์์)
+ min_z = elevation.min()
+ water_level = min_z + 3
+ channel_mask = elevation < water_level
+ if np.any(channel_mask):
+ ax1.plot_surface(X, Y, np.where(channel_mask, water_level, np.nan),
+ color='#2C3E50', alpha=0.9, linewidth=0)
+
+ ax1.view_init(elev=45, azim=200)
+ ax1.set_xlabel('X', color='white')
+ ax1.set_ylabel('Y', color='white')
+ ax1.set_zlabel('๊ณ ๋', color='white')
+ ax1.set_title('3D ์กฐ๊ฐ๋', fontsize=12, fontweight='bold', color='white')
+ ax1.tick_params(colors='white')
+
+ # ๋จ๋ฉด๋ (๊ฐ์ ๊ณ์ด ํต์ผ)
+ mid = h // 2
+ z = elevation[mid, :]
+
+ brown_colors = ['#8B4513', '#A0522D', '#CD853F'] # ๊ฐ์ ๊ณ์ด
+ for i, (color, label) in enumerate(zip(brown_colors, ['ํ์ธต', '์ค๊ฐ์ธต', 'ํ์ธต'])):
+ ax2.fill_between(x_coords, z.min() - 80, z - i*3, color=color, alpha=0.8, label=label)
+
+ ax2.plot(x_coords, z, color='#D2691E', linewidth=3)
+
+ # ํ์ฒ
+ river_idx = np.argmin(z)
+ ax2.fill_between(x_coords[max(0,river_idx-5):min(w,river_idx+6)],
+ z[max(0,river_idx-5):min(w,river_idx+6)],
+ z.min()+3, color='#2C3E50', alpha=0.9, label='ํ์ฒ')
+
+ # ๊น์ด
+ ax2.annotate('', xy=(x_coords[river_idx], z.max()-5),
+ xytext=(x_coords[river_idx], z[river_idx]+5),
+ arrowprops=dict(arrowstyle='<->', color='#FFA500', lw=2))
+ ax2.text(x_coords[river_idx]+30, (z.max()+z[river_idx])/2, f'{depth:.0f}m',
+ fontsize=14, color='#FFA500', fontweight='bold')
+
+ ax2.set_xlim(x_coords.min(), x_coords.max())
+ ax2.set_ylim(z.min()-50, z.max()+20)
+ ax2.set_xlabel('๊ฑฐ๋ฆฌ (m)', fontsize=11, color='white')
+ ax2.set_ylabel('๊ณ ๋ (m)', fontsize=11, color='white')
+ ax2.set_title('ํก๋จ๋ฉด', fontsize=12, fontweight='bold', color='white')
+ ax2.legend(loc='upper right', fontsize=9, facecolor='#1a1a2e', labelcolor='white')
+ ax2.tick_params(colors='white')
+ ax2.grid(True, alpha=0.2, color='white')
+
+ fig.suptitle(title, fontsize=14, fontweight='bold', y=1.02, color='white')
+ plt.tight_layout()
+ return fig
+
+
+def render_meander_realistic(x, y, oxbow_lakes, sinuosity):
+ """๊ณก๋ฅ ํ์ฒ ๋ ๋๋ง - ๊ฐ์ ๊ณ์ด ํต์ผ"""
+ try:
+ fig, ax = plt.subplots(figsize=(14, 5), facecolor='#1a1a2e')
+ ax.set_facecolor('#1a1a2e')
+
+ # ๋ฒ๋์ ๋ฐฐ๊ฒฝ (๊ฐ์ ๊ณ์ด)
+ ax.axhspan(y.min()-100, y.max()+100, color='#3D2914', alpha=0.6)
+
+ # ํ์ฒ (์งํ ๊ฐ์)
+ ax.fill_between(x, y - 5, y + 5, color='#8B4513', alpha=0.9)
+ ax.plot(x, y, color='#CD853F', linewidth=2)
+
+ # ํฌ์ธํธ๋ฐ (๋ฐ์ ๊ฐ์)
+ ddy = np.gradient(np.gradient(y))
+ for i in range(20, len(x)-20, 20):
+ if np.abs(ddy[i]) > 0.3:
+ offset = -np.sign(ddy[i]) * 15
+ ax.scatter(x[i], y[i] + offset, s=80, c='#D2691E',
+ alpha=0.8, marker='o', zorder=5, edgecolors='#8B4513')
+
+ # ์ฐ๊ฐํธ (์ด๋์ด ์)
+ for lake_x, lake_y in oxbow_lakes:
+ if len(lake_x) > 3:
+ ax.fill(lake_x, lake_y, color='#2C3E50', alpha=0.8)
+
+ ax.set_xlim(x.min() - 50, x.max() + 50)
+ ax.set_ylim(y.min() - 80, y.max() + 80)
+ ax.set_xlabel('ํ๋ฅ ๋ฐฉํฅ (m)', fontsize=11, color='white')
+ ax.set_ylabel('์ข์ฐ ๋ณ์ (m)', fontsize=11, color='white')
+ ax.set_title(f'๊ณก๋ฅ ํ์ฒ (๊ตด๊ณก๋: {sinuosity:.2f})', fontsize=13, fontweight='bold', color='white')
+ ax.tick_params(colors='white')
+ ax.grid(True, alpha=0.15, color='white')
+
+ # ๋ฒ๋ก
+ from matplotlib.lines import Line2D
+ legend_elements = [
+ Line2D([0], [0], color='#8B4513', lw=6, label='ํ์ฒ'),
+ Line2D([0], [0], marker='o', color='w', markerfacecolor='#D2691E', markersize=10, label='ํฌ์ธํธ๋ฐ'),
+ Line2D([0], [0], marker='s', color='w', markerfacecolor='#2C3E50', markersize=10, label='์ฐ๊ฐํธ'),
+ ]
+ ax.legend(handles=legend_elements, loc='upper right', fontsize=9,
+ facecolor='#1a1a2e', labelcolor='white')
+
+ return fig
+ except Exception as e:
+ fig, ax = plt.subplots(figsize=(12, 4), facecolor='#1a1a2e')
+ ax.set_facecolor('#1a1a2e')
+ ax.plot(x, y, color='#CD853F', linewidth=3, label='ํ์ฒ')
+ ax.set_title(f'๊ณก๋ฅ ํ์ฒ (๊ตด๊ณก๋: {sinuosity:.2f})', color='white')
+ ax.legend(facecolor='#1a1a2e', labelcolor='white')
+ ax.tick_params(colors='white')
+ return fig
+
+
+def render_v_valley_section(x, elevation, depth):
+ """V์๊ณก ๋จ๋ฉด ์ฌ์ค์ ๋ ๋๋ง"""
+ fig, ax = plt.subplots(figsize=(12, 5))
+
+ mid = len(elevation) // 2
+ z = elevation[mid, :]
+
+ # ์์์ธต (์ธต๋ฆฌ ํํ)
+ for i, (color, y_offset) in enumerate([
+ ('#8B7355', 0), ('#A0522D', -20), ('#CD853F', -40), ('#D2691E', -60)
+ ]):
+ z_layer = z - i * 5
+ ax.fill_between(x, z.min() - 100, z_layer, color=color, alpha=0.7)
+
+ # ํ์ฌ ์งํ๋ฉด
+ ax.plot(x, z, 'k-', linewidth=3)
+
+ # ํ์ฒ
+ river_idx = np.argmin(z)
+ river_width = 30
+ river_x = x[max(0, river_idx-3):min(len(x), river_idx+4)]
+ river_z = z[max(0, river_idx-3):min(len(z), river_idx+4)]
+ ax.fill_between(river_x, river_z, river_z.min()+3, color='#4169E1', alpha=0.8)
+
+ # ๊น์ด ํ์ดํ
+ ax.annotate('', xy=(x[river_idx], z.max()), xytext=(x[river_idx], z[river_idx]),
+ arrowprops=dict(arrowstyle='<->', color='red', lw=3))
+ ax.text(x[river_idx]+50, (z.max()+z[river_idx])/2, f'๊น์ด\n{depth:.0f}m',
+ fontsize=14, color='red', fontweight='bold', ha='left')
+
+ ax.set_xlim(x.min(), x.max())
+ ax.set_ylim(z.min()-50, z.max()+20)
+ ax.set_xlabel('๊ฑฐ๋ฆฌ (m)', fontsize=12)
+ ax.set_ylabel('๊ณ ๋ (m)', fontsize=12)
+ ax.set_title('V์๊ณก ํก๋จ๋ฉด', fontsize=14, fontweight='bold')
+ ax.grid(True, alpha=0.3, linestyle='--')
+
+ # ๋ฒ๋ก
+ patches = [
+ mpatches.Patch(color='#8B7355', label='์์์ธต 1'),
+ mpatches.Patch(color='#A0522D', label='์์์ธต 2'),
+ mpatches.Patch(color='#4169E1', label='ํ์ฒ')
+ ]
+ ax.legend(handles=patches, loc='upper right')
+
+ return fig
+
+
+# ============ ์ด๋ก ์ค๋ช
์นด๋ ============
+
+def show_theory_card(theory_dict, selected):
+ """์ด๋ก ์ค๋ช
์นด๋ ํ์"""
+ info = theory_dict[selected]
+ st.markdown(f"""
+
+
๐ {selected}
+
{info['formula']}
+
{info['description']}
+
์ฃผ์ ํ๋ผ๋ฏธํฐ: {', '.join(info['params'])}
+
+ """, unsafe_allow_html=True)
+
+
+# ============ ๋ฉ์ธ ์ฑ ============
+
+def main():
+ # ========== ์ต์๋จ: ์ ์์ ์ ๋ณด ==========
+ st.markdown("""
+
+
+ ๐ Geo-Lab AI - ์ด์์ ์งํ ์๋ฎฌ๋ ์ดํฐ
+ ์ ์: 2025 ํ๋ฐฑ๊ณ ๋ฑํ๊ต ๊นํ์T
+
+
+ """, unsafe_allow_html=True)
+
+ st.markdown('๐ Geo-Lab AI: ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ
', unsafe_allow_html=True)
+ st.markdown("_๊ต์ฌ๋ฅผ ์ํ ์งํ ํ์ฑ๊ณผ์ ์๊ฐํ ๋๊ตฌ_")
+
+ # ========== ๋ฐฉ๋ฌธ์ ์นด์ดํฐ (Session State) ==========
+ if 'visitor_count' not in st.session_state:
+ st.session_state.visitor_count = 1
+ if 'today_count' not in st.session_state:
+ st.session_state.today_count = 1
+
+ # ์๋จ ์ค๋ฅธ์ชฝ ๋ฐฉ๋ฌธ์ ํ์
+ col_title, col_visitor = st.columns([4, 1])
+ with col_visitor:
+ st.markdown(f"""
+
+ ๐ค ์ค๋: {st.session_state.today_count} |
+ ์ด: {st.session_state.visitor_count}
+
+ """, unsafe_allow_html=True)
+
+ # ========== ์ฌ์ด๋๋ฐ: ๊ฐ์ด๋ & ์
๋ฐ์ดํธ ==========
+ st.sidebar.title("๐ Geo-Lab AI")
+
+ # ์ฌ์ฉ์ ๊ฐ์ด๋
+ with st.sidebar.expander("๐ ์ฌ์ฉ์ ๊ฐ์ด๋", expanded=False):
+ st.markdown("""
+ **๐ฏ ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ (๊ต์ฌ์ฉ)**
+ 1. ์นดํ
๊ณ ๋ฆฌ ์ ํ (ํ์ฒ, ๋นํ, ํ์ฐ ๋ฑ)
+ 2. ์ํ๋ ์งํ ์ ํ
+ 3. 2D ํ๋ฉด๋ ํ์ธ
+ 4. "๐ฒ 3D ๋ทฐ ๋ณด๊ธฐ" ํด๋ฆญํ์ฌ 3D ํ์ธ
+ 5. **โฌ๏ธ ์๋๋ก ์คํฌ๋กคํ๋ฉด ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
!**
+
+ **๐ก ํ**
+ - ์ฌ๋ผ์ด๋๋ก ํ์ฑ๋จ๊ณ ์กฐ์ (0%โ100%)
+ - ์๋์ฌ์ ๋ฒํผ์ผ๋ก ์ ๋๋ฉ์ด์
์คํ
+ """)
+
+ # ์
๋ฐ์ดํธ ๋ด์ญ
+ with st.sidebar.expander("๐ ์
๋ฐ์ดํธ ๋ด์ญ", expanded=False):
+ st.markdown("""
+ **v4.1 (2025-12-14)** ๐
+ - ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ 31์ข
์ถ๊ฐ
+ - ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
๊ธฐ๋ฅ
+ - 7๊ฐ ์นดํ
๊ณ ๋ฆฌ ๋ถ๋ฅ
+
+ **v4.0**
+ - Project Genesis ํตํฉ ๋ฌผ๋ฆฌ ์์ง
+ - ์งํ ์๋๋ฆฌ์ค ํญ
+
+ **v3.0**
+ - ๋ค์ค ์ด๋ก ๋ชจ๋ธ ๋น๊ต
+ - ์คํฌ๋ฆฝํธ ๋ฉ
+ """)
+
+ st.sidebar.markdown("---")
+
+ # Resolution Control
+ grid_size = st.sidebar.slider("ํด์๋ (Grid Size)", 40, 150, 60, 10, help="๋ฎ์์๋ก ๋น ๋ฆ / ๋์์๋ก ์ ๋ฐ")
+
+ # ========== ํญ ์ฌ๋ฐฐ์น: ๊ฐค๋ฌ๋ฆฌ ๋จผ์ ==========
+ t_gallery, t_genesis, t_scenarios, t_lab = st.tabs([
+ "๐ ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ",
+ "๐ Project Genesis (์๋ฎฌ๋ ์ด์
)",
+ "๐ ์งํ ์๋๋ฆฌ์ค (Landforms)",
+ "๐ป ์คํฌ๋ฆฝํธ ๋ฉ (Lab)"
+ ])
+
+ # 1. Alias for Genesis Main Tab
+ tab_genesis = t_genesis
+
+ # 2. Ideal Landform Gallery (FIRST TAB - ๊ต์ฌ์ฉ ๋ฉ์ธ)
+ with t_gallery:
+ st.header("๐ ์ด์์ ์งํ ๊ฐค๋ฌ๋ฆฌ")
+ st.markdown("_๊ต๊ณผ์์ ์ธ ์งํ ํํ๋ฅผ ๊ธฐํํ์ ๋ชจ๋ธ๋ก ์๊ฐํํฉ๋๋ค._")
+
+ # ๊ฐ์กฐ ๋ฉ์์ง
+ st.info("๐ก **Tip:** ์งํ ์ ํ ํ **์๋๋ก ์คํฌ๋กค**ํ๋ฉด **๐ฌ ํ์ฑ ๊ณผ์ ์ ๋๋ฉ์ด์
**์ ํ์ธํ ์ ์์ต๋๋ค!")
+
+ # ์นดํ
๊ณ ๋ฆฌ๋ณ ์งํ
+ st.sidebar.markdown("---")
+ st.sidebar.subheader("๐๏ธ ์งํ ์นดํ
๊ณ ๋ฆฌ")
+ category = st.sidebar.radio("์นดํ
๊ณ ๋ฆฌ ์ ํ", [
+ "๐ ํ์ฒ ์งํ",
+ "๐บ ์ผ๊ฐ์ฃผ ์ ํ",
+ "โ๏ธ ๋นํ ์งํ",
+ "๐ ํ์ฐ ์งํ",
+ "๐ฆ ์นด๋ฅด์คํธ ์งํ",
+ "๐๏ธ ๊ฑด์กฐ ์งํ",
+ "๐๏ธ ํด์ ์งํ"
+ ], key="gallery_cat")
+
+ # ์นดํ
๊ณ ๋ฆฌ๋ณ ์ต์
+ if category == "๐ ํ์ฒ ์งํ":
+ landform_options = {
+ "๐ ์ ์์ง (Alluvial Fan)": "alluvial_fan",
+ "๐ ์์ ๊ณก๋ฅ (Free Meander)": "free_meander",
+ "โฐ๏ธ ๊ฐ์
๊ณก๋ฅ+ํ์๋จ๊ตฌ (Incised Meander)": "incised_meander",
+ "๐๏ธ V์๊ณก (V-Valley)": "v_valley",
+ "๐ ๋ง์ํ์ฒ (Braided River)": "braided_river",
+ "๐ง ํญํฌ (Waterfall)": "waterfall",
+ }
+ elif category == "๐บ ์ผ๊ฐ์ฃผ ์ ํ":
+ landform_options = {
+ "๐บ ์ผ๋ฐ ์ผ๊ฐ์ฃผ (Delta)": "delta",
+ "๐ฆถ ์กฐ์กฑ์ ์ผ๊ฐ์ฃผ (Bird-foot)": "bird_foot_delta",
+ "๐ ํธ์ ์ผ๊ฐ์ฃผ (Arcuate)": "arcuate_delta",
+ "๐ ์ฒจ๋์ ์ผ๊ฐ์ฃผ (Cuspate)": "cuspate_delta",
+ }
+ elif category == "โ๏ธ ๋นํ ์งํ":
+ landform_options = {
+ "โ๏ธ U์๊ณก (U-Valley)": "u_valley",
+ "๐ฅฃ ๊ถ๊ณก (Cirque)": "cirque",
+ "๐๏ธ ํธ๋ฅธ (Horn)": "horn",
+ "๐ ํผ์ค๋ฅด๋ (Fjord)": "fjord",
+ "๐ฅ ๋๋ผ๋ฆฐ (Drumlin)": "drumlin",
+ "๐ชจ ๋นํด์ (Moraine)": "moraine",
+ }
+ elif category == "๐ ํ์ฐ ์งํ":
+ landform_options = {
+ "๐ก๏ธ ์์ํ์ฐ (Shield)": "shield_volcano",
+ "๐ป ์ฑ์ธตํ์ฐ (Stratovolcano)": "stratovolcano",
+ "๐ณ๏ธ ์นผ๋ฐ๋ผ (Caldera)": "caldera",
+ "๐ง ํ๊ตฌํธ (Crater Lake)": "crater_lake",
+ "๐ซ ์ฉ์๋์ง (Lava Plateau)": "lava_plateau",
+ }
+ elif category == "๐ฆ ์นด๋ฅด์คํธ ์งํ":
+ landform_options = {
+ "๐ณ๏ธ ๋๋ฆฌ๋ค (Doline)": "karst_doline",
+ }
+ elif category == "๐๏ธ ๊ฑด์กฐ ์งํ":
+ landform_options = {
+ "๐๏ธ ๋ฐ๋ฅดํ ์ฌ๊ตฌ (Barchan)": "barchan",
+ "๐ฟ ๋ฉ์ฌ/๋ทฐํธ (Mesa/Butte)": "mesa_butte",
+ }
+ else: # ํด์ ์งํ
+ landform_options = {
+ "๐๏ธ ํด์ ์ ๋ฒฝ (Coastal Cliff)": "coastal_cliff",
+ "๐ ์ฌ์ทจ+์ํธ (Spit+Lagoon)": "spit_lagoon",
+ "๐๏ธ ์ก๊ณ์ฌ์ฃผ (Tombolo)": "tombolo",
+ "๐ ๋ฆฌ์์ค ํด์ (Ria Coast)": "ria_coast",
+ "๐ ํด์์์น (Sea Arch)": "sea_arch",
+ "๐๏ธ ํด์์ฌ๊ตฌ (Coastal Dune)": "coastal_dune",
+ }
+
+ col_sel, col_view = st.columns([1, 3])
+
+ with col_sel:
+ selected_landform = st.selectbox("์งํ ์ ํ", list(landform_options.keys()))
+ landform_key = landform_options[selected_landform]
+
+ # Parameters based on landform type
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+
+ gallery_grid_size = st.slider("ํด์๋", 50, 150, 80, 10, key="gallery_res")
+
+ # ๋์ ์งํ ์์ฑ (IDEAL_LANDFORM_GENERATORS ์ฌ์ฉ)
+ if landform_key in IDEAL_LANDFORM_GENERATORS:
+ generator = IDEAL_LANDFORM_GENERATORS[landform_key]
+
+ # lambda์ธ ๊ฒฝ์ฐ grid_size๋ง ์ ๋ฌ
+ try:
+ elevation = generator(gallery_grid_size)
+ except TypeError:
+ # stage ์ธ์๊ฐ ํ์ํ ๊ฒฝ์ฐ
+ elevation = generator(gallery_grid_size, 1.0)
+ else:
+ st.error(f"์งํ '{landform_key}' ์์ฑ๊ธฐ๋ฅผ ์ฐพ์ ์ ์์ต๋๋ค.")
+ elevation = np.zeros((gallery_grid_size, gallery_grid_size))
+
+ with col_view:
+ # ๊ธฐ๋ณธ: 2D ํ๋ฉด๋ (matplotlib) - WebGL ์ปจํ
์คํธ ์ฌ์ฉ ์ ํจ
+ import matplotlib.pyplot as plt
+ import matplotlib.colors as mcolors
+
+ fig_2d, ax = plt.subplots(figsize=(8, 8))
+
+ # ์งํ ์์ ๋งต
+ cmap = plt.cm.terrain
+
+ # ๋ฌผ์ด ์๋ ์งํ์ ํ๋์ ์ค๋ฒ๋ ์ด
+ water_mask = elevation < 0
+
+ im = ax.imshow(elevation, cmap=cmap, origin='upper')
+
+ # ๋ฌผ ์์ญ ํ์
+ if water_mask.any():
+ water_overlay = np.ma.masked_where(~water_mask, np.ones_like(elevation))
+ ax.imshow(water_overlay, cmap='Blues', alpha=0.6, origin='upper')
+
+ ax.set_title(f"{selected_landform}", fontsize=14)
+ ax.axis('off')
+
+ # ์ปฌ๋ฌ๋ฐ
+ cbar = plt.colorbar(im, ax=ax, shrink=0.6, label='๊ณ ๋ (m)')
+
+ st.pyplot(fig_2d)
+ plt.close(fig_2d)
+
+ # 3D ๋ณด๊ธฐ (๋ฒํผ ํด๋ฆญ ์์๋ง)
+ if st.button("๐ฒ 3D ๋ทฐ ๋ณด๊ธฐ", key="show_3d_view"):
+ fig_3d = render_terrain_plotly(
+ elevation,
+ f"{selected_landform} - 3D",
+ add_water=(landform_key in ["delta", "meander", "coastal_cliff", "fjord", "ria_coast", "spit_lagoon"]),
+ water_level=0 if landform_key in ["delta", "coastal_cliff"] else -999,
+ force_camera=True
+ )
+ st.plotly_chart(fig_3d, use_container_width=True)
+
+ # Educational Description
+ descriptions = {
+ # ํ์ฒ ์งํ
+ "delta": "**์ผ๊ฐ์ฃผ**: ํ์ฒ์ด ๋ฐ๋ค๋ ํธ์์ ์ ์
๋ ๋ ์ ์์ด ๊ฐ์ํ์ฌ ์ด๋ฐ ์ค์ด๋ ํด์ ๋ฌผ์ด ์์ฌ ํ์ฑ๋ฉ๋๋ค.",
+ "alluvial_fan": "**์ ์์ง**: ์ฐ์ง์์ ํ์ง๋ก ๋์ค๋ ๊ณณ์์ ๊ฒฝ์ฌ๊ฐ ๊ธ๊ฐํ์ฌ ์ด๋ฐ๋ ฅ์ด ์ค์ด๋ค๋ฉด์ ํด์ ๋ฌผ์ด ๋ถ์ฑ๊ผด๋ก ์์
๋๋ค.",
+ "meander": "**๊ณก๋ฅ**: ํ์ฒ์ด ์ค๋ฅ์์ ์ธก๋ฐฉ ์นจ์๊ณผ ํด์ ์ ๋ฐ๋ณตํ๋ฉฐ S์ ํํ๋ก ์ฌํํฉ๋๋ค.",
+ "free_meander": "**์์ ๊ณก๋ฅ**: ๋ฒ๋์ ์๋ฅผ ์์ ๋กญ๊ฒ ์ฌํํ๋ ๊ณก๋ฅ. ์์ฐ์ ๋ฐฉ(Levee)๊ณผ ๋ฐฐํ์ต์ง๊ฐ ํน์ง์
๋๋ค.",
+ "incised_meander": "**๊ฐ์
๊ณก๋ฅ**: ์ต๊ธฐ๋ก ์ธํด ๊ณก๋ฅ๊ฐ ๊ธฐ๋ฐ์์ ํ๊ณ ๋ค๋ฉด์ ํ์ฑ. ํ์๋จ๊ตฌ(River Terrace)๊ฐ ํจ๊ป ๋ํ๋ฉ๋๋ค.",
+ "v_valley": "**V์๊ณก**: ํ์ฒ์ ํ๋ฐฉ ์นจ์์ด ์ฐ์ธํ๊ฒ ์์ฉํ์ฌ ํ์ฑ๋ V์ ๋จ๋ฉด์ ๊ณจ์ง๊ธฐ.",
+ # ์ผ๊ฐ์ฃผ ์ ํ
+ "bird_foot_delta": "**์กฐ์กฑ์ ์ผ๊ฐ์ฃผ**: ๋ฏธ์์ํผ๊ฐํ. ํ๋ ์ฝํ๊ณ ํด์ ๋ฌผ ๊ณต๊ธ ๋ง์ ๋ ์๋ฐ ๋ชจ์์ผ๋ก ๊ธธ๊ฒ ๋ป์ต๋๋ค.",
+ "arcuate_delta": "**ํธ์ ์ผ๊ฐ์ฃผ**: ๋์ผ๊ฐํ. ํ๋๊ณผ ํด์ ๋ฌผ ๊ณต๊ธ์ด ๊ท ํ์ ์ด๋ฃจ์ด ๋ถ๋๋ฌ์ด ํธ(Arc) ํํ.",
+ "cuspate_delta": "**์ฒจ๋์ ์ผ๊ฐ์ฃผ**: ํฐ๋ฒ ๋ฅด๊ฐํ. ํ๋์ด ๊ฐํด ์ผ๊ฐ์ฃผ๊ฐ ๋พฐ์กฑํ ํ์ด์ด ๋ชจ์์ผ๋ก ํ์ฑ.",
+ # ๋นํ ์งํ
+ "u_valley": "**U์๊ณก**: ๋นํ์ ์นจ์์ผ๋ก ํ์ฑ๋ U์ ๋จ๋ฉด์ ๊ณจ์ง๊ธฐ. ์ธก๋ฒฝ์ด ๊ธํ๊ณ ๋ฐ๋ฅ์ด ํํํฉ๋๋ค.",
+ "cirque": "**๊ถ๊ณก(Cirque)**: ๋นํ์ ์์์ . ๋ฐ์ํ ์ํน ํ์ธ ์งํ์ผ๋ก, ๋นํ ์ตํด ํ ํธ์(Tarn)๊ฐ ํ์ฑ๋ฉ๋๋ค.",
+ "horn": "**ํธ๋ฅธ(Horn)**: ์ฌ๋ฌ ๊ถ๊ณก์ด ๋ง๋๋ ๊ณณ์์ ์นจ์๋์ง ์๊ณ ๋จ์ ๋พฐ์กฑํ ํผ๋ผ๋ฏธ๋ํ ๋ด์ฐ๋ฆฌ. (์: ๋งํฐํธ๋ฅธ)",
+ "fjord": "**ํผ์ค๋ฅด๋(Fjord)**: ๋นํ๊ฐ ํ๋ธ U์๊ณก์ ๋ฐ๋ค๊ฐ ์ ์
๋ ์ข๊ณ ๊น์ ๋ง. (์: ๋
ธ๋ฅด์จ์ด)",
+ "drumlin": "**๋๋ผ๋ฆฐ(Drumlin)**: ๋นํ ํด์ ๋ฌผ์ด ๋นํ ํ๋ฆ ๋ฐฉํฅ์ผ๋ก ๊ธธ์ญํ๊ฒ ์์ธ ํ์ํ ์ธ๋.",
+ "moraine": "**๋นํด์(Moraine)**: ๋นํ๊ฐ ์ด๋ฐํ ์์ค์ด ํด์ ๋ ์งํ. ์ธกํด์, ์ข
ํด์ ๋ฑ์ด ์์ต๋๋ค.",
+ # ํ์ฐ ์งํ
+ "shield_volcano": "**์์ํ์ฐ**: ์ ๋์ฑ ๋์ ํ๋ฌด์์ง ์ฉ์์ด ์๋งํ๊ฒ(5-10ยฐ) ์์ฌ ๋ฐฉํจ ํํ. (์: ํ์์ด ๋ง์ฐ๋๋ก์)",
+ "stratovolcano": "**์ฑ์ธตํ์ฐ**: ์ฉ์๊ณผ ํ์ฐ์์ค๋ฌผ์ด ๊ต๋๋ก ์์ฌ ๊ธํ(25-35ยฐ) ์๋ฟํ. (์: ํ์ง์ฐ, ๋ฐฑ๋์ฐ)",
+ "caldera": "**์นผ๋ฐ๋ผ**: ๋๊ท๋ชจ ๋ถํ ํ ๋ง๊ทธ๋ง๋ฐฉ ํจ๋ชฐ๋ก ํ์ฑ๋ ๊ฑฐ๋ํ ๋ถ์ง. (์: ๋ฐฑ๋์ฐ ์ฒ์ง)",
+ "crater_lake": "**ํ๊ตฌํธ**: ํ๊ตฌ๋ ์นผ๋ฐ๋ผ์ ๋ฌผ์ด ๊ณ ์ฌ ํ์ฑ๋ ํธ์. (์: ๋ฐฑ๋์ฐ ์ฒ์ง)",
+ "lava_plateau": "**์ฉ์๋์ง**: ์ด๊ทน ๋ถ์ถ๋ก ํ๋ฌด์์ง ์ฉ์์ด ๋๊ฒ ํผ์ณ์ ธ ํํํ ๋์ง ํ์ฑ.",
+ # ๊ฑด์กฐ ์งํ
+ "barchan": "**๋ฐ๋ฅดํ ์ฌ๊ตฌ**: ๋ฐ๋์ด ํ ๋ฐฉํฅ์์ ๋ถ ๋ ํ์ฑ๋๋ ์ด์น๋ฌ ๋ชจ์์ ์ฌ๊ตฌ.",
+ "mesa_butte": "**๋ฉ์ฌ/๋ทฐํธ**: ์ฐจ๋ณ์นจ์์ผ๋ก ๋จ์ ํ์์ง. ๋ฉ์ฌ๋ ํฌ๊ณ ํํ, ๋ทฐํธ๋ ์๊ณ ๋์ต๋๋ค.",
+ "karst_doline": "**๋๋ฆฌ๋ค(Doline)**: ์ํ์ ์ฉ์์ผ๋ก ํ์ฑ๋ ์ํน ํ์ธ ์์ง. ์นด๋ฅด์คํธ ์งํ์ ๋ํ์ ํน์ง.",
+ # ํด์ ์งํ
+ "coastal_cliff": "**ํด์ ์ ๋ฒฝ**: ํ๋์ ์นจ์์ผ๋ก ํ์ฑ๋ ์ ๋ฒฝ. ์ ๋ฒฝ ํํด ์ ์์คํ(Sea Stack)์ด ๋จ๊ธฐ๋ ํฉ๋๋ค.",
+ "spit_lagoon": "**์ฌ์ทจ+์ํธ**: ์ฐ์๋ฅ์ ์ํด ํด์ ๋ฌผ์ด ๊ธธ๊ฒ ์์ธ ์ฌ์ทจ๊ฐ ๋ง์ ๋ง์ ์ํธ(Lagoon)๋ฅผ ํ์ฑํฉ๋๋ค.",
+ "tombolo": "**์ก๊ณ์ฌ์ฃผ(Tombolo)**: ์ฐ์๋ฅ์ ์ํ ํด์ ์ผ๋ก ์ก์ง์ ์ฌ์ด ๋ชจ๋ํฑ์ผ๋ก ์ฐ๊ฒฐ๋ ์งํ.",
+ "ria_coast": "**๋ฆฌ์์ค์ ํด์**: ๊ณผ๊ฑฐ ํ๊ณก์ด ํด์๋ฉด ์์น์ผ๋ก ์นจ์๋์ด ํ์ฑ๋ ํฑ๋ ๋ชจ์ ํด์์ .",
+ "sea_arch": "**ํด์์์น(Sea Arch)**: ๊ณถ์์ ํ๋ ์นจ์์ผ๋ก ํ์ฑ๋ ์์นํ ์งํ. ๋ ์งํ๋๋ฉด ์์คํ์ด ๋ฉ๋๋ค.",
+ "coastal_dune": "**ํด์์ฌ๊ตฌ**: ํด๋น์ ๋ชจ๋๊ฐ ๋ฐ๋์ ์ํด ์ก์ง ์ชฝ์ผ๋ก ์ด๋ฐ๋์ด ํ์ฑ๋ ๋ชจ๋ ์ธ๋.",
+ # ํ์ฒ ์ถ๊ฐ
+ "braided_river": "**๋ง์ํ์ฒ(Braided River)**: ํด์ ๋ฌผ์ด ๋ง๊ณ ๊ฒฝ์ฌ๊ฐ ๊ธํ ๋ ์ฌ๋ฌ ์๋ก๊ฐ ๊ฐ๋ผ์ก๋ค ํฉ์ณ์ง๋ ํ์ฒ.",
+ "waterfall": "**ํญํฌ(Waterfall)**: ๊ฒฝ์๊ณผ ์ฐ์์ ์ฐจ๋ณ์นจ์์ผ๋ก ํ์ฑ๋ ๊ธ๊ฒฝ์ฌ ๋์ฐจ. ํํดํ๋ฉฐ ํ๊ณก ํ์ฑ.",
+ }
+ st.info(descriptions.get(landform_key, "์ค๋ช
์ค๋น ์ค์
๋๋ค."))
+
+ # ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
(์ง์ ์งํ๋ง)
+ if landform_key in ANIMATED_LANDFORM_GENERATORS:
+ st.markdown("---")
+ st.subheader("๐ฌ ํ์ฑ ๊ณผ์ ")
+
+ # ๋จ์ผ ์ฌ๋ผ์ด๋๋ก ํ์ฑ ๋จ๊ณ ์กฐ์
+ stage_value = st.slider(
+ "ํ์ฑ ๋จ๊ณ (0% = ์์, 100% = ์์ฑ)",
+ 0.0, 1.0, 1.0, 0.05,
+ key="gallery_stage_slider"
+ )
+
+ # ํด๋น ๋จ๊ณ ์งํ ์์ฑ
+ anim_func = ANIMATED_LANDFORM_GENERATORS[landform_key]
+ stage_elev = anim_func(gallery_grid_size, stage_value)
+
+ # ๋ฌผ ์์ฑ
+ stage_water = np.maximum(0, -stage_elev + 1.0)
+ stage_water[stage_elev > 2] = 0
+
+ # ํน์ ์งํ ๋ฌผ ์ฒ๋ฆฌ
+ if landform_key == "alluvial_fan":
+ apex_y = int(gallery_grid_size * 0.15)
+ center = gallery_grid_size // 2
+ for r in range(apex_y + 5):
+ for dc in range(-2, 3):
+ c = center + dc
+ if 0 <= c < gallery_grid_size:
+ stage_water[r, c] = 3.0
+
+ # ๋จ์ผ 3D ๋ ๋๋ง (WebGL ์ปจํ
์คํธ ์ ์ฝ)
+ fig_stage = render_terrain_plotly(
+ stage_elev,
+ f"{selected_landform} - {int(stage_value*100)}%",
+ add_water=True,
+ water_depth_grid=stage_water,
+ water_level=-999,
+ force_camera=True
+ )
+ st.plotly_chart(fig_stage, use_container_width=True, key="stage_view")
+
+ # ์๋ ์ฌ์ ๋ฒํผ
+ if st.button("โถ๏ธ ์๋ ์ฌ์ (0%โ100%)", key="auto_play"):
+ stage_container = st.empty()
+ prog = st.progress(0)
+
+ for i in range(11):
+ s = i / 10.0
+ elev = anim_func(gallery_grid_size, s)
+ water = np.maximum(0, -elev + 1.0)
+ water[elev > 2] = 0
+
+ fig = render_terrain_plotly(
+ elev, f"{selected_landform} - {int(s*100)}%",
+ add_water=True, water_depth_grid=water,
+ water_level=-999, force_camera=False
+ )
+ stage_container.plotly_chart(fig, use_container_width=True)
+ prog.progress(s)
+
+ import time
+ time.sleep(0.4)
+
+ st.success("โ
์๋ฃ!")
+
+ # 3. Scenarios Sub-tabs
+ with t_scenarios:
+ tab_river, tab_coast, tab_karst, tab_volcano, tab_glacial, tab_arid, tab_plain = st.tabs([
+ "๐ ํ์ฒ", "๐๏ธ ํด์", "๐ฆ ์นด๋ฅด์คํธ", "๐ ํ์ฐ", "โ๏ธ ๋นํ", "๐๏ธ ๊ฑด์กฐ", "๐พ ํ์ผ"
+ ])
+
+ # 4. Lab Tab Alias
+ tab_script = t_lab
+
+ # ===== ํ์ฒ ์งํ (ํตํฉ) =====
+ with tab_river:
+ # ํ์ฒ ์ธ๋ถ ํญ
+ river_sub = st.tabs(["๐๏ธ V์๊ณก/ํ๊ณก", "๐ ๊ณก๋ฅ/์ฐ๊ฐํธ", "๐บ ์ผ๊ฐ์ฃผ", "๐ ์ ์์ง", "๐ ํ์๋จ๊ตฌ", "โ๏ธ ํ์ฒ์ํ", "๐ ๊ฐ์
๊ณก๋ฅ", "๐ ๋ง์ํ์ฒ", "๐ง ํญํฌ/ํฌํธํ", "๐พ ๋ฒ๋์ ์์ธ"])
+
+ # V์๊ณก
+ with river_sub[0]:
+ c1, c2 = st.columns([1, 2])
+
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ v_theory = st.selectbox("์นจ์ ๋ชจ๋ธ", list(V_VALLEY_THEORIES.keys()), key="v_th")
+ show_theory_card(V_VALLEY_THEORIES, v_theory)
+
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+
+ st.markdown("**โฑ๏ธ ์๊ฐ ์ค์ผ์ผ**")
+ time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"],
+ key="v_ts", horizontal=True)
+
+ if time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ v_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="v_t1")
+ elif time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ v_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="v_t2")
+ else:
+ v_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 10_000_000, 1_000_000, key="v_t3")
+
+ v_rock = st.slider("๐ชจ ์์ ๊ฒฝ๋", 0.1, 0.9, 0.4, 0.1, key="v_r")
+
+ theory_key = V_VALLEY_THEORIES[v_theory]['key']
+ params = {'K': 0.0001, 'rock_hardness': v_rock}
+
+ if theory_key == "shear_stress":
+ params['tau_c'] = st.slider("ฯc (์๊ณ ์ ๋จ์๋ ฅ)", 1.0, 20.0, 5.0, 1.0)
+ elif theory_key == "detachment":
+ params['Qs'] = st.slider("Qs (ํด์ ๋ฌผ ๊ณต๊ธ๋น)", 0.0, 0.8, 0.3, 0.1)
+
+ with c2:
+ result = simulate_v_valley(theory_key, v_time, params, grid_size=grid_size)
+
+ # ๊ฒฐ๊ณผ ํ์ ๋ฐ ์ ๋๋ฉ์ด์
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("V์๊ณก ๊น์ด", f"{result['depth']:.0f} m")
+ col_res.metric("๊ฒฝ๊ณผ ์๊ฐ", f"{v_time:,} ๋
")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ # ์ ๋๋ฉ์ด์
์ฌ์
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="v_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="v_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {v_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, v_time // 20)
+
+ for _ in range(n_reps):
+ for t in range(0, v_time + 1, step_size):
+ # ๋งค ํ๋ ์ ๊ณ์ฐ
+ r_step = simulate_v_valley(theory_key, t, params, grid_size=grid_size)
+ # Plotly ๋ ๋๋ง (๋น ๋ฆ)
+ fig_step = render_terrain_plotly(r_step['elevation'],
+ f"V์๊ณก ({t:,}๋
)",
+ add_water=True, water_level=r_step['elevation'].min() + 3,
+ texture_path="assets/reference/v_valley_texture.png", force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="v_plot_shared")
+ anim_prog.progress(min(1.0, t / v_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ # ๋ง์ง๋ง ์ํ ์ ์ง
+ result = r_step
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="v_v")
+ if "2D" in v_mode:
+ fig = render_v_valley_3d(result['elevation'], result['x'],
+ f"V์๊ณก - {v_theory} ({v_time:,}๋
)",
+ result['depth'])
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(
+ result['elevation'],
+ f"V์๊ณก | ๊น์ด: {result['depth']:.0f}m | {v_time:,}๋
",
+ add_water=True, water_level=result['elevation'].min() + 3,
+ texture_path="assets/reference/v_valley_texture.png",
+ water_depth_grid=result.get('water_depth')
+ )
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="v_plot_shared")
+ else:
+ st.image("assets/reference/v_valley_satellite_1765437288622.png",
+ caption="V์๊ณก - Google Earth ์คํ์ผ (AI ์์ฑ)",
+ use_column_width=True)
+
+ # ๊ณก๋ฅ
+ with river_sub[1]:
+ c1, c2 = st.columns([1, 2])
+
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ m_theory = st.selectbox("๊ณก๋ฅ ๋ชจ๋ธ", list(MEANDER_THEORIES.keys()), key="m_th")
+ show_theory_card(MEANDER_THEORIES, m_theory)
+
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+
+ st.markdown("**โฑ๏ธ ์๊ฐ ์ค์ผ์ผ**")
+ m_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"],
+ key="m_ts", horizontal=True)
+
+ if m_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ m_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="m_t1")
+ elif m_time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ m_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="m_t2")
+ else:
+ m_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 10_000_000, 1_000_000, key="m_t3")
+
+ m_amp = st.slider("์ด๊ธฐ ์งํญ (m)", 10, 80, 40, 10, key="m_a")
+
+ theory_key = MEANDER_THEORIES[m_theory]['key']
+ params = {'init_amplitude': m_amp, 'E0': 0.4}
+
+ if theory_key == "ikeda_parker":
+ params['velocity'] = st.slider("U (์ ์ m/s)", 0.5, 3.0, 1.5, 0.5)
+ elif theory_key == "seminara":
+ params['froude'] = st.slider("Fr (Froude์)", 0.1, 0.8, 0.3, 0.1)
+
+ with c2:
+ result = simulate_meander(theory_key, m_time, params)
+
+ # ๊ฒฐ๊ณผ ๋ฐ ์ ๋๋ฉ์ด์
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("๊ตด๊ณก๋", f"{result['sinuosity']:.2f}")
+ # col_res.metric("์ฐ๊ฐํธ", f"{len(result.get('oxbow_lakes', []))} ๊ฐ")
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="m_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="m_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {m_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค (3D)...")
+ anim_chart = st.empty()
+ anim_prog = st.progress(0)
+ step_size = max(1, m_time // 10) # 10 frames
+
+ for _ in range(n_reps):
+ for t in range(0, m_time + 1, step_size):
+ r_step = simulate_meander(theory_key, t, params)
+
+ # 3D ๋ ๋๋ง (๊ฐ๋ณ๊ฒ)
+ fig_step = render_terrain_plotly(
+ r_step['elevation'],
+ f"์์ ๊ณก๋ฅ ({t:,}๋
)",
+ water_depth_grid=r_step['water_depth'],
+ texture_path="assets/reference/meander_texture.png"
+ )
+ anim_chart.plotly_chart(fig_step, use_container_width=True, key=f"m_anim_{t}")
+
+ anim_prog.progress(min(1.0, t / m_time))
+ st.success("์ฌ์ ์๋ฃ!")
+ result = r_step
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="m_v")
+ if "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ fig = render_terrain_plotly(
+ result['elevation'],
+ f"์์ ๊ณก๋ฅ - {MEANDER_THEORIES[m_theory].get('description', '')[:20]}...",
+ water_depth_grid=result['water_depth'],
+ texture_path="assets/reference/meander_texture.png"
+ )
+ st.plotly_chart(fig, use_container_width=True, key="m_plot")
+ else:
+ st.image("assets/reference/meander_satellite_1765437309640.png",
+ caption="๊ณก๋ฅ ํ์ฒ - Google Earth ์คํ์ผ (AI ์์ฑ)",
+ use_column_width=True)
+
+ # ์ผ๊ฐ์ฃผ
+ with river_sub[2]:
+ c1, c2 = st.columns([1, 2])
+
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ d_theory = st.selectbox("์ผ๊ฐ์ฃผ ๋ชจ๋ธ", list(DELTA_THEORIES.keys()), key="d_th")
+ show_theory_card(DELTA_THEORIES, d_theory)
+
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+
+ st.markdown("**โฑ๏ธ ์๊ฐ ์ค์ผ์ผ**")
+ d_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"],
+ key="d_ts", horizontal=True)
+
+ if d_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ d_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 6_000, 500, key="d_t1")
+ elif d_time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ d_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 200_000, 10_000, key="d_t2")
+ else:
+ d_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 20_000_000, 1_000_000, key="d_t3")
+
+ theory_key = DELTA_THEORIES[d_theory]['key']
+ params = {}
+
+ if theory_key == "galloway":
+ params['river'] = st.slider("ํ์ฒ ์๋์ง", 0, 100, 55, 5) / 100
+ params['wave'] = st.slider("ํ๋ ์๋์ง", 0, 100, 30, 5) / 100
+ params['tidal'] = st.slider("์กฐ๋ฅ ์๋์ง", 0, 100, 15, 5) / 100
+ elif theory_key == "orton":
+ params['grain'] = st.slider("์
์ํฌ๊ธฐ (0=์ธ๋ฆฝ, 1=์กฐ๋ฆฝ)", 0.0, 1.0, 0.5, 0.1)
+ params['wave'] = st.slider("ํ๋ ์๋์ง", 0, 100, 30, 5) / 100
+ params['tidal'] = st.slider("์กฐ๋ฅ ์๋์ง", 0, 100, 20, 5) / 100
+ elif theory_key == "bhattacharya":
+ params['Qsed'] = st.slider("ํด์ ๋ฌผ๋ (ํค/๋
)", 10, 100, 50, 10)
+ params['Hs'] = st.slider("์ ์ํ๊ณ (m)", 0.5, 4.0, 1.5, 0.5)
+ params['Tr'] = st.slider("์กฐ์ฐจ (m)", 0.5, 6.0, 2.0, 0.5)
+
+ st.markdown("---")
+ params['accel'] = st.slider("โก ์๋ฎฌ๋ ์ด์
๊ฐ์ (ํ์ค์ฑ vs ์๋)", 1.0, 20.0, 1.0, 0.5,
+ help="1.0์ ๋ฌผ๋ฆฌ์ ์ผ๋ก ์ ํํ ์๋์
๋๋ค. ๊ฐ์ ๋์ด๋ฉด ์งํ ๋ณํ๊ฐ ๊ณผ์ฅ๋์ด ๋น ๋ฅด๊ฒ ๋ํ๋ฉ๋๋ค.")
+
+ with c2:
+ result = simulate_delta(theory_key, d_time, params, grid_size=grid_size)
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ # ๊ฒฐ๊ณผ ๋ฐ ์ ๋๋ฉ์ด์
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("์ผ๊ฐ์ฃผ ์ ํ", result['delta_type'])
+ col_res.metric("๋ฉด์ ", f"{result['area']:.2f} kmยฒ")
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="d_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="d_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {d_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, d_time // 20)
+
+ for _ in range(n_reps):
+ for t in range(0, d_time + 1, step_size):
+ r_step = simulate_delta(theory_key, t, params, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'],
+ f"{r_step['delta_type']} ({t:,}๋
)",
+ add_water=True, water_level=0,
+ texture_path="assets/reference/delta_texture.png", force_camera=False)
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="d_plot_shared")
+ anim_prog.progress(min(1.0, t / d_time))
+ # time.sleep(0.1)
+
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="d_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'],
+ f"์ผ๊ฐ์ฃผ - {d_theory} ({d_time:,}๋
)",
+ add_water=True, water_level=0,
+ view_elev=40, view_azim=240)
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(
+ result['elevation'],
+ f"{result['delta_type']} | ๋ฉด์ : {result['area']:.2f} kmยฒ | {d_time:,}๋
",
+ add_water=True, water_level=0,
+ texture_path="assets/reference/delta_texture.png",
+ water_depth_grid=result.get('water_depth')
+ )
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="d_plot_shared")
+ else:
+ st.image("assets/reference/delta_satellite_1765437326499.png",
+ caption="์กฐ์กฑ์ ์ผ๊ฐ์ฃผ - Google Earth ์คํ์ผ (AI ์์ฑ)",
+ use_column_width=True)
+
+ # ์ ์์ง
+ with river_sub[3]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ์ ์์ง")
+ st.info("์ฐ์ง์์ ํ์ง๋ก ๋์ค๋ ๊ณณ์ ํ์ฑ๋๋ ๋ถ์ฑ๊ผด ํด์ ์งํ")
+ st.markdown("---")
+ af_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)"], key="af_ts", horizontal=True)
+ if af_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ af_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="af_t1")
+ else:
+ af_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="af_t2")
+ af_slope = st.slider("๊ฒฝ์ฌ", 0.1, 0.9, 0.5, 0.1, key="af_s")
+ af_sed = st.slider("ํด์ ๋ฌผ๋", 0.1, 1.0, 0.5, 0.1, key="af_sed")
+ with c2:
+ result = simulate_alluvial_fan(af_time, {'slope': af_slope, 'sediment': af_sed}, grid_size=grid_size)
+ col_res, col_anim = st.columns([3, 1])
+
+ # Debug Display
+ if 'debug_sed_max' in result:
+ st.caption(f"Debug: Max Sediment = {result['debug_sed_max']:.2f}m | Steps = {result.get('debug_steps')}")
+
+ col_res.metric("์ ์์ง ๋ฉด์ ", f"{result['area']:.2f} kmยฒ")
+ col_res.metric("์ ์์ง ๋ฐ๊ฒฝ", f"{result['radius']:.2f} km")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ # Render using sediment grid for accurate coloring
+ fig = render_terrain_plotly(
+ result['elevation'],
+ "์ ์์ง (Alluvial Fan)",
+ water_depth_grid=result.get('water_depth'),
+ sediment_grid=result.get('sediment'), # Pass sediment layer
+ force_camera=False
+ )
+ plot_container.plotly_chart(fig, use_container_width=True, key="af_plot_final")
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="af_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="af_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {af_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, af_time // 20)
+ for _ in range(n_reps):
+ for t in range(0, af_time + 1, step_size):
+ r_step = simulate_alluvial_fan(t, {'slope': af_slope, 'sediment': af_sed}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(
+ r_step['elevation'],
+ f"์ ์์ง ({t:,}๋
)",
+ add_water=False,
+ force_camera=False,
+ water_depth_grid=r_step.get('water_depth'),
+ sediment_grid=r_step.get('sediment')
+ )
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="af_plot_shared")
+ anim_prog.progress(min(1.0, t / af_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D"], horizontal=True, key="af_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"์ ์์ง ({af_time:,}๋
)", add_water=False)
+ plot_container.pyplot(fig)
+ plt.close()
+ else:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(result['elevation'], f"์ ์์ง | ๋ฉด์ : {result['area']:.2f}kmยฒ | {af_time:,}๋
", add_water=False, texture_path="assets/reference/alluvial_fan_texture.png", water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="af_plot_shared")
+
+ # ํ์๋จ๊ตฌ
+ with river_sub[4]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ํ์๋จ๊ตฌ")
+ st.info("ํ์ฒ ์์ ๊ณ๋จ ๋ชจ์์ผ๋ก ํ์ฑ๋ ํํ๋ฉด (๊ตฌ ๋ฒ๋์)")
+ st.markdown("---")
+ rt_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)"], key="rt_ts", horizontal=True)
+ if rt_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ rt_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="rt_t1")
+ else:
+ rt_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="rt_t2")
+ rt_uplift = st.slider("์ง๋ฐ ์ต๊ธฐ์จ", 0.1, 1.0, 0.5, 0.1, key="rt_u")
+ rt_n = st.slider("๋จ๊ตฌ๋ฉด ์", 1, 5, 3, 1, key="rt_n")
+ with c2:
+ result = simulate_river_terrace(rt_time, {'uplift': rt_uplift, 'n_terraces': rt_n}, grid_size=grid_size)
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("ํ์ฑ๋ ๋จ๊ตฌ๋ฉด", f"{result['n_terraces']} ๋จ")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="rt_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="rt_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {rt_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, rt_time // 20)
+ for _ in range(n_reps):
+ for t in range(0, rt_time + 1, step_size):
+ r_step = simulate_river_terrace(t, {'uplift': rt_uplift, 'n_terraces': rt_n}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'], f"ํ์๋จ๊ตฌ ({t:,}๋
)", add_water=True, water_level=r_step['elevation'].min()+5, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="rt_plot_shared")
+ anim_prog.progress(min(1.0, t / rt_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D"], horizontal=True, key="rt_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"ํ์๋จ๊ตฌ ({af_time:,}๋
)", add_water=True, water_level=result['elevation'].min()+5)
+ plot_container.pyplot(fig)
+ plt.close()
+ else:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(result['elevation'], f"ํ์๋จ๊ตฌ | {result['n_terraces']}๋จ | {rt_time:,}๋
", add_water=True, water_level=result['elevation'].min()+5, water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="rt_plot_shared")
+
+ # ํ์ฒ์ํ
+ with river_sub[5]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("โ๏ธ ํ์ฒ์ํ")
+ st.info("์นจ์๋ ฅ์ด ๊ฐํ ํ์ฒ์ด ์ธ์ ํ์ฒ์ ์๋ฅ๋ฅผ ๋นผ์๋ ํ์")
+ st.markdown("---")
+ sp_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)"], key="sp_ts", horizontal=True)
+ if sp_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ sp_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="sp_t1")
+ else:
+ sp_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="sp_t2")
+ sp_diff = st.slider("์นจ์๋ ฅ ์ฐจ์ด", 0.3, 0.9, 0.7, 0.1, key="sp_d")
+ with c2:
+ result = simulate_stream_piracy(sp_time, {'erosion_diff': sp_diff}, grid_size=grid_size)
+ col_res, col_anim = st.columns([3, 1])
+ if result['captured']:
+ col_res.success(f"โ๏ธ ํ์ฒ์ํ ๋ฐ์! ({result['capture_time']:,}๋
)")
+ else:
+ col_res.warning("์์ง ํ์ฒ์ํ์ด ๋ฐ์ํ์ง ์์")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="sp_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="sp_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {sp_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, sp_time // 20)
+ for _ in range(n_reps):
+ for t in range(0, sp_time + 1, step_size):
+ r_step = simulate_stream_piracy(t, {'erosion_diff': sp_diff}, grid_size=grid_size)
+ status = "์ํ ์งํ ์ค"
+ if r_step['captured']: status = "์ํ ๋ฐ์!"
+ fig_step = render_terrain_plotly(r_step['elevation'], f"ํ์ฒ์ํ | {status} | {t:,}๋
", add_water=False, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="sp_plot_shared")
+ anim_prog.progress(min(1.0, t / sp_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D"], horizontal=True, key="sp_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"ํ์ฒ์ํ ({sp_time:,}๋
)", add_water=True, water_level=result['elevation'].min()+3)
+ plot_container.pyplot(fig)
+ plt.close()
+ else:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ status = "์ํ ์๋ฃ" if result['captured'] else "์งํ ์ค"
+ plotly_fig = render_terrain_plotly(result['elevation'], f"ํ์ฒ์ํ | {status} | {sp_time:,}๋
", add_water=False, water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="sp_plot_shared")
+
+ # ๊ฐ์
๊ณก๋ฅ
+ with river_sub[6]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ๊ฐ์
๊ณก๋ฅ")
+ st.info("์ง๋ฐ ์ต๊ธฐ๋ก ๊ณก๋ฅ ํ์ฒ์ด ๊น์ด ํ๊ณ ๋ ์งํ")
+ st.markdown("---")
+ em_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)"], key="em_ts", horizontal=True)
+ if em_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ em_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="em_t1")
+ else:
+ em_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="em_t2")
+ em_uplift = st.slider("์ต๊ธฐ์จ", 0.1, 1.0, 0.5, 0.1, key="em_u")
+ em_type = st.radio("์ ํ", ["์ฐฉ๊ทผ๊ณก๋ฅ (U์)", "๊ฐ์
๊ณก๋ฅ (V์)"], key="em_type", horizontal=True)
+ with c2:
+ inc_type = 'U' if "์ฐฉ๊ทผ" in em_type else 'V'
+ result = simulate_entrenched_meander(em_time, {'uplift': em_uplift, 'incision_type': inc_type}, grid_size=grid_size)
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("์ ํ", result['type'])
+ col_res.metric("๊น์ด", f"{result['depth']:.0f} m")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="em_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="em_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {em_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, em_time // 20)
+ for _ in range(n_reps):
+ for t in range(0, em_time + 1, step_size):
+ r_step = simulate_entrenched_meander(t, {'uplift': em_uplift, 'incision_type': inc_type}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'], f"{r_step['type']} ({t:,}๋
)", add_water=True, water_level=r_step['elevation'].min()+5, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="em_plot_shared")
+ anim_prog.progress(min(1.0, t / em_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="em_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"{result['type']} ({em_time:,}๋
)", add_water=True, water_level=result['elevation'].min()+5)
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(result['elevation'], f"{result['type']} | ๊น์ด: {result['depth']:.0f}m | {em_time:,}๋
", add_water=True, water_level=result['elevation'].min()+2, water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="em_plot_shared")
+ else:
+ st.image("assets/reference/entrenched_meander_ref_1765496053723.png", caption="๊ฐ์
๊ณก๋ฅ (Entrenched Meander) - AI ์์ฑ", use_column_width=True)
+
+ # ๋ง์ํ์ฒ
+ with river_sub[7]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ๋ง์ ํ์ฒ")
+ st.info("ํด์ ๋ฌผ์ด ๋ง๊ณ ์ ๋ก๊ฐ ์ฝํ ์๋ ํ์ฒ")
+ st.markdown("---")
+ bs_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 1000, 100, key="bs_t")
+ bs_sed = st.slider("ํด์ ๋ฌผ๋", 0.1, 1.0, 0.8, 0.1, key="bs_sed")
+ bs_n = st.slider("์๋ก ๊ฐ์", 3, 10, 5, 1, key="bs_n")
+ with c2:
+ result = simulate_braided_stream(bs_time, {'sediment': bs_sed, 'n_channels': bs_n}, grid_size=grid_size)
+ # ์ค์ฒฉ ์ ๊ฑฐ
+ cm1, col_anim = st.columns([3, 1])
+ cm1.metric("์ ํ", result['type'])
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="bs_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="bs_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, bs_time+1, max(1, bs_time//20)):
+ r_step = simulate_braided_stream(t, {'sediment': bs_sed, 'n_channels': bs_n}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'], f"๋ง์ํ์ฒ ({t}๋
)", add_water=True, water_level=r_step['elevation'].min()+0.5, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="bs_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="bs_v")
+ if "3D" in v_mode:
+ fig = render_terrain_plotly(result['elevation'], f"๋ง์ํ์ฒ ({bs_time}๋
)", add_water=True, water_level=result['elevation'].min()+0.5, texture_path="assets/reference/braided_river_texture.png", water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(fig, use_container_width=True, key="bs_plot_shared")
+ else:
+ st.image("assets/reference/braided_river_1765410638302.png", caption="๋ง์ ํ์ฒ (AI ์์ฑ)", use_column_width=True)
+
+ # ํญํฌ
+ with river_sub[8]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ง ํญํฌ/ํฌํธํ")
+ st.info("๋๋ถ ์นจ์์ผ๋ก ํํดํ๋ ํญํฌ")
+ st.markdown("---")
+ wf_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 2000, 100, key="wf_t")
+ wf_rate = st.slider("ํํด ์๋", 0.1, 2.0, 0.5, 0.1, key="wf_r")
+ with c2:
+ result = simulate_waterfall(wf_time, {'retreat_rate': wf_rate}, grid_size=grid_size)
+ cm1, col_anim = st.columns([3, 1])
+ cm1.metric("์ด ํํด ๊ฑฐ๋ฆฌ", f"{result['retreat']:.1f} m")
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="wf_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="wf_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, wf_time+1, max(1, wf_time//20)):
+ r_step = simulate_waterfall(t, {'retreat_rate': wf_rate}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'], f"ํญํฌ ({t}๋
)", add_water=True, water_level=90, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="wf_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="wf_v")
+ if "3D" in v_mode:
+ fig = render_terrain_plotly(result['elevation'], f"ํญํฌ ({wf_time}๋
)", add_water=True, water_level=90, water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(fig, use_container_width=True, key="wf_plot_shared")
+ else:
+ st.image("assets/reference/waterfall_gorge_formation_1765410495876.png", caption="ํญํฌ ๋ฐ ํ๊ณก (AI ์์ฑ)", use_column_width=True)
+
+ # ๋ฒ๋์ ์์ธ
+ with river_sub[9]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐พ ์์ฐ์ ๋ฐฉ/๋ฐฐํ์ต์ง")
+ st.info("ํ์ ์ ํด์ ์ฐจ์ด๋ก ํ์ฑ๋๋ ๋ฏธ์งํ")
+ st.markdown("---")
+ lv_time = st.slider("์๊ฐ (๋
)", 0, 5000, 1000, 100, key="lv_t")
+ lv_freq = st.slider("๋ฒ๋ ๋น๋", 0.1, 1.0, 0.5, 0.1, key="lv_f")
+ with c2:
+ result = simulate_levee(lv_time, {'flood_freq': lv_freq}, grid_size=grid_size)
+ cm1, col_anim = st.columns([3, 1])
+ cm1.metric("์ ๋ฐฉ ๋์ด", f"{result['levee_height']:.1f} m")
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="lv_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="lv_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, lv_time+1, max(1, lv_time//20)):
+ r_step = simulate_levee(t, {'flood_freq': lv_freq}, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'], f"๋ฒ๋์ ({t}๋
)", add_water=True, water_level=42, force_camera=False, water_depth_grid=r_step.get('water_depth'))
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="lv_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="lv_v")
+ if "3D" in v_mode:
+ fig = render_terrain_plotly(result['elevation'], f"๋ฒ๋์ ์์ธ ({lv_time}๋
)", add_water=True, water_level=42, water_depth_grid=result.get('water_depth'))
+ plot_container.plotly_chart(fig, use_container_width=True, key="lv_plot_shared")
+ else:
+ st.image("assets/reference/floodplain_landforms_1765436731483.png", caption="๋ฒ๋์ - ์์ฐ์ ๋ฐฉ๊ณผ ๋ฐฐํ์ต์ง (AI ์์ฑ)", use_column_width=True)
+
+ # ===== ํด์ ์งํ =====
+ with tab_coast:
+ c1, c2 = st.columns([1, 2])
+
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ co_theory = st.selectbox("ํด์ ์นจ์ ๋ชจ๋ธ", list(COASTAL_THEORIES.keys()), key="co_th")
+ show_theory_card(COASTAL_THEORIES, co_theory)
+
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+
+ # 3๋จ๊ณ ์๊ฐ ์ค์ผ์ผ
+ st.markdown("**โฑ๏ธ ์๊ฐ ์ค์ผ์ผ**")
+ co_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"],
+ key="co_ts", horizontal=True)
+
+ if co_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ co_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 3_000, 500, key="co_t1")
+ elif co_time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ co_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 50_000, 10_000, key="co_t2")
+ else:
+ co_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 5_000_000, 1_000_000, key="co_t3")
+
+ co_wave = st.slider("๐ ํ๊ณ (m)", 0.5, 5.0, 2.0, 0.5, key="co_w")
+ co_rock = st.slider("๐ชจ ์์ ์ ํญ", 0.1, 0.9, 0.5, 0.1, key="co_r")
+
+ theory_key = COASTAL_THEORIES[co_theory]['key']
+ params = {'wave_height': co_wave, 'rock_resistance': co_rock}
+
+ if theory_key == "cliff_retreat":
+ params['Hc'] = st.slider("Hc (์๊ณํ๊ณ )", 0.5, 3.0, 1.5, 0.5)
+ elif theory_key == "cerc":
+ params['theta'] = st.slider("ฮธ (ํํฅ๊ฐ)", 0, 45, 15, 5)
+ elif theory_key == "spit":
+ params['drift_strength'] = st.slider("์ฐ์๋ฅ ๊ฐ๋", 0.1, 1.0, 0.5, 0.1)
+ params['sand_supply'] = st.slider("๋ชจ๋ ๊ณต๊ธ๋", 0.1, 1.0, 0.5, 0.1)
+ params['wave_angle'] = st.slider("ํ๋ ๊ฐ๋", 0, 90, 45, 5)
+ elif theory_key == "tombolo":
+ params['island_dist'] = st.slider("์ฌ ๊ฑฐ๋ฆฌ", 0.1, 1.0, 0.5, 0.1)
+ params['island_size'] = st.slider("์ฌ ํฌ๊ธฐ", 0.1, 1.0, 0.5, 0.1)
+ params['wave_energy'] = st.slider("ํ๋ ์๋์ง", 0.1, 1.0, 0.5, 0.1)
+ elif theory_key == "tidal_flat":
+ params['tidal_range'] = st.slider("์กฐ์ฐจ(m)", 0.5, 8.0, 4.0, 0.5)
+ elif theory_key == "spit":
+ params['drift_strength'] = st.slider("์ฐ์๋ฅ ๊ฐ๋", 0.1, 1.0, 0.5, 0.1)
+ params['sand_supply'] = st.slider("๋ชจ๋ ๊ณต๊ธ๋", 0.1, 1.0, 0.5, 0.1)
+ params['wave_angle'] = st.slider("ํ๋ ๊ฐ๋", 0, 90, 45, 5)
+ elif theory_key == "tombolo":
+ params['island_dist'] = st.slider("์ฌ ๊ฑฐ๋ฆฌ", 0.1, 1.0, 0.5, 0.1)
+ params['island_size'] = st.slider("์ฌ ํฌ๊ธฐ", 0.1, 1.0, 0.5, 0.1)
+ params['wave_energy'] = st.slider("ํ๋ ์๋์ง", 0.1, 1.0, 0.5, 0.1)
+ elif theory_key == "tidal_flat":
+ params['tidal_range'] = st.slider("์กฐ์ฐจ(m)", 0.5, 8.0, 4.0, 0.5)
+
+ with c2:
+ if theory_key in ["spit", "tombolo", "tidal_flat"]:
+ result = simulate_coastal_deposition(theory_key, co_time, params, grid_size=grid_size)
+
+ # ํด์ ์งํ ๊ฒฐ๊ณผ (๋ฉํธ๋ฆญ ์์, ์ ํ๋ง ํ์)
+ st.info(f"์งํ ์ ํ: {result['type']}")
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ # ์ ๋๋ฉ์ด์
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="co_loop_dep")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="co_anim_dep"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {co_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, co_time // 20)
+
+ for _ in range(n_reps):
+ for t in range(0, co_time + 1, step_size):
+ r_step = simulate_coastal_deposition(theory_key, t, params, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'],
+ f"{r_step['type']} ({t:,}๋
)",
+ add_water=True, water_level=0, force_camera=False)
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="co_dep_plot_shared")
+ anim_prog.progress(min(1.0, t / co_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ else:
+ result = simulate_coastal(theory_key, co_time, params, grid_size=grid_size)
+
+ # Shared Plot Container (Erosion)
+ plot_container = st.empty()
+
+ # ๊ฒฐ๊ณผ ๋ฐ ์ ๋๋ฉ์ด์
+ # ์นจ์ ์งํ ์ ์ฉ ๋ฉํธ๋ฆญ
+ cm1, cm2, cm3, col_anim = st.columns([1, 1, 1, 1])
+ cm1.metric("ํด์์ ํํด", f"{result['cliff_retreat']:.1f} m")
+ cm2.metric("ํ์๋ ํญ", f"{result['platform_width']:.1f} m")
+ cm3.metric("๋
ธ์น ๊น์ด", f"{result['notch_depth']:.1f} m")
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="co_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="co_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {co_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, co_time // 20)
+
+ for _ in range(n_reps):
+ for t in range(0, co_time + 1, step_size):
+ r_step = simulate_coastal(theory_key, t, params, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'],
+ f"ํด์์นจ์ ({t:,}๋
)",
+ add_water=True, water_level=0, force_camera=False)
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="co_plot_shared")
+ anim_prog.progress(min(1.0, t / co_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="co_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'],
+ f"ํด์ ์งํ - {co_theory} ({co_time:,}๋
)",
+ add_water=True, water_level=0,
+ view_elev=35, view_azim=210)
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(
+ result['elevation'],
+ f"ํด์์นจ์ | ํํด: {result['cliff_retreat']:.1f}m | {co_time:,}๋
",
+ add_water=True, water_level=0
+ )
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="co_plot_shared")
+ else:
+ if theory_key == "cliff_retreat":
+ st.image("assets/reference/sea_stack_arch_ref_1765495979396.png", caption="์์คํ & ํด์์์น - AI ์์ฑ", use_column_width=True)
+ elif theory_key in ["tombolo", "spit"]:
+ st.image("assets/reference/tombolo_sandbar_ref_1765495999194.png", caption="์ก๊ณ๋ & ์ฌ์ทจ - AI ์์ฑ", use_column_width=True)
+ else:
+ st.info("์ด ์งํ์ ๋ํ ์ฐธ๊ณ ์ฌ์ง์ด ์์ง ์์ต๋๋ค.")
+
+ # ===== ์นด๋ฅด์คํธ =====
+ # ===== ์นด๋ฅด์คํธ =====
+ with tab_karst:
+ ka_subs = st.tabs(["๐๏ธ ๋๋ฆฌ๋ค (Doline)", "โฐ๏ธ ํ ์นด๋ฅด์คํธ (Tower)", "๐ฆ ์ํ๋๊ตด (Cave)"])
+
+ # ๋๋ฆฌ๋ค
+ with ka_subs[0]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐๏ธ ๋๋ฆฌ๋ค (Doline)")
+ ka_theory = st.selectbox("์ฉ์ ๋ชจ๋ธ", list(KARST_THEORIES.keys()), key="ka_th")
+ show_theory_card(KARST_THEORIES, ka_theory)
+ st.markdown("---")
+ ka_time = st.slider("์๊ฐ (๋
)", 0, 100_000, 10_000, 500, key="ka_t")
+ ka_co2 = st.slider("COโ ๋๋", 0.1, 1.0, 0.5, 0.1, key="ka_co2")
+ ka_rain = st.slider("๊ฐ์๋", 0.1, 1.0, 0.5, 0.1, key="ka_rain")
+ with c2:
+ params = {'co2': ka_co2, 'rainfall': ka_rain}
+ result = simulate_karst(KARST_THEORIES[ka_theory]['key'], ka_time, params, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="ka_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="ka_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, ka_time+1, max(1, ka_time//20)):
+ r = simulate_karst(KARST_THEORIES[ka_theory]['key'], t, params, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"์นด๋ฅด์คํธ ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="ka_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="ka_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"์นด๋ฅด์คํธ ({ka_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="ka_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"๋๋ฆฌ๋ค | {ka_time:,}๋
", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="ka_plot_shared")
+ else:
+ st.image("assets/reference/doline_sinkhole_1765436375545.png", caption="๋๋ฆฌ๋ค (AI ์์ฑ)", use_column_width=True)
+
+ # ํ ์นด๋ฅด์คํธ
+ with ka_subs[1]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("โฐ๏ธ ํ ์นด๋ฅด์คํธ (Tower)")
+ st.info("์ฐจ๋ณ ์ฉ์์ผ๋ก ํ์ผ ์์ ๋จ์ ์ํ์ ๋ด์ฐ๋ฆฌ๋ค")
+ st.markdown("---")
+ tk_time = st.slider("์๊ฐ (๋
)", 0, 500_000, 100_000, 10_000, key="tk_t")
+ tk_rate = st.slider("์ฉ์๋ฅ ", 0.1, 1.0, 0.5, 0.1, key="tk_r")
+ with c2:
+ result = simulate_tower_karst(tk_time, {'erosion_rate': tk_rate}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="tk_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="tk_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, tk_time+1, max(1, tk_time//20)):
+ r = simulate_tower_karst(t, {'erosion_rate': tk_rate}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"ํ ์นด๋ฅด์คํธ ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="tk_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ AI ์์ฑ์ฌ์ง"], horizontal=True, key="tk_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"ํ ์นด๋ฅด์คํธ ({tk_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="tk_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"ํ ์นด๋ฅด์คํธ | {tk_time:,}๋
", add_water=False, texture_path="assets/reference/tower_karst_texture.png")
+ plot_container.plotly_chart(f, use_container_width=True, key="tk_plot_shared")
+ else:
+ st.image("assets/reference/tower_karst_ref.png", caption="ํ ์นด๋ฅด์คํธ (Guilin) - AI ์์ฑ", use_column_width=True)
+
+ # ์ํ๋๊ตด
+ with ka_subs[2]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ฆ ์ํ๋๊ตด (Cave)")
+ st.info("์งํ์์ ์ฉ์๊ณผ ์นจ์ ์ผ๋ก ํ์ฑ๋ ๋๊ตด๊ณผ ์์ฑ๋ฌผ (์์)")
+ st.markdown("---")
+ cv_time = st.slider("์๊ฐ (๋
)", 0, 500_000, 50_000, 5000, key="cv_t")
+ cv_rate = st.slider("์ฑ์ฅ ์๋", 0.1, 1.0, 0.5, 0.1, key="cv_r")
+ with c2:
+ result = simulate_cave(cv_time, {'rate': cv_rate}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="cv_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="cv_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, cv_time+1, max(1, cv_time//20)):
+ r = simulate_cave(t, {'rate': cv_rate}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"์ํ๋๊ตด ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cv_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="cv_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"์ํ๋๊ตด ๋ฐ๋ฅ ({cv_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cv_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"์ํ๋๊ตด | {cv_time:,}๋
", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cv_plot_shared")
+ else:
+ st.image("assets/reference/cave_ref.png", caption="์ํ๋๊ตด ๋ด๋ถ - AI ์์ฑ", use_column_width=True)
+
+ # ===== ํ์ฐ =====
+ with tab_volcano:
+ vo_subs = st.tabs(["๐ ํ์ฐ์ฒด/์นผ๋ฐ๋ผ", "๐๏ธ ์ฉ์ ๋์ง", "๐๏ธ ์ฃผ์์ ๋ฆฌ"])
+
+ # ๊ธฐ๋ณธ ํ์ฐ
+ with vo_subs[0]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("ํ์ฐ์ฒด/์นผ๋ฐ๋ผ")
+ vo_theory = st.selectbox("ํ์ฐ ์ ํ", list(VOLCANIC_THEORIES.keys()), key="vo_th")
+ show_theory_card(VOLCANIC_THEORIES, vo_theory)
+ st.markdown("---")
+ vo_time = st.slider("์๊ฐ (๋
)", 0, 2_000_000, 500_000, 10_000, key="vo_t")
+ vo_rate = st.slider("๋ถ์ถ๋ฅ ", 0.1, 1.0, 0.5, 0.1, key="vo_rate")
+ params = {'eruption_rate': vo_rate}
+ if VOLCANIC_THEORIES[vo_theory]['key'] == "shield":
+ params['viscosity'] = st.slider("์ฉ์ ์ ์ฑ", 0.1, 0.5, 0.3, 0.1)
+ elif VOLCANIC_THEORIES[vo_theory]['key'] == "caldera":
+ params['caldera_size'] = st.slider("์นผ๋ฐ๋ผ ํฌ๊ธฐ", 0.3, 1.0, 0.5, 0.1)
+ with c2:
+ result = simulate_volcanic(VOLCANIC_THEORIES[vo_theory]['key'], vo_time, params, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ if col_anim.button("โถ๏ธ ์ฌ์", key="vo_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, vo_time+1, max(1, vo_time//20)):
+ r = simulate_volcanic(VOLCANIC_THEORIES[vo_theory]['key'], t, params, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"{r['type']} ({t:,}๋
)", add_water=False, texture_path="assets/reference/volcano_texture.png", force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="vo_plot_shared")
+ time.sleep(0.1)
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="vo_v")
+ if "3D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"{result['type']} ({vo_time:,}๋
)", add_water=False, texture_path="assets/reference/volcano_texture.png")
+ plot_container.plotly_chart(f, use_container_width=True, key="vo_plot_shared")
+ else:
+ # ํ์ฐ ์ ํ์ ๋ฐ๋ผ ๋ค๋ฅธ ์ด๋ฏธ์ง
+ if "shield" in VOLCANIC_THEORIES[vo_theory]['key']:
+ st.image("assets/reference/shield_vs_stratovolcano_1765436448576.png", caption="์์ ํ์ฐ (AI ์์ฑ)", use_column_width=True)
+ else:
+ st.image("assets/reference/caldera_formation_1765436466778.png", caption="์นผ๋ฐ๋ผ (AI ์์ฑ)", use_column_width=True)
+
+ # ์ฉ์ ๋์ง
+ with vo_subs[1]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐๏ธ ์ฉ์ ๋์ง")
+ st.info("์ ๋์ฑ์ด ํฐ ํ๋ฌด์์ง ์ฉ์์ด ์ดํ ๋ถ์ถํ์ฌ ํ์ฑ๋ ๋์ง")
+ st.markdown("---")
+ lp_time = st.slider("์๊ฐ (๋
)", 0, 1_000_000, 100_000, 10_000, key="lp_t")
+ lp_rate = st.slider("๋ถ์ถ๋ฅ ", 0.1, 1.0, 0.8, 0.1, key="lp_r")
+ with c2:
+ result = simulate_lava_plateau(lp_time, {'eruption_rate': lp_rate}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="lp_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="lp_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, lp_time+1, max(1, lp_time//20)):
+ r = simulate_lava_plateau(t, {'eruption_rate': lp_rate}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"์ฉ์๋์ง ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="lp_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ AI ์์ฑ์ฌ์ง"], horizontal=True, key="lp_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"์ฉ์๋์ง ({lp_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="lp_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"์ฉ์๋์ง | {lp_time:,}๋
", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="lp_plot_shared")
+ else:
+ st.image("assets/reference/lava_plateau_ref.png", caption="์ฉ์๋์ง (Iceland) - AI ์์ฑ", use_column_width=True)
+
+ # ์ฃผ์์ ๋ฆฌ
+ with vo_subs[2]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐๏ธ ์ฃผ์์ ๋ฆฌ")
+ st.info("์ฉ์์ ๋๊ฐ ๋ฐ ์์ถ์ผ๋ก ํ์ฑ๋ ์ก๊ฐํ ๊ธฐ๋ฅ ํจํด")
+ st.markdown("---")
+ cj_time = st.slider("์๊ฐ (๋
)", 0, 50_000, 5000, 100, key="cj_t")
+ cj_rate = st.slider("์นจ์(ํํ)๋ฅ ", 0.1, 1.0, 0.5, 0.1, key="cj_r")
+ with c2:
+ result = simulate_columnar_jointing(cj_time, {'erosion_rate': cj_rate}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="cj_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="cj_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, cj_time+1, max(1, cj_time//20)):
+ r = simulate_columnar_jointing(t, {'erosion_rate': cj_rate}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"์ฃผ์์ ๋ฆฌ ({t:,}๋
)", add_water=True, water_level=80, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cj_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="cj_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"์ฃผ์์ ๋ฆฌ ({cj_time:,}๋
)", add_water=True, water_level=80)
+ plot_container.plotly_chart(f, use_container_width=True, key="cj_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"์ฃผ์์ ๋ฆฌ | {cj_time:,}๋
", add_water=True, water_level=80)
+ plot_container.plotly_chart(f, use_container_width=True, key="cj_plot_shared")
+ else:
+ st.image("assets/reference/columnar_ref.png", caption="์ฃผ์์ ๋ฆฌ (Basalt Columns) - AI ์์ฑ", use_column_width=True)
+
+ # ===== ๋นํ =====
+ with tab_glacial:
+ gl_subs = st.tabs(["๐๏ธ U์๊ณก/ํผ์ค๋ฅด", "๐ฅฃ ๊ถ๊ณก (Cirque)", "๐ค๏ธ ๋ชจ๋ ์ธ (Moraine)"])
+
+ # U์๊ณก (๊ธฐ์กด)
+ with gl_subs[0]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("U์๊ณก/ํผ์ค๋ฅด")
+ gl_type = st.radio("์ ํ", ["๋น์๊ณก (U์๊ณก)", "ํผ์ค๋ฅด (Fjord)"], key="gl_t_sel")
+ gl_theory = gl_type
+ st.markdown("---")
+ gl_time = st.slider("์๊ฐ (๋
)", 0, 1_000_000, 500_000, 10_000, key="gl_t")
+ gl_ice = st.slider("๋นํ ๋๊ป", 0.1, 1.0, 0.5, 0.1, key="gl_ice")
+ with c2:
+ key = "fjord" if "ํผ์ค๋ฅด" in gl_type else "erosion"
+ result = simulate_glacial(key, gl_time, {'ice_thickness': gl_ice}, grid_size=grid_size)
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="gl_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="gl_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, gl_time+1, max(1, gl_time//20)):
+ r = simulate_glacial(key, t, {'ice_thickness': gl_ice}, grid_size=grid_size)
+ tex_path = "assets/reference/fjord_texture.png" if key == "fjord" else None
+ f = render_terrain_plotly(r['elevation'], f"{gl_type} ({t:,}๋
)", add_water=(key=="fjord"), water_level=100 if key=="fjord" else 0, texture_path=tex_path, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="gl_plot_shared")
+ time.sleep(0.1)
+
+ tex_path = "assets/reference/fjord_texture.png" if key == "fjord" else None
+ f = render_terrain_plotly(result['elevation'], f"{gl_type} ({gl_time:,}๋
)", add_water=(key=="fjord"), water_level=100 if key=="fjord" else 0, texture_path=tex_path)
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="gl_v")
+ if "3D" in v_mode:
+ plot_container.plotly_chart(f, use_container_width=True, key="gl_plot_shared")
+ else:
+ st.image("assets/reference/fjord_valley_ref_1765495963491.png", caption="ํผ์ค๋ฅด (Fjord) - AI ์์ฑ", use_column_width=True)
+
+ # ๊ถ๊ณก
+ with gl_subs[1]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ฅฃ ๊ถ๊ณก (Cirque)")
+ st.info("๋นํ์ ํ์ ์ฌ๋ผ์ด๋ฉ์ผ๋ก ํ์ฑ๋ ๋ฐ์ํ ์์ง")
+ st.markdown("---")
+ cq_time = st.slider("์๊ฐ (๋
)", 0, 500_000, 100_000, 10_000, key="cq_t")
+ cq_rate = st.slider("์นจ์๋ฅ ", 0.1, 1.0, 0.5, 0.1, key="cq_r")
+ with c2:
+ result = simulate_cirque(cq_time, {'erosion_rate': cq_rate}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="cq_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="cq_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, cq_time+1, max(1, cq_time//20)):
+ r = simulate_cirque(t, {'erosion_rate': cq_rate}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"๊ถ๊ณก ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cq_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ AI ์์ฑ์ฌ์ง"], horizontal=True, key="cq_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"๊ถ๊ณก ({cq_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="cq_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"๊ถ๊ณก | {cq_time:,}๋
", add_water=False, texture_path="assets/reference/cirque_texture.png")
+ plot_container.plotly_chart(f, use_container_width=True, key="cq_plot_shared")
+ else:
+ st.image("assets/reference/cirque_ref.png", caption="๊ถ๊ณก (Glacial Cirque) - AI ์์ฑ", use_column_width=True)
+
+ # ๋ชจ๋ ์ธ
+ with gl_subs[2]:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ค๏ธ ๋ชจ๋ ์ธ (Moraine)")
+ st.info("๋นํ๊ฐ ์ด๋ฐํ ํด์ ๋ฌผ์ด ์์ธ ์ ๋ฐฉ")
+ st.markdown("---")
+ mo_time = st.slider("์๊ฐ (๋
)", 0, 100_000, 20_000, 1000, key="mo_t")
+ mo_sup = st.slider("ํด์ ๋ฌผ ๊ณต๊ธ", 0.1, 1.0, 0.5, 0.1, key="mo_s")
+ with c2:
+ result = simulate_moraine(mo_time, {'debris_supply': mo_sup}, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ _, col_anim = st.columns([3, 1])
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="mo_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="mo_anim"):
+ n_reps = 3 if do_loop else 1
+ for _ in range(n_reps):
+ for t in range(0, mo_time+1, max(1, mo_time//20)):
+ r = simulate_moraine(t, {'debris_supply': mo_sup}, grid_size=grid_size)
+ f = render_terrain_plotly(r['elevation'], f"๋ชจ๋ ์ธ ({t:,}๋
)", add_water=False, force_camera=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="mo_plot_shared")
+ time.sleep(0.1)
+
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ AI ์์ฑ์ฌ์ง"], horizontal=True, key="mo_v")
+ if "2D" in v_mode:
+ f = render_terrain_plotly(result['elevation'], f"๋ชจ๋ ์ธ ({mo_time:,}๋
)", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="mo_plot_shared")
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ /์ค**")
+ f = render_terrain_plotly(result['elevation'], f"๋ชจ๋ ์ธ | {mo_time:,}๋
", add_water=False)
+ plot_container.plotly_chart(f, use_container_width=True, key="mo_plot_shared")
+ else:
+ st.image("assets/reference/moraine_ref.png", caption="๋ชจ๋ ์ธ (Moraine) - AI ์์ฑ", use_column_width=True)
+
+ # ===== ๊ฑด์กฐ =====
+ with tab_arid:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ ar_theory = st.selectbox("๊ฑด์กฐ ์งํ", list(ARID_THEORIES.keys()), key="ar_th")
+ show_theory_card(ARID_THEORIES, ar_theory)
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+ ar_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"], key="ar_ts", horizontal=True)
+ if ar_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ ar_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 3_000, 500, key="ar_t1")
+ elif ar_time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ ar_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 50_000, 10_000, key="ar_t2")
+ else:
+ ar_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 5_000_000, 1_000_000, key="ar_t3")
+ ar_wind = st.slider("ํ์", 0.1, 1.0, 0.5, 0.1, key="ar_wind")
+ params = {'wind_speed': ar_wind}
+ if ARID_THEORIES[ar_theory]['key'] == "mesa":
+ params['rock_hardness'] = st.slider("์์ ๊ฒฝ๋", 0.1, 0.9, 0.5, 0.1)
+ with c2:
+ result = simulate_arid(ARID_THEORIES[ar_theory]['key'], ar_time, params, grid_size=grid_size)
+
+ col_res, col_anim = st.columns([3, 1])
+ col_res.metric("์งํ ์ ํ", result['type'])
+
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ do_loop = col_anim.checkbox("๐ ๋ฐ๋ณต", key="ar_loop")
+ if col_anim.button("โถ๏ธ ์ฌ์", key="ar_anim"):
+ n_reps = 3 if do_loop else 1
+ st.info(f"โณ {ar_time:,}๋
์๋ฎฌ๋ ์ด์
์ฌ์ ์ค...")
+ anim_prog = st.progress(0)
+ step_size = max(1, ar_time // 20)
+
+ for _ in range(n_reps):
+ for t in range(0, ar_time + 1, step_size):
+ r_step = simulate_arid(ARID_THEORIES[ar_theory]['key'], t, params, grid_size=grid_size)
+ fig_step = render_terrain_plotly(r_step['elevation'],
+ f"{r_step['type']} ({t:,}๋
)",
+ add_water=False, force_camera=False)
+ plot_container.plotly_chart(fig_step, use_container_width=True, key="ar_plot_shared")
+ anim_prog.progress(min(1.0, t / ar_time))
+ time.sleep(0.1)
+ st.success("์ฌ์ ์๋ฃ!")
+ anim_prog.empty()
+ result = r_step
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="ar_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"๊ฑด์กฐ - {ar_theory} ({ar_time:,}๋
)", add_water=False)
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+
+ # ๋ฐ๋ฅดํ ์ฌ๊ตฌ์ธ ๊ฒฝ์ฐ ํ
์ค์ฒ ์ ์ฉ
+ tex_path = None
+ if ARID_THEORIES[ar_theory]['key'] == "barchan":
+ tex_path = "assets/reference/barchan_dune_texture_topdown_1765496401371.png"
+
+ plotly_fig = render_terrain_plotly(result['elevation'],
+ f"{result['type']} | {ar_time:,}๋
",
+ add_water=False,
+ texture_path=tex_path)
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="ar_plot_shared")
+ else:
+ # ์ด๋ก ํค์ ๋ฐ๋ผ ์ด๋ฏธ์ง ๋ถ๊ธฐ
+ tk = ARID_THEORIES[ar_theory]['key']
+ if tk == "barchan":
+ st.image("assets/reference/barchan_dune_ref_1765496023768.png", caption="๋ฐ๋ฅดํ ์ฌ๊ตฌ - AI ์์ฑ", use_column_width=True)
+ elif tk == "mesa":
+ st.image("assets/reference/mesa_butte_ref_1765496038880.png", caption="๋ฉ์ฌ & ๋ทฐํธ - AI ์์ฑ", use_column_width=True)
+ else:
+ st.info("์ค๋น ์ค์
๋๋ค.")
+
+ # ===== ํ์ผ =====
+ with tab_plain:
+ c1, c2 = st.columns([1, 2])
+ with c1:
+ st.subheader("๐ ์ด๋ก ์ ํ")
+ pl_theory = st.selectbox("ํ์ผ ๋ชจ๋ธ", list(PLAIN_THEORIES.keys()), key="pl_th")
+ show_theory_card(PLAIN_THEORIES, pl_theory)
+ st.markdown("---")
+ st.subheader("โ๏ธ ํ๋ผ๋ฏธํฐ")
+ pl_time_scale = st.radio("์๊ฐ ๋ฒ์", ["์ด๊ธฐ (0~๋ง๋
)", "์ค๊ธฐ (1๋ง~100๋ง๋
)", "์ฅ๊ธฐ (100๋ง~1์ต๋
)"], key="pl_ts", horizontal=True)
+ if pl_time_scale == "์ด๊ธฐ (0~๋ง๋
)":
+ pl_time = st.slider("์๊ฐ (๋
)", 0, 10_000, 5_000, 500, key="pl_t1")
+ elif pl_time_scale == "์ค๊ธฐ (1๋ง~100๋ง๋
)":
+ pl_time = st.slider("์๊ฐ (๋
)", 10_000, 1_000_000, 100_000, 10_000, key="pl_t2")
+ else:
+ pl_time = st.slider("์๊ฐ (๋
)", 1_000_000, 100_000_000, 10_000_000, 1_000_000, key="pl_t3")
+ pl_flood = st.slider("๋ฒ๋ ๋น๋", 0.1, 1.0, 0.5, 0.1, key="pl_flood")
+ params = {'flood_freq': pl_flood}
+ with c2:
+ result = simulate_plain(PLAIN_THEORIES[pl_theory]['key'], pl_time, params, grid_size=grid_size)
+ # Shared Plot Container
+ plot_container = st.empty()
+
+ st.metric("ํ์ผ ์ ํ", result['type'])
+ v_mode = st.radio("๋ณด๊ธฐ ๋ชจ๋", ["๐ ์๋ฎฌ๋ ์ด์
(2D)", "๐ฎ ์ธํฐ๋ํฐ๋ธ 3D", "๐ฐ๏ธ ์ฐธ๊ณ ์ฌ์ง"], horizontal=True, key="pl_v")
+ if "2D" in v_mode:
+ fig = render_terrain_3d(result['elevation'], f"ํ์ผ - {pl_theory} ({pl_time:,}๋
)", add_water=True, water_level=15)
+ plot_container.pyplot(fig)
+ plt.close()
+ elif "3D" in v_mode:
+ st.caption("๐ฑ๏ธ **๋ง์ฐ์ค ๋๋๊ทธ๋ก ํ์ , ์คํฌ๋กค๋ก ์ค**")
+ plotly_fig = render_terrain_plotly(result['elevation'], f"{result['type']} | {pl_time:,}๋
", add_water=True, water_level=15)
+ plot_container.plotly_chart(plotly_fig, use_container_width=True, key="pl_plot_shared")
+ else:
+ st.info("์ค๋น ์ค์
๋๋ค.")
+
+ # ===== ์คํฌ๋ฆฝํธ ๋ฉ =====
+ with tab_script:
+ st.header("๐ป ์คํฌ๋ฆฝํธ ๋ฉ (Script Lab)")
+ st.markdown("---")
+ st.info("๐ก ํ์ด์ฌ ์ฝ๋๋ก ๋๋ง์ ์งํ ์์ฑ ์๊ณ ๋ฆฌ์ฆ์ ์คํํด๋ณด์ธ์!\n\n์ฌ์ฉ ๊ฐ๋ฅํ ๋ณ์: `elevation` (๊ณ ๋), `grid` (์งํ๊ฐ์ฒด), `np` (NumPy), `dt` (์๊ฐ), `hydro` (์๋ ฅ), `erosion` (์นจ์)")
+
+ col_code, col_view = st.columns([1, 1])
+
+ with col_code:
+ st.subheader("๐ ์ฝ๋ ์๋ํฐ")
+
+ # ์์ ์คํฌ๋ฆฝํธ
+ example_scripts = {
+ "01. ์ด๊ธฐํ (ํ์ง)": """# 100x100 ํ์ง ์์ฑ
+# elevation: 2D numpy array (float)
+elevation[:] = 0.0""",
+ "02. ์ฌ์ธํ ์ธ๋": """# ์ฌ์ธํ ํํ์ ์ธ๋ ์์ฑ
+import numpy as np
+rows, cols = elevation.shape
+for r in range(rows):
+ # r(ํ)์ ๋ฐ๋ผ ๋์ด๊ฐ ๋ณํจ
+ elevation[r, :] = np.sin(r / 10.0) * 20.0 + 20.0""",
+ "03. ๋๋ค ๋
ธ์ด์ฆ": """# ๋ฌด์์ ์งํ ์์ฑ
+import numpy as np
+# 0 ~ 50m ์ฌ์ด์ ๋๋ค ๋์ด
+elevation[:] = np.random.rand(*elevation.shape) * 50.0""",
+ "04. ์นจ์ ์๋ฎฌ๋ ์ด์
Loop": """# 500๋
๋์ ๊ฐ์ ๋ฐ ์นจ์ ์๋ฎฌ๋ ์ด์
+# *์ฃผ์: ๋ฐ๋ณต๋ฌธ์ด ๋ง์ผ๋ฉด ๋๋ ค์ง ์ ์์ต๋๋ค.*
+import numpy as np
+
+# 1. ์ด๊ธฐ ์งํ ์ค์ (๊ฒฝ์ฌ๋ฉด)
+rows, cols = elevation.shape
+if np.max(elevation) < 1.0: # ํ์ง๋ผ๋ฉด ์ด๊ธฐํ
+ for r in range(rows):
+ elevation[r, :] = 50.0 - (r/rows)*50.0
+
+# 2. ์๋ฎฌ๋ ์ด์
๋ฃจํ (100 step)
+steps = 50
+for i in range(steps):
+ # ๊ฐ์ ๋ฐ ์ ๋ ๊ณ์ฐ (Precipitation=0.05)
+ discharge = hydro.route_flow_d8(precipitation=0.05)
+
+ # ํ์ฒ ์นจ์ (Stream Power)
+ erosion.stream_power_erosion(discharge, dt=1.0)
+
+ # ์งํ์ํฉ ์ถ๋ ฅ (๋ง์ง๋ง๋ง)
+ if i == steps - 1:
+ print(f"Simulation done: {steps} steps")
+"""
+ }
+
+ selected_example = st.selectbox("์์ ์ฝ๋ ์ ํ", list(example_scripts.keys()))
+ default_code = example_scripts[selected_example]
+
+ user_script = st.text_area("Python Script", value=default_code, height=500, key="editor")
+
+ if st.button("๐ ์คํฌ๋ฆฝํธ ์คํ (Run)", type="primary"):
+ # 1. ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ (๊ธฐ์กด session_state ์ฌ์ฉ or ์๋ก ์์ฑ)
+ if 'script_grid' not in st.session_state:
+ st.session_state['script_grid'] = WorldGrid(100, 100, 10.0)
+
+ grid_obj = st.session_state['script_grid']
+ executor = ScriptExecutor(grid_obj)
+
+ with st.spinner("์ฝ๋๋ฅผ ์คํ ์ค์
๋๋ค..."):
+ # ์คํ ์์ ์๊ฐ
+ start_t = time.time()
+ success, msg = executor.execute(user_script)
+ end_t = time.time()
+
+ if success:
+ st.success(f"โ
์คํ ์ฑ๊ณต ({end_t - start_t:.3f}s)")
+ if msg != "์คํ ์ฑ๊ณต":
+ st.info(f"๋ฉ์์ง: {msg}")
+ # ๊ฒฐ๊ณผ ๊ฐฑ์ ํธ๋ฆฌ๊ฑฐ
+ st.session_state['script_run_count'] = st.session_state.get('script_run_count', 0) + 1
+ else:
+ st.error(f"โ ์คํ ์ค๋ฅ:\n{msg}")
+
+ with col_view:
+ st.subheader("๐ ๊ฒฐ๊ณผ ๋ทฐ์ด")
+
+ # Grid ๊ฐ์ฒด ๊ฐ์ ธ์ค๊ธฐ
+ if 'script_grid' not in st.session_state:
+ st.session_state['script_grid'] = WorldGrid(100, 100, 10.0)
+
+ grid_show = st.session_state['script_grid']
+
+ # ์๊ฐํ ์ต์
+ show_water = st.checkbox("๋ฌผ ํ์ (ํด์๋ฉด 0m)", value=True)
+
+ # 3D ๋ ๋๋ง
+ fig = render_terrain_plotly(
+ grid_show.elevation,
+ "Script Result",
+ add_water=show_water,
+ water_level=0.0
+ )
+ st.plotly_chart(fig, use_container_width=True)
+
+ # ํต๊ณ ์ ๋ณด
+ st.markdown(f"""
+ **์งํ ํต๊ณ:**
+ - ์ต๋ ๊ณ ๋: `{grid_show.elevation.max():.2f} m`
+ - ์ต์ ๊ณ ๋: `{grid_show.elevation.min():.2f} m`
+ - ํ๊ท ๊ณ ๋: `{grid_show.elevation.mean():.2f} m`
+ """)
+
+ if st.button("๐ ๊ทธ๋ฆฌ๋ ์ด๊ธฐํ (Reset)"):
+ st.session_state['script_grid'] = WorldGrid(100, 100, 10.0)
+ st.experimental_rerun()
+ else:
+ st.image("assets/reference/peneplain_erosion_cycle_1765436750353.png", caption="ํ์ผ - ์คํ์ํ ๊ณผ์ (AI ์์ฑ)", use_column_width=True)
+
+ # ===== Project Genesis (Unified Engine) =====
+ with tab_genesis:
+ st.header("๐ Project Genesis: Unified Earth Engine")
+ st.info("๋จ์ผ ๋ฌผ๋ฆฌ ์์ง์ผ๋ก ๋ชจ๋ ์งํ์ ์์ฑํ๋ ํตํฉ ์๋ฎฌ๋ ์ด์
์
๋๋ค.")
+
+ c1, c2 = st.columns([1, 2])
+
+ with c1:
+ st.subheader("โ๏ธ ์์คํ
์ ์ด")
+
+ # 1. ์๋๋ฆฌ์ค ์ ํ (Initial Conditions)
+ scenario = st.selectbox("์๋๋ฆฌ์ค ์ด๊ธฐํ",
+ ["Flat Plain (ํ์ง)", "Sloped Terrain (๊ฒฝ์ฌ์ง)", "Mountainous (์ฐ์ง)"])
+
+ if st.button("๐ ์์ง ์ด๊ธฐํ (Reset)"):
+ # Initialize Grid
+ grid_gen = WorldGrid(width=grid_size, height=grid_size, cell_size=1000.0/grid_size)
+
+ # Apply Scenario
+ if scenario == "Sloped Terrain (๊ฒฝ์ฌ์ง)":
+ rows, cols = grid_size, grid_size
+ for r in range(rows):
+ grid_gen.bedrock[r, :] = 100.0 - (r/rows)*50.0 # N->S Slope
+ elif scenario == "Mountainous (์ฐ์ง)":
+ grid_gen.bedrock[:] = np.random.rand(grid_size, grid_size) * 50.0 + 50.0
+ else:
+ grid_gen.bedrock[:] = 10.0 # Flat
+
+ grid_gen.update_elevation()
+
+ # Create Engine
+ st.session_state['genesis_engine'] = EarthSystem(grid_gen)
+ st.success(f"{scenario} ์ด๊ธฐํ ์๋ฃ")
+
+ st.markdown("---")
+ st.subheader("โ๏ธ ๊ธฐํ & ์ง๊ตฌ์กฐ (Processes)")
+
+ gen_precip = st.slider("๊ฐ์๋ (Precipitation)", 0.0, 0.2, 0.05, 0.01)
+ gen_uplift = st.slider("์ต๊ธฐ์จ (Uplift Rate)", 0.0, 2.0, 0.1, 0.1)
+ gen_diff = st.slider("์ฌ๋ฉด ํ์ฐ (Diffusion)", 0.0, 0.1, 0.01, 0.001)
+
+ # Kernel Toggles (Phase 2)
+ st.markdown("---")
+ st.subheader("๐งฉ ์ปค๋ ์ ์ด (Process Toggles)")
+ col_k1, col_k2 = st.columns(2)
+ with col_k1:
+ k_lateral = st.checkbox("์ธก๋ฐฉ ์นจ์ (Lateral)", True, help="๊ณก๋ฅ ํ์ฑ")
+ k_mass = st.checkbox("๋งค์ค๋ฌด๋ธ๋จผํธ (Mass)", True, help="์ฐ์ฌํ")
+ k_wave = st.checkbox("ํ๋ (Wave)", False, help="ํด์ ์งํ")
+ with col_k2:
+ k_glacier = st.checkbox("๋นํ (Glacier)", False, help="U์๊ณก")
+ k_wind = st.checkbox("๋ฐ๋ (Wind)", False, help="์ฌ๊ตฌ")
+
+ st.markdown("---")
+ run_steps = st.slider("์คํ ์คํ
์", 10, 200, 50, 10)
+
+ if st.button("โถ๏ธ ์๋ฎฌ๋ ์ด์
์คํ (Run Step)"):
+ if 'genesis_engine' not in st.session_state:
+ st.error("์์ง์ ๋จผ์ ์ด๊ธฐํํด์ฃผ์ธ์.")
+ else:
+ engine = st.session_state['genesis_engine']
+
+ progress_bar = st.progress(0)
+ for i in range(run_steps):
+ # Construct Settings with kernel toggles
+ settings = {
+ 'uplift_rate': gen_uplift * 0.01,
+ 'precipitation': gen_precip,
+ 'diffusion_rate': gen_diff,
+ 'lateral_erosion': k_lateral,
+ 'mass_movement': k_mass,
+ # Note: Wave/Glacier/Wind require manual step call
+ }
+
+ engine.step(dt=1.0, settings=settings)
+
+ # Optional kernel steps
+ if k_wave:
+ engine.wave.step(dt=1.0)
+ if k_glacier:
+ engine.glacier.step(dt=1.0)
+ if k_wind:
+ engine.wind.step(dt=1.0)
+
+ progress_bar.progress((i+1)/run_steps)
+
+ st.success(f"{run_steps} ์คํ
์คํ ์๋ฃ (Total Time: {engine.time:.1f})")
+
+ with c2:
+ st.subheader("๐ ์ค์๊ฐ ๊ด์ธก (Observation)")
+
+ if 'genesis_engine' in st.session_state:
+ engine = st.session_state['genesis_engine']
+ state = engine.get_state()
+
+ # ํญ์ผ๋ก ๋ทฐ ๋ชจ๋ ๋ถ๋ฆฌ
+ view_type = st.radio("๋ ์ด์ด ์ ํ", ["Composite (์งํ+๋ฌผ)", "Hydrology (์ ๋)", "Sediment (ํด์ ์ธต)"], horizontal=True)
+
+ if view_type == "Composite (์งํ+๋ฌผ)":
+ fig = render_terrain_plotly(state['elevation'],
+ f"Genesis Engine | T={engine.time:.1f}",
+ add_water=True, water_depth_grid=state['water_depth'],
+ sediment_grid=state['sediment'],
+ force_camera=True)
+ st.plotly_chart(fig, use_container_width=True)
+
+ elif view_type == "Hydrology (์ ๋)":
+ # Proper colormap for discharge
+ fig_hydro, ax_hydro = plt.subplots(figsize=(8, 6))
+ log_q = np.log1p(state['discharge'])
+ im = ax_hydro.imshow(log_q, cmap='Blues', origin='upper')
+ ax_hydro.set_title(f"์ ๋ ๋ถํฌ (Log Scale) | T={engine.time:.1f}")
+ ax_hydro.set_xlabel("X (์
)")
+ ax_hydro.set_ylabel("Y (์
)")
+ plt.colorbar(im, ax=ax_hydro, label="Log(Q+1)")
+ st.pyplot(fig_hydro)
+ plt.close(fig_hydro)
+
+ # Stats
+ st.caption(f"์ต๋ ์ ๋: {state['discharge'].max():.1f} | ํ๊ท : {state['discharge'].mean():.2f}")
+
+ else:
+ # Proper colormap for sediment
+ fig_sed, ax_sed = plt.subplots(figsize=(8, 6))
+ im = ax_sed.imshow(state['sediment'], cmap='YlOrBr', origin='upper')
+ ax_sed.set_title(f"ํด์ ์ธต ๋๊ป (m) | T={engine.time:.1f}")
+ ax_sed.set_xlabel("X (์
)")
+ ax_sed.set_ylabel("Y (์
)")
+ plt.colorbar(im, ax=ax_sed, label="ํด์ ์ธต (m)")
+ st.pyplot(fig_sed)
+ plt.close(fig_sed)
+
+ # Stats
+ st.caption(f"์ต๋ ํด์ : {state['sediment'].max():.2f}m | ์ด๋: {state['sediment'].sum():.0f}mยณ")
+
+ else:
+ st.info("์ข์ธก ํจ๋์์ ์์ง์ ์ด๊ธฐํํ์ธ์.")
+
+ st.markdown("---")
+ st.caption("๐ Geo-Lab AI v6.0 | Unified Earth System Project Genesis")
+
+
+if __name__ == "__main__":
+ main()
diff --git a/debug_log.txt b/debug_log.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bafeda277720ae34f6bd57b1395f9724a6381fc
--- /dev/null
+++ b/debug_log.txt
@@ -0,0 +1,9 @@
+Testing Sediment Transport...
+Initial Elev Row 4 (Slope Base): 7.0
+Initial Elev Row 7 (Flat Land): 5.0
+Post Elev Row 4: 6.8
+Post Elev Row 7: 5.0
+Sediment Array (Column 0):
+[0. 0. 0. 0. 0. 3.8 0. 0. 0. 0. ]
+Total Sediment on Flat/Sea: 5.0
+Sediment Transport OK
diff --git a/debug_piracy.py b/debug_piracy.py
new file mode 100644
index 0000000000000000000000000000000000000000..dd34ece7a1c19ff67ee001d742133285833ec1a6
--- /dev/null
+++ b/debug_piracy.py
@@ -0,0 +1,55 @@
+
+import numpy as np
+import plotly.graph_objects as go
+
+# Mock functions from main.py
+def simulate_stream_piracy(time_years: int, params: dict, grid_size: int = 100):
+ """ํ์ฒ์ํ ์๋ฎฌ๋ ์ด์
- ๊ต๊ณผ์์ ์ด์์ ๋ชจ์ต"""
+ x = np.linspace(0, 1000, grid_size)
+ y = np.linspace(0, 1000, grid_size)
+ X, Y = np.meshgrid(x, y)
+ elevation = 150 - Y * 0.1
+ ridge_x = 500
+ ridge = 20 * np.exp(-((X - ridge_x)**2) / (80**2))
+ elevation += ridge
+ river1_x = 300
+ river1_valley = 30 * np.exp(-((X - river1_x)**2) / (40**2))
+ elevation -= river1_valley
+ river2_x = 700
+ erosion_diff = params.get('erosion_diff', 0.7)
+ river2_depth = 50 * erosion_diff
+ river2_valley = river2_depth * np.exp(-((X - river2_x)**2) / (50**2))
+ elevation -= river2_valley
+
+ # ... logic ...
+ # Simplified logic for t=5000 (not captured)
+ return {'elevation': elevation, 'captured': False}
+
+def render_terrain_plotly_debug(elevation):
+ print(f"Elevation stats: Min={elevation.min()}, Max={elevation.max()}, NaNs={np.isnan(elevation).sum()}")
+
+ dy, dx = np.gradient(elevation)
+ print(f"Gradient stats: dx_NaN={np.isnan(dx).sum()}, dy_NaN={np.isnan(dy).sum()}")
+
+ slope = np.sqrt(dx**2 + dy**2)
+ print(f"Slope stats: Min={slope.min()}, Max={slope.max()}, NaNs={np.isnan(slope).sum()}")
+
+ biome = np.zeros_like(elevation)
+ biome[:] = 1
+ # ...
+ noise = np.random.normal(0, 0.2, elevation.shape)
+ biome_noisy = np.clip(biome + noise, 0, 3)
+ print(f"Biome Noisy stats: Min={biome_noisy.min()}, Max={biome_noisy.max()}, NaNs={np.isnan(biome_noisy).sum()}")
+
+ realistic_colorscale = [
+ [0.0, '#E6C288'], [0.25, '#E6C288'],
+ [0.25, '#2E8B57'], [0.5, '#2E8B57'],
+ [0.5, '#696969'], [0.75, '#696969'],
+ [0.75, '#FFFFFF'], [1.0, '#FFFFFF']
+ ]
+ print("Colorscale:", realistic_colorscale)
+
+if __name__ == "__main__":
+ res = simulate_stream_piracy(5000, {'erosion_diff': 0.7})
+ elev = res['elevation']
+ render_terrain_plotly_debug(elev)
diff --git a/engine/__init__.py b/engine/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..5921d330a3f1c0fe54d88a2299594c05342a5e39
--- /dev/null
+++ b/engine/__init__.py
@@ -0,0 +1 @@
+# Engine Package
diff --git a/engine/base.py b/engine/base.py
new file mode 100644
index 0000000000000000000000000000000000000000..46ee91dcc22a92ac6ff6c9da72898eb06b17c283
--- /dev/null
+++ b/engine/base.py
@@ -0,0 +1,163 @@
+"""
+Geo-Lab AI Engine: ๊ธฐ๋ณธ ์งํ ํด๋์ค
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import Optional, Tuple
+
+
+@dataclass
+class Terrain:
+ """2D ๋์ด๋งต ๊ธฐ๋ฐ ์งํ ๋ฐ์ดํฐ ๊ตฌ์กฐ"""
+
+ width: int = 100 # X ๋ฐฉํฅ ์
์
+ height: int = 100 # Y ๋ฐฉํฅ ์
์
+ cell_size: float = 10.0 # ์
๋น ์ค์ ๊ฑฐ๋ฆฌ (m)
+
+ # ๋์ด๋งต (m)
+ elevation: np.ndarray = field(default=None)
+
+ # ์์ ์์ฑ
+ rock_hardness: np.ndarray = field(default=None) # 0-1, 1์ด ๊ฐ์ฅ ๋จ๋จํจ
+
+ def __post_init__(self):
+ if self.elevation is None:
+ self.elevation = np.zeros((self.height, self.width))
+ if self.rock_hardness is None:
+ self.rock_hardness = np.ones((self.height, self.width)) * 0.5
+
+ @classmethod
+ def create_slope(cls, width: int, height: int,
+ max_elevation: float = 1000.0,
+ slope_direction: str = 'south') -> 'Terrain':
+ """๊ฒฝ์ฌ๋ฉด ์งํ ์์ฑ"""
+ terrain = cls(width=width, height=height)
+
+ if slope_direction == 'south':
+ # ๋ถ์ชฝ์ด ๋๊ณ ๋จ์ชฝ์ด ๋ฎ์
+ for y in range(height):
+ terrain.elevation[y, :] = max_elevation * (1 - y / height)
+ elif slope_direction == 'east':
+ for x in range(width):
+ terrain.elevation[:, x] = max_elevation * (1 - x / width)
+
+ return terrain
+
+ @classmethod
+ def create_v_valley_initial(cls, width: int = 100, height: int = 100,
+ valley_depth: float = 50.0) -> 'Terrain':
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
์ด๊ธฐ ์งํ"""
+ terrain = cls(width=width, height=height)
+
+ # ๊ธฐ๋ณธ ๊ฒฝ์ฌ (๋ถโ๋จ)
+ for y in range(height):
+ terrain.elevation[y, :] = 500 * (1 - y / height)
+
+ # ์ค์์ ์ด๊ธฐ ํ์ฒ ์ฑ๋ (์ฝ๊ฐ์ ํจ์)
+ center = width // 2
+ for x in range(width):
+ dist = abs(x - center)
+ if dist < 5:
+ terrain.elevation[:, x] -= valley_depth * (1 - dist / 5)
+
+ return terrain
+
+ def get_slope(self) -> np.ndarray:
+ """๊ฐ ์
์ ๊ฒฝ์ฌ๋ ๊ณ์ฐ (๋ผ๋์)"""
+ dy, dx = np.gradient(self.elevation, self.cell_size)
+ return np.arctan(np.sqrt(dx**2 + dy**2))
+
+ def get_flow_direction(self) -> Tuple[np.ndarray, np.ndarray]:
+ """๋ฌผ ํ๋ฆ ๋ฐฉํฅ ๋ฒกํฐ (๊ฐ์ฅ ๊ฐํ๋ฅธ ํ๊ฐ ๋ฐฉํฅ)"""
+ dy, dx = np.gradient(self.elevation, self.cell_size)
+ magnitude = np.sqrt(dx**2 + dy**2) + 1e-10
+ return -dx / magnitude, -dy / magnitude
+
+
+@dataclass
+class Water:
+ """ํ์ฒ ์๋ฌธ ๋ฐ์ดํฐ"""
+
+ terrain: Terrain
+
+ # ๊ฐ ์
์ ์๋ (mยณ/s)
+ discharge: np.ndarray = field(default=None)
+
+ # ์ ์ (m/s)
+ velocity: np.ndarray = field(default=None)
+
+ # ํ๋ฆ ๋ฐฉํฅ (๋จ์ ๋ฒกํฐ)
+ flow_x: np.ndarray = field(default=None)
+ flow_y: np.ndarray = field(default=None)
+
+ def __post_init__(self):
+ shape = (self.terrain.height, self.terrain.width)
+ if self.discharge is None:
+ self.discharge = np.zeros(shape)
+ if self.velocity is None:
+ self.velocity = np.zeros(shape)
+ if self.flow_x is None:
+ self.flow_x, self.flow_y = self.terrain.get_flow_direction()
+
+ def add_precipitation(self, rate: float = 0.001):
+ """๊ฐ์ ์ถ๊ฐ (m/s per cell)"""
+ self.discharge += rate
+
+ def accumulate_flow(self):
+ """ํ๋ฆ ๋์ ๊ณ์ฐ (๊ฐ๋จํ D8 ์๊ณ ๋ฆฌ์ฆ)"""
+ h, w = self.terrain.height, self.terrain.width
+ accumulated = self.discharge.copy()
+
+ # ๋์ ๊ณณ์์ ๋ฎ์ ๊ณณ์ผ๋ก ์ ๋ ฌ
+ indices = np.argsort(self.terrain.elevation.ravel())[::-1]
+
+ for idx in indices:
+ y, x = idx // w, idx % w
+ if accumulated[y, x] <= 0:
+ continue
+
+ # ๊ฐ์ฅ ๋ฎ์ ์ด์ ์ฐพ๊ธฐ
+ min_elev = self.terrain.elevation[y, x]
+ min_neighbor = None
+
+ for dy, dx in [(-1,0), (1,0), (0,-1), (0,1)]:
+ ny, nx = y + dy, x + dx
+ if 0 <= ny < h and 0 <= nx < w:
+ if self.terrain.elevation[ny, nx] < min_elev:
+ min_elev = self.terrain.elevation[ny, nx]
+ min_neighbor = (ny, nx)
+
+ if min_neighbor:
+ accumulated[min_neighbor] += accumulated[y, x]
+
+ self.discharge = accumulated
+
+ # ์ ์ ๊ณ์ฐ (Manning ๋ฐฉ์ ์ ๋จ์ํ)
+ slope = self.terrain.get_slope() + 0.001 # 0 ๋ฐฉ์ง
+ self.velocity = 2.0 * np.sqrt(slope) * np.power(self.discharge + 0.1, 0.4)
+
+
+@dataclass
+class SimulationState:
+ """์๋ฎฌ๋ ์ด์
์ํ ๊ด๋ฆฌ"""
+
+ terrain: Terrain
+ water: Water
+
+ time_step: float = 1.0 # ์๋ฎฌ๋ ์ด์
1์คํ
= 1๋
+ current_time: float = 0.0
+
+ # ์ ์ญ ๋ณ์ (Master Plan์ Global Controllers)
+ climate_level: float = 1.0 # ๊ธฐํ (๊ฐ์๋ ๊ณ์)
+ sea_level: float = 0.0 # ํด์๋ฉด (m)
+ tectonic_energy: float = 0.0 # ์ง๊ฐ ์๋์ง (์ต๊ธฐ์จ m/year)
+
+ def step(self):
+ """1 ํ์์คํ
์งํ"""
+ self.current_time += self.time_step
+
+ # ๊ฐ์ ์ถ๊ฐ
+ self.water.add_precipitation(rate=0.001 * self.climate_level)
+
+ # ํ๋ฆ ๋์
+ self.water.accumulate_flow()
diff --git a/engine/climate.py b/engine/climate.py
new file mode 100644
index 0000000000000000000000000000000000000000..1fba5debf73972915e058626f1521edc72411a5b
--- /dev/null
+++ b/engine/climate.py
@@ -0,0 +1,140 @@
+"""
+Climate Kernel (๊ธฐํ ์ปค๋)
+
+๊ธฐํ ์กฐ๊ฑด์ ๋ฐ๋ฅธ ๊ฐ์/๊ธฐ์จ ๋ถํฌ ์์ฑ
+- ์๋ ๊ธฐ๋ฐ ๊ฐ์ ํจํด
+- ๊ณ ๋ ๊ธฐ๋ฐ ์งํ์ฑ ๊ฐ์
+- ๊ธฐ์จ์ ๋ฐ๋ฅธ ํํ์จ ์กฐ์
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+class ClimateKernel:
+ """
+ ๊ธฐํ ์ปค๋
+
+ ๊ฐ์์ ๊ธฐ์จ ๋ถํฌ๋ฅผ ์์ฑํ์ฌ ๋ค๋ฅธ ํ๋ก์ธ์ค์ ์ํฅ.
+ """
+
+ def __init__(self, grid: WorldGrid,
+ base_precipitation: float = 1000.0, # mm/year
+ base_temperature: float = 15.0, # ยฐC
+ lapse_rate: float = 6.5): # ยฐC/km (๊ณ ๋ ๊ฐ๋ฅ )
+ self.grid = grid
+ self.base_precipitation = base_precipitation
+ self.base_temperature = base_temperature
+ self.lapse_rate = lapse_rate
+
+ def generate_precipitation(self,
+ orographic_factor: float = 0.5,
+ latitude_effect: bool = True) -> np.ndarray:
+ """
+ ๊ฐ์ ๋ถํฌ ์์ฑ
+
+ Args:
+ orographic_factor: ์งํ์ฑ ๊ฐ์ ๊ฐ๋ (0~1)
+ latitude_effect: ์๋ ํจ๊ณผ ์ ์ฉ ์ฌ๋ถ
+
+ Returns:
+ precipitation: ๊ฐ์๋ ๋ฐฐ์ด (mm/year โ m/timestep์ผ๋ก ๋ณํ ํ์)
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation
+
+ # ๊ธฐ๋ณธ ๊ฐ์ (๊ท ์ผ)
+ precip = np.ones((h, w)) * self.base_precipitation
+
+ # 1. ์๋ ํจ๊ณผ (์ ๋ > ๊ทน์ง๋ฐฉ)
+ if latitude_effect:
+ # ๊ทธ๋ฆฌ๋ Y์ถ์ ์๋๋ก ๊ทผ์ฌ (0=์ ๋, h=๊ทน)
+ # ์ด๋ = ๊ฐ์ฅ ๋ง์, ์์ด๋ ๊ฑด์กฐ, ์จ๋ ์ฆ๊ฐ, ๊ทน ๊ฐ์
+ lat_factor = np.zeros(h)
+ for r in range(h):
+ # ์ ๊ทํ๋ ์๋ (0~1)
+ normalized_lat = r / h
+ # ๊ฐ๋จํ ์๋-๊ฐ์ ๊ด๊ณ (์ผ๋ด ํจํด ๊ทผ์ฌ)
+ lat_factor[r] = 1.0 - 0.3 * abs(normalized_lat - 0.5) * 2
+
+ precip *= lat_factor[:, np.newaxis]
+
+ # 2. ์งํ์ฑ ๊ฐ์ (๋ฐ๋๋ฐ์ด vs ๊ทธ๋)
+ if orographic_factor > 0:
+ # ๋์ชฝ์์ ๋ฐ๋์ด ๋ถ๋ค๊ณ ๊ฐ์
+ # ๊ณ ๋ ์ฆ๊ฐ ๊ตฌ๊ฐ = ๊ฐ์ ์ฆ๊ฐ (์์น ๊ธฐ๋ฅ)
+ # ๊ณ ๋ ๊ฐ์ ๊ตฌ๊ฐ = ๊ฐ์ ๊ฐ์ (ํ๊ฐ ๊ธฐ๋ฅ)
+
+ # X ๋ฐฉํฅ ๊ฒฝ์ฌ
+ _, dx = self.grid.get_gradient()
+
+ # ์์ ๊ฒฝ์ฌ = ๋์ชฝ์ผ๋ก ์์น = ๊ฐ์ ์ฆ๊ฐ
+ orographic = 1.0 + orographic_factor * (-dx) * 0.1
+ orographic = np.clip(orographic, 0.2, 2.0)
+
+ precip *= orographic
+
+ # 3. ๊ณ ๋ ํจ๊ณผ (์ผ์ ๊ณ ๋๊น์ง๋ ์ฆ๊ฐ, ์ดํ ๊ฐ์)
+ # ์ต๋ ๊ฐ์ ๊ณ ๋ (์: 2000m)
+ optimal_elev = 2000.0
+ elev_effect = 1.0 - 0.2 * np.abs(elev - optimal_elev) / optimal_elev
+ elev_effect = np.clip(elev_effect, 0.3, 1.2)
+
+ precip *= elev_effect
+
+ return precip
+
+ def get_temperature(self) -> np.ndarray:
+ """
+ ๊ธฐ์จ ๋ถํฌ ์์ฑ
+
+ Returns:
+ temperature: ๊ธฐ์จ ๋ฐฐ์ด (ยฐC)
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation
+
+ # ๊ธฐ๋ณธ ๊ธฐ์จ
+ temp = np.ones((h, w)) * self.base_temperature
+
+ # 1. ์๋ ํจ๊ณผ (์ ๋ > ๊ทน)
+ for r in range(h):
+ normalized_lat = r / h
+ # ์ ๋(0.5) = ๊ธฐ๋ณธ, ๊ทน(0, 1) = -30ยฐC
+ lat_temp_diff = 30.0 * abs(normalized_lat - 0.5) * 2
+ temp[r, :] -= lat_temp_diff
+
+ # 2. ๊ณ ๋ ํจ๊ณผ (์ฒด๊ฐ ์จ๋ ๊ฐ๋ฅ )
+ # ํด์๋ฉด ๊ธฐ์ค์์ km๋น lapse_rate๋งํผ ๊ฐ์
+ temp -= (elev / 1000.0) * self.lapse_rate
+
+ return temp
+
+ def get_weathering_rate(self, temperature: np.ndarray = None) -> np.ndarray:
+ """
+ ๊ธฐ์จ์ ๋ฐ๋ฅธ ํํ์จ ๊ณ์ฐ
+
+ ํํ์ ํํ: ์จ๋ ๋ค์ต โ ๋น ๋ฆ
+ ๋ฌผ๋ฆฌ์ ํํ: ๋๊ฒฐ-์ตํด (-10~10ยฐC) โ ๋น ๋ฆ
+
+ Args:
+ temperature: ๊ธฐ์จ ๋ฐฐ์ด (์์ผ๋ฉด ์์ฑ)
+
+ Returns:
+ weathering_rate: ์๋ ํํ์จ (0~1)
+ """
+ if temperature is None:
+ temperature = self.get_temperature()
+
+ h, w = self.grid.height, self.grid.width
+
+ # ํํ์ ํํ (์จ๋ ๋์์๋ก)
+ chemical = np.clip((temperature + 10) / 40.0, 0, 1)
+
+ # ๋ฌผ๋ฆฌ์ ํํ (๋๊ฒฐ-์ตํด ๋ฒ์์์ ์ต๋)
+ freeze_thaw = np.exp(-((temperature - 0) ** 2) / (2 * 10 ** 2))
+
+ # ํตํฉ ํํ์จ
+ weathering = chemical * 0.5 + freeze_thaw * 0.5
+
+ return weathering
diff --git a/engine/delta_physics.py b/engine/delta_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..447839025fa4c9a0d4150d49adff45c30f41c31e
--- /dev/null
+++ b/engine/delta_physics.py
@@ -0,0 +1,282 @@
+"""
+Geo-Lab AI: ์ผ๊ฐ์ฃผ ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
+Galloway ๋ถ๋ฅ ๊ธฐ๋ฐ 3๊ฐ์ง ์๋์ง ๊ท ํ
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple
+from enum import Enum
+from scipy.ndimage import gaussian_filter
+
+
+class DeltaType(Enum):
+ RIVER_DOMINATED = "์กฐ์กฑ์ (Bird's Foot)"
+ WAVE_DOMINATED = "์ํธ์ (Arcuate)"
+ TIDE_DOMINATED = "์ฒจ๊ฐ์ (Cuspate)"
+
+
+@dataclass
+class DeltaGrid:
+ """์ผ๊ฐ์ฃผ 2D ๊ทธ๋ฆฌ๋"""
+ width: int = 150
+ height: int = 150
+ cell_size: float = 50.0 # m
+
+ # ์งํ (ํด์๋ฉด ๊ธฐ์ค ๊ณ ๋, m)
+ elevation: np.ndarray = field(default=None)
+ # ํด์ ๋ฌผ (m)
+ sediment: np.ndarray = field(default=None)
+ # ์์ฌ (๋ฐ๋ค ๋ถ๋ถ)
+ water_depth: np.ndarray = field(default=None)
+
+ sea_level: float = 0.0
+
+ def __post_init__(self):
+ if self.elevation is None:
+ self.elevation = np.zeros((self.height, self.width))
+ if self.sediment is None:
+ self.sediment = np.zeros((self.height, self.width))
+ if self.water_depth is None:
+ self.water_depth = np.zeros((self.height, self.width))
+
+ @classmethod
+ def create_initial(cls, width: int = 150, height: int = 150,
+ land_fraction: float = 0.3):
+ """์ด๊ธฐ ์งํ - ์๋ฅ(์ก์ง) โ ํ๋ฅ(๋ฐ๋ค)"""
+ grid = cls(width=width, height=height)
+
+ land_rows = int(height * land_fraction)
+
+ for y in range(height):
+ if y < land_rows:
+ # ์ก์ง: ๊ฒฝ์ฌ
+ grid.elevation[y, :] = 10 - y * 0.3
+ else:
+ # ๋ฐ๋ค: ํด์๋ฉด ์๋
+ depth = (y - land_rows) * 0.2
+ grid.elevation[y, :] = -depth
+
+ # ํ์ฒ ์ฑ๋
+ center = width // 2
+ for x in range(center - 5, center + 6):
+ if 0 <= x < width:
+ grid.elevation[:land_rows, x] -= 2
+
+ # ์์ฌ ๊ณ์ฐ
+ grid.water_depth = np.maximum(0, grid.sea_level - grid.elevation)
+
+ return grid
+
+
+class RiverMouthDeposition:
+ """ํ๊ตฌ ํด์ (ํ์ฒ ์ฃผ๋)"""
+
+ def __init__(self, sediment_flux: float = 1000.0, # mยณ/yr
+ settling_velocity: float = 0.01): # m/s
+ self.sediment_flux = sediment_flux
+ self.settling_velocity = settling_velocity
+
+ def deposit(self, grid: DeltaGrid, river_energy: float,
+ channel_x: int, dt: float = 1.0) -> np.ndarray:
+ """ํ์ฒ ํด์ ๋ฌผ ๋ถ๋ฐฐ"""
+ h, w = grid.height, grid.width
+ deposition = np.zeros((h, w))
+
+ # ํ๊ตฌ ์์น
+ estuary_y = np.argmax(grid.elevation[:, channel_x] < grid.sea_level)
+ if estuary_y == 0:
+ estuary_y = h // 2
+
+ # ํ์ฒ ์ฐ์ธ: ๊ธธ๊ฒ ๋ป์ด๋๊ฐ๋ ํจํด (jet ํ์ฐ)
+ spread_angle = np.radians(15 + (1 - river_energy) * 30) # ํ์ฒ ์๋์ง ๋์ผ๋ฉด ์ข๊ฒ
+
+ for y in range(estuary_y, h):
+ dy = y - estuary_y + 1
+ spread = int(dy * np.tan(spread_angle))
+
+ for x in range(channel_x - spread, channel_x + spread + 1):
+ if 0 <= x < w:
+ # ๊ฑฐ๋ฆฌ์ ๋ฐ๋ฅธ ๊ฐ์
+ dist = np.sqrt((x - channel_x)**2 + dy**2)
+ dep_rate = self.sediment_flux * river_energy * np.exp(-dist / 50) * 0.001
+ deposition[y, x] += dep_rate * dt
+
+ return deposition
+
+
+class WaveRedistribution:
+ """ํ๋์ ์ํ ์ฌ๋ถ๋ฐฐ"""
+
+ def __init__(self, wave_power: float = 1.0):
+ self.wave_power = wave_power
+
+ def redistribute(self, grid: DeltaGrid, wave_energy: float,
+ dt: float = 1.0) -> np.ndarray:
+ """ํ๋์ ์ํ ํด์ ๋ฌผ ์ข์ฐ ํ์ฐ"""
+ # ํด์์ ๋ถ๊ทผ์์ ์ข์ฐ๋ก ํผ๋จ๋ฆผ
+ shoreline = np.abs(grid.elevation - grid.sea_level) < 2
+
+ # ๊ฐ์ฐ์์ ํํฐ๋ก ์ข์ฐ ํ์ฐ (x์ถ ๋ฐฉํฅ)
+ sediment_change = np.zeros_like(grid.sediment)
+
+ if np.any(shoreline):
+ # ํด์์ ๋ถ๊ทผ ํด์ ๋ฌผ๋ง ํ์ฐ
+ coastal_sediment = grid.sediment * shoreline.astype(float)
+ smoothed = gaussian_filter(coastal_sediment, sigma=[0.5, 3 * wave_energy])
+
+ # ๋ณํ๋
+ sediment_change = (smoothed - coastal_sediment) * wave_energy * dt * 0.1
+
+ return sediment_change
+
+
+class TidalScouring:
+ """์กฐ๋ฅ์ ์ํ ์นจ์"""
+
+ def __init__(self, tidal_range: float = 2.0): # m
+ self.tidal_range = tidal_range
+
+ def scour(self, grid: DeltaGrid, tidal_energy: float,
+ dt: float = 1.0) -> np.ndarray:
+ """์กฐ๋ฅ์ ์ํ ํ๊ตฌ ํ๋ (์ธ๊ตด)"""
+ h, w = grid.height, grid.width
+ erosion = np.zeros((h, w))
+
+ # ํ๊ตฌ ๋ถ๊ทผ (ํด์๋ฉด ๊ทผ์ฒ)
+ tidal_zone = np.abs(grid.elevation - grid.sea_level) < self.tidal_range
+
+ # ์ฑ๋ ๋ฐฉํฅ์ผ๋ก ์ธ๊ตด
+ for y in range(1, h):
+ for x in range(1, w-1):
+ if tidal_zone[y, x] and grid.sediment[y, x] > 0:
+ # ๋ฐ๋ค ๋ฐฉํฅ์ผ๋ก ํด์ ๋ฌผ ์ด๋
+ erosion[y, x] = grid.sediment[y, x] * tidal_energy * 0.01 * dt
+
+ return erosion
+
+
+class DeltaSimulation:
+ """์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
"""
+
+ def __init__(self, width: int = 150, height: int = 150):
+ self.grid = DeltaGrid.create_initial(width=width, height=height)
+
+ self.river_dep = RiverMouthDeposition()
+ self.wave_redis = WaveRedistribution()
+ self.tidal_scour = TidalScouring()
+
+ self.river_energy = 0.5
+ self.wave_energy = 0.3
+ self.tidal_energy = 0.2
+
+ self.history: List[np.ndarray] = []
+ self.time = 0.0
+
+ def set_energy_balance(self, river: float, wave: float, tidal: float):
+ """์๋์ง ๊ท ํ ์ค์ (0-1๋ก ์ ๊ทํ)"""
+ total = river + wave + tidal + 0.01
+ self.river_energy = river / total
+ self.wave_energy = wave / total
+ self.tidal_energy = tidal / total
+
+ def step(self, dt: float = 1.0):
+ """1 ํ์์คํ
"""
+ center_x = self.grid.width // 2
+
+ # 1. ํ์ฒ ํด์
+ river_dep = self.river_dep.deposit(
+ self.grid, self.river_energy, center_x, dt
+ )
+
+ # 2. ํ๋ ์ฌ๋ถ๋ฐฐ
+ wave_change = self.wave_redis.redistribute(
+ self.grid, self.wave_energy, dt
+ )
+
+ # 3. ์กฐ๋ฅ ์ธ๊ตด
+ tidal_erosion = self.tidal_scour.scour(
+ self.grid, self.tidal_energy, dt
+ )
+
+ # ์ ์ฉ
+ self.grid.sediment += river_dep + wave_change - tidal_erosion
+ self.grid.sediment = np.maximum(0, self.grid.sediment)
+
+ # ์งํ ์
๋ฐ์ดํธ
+ self.grid.elevation = self.grid.elevation + self.grid.sediment * 0.01
+ self.grid.water_depth = np.maximum(0, self.grid.sea_level - self.grid.elevation)
+
+ self.time += dt
+
+ def run(self, total_time: float, save_interval: float = 100.0, dt: float = 1.0):
+ """์๋ฎฌ๋ ์ด์
์คํ"""
+ steps = int(total_time / dt)
+ save_every = max(1, int(save_interval / dt))
+
+ self.history = [self.grid.elevation.copy()]
+
+ for i in range(steps):
+ self.step(dt)
+ if (i + 1) % save_every == 0:
+ self.history.append(self.grid.elevation.copy())
+
+ return self.history
+
+ def get_delta_type(self) -> DeltaType:
+ """ํ์ฌ ์ผ๊ฐ์ฃผ ์ ํ ํ๋ณ"""
+ if self.river_energy >= self.wave_energy and self.river_energy >= self.tidal_energy:
+ return DeltaType.RIVER_DOMINATED
+ elif self.wave_energy >= self.tidal_energy:
+ return DeltaType.WAVE_DOMINATED
+ else:
+ return DeltaType.TIDE_DOMINATED
+
+ def get_delta_area(self) -> float:
+ """์ผ๊ฐ์ฃผ ๋ฉด์ (ํด์๋ฉด ์ ์ ๋
)"""
+ initial_land = self.history[0] > self.grid.sea_level
+ current_land = self.grid.elevation > self.grid.sea_level
+ new_land = current_land & ~initial_land
+ return float(np.sum(new_land)) * self.grid.cell_size**2 / 1e6 # kmยฒ
+
+
+# ํ๋ฆฌ์ปดํจํ
+def precompute_delta(max_time: int = 10000,
+ river_energy: float = 60,
+ wave_energy: float = 25,
+ tidal_energy: float = 15,
+ save_every: int = 100) -> dict:
+ """์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
ํ๋ฆฌ์ปดํจํ
"""
+ sim = DeltaSimulation()
+ sim.set_energy_balance(river_energy, wave_energy, tidal_energy)
+
+ history = sim.run(
+ total_time=max_time,
+ save_interval=save_every,
+ dt=1.0
+ )
+
+ return {
+ 'history': history,
+ 'delta_type': sim.get_delta_type().value,
+ 'delta_area': sim.get_delta_area()
+ }
+
+
+if __name__ == "__main__":
+ print("์ผ๊ฐ์ฃผ ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
ํ
์คํธ")
+ print("=" * 50)
+
+ # ์๋๋ฆฌ์ค 1: ํ์ฒ ์ฐ์ธ
+ sim1 = DeltaSimulation()
+ sim1.set_energy_balance(80, 10, 10)
+ sim1.run(5000, save_interval=1000)
+ print(f"ํ์ฒ ์ฐ์ธ: {sim1.get_delta_type().value}, ๋ฉด์ {sim1.get_delta_area():.2f} kmยฒ")
+
+ # ์๋๋ฆฌ์ค 2: ํ๋ ์ฐ์ธ
+ sim2 = DeltaSimulation()
+ sim2.set_energy_balance(30, 60, 10)
+ sim2.run(5000, save_interval=1000)
+ print(f"ํ๋ ์ฐ์ธ: {sim2.get_delta_type().value}, ๋ฉด์ {sim2.get_delta_area():.2f} kmยฒ")
+
+ print("=" * 50)
+ print("ํ
์คํธ ์๋ฃ!")
diff --git a/engine/deposition.py b/engine/deposition.py
new file mode 100644
index 0000000000000000000000000000000000000000..8f20972e784620446cfefdee0615ff15e8cfb4b0
--- /dev/null
+++ b/engine/deposition.py
@@ -0,0 +1,174 @@
+"""
+Geo-Lab AI Engine: ํด์ ๋ก์ง
+์ ์ ๊ฐ์์ ๋ฐ๋ฅธ ์
์๋ณ ํด์ ๊ตฌํ
+"""
+import numpy as np
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+ from .base import Terrain, Water
+
+
+def settling_deposition(terrain: 'Terrain', water: 'Water',
+ sediment_load: np.ndarray,
+ critical_velocity: float = 0.5,
+ dt: float = 1.0) -> tuple:
+ """
+ ์ ์ ๊ฐ์์ ๋ฐ๋ฅธ ํด์ (Stokes' Law ๊ธฐ๋ฐ)
+ ์ ์์ด ์๊ณ๊ฐ ์ดํ๋ก ๋จ์ด์ง๋ฉด ํด์ ๋ฌผ์ด ์์
+
+ Parameters:
+ -----------
+ terrain : Terrain
+ ์งํ ๊ฐ์ฒด
+ water : Water
+ ์๋ฌธ ๊ฐ์ฒด
+ sediment_load : np.ndarray
+ ํ์ฌ ์ด๋ฐ ์ค์ธ ํด์ ๋ฌผ๋
+ critical_velocity : float
+ ํด์ ์ด ์์๋๋ ์๊ณ ์ ์
+ dt : float
+ ์๊ฐ ๋จ์
+
+ Returns:
+ --------
+ deposition_amount : np.ndarray
+ ํด์ ๋
+ remaining_sediment : np.ndarray
+ ๋จ์ ํด์ ๋ฌผ๋
+ """
+ # ์ ์์ด ๋ฎ์ ๊ณณ์์ ํด์
+ velocity_ratio = water.velocity / (critical_velocity + 0.01)
+ deposition_rate = np.maximum(0, 1 - velocity_ratio)
+
+ deposition_amount = sediment_load * deposition_rate * dt
+ remaining_sediment = sediment_load - deposition_amount
+
+ return deposition_amount, np.maximum(remaining_sediment, 0)
+
+
+def alluvial_fan_deposition(terrain: 'Terrain', water: 'Water',
+ sediment_load: np.ndarray,
+ slope_threshold: float = 0.1,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ์ ์์ง(Alluvial Fan) ํด์
+ ๊ธ๊ฒฉํ ๊ฒฝ์ฌ ๋ณํ ์ง์ (์ฐ์งโํ์ง)์์ ๋ถ์ฑ๊ผด ํด์
+
+ Returns:
+ --------
+ deposition_amount : np.ndarray
+ """
+ slope = terrain.get_slope()
+
+ # ๊ฒฝ์ฌ ๋ณํ์จ ๊ณ์ฐ
+ slope_change = np.gradient(slope, axis=0) + np.gradient(slope, axis=1)
+
+ # ๊ฒฝ์ฌ๊ฐ ๊ธ๊ฒฉํ ์ค์ด๋๋ ๊ณณ(์์ ๋ณํ์จ)์์ ํด์
+ fan_zone = slope_change < -slope_threshold
+
+ deposition = np.zeros_like(sediment_load)
+ deposition[fan_zone] = sediment_load[fan_zone] * 0.8 * dt
+
+ return deposition
+
+
+def levee_backswamp_deposition(terrain: 'Terrain', water: 'Water',
+ flood_level: float = 1.0,
+ dt: float = 1.0) -> tuple:
+ """
+ ์์ฐ์ ๋ฐฉ(Levee) & ๋ฐฐํ์ต์ง(Backswamp) ํด์
+ ํ์ ์ ํ์ฒ ๊ฐ๊น์ด์ ๊ตต์ ์
์, ๋ฉ๋ฆฌ์ ๋ฏธ๋ฆฝ ์
์ ํด์
+
+ Returns:
+ --------
+ levee_deposition : np.ndarray
+ ์์ฐ์ ๋ฐฉ ํด์ ๋ (๋ชจ๋ - ๋๊บผ์)
+ backswamp_deposition : np.ndarray
+ ๋ฐฐํ์ต์ง ํด์ ๋ (์ ํ - ์์)
+ """
+ h, w = terrain.height, terrain.width
+
+ # ํ์ฒ ์์น (๋์ ์ ๋)
+ channel_mask = water.discharge > np.percentile(water.discharge, 80)
+
+ levee = np.zeros((h, w))
+ backswamp = np.zeros((h, w))
+
+ # ํ์ฒ์ผ๋ก๋ถํฐ์ ๊ฑฐ๋ฆฌ ๊ณ์ฐ (๊ฐ๋จํ ํ์ฐ)
+ from scipy.ndimage import distance_transform_edt
+ if np.any(channel_mask):
+ distance = distance_transform_edt(~channel_mask)
+
+ # ์์ฐ์ ๋ฐฉ: ํ์ฒ ๋ฐ๋ก ์ (2-5์
)
+ levee_zone = (distance > 1) & (distance < 5)
+ levee[levee_zone] = flood_level * 0.3 * (5 - distance[levee_zone]) / 4 * dt
+
+ # ๋ฐฐํ์ต์ง: ๋ ๋จผ ๊ณณ (5-15์
)
+ backswamp_zone = (distance >= 5) & (distance < 15)
+ backswamp[backswamp_zone] = flood_level * 0.05 * dt
+
+ return levee, backswamp
+
+
+def delta_deposition(terrain: 'Terrain', water: 'Water',
+ river_energy: float = 1.0,
+ wave_energy: float = 0.5,
+ tidal_energy: float = 0.3,
+ sea_level: float = 0.0,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ์ผ๊ฐ์ฃผ(Delta) ํด์
+ 3๊ฐ์ง ์๋์ง(ํ์ฒ/ํ๋/์กฐ๋ฅ) ๊ท ํ์ ๋ฐ๋ผ ํํ ๊ฒฐ์
+
+ - ํ์ฒ ์ฐ์ธ: ์กฐ์กฑ์(Bird's foot) - ๋ฏธ์์ํผํ
+ - ํ๋ ์ฐ์ธ: ์ํธ์(Arcuate) - ๋์ผํ
+ - ์กฐ๋ฅ ์ฐ์ธ: ์ฒจ๊ฐ์(Cuspate) - ํฐ๋ฒ ๋ฅดํ
+
+ Returns:
+ --------
+ deposition_amount : np.ndarray
+ """
+ h, w = terrain.height, terrain.width
+ deposition = np.zeros((h, w))
+
+ # ํด์๋ฉด ๊ทผ์ฒ (ํ๊ตฌ)
+ estuary_zone = (terrain.elevation > sea_level - 5) & (terrain.elevation < sea_level + 10)
+ channel_mask = water.discharge > np.percentile(water.discharge, 70)
+ delta_zone = estuary_zone & channel_mask
+
+ if not np.any(delta_zone):
+ return deposition
+
+ # ์๋์ง ๋น์จ ์ ๊ทํ
+ total_energy = river_energy + wave_energy + tidal_energy + 0.01
+ r_ratio = river_energy / total_energy
+ w_ratio = wave_energy / total_energy
+ t_ratio = tidal_energy / total_energy
+
+ # ํ์ฒ ์ฐ์ธ: ๊ธธ๊ฒ ๋ป์ด๋๊ฐ๋ ํจํด
+ if r_ratio > 0.5:
+ # ํ๋ฆ ๋ฐฉํฅ์ผ๋ก ํด์ ๋ฌผ ํ์ฅ
+ deposition[delta_zone] = water.discharge[delta_zone] * r_ratio * 0.1 * dt
+
+ # ํ๋ ์ฐ์ธ: ๋๊ฒ ํผ์ง๋ ์ํธ ํจํด
+ elif w_ratio > 0.4:
+ # ์ข์ฐ๋ก ํผ์ง๊ฒ
+ from scipy.ndimage import gaussian_filter
+ base = np.zeros((h, w))
+ base[delta_zone] = water.discharge[delta_zone] * 0.1
+ deposition = gaussian_filter(base, sigma=3) * w_ratio * dt
+
+ # ์กฐ๋ฅ ์ฐ์ธ: ์์ ์ฌ ํํ
+ else:
+ # ์ข์ ์์ญ์ ์ง์ค
+ deposition[delta_zone] = water.discharge[delta_zone] * t_ratio * 0.05 * dt
+
+ return deposition
+
+
+def apply_deposition(terrain: 'Terrain', deposition_amount: np.ndarray):
+ """
+ ์งํ์ ํด์ ์ ์ฉ
+ """
+ terrain.elevation += deposition_amount
diff --git a/engine/erosion.py b/engine/erosion.py
new file mode 100644
index 0000000000000000000000000000000000000000..a21217964b3d8d366410bba24a2e35f80f9ffeef
--- /dev/null
+++ b/engine/erosion.py
@@ -0,0 +1,191 @@
+"""
+Geo-Lab AI Engine: ์นจ์ ๋ก์ง
+Stream Power Law ๊ธฐ๋ฐ ํ๋ฐฉ/์ธก๋ฐฉ ์นจ์ ๊ตฌํ
+"""
+import numpy as np
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+ from .base import Terrain, Water
+
+
+def vertical_erosion(terrain: 'Terrain', water: 'Water',
+ k_erosion: float = 0.0001,
+ m_exponent: float = 0.5,
+ n_exponent: float = 1.0,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ํ๋ฐฉ ์นจ์ (Vertical/Downcutting Erosion)
+ Stream Power Law: E = K * A^m * S^n
+
+ Parameters:
+ -----------
+ terrain : Terrain
+ ์งํ ๊ฐ์ฒด
+ water : Water
+ ์๋ฌธ ๊ฐ์ฒด
+ k_erosion : float
+ ์นจ์ ๊ณ์ (์์ ๊ฒฝ๋์ ์ญ์)
+ m_exponent : float
+ ์ ๋ ์ง์ (๋ณดํต 0.4-0.6)
+ n_exponent : float
+ ๊ฒฝ์ฌ ์ง์ (๋ณดํต 1.0)
+ dt : float
+ ์๊ฐ ๋จ์ (๋
)
+
+ Returns:
+ --------
+ erosion_amount : np.ndarray
+ ๊ฐ ์
์ ์นจ์๋ (m)
+ """
+ # ๊ฒฝ์ฌ ๊ณ์ฐ
+ slope = terrain.get_slope()
+
+ # Stream Power Law
+ # E = K * Q^m * S^n
+ # ์์ ๊ฒฝ๋๋ก K ์กฐ์ (๊ฒฝ๋๊ฐ ๋์ผ๋ฉด ์นจ์์ด ์ ์)
+ effective_k = k_erosion * (1 - terrain.rock_hardness * 0.9)
+
+ erosion_rate = effective_k * np.power(water.discharge + 0.1, m_exponent) * np.power(slope + 0.001, n_exponent)
+
+ erosion_amount = erosion_rate * dt
+
+ # ์นจ์๋ ์ ํ (๋๋ฌด ๊ธ๊ฒฉํ ๋ณํ ๋ฐฉ์ง)
+ max_erosion = 10.0 # ์ต๋ 10m/yr
+ erosion_amount = np.clip(erosion_amount, 0, max_erosion)
+
+ return erosion_amount
+
+
+def lateral_erosion(terrain: 'Terrain', water: 'Water',
+ k_lateral: float = 0.00005,
+ curvature_factor: float = 1.0,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ์ธก๋ฐฉ ์นจ์ (Lateral Erosion)
+ ๊ณก๋ฅ ํ์ฒ์์ ๋ฐ๊นฅ์ชฝ(๊ณต๊ฒฉ์ฌ๋ฉด)์ ๊น์
+
+ Parameters:
+ -----------
+ terrain : Terrain
+ ์งํ ๊ฐ์ฒด
+ water : Water
+ ์๋ฌธ ๊ฐ์ฒด
+ k_lateral : float
+ ์ธก๋ฐฉ ์นจ์ ๊ณ์
+ curvature_factor : float
+ ๊ณก๋ฅ ๊ฐ์กฐ ๊ณ์
+ dt : float
+ ์๊ฐ ๋จ์ (๋
)
+
+ Returns:
+ --------
+ erosion_amount : np.ndarray
+ ๊ฐ ์
์ ์นจ์๋ (m)
+ """
+ h, w = terrain.height, terrain.width
+ erosion = np.zeros((h, w))
+
+ # ์ ๋ก ๊ณก๋ฅ ๊ณ์ฐ (ํ๋ฆ ๋ฐฉํฅ์ 2์ฐจ ๋ฏธ๋ถ)
+ flow_x, flow_y = water.flow_x, water.flow_y
+
+ # ๊ณก๋ฅ ๊ทผ์ฌ: ํ๋ฆ ๋ฐฉํฅ์ ๋ณํ์จ
+ curvature_x = np.gradient(flow_x, axis=1)
+ curvature_y = np.gradient(flow_y, axis=0)
+ curvature = np.sqrt(curvature_x**2 + curvature_y**2)
+
+ # ์ธก๋ฐฉ ์นจ์ = ์ ๋ * ์ ์ * ๊ณก๋ฅ
+ # ๊ณก๋ฅ ์ด ํฐ ๊ณณ(๊ธ์ปค๋ธ) = ๋ฐ๊นฅ์ชฝ ์นจ์ ๊ฐํจ
+ erosion = k_lateral * water.discharge * water.velocity * curvature * curvature_factor * dt
+
+ # ํ์ฒ์ด ์๋ ๊ณณ์์๋ง ์นจ์ (์ ๋ ์๊ณ๊ฐ)
+ channel_mask = water.discharge > 0.1
+ erosion = erosion * channel_mask
+
+ return np.clip(erosion, 0, 5.0)
+
+
+def headward_erosion(terrain: 'Terrain', water: 'Water',
+ k_headward: float = 0.0002,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ๋๋ถ ์นจ์ (Headward Erosion)
+ ํ์ฒ์ ์๋ฅ ๋์ด ์ ์ ๋ค๋ก ๋ฌผ๋ฌ๋จ
+ ํญํฌ, ํ๊ณก ํ์ฑ์ ํต์ฌ ๋ฉ์ปค๋์ฆ
+
+ Returns:
+ --------
+ erosion_amount : np.ndarray
+ ๊ฐ ์
์ ์นจ์๋ (m)
+ """
+ h, w = terrain.height, terrain.width
+ erosion = np.zeros((h, w))
+
+ # ๊ธ๊ฒฝ์ฌ ์ง์ (Knickpoint) ์ฐพ๊ธฐ
+ slope = terrain.get_slope()
+ steep_mask = slope > np.percentile(slope[slope > 0], 90) # ์์ 10% ๊ธ๊ฒฝ์ฌ
+
+ # ๊ธ๊ฒฝ์ฌ + ์ ๋์ด ์๋ ๊ณณ์์ ๋๋ถ ์นจ์ ๋ฐ์
+ channel_mask = water.discharge > 0.5
+ knickpoint_mask = steep_mask & channel_mask
+
+ # ์๋ฅ ๋ฐฉํฅ์ผ๋ก ์นจ์ ํ์ฅ
+ erosion[knickpoint_mask] = k_headward * water.discharge[knickpoint_mask] * dt
+
+ return np.clip(erosion, 0, 2.0)
+
+
+def apply_erosion(terrain: 'Terrain', erosion_amount: np.ndarray,
+ min_elevation: float = 0.0):
+ """
+ ์งํ์ ์นจ์ ์ ์ฉ
+
+ Parameters:
+ -----------
+ terrain : Terrain
+ ์์ ํ ์งํ ๊ฐ์ฒด
+ erosion_amount : np.ndarray
+ ์นจ์๋ ๋ฐฐ์ด
+ min_elevation : float
+ ์ต์ ๊ณ ๋ (ํด์๋ฉด)
+ """
+ terrain.elevation -= erosion_amount
+ terrain.elevation = np.maximum(terrain.elevation, min_elevation)
+
+
+def mass_wasting(terrain: 'Terrain',
+ critical_slope: float = 0.7, # ~35๋
+ transfer_rate: float = 0.3) -> np.ndarray:
+ """
+ ์ฌ๋ฉด ๋ถ๊ดด (Mass Wasting)
+ V์๊ณก ํ์ฑ ์ ์์ ์ฌ๋ฉด์ด ๋ฌด๋์ง๋ ๊ณผ์
+
+ Returns:
+ --------
+ elevation_change : np.ndarray
+ ๊ณ ๋ ๋ณํ๋ (๋์ ๊ณณ -, ๋ฎ์ ๊ณณ +)
+ """
+ h, w = terrain.height, terrain.width
+ change = np.zeros((h, w))
+
+ slope = terrain.get_slope()
+
+ # ์๊ณ ๊ฒฝ์ฌ ์ด๊ณผ ์ง์ ์์ ๋ฌผ์ง ์ด๋
+ unstable = slope > critical_slope
+
+ for y in range(1, h-1):
+ for x in range(1, w-1):
+ if unstable[y, x]:
+ # ์ฃผ๋ณ์ผ๋ก ๋ฌผ์ง ๋ถ๋ฐฐ
+ elev = terrain.elevation[y, x]
+ neighbors = [
+ (y-1, x), (y+1, x), (y, x-1), (y, x+1)
+ ]
+
+ for ny, nx in neighbors:
+ if terrain.elevation[ny, nx] < elev:
+ transfer = (elev - terrain.elevation[ny, nx]) * transfer_rate * 0.25
+ change[y, x] -= transfer
+ change[ny, nx] += transfer
+
+ return change
diff --git a/engine/erosion_process.py b/engine/erosion_process.py
new file mode 100644
index 0000000000000000000000000000000000000000..40703445313a980b2a89fe9e9ab6937554090f8d
--- /dev/null
+++ b/engine/erosion_process.py
@@ -0,0 +1,328 @@
+import numpy as np
+from .grid import WorldGrid
+
+class ErosionProcess:
+ """
+ ์งํ ๋ณ๊ฒฝ ์ปค๋ (Erosion/Deposition Kernel)
+
+ ๋ฌผ๋ฆฌ ๊ณต์์ ์ ์ฉํ์ฌ ์งํ(๊ณ ๋)์ ๋ณ๊ฒฝํฉ๋๋ค.
+ 1. Stream Power Law: ํ์ฒ ์นจ์ (E = K * A^m * S^n)
+ 2. Hillslope Diffusion: ์ฌ๋ฉด ๋ถ๊ดด/ํ์ฐ (dz/dt = D * del^2 z)
+ """
+
+ def __init__(self, grid: WorldGrid, K: float = 1e-4, m: float = 0.5, n: float = 1.0, D: float = 0.01):
+ self.grid = grid
+ self.K = K # ์นจ์ ๊ณ์
+ self.m = m # ์ ๋ ์ง์
+ self.n = n # ๊ฒฝ์ฌ ์ง์
+ self.D = D # ํ์ฐ ๊ณ์ (์ฌ๋ฉด)
+
+ def stream_power_erosion(self, discharge: np.ndarray, dt: float = 1.0) -> np.ndarray:
+ """Stream Power Law ๊ธฐ๋ฐ ํ์ฒ ์นจ์"""
+ slope, _ = self.grid.get_gradient()
+
+ # E = K * Q^m * S^n
+ # (์ ๋ Q๋ฅผ ์ ์ญ๋ฉด์ A ๋์ ์ฌ์ฉ)
+ erosion_rate = self.K * np.power(discharge, self.m) * np.power(slope, self.n)
+
+ # ์ค์ ์นจ์๋ = rate * time
+ erosion_amount = erosion_rate * dt
+
+ # ๊ธฐ๋ฐ์ ์ดํ๋ก๋ ์นจ์ ๋ถ๊ฐ (available sediment first, then bedrock)
+ # ์ฌ๊ธฐ์๋ ๋จ์ํ๋ฅผ ์ํด Topography(elevation)์ ๋ฐ๋ก ๊น์.
+ # ๋จ, ํด์๋ฉด ์๋๋ ์นจ์ ์์ฉ ๊ฐ์ (๋ฌผ ์์์๋ Stream Power๊ฐ ์๋)
+ underwater = self.grid.is_underwater()
+ erosion_amount[underwater] *= 0.1
+
+ # ์งํ ์
๋ฐ์ดํธ
+ self.grid.elevation -= erosion_amount
+
+ # ๋จ์ํ: ๊น์ธ ๋งํผ ํด์ ๋ฌผ๋ก ๋ณํ๋์ด ์ด๋๊ฐ๋ก ๊ฐ์ผ ํ์ง๋ง,
+ # Stream Power Model(SPL)์ ๋ณดํต Detachment-limited ๋ชจ๋ธ์ด๋ผ ํด์ ์ ๋ช
์์ ์ผ๋ก ๋ค๋ฃจ์ง ์์.
+ # ํตํฉ ๋ชจ๋ธ์ ์ํด, ์นจ์๋ ์์ ํด์ ๋ฌผ ํ๋ญ์ค์ ๋ํด์ค ์ ์์ (๊ตฌํ ์์ )
+
+ return erosion_amount
+
+ def hillslope_diffusion(self, dt: float = 1.0) -> np.ndarray:
+ """์ฌ๋ฉด ํ์ฐ ํ๋ก์ธ์ค (Linear Diffusion)"""
+ elev = self.grid.elevation
+
+ # Laplacian calculation (์ด์ฐํ)
+ # del^2 z = (z_up + z_down + z_left + z_right - 4*z) / dx^2
+
+ # Numpy roll์ ์ด์ฉํ ๋น ๋ฅธ ๊ณ์ฐ
+ up = np.roll(elev, -1, axis=0)
+ down = np.roll(elev, 1, axis=0)
+ left = np.roll(elev, -1, axis=1)
+ right = np.roll(elev, 1, axis=1)
+
+ dx2 = self.grid.cell_size ** 2
+ laplacian = (up + down + left + right - 4 * elev) / dx2
+
+ # ๊ฒฝ๊ณ ์กฐ๊ฑด ์ฒ๋ฆฌ (๊ฐ์ฅ์๋ฆฌ๋ ๊ณ์ฐ ์ ์ธ or 0)
+ laplacian[0, :] = 0
+ laplacian[-1, :] = 0
+ laplacian[:, 0] = 0
+ laplacian[:, -1] = 0
+
+ # dz/dt = D * del^2 z
+ change = self.D * laplacian * dt
+
+ self.grid.elevation += change
+ return change
+
+ def overbank_deposition(self, discharge: np.ndarray,
+ bankfull_capacity: float = 100.0,
+ decay_rate: float = 0.1,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ๋ฒ๋์ ํด์ (Overbank Deposition)
+
+ ํ์ฒ ์ฉ๋ ์ด๊ณผ ์ ๋ฒ๋ํ์ฌ ์ฃผ๋ณ์ ์ธ๋ฆฝ์ง ํด์ .
+ ํ๋์์ ๋ฉ์ด์ง์๋ก ํด์ ๋ ๊ฐ์ (์์ฐ์ ๋ฐฉ ํ์ฑ).
+
+ Args:
+ discharge: ์ ๋ ๋ฐฐ์ด
+ bankfull_capacity: ํ๋ ์ฉ๋ (์ด๊ณผ ์ ๋ฒ๋)
+ decay_rate: ๊ฑฐ๋ฆฌ์ ๋ฐ๋ฅธ ํด์ ๊ฐ์ ์จ
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ deposition: ํด์ ๋ ๋ฐฐ์ด
+ """
+ from scipy.ndimage import distance_transform_edt
+
+ h, w = self.grid.height, self.grid.width
+
+ # 1. ๋ฒ๋ ์ง์ ์๋ณ (์ฉ๋ ์ด๊ณผ)
+ overflow = np.maximum(0, discharge - bankfull_capacity)
+ flood_mask = overflow > 0
+
+ if not np.any(flood_mask):
+ return np.zeros((h, w))
+
+ # 2. ํ๋๋ก๋ถํฐ์ ๊ฑฐ๋ฆฌ ๊ณ์ฐ
+ # flood_mask๊ฐ ์๋ ๊ณณ์ด ํ๋
+ channel_mask = discharge > bankfull_capacity * 0.5
+
+ if not np.any(channel_mask):
+ return np.zeros((h, w))
+
+ # Distance Transform (ํ๋๋ก๋ถํฐ์ ๊ฑฐ๋ฆฌ)
+ distance = distance_transform_edt(~channel_mask) * self.grid.cell_size
+
+ # 3. ํด์ ๋ ๊ณ์ฐ (์ง์ ๊ฐ์ )
+ # Deposition = overflow * exp(-k * distance)
+ # ํ๋ ๊ทผ์ฒ(์์ฐ์ ๋ฐฉ)์ ๋ง์ด, ๋ฉ์๋ก(๋ฐฐํ์ต์ง) ์ ๊ฒ
+ max_overflow = overflow.max()
+ if max_overflow <= 0:
+ return np.zeros((h, w))
+
+ normalized_overflow = overflow / max_overflow
+
+ # ๋ฒ๋ ์ํฅ ๋ฒ์ (์ต๋ 50 ์
)
+ max_distance = 50 * self.grid.cell_size
+ influence = np.exp(-decay_rate * distance / self.grid.cell_size)
+ influence[distance > max_distance] = 0
+
+ # ํด์ ๋
+ deposition = normalized_overflow.max() * influence * 0.1 * dt
+
+ # ํด์๋ฉด ์๋๋ ์ ์ธ
+ underwater = self.grid.is_underwater()
+ deposition[underwater] = 0
+
+ # ํ๋ ์์ฒด๋ ์ ์ธ (ํ๋๋ ์นจ์์ด ์ฐ์ธ)
+ deposition[channel_mask] = 0
+
+ # 4. ํด์ ์ธต์ ์ถ๊ฐ
+ self.grid.add_sediment(deposition)
+
+ return deposition
+
+ def transport_and_deposit(self, discharge: np.ndarray, dt: float = 1.0, Kf: float = 0.01) -> np.ndarray:
+ """
+ ํด์ ๋ฌผ ์ด๋ฐ ๋ฐ ํด์ (Sediment Transport & Deposition)
+
+ Transport Capacity Law:
+ Q_cap = Kf * Q^m * S^n
+
+ - Q_cap > Q_sed: ์นจ์ (Erosion) -> ํด์ ๋ฌผ ์ฆ๊ฐ
+ - Q_cap < Q_sed: ํด์ (Deposition) -> ํด์ ๋ฌผ ๊ฐ์, ์งํ ์์น
+
+ Args:
+ discharge: ์ ๋
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+ Kf: ์ด๋ฐ ํจ์จ ๊ณ์ (Transport Efficiency)
+ """
+ slope, _ = self.grid.get_gradient()
+ # ๊ฒฝ์ฌ๊ฐ 0์ด๋ฉด ๋ฌดํ ํด์ ๋ฐฉ์ง๋ฅผ ์ํด ์ต์๊ฐ ์ค์
+ slope = np.maximum(slope, 0.001)
+
+ # 1. ์ด๋ฐ ๋ฅ๋ ฅ (Transport Capacity) ๊ณ์ฐ
+ # ์นจ์ ๊ณ์ K ๋์ ์ด๋ฐ ๊ณ์ Kf ์ฌ์ฉ (์ผ๋ฐ์ ์ผ๋ก K๋ณด๋ค ํผ)
+ capacity = Kf * np.power(discharge, self.m) * np.power(slope, self.n)
+
+ # 2. ํ์ฌ ๋ถ์ ์ฌ(Suspended Sediment) ๊ฐ์
+ # ์๋ฅ์์ ๋ค์ด์ค๋ ์ ์ฌ๋์ ์ด์ ๋จ๊ณ์ ์นจ์๋์ด๋ ๊ธฐ์ ์
๋์ ์์กด
+ # ์ฌ๊ธฐ์๋ ๋จ์ํ๋ฅผ ์ํด 'Local Equilibrium'์ ๊ฐ์ ํ์ง ์๊ณ ,
+ # ์ ๋์ ๋น๋กํ๋ ์ด๊ธฐ ์ ์ฌ๋์ ๊ฐ์ ํ๊ฑฐ๋,
+ # ์ด์ ์คํ
์ ์นจ์ ๊ฒฐ๊ณผ๋ฅผ ์ด์ฉํด์ผ ํจ.
+ # ํตํฉ ๋ชจ๋ธ์ ์ํด: "Erosion" ํจ์๊ฐ ๊น์๋ธ ํ์ ๋ฐํํ๋๋ก ํ๊ณ ,
+ # ์ด๋ฅผ capacity์ ๋น๊ตํ์ฌ ์ฌํด์ ์ํค๊ฑฐ๋ ํ๋ฅ๋ก ๋ณด๋.
+
+ # ํ์ง๋ง D8 ์๊ณ ๋ฆฌ์ฆ ์ ํ๋ฅ๋ก์ '์ ๋ฌ(Routing)'์ด ํ์ํจ.
+ # ์ฌ๊ธฐ์๋ Simplified Landform Evolution Model (SLEM) ๋ฐฉ์ ์ ์ฉ:
+ # dZs/dt = U - E + D
+ # D = (Q_cap - Q_sed) / Length_scale (if Q_sed > Q_cap)
+ # E = Stream Power (detachment limited)
+
+ # Delta ์๋ฎฌ๋ ์ด์
์ ์ํ ์ ๊ทผ:
+ # ํด์ ๋ฌผ ํ๋ญ์ค(Flux)๋ฅผ ํ๋ฅ๋ก ๋ฐ์ด๋ด๋ ๋ก์ง ์ถ๊ฐ.
+
+ h, w = self.grid.height, self.grid.width
+ sediment_flux = np.zeros((h, w))
+
+ # ์ ๋ ์์๋๋ก ์ฒ๋ฆฌ (Upstream -> Downstream)
+ # discharge๊ฐ ๋ฎ์ ๊ณณ(์๋ฅ)์์ ๋์ ๊ณณ(ํ๋ฅ)์ผ๋ก?
+ # D8 ํ๋ฆ ๋ฐฉํฅ์ ๋ค์ ์ถ์ ํด์ผ ์ ํํจ.
+ # ์ฌ๊ธฐ์๋ ๊ฐ๋จํ 'Capacity ์ด๊ณผ๋ถ ํด์ '๋ง ๊ตฌํํ๊ณ ,
+ # Flux Routing์ HydroKernel๊ณผ ์ฐ๋๋์ด์ผ ํจ.
+
+ # ์์: Capacity based deposition only (Local)
+ # ํด์ ๋ = (ํ์ฌ ์ ์ฌ๋ - ์ฉ๋) * ๋น์จ
+ # ํ์ฌ ์ ์ฌ๋์ด ์์ผ๋ฏ๋ก, ์นจ์๋ ํ(Stream Power ๊ฒฐ๊ณผ)์ด
+ # ํด๋น ์
์ Capacity๋ฅผ ๋์ผ๋ฉด ์ฆ์ ํด์ ๋๋ค๊ณ ๊ฐ์ .
+
+ pass
+ # TODO: Flux Routing ๊ตฌํ ํ์. ํ์ฌ ๊ตฌ์กฐ์์๋ ์ด๋ ค์.
+ # ErosionProcess๋ฅผ ์์ ํ์ฌ 'simulate_transport' ๋ฉ์๋๋ก ํตํฉ.
+
+ return capacity
+
+ def simulate_transport(self, discharge: np.ndarray, dt: float = 1.0,
+ sediment_influx_map: np.ndarray = None) -> np.ndarray:
+ """
+ ํตํฉ ํด์ ๋ฌผ ์ด์ก ์๋ฎฌ๋ ์ด์
(Flux-based)
+ 1. ์๋ฅ์์ ํด์ ๋ฌผ ์ ์
(Flux In)
+ 2. ๋ก์ปฌ ์นจ์/ํด์ (Erosion/Deposition)
+ 3. ํ๋ฅ๋ก ๋ฐฐ์ถ (Flux Out)
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation
+
+ # 1. ์ ๋ ฌ (๋์ ๊ณณ -> ๋ฎ์ ๊ณณ)
+ indices = np.argsort(elev.ravel())[::-1]
+
+ # ํด์ ๋ฌผ ํ๋ญ์ค ์ด๊ธฐํ (์ ์
์ ๋ฐ์)
+ flux = np.zeros((h, w))
+ if sediment_influx_map is not None:
+ flux += sediment_influx_map
+
+ slope, _ = self.grid.get_gradient()
+ slope = np.maximum(slope, 0.001)
+
+ change = np.zeros((h, w))
+
+ # D8 Neighbors (Lookup for flow_dir)
+ d8_dr = [-1, -1, -1, 0, 0, 1, 1, 1]
+ d8_dc = [-1, 0, 1, -1, 1, -1, 0, 1]
+
+ # Check if flow_dir is available
+ use_flow_dir = (self.grid.flow_dir is not None)
+
+ for idx in indices:
+ r, c = idx // w, idx % w
+
+
+
+ # ํด์๋ฉด ์๋ ๊น์ ๊ณณ์ ํด์ ์์ฃผ
+ underwater = self.grid.is_underwater()[r, c]
+
+ # A. ์ด๋ฐ ๋ฅ๋ ฅ (Capacity)
+ # ๋ฌผ ์์์๋ ์ ์์ด ๊ธ๊ฐํ๋ค๊ณ ๊ฐ์ -> Capacity ๊ฐ์
+ # eff_slope calculation fix: slope can be very small on flat land
+ eff_slope = slope[r, c] if not underwater else slope[r, c] * 0.01
+
+ # Kf (Transportation efficiency) should be high enough
+ # Use 'self.K * 100' or similar
+ qs_cap = self.K * 500 * np.power(discharge[r, c], self.m) * np.power(eff_slope, self.n)
+
+ # B. ํ์ฌ ํ๋ญ์ค (์๋ฅ์์ ๋ค์ด์จ ๊ฒ + ๋ก์ปฌ ์นจ์ ์ ์ฌ๋)
+ qs_in = flux[r, c]
+
+ # C. ์นจ์ vs ํด์ ๊ฒฐ์
+ # ๊ธฐ๊ณ์ ์นจ์ (Stream Power)
+ potential_erosion = self.K * np.power(discharge[r, c], self.m) * np.power(slope[r, c], self.n) * dt
+
+ # ๋ง์ฝ ๋ค์ด์จ ํ(qs_in)์ด ์ฉ๋(qs_cap)๋ณด๋ค ๋ง์ผ๋ฉด -> ํด์
+ if qs_in > qs_cap:
+ # ํด์ ๋ = ์ด๊ณผ๋ถ * 1.0 (์ผ๋จ 100% ํด์ ๊ฐ์ ํ์ฌ ํจ๊ณผ ํ์ธ)
+ deposition_amount = (qs_in - qs_cap) * 1.0
+ change[r, c] += deposition_amount
+ qs_out = qs_cap # ๋๋จธ์ง๋ ํ๋ฅ๋ก? ์๋, ํด์ ํ ๋จ์๊ฑด qs_cap์ (Transport-limited)
+ else:
+ # ์ฉ๋์ด ๋จ์ผ๋ฉด -> ์นจ์ํ์ฌ ํ์ ๋ ์ฃ๊ณ ๊ฐ
+ # ์ค์ ์นจ์ = ์ ์ฌ ์นจ์ (๊ธฐ๋ฐ์๋ ์นจ์ ๊ฐ๋ฅ)
+ erosion_amount = potential_erosion
+
+ change[r, c] -= erosion_amount
+ qs_out = qs_in + erosion_amount
+
+ # D. ํ๋ฅ๋ก ์ ๋ฌ (Qs Out Routing)
+ # Use pre-calculated flow direction if available
+ target_r, target_c = -1, -1
+
+ if use_flow_dir:
+ k = self.grid.flow_dir[r, c]
+ # k could be default 0 even if no flow?
+ # Usually sink nodes have special value (e.g. -1 or point to self)
+ # But here we initialized to 0.
+ # Need to check constraints.
+ # If discharge[r,c] > 0, flow_dir should be valid.
+ if discharge[r, c] > 0:
+ nr = r + d8_dr[k]
+ nc = c + d8_dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ target_r, target_c = nr, nc
+ else:
+ # Fallback: Local Seek (Slow)
+ min_z = elev[r, c]
+ for k in range(8):
+ nr = r + d8_dr[k]
+ nc = c + d8_dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ if elev[nr, nc] < min_z:
+ min_z = elev[nr, nc]
+ target_r, target_c = nr, nc
+
+ if target_r != -1:
+ flux[target_r, target_c] += qs_out
+ else:
+ # ๊ฐํ ๊ณณ(Sink) -> ๊ทธ ์๋ฆฌ์ ํด์
+ # ์นจ์์ด ๋ฐ์ํ๋ค๋ฉด ๋๋๋ ค๋๊ณ ํด์
+ change[r, c] += qs_out
+
+ # ์งํ ์
๋ฐ์ดํธ
+ # ์นจ์์ elevation ๊ฐ์, ํด์ ์ sediment ์ฆ๊ฐ์ด์ง๋ง
+ # ์ฌ๊ธฐ์๋ ํตํฉํ์ฌ elevation/sediment ์กฐ์
+
+ # ํด์ ๋ถ: sediment ์ธต์ ์ถ๊ฐ
+ self.grid.add_sediment(np.maximum(change, 0))
+
+ # ์นจ์๋ถ: elevation ๊ฐ์ (grid.add_sediment๊ฐ ์์๋ ์ฒ๋ฆฌํ๋? ์๋)
+ # ์นจ์์ bedrock์ด๋ sediment๋ฅผ ๊น์์ผ ํจ.
+ # erosion_process.py์ ์ญํ ์ ์ง์ grid ์์ ์ ํด๋ ๋จ.
+ erosion_mask = change < 0
+ loss = -change[erosion_mask]
+
+ # ํด์ ์ธต ๋จผ์ ๊น๊ณ ๊ธฐ๋ฐ์ ๊น๊ธฐ
+ sed_thickness = self.grid.sediment[erosion_mask]
+ sed_loss = np.minimum(loss, sed_thickness)
+ rock_loss = loss - sed_loss
+
+ self.grid.sediment[erosion_mask] -= sed_loss
+ self.grid.bedrock[erosion_mask] -= rock_loss
+ self.grid.update_elevation()
+
+ return change
diff --git a/engine/fluids.py b/engine/fluids.py
new file mode 100644
index 0000000000000000000000000000000000000000..02f9a6fab4fd5ca0a96dfcbb1a763a3d655d29bb
--- /dev/null
+++ b/engine/fluids.py
@@ -0,0 +1,286 @@
+import numpy as np
+from .grid import WorldGrid
+
+try:
+ from numba import jit
+ HAS_NUMBA = True
+except ImportError:
+ HAS_NUMBA = False
+ # Dummy decorator if numba is missing
+ def jit(*args, **kwargs):
+ def decorator(func):
+ return func
+ return decorator
+
+@jit(nopython=True)
+def _d8_flow_kernel(elev, discharge, flow_dir, underwater, h, w):
+ """
+ Numba-optimized D8 Flow Routing
+ """
+ # Flatten elevation to sort
+ flat_elev = elev.ravel()
+ # Sort indices descending (Source -> Sink)
+ # Note: argsort in numba supports 1D array
+ flat_indices = np.argsort(flat_elev)[::-1]
+
+ # 8-neighbor offsets
+ # Numba doesn't like list of tuples in loops sometimes, simple arrays are better
+ dr = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dc = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+
+ for i in range(len(flat_indices)):
+ idx = flat_indices[i]
+ r = idx // w
+ c = idx % w
+
+ # Check underwater
+ if underwater[r, c]:
+ continue
+
+ current_z = elev[r, c]
+ min_z = current_z
+ target_r = -1
+ target_c = -1
+ target_k = -1
+
+ # Find steepest descent
+ for k in range(8):
+ nr = r + dr[k]
+ nc = c + dc[k]
+
+ if 0 <= nr < h and 0 <= nc < w:
+ n_elev = elev[nr, nc]
+ if n_elev < min_z:
+ min_z = n_elev
+ target_r = nr
+ target_c = nc
+ target_k = k
+
+ # Pass flow to lowest neighbor
+ if target_r != -1:
+ discharge[target_r, target_c] += discharge[r, c]
+ flow_dir[r, c] = target_k # Store direction (0-7)
+
+class HydroKernel:
+ """
+ ์๋ ฅํ ์ปค๋ (Hydro Kernel)
+
+ ๋ฌผ์ ํ๋ฆ๊ณผ ๋ถํฌ๋ฅผ ์๋ฎฌ๋ ์ด์
ํฉ๋๋ค.
+ - D8 ์๊ณ ๋ฆฌ์ฆ: ํ์ฒ ๋คํธ์ํฌ ํ์ฑ (Numba ๊ฐ์ ์ ์ฉ)
+ - Shallow Water (๊ฐ์ํ): ํ์ ๋ฐ ํด์๋ฉด ์นจ์
+ """
+
+ def __init__(self, grid: WorldGrid):
+ self.grid = grid
+
+ def route_flow_d8(self, precipitation: float = 0.001) -> np.ndarray:
+ """
+ D8 ์๊ณ ๋ฆฌ์ฆ์ผ๋ก ์ ๋(Discharge) ๊ณ์ฐ (Numba ๊ฐ์)
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation
+
+ # 1. ์ด๊ธฐ ๊ฐ์ ๋ถํฌ
+ discharge = np.full((h, w), precipitation * (self.grid.cell_size ** 2), dtype=np.float64)
+
+ # 2. ํด์๋ฉด ๋ง์คํฌ
+ underwater = self.grid.is_underwater()
+
+ # 3. Numba Kernel ํธ์ถ
+ if HAS_NUMBA:
+ _d8_flow_kernel(elev, discharge, self.grid.flow_dir, underwater, h, w)
+ else:
+ # Fallback (Slow Python) if numba somehow fails to import
+ self._route_flow_d8_python(discharge, self.grid.flow_dir, elev, underwater, h, w)
+
+ return discharge
+
+ def route_flow_mfd(self, precipitation: float = 0.001, p: float = 1.1) -> np.ndarray:
+ """
+ MFD (Multiple Flow Direction) ์ ๋ ๋ถ๋ฐฐ
+
+ D8๊ณผ ๋ฌ๋ฆฌ ๋ฎ์ ๋ชจ๋ ์ด์์๊ฒ ๊ฒฝ์ฌ ๋น๋ก๋ก ์ ๋ ๋ถ๋ฐฐ.
+ ๋ง๋ฅ(Braided Stream) ๋ฐ ๋ถ๊ธฐ๋ฅ ํํ์ ์ ํฉ.
+
+ Args:
+ precipitation: ๊ฐ์๋
+ p: ๋ถ๋ฐฐ ์ง์ (1.0=์ ํ, >1.0=๊ฐํ๋ฅธ ๊ณณ์ ์ง์ค)
+
+ Returns:
+ discharge: ์ ๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation
+
+ # ์ด๊ธฐ ๊ฐ์
+ discharge = np.full((h, w), precipitation * (self.grid.cell_size ** 2), dtype=np.float64)
+
+ # ํด์๋ฉด ๋ง์คํฌ
+ underwater = self.grid.is_underwater()
+
+ # D8 ๋ฐฉํฅ ๋ฒกํฐ
+ dr = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dc = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+ dist = np.array([1.414, 1.0, 1.414, 1.0, 1.0, 1.414, 1.0, 1.414]) # ๋๊ฐ ๊ฑฐ๋ฆฌ
+
+ # ์ ๋ ฌ (๋์ ๊ณณ -> ๋ฎ์ ๊ณณ)
+ flat_indices = np.argsort(elev.ravel())[::-1]
+
+ for idx in flat_indices:
+ r, c = idx // w, idx % w
+
+ if underwater[r, c]:
+ continue
+
+ current_z = elev[r, c]
+ current_q = discharge[r, c]
+
+ if current_q <= 0:
+ continue
+
+ # ๋ฎ์ ์ด์๋ค์ ๊ฒฝ์ฌ ๊ณ์ฐ
+ slopes = []
+ targets = []
+
+ for k in range(8):
+ nr, nc = r + dr[k], c + dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ dz = current_z - elev[nr, nc]
+ if dz > 0: # ํ๊ฐํ๋ ๋ฐฉํฅ๋ง
+ slope = dz / (dist[k] * self.grid.cell_size)
+ slopes.append(slope ** p)
+ targets.append((nr, nc))
+
+ if not slopes:
+ continue
+
+ # ๊ฒฝ์ฌ ๋น๋ก ๋ถ๋ฐฐ
+ total_slope = sum(slopes)
+ for i, (nr, nc) in enumerate(targets):
+ fraction = slopes[i] / total_slope
+ discharge[nr, nc] += current_q * fraction
+
+ return discharge
+
+ def _route_flow_d8_python(self, discharge, flow_dir, elev, underwater, h, w):
+ """Legacy Python implementation for fallback"""
+ flat_indices = np.argsort(elev.ravel())[::-1]
+ neighbors = [(-1,-1), (-1,0), (-1,1), (0,-1), (0,1), (1,-1), (1,0), (1,1)]
+
+ for idx in flat_indices:
+ r, c = idx // w, idx % w
+ if underwater[r, c]: continue
+
+ min_z = elev[r, c]
+ target = None
+ target_k = -1
+
+ for k, (dr, dc) in enumerate(neighbors):
+ nr, nc = r + dr, c + dc
+ if 0 <= nr < h and 0 <= nc < w:
+ if elev[nr, nc] < min_z:
+ min_z = elev[nr, nc]
+ target = (nr, nc)
+ target_k = k
+
+ if target:
+ tr, tc = target
+ discharge[tr, tc] += discharge[r, c]
+ flow_dir[r, c] = target_k
+
+ def calculate_water_depth(self, discharge: np.ndarray, manning_n: float = 0.03) -> np.ndarray:
+ """
+ Manning ๊ณต์์ ์ด์ฉํ ํ์ฒ ์์ฌ ์ถ์ (์ ์ ๋ฑ๋ฅ ๊ฐ์ )
+ Depth = (Q * n / (Width * S^0.5))^(3/5)
+
+ * ๊ฒฝ์ฌ(S)๊ฐ 0์ธ ๊ฒฝ์ฐ ์ต์ ๊ฒฝ์ฌ ์ ์ฉ
+ * ํํญ(W)์ ์ ๋(Q)์ ํจ์๋ก ๊ฐ์ (W ~ Q^0.5)
+ """
+ slope, _ = self.grid.get_gradient()
+ slope = np.maximum(slope, 0.001) # ์ต์ ๊ฒฝ์ฌ ์ค์
+
+ # ํํญ ์ถ์ : W = 5 * Q^0.5 (๊ฒฝํ์)
+ # Q๊ฐ ๋งค์ฐ ์์ผ๋ฉด W๋ ์์์ง
+ width = 5.0 * np.sqrt(discharge)
+ width = np.maximum(width, 1.0) # ์ต์ ํญ 1m
+
+ # ์์ฌ ๊ณ์ฐ
+ # Q = V * Area = (1/n * R^(2/3) * S^(1/2)) * (W * D)
+ # ์ง์ฌ๊ฐํ ๋จ๋ฉด ๊ฐ์ ์ R approx D (๋์ ํ์ฒ)
+ # Q = (1/n) * D^(5/3) * W * S^(1/2)
+ # D = (Q * n / (W * S^0.5)) ^ (3/5)
+
+ val = (discharge * manning_n) / (width * np.sqrt(slope))
+ depth = np.power(val, 0.6)
+
+ return depth
+
+ def simulate_inundation(self):
+ """ํด์๋ฉด ์์น์ ๋ฐ๋ฅธ ์นจ์ ์๋ฎฌ๋ ์ด์
"""
+ # ํด์๋ฉด๋ณด๋ค ๋ฎ์ ๊ณณ์ ๋ฐ๋ค๋ก ๊ฐ์ฃผํ๊ณ ์์ฌ์ ์ฑ์
+ underwater = self.grid.is_underwater()
+
+ # ๋ฐ๋ค ์์ฌ = ํด์๋ฉด - ์งํ๋ฉด๊ณ ๋
+ sea_depth = np.maximum(0, self.grid.sea_level - self.grid.elevation)
+
+ # ๊ธฐ์กด ์์ฌ(ํ์ฒ)๊ณผ ๋ฐ๋ค ์์ฌ ์ค ํฐ ๊ฐ ์ ํ
+ # (ํ์ฒ์ด ๋ฐ๋ค๋ก ๋ค์ด๊ฐ๋ฉด ๋ฐ๋ค ์์ฌ์ ๋ฌปํ)
+ self.grid.water_depth = np.where(underwater, sea_depth, self.grid.water_depth)
+
+ def fill_sinks(self, max_iterations: int = 100, tolerance: float = 0.001):
+ """
+ ์ฑํฌ(์
๋ฉ์ด) ์ฑ์ฐ๊ธฐ - ํธ์ ํ์ฑ
+
+ ๋ฌผ์ด ๊ฐํ๋ ๊ณณ์ ์ฐพ์ ์ฑ์์ ์๋ฅ(Overflow)๊ฐ ๊ฐ๋ฅํ๋๋ก ํจ.
+ ๊ฐ๋จํ ๋ฐ๋ณต ์ค๋ฌด๋ฉ ๋ฐฉ์ (Priority-Flood ๊ทผ์ฌ)
+
+ Args:
+ max_iterations: ์ต๋ ๋ฐ๋ณต ํ์
+ tolerance: ์๋ ด ํ์ฉ ์ค์ฐจ
+ """
+ h, w = self.grid.height, self.grid.width
+ elev = self.grid.elevation.copy()
+
+ # ๊ฒฝ๊ณ๋ ๊ณ ์ (๋ฌผ์ด ๋น ์ ธ๋๊ฐ)
+ # ๋ด๋ถ ์ฑํฌ๋ง ์ฑ์
+
+ dr = [-1, -1, -1, 0, 0, 1, 1, 1]
+ dc = [-1, 0, 1, -1, 1, -1, 0, 1]
+
+ for iteration in range(max_iterations):
+ changed = False
+ new_elev = elev.copy()
+
+ for r in range(1, h - 1):
+ for c in range(1, w - 1):
+ current = elev[r, c]
+
+ # ์ด์ ์ค ์ต์๊ฐ ์ฐพ๊ธฐ
+ min_neighbor = current
+ for k in range(8):
+ nr, nc = r + dr[k], c + dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ min_neighbor = min(min_neighbor, elev[nr, nc])
+
+ # ๋ชจ๋ ์ด์๋ณด๋ค ๋ฎ์ผ๋ฉด (์ฑํฌ) โ ์ต์ ์ด์ ๋์ด๋ก ๋ง์ถค
+ if current < min_neighbor:
+ # ์ด์ง ๋์ฌ์ ํ๋ฆ ์ ๋
+ new_elev[r, c] = min_neighbor + tolerance
+ changed = True
+
+ elev = new_elev
+
+ if not changed:
+ break
+
+ # ์ฑ์์ง ์ = ์ ๊ณ ๋ - ๊ธฐ์กด ๊ณ ๋
+ fill_amount = elev - self.grid.elevation
+
+ # ๋ฌผ๋ก ์ฑ์์ง ๊ฒ์ผ๋ก ์ฒ๋ฆฌ (water_depth ์ฆ๊ฐ)
+ self.grid.water_depth += np.maximum(fill_amount, 0)
+
+ # bedrock์ ๊ทธ๋๋ก, sediment๋ ๊ทธ๋๋ก (๋ฌผ๋ง ์ฑ์)
+ # ๋๋ sediment๋ก ์ฑ์ธ ์๋ ์์ (ํธ์ ํด์ )
+
+ return fill_amount
+
diff --git a/engine/glacier.py b/engine/glacier.py
new file mode 100644
index 0000000000000000000000000000000000000000..21c4109cfd29a5446cc01ad2735736e412dddf98
--- /dev/null
+++ b/engine/glacier.py
@@ -0,0 +1,218 @@
+"""
+Glacier Kernel (๋นํ ์ปค๋)
+
+๋นํ ์งํ ํ์ฑ ํ๋ก์ธ์ค
+- ๋นํ ์นจ์: Plucking (๋ฏ์ด๋ด๊ธฐ), Abrasion (๋ง์)
+- U์๊ณก ํ์ฑ
+- ๋ชจ๋ ์ธ(Moraine) ํด์
+
+ํต์ฌ:
+- ๋นํ ๋๊ป์ ๋น๋กํ ์นจ์
+- ์ธก๋ฉด๋ณด๋ค ์ค์ ์นจ์์ด ๊ฐํจ โ U์ ํํ
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+class GlacierKernel:
+ """
+ ๋นํ ์ปค๋
+
+ ๋นํ๊ฐ ์กด์ฌํ๋ ์ง์ญ์์ ์นจ์๊ณผ ํด์ ์ ์๋ฎฌ๋ ์ด์
.
+ """
+
+ def __init__(self, grid: WorldGrid,
+ ice_threshold_temp: float = 0.0, # ๋นํ ํ์ฑ ๊ธฐ์จ (ยฐC)
+ K_erosion: float = 0.0001,
+ sliding_velocity: float = 10.0): # m/year
+ self.grid = grid
+ self.ice_threshold = ice_threshold_temp
+ self.K = K_erosion
+ self.sliding_velocity = sliding_velocity
+
+ # ๋นํ ๋๊ป ๋ฐฐ์ด
+ self.ice_thickness = np.zeros((grid.height, grid.width))
+
+ def accumulate_ice(self, temperature: np.ndarray,
+ precipitation: np.ndarray,
+ dt: float = 1.0):
+ """
+ ๋นํ ์ถ์
+
+ ๊ธฐ์จ < ์๊ณ๊ฐ์ธ ๊ณณ์ ๋/๋นํ ์ถ์
+
+ Args:
+ temperature: ๊ธฐ์จ ๋ฐฐ์ด
+ precipitation: ๊ฐ์๋ ๋ฐฐ์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ๋นํ ์ถ์ ์กฐ๊ฑด: ๊ธฐ์จ < 0ยฐC
+ cold_mask = temperature < self.ice_threshold
+
+ # ์ถ์ ๋ฅ = ๊ฐ์๋ * (๊ธฐ์จ์ด ๋ฎ์์๋ก ๋ ๋ง์ด)
+ accumulation_rate = precipitation * np.clip(-temperature / 10.0, 0, 1) * 0.001
+
+ # ์ถ์
+ self.ice_thickness[cold_mask] += accumulation_rate[cold_mask] * dt
+
+ # ๋นํ ์๋ฉธ (๊ธฐ์จ > 0ยฐC)
+ warm_mask = temperature > self.ice_threshold
+ melt_rate = temperature * 0.01 # ๊ธฐ์จ๋น ์ตํด์จ
+ self.ice_thickness[warm_mask] -= np.minimum(
+ melt_rate[warm_mask] * dt,
+ self.ice_thickness[warm_mask]
+ )
+
+ self.ice_thickness = np.maximum(self.ice_thickness, 0)
+
+ def flow_ice(self, dt: float = 1.0):
+ """
+ ๋นํ ํ๋ฆ (์ค๋ ฅ์ ์ํ ํ๊ฐ)
+
+ ๋์ ๊ณณ์์ ๋ฎ์ ๊ณณ์ผ๋ก ๋นํ ์ด๋
+ """
+ h, w = self.grid.height, self.grid.width
+
+ slope, _ = self.grid.get_gradient()
+
+ # ๋นํ ํ๋ฆ ์๋ = ๊ธฐ๋ณธ ์๋ * ๊ฒฝ์ฌ * ๋๊ป
+ flow_speed = self.sliding_velocity * slope * np.sqrt(self.ice_thickness + 0.1)
+
+ # D8 ๋ฐฉํฅ์ผ๋ก ๋นํ ์ด๋ (๊ฐ๋จํ ๊ทผ์ฌ)
+ dr = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dc = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+
+ new_ice = self.ice_thickness.copy()
+ elev = self.grid.elevation
+
+ for r in range(1, h - 1):
+ for c in range(1, w - 1):
+ if self.ice_thickness[r, c] <= 0:
+ continue
+
+ # ๊ฐ์ฅ ๋ฎ์ ์ด์ ์ฐพ๊ธฐ
+ min_z = elev[r, c]
+ target = None
+
+ for k in range(8):
+ nr, nc = r + dr[k], c + dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ if elev[nr, nc] < min_z:
+ min_z = elev[nr, nc]
+ target = (nr, nc)
+
+ if target:
+ tr, tc = target
+ # ์ด๋๋ (์๋์ ๋น๋ก, ์ต๋ 10%)
+ move = min(self.ice_thickness[r, c] * 0.1 * dt, self.ice_thickness[r, c])
+ new_ice[r, c] -= move
+ new_ice[tr, tc] += move
+
+ self.ice_thickness = new_ice
+
+ def erode(self, dt: float = 1.0) -> np.ndarray:
+ """
+ ๋นํ ์นจ์
+
+ U์๊ณก ํ์ฑ์ ์ํ ์ฐจ๋ณ ์นจ์
+ - ์ค์(๋นํ ๋๊บผ์ด ๊ณณ): ๊ฐํ ์นจ์
+ - ์ธก๋ฉด: ์ฝํ ์นจ์
+
+ Returns:
+ erosion: ์นจ์๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ๋นํ๊ฐ ์๋ ๊ณณ๋ง ์นจ์
+ glacier_mask = self.ice_thickness > 0.1
+
+ erosion = np.zeros((h, w), dtype=np.float64)
+
+ if not np.any(glacier_mask):
+ return erosion
+
+ # ์นจ์๋ฅ = K * ๋๊ป * ์๋ * ๊ฒฝ์ฌ
+ slope, _ = self.grid.get_gradient()
+
+ erosion_rate = self.K * self.ice_thickness * self.sliding_velocity * slope
+ erosion[glacier_mask] = erosion_rate[glacier_mask] * dt
+
+ # ์นจ์ ์ ์ฉ
+ self.grid.bedrock -= erosion
+ self.grid.update_elevation()
+
+ return erosion
+
+ def deposit_moraine(self, dt: float = 1.0) -> np.ndarray:
+ """
+ ๋ชจ๋ ์ธ ํด์
+
+ ๋นํ ๋ง๋จ(thickness ๊ธ๊ฐ ์ง์ )์ ํด์
+
+ Returns:
+ deposition: ํด์ ๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ deposition = np.zeros((h, w), dtype=np.float64)
+
+ # ๋นํ ๋๊ป ๊ฐ์ ์ง์ = ๋ง๋จ
+ # Gradient of ice thickness
+ dy, dx = np.gradient(self.ice_thickness)
+ ice_gradient = np.sqrt(dx**2 + dy**2)
+
+ # ๋ง๋จ ์กฐ๊ฑด: ๋นํ ์๊ณ , gradient ํผ
+ terminal_mask = (self.ice_thickness > 0.1) & (ice_gradient > 0.1)
+
+ # ํด์ ๋ = gradient์ ๋น๋ก
+ deposition[terminal_mask] = ice_gradient[terminal_mask] * 0.01 * dt
+
+ # ํด์ ์ ์ฉ
+ self.grid.add_sediment(deposition)
+
+ return deposition
+
+ def step(self, temperature: np.ndarray = None,
+ precipitation: np.ndarray = None,
+ dt: float = 1.0) -> dict:
+ """
+ 1๋จ๊ณ ๋นํ ์์ฉ ์คํ
+
+ Args:
+ temperature: ๊ธฐ์จ ๋ฐฐ์ด (์์ผ๋ฉด ๊ธฐ๋ณธ๊ฐ ์ฌ์ฉ)
+ precipitation: ๊ฐ์๋ ๋ฐฐ์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ result: ๋นํ ์ํ ๋ฐ ๋ณํ๋
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ๊ธฐ๋ณธ ๊ธฐ์จ/๊ฐ์
+ if temperature is None:
+ # ๊ณ ๋ ๊ธฐ๋ฐ ๊ฐ๋จํ ๊ธฐ์จ ๊ณ์ฐ
+ temperature = 15.0 - (self.grid.elevation / 1000.0) * 6.5
+
+ if precipitation is None:
+ precipitation = np.ones((h, w)) * 1000.0 # mm/year
+
+ # 1. ๋นํ ์ถ์ /์๋ฉธ
+ self.accumulate_ice(temperature, precipitation, dt)
+
+ # 2. ๋นํ ํ๋ฆ
+ self.flow_ice(dt)
+
+ # 3. ์นจ์
+ erosion = self.erode(dt)
+
+ # 4. ๋ชจ๋ ์ธ ํด์
+ moraine = self.deposit_moraine(dt)
+
+ return {
+ 'ice_thickness': self.ice_thickness.copy(),
+ 'erosion': erosion,
+ 'moraine': moraine
+ }
diff --git a/engine/grid.py b/engine/grid.py
new file mode 100644
index 0000000000000000000000000000000000000000..e5264de14adf58dec83d5cf085bba55ee02fc0fa
--- /dev/null
+++ b/engine/grid.py
@@ -0,0 +1,88 @@
+import numpy as np
+from dataclasses import dataclass, field
+from typing import Tuple, Optional
+
+@dataclass
+class WorldGrid:
+ """
+ ์ง๊ตฌ ์์คํ
ํตํฉ ๊ทธ๋ฆฌ๋ (World Grid)
+
+ ๋ชจ๋ ๋ฌผ๋ฆฌ์ ์ํ(๊ณ ๋, ๋ฌผ, ํด์ ๋ฌผ)๋ฅผ ํตํฉ ๊ด๋ฆฌํ๋ ์ค์ ๋ฐ์ดํฐ ๊ตฌ์กฐ์
๋๋ค.
+ ๊ธฐ์กด์ ๊ฐ๋ณ ์๋ฎฌ๋ ์ด์
๊ทธ๋ฆฌ๋์ ๋ฌ๋ฆฌ, ์ ์ง๊ตฌ์ ํด์๋ฉด(Sea Level)๊ณผ ์ฐ๋๋ฉ๋๋ค.
+ """
+ width: int = 100
+ height: int = 100
+ cell_size: float = 10.0 # ๋ฏธํฐ (m)
+ sea_level: float = 0.0 # ํด์๋ฉด ๊ณ ๋ (m)
+
+ # --- ์ํ ๋ ์ด์ด (State Layers) ---
+ # ๊ธฐ๋ฐ์ ๊ณ ๋ (Bedrock Elevation)
+ bedrock: np.ndarray = field(default=None)
+ # ํด์ ์ธต ๋๊ป (Sediment Thickness)
+ sediment: np.ndarray = field(default=None)
+ # ์์ฌ (Water Depth) - ํ๋ฉด ์ ์ถ์
+ water_depth: np.ndarray = field(default=None)
+ # ์ ๋ (Discharge)
+ discharge: np.ndarray = field(default=None)
+ # ์ ํฅ (Flow Direction)
+ flow_dir: np.ndarray = field(default=None)
+
+ # --- ํ์ ๋ ์ด์ด (Derived Layers) ---
+ # ์งํ๋ฉด ๊ณ ๋ (Topography = Bedrock + Sediment)
+ elevation: np.ndarray = field(default=None)
+
+ def __post_init__(self):
+ """๊ทธ๋ฆฌ๋ ์ด๊ธฐํ"""
+ shape = (self.height, self.width)
+
+ if self.bedrock is None:
+ self.bedrock = np.zeros(shape)
+ if self.sediment is None:
+ self.sediment = np.zeros(shape)
+ if self.water_depth is None:
+ self.water_depth = np.zeros(shape)
+ if self.discharge is None:
+ self.discharge = np.zeros(shape)
+ if self.flow_dir is None:
+ self.flow_dir = np.zeros(shape, dtype=int)
+ if self.elevation is None:
+ self.update_elevation()
+
+ def update_elevation(self):
+ """์งํ๋ฉด ๊ณ ๋ ๊ฐฑ์ (๊ธฐ๋ฐ์ + ํด์ ์ธต)"""
+ self.elevation = self.bedrock + self.sediment
+
+ def get_gradient(self) -> Tuple[np.ndarray, np.ndarray]:
+ """
+ ๊ฒฝ์ฌ๋(Slope)์ ๊ฒฝ์ฌํฅ(Aspect) ๊ณ์ฐ
+ Returns:
+ slope (m/m): ๊ฒฝ์ฌ๋
+ aspect (rad): ๊ฒฝ์ฌ ๋ฐฉํฅ (0=East, pi/2=North)
+ """
+ dy, dx = np.gradient(self.elevation, self.cell_size)
+ slope = np.sqrt(dx**2 + dy**2)
+ aspect = np.arctan2(dy, dx)
+ return slope, aspect
+
+ def get_water_surface(self) -> np.ndarray:
+ """์๋ฉด ๊ณ ๋ ๋ฐํ (์งํ๋ฉด + ์์ฌ)"""
+ return self.elevation + self.water_depth
+
+ def is_underwater(self) -> np.ndarray:
+ """ํด์๋ฉด ๊ธฐ์ค ์นจ์ ์ฌ๋ถ ํ์ธ"""
+ # ํด์๋ฉด๋ณด๋ค ๋ฎ๊ฑฐ๋, ์งํ๋ฉด์ ๋ฌผ์ด ํ๋ฅด๊ณ ์๋ ๊ฒฝ์ฐ
+ # ์ฌ๊ธฐ์๋ ๊ฐ๋จํ 'ํด์๋ฉด' ๊ธฐ์ค๊ณผ '๋ด์' ์กด์ฌ ์ฌ๋ถ๋ฅผ ๋ถ๋ฆฌํด์ ์๊ฐํ ์ ์์.
+ # ์ผ๋จ ํด์๋ฉด(Sea Level) ๊ธฐ์ค ์นจ์ ์ง์ญ ๋ฐํ
+ return self.elevation < self.sea_level
+
+ def apply_uplift(self, rate: float, dt: float = 1.0):
+ """์ง๋ฐ ์ต๊ธฐ ์ ์ฉ"""
+ self.bedrock += rate * dt
+ self.update_elevation()
+
+ def add_sediment(self, amount: np.ndarray):
+ """ํด์ ๋ฌผ ์ถ๊ฐ/์ ๊ฑฐ"""
+ self.sediment += amount
+ # ํด์ ๋ฌผ์ 0๋ณด๋ค ์์ ์ ์์ (๊ธฐ๋ฐ์ ์นจ์์ ๋ณ๋ ๋ก์ง)
+ self.sediment = np.maximum(self.sediment, 0)
+ self.update_elevation()
diff --git a/engine/ideal_landforms.py b/engine/ideal_landforms.py
new file mode 100644
index 0000000000000000000000000000000000000000..e6a7f3a5a54c2602f7238560a58ba4b98141c557
--- /dev/null
+++ b/engine/ideal_landforms.py
@@ -0,0 +1,1621 @@
+"""
+Ideal Landform Geometry Models (์ด์์ ์งํ ๊ธฐํํ ๋ชจ๋ธ)
+
+๊ต๊ณผ์์ ์ธ ์งํ ํํ๋ฅผ ๊ธฐํํ์ ์ผ๋ก ์์ฑ.
+๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
์ด ์๋, ์ง์ ์ํ์ ์ผ๋ก "์ด์์ ํํ"๋ฅผ ๊ทธ๋ฆผ.
+
+- ์ผ๊ฐ์ฃผ: ๋ถ์ฑ๊ผด (Sector)
+- ์ ์์ง: ์๋ฟ (Cone)
+- ๊ณก๋ฅ: S์ ๊ณก์ (Kinoshita Curve)
+- U์๊ณก: ํฌ๋ฌผ์ ๋จ๋ฉด
+- V์๊ณก: ์ผ๊ฐํ ๋จ๋ฉด
+- ํด์ ์ ๋ฒฝ: ๊ณ๋จํ ํํด
+- ์ฌ๊ตฌ: ๋ฐ๋ฅดํ (Crescent)
+"""
+
+import numpy as np
+from typing import Tuple
+
+
+def create_delta(grid_size: int = 100,
+ apex_row: float = 0.2,
+ spread_angle: float = 120.0,
+ num_channels: int = 7) -> np.ndarray:
+ """
+ ์ผ๊ฐ์ฃผ (Delta) - ์กฐ์กฑ์/๋ถ์ฑ๊ผด
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ apex_row: ์ ์ (Apex) ์์น (0~1, ์๋จ ๊ธฐ์ค)
+ spread_angle: ํผ์ง ๊ฐ๋ (๋)
+ num_channels: ๋ถ๋ฐฐ ์๋ก ๊ฐ์
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ apex_y = int(h * apex_row)
+ center_x = w // 2
+
+ # ๋ฐฐ๊ฒฝ: ๋ฐ๋ค (์์)
+ elevation[:, :] = -5.0
+
+ # ์ก์ง ๋ฐฐ๊ฒฝ (์ผ๊ฐ์ฃผ ์ ์ฒด)
+ half_angle = np.radians(spread_angle / 2)
+
+ for r in range(apex_y, h):
+ dist = r - apex_y
+ if dist == 0:
+ continue
+
+ # ๊ฐ๋ ๋ฒ์ ๋ด ์ก์ง
+ for c in range(w):
+ dx = c - center_x
+ angle = np.arctan2(dx, dist) # ์ ์ ๊ธฐ์ค ๊ฐ๋
+
+ if abs(angle) < half_angle:
+ # ์ผ๊ฐ์ฃผ ์ก์ง
+ # ์ค์ฌ์์ ๋ฉ์๋ก ๋ฎ์์ง
+ radial_dist = np.sqrt(dx**2 + dist**2)
+ max_dist = h - apex_y
+ elevation[r, c] = 10.0 * (1 - radial_dist / max_dist)
+
+ # ๋ถ๋ฐฐ ์๋ก (Distributary Channels)
+ for i in range(num_channels):
+ channel_angle = -half_angle + (2 * half_angle) * (i / (num_channels - 1))
+
+ for r in range(apex_y, h):
+ dist = r - apex_y
+ c = int(center_x + dist * np.tan(channel_angle))
+
+ if 0 <= c < w:
+ # ์๋ก ํ๊ธฐ (์๊ฐ)
+ for dc in range(-2, 3):
+ if 0 <= c + dc < w:
+ depth = 2.0 * (1 - abs(dc) / 3)
+ elevation[r, c + dc] -= depth
+
+ return elevation
+
+
+def create_alluvial_fan(grid_size: int = 100,
+ apex_row: float = 0.15,
+ cone_angle: float = 90.0,
+ max_height: float = 50.0) -> np.ndarray:
+ """
+ ์ ์์ง (Alluvial Fan) - ์๋ฟํ
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ apex_row: ์ ์ ์์น
+ cone_angle: ๋ถ์ฑ๊ผด ๊ฐ๋
+ max_height: ์ต๋ ๊ณ ๋
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ apex_y = int(h * apex_row)
+ center_x = w // 2
+ half_angle = np.radians(cone_angle / 2)
+
+ # ๋ฐฐ๊ฒฝ ์ฐ์ง (์๋จ)
+ for r in range(apex_y):
+ elevation[r, :] = max_height + (apex_y - r) * 2.0
+
+ # ์ ์์ง ๋ณธ์ฒด (์๋ฟ)
+ for r in range(apex_y, h):
+ dist = r - apex_y
+ max_dist = h - apex_y
+
+ for c in range(w):
+ dx = c - center_x
+ angle = np.arctan2(abs(dx), dist) if dist > 0 else 0
+
+ if abs(np.arctan2(dx, dist)) < half_angle:
+ # ์๋ฟ ํํ: ์ค์ฌ์ด ๋๊ณ , ๊ฐ์ฅ์๋ฆฌ๊ฐ ๋ฎ์
+ radial = np.sqrt(dx**2 + dist**2)
+ # ์ ์ ์์ ๋ฉ์ด์ง์๋ก ๋ฎ์์ง
+ z = max_height * (1 - radial / (max_dist * 1.5))
+ # ๊ฐ์ฅ์๋ฆฌ๋ก ๊ฐ์๋ก ๋ ๊ธ๊ฒฉํ ๋ฎ์์ง
+ lateral_decay = 1 - abs(dx) / (w // 2)
+ elevation[r, c] = max(0, z * lateral_decay)
+ else:
+ elevation[r, c] = 0 # ํ์ง
+
+ # ํ๊ณก (Apex์์ ์์)
+ for r in range(0, apex_y + 5):
+ for dc in range(-3, 4):
+ c = center_x + dc
+ if 0 <= c < w:
+ depth = 10.0 * (1 - abs(dc) / 4)
+ elevation[r, c] -= depth
+
+ return elevation
+
+
+def create_meander(grid_size: int = 100,
+ amplitude: float = 0.3,
+ wavelength: float = 0.25,
+ num_bends: int = 3) -> np.ndarray:
+ """
+ ๊ณก๋ฅ (Meander) - S์ ์ฌํ ํ์ฒ
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ amplitude: ์ฌํ ์งํญ (๊ทธ๋ฆฌ๋ ๋น์จ)
+ wavelength: ํ์ฅ (๊ทธ๋ฆฌ๋ ๋น์จ)
+ num_bends: ๊ตฝ์ด ๊ฐ์
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐฐ๊ฒฝ: ๋ฒ๋์ ํํ๋ฉด
+ elevation[:, :] = 10.0
+
+ center_x = w // 2
+ amp = w * amplitude
+ wl = h / num_bends
+ channel_width = max(3, w // 20)
+
+ # ์ฌํ ํ์ฒ ๊ฒฝ๋ก
+ for r in range(h):
+ # Kinoshita curve (์ด์ํ๋ ๊ณก๋ฅ)
+ theta = 2 * np.pi * r / wl
+ meander_x = center_x + amp * np.sin(theta)
+
+ for c in range(w):
+ dist = abs(c - meander_x)
+
+ if dist < channel_width:
+ # ํ๋ (๋ฎ๊ฒ)
+ elevation[r, c] = 5.0 - (channel_width - dist) * 0.3
+ elif dist < channel_width * 3:
+ # ์์ฐ์ ๋ฐฉ (์ฝ๊ฐ ๋๊ฒ)
+ elevation[r, c] = 10.5
+
+ # ์ฐ๊ฐํธ (Oxbow Lake) ์ถ๊ฐ
+ # ์ค๊ฐ์ฏค์ ์ ๋จ๋ ๊ณก๋ฅ ํ์
+ oxbow_y = h // 2
+ oxbow_amp = amp * 1.5
+
+ for dy in range(-int(wl/4), int(wl/4)):
+ r = oxbow_y + dy
+ if 0 <= r < h:
+ theta = 2 * np.pi * dy / (wl/2)
+ ox_x = center_x + oxbow_amp * np.sin(theta)
+
+ for dc in range(-channel_width, channel_width + 1):
+ c = int(ox_x + dc)
+ if 0 <= c < w:
+ elevation[r, c] = 4.0 # ํธ์ ์๋ฉด
+
+ return elevation
+
+
+def create_u_valley(grid_size: int = 100,
+ valley_depth: float = 100.0,
+ valley_width: float = 0.4) -> np.ndarray:
+ """
+ U์๊ณก (U-shaped Valley) - ๋นํ ์นจ์ ์งํ
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ valley_depth: ๊ณก์ ๊น์ด
+ valley_width: ๊ณก์ ๋๋น (๋น์จ)
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = w // 2
+ half_width = int(w * valley_width / 2)
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - center)
+
+ if dx < half_width:
+ # U์ ๋ฐ๋ฅ (ํํ)
+ elevation[r, c] = 0
+ else:
+ # U์ ์ธก๋ฒฝ (๊ธ๊ฒฝ์ฌ ํ ์๋ง)
+ # y = (x/a)^4 ํํ
+ normalized_x = (dx - half_width) / (w // 2 - half_width)
+ elevation[r, c] = valley_depth * (normalized_x ** 2)
+
+ # ์๋ฅ๋ก ๊ฐ์๋ก ๋์์ง
+ elevation[r, :] += (h - r) / h * 30.0
+
+ return elevation
+
+
+def create_v_valley(grid_size: int = 100,
+ valley_depth: float = 80.0) -> np.ndarray:
+ """
+ V์๊ณก (V-shaped Valley) - ํ์ฒ ์นจ์ ์งํ
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ valley_depth: ๊ณก์ ๊น์ด
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = w // 2
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - center)
+
+ # V์ ํํ: |x| ์ ๋น๋ก
+ elevation[r, c] = valley_depth * (dx / (w // 2))
+
+ # ์๋ฅ๋ก ๊ฐ์๋ก ๋์์ง
+ elevation[r, :] += (h - r) / h * 50.0
+
+ # ํ์ฒ (V์ ๋ฐ๋ฅ)
+ for r in range(h):
+ for dc in range(-2, 3):
+ c = center + dc
+ if 0 <= c < w:
+ elevation[r, c] = max(0, elevation[r, c] - 5)
+
+ return elevation
+
+
+def create_barchan_dune(grid_size: int = 100,
+ num_dunes: int = 3) -> np.ndarray:
+ """
+ ๋ฐ๋ฅดํ ์ฌ๊ตฌ (Barchan Dune) - ์ด์น๋ฌ ๋ชจ์
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ num_dunes: ์ฌ๊ตฌ ๊ฐ์
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฌ๋ง ๊ธฐ๋ฐ๋ฉด
+ elevation[:, :] = 5.0
+
+ for i in range(num_dunes):
+ # ์ฌ๊ตฌ ์ค์ฌ
+ cy = h // 4 + i * (h // (num_dunes + 1))
+ cx = w // 2 + (i - num_dunes // 2) * (w // 5)
+
+ dune_height = 15.0 + np.random.rand() * 10.0
+ dune_length = w // 5
+ dune_width = w // 8
+
+ for r in range(h):
+ for c in range(w):
+ dy = r - cy
+ dx = c - cx
+
+ # ๋ฐ๋ฅดํ: ๋ฐ๋๋ฐ์ด(์)๋ ์๋ง, ๋ฐ๋๊ทธ๋(๋ค)๋ ๊ธ๊ฒฝ์ฌ
+ # ์ด์น๋ฌ ํํ
+
+ # ๊ฑฐ๋ฆฌ
+ dist = np.sqrt((dy / dune_length) ** 2 + (dx / dune_width) ** 2)
+
+ if dist < 1.0:
+ # ์ฌ๊ตฌ ๋ณธ์ฒด
+ # ์์ชฝ(๋ฐ๋๋ฐ์ด): ์๋งํ ๊ฒฝ์ฌ
+ # ๋ค์ชฝ: ๊ธ๊ฒฝ์ฌ (Slip Face)
+
+ if dy < 0: # ๋ฐ๋๋ฐ์ด
+ z = dune_height * (1 - dist) * (1 - abs(dy) / dune_length)
+ else: # ๋ฐ๋๊ทธ๋
+ z = dune_height * (1 - dist) * max(0, 1 - dy / (dune_length * 0.5))
+
+ # ์ด์น๋ฌ ๋ฟ (Horns)
+ horn_factor = 1 + 0.5 * abs(dx / dune_width)
+
+ elevation[r, c] = max(elevation[r, c], 5.0 + z * horn_factor)
+
+ return elevation
+
+
+def create_coastal_cliff(grid_size: int = 100,
+ cliff_height: float = 30.0,
+ num_stacks: int = 2) -> np.ndarray:
+ """
+ ํด์ ์ ๋ฒฝ (Coastal Cliff) + ์์คํ
+
+ Args:
+ grid_size: ๊ทธ๋ฆฌ๋ ํฌ๊ธฐ
+ cliff_height: ์ ๋ฒฝ ๋์ด
+ num_stacks: ์์คํ ๊ฐ์
+
+ Returns:
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐ๋ค (ํ๋จ)
+ sea_line = int(h * 0.6)
+ elevation[sea_line:, :] = -5.0
+
+ # ์ก์ง + ์ ๋ฒฝ
+ for r in range(sea_line):
+ cliff_dist = sea_line - r
+ if cliff_dist < 5:
+ # ์ ๋ฒฝ๋ฉด
+ elevation[r, :] = cliff_height * (cliff_dist / 5)
+ else:
+ # ํํํ ์ก์ง
+ elevation[r, :] = cliff_height
+
+ # ํ์๋ (Wave-cut Platform)
+ for r in range(sea_line, sea_line + 10):
+ if r < h:
+ elevation[r, :] = -2.0 + (r - sea_line) * 0.2
+
+ # ์์คํ (Sea Stacks)
+ for i in range(num_stacks):
+ sx = w // 3 + i * (w // 3)
+ sy = sea_line + 5 + i * 3
+
+ stack_height = cliff_height * 0.7
+
+ for dr in range(-3, 4):
+ for dc in range(-3, 4):
+ r, c = sy + dr, sx + dc
+ if 0 <= r < h and 0 <= c < w:
+ dist = np.sqrt(dr**2 + dc**2)
+ if dist < 3:
+ elevation[r, c] = stack_height * (1 - dist / 4)
+
+ return elevation
+
+
+# ============================================
+# ์ ๋๋ฉ์ด์
์ฉ ํ์ฑ๊ณผ์ ํจ์ (Stage-based)
+# stage: 0.0 (์์) ~ 1.0 (์์ฑ)
+# ============================================
+
+def create_delta_animated(grid_size: int, stage: float,
+ spread_angle: float = 120.0, num_channels: int = 7) -> np.ndarray:
+ """์ผ๊ฐ์ฃผ ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ apex_y = int(h * 0.2)
+ center_x = w // 2
+
+ # ๋ฐฐ๊ฒฝ: ๋ฐ๋ค
+ elevation[:, :] = -5.0
+
+ # ํ์ฒ (ํญ์ ์กด์ฌ)
+ for r in range(apex_y):
+ for dc in range(-3, 4):
+ c = center_x + dc
+ if 0 <= c < w:
+ elevation[r, c] = 5.0
+
+ # Stage์ ๋ฐ๋ผ ์ผ๊ฐ์ฃผ ์ฑ์ฅ
+ max_reach = int((h - apex_y) * stage)
+ half_angle = np.radians(spread_angle / 2) * stage # ๊ฐ๋๋ ์ ์ง์ ํ๋
+
+ for r in range(apex_y, apex_y + max_reach):
+ dist = r - apex_y
+ if dist == 0:
+ continue
+
+ for c in range(w):
+ dx = c - center_x
+ angle = np.arctan2(dx, dist)
+
+ if abs(angle) < half_angle:
+ radial_dist = np.sqrt(dx**2 + dist**2)
+ max_dist = max_reach if max_reach > 0 else 1
+ z = 10.0 * (1 - radial_dist / max_dist) * stage
+ elevation[r, c] = max(elevation[r, c], z)
+
+ # ๋ถ๋ฐฐ ์๋ก (stage 0.3 ์ดํ)
+ if stage > 0.3:
+ active_channels = int(num_channels * min(1.0, (stage - 0.3) / 0.7))
+ for i in range(active_channels):
+ channel_angle = -half_angle + (2 * half_angle) * (i / max(active_channels - 1, 1))
+ for r in range(apex_y, apex_y + max_reach):
+ dist = r - apex_y
+ c = int(center_x + dist * np.tan(channel_angle))
+ if 0 <= c < w:
+ for dc in range(-2, 3):
+ if 0 <= c + dc < w:
+ elevation[r, c + dc] -= 1.5
+
+ return elevation
+
+
+def create_alluvial_fan_animated(grid_size: int, stage: float,
+ cone_angle: float = 90.0, max_height: float = 50.0) -> np.ndarray:
+ """์ ์์ง ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ apex_y = int(h * 0.15)
+ center_x = w // 2
+
+ # ๋ฐฐ๊ฒฝ ์ฐ์ง (ํญ์ ์กด์ฌ)
+ for r in range(apex_y):
+ elevation[r, :] = max_height + (apex_y - r) * 2.0
+
+ # ํ๊ณก
+ for r in range(apex_y + 5):
+ for dc in range(-3, 4):
+ c = center_x + dc
+ if 0 <= c < w:
+ elevation[r, c] -= 10.0 * (1 - abs(dc) / 4)
+
+ # Stage์ ๋ฐ๋ผ ์ ์์ง ์ฑ์ฅ
+ max_reach = int((h - apex_y) * stage)
+ half_angle = np.radians(cone_angle / 2) * (0.5 + 0.5 * stage)
+
+ for r in range(apex_y, apex_y + max_reach):
+ dist = r - apex_y
+ for c in range(w):
+ dx = c - center_x
+ if abs(np.arctan2(dx, max(dist, 1))) < half_angle:
+ radial = np.sqrt(dx**2 + dist**2)
+ z = max_height * (1 - radial / (max_reach * 1.5)) * stage
+ lateral_decay = 1 - abs(dx) / (w // 2)
+ elevation[r, c] = max(0, z * lateral_decay)
+
+ return elevation
+
+
+def create_meander_animated(grid_size: int, stage: float,
+ amplitude: float = 0.3, num_bends: int = 3) -> np.ndarray:
+ """๊ณก๋ฅ ํ์ฑ๊ณผ์ ์ ๋๋ฉ์ด์
(์ง์ -> ์ฌํ -> ์ฐ๊ฐํธ)"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ elevation[:, :] = 10.0 # ๋ฒ๋์
+
+ center_x = w // 2
+ channel_width = max(3, w // 20)
+
+ # Stage์ ๋ฐ๋ฅธ ์ฌํ ์งํญ ๋ณํ (์ง์ -> ๊ตฝ์)
+ current_amp = w * amplitude * stage
+ wl = h / num_bends
+
+ for r in range(h):
+ theta = 2 * np.pi * r / wl
+ meander_x = center_x + current_amp * np.sin(theta)
+
+ for c in range(w):
+ dist = abs(c - meander_x)
+ if dist < channel_width:
+ elevation[r, c] = 5.0 - (channel_width - dist) * 0.3
+ elif dist < channel_width * 3:
+ elevation[r, c] = 10.5
+
+ # ์ฐ๊ฐํธ (stage > 0.8)
+ if stage > 0.8:
+ oxbow_intensity = (stage - 0.8) / 0.2
+ oxbow_y = h // 2
+ oxbow_amp = current_amp * 1.5
+
+ for dy in range(-int(wl/4), int(wl/4)):
+ r = oxbow_y + dy
+ if 0 <= r < h:
+ theta = 2 * np.pi * dy / (wl/2)
+ ox_x = center_x + oxbow_amp * np.sin(theta)
+ for dc in range(-channel_width, channel_width + 1):
+ c = int(ox_x + dc)
+ if 0 <= c < w:
+ elevation[r, c] = 4.0 * oxbow_intensity + elevation[r, c] * (1 - oxbow_intensity)
+
+ return elevation
+
+
+def create_u_valley_animated(grid_size: int, stage: float,
+ valley_depth: float = 100.0, valley_width: float = 0.4) -> np.ndarray:
+ """U์๊ณก ํ์ฑ๊ณผ์ (V์ -> U์ ๋ณํ)"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ center = w // 2
+
+ # V์์์ U์๋ก ๋ณํ
+ # stage 0: ์์ V, stage 1: ์์ U
+ half_width = int(w * valley_width / 2) * stage # U ๋ฐ๋ฅ ๋๋น
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - center)
+
+ if dx < half_width:
+ # U์ ๋ฐ๋ฅ
+ elevation[r, c] = 0
+ else:
+ # V์์ U๋ก ์ ํ
+ # V: linear, U: parabolic
+ normalized_x = (dx - half_width) / max(1, w // 2 - half_width)
+ v_height = valley_depth * normalized_x # V shape
+ u_height = valley_depth * (normalized_x ** 2) # U shape
+ elevation[r, c] = v_height * (1 - stage) + u_height * stage
+
+ elevation[r, :] += (h - r) / h * 30.0
+
+ return elevation
+
+
+def create_coastal_cliff_animated(grid_size: int, stage: float,
+ cliff_height: float = 30.0, num_stacks: int = 2) -> np.ndarray:
+ """ํด์ ์ ๋ฒฝ ํํด ๊ณผ์ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # Stage์ ๋ฐ๋ฅธ ํด์์ ํํด
+ initial_sea_line = int(h * 0.8)
+ final_sea_line = int(h * 0.5)
+ sea_line = int(initial_sea_line - (initial_sea_line - final_sea_line) * stage)
+
+ # ๋ฐ๋ค
+ elevation[sea_line:, :] = -5.0
+
+ # ์ก์ง + ์ ๋ฒฝ
+ for r in range(sea_line):
+ cliff_dist = sea_line - r
+ if cliff_dist < 5:
+ elevation[r, :] = cliff_height * (cliff_dist / 5)
+ else:
+ elevation[r, :] = cliff_height
+
+ # ํ์๋ (stage > 0.3)
+ if stage > 0.3:
+ platform_width = int(10 * (stage - 0.3) / 0.7)
+ for r in range(sea_line, min(h, sea_line + platform_width)):
+ elevation[r, :] = -2.0 + (r - sea_line) * 0.2
+
+ # ์์คํ (stage > 0.6)
+ if stage > 0.6:
+ stack_stage = (stage - 0.6) / 0.4
+ for i in range(num_stacks):
+ sx = w // 3 + i * (w // 3)
+ sy = sea_line + 5 + i * 3
+ stack_height = cliff_height * 0.7 * stack_stage
+
+ for dr in range(-3, 4):
+ for dc in range(-3, 4):
+ r, c = sy + dr, sx + dc
+ if 0 <= r < h and 0 <= c < w:
+ dist = np.sqrt(dr**2 + dc**2)
+ if dist < 3:
+ elevation[r, c] = stack_height * (1 - dist / 4)
+
+ return elevation
+
+
+def create_v_valley_animated(grid_size: int, stage: float,
+ valley_depth: float = 80.0) -> np.ndarray:
+ """V์๊ณก ํ์ฑ๊ณผ์ (ํํ๋ฉด -> ์นจ์ -> ๊น์ V์)"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ center = w // 2
+
+ # Stage์ ๋ฐ๋ฅธ ์นจ์ ๊น์ด ์ฆ๊ฐ
+ current_depth = valley_depth * stage
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - center)
+
+ # ์ด๊ธฐ ๊ณ ์ ์ํ์์ ์ ์ง์ ์ผ๋ก V์ ํ์ฑ
+ base_height = 50.0 # ์ด๊ธฐ ๊ณ ์ ๋์ด
+ v_shape = current_depth * (dx / (w // 2))
+
+ # ์นจ์ ์งํ์ ๋ฐ๋ผ V์ ๊น์ด์ง
+ elevation[r, c] = base_height - current_depth + v_shape
+
+ # ์๋ฅ ๊ฒฝ์ฌ
+ elevation[r, :] += (h - r) / h * 30.0
+
+ # ํ์ฒ (๋จ๊ณ์ ์ผ๋ก ํ์ฑ)
+ if stage > 0.2:
+ channel_intensity = min(1.0, (stage - 0.2) / 0.8)
+ for r in range(h):
+ for dc in range(-2, 3):
+ c = center + dc
+ if 0 <= c < w:
+ elevation[r, c] -= 5 * channel_intensity
+
+ return elevation
+
+
+def create_barchan_animated(grid_size: int, stage: float,
+ num_dunes: int = 3) -> np.ndarray:
+ """๋ฐ๋ฅดํ ์ฌ๊ตฌ ํ์ฑ๊ณผ์ (ํํ ์ฌ๋ง -> ๋ชจ๋ ์ถ์ -> ์ด์น๋ฌ ํ์ฑ)"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฌ๋ง ๊ธฐ๋ฐ๋ฉด
+ elevation[:, :] = 5.0
+
+ # Stage์ ๋ฐ๋ฅธ ์ฌ๊ตฌ ์ฑ์ฅ
+ np.random.seed(42) # ์ผ๊ด๋ ์์น
+
+ for i in range(num_dunes):
+ cy = h // 4 + i * (h // (num_dunes + 1))
+ cx = w // 2 + (i - num_dunes // 2) * (w // 5)
+
+ # ์ต์ข
๋์ด * stage
+ final_height = 15.0 + (i * 5.0)
+ dune_height = final_height * stage
+
+ # ์ฌ๊ตฌ ํฌ๊ธฐ๋ stage์ ๋น๋ก
+ dune_length = int((w // 5) * (0.3 + 0.7 * stage))
+ dune_width = int((w // 8) * (0.3 + 0.7 * stage))
+
+ if dune_length < 1 or dune_width < 1:
+ continue
+
+ for r in range(h):
+ for c in range(w):
+ dy = r - cy
+ dx = c - cx
+
+ dist = np.sqrt((dy / max(dune_length, 1)) ** 2 + (dx / max(dune_width, 1)) ** 2)
+
+ if dist < 1.0:
+ if dy < 0: # ๋ฐ๋๋ฐ์ด
+ z = dune_height * (1 - dist) * (1 - abs(dy) / max(dune_length, 1))
+ else: # ๋ฐ๋๊ทธ๋
+ z = dune_height * (1 - dist) * max(0, 1 - dy / (dune_length * 0.5))
+
+ horn_factor = 1 + 0.5 * abs(dx / max(dune_width, 1))
+ elevation[r, c] = max(elevation[r, c], 5.0 + z * horn_factor)
+
+ return elevation
+# ============================================
+# ํ์ฅ ์งํ (Extended Landforms)
+# ============================================
+
+def create_incised_meander(grid_size: int = 100, stage: float = 1.0,
+ valley_depth: float = 80.0, num_terraces: int = 3) -> np.ndarray:
+ """
+ ๊ฐ์
๊ณก๋ฅ (Incised Meander) + ํ์๋จ๊ตฌ (River Terraces)
+
+ ์ต๊ธฐ ํ๊ฒฝ์์ ๊ณก๋ฅ๊ฐ ์๋ฐ์ ํ๊ณ ๋ค์ด๊ฐ๋ฉด์ ํ์ฑ
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center_x = w // 2
+ amplitude = w * 0.25 * stage
+ wl = h / 3 # 3 bends
+ channel_width = max(3, w // 25)
+
+ # ๊ธฐ๋ฐ ๊ณ ์
+ elevation[:, :] = valley_depth
+
+ # ๊ฐ์
๊ณก๋ฅ ํ๊ธฐ
+ for r in range(h):
+ theta = 2 * np.pi * r / wl
+ meander_x = center_x + amplitude * np.sin(theta)
+
+ for c in range(w):
+ dist = abs(c - meander_x)
+
+ if dist < channel_width:
+ # ํ๋ (๊ฐ์ฅ ๊น์)
+ elevation[r, c] = 5.0
+ elif dist < channel_width * 2:
+ # ๊ธ๊ฒฝ์ฌ ์ธก๋ฒฝ
+ t = (dist - channel_width) / channel_width
+ elevation[r, c] = 5.0 + (valley_depth - 5.0) * t
+
+ # ํ์๋จ๊ตฌ (๊ณ๋จ)
+ terrace_heights = [valley_depth * (0.3 + 0.2 * i) for i in range(num_terraces)]
+
+ for terrace_h in terrace_heights:
+ for r in range(h):
+ theta = 2 * np.pi * r / wl
+ meander_x = center_x + amplitude * np.sin(theta) * 0.8
+
+ for c in range(w):
+ dist = abs(c - meander_x)
+ if channel_width * 3 < dist < channel_width * 4:
+ if elevation[r, c] > terrace_h:
+ elevation[r, c] = terrace_h
+
+ return elevation
+
+
+def create_free_meander(grid_size: int = 100, stage: float = 1.0,
+ num_bends: int = 4) -> np.ndarray:
+ """
+ ์์ ๊ณก๋ฅ (Free Meander) + ๋ฒ๋์ (Floodplain) + ์์ฐ์ ๋ฐฉ (Natural Levee)
+
+ ์ถฉ์ ํ์ผ ์๋ฅผ ์์ ๋กญ๊ฒ ์ฌํ
+ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฒ๋์ ๊ธฐ๋ฐ
+ elevation[:, :] = 10.0
+
+ center_x = w // 2
+ amplitude = w * 0.3 * stage
+ wl = h / num_bends
+ channel_width = max(3, w // 20)
+
+ for r in range(h):
+ theta = 2 * np.pi * r / wl
+ meander_x = center_x + amplitude * np.sin(theta)
+
+ for c in range(w):
+ dist = abs(c - meander_x)
+
+ if dist < channel_width:
+ # ํ๋
+ elevation[r, c] = 5.0 - (channel_width - dist) * 0.2
+ elif dist < channel_width * 2:
+ # ์์ฐ์ ๋ฐฉ (Levee) - ํ๋๋ณด๋ค ์ฝ๊ฐ ๋์
+ elevation[r, c] = 11.0
+ elif dist < channel_width * 4:
+ # ๋ฐฐํ์ต์ง (Backswamp) - ์ฝ๊ฐ ๋ฎ์
+ elevation[r, c] = 9.5
+
+ # ์ฐ๊ฐํธ (Oxbow Lake)
+ if stage > 0.7:
+ oxbow_y = h // 2
+ for dy in range(-int(wl/4), int(wl/4)):
+ r = oxbow_y + dy
+ if 0 <= r < h:
+ theta = 2 * np.pi * dy / (wl/2)
+ ox_x = center_x + amplitude * 1.3 * np.sin(theta)
+ for dc in range(-channel_width, channel_width + 1):
+ c = int(ox_x + dc)
+ if 0 <= c < w:
+ elevation[r, c] = 4.5
+
+ return elevation
+
+
+def create_bird_foot_delta(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """์กฐ์กฑ์ ์ผ๊ฐ์ฃผ (Bird-foot Delta) - ๋ฏธ์์ํผ๊ฐํ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ elevation[:, :] = -5.0 # ๋ฐ๋ค
+
+ apex_y = int(h * 0.15)
+ center_x = w // 2
+
+ # ๊ฐ๋๊ณ ๊ธด ๋ถ๋ฐฐ์๋ก๋ค
+ num_fingers = 5
+ max_length = int((h - apex_y) * stage)
+
+ for i in range(num_fingers):
+ angle = np.radians(-30 + 15 * i) # -30 to +30 degrees
+
+ for d in range(max_length):
+ r = apex_y + int(d * np.cos(angle))
+ c = center_x + int(d * np.sin(angle))
+
+ if 0 <= r < h and 0 <= c < w:
+ # ์ข์ finger ํํ
+ for dc in range(-3, 4):
+ for dr in range(-2, 3):
+ nr, nc = r + dr, c + dc
+ if 0 <= nr < h and 0 <= nc < w:
+ dist = np.sqrt(dr**2 + dc**2)
+ z = 8.0 * (1 - d / max_length) * (1 - dist / 4) * stage
+ elevation[nr, nc] = max(elevation[nr, nc], z)
+
+ # ํ์ฒ
+ for r in range(apex_y):
+ for dc in range(-3, 4):
+ if 0 <= center_x + dc < w:
+ elevation[r, center_x + dc] = 6.0
+
+ return elevation
+
+
+def create_arcuate_delta(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """ํธ์ ์ผ๊ฐ์ฃผ (Arcuate Delta) - ๋์ผ๊ฐํ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ elevation[:, :] = -5.0
+
+ apex_y = int(h * 0.2)
+ center_x = w // 2
+
+ # ๋ถ๋๋ฌ์ด ํธ ํํ
+ max_reach = int((h - apex_y) * stage)
+
+ for r in range(apex_y, apex_y + max_reach):
+ dist = r - apex_y
+ # Arc width increases with distance
+ arc_width = int(dist * 0.8)
+
+ for c in range(max(0, center_x - arc_width), min(w, center_x + arc_width)):
+ dx = abs(c - center_x)
+ radial = np.sqrt(dx**2 + dist**2)
+
+ # Smooth arc edge
+ edge_dist = arc_width - dx
+ if edge_dist > 0:
+ z = 10.0 * (1 - radial / (max_reach * 1.2)) * min(1, edge_dist / 10)
+ elevation[r, c] = max(elevation[r, c], z * stage)
+
+ # ํ์ฒ
+ for r in range(apex_y):
+ for dc in range(-4, 5):
+ if 0 <= center_x + dc < w:
+ elevation[r, center_x + dc] = 6.0
+
+ return elevation
+
+
+def create_cuspate_delta(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """์ฒจ๋์ ์ผ๊ฐ์ฃผ (Cuspate Delta) - ํฐ๋ฒ ๋ฅด๊ฐํ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+ elevation[:, :] = -5.0
+
+ apex_y = int(h * 0.2)
+ center_x = w // 2
+ point_y = int(apex_y + (h - apex_y) * 0.8 * stage)
+
+ # ๋พฐ์กฑํ ์ผ๊ฐํ ํํ
+ for r in range(apex_y, point_y):
+ dist = r - apex_y
+ total_dist = point_y - apex_y
+
+ # Width narrows toward point
+ width = int((w // 3) * (1 - dist / total_dist))
+
+ for c in range(max(0, center_x - width), min(w, center_x + width)):
+ dx = abs(c - center_x)
+ z = 10.0 * (1 - dist / total_dist) * (1 - dx / max(width, 1))
+ elevation[r, c] = max(elevation[r, c], z * stage)
+
+ # ํ์ฒ
+ for r in range(apex_y):
+ for dc in range(-3, 4):
+ if 0 <= center_x + dc < w:
+ elevation[r, center_x + dc] = 6.0
+
+ return elevation
+
+
+def create_cirque(grid_size: int = 100, stage: float = 1.0,
+ depth: float = 50.0) -> np.ndarray:
+ """๊ถ๊ณก (Cirque) - ๋นํ ์์์ """
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฐ์
๋ฐฐ๊ฒฝ
+ elevation[:, :] = depth + 30.0
+
+ # ๊ถ๊ณก ์์น (์๋จ ์ค์)
+ cirque_y = int(h * 0.3)
+ cirque_x = w // 2
+ cirque_radius = int(w * 0.25 * (0.5 + 0.5 * stage))
+
+ for r in range(h):
+ for c in range(w):
+ dy = r - cirque_y
+ dx = c - cirque_x
+ dist = np.sqrt(dy**2 + dx**2)
+
+ if dist < cirque_radius:
+ # ๋ฐ์ํ ์ํนํ ํํ
+ # ๋ฐ๋ฅ์ ํํ, ํ๋ฒฝ(headwall)์ ๊ธ๊ฒฝ์ฌ
+ if dy < 0: # ํ๋ฒฝ
+ z = depth * (1 - dist / cirque_radius) * 0.3
+ else: # ๋ฐ๋ฅ
+ z = depth * 0.1
+ elevation[r, c] = z
+
+ return elevation
+
+
+def create_horn(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """ํธ๋ฅธ (Horn) - ํผ๋ผ๋ฏธ๋ํ ๋ด์ฐ๋ฆฌ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = (h // 2, w // 2)
+ peak_height = 100.0 * stage
+
+ # 4๋ฐฉํฅ ๊ถ๊ณก์ ์ํ ํธ๋ฅธ ํ์ฑ
+ num_cirques = 4
+ cirque_radius = int(w * 0.3)
+
+ for r in range(h):
+ for c in range(w):
+ dy = r - center[0]
+ dx = c - center[1]
+ dist = np.sqrt(dy**2 + dx**2)
+
+ # ๊ธฐ๋ณธ ํผ๋ผ๋ฏธ๋ ํํ
+ elevation[r, c] = peak_height * max(0, 1 - dist / (w // 2))
+
+ # 4๋ฐฉํฅ ๊ถ๊ณก ํ๊ธฐ
+ for i in range(num_cirques):
+ angle = i * np.pi / 2
+ cx = center[1] + int(cirque_radius * 0.8 * np.cos(angle))
+ cy = center[0] + int(cirque_radius * 0.8 * np.sin(angle))
+
+ cdist = np.sqrt((r - cy)**2 + (c - cx)**2)
+ if cdist < cirque_radius * 0.6:
+ # ๊ถ๊ณก ํ๊ธฐ
+ elevation[r, c] = min(elevation[r, c],
+ 20.0 + 30.0 * (cdist / (cirque_radius * 0.6)))
+
+ return elevation
+
+
+def create_shield_volcano(grid_size: int = 100, stage: float = 1.0,
+ max_height: float = 40.0) -> np.ndarray:
+ """์์ํ์ฐ (Shield Volcano) - ์๋งํ ๊ฒฝ์ฌ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = (h // 2, w // 2)
+ radius = w // 2
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+
+ if dist < radius:
+ # ์๋งํ ํฌ๋ฌผ์ ํํ (๊ฒฝ์ฌ 5-10๋)
+ elevation[r, c] = max_height * (1 - (dist / radius)**2) * stage
+
+ # ์ ์๋ถ ํ๊ตฌ
+ crater_radius = int(radius * 0.1)
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+ if dist < crater_radius:
+ elevation[r, c] = max_height * 0.9 * stage
+
+ return elevation
+
+
+def create_stratovolcano(grid_size: int = 100, stage: float = 1.0,
+ max_height: float = 80.0) -> np.ndarray:
+ """์ฑ์ธตํ์ฐ (Stratovolcano) - ๊ธํ ์๋ฟํ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = (h // 2, w // 2)
+ radius = int(w * 0.4)
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+
+ if dist < radius:
+ # ๊ธํ ์๋ฟ (๊ฒฝ์ฌ 25-35๋)
+ elevation[r, c] = max_height * (1 - dist / radius) * stage
+
+ # ์ ์๋ถ ํ๊ตฌ
+ crater_radius = int(radius * 0.08)
+ crater_depth = 10.0
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+ if dist < crater_radius:
+ elevation[r, c] = max_height * stage - crater_depth
+
+ return elevation
+
+
+def create_caldera(grid_size: int = 100, stage: float = 1.0,
+ rim_height: float = 50.0) -> np.ndarray:
+ """์นผ๋ฐ๋ผ (Caldera) - ํ๊ตฌ ํจ๋ชฐ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = (h // 2, w // 2)
+ outer_radius = int(w * 0.45)
+ caldera_radius = int(w * 0.3)
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+
+ if dist < outer_radius:
+ if dist < caldera_radius:
+ # ์นผ๋ฐ๋ผ ๋ฐ๋ฅ (ํํ, ํธ์ ๊ฐ๋ฅ)
+ elevation[r, c] = 5.0
+ else:
+ # ์นผ๋ฐ๋ผ ๋ฒฝ (๊ธ๊ฒฝ์ฌ)
+ t = (dist - caldera_radius) / (outer_radius - caldera_radius)
+ elevation[r, c] = 5.0 + rim_height * (1 - t) * stage
+
+ return elevation
+
+
+def create_mesa_butte(grid_size: int = 100, stage: float = 1.0,
+ num_mesas: int = 2) -> np.ndarray:
+ """๋ฉ์ฌ/๋ทฐํธ (Mesa/Butte) - ํ์์ง"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฌ๋ง ๊ธฐ๋ฐ
+ elevation[:, :] = 5.0
+
+ mesa_height = 40.0 * stage
+
+ # ๋ฉ์ฌ ๋ฐฐ์น
+ positions = [(h//3, w//3), (h//2, 2*w//3)]
+ sizes = [(w//4, w//5), (w//6, w//6)] # ๋ฉ์ฌ, ๋ทฐํธ
+
+ for i, ((my, mx), (sw, sh)) in enumerate(zip(positions[:num_mesas], sizes[:num_mesas])):
+ for r in range(h):
+ for c in range(w):
+ if abs(r - my) < sh and abs(c - mx) < sw:
+ # ํํํ ์ ์๋ถ
+ elevation[r, c] = mesa_height
+ elif abs(r - my) < sh + 3 and abs(c - mx) < sw + 3:
+ # ๊ธ๊ฒฝ์ฌ ์ธก๋ฒฝ
+ edge_dist = min(abs(abs(r - my) - sh), abs(abs(c - mx) - sw))
+ elevation[r, c] = mesa_height * (1 - edge_dist / 3)
+
+ return elevation
+
+
+def create_spit_lagoon(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """์ฌ์ทจ (Spit) + ์ํธ (Lagoon)"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐ๋ค (์ค๋ฅธ์ชฝ)
+ sea_line = int(w * 0.6)
+ elevation[:, sea_line:] = -5.0
+
+ # ์ก์ง (์ผ์ชฝ)
+ elevation[:, :sea_line] = 10.0
+
+ # ์ฌ์ทจ (์ฐ์๋ฅ ๋ฐฉํฅ์ผ๋ก ๊ธธ๊ฒ)
+ spit_start = int(h * 0.3)
+ spit_length = int(h * 0.5 * stage)
+ spit_width = 5
+
+ for r in range(spit_start, min(h, spit_start + spit_length)):
+ # ์ฌ์ทจ๊ฐ ๋ฐ๋ค ์ชฝ์ผ๋ก ํ์ด์ง
+ curve = int((r - spit_start) / spit_length * (w * 0.15))
+ spit_x = sea_line + curve
+
+ for dc in range(-spit_width, spit_width + 1):
+ c = spit_x + dc
+ if 0 <= c < w:
+ elevation[r, c] = 3.0 * (1 - abs(dc) / spit_width)
+
+ # ์ํธ (์ฌ์ทจ ์์ชฝ)
+ if stage > 0.5:
+ for r in range(spit_start, spit_start + int(spit_length * 0.8)):
+ curve = int((r - spit_start) / spit_length * (w * 0.1))
+ for c in range(sea_line - 5, sea_line + curve):
+ if 0 <= c < w:
+ if elevation[r, c] < 3.0:
+ elevation[r, c] = -2.0 # ์์ ์ํธ
+
+ return elevation
+
+
+# ============================================
+# ์ถ๊ฐ ์งํ (Additional Landforms)
+# ============================================
+
+def create_fjord(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """ํผ์ค๋ฅด๋ (Fjord) - ๋นํ๊ฐ ํ๋ธ U์๊ณก์ ๋ฐ๋ค ์ ์
"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฐ์
์งํ
+ elevation[:, :] = 80.0
+
+ center = w // 2
+ valley_width = int(w * 0.2)
+
+ # U์๊ณก + ๋ฐ๋ค ์ ์
+ sea_line = int(h * 0.7)
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - center)
+
+ if dx < valley_width:
+ # U์ ๋ฐ๋ฅ
+ if r < sea_line:
+ elevation[r, c] = 10.0 # ์ก์ง ๋ฐ๋ฅ
+ else:
+ elevation[r, c] = -30.0 * stage # ๋ฐ๋ค
+ elif dx < valley_width + 10:
+ # U์ ์ธก๋ฒฝ
+ t = (dx - valley_width) / 10
+ base = -30.0 if r >= sea_line else 10.0
+ elevation[r, c] = base + 70.0 * t
+
+ return elevation
+
+
+def create_drumlin(grid_size: int = 100, stage: float = 1.0,
+ num_drumlins: int = 5) -> np.ndarray:
+ """๋๋ผ๋ฆฐ (Drumlin) - ๋นํ ๋ฐฉํฅ ํ์ํ ์ธ๋"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ elevation[:, :] = 5.0 # ๋นํ ํด์ ํ์
+
+ for i in range(num_drumlins):
+ # ๋๋ผ๋ฆฐ ์์น (๋นํ ํ๋ฆ ๋ฐฉํฅ์ผ๋ก ์ ๋ ฌ)
+ cy = int(h * 0.2 + (i % 3) * h * 0.25)
+ cx = int(w * 0.2 + (i // 3) * w * 0.3)
+
+ # ํ์ํ (๋นํ ๋ฐฉํฅ์ผ๋ก ๊ธธ์ญ)
+ length = int(w * 0.15 * stage)
+ width = int(w * 0.06 * stage)
+ height = 15.0 * stage
+
+ for r in range(h):
+ for c in range(w):
+ dy = (r - cy) / max(length, 1)
+ dx = (c - cx) / max(width, 1)
+ dist = np.sqrt(dy**2 + dx**2)
+
+ if dist < 1.0:
+ # ๋พฐ์กฑํ ๋นํ ์๋ฅ, ์๋งํ ํ๋ฅ
+ asymmetry = 1.0 if dy < 0 else 0.7
+ z = height * (1 - dist) * asymmetry
+ elevation[r, c] = max(elevation[r, c], 5.0 + z)
+
+ return elevation
+
+
+def create_moraine(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """๋นํด์ (Moraine) - ์ธกํด์, ์ข
ํด์"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋นํ ๊ณ๊ณก ๋ฐฐ๊ฒฝ
+ elevation[:, :] = 20.0
+ center = w // 2
+
+ # ๋นํ ๋ณธ์ฒด (๊ณผ๊ฑฐ)
+ glacier_width = int(w * 0.3)
+ for r in range(h):
+ for c in range(w):
+ if abs(c - center) < glacier_width:
+ elevation[r, c] = 5.0 # ๋นํ ๋ฐ๋ฅ
+
+ # ์ธกํด์ (Lateral Moraine)
+ moraine_height = 15.0 * stage
+ for r in range(h):
+ for side in [-1, 1]:
+ moraine_c = center + side * glacier_width
+ for dc in range(-5, 6):
+ c = moraine_c + dc
+ if 0 <= c < w:
+ z = moraine_height * (1 - abs(dc) / 6)
+ elevation[r, c] = max(elevation[r, c], z)
+
+ # ์ข
ํด์ (Terminal Moraine)
+ terminal_r = int(h * 0.8)
+ for r in range(terminal_r - 5, min(h, terminal_r + 5)):
+ for c in range(center - glacier_width, center + glacier_width):
+ if 0 <= c < w:
+ dr = abs(r - terminal_r)
+ z = moraine_height * 1.2 * (1 - dr / 6)
+ elevation[r, c] = max(elevation[r, c], z)
+
+ return elevation
+
+
+def create_braided_river(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """๋ง์ํ์ฒ (Braided River) - ์ฌ๋ฌ ์๋ก"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋์ ํ์
+ elevation[:, :] = 10.0
+
+ center = w // 2
+ river_width = int(w * 0.5)
+
+ # ๋๊ณ ์์ ํ์
+ for c in range(center - river_width // 2, center + river_width // 2):
+ if 0 <= c < w:
+ elevation[:, c] = 5.0
+
+ # ์ฌ๋ฌ ์๋ก์ ์ฌ์ฃผ (๋ชจ๋์ฌ)
+ num_channels = int(3 + 4 * stage)
+ np.random.seed(42)
+
+ for r in range(h):
+ # ํ์ฌ ํ์ ์๋ก ์์น
+ for i in range(num_channels):
+ channel_x = center - river_width // 3 + int((i / num_channels) * river_width * 0.7)
+ channel_x += int(10 * np.sin(r / 10 + i)) # ์ฝ๊ฐ ์ฌํ
+
+ for dc in range(-2, 3):
+ c = channel_x + dc
+ if 0 <= c < w:
+ elevation[r, c] = 3.0
+
+ # ์ฌ์ฃผ (๋ชจ๋์ฌ)
+ for i in range(int(5 * stage)):
+ bar_r = int(h * 0.2 + i * h * 0.15)
+ bar_c = center + int((i - 2) * w * 0.1)
+
+ for dr in range(-5, 6):
+ for dc in range(-8, 9):
+ r, c = bar_r + dr, bar_c + dc
+ if 0 <= r < h and 0 <= c < w:
+ dist = np.sqrt((dr/5)**2 + (dc/8)**2)
+ if dist < 1.0:
+ elevation[r, c] = max(elevation[r, c], 6.0 * (1 - dist))
+
+ return elevation
+
+
+def create_waterfall(grid_size: int = 100, stage: float = 1.0,
+ drop_height: float = 50.0) -> np.ndarray:
+ """ํญํฌ (Waterfall) - ์ฐจ๋ณ์นจ์"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = w // 2
+ fall_r = int(h * 0.4)
+
+ # ์๋ฅ (๋์ ๊ฒฝ์์ธต)
+ for r in range(fall_r):
+ for c in range(w):
+ elevation[r, c] = drop_height + 20.0 + (fall_r - r) * 0.5
+
+ # ํญํฌ (๊ธ๊ฒฝ์ฌ)
+ for r in range(fall_r, fall_r + 5):
+ for c in range(w):
+ t = (r - fall_r) / 5
+ elevation[r, c] = drop_height * (1 - t) + 20.0
+
+ # ํ๋ฅ
+ for r in range(fall_r + 5, h):
+ for c in range(w):
+ elevation[r, c] = 20.0 - (r - fall_r - 5) * 0.2
+
+ # ํ์ฒ ์๋ก
+ for r in range(h):
+ for dc in range(-4, 5):
+ c = center + dc
+ if 0 <= c < w:
+ elevation[r, c] -= 5.0
+
+ # ํ๋ฐ์งํ (ํญํธ)
+ pool_r = fall_r + 5
+ for dr in range(-5, 6):
+ for dc in range(-6, 7):
+ r, c = pool_r + dr, center + dc
+ if 0 <= r < h and 0 <= c < w:
+ dist = np.sqrt(dr**2 + dc**2)
+ if dist < 6:
+ elevation[r, c] = min(elevation[r, c], 10.0)
+
+ return elevation
+
+
+def create_karst_doline(grid_size: int = 100, stage: float = 1.0,
+ num_dolines: int = 5) -> np.ndarray:
+ """๋๋ฆฌ๋ค (Doline/Sinkhole) - ์นด๋ฅด์คํธ ์งํ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ํ์ ๋์ง
+ elevation[:, :] = 30.0
+
+ np.random.seed(42)
+ for i in range(num_dolines):
+ dy = int(h * 0.2 + np.random.rand() * h * 0.6)
+ dx = int(w * 0.2 + np.random.rand() * w * 0.6)
+ radius = int(w * 0.08 * (0.5 + np.random.rand() * 0.5))
+ depth = 20.0 * stage * (0.5 + np.random.rand() * 0.5)
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - dy)**2 + (c - dx)**2)
+ if dist < radius:
+ z = depth * (1 - (dist / radius) ** 2)
+ elevation[r, c] = max(0, elevation[r, c] - z)
+
+ return elevation
+
+
+def create_ria_coast(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """๋ฆฌ์์ค์ ํด์ (Ria Coast) - ์นจ์๋ ํ๊ณก"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ์ฐ์ง ๋ฐฐ๊ฒฝ
+ elevation[:, :] = 40.0
+
+ # ์ฌ๋ฌ ๊ฐ์ V์๊ณก (์นจ์๋จ)
+ num_valleys = 4
+ sea_level = int(h * 0.6)
+
+ for i in range(num_valleys):
+ valley_x = int(w * 0.15 + i * w * 0.2)
+
+ for r in range(h):
+ for c in range(w):
+ dx = abs(c - valley_x)
+
+ if dx < 8:
+ # V์๊ณก
+ depth = 30.0 * (1 - dx / 8)
+ elevation[r, c] -= depth
+
+ # ํด์๋ฉด ์ดํ = ๋ฐ๋ค
+ for r in range(sea_level, h):
+ for c in range(w):
+ if elevation[r, c] < 10:
+ elevation[r, c] = -5.0 * stage # ์นจ์
+
+ return elevation
+
+
+def create_tombolo(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """์ก๊ณ์ฌ์ฃผ (Tombolo) - ์ก์ง์ ์ฌ์ ์ฐ๊ฒฐ"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐ๋ค
+ elevation[:, :] = -5.0
+
+ # ๋ณธํ (์ผ์ชฝ)
+ for c in range(int(w * 0.3)):
+ elevation[:, c] = 15.0
+
+ # ์ฌ (์ค๋ฅธ์ชฝ)
+ island_cy = h // 2
+ island_cx = int(w * 0.75)
+ island_radius = int(w * 0.12)
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - island_cy)**2 + (c - island_cx)**2)
+ if dist < island_radius:
+ elevation[r, c] = 20.0 * (1 - dist / island_radius / 1.5)
+
+ # ์ก๊ณ์ฌ์ฃผ (์ฐ๊ฒฐ)
+ tombolo_start = int(w * 0.3)
+ tombolo_end = island_cx - island_radius
+
+ for c in range(tombolo_start, tombolo_end):
+ t = (c - tombolo_start) / (tombolo_end - tombolo_start)
+ width = int(5 * (1 - abs(t - 0.5) * 2) * stage)
+
+ for dr in range(-width, width + 1):
+ r = island_cy + dr
+ if 0 <= r < h:
+ elevation[r, c] = 3.0 * (1 - abs(dr) / max(width, 1))
+
+ return elevation
+
+
+def create_sea_arch(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """ํด์์์น (Sea Arch) - ๋๊ตด์ด ๊ดํต"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐ๋ค (์๋)
+ sea_line = int(h * 0.5)
+ elevation[sea_line:, :] = -5.0
+
+ # ์ก์ง ์ ๋ฒฝ
+ cliff_height = 30.0
+ for r in range(sea_line):
+ elevation[r, :] = cliff_height
+
+ # ๋์ถ๋ถ (๊ณถ)
+ headland_width = int(w * 0.3)
+ headland_cx = w // 2
+ headland_length = int(h * 0.3)
+
+ for r in range(sea_line, sea_line + headland_length):
+ for c in range(headland_cx - headland_width // 2, headland_cx + headland_width // 2):
+ if 0 <= c < w:
+ elevation[r, c] = cliff_height * (1 - (r - sea_line) / headland_length * 0.3)
+
+ # ์์น (๊ดํต)
+ arch_r = sea_line + int(headland_length * 0.5)
+ arch_width = int(headland_width * 0.4 * stage)
+
+ for dr in range(-5, 6):
+ for dc in range(-arch_width // 2, arch_width // 2 + 1):
+ r, c = arch_r + dr, headland_cx + dc
+ if 0 <= r < h and 0 <= c < w:
+ if abs(dr) < 3: # ์์น ๋์ด
+ elevation[r, c] = -5.0 # ๊ดํต
+
+ return elevation
+
+
+def create_crater_lake(grid_size: int = 100, stage: float = 1.0,
+ rim_height: float = 50.0) -> np.ndarray:
+ """ํ๊ตฌํธ (Crater Lake) - ํ๊ตฌ์ ๋ฌผ์ด ๊ณ ์"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ center = (h // 2, w // 2)
+ outer_radius = int(w * 0.4)
+ crater_radius = int(w * 0.25)
+
+ for r in range(h):
+ for c in range(w):
+ dist = np.sqrt((r - center[0])**2 + (c - center[1])**2)
+
+ if dist > outer_radius:
+ elevation[r, c] = 0
+ elif dist > crater_radius:
+ # ์ธ๋ฅ์ฐ
+ t = (dist - crater_radius) / (outer_radius - crater_radius)
+ elevation[r, c] = rim_height * (1 - t) * stage
+ else:
+ # ํธ์ (๋ฌผ)
+ elevation[r, c] = -10.0 * stage
+
+ return elevation
+
+
+def create_lava_plateau(grid_size: int = 100, stage: float = 1.0) -> np.ndarray:
+ """์ฉ์๋์ง (Lava Plateau) - ํํํ ์ฉ์"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๊ธฐ๋ฐ
+ elevation[:, :] = 5.0
+
+ # ์ฉ์๋์ง ์์ญ
+ plateau_height = 30.0 * stage
+ margin = int(w * 0.15)
+
+ for r in range(margin, h - margin):
+ for c in range(margin, w - margin):
+ # ๊ฑฐ์ ํํํ์ง๋ง ์ฝ๊ฐ์ ๊ตด๊ณก
+ noise = np.sin(r * 0.2) * np.cos(c * 0.2) * 2.0
+ elevation[r, c] = plateau_height + noise
+
+ # ๊ฐ์ฅ์๋ฆฌ ์ ๋ฒฝ
+ for r in range(h):
+ for c in range(w):
+ edge_dist = min(r, h - r - 1, c, w - c - 1)
+ if edge_dist < margin:
+ t = edge_dist / margin
+ elevation[r, c] = 5.0 + (elevation[r, c] - 5.0) * t
+
+ return elevation
+
+
+def create_coastal_dune(grid_size: int = 100, stage: float = 1.0,
+ num_dunes: int = 3) -> np.ndarray:
+ """ํด์์ฌ๊ตฌ (Coastal Dune) - ํด์๊ฐ ๋ชจ๋ ์ธ๋"""
+ h, w = grid_size, grid_size
+ elevation = np.zeros((h, w))
+
+ # ๋ฐ๋ค (์๋)
+ beach_line = int(h * 0.7)
+ elevation[beach_line:, :] = -3.0
+
+ # ํด๋น (ํด๋ณ)
+ for r in range(beach_line - 5, beach_line):
+ elevation[r, :] = 2.0
+
+ # ํด์์ฌ๊ตฌ (ํด๋ณ ๋ค)
+ dune_zone_start = int(h * 0.3)
+ dune_zone_end = beach_line - 5
+
+ for i in range(num_dunes):
+ dune_r = dune_zone_start + i * (dune_zone_end - dune_zone_start) // (num_dunes + 1)
+ dune_height = 15.0 * stage * (1 - i * 0.2)
+
+ for r in range(h):
+ for c in range(w):
+ dr = abs(r - dune_r)
+ if dr < 10:
+ # ์ฌ๊ตฌ ํํ (๋ฐ๋๋ฐ์ด ์๋ง, ๋ฐ๋๊ทธ๋ ๊ธ)
+ if r < dune_r:
+ z = dune_height * (1 - dr / 12)
+ else:
+ z = dune_height * (1 - dr / 8)
+ elevation[r, c] = max(elevation[r, c], z)
+
+ return elevation
+
+
+# ์ ๋๋ฉ์ด์
์์ฑ๊ธฐ ๋งคํ
+ANIMATED_LANDFORM_GENERATORS = {
+ 'delta': create_delta_animated,
+ 'alluvial_fan': create_alluvial_fan_animated,
+ 'meander': create_meander_animated,
+ 'u_valley': create_u_valley_animated,
+ 'v_valley': create_v_valley_animated,
+ 'barchan': create_barchan_animated,
+ 'coastal_cliff': create_coastal_cliff_animated,
+ # ํ์ฅ
+ 'incised_meander': create_incised_meander,
+ 'free_meander': create_free_meander,
+ 'bird_foot_delta': create_bird_foot_delta,
+ 'arcuate_delta': create_arcuate_delta,
+ 'cuspate_delta': create_cuspate_delta,
+ 'cirque': create_cirque,
+ 'horn': create_horn,
+ 'shield_volcano': create_shield_volcano,
+ 'stratovolcano': create_stratovolcano,
+ 'caldera': create_caldera,
+ 'mesa_butte': create_mesa_butte,
+ 'spit_lagoon': create_spit_lagoon,
+ # ์ถ๊ฐ ์งํ
+ 'fjord': create_fjord,
+ 'drumlin': create_drumlin,
+ 'moraine': create_moraine,
+ 'braided_river': create_braided_river,
+ 'waterfall': create_waterfall,
+ 'karst_doline': create_karst_doline,
+ 'ria_coast': create_ria_coast,
+ 'tombolo': create_tombolo,
+ 'sea_arch': create_sea_arch,
+ 'crater_lake': create_crater_lake,
+ 'lava_plateau': create_lava_plateau,
+ 'coastal_dune': create_coastal_dune,
+}
+
+# ์งํ ์์ฑ ํจ์ ๋งคํ
+IDEAL_LANDFORM_GENERATORS = {
+ 'delta': create_delta,
+ 'alluvial_fan': create_alluvial_fan,
+ 'meander': create_meander,
+ 'u_valley': create_u_valley,
+ 'v_valley': create_v_valley,
+ 'barchan': create_barchan_dune,
+ 'coastal_cliff': create_coastal_cliff,
+ # ํ์ฅ ์งํ
+ 'incised_meander': lambda gs: create_incised_meander(gs, 1.0),
+ 'free_meander': lambda gs: create_free_meander(gs, 1.0),
+ 'bird_foot_delta': lambda gs: create_bird_foot_delta(gs, 1.0),
+ 'arcuate_delta': lambda gs: create_arcuate_delta(gs, 1.0),
+ 'cuspate_delta': lambda gs: create_cuspate_delta(gs, 1.0),
+ 'cirque': lambda gs: create_cirque(gs, 1.0),
+ 'horn': lambda gs: create_horn(gs, 1.0),
+ 'shield_volcano': lambda gs: create_shield_volcano(gs, 1.0),
+ 'stratovolcano': lambda gs: create_stratovolcano(gs, 1.0),
+ 'caldera': lambda gs: create_caldera(gs, 1.0),
+ 'mesa_butte': lambda gs: create_mesa_butte(gs, 1.0),
+ 'spit_lagoon': lambda gs: create_spit_lagoon(gs, 1.0),
+ # ์ถ๊ฐ ์งํ
+ 'fjord': lambda gs: create_fjord(gs, 1.0),
+ 'drumlin': lambda gs: create_drumlin(gs, 1.0),
+ 'moraine': lambda gs: create_moraine(gs, 1.0),
+ 'braided_river': lambda gs: create_braided_river(gs, 1.0),
+ 'waterfall': lambda gs: create_waterfall(gs, 1.0),
+ 'karst_doline': lambda gs: create_karst_doline(gs, 1.0),
+ 'ria_coast': lambda gs: create_ria_coast(gs, 1.0),
+ 'tombolo': lambda gs: create_tombolo(gs, 1.0),
+ 'sea_arch': lambda gs: create_sea_arch(gs, 1.0),
+ 'crater_lake': lambda gs: create_crater_lake(gs, 1.0),
+ 'lava_plateau': lambda gs: create_lava_plateau(gs, 1.0),
+ 'coastal_dune': lambda gs: create_coastal_dune(gs, 1.0),
+}
+
diff --git a/engine/lateral_erosion.py b/engine/lateral_erosion.py
new file mode 100644
index 0000000000000000000000000000000000000000..0377c96a5d7a39d33178c217829811b9d0130d95
--- /dev/null
+++ b/engine/lateral_erosion.py
@@ -0,0 +1,199 @@
+"""
+Lateral Erosion Module (์ธก๋ฐฉ ์นจ์)
+
+ํ์ฒ์ ๊ณก๋ฅ(Meander) ํ์ฑ์ ์ํ ์ธก๋ฐฉ ์นจ์ ํ๋ก์ธ์ค
+- ๊ณก๋ฅ ์ธ์ธก: ์นจ์ (Cutbank)
+- ๊ณก๋ฅ ๋ด์ธก: ํด์ (Point Bar)
+
+ํต์ฌ ๊ณต์:
+E_lateral = k * ฯ * (1/R)
+- k: ์นจ์ ๊ณ์
+- ฯ: ์ ๋จ์๋ ฅ (์ ๋ ํจ์)
+- R: ๊ณก๋ฅ ๋ฐ๊ฒฝ (์์์๋ก ๊ธํ์ โ ์นจ์ ์ฆ๊ฐ)
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+def compute_flow_curvature(flow_dir: np.ndarray, elevation: np.ndarray) -> np.ndarray:
+ """
+ ์ ํฅ(Flow Direction)์ผ๋ก๋ถํฐ ๊ณก๋ฅ (Curvature) ๊ณ์ฐ
+
+ Args:
+ flow_dir: D8 ์ ํฅ ๋ฐฐ์ด (0-7, -1 = sink)
+ elevation: ๊ณ ๋ ๋ฐฐ์ด
+
+ Returns:
+ curvature: ๊ณก๋ฅ ๋ฐฐ์ด (์์: ์ขํ์ , ์์: ์ฐํ์ )
+ """
+ h, w = flow_dir.shape
+ curvature = np.zeros((h, w), dtype=np.float64)
+
+ # D8 ๋ฐฉํฅ ๋ฒกํฐ (index 0-7)
+ # 0: NW, 1: N, 2: NE, 3: W, 4: E, 5: SW, 6: S, 7: SE
+ dir_dy = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dir_dx = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+
+ # ๋ฐฉํฅ์ ๊ฐ๋๋ก ๋ณํ (๋ผ๋์)
+ # atan2(dy, dx)
+ dir_angles = np.arctan2(dir_dy, dir_dx)
+
+ for r in range(1, h - 1):
+ for c in range(1, w - 1):
+ current_dir = int(flow_dir[r, c])
+ if current_dir < 0 or current_dir > 7:
+ continue
+
+ # ์๋ฅ ๋ฐฉํฅ ์ฐพ๊ธฐ (๋๋ฅผ ํฅํด ํ๋ฅด๋ ์
)
+ upstream_dirs = []
+ for k in range(8):
+ nr = r + dir_dy[k]
+ nc = c + dir_dx[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ neighbor_dir = int(flow_dir[nr, nc])
+ if neighbor_dir >= 0 and neighbor_dir < 8:
+ # ์ด์์ด ๋๋ฅผ ํฅํด ํ๋ฅด๋๊ฐ?
+ target_r = nr + dir_dy[neighbor_dir]
+ target_c = nc + dir_dx[neighbor_dir]
+ if target_r == r and target_c == c:
+ upstream_dirs.append(neighbor_dir)
+
+ if not upstream_dirs:
+ continue
+
+ # ์๋ฅ ๋ฐฉํฅ์ ํ๊ท ๊ฐ๋
+ upstream_angle = np.mean([dir_angles[d] for d in upstream_dirs])
+ current_angle = dir_angles[current_dir]
+
+ # ๊ฐ๋ ๋ณํ = ๊ณก๋ฅ (์ ๊ทํ๋ ๊ฐ)
+ angle_diff = current_angle - upstream_angle
+
+ # -ฯ ~ ฯ ๋ฒ์๋ก ์ ๊ทํ
+ while angle_diff > np.pi:
+ angle_diff -= 2 * np.pi
+ while angle_diff < -np.pi:
+ angle_diff += 2 * np.pi
+
+ curvature[r, c] = angle_diff
+
+ return curvature
+
+
+def apply_lateral_erosion(grid: WorldGrid,
+ curvature: np.ndarray,
+ discharge: np.ndarray,
+ k: float = 0.01,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ์ธก๋ฐฉ ์นจ์ ์ ์ฉ
+
+ Args:
+ grid: WorldGrid ๊ฐ์ฒด
+ curvature: ๊ณก๋ฅ ๋ฐฐ์ด (์์: ์ขํ์ , ์์: ์ฐํ์ )
+ discharge: ์ ๋ ๋ฐฐ์ด
+ k: ์นจ์ ๊ณ์
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ change: ์งํ ๋ณํ๋ ๋ฐฐ์ด
+ """
+ h, w = grid.height, grid.width
+ change = np.zeros((h, w), dtype=np.float64)
+
+ # D8 ๋ฐฉํฅ ๋ฒกํฐ
+ dir_dy = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dir_dx = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+
+ # ์ข/์ฐ์ธก ๋ฐฉํฅ (์๋์ )
+ # ํ์ฌ ๋ฐฉํฅ์ด k์ผ ๋, ์ข์ธก์ (k-2)%8, ์ฐ์ธก์ (k+2)%8 (๋๋ต์ ๊ทผ์ฌ)
+
+ for r in range(1, h - 1):
+ for c in range(1, w - 1):
+ curv = curvature[r, c]
+ Q = discharge[r, c]
+
+ if abs(curv) < 0.01 or Q < 1.0:
+ continue
+
+ # ์นจ์๋ = k * sqrt(Q) * |curvature| * dt
+ erosion_amount = k * np.sqrt(Q) * abs(curv) * dt
+
+ # ํ์ฌ ์ ํฅ
+ flow_k = int(grid.flow_dir[r, c])
+ if flow_k < 0 or flow_k > 7:
+ continue
+
+ # ์ข/์ฐ์ธก ์
๊ฒฐ์
+ if curv > 0: # ์ขํ์ โ ์ฐ์ธก(์ธ์ธก) ์นจ์, ์ข์ธก(๋ด์ธก) ํด์
+ erode_k = (flow_k + 2) % 8 # ์ฐ์ธก
+ deposit_k = (flow_k - 2 + 8) % 8 # ์ข์ธก
+ else: # ์ฐํ์ โ ์ข์ธก(์ธ์ธก) ์นจ์, ์ฐ์ธก(๋ด์ธก) ํด์
+ erode_k = (flow_k - 2 + 8) % 8 # ์ข์ธก
+ deposit_k = (flow_k + 2) % 8 # ์ฐ์ธก
+
+ # ์นจ์ ์
+ er = r + dir_dy[erode_k]
+ ec = c + dir_dx[erode_k]
+
+ # ํด์ ์
+ dr = r + dir_dy[deposit_k]
+ dc = c + dir_dx[deposit_k]
+
+ # ๊ฒฝ๊ณ ์ฒดํฌ
+ if 0 <= er < h and 0 <= ec < w:
+ change[er, ec] -= erosion_amount
+
+ if 0 <= dr < h and 0 <= dc < w:
+ change[dr, dc] += erosion_amount * 0.8 # ์ผ๋ถ ์์ค
+
+ return change
+
+
+class LateralErosionKernel:
+ """
+ ์ธก๋ฐฉ ์นจ์ ์ปค๋
+
+ EarthSystem์ ํตํฉํ์ฌ ์ฌ์ฉ
+ """
+
+ def __init__(self, grid: WorldGrid, k: float = 0.01):
+ self.grid = grid
+ self.k = k
+
+ def step(self, discharge: np.ndarray, dt: float = 1.0) -> np.ndarray:
+ """
+ 1๋จ๊ณ ์ธก๋ฐฉ ์นจ์ ์คํ
+
+ Args:
+ discharge: ์ ๋ ๋ฐฐ์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ change: ์งํ ๋ณํ๋
+ """
+ # 1. ๊ณก๋ฅ ๊ณ์ฐ
+ curvature = compute_flow_curvature(self.grid.flow_dir, self.grid.elevation)
+
+ # 2. ์ธก๋ฐฉ ์นจ์ ์ ์ฉ
+ change = apply_lateral_erosion(self.grid, curvature, discharge, self.k, dt)
+
+ # 3. ์งํ ์
๋ฐ์ดํธ
+ # ์นจ์๋ถ: bedrock/sediment์์ ์ ๊ฑฐ
+ erosion_mask = change < 0
+ erosion_amount = -change[erosion_mask]
+
+ # ํด์ ์ธต ๋จผ์ , ๋ถ์กฑํ๋ฉด ๊ธฐ๋ฐ์
+ sed_loss = np.minimum(erosion_amount, self.grid.sediment[erosion_mask])
+ rock_loss = erosion_amount - sed_loss
+
+ self.grid.sediment[erosion_mask] -= sed_loss
+ self.grid.bedrock[erosion_mask] -= rock_loss
+
+ # ํด์ ๋ถ: sediment์ ์ถ๊ฐ
+ self.grid.sediment += np.maximum(change, 0)
+
+ # ๊ณ ๋ ๋๊ธฐํ
+ self.grid.update_elevation()
+
+ return change
diff --git a/engine/mass_movement.py b/engine/mass_movement.py
new file mode 100644
index 0000000000000000000000000000000000000000..bf4dc3929de92c5480cad4c96070c2f570bc7ba4
--- /dev/null
+++ b/engine/mass_movement.py
@@ -0,0 +1,146 @@
+"""
+Mass Movement Kernel (๋งค์ค๋ฌด๋ธ๋จผํธ)
+
+์ค๋ ฅ์ ์ํ ์ฌ๋ฉด ์ด๋ ํ๋ก์ธ์ค
+- ์ฐ์ฌํ (Landslide)
+- ์ฌ๋ผํ (Slump)
+- ๋์ (Rockfall)
+
+ํต์ฌ ์๋ฆฌ:
+๊ฒฝ์ฌ(Slope) > ์๊ณ ๊ฒฝ์ฌ(Critical Angle) โ ๋ฌผ์ง ์ด๋
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+class MassMovementKernel:
+ """
+ ๋งค์ค๋ฌด๋ธ๋จผํธ ์ปค๋
+
+ ๊ฒฝ์ฌ ์์ ์ฑ์ ๊ฒ์ฌํ๊ณ , ๋ถ์์ ํ ๊ณณ์์ ๋ฌผ์ง ์ด๋์ ์๋ฎฌ๋ ์ด์
.
+ """
+
+ def __init__(self, grid: WorldGrid,
+ friction_angle: float = 35.0, # ๋ด๋ถ ๋ง์ฐฐ๊ฐ (๋)
+ cohesion: float = 0.0): # ์ ์ฐฉ๋ ฅ (Pa, ๊ฐ์ํ)
+ self.grid = grid
+ self.friction_angle = friction_angle
+ self.cohesion = cohesion
+
+ # ์๊ณ ๊ฒฝ์ฌ (ํ์ ํธ ๊ฐ)
+ self.critical_slope = np.tan(np.radians(friction_angle))
+
+ def check_stability(self) -> np.ndarray:
+ """
+ ๊ฒฝ์ฌ ์์ ์ฑ ๊ฒ์ฌ
+
+ Returns:
+ unstable_mask: ๋ถ์์ ํ ์
๋ง์คํฌ (True = ๋ถ์์ )
+ """
+ slope, _ = self.grid.get_gradient()
+
+ # ๊ฒฝ์ฌ > ์๊ณ ๊ฒฝ์ฌ โ ๋ถ์์
+ unstable = slope > self.critical_slope
+
+ return unstable
+
+ def trigger_landslide(self, unstable_mask: np.ndarray,
+ efficiency: float = 0.5) -> np.ndarray:
+ """
+ ์ฐ์ฌํ ๋ฐ์
+
+ ๋ถ์์ ํ ์
์์ ๋ฌผ์ง์ ๋ฎ์ ๊ณณ์ผ๋ก ์ด๋.
+
+ Args:
+ unstable_mask: ๋ถ์์ ๋ง์คํฌ
+ efficiency: ์ด๋ ํจ์จ (0.0~1.0, 1.0์ด๋ฉด ์์ ์ด๋)
+
+ Returns:
+ change: ์งํ ๋ณํ๋
+ """
+ h, w = self.grid.height, self.grid.width
+ change = np.zeros((h, w), dtype=np.float64)
+
+ if not np.any(unstable_mask):
+ return change
+
+ # D8 ๋ฐฉํฅ
+ dr = np.array([-1, -1, -1, 0, 0, 1, 1, 1])
+ dc = np.array([-1, 0, 1, -1, 1, -1, 0, 1])
+
+ elev = self.grid.elevation
+ slope, _ = self.grid.get_gradient()
+
+ # ๋ถ์์ ์
์ขํ
+ unstable_coords = np.argwhere(unstable_mask)
+
+ for r, c in unstable_coords:
+ # ํ์ฌ ๊ฒฝ์ฌ ์ด๊ณผ๋ถ ๊ณ์ฐ
+ excess_slope = slope[r, c] - self.critical_slope
+ if excess_slope <= 0:
+ continue
+
+ # ์ด๋๋ = ์ด๊ณผ ๊ฒฝ์ฌ์ ๋น๋ก
+ # ํด์ ์ธต ๋จผ์ ์ด๋, ๋ถ์กฑํ๋ฉด ๊ธฐ๋ฐ์
+ available = self.grid.sediment[r, c] + self.grid.bedrock[r, c] * 0.1
+ move_amount = min(excess_slope * efficiency * 5.0, available)
+
+ if move_amount <= 0:
+ continue
+
+ # ๊ฐ์ฅ ๋ฎ์ ์ด์ ์ฐพ๊ธฐ
+ min_z = elev[r, c]
+ target = None
+
+ for k in range(8):
+ nr, nc = r + dr[k], c + dc[k]
+ if 0 <= nr < h and 0 <= nc < w:
+ if elev[nr, nc] < min_z:
+ min_z = elev[nr, nc]
+ target = (nr, nc)
+
+ if target is None:
+ continue
+
+ tr, tc = target
+
+ # ๋ฌผ์ง ์ด๋
+ change[r, c] -= move_amount
+ change[tr, tc] += move_amount * 0.9 # ์ผ๋ถ ์์ค (๋ถ์ฐ)
+
+ # ์งํ ์
๋ฐ์ดํธ
+ # ์์ค๋ถ: sediment์์ ์ ๊ฑฐ
+ loss_mask = change < 0
+ loss = -change[loss_mask]
+
+ sed_loss = np.minimum(loss, self.grid.sediment[loss_mask])
+ rock_loss = loss - sed_loss
+
+ self.grid.sediment[loss_mask] -= sed_loss
+ self.grid.bedrock[loss_mask] -= rock_loss
+
+ # ํด์ ๋ถ: sediment์ ์ถ๊ฐ
+ self.grid.sediment += np.maximum(change, 0)
+
+ self.grid.update_elevation()
+
+ return change
+
+ def step(self, dt: float = 1.0) -> np.ndarray:
+ """
+ 1๋จ๊ณ ๋งค์ค๋ฌด๋ธ๋จผํธ ์คํ
+
+ Args:
+ dt: ์๊ฐ ๊ฐ๊ฒฉ (์ฌ์ฉํ์ง ์์ง๋ง ์ธํฐํ์ด์ค ์ผ๊ด์ฑ)
+
+ Returns:
+ change: ์งํ ๋ณํ๋
+ """
+ # 1. ์์ ์ฑ ๊ฒ์ฌ
+ unstable = self.check_stability()
+
+ # 2. ๋ถ์์ ์ง์ ์์ ์ฐ์ฌํ ๋ฐ์
+ change = self.trigger_landslide(unstable)
+
+ return change
diff --git a/engine/meander_physics.py b/engine/meander_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..b63bd3126f55892b102f0f40d15ef32ad66f002a
--- /dev/null
+++ b/engine/meander_physics.py
@@ -0,0 +1,273 @@
+"""
+Geo-Lab AI: ๊ณก๋ฅ ํ์ฒ ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
+Helical Flow ๊ธฐ๋ฐ ์ธก๋ฐฉ ์นจ์/ํด์
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple
+
+
+@dataclass
+class MeanderChannel:
+ """๊ณก๋ฅ ํ์ฒ ์ฑ๋ ํํ
+
+ 1D ์ค์ฌ์ ๊ธฐ๋ฐ์ผ๋ก ์ฑ๋์ ํํํ๊ณ ,
+ ๊ฐ ์ง์ ์์์ ๊ณก๋ฅ , ํญ, ๊น์ด๋ฅผ ์ถ์
+ """
+
+ # ์ฑ๋ ์ค์ฌ์ ์ขํ
+ x: np.ndarray = field(default=None)
+ y: np.ndarray = field(default=None)
+
+ # ๊ฐ ์ง์ ์ ์์ฑ
+ width: np.ndarray = field(default=None) # ์ฑ๋ ํญ (m)
+ depth: np.ndarray = field(default=None) # ์ฑ๋ ๊น์ด (m)
+
+ # ์ ๋ ๋ฐ ์ ์
+ discharge: float = 100.0 # mยณ/s
+ velocity: np.ndarray = field(default=None) # m/s
+
+ def __post_init__(self):
+ if self.x is not None and self.width is None:
+ n = len(self.x)
+ self.width = np.full(n, 20.0)
+ self.depth = np.full(n, 3.0)
+ self.velocity = np.full(n, 1.5)
+
+ @classmethod
+ def create_initial(cls, length: float = 1000.0,
+ initial_sinuosity: float = 1.2,
+ n_points: int = 200,
+ discharge: float = 100.0):
+ """์ด๊ธฐ ๊ณก๋ฅ ํ์ฒ ์์ฑ"""
+ s = np.linspace(0, 1, n_points) # ์ ๊ทํ๋ ๊ฑฐ๋ฆฌ
+
+ # ์ฌ์ธํ ๊ธฐ๋ฐ ์ด๊ธฐ ๊ณก๋ฅ
+ amplitude = length * 0.1 * (initial_sinuosity - 1)
+ frequency = 3 # ๊ตฝ์ด ์
+
+ x = s * length
+ y = amplitude * np.sin(2 * np.pi * frequency * s)
+
+ return cls(x=x, y=y, discharge=discharge)
+
+ def calculate_curvature(self) -> np.ndarray:
+ """๊ณก๋ฅ ๊ณ์ฐ (1/m)
+ ฮบ = (x'y'' - y'x'') / (x'^2 + y'^2)^(3/2)
+ """
+ dx = np.gradient(self.x)
+ dy = np.gradient(self.y)
+ ddx = np.gradient(dx)
+ ddy = np.gradient(dy)
+
+ denominator = np.power(dx**2 + dy**2, 1.5) + 1e-10
+ curvature = (dx * ddy - dy * ddx) / denominator
+
+ return curvature
+
+ def calculate_sinuosity(self) -> float:
+ """๊ตด๊ณก๋ = ํ์ฒ ๊ธธ์ด / ์ง์ ๊ฑฐ๋ฆฌ"""
+ # ๊ฒฝ๋ก ๊ธธ์ด
+ ds = np.sqrt(np.diff(self.x)**2 + np.diff(self.y)**2)
+ path_length = np.sum(ds)
+
+ # ์ง์ ๊ฑฐ๋ฆฌ
+ straight_length = np.sqrt(
+ (self.x[-1] - self.x[0])**2 +
+ (self.y[-1] - self.y[0])**2
+ ) + 1e-10
+
+ return path_length / straight_length
+
+
+class HelicalFlowErosion:
+ """Helical Flow ๊ธฐ๋ฐ ๊ณก๋ฅ ์นจ์/ํด์
+
+ ๊ณก๋ฅ์์ ๋ฌผ์ ๋์ ํ(helical)์ผ๋ก ํ๋ฆ:
+ - ํ๋ฉด: ๋ฐ๊นฅ์ชฝ์ผ๋ก (์์ฌ๋ ฅ)
+ - ๋ฐ๋ฅ: ์์ชฝ์ผ๋ก (์๋ ฅ ๊ตฌ๋ฐฐ)
+
+ ๊ฒฐ๊ณผ:
+ - ๋ฐ๊นฅ์ชฝ (๊ณต๊ฒฉ์ฌ๋ฉด): ์นจ์
+ - ์์ชฝ (ํด์ ์ฌ๋ฉด): ํด์
+ """
+
+ def __init__(self,
+ bank_erosion_rate: float = 0.5, # m/yr per unit stress
+ deposition_rate: float = 0.3):
+ self.bank_erosion_rate = bank_erosion_rate
+ self.deposition_rate = deposition_rate
+
+ def calculate_bank_migration(self, channel: MeanderChannel,
+ dt: float = 1.0) -> Tuple[np.ndarray, np.ndarray]:
+ """ํ์ ์ด๋ ๊ณ์ฐ
+
+ ๊ณก๋ฅ ์ด ํฐ ๊ณณ์์ ๋ฐ๊นฅ์ชฝ์ผ๋ก ์นจ์ โ ์ฑ๋ ์ด๋
+ """
+ curvature = channel.calculate_curvature()
+
+ # ์นจ์/ํด์ ๋น๋์นญ
+ # ๊ณก๋ฅ > 0: ์ข์ธก์ด ๋ฐ๊นฅ (์นจ์)
+ # ๊ณก๋ฅ < 0: ์ฐ์ธก์ด ๋ฐ๊นฅ (์นจ์)
+
+ # ์ด๋ ๋ฒกํฐ (์ฑ๋์ ์์ง)
+ dx = np.gradient(channel.x)
+ dy = np.gradient(channel.y)
+ path_length = np.sqrt(dx**2 + dy**2) + 1e-10
+
+ # ์์ง ๋ฐฉํฅ (์ผ์ชฝ์ผ๋ก 90๋ ํ์ )
+ normal_x = -dy / path_length
+ normal_y = dx / path_length
+
+ # ์ด๋๋ = ๊ณก๋ฅ ร ์ ๋ ร erosion rate
+ migration_rate = curvature * channel.discharge * self.bank_erosion_rate * dt
+
+ # ์ด๋๋ ์ ํ
+ migration_rate = np.clip(migration_rate, -2.0, 2.0)
+
+ delta_x = migration_rate * normal_x
+ delta_y = migration_rate * normal_y
+
+ return delta_x, delta_y
+
+ def check_cutoff(self, channel: MeanderChannel,
+ threshold_distance: float = 30.0) -> List[Tuple[int, int]]:
+ """์ฐ๊ฐํธ ํ์ฑ ์กฐ๊ฑด ์ฒดํฌ (์ ๋ก ์ ๋จ)"""
+ n = len(channel.x)
+ cutoffs = []
+
+ # ๊ฐ๊น์ด ๋ ์ ์ฐพ๊ธฐ (๊ฒฝ๋ก์ ๋ฉ๋ฆฌ ๋จ์ด์ก์ง๋ง ๊ณต๊ฐ์ ์ผ๋ก ๊ฐ๊น์ด)
+ for i in range(n):
+ for j in range(i + 30, n): # ์ต์ 30์ ๊ฐ๊ฒฉ
+ dist = np.sqrt(
+ (channel.x[i] - channel.x[j])**2 +
+ (channel.y[i] - channel.y[j])**2
+ )
+
+ if dist < threshold_distance:
+ cutoffs.append((i, j))
+ break # ์ฒซ ๋ฒ์งธ cutoff๋ง
+
+ return cutoffs
+
+
+class MeanderSimulation:
+ """๊ณก๋ฅ ํ์ฒ ์๋ฎฌ๋ ์ด์
"""
+
+ def __init__(self, length: float = 1000.0, initial_sinuosity: float = 1.3):
+ self.channel = MeanderChannel.create_initial(
+ length=length,
+ initial_sinuosity=initial_sinuosity
+ )
+ self.erosion = HelicalFlowErosion()
+
+ self.history: List[Tuple[np.ndarray, np.ndarray]] = []
+ self.oxbow_lakes: List[Tuple[np.ndarray, np.ndarray]] = []
+ self.time = 0.0
+
+ def step(self, dt: float = 1.0):
+ """1 ํ์์คํ
"""
+ # 1. ํ์ ์ด๋
+ dx, dy = self.erosion.calculate_bank_migration(self.channel, dt)
+ self.channel.x += dx
+ self.channel.y += dy
+
+ # 2. ์ฐ๊ฐํธ ์ฒดํฌ
+ cutoffs = self.erosion.check_cutoff(self.channel)
+ for start, end in cutoffs:
+ # ์ฐ๊ฐํธ ์ ์ฅ
+ ox = self.channel.x[start:end+1].copy()
+ oy = self.channel.y[start:end+1].copy()
+ self.oxbow_lakes.append((ox, oy))
+
+ # ์ฑ๋ ๋จ์ถ
+ self.channel.x = np.concatenate([
+ self.channel.x[:start+1],
+ self.channel.x[end:]
+ ])
+ self.channel.y = np.concatenate([
+ self.channel.y[:start+1],
+ self.channel.y[end:]
+ ])
+
+ # ์์ฑ ๋ฐฐ์ด๋ ์กฐ์
+ n_new = len(self.channel.x)
+ self.channel.width = np.full(n_new, 20.0)
+ self.channel.depth = np.full(n_new, 3.0)
+ self.channel.velocity = np.full(n_new, 1.5)
+
+ self.time += dt
+
+ def run(self, total_time: float, save_interval: float = 100.0, dt: float = 1.0):
+ """์๋ฎฌ๋ ์ด์
์คํ"""
+ steps = int(total_time / dt)
+ save_every = max(1, int(save_interval / dt))
+
+ self.history = [(self.channel.x.copy(), self.channel.y.copy())]
+
+ for i in range(steps):
+ self.step(dt)
+ if (i + 1) % save_every == 0:
+ self.history.append((self.channel.x.copy(), self.channel.y.copy()))
+
+ return self.history
+
+ def get_cross_section(self, position: float = 0.5) -> Tuple[np.ndarray, np.ndarray]:
+ """๊ณก๋ฅ ๋จ๋ฉด (๋น๋์นญ)
+
+ position: ๊ณก๋ฅ ๋ด ์์น (0=์ง์ ๋ถ, 1=์ต๋ ๊ตฝ์ด)
+ """
+ curvature = self.channel.calculate_curvature()
+ max_curve = np.abs(curvature).max() + 1e-10
+ asymmetry = np.abs(curvature[int(len(curvature) * 0.5)]) / max_curve
+ asymmetry = min(1.0, asymmetry * position * 2)
+
+ # ๋จ๋ฉด ์์ฑ
+ x = np.linspace(-30, 30, 100)
+
+ # ๋น๋์นญ ๊ณก์
+ left_depth = 5 + asymmetry * 3 # ๊ณต๊ฒฉ์ฌ๋ฉด (๊น์)
+ right_depth = 3 - asymmetry * 1 # ํด์ ์ฌ๋ฉด (์์)
+
+ y = np.where(
+ x < 0,
+ -left_depth * (1 - np.power(x / -30, 2)),
+ -right_depth * (1 - np.power(x / 30, 2))
+ )
+
+ return x, y
+
+
+# ํ๋ฆฌ์ปดํจํ
+def precompute_meander(max_time: int = 10000,
+ initial_sinuosity: float = 1.3,
+ save_every: int = 100) -> dict:
+ """๊ณก๋ฅ ์๋ฎฌ๋ ์ด์
ํ๋ฆฌ์ปดํจํ
"""
+ sim = MeanderSimulation(initial_sinuosity=initial_sinuosity)
+
+ history = sim.run(
+ total_time=max_time,
+ save_interval=save_every,
+ dt=1.0
+ )
+
+ return {
+ 'history': history,
+ 'oxbow_lakes': sim.oxbow_lakes,
+ 'final_sinuosity': sim.channel.calculate_sinuosity()
+ }
+
+
+if __name__ == "__main__":
+ print("๊ณก๋ฅ ํ์ฒ ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
ํ
์คํธ")
+ print("=" * 50)
+
+ sim = MeanderSimulation(initial_sinuosity=1.3)
+ print(f"์ด๊ธฐ ๊ตด๊ณก๋: {sim.channel.calculate_sinuosity():.2f}")
+
+ sim.run(5000, save_interval=1000)
+ print(f"5000๋
ํ ๊ตด๊ณก๋: {sim.channel.calculate_sinuosity():.2f}")
+ print(f"ํ์ฑ๋ ์ฐ๊ฐํธ: {len(sim.oxbow_lakes)}๊ฐ")
+
+ print("=" * 50)
+ print("ํ
์คํธ ์๋ฃ!")
diff --git a/engine/physics_engine.py b/engine/physics_engine.py
new file mode 100644
index 0000000000000000000000000000000000000000..d99c0c14c337954e5b31137358995cb8ab8f0d76
--- /dev/null
+++ b/engine/physics_engine.py
@@ -0,0 +1,365 @@
+"""
+Geo-Lab AI: ์ง์ง ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
์์ง
+Stream Power Law ๊ธฐ๋ฐ ์ค์ ์นจ์ ์๋ฎฌ๋ ์ด์
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple, Optional
+from scipy.ndimage import gaussian_filter, uniform_filter
+
+
+@dataclass
+class TerrainGrid:
+ """2D ์งํ ๊ทธ๋ฆฌ๋"""
+ width: int = 100
+ height: int = 100
+ cell_size: float = 10.0 # ๋ฏธํฐ
+
+ elevation: np.ndarray = field(default=None)
+ bedrock: np.ndarray = field(default=None) # ๊ธฐ๋ฐ์ (์นจ์ ๋ถ๊ฐ ๋ ๋ฒจ)
+ rock_hardness: np.ndarray = field(default=None) # 0-1
+
+ def __post_init__(self):
+ if self.elevation is None:
+ self.elevation = np.zeros((self.height, self.width))
+ if self.bedrock is None:
+ self.bedrock = np.full((self.height, self.width), -100.0)
+ if self.rock_hardness is None:
+ self.rock_hardness = np.full((self.height, self.width), 0.5)
+
+ def get_slope(self) -> np.ndarray:
+ """๊ฒฝ์ฌ๋ ๊ณ์ฐ (m/m)"""
+ dy, dx = np.gradient(self.elevation, self.cell_size)
+ return np.sqrt(dx**2 + dy**2)
+
+ def get_slope_direction(self) -> Tuple[np.ndarray, np.ndarray]:
+ """์ต๋ ๊ฒฝ์ฌ ๋ฐฉํฅ (๋จ์ ๋ฒกํฐ)"""
+ dy, dx = np.gradient(self.elevation, self.cell_size)
+ magnitude = np.sqrt(dx**2 + dy**2) + 1e-10
+ return -dx / magnitude, -dy / magnitude
+
+
+@dataclass
+class WaterFlow:
+ """์๋ฌธ ์๋ฎฌ๋ ์ด์
"""
+ terrain: TerrainGrid
+
+ # ์ ๋ (mยณ/s per cell)
+ discharge: np.ndarray = field(default=None)
+ # ์ ์ (m/s)
+ velocity: np.ndarray = field(default=None)
+ # ์์ฌ (m)
+ depth: np.ndarray = field(default=None)
+ # ์ ๋จ์๋ ฅ (Pa)
+ shear_stress: np.ndarray = field(default=None)
+
+ manning_n: float = 0.03 # Manning ์กฐ๋๊ณ์
+
+ def __post_init__(self):
+ shape = (self.terrain.height, self.terrain.width)
+ if self.discharge is None:
+ self.discharge = np.zeros(shape)
+ if self.velocity is None:
+ self.velocity = np.zeros(shape)
+ if self.depth is None:
+ self.depth = np.zeros(shape)
+ if self.shear_stress is None:
+ self.shear_stress = np.zeros(shape)
+
+ def flow_accumulation_d8(self, precipitation: float = 0.001):
+ """D8 ์๊ณ ๋ฆฌ์ฆ ๊ธฐ๋ฐ ์ ๋ ๋์ """
+ h, w = self.terrain.height, self.terrain.width
+ elev = self.terrain.elevation
+
+ # ์ด๊ธฐ ๊ฐ์
+ acc = np.full((h, w), precipitation)
+
+ # ๋์ ๊ณณ์์ ๋ฎ์ ๊ณณ์ผ๋ก ์ ๋ ฌ
+ flat_elev = elev.ravel()
+ sorted_indices = np.argsort(flat_elev)[::-1]
+
+ # D8 ๋ฐฉํฅ (8๋ฐฉํฅ ์ด์)
+ neighbors = [(-1,-1), (-1,0), (-1,1), (0,-1), (0,1), (1,-1), (1,0), (1,1)]
+
+ for idx in sorted_indices:
+ y, x = idx // w, idx % w
+ current_elev = elev[y, x]
+
+ # ๊ฐ์ฅ ๋ฎ์ ์ด์ ์ฐพ๊ธฐ
+ min_elev = current_elev
+ min_neighbor = None
+
+ for dy, dx in neighbors:
+ ny, nx = y + dy, x + dx
+ if 0 <= ny < h and 0 <= nx < w:
+ if elev[ny, nx] < min_elev:
+ min_elev = elev[ny, nx]
+ min_neighbor = (ny, nx)
+
+ # ํ๋ฅ๋ก ์ ๋ ์ ๋ฌ
+ if min_neighbor is not None:
+ acc[min_neighbor] += acc[y, x]
+
+ self.discharge = acc
+ return acc
+
+ def calculate_hydraulics(self):
+ """Manning ๋ฐฉ์ ์ ๊ธฐ๋ฐ ์๋ฆฌํ ๊ณ์ฐ"""
+ slope = self.terrain.get_slope() + 0.0001 # 0 ๋ฐฉ์ง
+
+ # ๊ฐ์ : ์ฑ๋ ํญ = ์ ๋์ ํจ์
+ channel_width = 2 * np.power(self.discharge + 0.01, 0.4)
+
+ # Manning ๋ฐฉ์ ์: V = (1/n) * R^(2/3) * S^(1/2)
+ # ๋จ์ํ: R โ depth
+ # Q = V * A, A = width * depth
+ # depth = (Q * n / (width * S^0.5))^(3/5)
+
+ self.depth = np.power(
+ self.discharge * self.manning_n / (channel_width * np.sqrt(slope) + 0.01),
+ 0.6
+ )
+ self.depth = np.clip(self.depth, 0, 50)
+
+ # ์ ์
+ hydraulic_radius = self.depth # ๋จ์ํ
+ self.velocity = (1 / self.manning_n) * np.power(hydraulic_radius, 2/3) * np.sqrt(slope)
+ self.velocity = np.clip(self.velocity, 0, 10)
+
+ # ์ ๋จ์๋ ฅ ฯ = ฯgRS
+ rho_water = 1000 # kg/mยณ
+ g = 9.81
+ self.shear_stress = rho_water * g * self.depth * slope
+
+
+class StreamPowerErosion:
+ """Stream Power Law ๊ธฐ๋ฐ ์นจ์
+
+ E = K * A^m * S^n
+ - E: ์นจ์๋ฅ (m/yr)
+ - K: ์นจ์ ๊ณ์ (์์ ํน์ฑ ๋ฐ์)
+ - A: ์ ์ญ ๋ฉด์ (โ ์ ๋)
+ - S: ๊ฒฝ์ฌ
+ - m: ๋ฉด์ ์ง์ (typically 0.3-0.6)
+ - n: ๊ฒฝ์ฌ ์ง์ (typically 1.0-2.0)
+ """
+
+ def __init__(self, K: float = 1e-5, m: float = 0.5, n: float = 1.0):
+ self.K = K
+ self.m = m
+ self.n = n
+
+ def calculate_erosion(self, terrain: TerrainGrid, water: WaterFlow, dt: float = 1.0) -> np.ndarray:
+ """์นจ์๋ ๊ณ์ฐ"""
+ slope = terrain.get_slope()
+
+ # Stream Power Law
+ # K๋ ์์ ๊ฒฝ๋์ ๋ฐ๋น๋ก
+ effective_K = self.K * (1 - terrain.rock_hardness * 0.9)
+
+ erosion_rate = effective_K * np.power(water.discharge, self.m) * np.power(slope + 0.001, self.n)
+
+ erosion = erosion_rate * dt
+
+ # ๊ธฐ๋ฐ์ ์ดํ๋ก ์นจ์ ๋ถ๊ฐ
+ max_erosion = terrain.elevation - terrain.bedrock
+ erosion = np.minimum(erosion, np.maximum(max_erosion, 0))
+
+ return np.clip(erosion, 0, 5.0) # ์ฐ๊ฐ ์ต๋ 5m
+
+
+class HillslopeProcess:
+ """์ฌ๋ฉด ํ๋ก์ธ์ค (Mass Wasting)
+
+ V์๊ณก ํ์ฑ์ ํต์ฌ - ํ๋ฐฉ ์นจ์ ํ ์ฌ๋ฉด ๋ถ๊ดด
+ """
+
+ def __init__(self, critical_slope: float = 0.7, diffusion_rate: float = 0.01):
+ self.critical_slope = critical_slope # ์๊ณ ๊ฒฝ์ฌ (tan ฮธ)
+ self.diffusion_rate = diffusion_rate # ํ์ฐ ๊ณ์
+
+ def mass_wasting(self, terrain: TerrainGrid, dt: float = 1.0) -> np.ndarray:
+ """์ฌ๋ฉด ๋ถ๊ดด (๊ธ๊ฒฝ์ฌ โ ๋ฌผ์ง ์ด๋)"""
+ h, w = terrain.height, terrain.width
+ change = np.zeros((h, w))
+
+ elev = terrain.elevation
+ slope = terrain.get_slope()
+
+ # ์๊ณ ๊ฒฝ์ฌ ์ด๊ณผ ์ง์
+ unstable = slope > self.critical_slope
+
+ # ๋ถ์์ ์ง์ ์์ ์ด์์ผ๋ก ๋ฌผ์ง ๋ถ๋ฐฐ
+ for y in range(1, h-1):
+ for x in range(1, w-1):
+ if not unstable[y, x]:
+ continue
+
+ current = elev[y, x]
+ excess = (slope[y, x] - self.critical_slope) * terrain.cell_size
+
+ # 8๋ฐฉํฅ ์ด์ ์ค ๋ฎ์ ๊ณณ์ผ๋ก ๋ถ๋ฐฐ
+ neighbors = [(y-1,x), (y+1,x), (y,x-1), (y,x+1)]
+ lower_neighbors = [(ny, nx) for ny, nx in neighbors
+ if elev[ny, nx] < current]
+
+ if lower_neighbors:
+ transfer = excess * 0.2 * dt # ์ ๋ฌ๋
+ change[y, x] -= transfer
+ per_neighbor = transfer / len(lower_neighbors)
+ for ny, nx in lower_neighbors:
+ change[ny, nx] += per_neighbor
+
+ return change
+
+ def soil_creep(self, terrain: TerrainGrid, dt: float = 1.0) -> np.ndarray:
+ """ํ ์ ํฌ๋ฆฌํ (๋๋ฆฐ ํ์ฐ)"""
+ # ๋ผํ๋ผ์์ ํ์ฐ
+ laplacian = (
+ np.roll(terrain.elevation, 1, axis=0) +
+ np.roll(terrain.elevation, -1, axis=0) +
+ np.roll(terrain.elevation, 1, axis=1) +
+ np.roll(terrain.elevation, -1, axis=1) -
+ 4 * terrain.elevation
+ )
+
+ return self.diffusion_rate * laplacian * dt
+
+
+class VValleySimulation:
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
- ์ค์ ๋ฌผ๋ฆฌ ๊ธฐ๋ฐ
+
+ ํ๋ก์ธ์ค:
+ 1. ๊ฐ์ โ ์ ์ถ (D8 flow accumulation)
+ 2. Stream Power Law ์นจ์
+ 3. ์ฌ๋ฉด ๋ถ๊ดด (Mass Wasting)
+ 4. ํ ์ ํฌ๋ฆฌํ
+ """
+
+ def __init__(self, width: int = 100, height: int = 100):
+ self.terrain = TerrainGrid(width=width, height=height)
+ self.water = WaterFlow(terrain=self.terrain)
+ self.erosion = StreamPowerErosion()
+ self.hillslope = HillslopeProcess()
+
+ self.history: List[np.ndarray] = []
+ self.time = 0.0
+
+ def initialize_terrain(self, max_elevation: float = 500.0,
+ initial_channel_depth: float = 10.0,
+ rock_hardness: float = 0.5):
+ """์ด๊ธฐ ์งํ ์ค์ """
+ h, w = self.terrain.height, self.terrain.width
+
+ # ๋ถโ๋จ ๊ฒฝ์ฌ
+ for y in range(h):
+ base = max_elevation * (1 - y / h)
+ self.terrain.elevation[y, :] = base
+
+ # ์ค์์ ์ด๊ธฐ ํ์ฒ ์ฑ๋
+ center = w // 2
+ for x in range(center - 3, center + 4):
+ if 0 <= x < w:
+ depth = initial_channel_depth * (1 - abs(x - center) / 4)
+ self.terrain.elevation[:, x] -= depth
+
+ # ์์ ๊ฒฝ๋
+ self.terrain.rock_hardness[:] = rock_hardness
+
+ # ๊ธฐ๋ฐ์
+ self.terrain.bedrock[:] = self.terrain.elevation.min() - 200
+
+ self.history = [self.terrain.elevation.copy()]
+ self.time = 0.0
+
+ def step(self, dt: float = 1.0, precipitation: float = 0.001):
+ """1 ํ์์คํ
์งํ"""
+ # 1. ์๋ฌธ ๊ณ์ฐ
+ self.water.flow_accumulation_d8(precipitation)
+ self.water.calculate_hydraulics()
+
+ # 2. Stream Power ์นจ์
+ erosion = self.erosion.calculate_erosion(self.terrain, self.water, dt)
+ self.terrain.elevation -= erosion
+
+ # 3. ์ฌ๋ฉด ๋ถ๊ดด
+ wasting = self.hillslope.mass_wasting(self.terrain, dt)
+ self.terrain.elevation += wasting
+
+ # 4. ํ ์ ํฌ๋ฆฌํ
+ creep = self.hillslope.soil_creep(self.terrain, dt)
+ self.terrain.elevation += creep
+
+ self.time += dt
+
+ def run(self, total_time: float, save_interval: float = 100.0, dt: float = 1.0):
+ """์๋ฎฌ๋ ์ด์
์คํ ๋ฐ ํ์คํ ๋ฆฌ ์ ์ฅ"""
+ steps = int(total_time / dt)
+ save_every = int(save_interval / dt)
+
+ for i in range(steps):
+ self.step(dt)
+ if (i + 1) % save_every == 0:
+ self.history.append(self.terrain.elevation.copy())
+
+ return self.history
+
+ def get_cross_section(self, y_position: int = None) -> Tuple[np.ndarray, np.ndarray]:
+ """๋จ๋ฉด ์ถ์ถ"""
+ if y_position is None:
+ y_position = self.terrain.height // 2
+
+ x = np.arange(self.terrain.width) * self.terrain.cell_size
+ z = self.terrain.elevation[y_position, :]
+
+ return x, z
+
+ def measure_valley_depth(self) -> float:
+ """V์๊ณก ๊น์ด ์ธก์ """
+ center = self.terrain.width // 2
+ y_mid = self.terrain.height // 2
+
+ # ์ค์๊ณผ ์์ชฝ 20์
๋จ์ด์ง ๊ณณ์ ๊ณ ๋ ์ฐจ์ด
+ left = self.terrain.elevation[y_mid, max(0, center-20)]
+ right = self.terrain.elevation[y_mid, min(self.terrain.width-1, center+20)]
+ center_elev = self.terrain.elevation[y_mid, center]
+
+ return max(0, (left + right) / 2 - center_elev)
+
+
+# ํ๋ฆฌ์ปดํจํ
ํจ์
+def precompute_v_valley(max_time: int = 10000,
+ rock_hardness: float = 0.5,
+ K: float = 1e-5,
+ precipitation: float = 0.001,
+ save_every: int = 100) -> List[np.ndarray]:
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
ํ๋ฆฌ์ปดํจํ
"""
+ sim = VValleySimulation(width=100, height=100)
+ sim.erosion.K = K
+ sim.initialize_terrain(rock_hardness=rock_hardness)
+
+ history = sim.run(
+ total_time=max_time,
+ save_interval=save_every,
+ dt=1.0
+ )
+
+ return history
+
+
+if __name__ == "__main__":
+ print("V์๊ณก ๋ฌผ๋ฆฌ ์๋ฎฌ๋ ์ด์
ํ
์คํธ")
+ print("=" * 50)
+
+ sim = VValleySimulation()
+ sim.initialize_terrain(rock_hardness=0.3)
+
+ print(f"์ด๊ธฐ ์ํ: ๊น์ด = {sim.measure_valley_depth():.1f}m")
+
+ for year in [1000, 2000, 5000, 10000]:
+ sim.run(1000, save_interval=1000)
+ depth = sim.measure_valley_depth()
+ print(f"Year {year}: ๊น์ด = {depth:.1f}m")
+
+ print("=" * 50)
+ print("ํ
์คํธ ์๋ฃ!")
diff --git a/engine/precompute.py b/engine/precompute.py
new file mode 100644
index 0000000000000000000000000000000000000000..1d9d2e74cab8b869310328fd9988534fcba1b36e
--- /dev/null
+++ b/engine/precompute.py
@@ -0,0 +1,245 @@
+"""
+Geo-Lab AI: ํ๋ฆฌ์ปดํจํ
+ ์บ์ฑ ์์คํ
+์๋ฎฌ๋ ์ด์
์ ๋ฏธ๋ฆฌ ๋๋ ค๋๊ณ ์ฌ๋ผ์ด๋๋ก ํ์
+"""
+import numpy as np
+import pickle
+import hashlib
+import os
+from pathlib import Path
+from typing import Dict, Any, Optional, Callable
+import threading
+from concurrent.futures import ThreadPoolExecutor
+
+
+class PrecomputeCache:
+ """ํ๋ฆฌ์ปดํจํ
๊ฒฐ๊ณผ ์บ์"""
+
+ def __init__(self, cache_dir: str = None):
+ if cache_dir is None:
+ cache_dir = Path(__file__).parent.parent / "cache"
+ self.cache_dir = Path(cache_dir)
+ self.cache_dir.mkdir(exist_ok=True)
+
+ # ๋ฉ๋ชจ๋ฆฌ ์บ์
+ self.memory_cache: Dict[str, Any] = {}
+
+ def _get_key(self, sim_type: str, params: dict) -> str:
+ """ํ๋ผ๋ฏธํฐ ๊ธฐ๋ฐ ์บ์ ํค ์์ฑ"""
+ param_str = f"{sim_type}_{sorted(params.items())}"
+ return hashlib.md5(param_str.encode()).hexdigest()[:16]
+
+ def get(self, sim_type: str, params: dict) -> Optional[Any]:
+ """์บ์์์ ์กฐํ"""
+ key = self._get_key(sim_type, params)
+
+ # ๋ฉ๋ชจ๋ฆฌ ์บ์ ํ์ธ
+ if key in self.memory_cache:
+ return self.memory_cache[key]
+
+ # ๋์คํฌ ์บ์ ํ์ธ
+ cache_file = self.cache_dir / f"{key}.pkl"
+ if cache_file.exists():
+ try:
+ with open(cache_file, 'rb') as f:
+ data = pickle.load(f)
+ self.memory_cache[key] = data
+ return data
+ except:
+ pass
+
+ return None
+
+ def set(self, sim_type: str, params: dict, data: Any):
+ """์บ์์ ์ ์ฅ"""
+ key = self._get_key(sim_type, params)
+
+ # ๋ฉ๋ชจ๋ฆฌ ์บ์
+ self.memory_cache[key] = data
+
+ # ๋์คํฌ ์บ์
+ cache_file = self.cache_dir / f"{key}.pkl"
+ try:
+ with open(cache_file, 'wb') as f:
+ pickle.dump(data, f)
+ except:
+ pass
+
+ def get_or_compute(self, sim_type: str, params: dict,
+ compute_fn: Callable, force_recompute: bool = False) -> Any:
+ """์บ์ ๋๋ ๊ณ์ฐ"""
+ if not force_recompute:
+ cached = self.get(sim_type, params)
+ if cached is not None:
+ return cached
+
+ # ๊ณ์ฐ
+ result = compute_fn()
+ self.set(sim_type, params, result)
+ return result
+
+
+class SimulationManager:
+ """์๋ฎฌ๋ ์ด์
๋งค๋์
+
+ ํ๋ผ๋ฏธํฐ๋ณ ์๋ฎฌ๋ ์ด์
์ ๋ฐฑ๊ทธ๋ผ์ด๋์์ ํ๋ฆฌ์ปดํจํ
ํ๊ณ
+ UI์์๋ ์บ์๋ ๊ฒฐ๊ณผ๋ฅผ ์กฐํ
+ """
+
+ def __init__(self):
+ self.cache = PrecomputeCache()
+ self.executor = ThreadPoolExecutor(max_workers=2)
+ self.computing: Dict[str, bool] = {}
+
+ def get_v_valley(self, rock_hardness: float = 0.5,
+ K: float = 1e-5,
+ max_time: int = 10000) -> Dict:
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
๊ฒฐ๊ณผ"""
+ from engine.physics_engine import VValleySimulation
+
+ # ํ๋ผ๋ฏธํฐ ์์ํ (์บ์ ํจ์จ)
+ rock_hardness = round(rock_hardness, 1)
+ K = round(K, 6)
+
+ params = {
+ 'rock_hardness': rock_hardness,
+ 'K': K,
+ 'max_time': max_time
+ }
+
+ def compute():
+ sim = VValleySimulation(width=100, height=100)
+ sim.erosion.K = K
+ sim.initialize_terrain(rock_hardness=rock_hardness)
+ history = sim.run(max_time, save_interval=max_time // 100)
+
+ # ๊ฐ ์ค๋
์ท์ ๋จ๋ฉด๊ณผ ๊น์ด ์ ์ฅ
+ cross_sections = []
+ depths = []
+ for elev in history:
+ temp_sim = VValleySimulation()
+ temp_sim.terrain.elevation = elev
+ x, z = temp_sim.get_cross_section()
+ depth = temp_sim.measure_valley_depth()
+ cross_sections.append((x, z))
+ depths.append(depth)
+
+ return {
+ 'history': history,
+ 'cross_sections': cross_sections,
+ 'depths': depths,
+ 'n_frames': len(history)
+ }
+
+ return self.cache.get_or_compute('v_valley', params, compute)
+
+ def get_meander(self, initial_sinuosity: float = 1.3,
+ max_time: int = 10000) -> Dict:
+ """๊ณก๋ฅ ์๋ฎฌ๋ ์ด์
๊ฒฐ๊ณผ"""
+ from engine.meander_physics import MeanderSimulation
+
+ initial_sinuosity = round(initial_sinuosity, 1)
+
+ params = {
+ 'initial_sinuosity': initial_sinuosity,
+ 'max_time': max_time
+ }
+
+ def compute():
+ sim = MeanderSimulation(initial_sinuosity=initial_sinuosity)
+ history = sim.run(max_time, save_interval=max_time // 100)
+
+ # ๊ตด๊ณก๋ ํ์คํ ๋ฆฌ
+ sinuosities = []
+ for x, y in history:
+ temp_channel = type(sim.channel)(x=x, y=y)
+ sinuosities.append(temp_channel.calculate_sinuosity())
+
+ return {
+ 'history': history,
+ 'oxbow_lakes': sim.oxbow_lakes,
+ 'sinuosities': sinuosities,
+ 'n_frames': len(history)
+ }
+
+ return self.cache.get_or_compute('meander', params, compute)
+
+ def get_delta(self, river_energy: float = 60,
+ wave_energy: float = 25,
+ tidal_energy: float = 15,
+ max_time: int = 10000) -> Dict:
+ """์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
๊ฒฐ๊ณผ"""
+ from engine.delta_physics import DeltaSimulation
+
+ # ์ ๊ทํ
+ total = river_energy + wave_energy + tidal_energy + 0.01
+ river_energy = round(river_energy / total, 2)
+ wave_energy = round(wave_energy / total, 2)
+ tidal_energy = round(tidal_energy / total, 2)
+
+ params = {
+ 'river_energy': river_energy,
+ 'wave_energy': wave_energy,
+ 'tidal_energy': tidal_energy,
+ 'max_time': max_time
+ }
+
+ def compute():
+ sim = DeltaSimulation()
+ sim.set_energy_balance(river_energy, wave_energy, tidal_energy)
+ history = sim.run(max_time, save_interval=max_time // 100)
+
+ return {
+ 'history': history,
+ 'delta_type': sim.get_delta_type().value,
+ 'delta_area': sim.get_delta_area(),
+ 'n_frames': len(history)
+ }
+
+ return self.cache.get_or_compute('delta', params, compute)
+
+ def precompute_common_scenarios(self):
+ """์์ฃผ ์ฌ์ฉ๋๋ ์๋๋ฆฌ์ค ๋ฏธ๋ฆฌ ๊ณ์ฐ"""
+ scenarios = [
+ # V์๊ณก
+ {'type': 'v_valley', 'rock_hardness': 0.3, 'K': 1e-5},
+ {'type': 'v_valley', 'rock_hardness': 0.5, 'K': 1e-5},
+ {'type': 'v_valley', 'rock_hardness': 0.7, 'K': 1e-5},
+ # ๊ณก๋ฅ
+ {'type': 'meander', 'initial_sinuosity': 1.2},
+ {'type': 'meander', 'initial_sinuosity': 1.5},
+ # ์ผ๊ฐ์ฃผ
+ {'type': 'delta', 'river': 0.7, 'wave': 0.2, 'tidal': 0.1},
+ {'type': 'delta', 'river': 0.3, 'wave': 0.5, 'tidal': 0.2},
+ {'type': 'delta', 'river': 0.2, 'wave': 0.2, 'tidal': 0.6},
+ ]
+
+ for scenario in scenarios:
+ if scenario['type'] == 'v_valley':
+ self.executor.submit(
+ self.get_v_valley,
+ rock_hardness=scenario['rock_hardness'],
+ K=scenario['K']
+ )
+ elif scenario['type'] == 'meander':
+ self.executor.submit(
+ self.get_meander,
+ initial_sinuosity=scenario['initial_sinuosity']
+ )
+ elif scenario['type'] == 'delta':
+ self.executor.submit(
+ self.get_delta,
+ river_energy=scenario['river'],
+ wave_energy=scenario['wave'],
+ tidal_energy=scenario['tidal']
+ )
+
+
+# ๊ธ๋ก๋ฒ ์ธ์คํด์ค
+_manager = None
+
+def get_simulation_manager() -> SimulationManager:
+ global _manager
+ if _manager is None:
+ _manager = SimulationManager()
+ return _manager
diff --git a/engine/pyvista_render.py b/engine/pyvista_render.py
new file mode 100644
index 0000000000000000000000000000000000000000..5ee1b84b14c3dfc59d6b9557e241597368149489
--- /dev/null
+++ b/engine/pyvista_render.py
@@ -0,0 +1,254 @@
+"""
+PyVista ๊ธฐ๋ฐ ๊ณ ํ์ง 3D ์งํ ๋ ๋๋ง
+- ์ง์ง 3D ๋ ๋๋ง
+- ํ
์ค์ฒ ๋งคํ
+- ์กฐ๋ช
, ๊ทธ๋ฆผ์ ํจ๊ณผ
+"""
+import numpy as np
+
+try:
+ import pyvista as pv
+ PYVISTA_AVAILABLE = True
+except ImportError:
+ PYVISTA_AVAILABLE = False
+
+
+def create_terrain_mesh(elevation: np.ndarray, x_scale: float = 1.0, y_scale: float = 1.0, z_scale: float = 1.0):
+ """๊ณ ๋ ๋ฐฐ์ด์ PyVista ๋ฉ์๋ก ๋ณํ"""
+ if not PYVISTA_AVAILABLE:
+ raise ImportError("PyVista is not installed")
+
+ h, w = elevation.shape
+ x = np.arange(w) * x_scale
+ y = np.arange(h) * y_scale
+ X, Y = np.meshgrid(x, y)
+ Z = elevation * z_scale
+
+ grid = pv.StructuredGrid(X, Y, Z)
+ grid["elevation"] = Z.flatten(order="F")
+
+ return grid
+
+
+def create_interactive_plotter(elevation: np.ndarray, title: str = "์งํ",
+ x_scale: float = 1.0, y_scale: float = 1.0, z_scale: float = 1.0):
+ """์ธํฐ๋ํฐ๋ธ ํ์ ๊ฐ๋ฅํ PyVista ํ๋กํฐ ์์ฑ (stpyvista์ฉ)"""
+ if not PYVISTA_AVAILABLE:
+ return None
+
+ mesh = create_terrain_mesh(elevation, x_scale, y_scale, z_scale)
+
+ plotter = pv.Plotter(window_size=[800, 600])
+ plotter.set_background("#1a1a2e")
+
+ # ๋จ์ผ ์์ (copper)
+ plotter.add_mesh(
+ mesh,
+ scalars="elevation",
+ cmap="copper",
+ lighting=True,
+ smooth_shading=True,
+ show_scalar_bar=True,
+ scalar_bar_args={
+ "title": "๊ณ ๋ (m)",
+ "color": "white"
+ },
+ specular=0.3,
+ specular_power=15
+ )
+
+ # ์กฐ๋ช
+ plotter.remove_all_lights()
+ plotter.add_light(pv.Light(position=(1000, 1000, 2000), intensity=1.2))
+ plotter.add_light(pv.Light(position=(-500, -500, 1000), intensity=0.5))
+
+ plotter.add_text(title, font_size=14, position="upper_left", color="white")
+
+ return plotter
+
+
+def render_v_valley_pyvista(elevation: np.ndarray, depth: float):
+ """V์๊ณก PyVista ๋ ๋๋ง - ๋จ์ผ ์์ ๋ช
๋ ๋ณํ"""
+ if not PYVISTA_AVAILABLE:
+ return None
+
+ # ๋ฉ์ ์์ฑ (์์ง ๊ณผ์ฅ 2๋ฐฐ)
+ mesh = create_terrain_mesh(elevation, x_scale=12.5, y_scale=12.5, z_scale=2.0)
+
+ # ํ๋กํฐ ์ค์
+ plotter = pv.Plotter(off_screen=True, window_size=[1200, 900])
+ plotter.set_background("#1a1a2e") # ์ด๋์ด ๋ฐฐ๊ฒฝ
+
+ # ๋จ์ผ ์์ (๊ฐ์ ๊ณ์ด - copper) ๋ช
๋ ๋ณํ
+ plotter.add_mesh(
+ mesh,
+ scalars="elevation",
+ cmap="copper", # ๊ฐ์ ๋จ์ผ ์์ ๋ช
๋ ๋ณํ
+ lighting=True,
+ smooth_shading=True,
+ show_scalar_bar=True,
+ scalar_bar_args={
+ "title": "๊ณ ๋ (m)",
+ "vertical": True,
+ "title_font_size": 14,
+ "label_font_size": 12
+ },
+ specular=0.3,
+ specular_power=15
+ )
+
+ # ํ์ฒ (๋ ์งํ ์์)
+ water_level = elevation.min() + 3
+ h, w = elevation.shape
+ x_water = np.arange(w) * 12.5
+ y_water = np.arange(h) * 12.5
+ X_w, Y_w = np.meshgrid(x_water, y_water)
+ Z_w = np.full_like(elevation, water_level, dtype=float)
+ water_mask = elevation < water_level
+ Z_w[~water_mask] = np.nan
+
+ if np.any(water_mask):
+ water_grid = pv.StructuredGrid(X_w, Y_w, Z_w)
+ plotter.add_mesh(water_grid, color="#2C3E50", opacity=0.9) # ์ด๋์ด ๋ฌผ
+
+ # ๋๋ผ๋งํฑํ ์นด๋ฉ๋ผ ๊ฐ๋
+ plotter.camera_position = [
+ (w * 12.5 * 1.5, h * 12.5 * 0.2, elevation.max() * 3),
+ (w * 12.5 * 0.5, h * 12.5 * 0.5, elevation.min()),
+ (0, 0, 1)
+ ]
+
+ # ๊ฐํ ์กฐ๋ช
(๊ทธ๋ฆผ์ ํจ๊ณผ)
+ plotter.remove_all_lights()
+ key_light = pv.Light(position=(w*12.5*3, 0, elevation.max()*5), intensity=1.2)
+ fill_light = pv.Light(position=(-w*12.5, h*12.5*2, elevation.max()*2), intensity=0.4)
+ plotter.add_light(key_light)
+ plotter.add_light(fill_light)
+
+ plotter.add_text(f"V์๊ณก | ๊น์ด: {depth:.0f}m", font_size=16,
+ position="upper_left", color="white")
+
+ img = plotter.screenshot(return_img=True)
+ plotter.close()
+
+ return img
+
+
+def render_delta_pyvista(elevation: np.ndarray, delta_type: str, area: float):
+ """์ผ๊ฐ์ฃผ PyVista ๋ ๋๋ง - ๋จ์ผ ์์"""
+ if not PYVISTA_AVAILABLE:
+ return None
+
+ # ๋ฉ์ ์์ฑ (์์ง ๊ณผ์ฅ)
+ mesh = create_terrain_mesh(elevation, x_scale=50, y_scale=50, z_scale=10.0)
+
+ plotter = pv.Plotter(off_screen=True, window_size=[1200, 900])
+ plotter.set_background("#0f0f23") # ์ด๋์ด ๋ฐฐ๊ฒฝ
+
+ # ๋จ์ผ ์์ (bone - ๋ฒ ์ด์ง/๊ฐ์ ๋ช
๋ ๋ณํ)
+ plotter.add_mesh(
+ mesh,
+ scalars="elevation",
+ cmap="bone", # ๋ฒ ์ด์ง ๋จ์ผ ์์ ๋ช
๋ ๋ณํ
+ lighting=True,
+ smooth_shading=True,
+ clim=[elevation.min(), elevation.max()],
+ show_scalar_bar=True,
+ scalar_bar_args={
+ "title": "๊ณ ๋ (m)",
+ "title_font_size": 14,
+ "label_font_size": 12
+ },
+ specular=0.2,
+ specular_power=10
+ )
+
+ # ํด์๋ฉด (์งํ ์์)
+ h, w = elevation.shape
+ x = np.arange(w) * 50
+ y = np.arange(h) * 50
+ X, Y = np.meshgrid(x, y)
+ Z_sea = np.zeros_like(elevation, dtype=float)
+ sea_mask = elevation < 0
+ Z_sea[~sea_mask] = np.nan
+
+ if np.any(sea_mask):
+ sea_grid = pv.StructuredGrid(X, Y, Z_sea)
+ plotter.add_mesh(sea_grid, color="#1a3a5f", opacity=0.85)
+
+ # ์นด๋ฉ๋ผ
+ plotter.camera_position = [
+ (w * 50 * 0.5, -h * 50 * 0.5, elevation.max() * 50),
+ (w * 50 * 0.5, h * 50 * 0.5, 0),
+ (0, 0, 1)
+ ]
+
+ # ์กฐ๋ช
+ plotter.remove_all_lights()
+ plotter.add_light(pv.Light(position=(w*50*2, -h*50, 1000), intensity=1.3))
+ plotter.add_light(pv.Light(position=(-w*50, h*50*2, 500), intensity=0.5))
+
+ plotter.add_text(f"{delta_type} | ๋ฉด์ : {area:.2f} kmยฒ", font_size=16,
+ position="upper_left", color="white")
+
+ img = plotter.screenshot(return_img=True)
+ plotter.close()
+
+ return img
+
+
+def render_meander_pyvista(x: np.ndarray, y: np.ndarray, sinuosity: float, oxbow_lakes: list):
+ """๊ณก๋ฅ ํ์ฒ PyVista ๋ ๋๋ง (2.5D)"""
+ if not PYVISTA_AVAILABLE:
+ return None
+
+ plotter = pv.Plotter(off_screen=True, window_size=[1400, 600])
+
+ # ๋ฒ๋์ (ํ๋ฉด)
+ floodplain = pv.Plane(
+ center=(x.mean(), y.mean(), -1),
+ direction=(0, 0, 1),
+ i_size=x.max() - x.min() + 200,
+ j_size=max(200, (y.max() - y.min()) * 3)
+ )
+ plotter.add_mesh(floodplain, color="#8FBC8F", opacity=0.8)
+
+ # ํ์ฒ (ํ๋ธ)
+ points = np.column_stack([x, y, np.zeros_like(x)])
+ spline = pv.Spline(points, 500)
+ tube = spline.tube(radius=8)
+ plotter.add_mesh(tube, color="#4169E1", smooth_shading=True)
+
+ # ์ฐ๊ฐํธ
+ for lake_x, lake_y in oxbow_lakes:
+ if len(lake_x) > 3:
+ lake_points = np.column_stack([lake_x, lake_y, np.full_like(lake_x, -0.5)])
+ lake_spline = pv.Spline(lake_points, 100)
+ lake_tube = lake_spline.tube(radius=6)
+ plotter.add_mesh(lake_tube, color="#87CEEB", opacity=0.8)
+
+ # ์นด๋ฉ๋ผ (์์์ ์ฝ๊ฐ ๊ธฐ์ธ์ด์ง ์์ )
+ plotter.camera_position = [
+ (x.mean(), y.mean() - 300, 400),
+ (x.mean(), y.mean(), 0),
+ (0, 0, 1)
+ ]
+
+ # ์กฐ๋ช
+ plotter.add_light(pv.Light(position=(x.mean(), y.mean(), 500), intensity=1.0))
+
+ plotter.add_text(f"๊ณก๋ฅ ํ์ฒ (๊ตด๊ณก๋: {sinuosity:.2f})", font_size=14, position="upper_left")
+
+ img = plotter.screenshot(return_img=True)
+ plotter.close()
+
+ return img
+
+
+def save_pyvista_image(img: np.ndarray, filepath: str):
+ """PyVista ๋ ๋๋ง ์ด๋ฏธ์ง ์ ์ฅ"""
+ from PIL import Image
+ if img is not None:
+ Image.fromarray(img).save(filepath)
+ return True
+ return False
diff --git a/engine/river/__init__.py b/engine/river/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..339da2f25a0c79b6953d080efa60ecef80de83c8
--- /dev/null
+++ b/engine/river/__init__.py
@@ -0,0 +1 @@
+# River Submodule
diff --git a/engine/river/delta.py b/engine/river/delta.py
new file mode 100644
index 0000000000000000000000000000000000000000..5f069b14366b94e94ba1d15c3c5c58e65435d390
--- /dev/null
+++ b/engine/river/delta.py
@@ -0,0 +1,251 @@
+"""
+Geo-Lab AI: ์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
+ํ๋ฅ์์ 3๊ฐ์ง ์๋์ง ๊ท ํ์ ๋ฐ๋ฅธ ์ผ๊ฐ์ฃผ ํํ ํ์ฑ
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple
+from enum import Enum
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+
+from engine.base import Terrain, Water
+from engine.deposition import delta_deposition, apply_deposition
+
+
+class DeltaType(Enum):
+ """์ผ๊ฐ์ฃผ ๋ถ๋ฅ (Galloway's Classification)"""
+ RIVER_DOMINATED = "์กฐ์กฑ์ (Bird's Foot)" # ๋ฏธ์์ํผํ
+ WAVE_DOMINATED = "์ํธ์ (Arcuate)" # ๋์ผํ
+ TIDE_DOMINATED = "์ฒจ๊ฐ์ (Cuspate)" # ํฐ๋ฒ ๋ฅดํ
+
+
+@dataclass
+class DeltaSimulator:
+ """์ผ๊ฐ์ฃผ ์๋ฎฌ๋ ์ด์
+
+ ํต์ฌ ์๋ฆฌ:
+ ํ์ฒ ์๋์ง vs ํ๋ ์๋์ง vs ์กฐ๋ฅ ์๋์ง์ ๊ท ํ
+
+ ๊ฒฐ๊ณผ:
+ - ํ์ฒ ์ฐ์ธ: ๊ธธ๊ฒ ๋ป์ ์กฐ์กฑ์ (๋ฏธ์์ํผ๊ฐ)
+ - ํ๋ ์ฐ์ธ: ๋๊ฒ ํผ์ง ์ํธ์ (๋์ผ๊ฐ)
+ - ์กฐ๋ฅ ์ฐ์ธ: ๋พฐ์กฑํ ์ฒจ๊ฐ์ (ํฐ๋ฒ ๋ฅด๊ฐ)
+ """
+
+ # ์งํ ํฌ๊ธฐ
+ width: int = 120
+ height: int = 100
+
+ # ์๋์ง ํ๋ผ๋ฏธํฐ (0-100)
+ river_energy: float = 50.0
+ wave_energy: float = 30.0
+ tidal_energy: float = 20.0
+
+ # ํ๊ฒฝ
+ sea_level: float = 10.0
+ sediment_supply: float = 1.0 # ํด์ ๋ฌผ ๊ณต๊ธ๋ ๊ณ์
+
+ # ๋ด๋ถ ์ํ
+ terrain: Terrain = field(default=None)
+ water: Water = field(default=None)
+ delta_mask: np.ndarray = field(default=None) # ์ผ๊ฐ์ฃผ ์์ญ
+ history: List[np.ndarray] = field(default_factory=list)
+ current_step: int = 0
+
+ def __post_init__(self):
+ self.reset()
+
+ def reset(self):
+ """์๋ฎฌ๋ ์ด์
์ด๊ธฐํ"""
+ self.terrain = Terrain(width=self.width, height=self.height)
+
+ # ์งํ ์ค์ : ์๋ฅ(์ก์ง) โ ํ๋ฅ(๋ฐ๋ค)
+ for y in range(self.height):
+ if y < self.height * 0.4:
+ # ์ก์ง (๊ฒฝ์ฌ)
+ elev = 50 - y * 0.5
+ else:
+ # ๋ฐ๋ค (ํด์๋ฉด ์๋)
+ elev = self.sea_level - (y - self.height * 0.4) * 0.3
+ self.terrain.elevation[y, :] = elev
+
+ # ์ค์์ ํ์ฒ ์ฑ๋
+ center = self.width // 2
+ for y in range(int(self.height * 0.5)):
+ for dx in range(-3, 4):
+ x = center + dx
+ if 0 <= x < self.width:
+ self.terrain.elevation[y, x] -= 5
+
+ # ์๋ฌธ ์ด๊ธฐํ
+ self.water = Water(terrain=self.terrain)
+ self.water.discharge[0, center] = 100 # ์๋ฅ ์ ์
+ self.water.accumulate_flow()
+
+ self.delta_mask = np.zeros((self.height, self.width), dtype=bool)
+ self.history = [self.terrain.elevation.copy()]
+ self.current_step = 0
+
+ def set_energy_balance(self, river: float, wave: float, tidal: float):
+ """์๋์ง ๊ท ํ ์ค์ (0-100)"""
+ self.river_energy = max(0, min(100, river))
+ self.wave_energy = max(0, min(100, wave))
+ self.tidal_energy = max(0, min(100, tidal))
+
+ def step(self, n_steps: int = 1) -> np.ndarray:
+ """์๋ฎฌ๋ ์ด์
n์คํ
์งํ"""
+ for _ in range(n_steps):
+ # 1. ์ ๋ ๊ณ์ฐ
+ self.water.accumulate_flow()
+
+ # 2. ์ผ๊ฐ์ฃผ ํด์
+ deposition = self._calculate_delta_deposition()
+ apply_deposition(self.terrain, deposition)
+
+ # 3. ํ๋/์กฐ๋ฅ์ ์ํ ์ฌ๋ถ๋ฐฐ
+ redistribution = self._calculate_redistribution()
+ self.terrain.elevation += redistribution
+
+ # 4. ์ผ๊ฐ์ฃผ ์์ญ ์
๋ฐ์ดํธ
+ self._update_delta_mask()
+
+ self.current_step += 1
+
+ if self.current_step % 10 == 0:
+ self.history.append(self.terrain.elevation.copy())
+
+ return self.terrain.elevation
+
+ def _calculate_delta_deposition(self) -> np.ndarray:
+ """์๋์ง ๊ท ํ ๊ธฐ๋ฐ ์ผ๊ฐ์ฃผ ํด์ ๊ณ์ฐ"""
+ deposition = delta_deposition(
+ self.terrain, self.water,
+ river_energy=self.river_energy / 50, # ์ ๊ทํ
+ wave_energy=self.wave_energy / 50,
+ tidal_energy=self.tidal_energy / 50,
+ sea_level=self.sea_level
+ )
+
+ return deposition * self.sediment_supply
+
+ def _calculate_redistribution(self) -> np.ndarray:
+ """ํ๋/์กฐ๋ฅ์ ์ํ ํด์ ๋ฌผ ์ฌ๋ถ๋ฐฐ"""
+ redistribution = np.zeros((self.height, self.width))
+
+ # ํ๊ตฌ ์์ญ (ํด์๋ฉด ๊ทผ์ฒ)
+ estuary = (self.terrain.elevation > self.sea_level - 5) & \
+ (self.terrain.elevation < self.sea_level + 5)
+
+ if not np.any(estuary):
+ return redistribution
+
+ # ํ๋: ์ข์ฐ๋ก ํผ๋จ๋ฆผ
+ if self.wave_energy > 20:
+ from scipy.ndimage import uniform_filter1d
+ for y in range(self.height):
+ if np.any(estuary[y, :]):
+ # ์ข์ฐ ๋ฐฉํฅ ํํํ
+ row = self.terrain.elevation[y, :].copy()
+ smoothed = uniform_filter1d(row, size=5)
+ redistribution[y, :] = (smoothed - row) * (self.wave_energy / 100) * 0.1
+
+ # ์กฐ๋ฅ: ๋ฐ๋ค ๋ฐฉํฅ์ผ๋ก ์ธ์ด๋
+ if self.tidal_energy > 20:
+ for y in range(1, self.height):
+ factor = self.tidal_energy / 100 * 0.05
+ if np.any(estuary[y, :]):
+ # ์๋๋ก ์ด๋
+ redistribution[y, :] += self.terrain.elevation[y-1, :] * factor * 0.1
+ redistribution[y-1, :] -= self.terrain.elevation[y-1, :] * factor * 0.1
+
+ return redistribution
+
+ def _update_delta_mask(self):
+ """์ผ๊ฐ์ฃผ ์์ญ ์
๋ฐ์ดํธ"""
+ # ํด์๋ฉด๋ณด๋ค ์ฝ๊ฐ ๋๊ณ ํ๊ตฌ ๊ทผ์ฒ์ธ ์์ญ
+ self.delta_mask = (
+ (self.terrain.elevation > self.sea_level) &
+ (self.terrain.elevation < self.sea_level + 20) &
+ (np.arange(self.height)[:, None] > self.height * 0.4) # ํ๋ฅ
+ )
+
+ def get_delta_type(self) -> DeltaType:
+ """ํ์ฌ ์ผ๊ฐ์ฃผ ์ ํ ํ๋ณ"""
+ total = self.river_energy + self.wave_energy + self.tidal_energy + 0.01
+
+ r_ratio = self.river_energy / total
+ w_ratio = self.wave_energy / total
+ t_ratio = self.tidal_energy / total
+
+ if r_ratio >= w_ratio and r_ratio >= t_ratio:
+ return DeltaType.RIVER_DOMINATED
+ elif w_ratio >= t_ratio:
+ return DeltaType.WAVE_DOMINATED
+ else:
+ return DeltaType.TIDE_DOMINATED
+
+ def get_delta_area(self) -> float:
+ """์ผ๊ฐ์ฃผ ๋ฉด์ (์
์)"""
+ return float(np.sum(self.delta_mask))
+
+ def get_delta_extent(self) -> Tuple[float, float]:
+ """์ผ๊ฐ์ฃผ ๊ฐ๋ก/์ธ๋ก ๋ฒ์"""
+ if not np.any(self.delta_mask):
+ return 0, 0
+
+ cols = np.any(self.delta_mask, axis=0)
+ rows = np.any(self.delta_mask, axis=1)
+
+ width = np.sum(cols) * self.terrain.cell_size
+ length = np.sum(rows) * self.terrain.cell_size
+
+ return width, length
+
+ def get_info(self) -> dict:
+ """ํ์ฌ ์ํ ์ ๋ณด"""
+ delta_type = self.get_delta_type()
+ width, length = self.get_delta_extent()
+
+ return {
+ "step": self.current_step,
+ "delta_type": delta_type.value,
+ "delta_area": self.get_delta_area(),
+ "delta_width": width,
+ "delta_length": length,
+ "energy_balance": {
+ "river": self.river_energy,
+ "wave": self.wave_energy,
+ "tidal": self.tidal_energy
+ }
+ }
+
+
+if __name__ == "__main__":
+ # ์๋๋ฆฌ์ค 1: ๋ฏธ์์ํผํ (ํ์ฒ ์ฐ์ธ)
+ print("=" * 50)
+ print("์๋๋ฆฌ์ค 1: ์กฐ์กฑ์ ์ผ๊ฐ์ฃผ (๋ฏธ์์ํผํ)")
+ sim1 = DeltaSimulator()
+ sim1.set_energy_balance(river=80, wave=10, tidal=10)
+
+ for i in range(10):
+ sim1.step(50)
+ info = sim1.get_info()
+ print(f"์ ํ: {info['delta_type']}")
+ print(f"๋ฉด์ : {info['delta_area']:.0f}, ํญ: {info['delta_width']:.0f}m, ๊ธธ์ด: {info['delta_length']:.0f}m")
+
+ # ์๋๋ฆฌ์ค 2: ๋์ผํ (ํ๋ ์ฐ์ธ)
+ print("\n" + "=" * 50)
+ print("์๋๋ฆฌ์ค 2: ์ํธ์ ์ผ๊ฐ์ฃผ (๋์ผํ)")
+ sim2 = DeltaSimulator()
+ sim2.set_energy_balance(river=30, wave=60, tidal=10)
+
+ for i in range(10):
+ sim2.step(50)
+ info = sim2.get_info()
+ print(f"์ ํ: {info['delta_type']}")
+ print(f"๋ฉด์ : {info['delta_area']:.0f}, ํญ: {info['delta_width']:.0f}m, ๊ธธ์ด: {info['delta_length']:.0f}m")
+
+ print("\n์๋ฎฌ๋ ์ด์
์๋ฃ!")
diff --git a/engine/river/meander.py b/engine/river/meander.py
new file mode 100644
index 0000000000000000000000000000000000000000..cbc388d3879e4518953f29dc48b599a76530eb9b
--- /dev/null
+++ b/engine/river/meander.py
@@ -0,0 +1,299 @@
+"""
+Geo-Lab AI: ๊ณก๋ฅ & ์ฐ๊ฐํธ ์๋ฎฌ๋ ์ด์
+์ค๋ฅ ํ์ฒ์ ์ธก๋ฐฉ ์นจ์์ผ๋ก ๊ตฝ์ด์น๋ ํ์ฒ๊ณผ ์ฐ๊ฐํธ ํ์ฑ
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple, Optional
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+
+from engine.base import Terrain, Water
+from engine.erosion import lateral_erosion, apply_erosion
+from engine.deposition import apply_deposition
+
+
+@dataclass
+class MeanderSimulator:
+ """๊ณก๋ฅ ํ์ฒ ์๋ฎฌ๋ ์ด์
+
+ ํต์ฌ ์๋ฆฌ:
+ 1. ์ธก๋ฐฉ ์นจ์ (Lateral Erosion) - ๋ฐ๊นฅ์ชฝ(๊ณต๊ฒฉ์ฌ๋ฉด)
+ 2. ์ธก๋ฐฉ ํด์ (Point Bar) - ์์ชฝ(ํด์ ์ฌ๋ฉด)
+ 3. ์ ๋ก ์ ๋จ (Cutoff) - ์ฐ๊ฐํธ ํ์ฑ
+
+ ๊ฒฐ๊ณผ: ๊ตฝ์ด์น๋ ํ์ฒ, ์ฐ๊ฐํธ(Oxbow Lake)
+ """
+
+ # ์งํ ํฌ๊ธฐ
+ width: int = 150
+ height: int = 150
+
+ # ์๋ฎฌ๋ ์ด์
ํ๋ผ๋ฏธํฐ
+ initial_sinuosity: float = 1.2 # ์ด๊ธฐ ๊ตด๊ณก๋
+ discharge: float = 50.0 # ์ ๋
+
+ # ์นจ์/ํด์ ๊ณ์
+ k_lateral: float = 0.0003
+ k_deposition: float = 0.0002
+
+ # ์ฐ๊ฐํธ ํ์ฑ ์กฐ๊ฑด
+ cutoff_threshold: float = 10.0 # ์ ๋ก ๊ฐ ๊ฑฐ๋ฆฌ๊ฐ ์ด ์ดํ๋ฉด ์ ๋จ
+
+ # ๋ด๋ถ ์ํ
+ terrain: Terrain = field(default=None)
+ water: Water = field(default=None)
+ channel_path: List[Tuple[int, int]] = field(default_factory=list)
+ oxbow_lakes: List[np.ndarray] = field(default_factory=list)
+ history: List[np.ndarray] = field(default_factory=list)
+ current_step: int = 0
+
+ def __post_init__(self):
+ self.reset()
+
+ def reset(self):
+ """์๋ฎฌ๋ ์ด์
์ด๊ธฐํ"""
+ self.terrain = Terrain(width=self.width, height=self.height)
+
+ # ํํํ ๋ฒ๋์ (์ฝ๊ฐ์ ๊ฒฝ์ฌ)
+ for y in range(self.height):
+ self.terrain.elevation[y, :] = 100 - y * 0.2 # ์๋งํ ๊ฒฝ์ฌ
+
+ # ์ด๊ธฐ ๊ณก๋ฅ ํ์ฒ ๊ฒฝ๋ก ์์ฑ
+ self._create_initial_channel()
+
+ # ์๋ฌธ ์ด๊ธฐํ
+ self.water = Water(terrain=self.terrain)
+ self._update_water_from_channel()
+
+ self.oxbow_lakes = []
+ self.history = [self.terrain.elevation.copy()]
+ self.current_step = 0
+
+ def _create_initial_channel(self):
+ """์ด๊ธฐ ์ฌ์ธํ ํํ์ ๊ณก๋ฅ ํ์ฒ ์์ฑ"""
+ self.channel_path = []
+
+ amplitude = self.width * 0.15 * self.initial_sinuosity
+ frequency = 3 # ๊ตฝ์ด ์
+
+ center = self.width // 2
+
+ for y in range(self.height):
+ # ์ฌ์ธํ ๊ณก์
+ x = int(center + amplitude * np.sin(2 * np.pi * frequency * y / self.height))
+ x = max(5, min(self.width - 5, x))
+ self.channel_path.append((y, x))
+
+ # ํ์ฒ ์ฑ๋ ํ๊ธฐ (์ฃผ๋ณ๋ ์ฝ๊ฐ)
+ for dx in range(-3, 4):
+ nx = x + dx
+ if 0 <= nx < self.width:
+ depth = 5 * (1 - abs(dx) / 4)
+ self.terrain.elevation[y, nx] -= depth
+
+ def _update_water_from_channel(self):
+ """ํ์ฒ ๊ฒฝ๋ก๋ฅผ ๊ธฐ๋ฐ์ผ๋ก ์๋ฌธ ๋ฐ์ดํฐ ์
๋ฐ์ดํธ"""
+ self.water.discharge[:] = 0
+ self.water.velocity[:] = 0
+
+ for y, x in self.channel_path:
+ self.water.discharge[y, x] = self.discharge
+ self.water.velocity[y, x] = 2.0 # ๊ธฐ๋ณธ ์ ์
+
+ # ์ฃผ๋ณ์ผ๋ก ํ์ฐ
+ from scipy.ndimage import gaussian_filter
+ self.water.discharge = gaussian_filter(self.water.discharge, sigma=1)
+ self.water.velocity = gaussian_filter(self.water.velocity, sigma=1)
+
+ def step(self, n_steps: int = 1) -> np.ndarray:
+ """์๋ฎฌ๋ ์ด์
n์คํ
์งํ"""
+ for _ in range(n_steps):
+ # 1. ์ธก๋ฐฉ ์นจ์ (๋ฐ๊นฅ์ชฝ)
+ erosion = self._calculate_bank_erosion()
+ apply_erosion(self.terrain, erosion)
+
+ # 2. Point Bar ํด์ (์์ชฝ)
+ deposition = self._calculate_point_bar_deposition()
+ apply_deposition(self.terrain, deposition)
+
+ # 3. ํ์ฒ ๊ฒฝ๋ก ์
๋ฐ์ดํธ (๊ฐ์ฅ ๋ฎ์ ๊ณณ์ผ๋ก ์ด๋)
+ self._update_channel_path()
+
+ # 4. ์ฐ๊ฐํธ ์ฒดํฌ
+ self._check_cutoff()
+
+ # 5. ์๋ฌธ ์
๋ฐ์ดํธ
+ self._update_water_from_channel()
+
+ self.current_step += 1
+
+ if self.current_step % 10 == 0:
+ self.history.append(self.terrain.elevation.copy())
+
+ return self.terrain.elevation
+
+ def _calculate_bank_erosion(self) -> np.ndarray:
+ """๊ณต๊ฒฉ์ฌ๋ฉด(๋ฐ๊นฅ์ชฝ) ์นจ์ ๊ณ์ฐ"""
+ erosion = np.zeros((self.height, self.width))
+
+ for i in range(1, len(self.channel_path) - 1):
+ y, x = self.channel_path[i]
+ y_prev, x_prev = self.channel_path[i - 1]
+ y_next, x_next = self.channel_path[i + 1]
+
+ # ๊ณก๋ฅ ๊ณ์ฐ (๋ฐฉํฅ ๋ณํ)
+ dx1, dy1 = x - x_prev, y - y_prev
+ dx2, dy2 = x_next - x, y_next - y
+
+ # ์ธ์ ์ผ๋ก ํ์ ๋ฐฉํฅ ํ๋จ
+ cross = dx1 * dy2 - dy1 * dx2
+
+ # ๋ฐ๊นฅ์ชฝ ๊ฒฐ์
+ if cross > 0: # ์ค๋ฅธ์ชฝ์ผ๋ก ํ์ โ ์ผ์ชฝ์ด ๋ฐ๊นฅ
+ outer_x = x - 1
+ else: # ์ผ์ชฝ์ผ๋ก ํ์ โ ์ค๋ฅธ์ชฝ์ด ๋ฐ๊นฅ
+ outer_x = x + 1
+
+ if 0 <= outer_x < self.width:
+ curvature = abs(cross) / (np.sqrt(dx1**2+dy1**2+0.1) * np.sqrt(dx2**2+dy2**2+0.1) + 0.1)
+ erosion[y, outer_x] = self.k_lateral * self.discharge * curvature
+
+ return erosion
+
+ def _calculate_point_bar_deposition(self) -> np.ndarray:
+ """ํด์ ์ฌ๋ฉด(์์ชฝ) ํด์ ๊ณ์ฐ"""
+ deposition = np.zeros((self.height, self.width))
+
+ for i in range(1, len(self.channel_path) - 1):
+ y, x = self.channel_path[i]
+ y_prev, x_prev = self.channel_path[i - 1]
+ y_next, x_next = self.channel_path[i + 1]
+
+ dx1, dy1 = x - x_prev, y - y_prev
+ dx2, dy2 = x_next - x, y_next - y
+ cross = dx1 * dy2 - dy1 * dx2
+
+ # ์์ชฝ (๋ฐ๊นฅ์ชฝ ๋ฐ๋)
+ if cross > 0:
+ inner_x = x + 1
+ else:
+ inner_x = x - 1
+
+ if 0 <= inner_x < self.width:
+ curvature = abs(cross) / (np.sqrt(dx1**2+dy1**2+0.1) * np.sqrt(dx2**2+dy2**2+0.1) + 0.1)
+ deposition[y, inner_x] = self.k_deposition * self.discharge * curvature
+
+ return deposition
+
+ def _update_channel_path(self):
+ """ํ์ฒ ๊ฒฝ๋ก๋ฅผ ๊ฐ์ฅ ๋ฎ์ ์ง์ ์ผ๋ก ์ด๋"""
+ new_path = [self.channel_path[0]] # ์์์ ์ ์ง
+
+ for i in range(1, len(self.channel_path) - 1):
+ y, x = self.channel_path[i]
+
+ # ์ฃผ๋ณ ์ค ๊ฐ์ฅ ๋ฎ์ ๊ณณ ํ์
+ min_elev = self.terrain.elevation[y, x]
+ best_x = x
+
+ for dx in [-1, 0, 1]:
+ nx = x + dx
+ if 0 <= nx < self.width:
+ if self.terrain.elevation[y, nx] < min_elev:
+ min_elev = self.terrain.elevation[y, nx]
+ best_x = nx
+
+ new_path.append((y, best_x))
+
+ new_path.append(self.channel_path[-1]) # ๋์ ์ ์ง
+ self.channel_path = new_path
+
+ def _check_cutoff(self):
+ """์ฐ๊ฐํธ ํ์ฑ ์กฐ๊ฑด ์ฒดํฌ"""
+ # ๊ฐ๊น์ด ๋ ์ ๋ก ์ง์ ์ฐพ๊ธฐ
+ for i in range(len(self.channel_path)):
+ for j in range(i + 20, len(self.channel_path)): # ์ต์ 20์
๋จ์ด์ง ๊ฒ๋ง
+ y1, x1 = self.channel_path[i]
+ y2, x2 = self.channel_path[j]
+
+ dist = np.sqrt((x1 - x2)**2 + (y1 - y2)**2)
+
+ if dist < self.cutoff_threshold:
+ # Cutoff ๋ฐ์! ์ฐ๊ฐํธ ์์ฑ
+ self._create_oxbow_lake(i, j)
+ return
+
+ def _create_oxbow_lake(self, start_idx: int, end_idx: int):
+ """์ฐ๊ฐํธ ์์ฑ"""
+ # ๊ณ ๋ฆฝ๋ ๊ตฌ๊ฐ ์ถ์ถ
+ cutoff_section = self.channel_path[start_idx:end_idx]
+
+ # ์ฐ๊ฐํธ๋ก ์ ์ฅ
+ oxbow = np.zeros((self.height, self.width), dtype=bool)
+ for y, x in cutoff_section:
+ oxbow[y, x] = True
+ self.oxbow_lakes.append(oxbow)
+
+ # ํ์ฒ ๊ฒฝ๋ก ๋จ์ถ (์ง์ ์ผ๋ก)
+ self.channel_path = (
+ self.channel_path[:start_idx+1] +
+ self.channel_path[end_idx:]
+ )
+
+ print(f"๐ ์ฐ๊ฐํธ ํ์ฑ! (Step {self.current_step})")
+
+ def get_cross_section(self, y_position: int = None) -> Tuple[np.ndarray, np.ndarray]:
+ """ํน์ ์์น์ ๋จ๋ฉด๋"""
+ if y_position is None:
+ y_position = self.height // 2
+
+ x = np.arange(self.width) * self.terrain.cell_size
+ z = self.terrain.elevation[y_position, :]
+
+ return x, z
+
+ def get_sinuosity(self) -> float:
+ """ํ์ฌ ๊ตด๊ณก๋ ๊ณ์ฐ"""
+ if len(self.channel_path) < 2:
+ return 1.0
+
+ # ์ค์ ๊ฒฝ๋ก ๊ธธ์ด
+ path_length = 0
+ for i in range(1, len(self.channel_path)):
+ y1, x1 = self.channel_path[i-1]
+ y2, x2 = self.channel_path[i]
+ path_length += np.sqrt((x2-x1)**2 + (y2-y1)**2)
+
+ # ์ง์ ๊ฑฐ๋ฆฌ
+ y_start, x_start = self.channel_path[0]
+ y_end, x_end = self.channel_path[-1]
+ straight_length = np.sqrt((x_end-x_start)**2 + (y_end-y_start)**2) + 0.1
+
+ return path_length / straight_length
+
+ def get_info(self) -> dict:
+ """ํ์ฌ ์ํ ์ ๋ณด"""
+ return {
+ "step": self.current_step,
+ "sinuosity": self.get_sinuosity(),
+ "oxbow_lakes": len(self.oxbow_lakes),
+ "channel_length": len(self.channel_path)
+ }
+
+
+if __name__ == "__main__":
+ sim = MeanderSimulator(initial_sinuosity=1.5)
+
+ print("๊ณก๋ฅ ํ์ฒ ์๋ฎฌ๋ ์ด์
์์")
+ print(f"์ด๊ธฐ ๊ตด๊ณก๋: {sim.get_sinuosity():.2f}")
+
+ for i in range(20):
+ sim.step(50)
+ info = sim.get_info()
+ print(f"Step {info['step']}: ๊ตด๊ณก๋ {info['sinuosity']:.2f}, "
+ f"์ฐ๊ฐํธ {info['oxbow_lakes']}๊ฐ")
+
+ print("์๋ฎฌ๋ ์ด์
์๋ฃ!")
diff --git a/engine/river/v_valley.py b/engine/river/v_valley.py
new file mode 100644
index 0000000000000000000000000000000000000000..0ba8f891463b42b3bb1dc9b5e3dc286424385b30
--- /dev/null
+++ b/engine/river/v_valley.py
@@ -0,0 +1,161 @@
+"""
+Geo-Lab AI: V์๊ณก ์๋ฎฌ๋ ์ด์
+์๋ฅ ํ์ฒ์ ํ๋ฐฉ ์นจ์์ผ๋ก V์ ๋ชจ์ ๊ณจ์ง๊ธฐ ํ์ฑ
+"""
+import numpy as np
+from dataclasses import dataclass, field
+from typing import List, Tuple
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+
+from engine.base import Terrain, Water, SimulationState
+from engine.erosion import vertical_erosion, headward_erosion, mass_wasting, apply_erosion
+
+
+@dataclass
+class VValleySimulator:
+ """V์๊ณก ์๋ฎฌ๋ ์ด์
+
+ ํต์ฌ ์๋ฆฌ:
+ 1. ํ๋ฐฉ ์นจ์ (Stream Power Law)
+ 2. ์ฌ๋ฉด ๋ถ๊ดด (Mass Wasting)
+
+ ๊ฒฐ๊ณผ: V์ ํํ์ ๊น์ ๊ณจ์ง๊ธฐ
+ """
+
+ # ์งํ ํฌ๊ธฐ
+ width: int = 100
+ height: int = 100
+
+ # ์๋ฎฌ๋ ์ด์
ํ๋ผ๋ฏธํฐ
+ rock_hardness: float = 0.5 # 0=๋ฌด๋ฆ, 1=๋จ๋จํจ
+ slope_gradient: float = 0.1 # ์ด๊ธฐ ๊ฒฝ์ฌ
+ initial_discharge: float = 10.0 # ์ด๊ธฐ ์ ๋
+
+ # ์นจ์ ๊ณ์
+ k_vertical: float = 0.0005 # ํ๋ฐฉ ์นจ์ ๊ณ์
+ k_headward: float = 0.0003 # ๋๋ถ ์นจ์ ๊ณ์
+
+ # ๋ด๋ถ ์ํ
+ terrain: Terrain = field(default=None)
+ water: Water = field(default=None)
+ history: List[np.ndarray] = field(default_factory=list)
+ current_step: int = 0
+
+ def __post_init__(self):
+ self.reset()
+
+ def reset(self):
+ """์๋ฎฌ๋ ์ด์
์ด๊ธฐํ"""
+ # ์ด๊ธฐ ์งํ: ๋ถ์ชฝ์ด ๋์ ๊ฒฝ์ฌ๋ฉด
+ self.terrain = Terrain(width=self.width, height=self.height)
+
+ # ๊ฒฝ์ฌ ์ค์
+ for y in range(self.height):
+ base_elevation = 500 * (1 - y / self.height)
+ self.terrain.elevation[y, :] = base_elevation
+
+ # ์ค์์ ์ด๊ธฐ ํ์ฒ ์ฑ๋ (์ฝ๊ฐ ๋ฎ๊ฒ)
+ center = self.width // 2
+ channel_width = 3
+ for x in range(center - channel_width, center + channel_width):
+ if 0 <= x < self.width:
+ self.terrain.elevation[:, x] -= 10
+
+ # ์์ ๊ฒฝ๋ ์ค์
+ self.terrain.rock_hardness[:] = self.rock_hardness
+
+ # ์๋ฌธ ์ด๊ธฐํ
+ self.water = Water(terrain=self.terrain)
+ self.water.discharge[0, center] = self.initial_discharge # ์๋ฅ์์ ์ ์
+ self.water.accumulate_flow()
+
+ self.history = [self.terrain.elevation.copy()]
+ self.current_step = 0
+
+ def step(self, n_steps: int = 1) -> np.ndarray:
+ """์๋ฎฌ๋ ์ด์
n์คํ
์งํ"""
+ for _ in range(n_steps):
+ # 1. ์ ๋ ๊ณ์ฐ
+ self.water.add_precipitation(rate=0.001)
+ self.water.accumulate_flow()
+
+ # 2. ํ๋ฐฉ ์นจ์
+ v_erosion = vertical_erosion(
+ self.terrain, self.water,
+ k_erosion=self.k_vertical * (1 - self.rock_hardness)
+ )
+ apply_erosion(self.terrain, v_erosion)
+
+ # 3. ๋๋ถ ์นจ์
+ h_erosion = headward_erosion(
+ self.terrain, self.water,
+ k_headward=self.k_headward
+ )
+ apply_erosion(self.terrain, h_erosion)
+
+ # 4. ์ฌ๋ฉด ๋ถ๊ดด (V์ ํ์ฑ์ ํต์ฌ!)
+ mass_change = mass_wasting(self.terrain)
+ self.terrain.elevation += mass_change
+
+ # 5. ํ๋ฆ ๋ฐฉํฅ ์
๋ฐ์ดํธ
+ self.water.flow_x, self.water.flow_y = self.terrain.get_flow_direction()
+
+ self.current_step += 1
+
+ # ํ์คํ ๋ฆฌ ์ ์ฅ (๋งค 10์คํ
)
+ if self.current_step % 10 == 0:
+ self.history.append(self.terrain.elevation.copy())
+
+ return self.terrain.elevation
+
+ def get_cross_section(self, y_position: int = None) -> Tuple[np.ndarray, np.ndarray]:
+ """ํน์ ์์น์ ๋จ๋ฉด๋ ๋ฐํ"""
+ if y_position is None:
+ y_position = self.height // 2
+
+ x = np.arange(self.width) * self.terrain.cell_size
+ z = self.terrain.elevation[y_position, :]
+
+ return x, z
+
+ def get_valley_depth(self) -> float:
+ """ํ์ฌ V์๊ณก ๊น์ด ์ธก์ """
+ center = self.width // 2
+ y_mid = self.height // 2
+
+ # ์ข์ฐ ๊ณ ๋ ํ๊ท vs ์ค์ ๊ณ ๋
+ left_elev = self.terrain.elevation[y_mid, center - 20]
+ right_elev = self.terrain.elevation[y_mid, center + 20]
+ center_elev = self.terrain.elevation[y_mid, center]
+
+ depth = (left_elev + right_elev) / 2 - center_elev
+ return max(0, depth)
+
+ def get_info(self) -> dict:
+ """ํ์ฌ ์๋ฎฌ๋ ์ด์
์ํ ์ ๋ณด"""
+ return {
+ "step": self.current_step,
+ "valley_depth": self.get_valley_depth(),
+ "max_elevation": float(self.terrain.elevation.max()),
+ "min_elevation": float(self.terrain.elevation.min()),
+ "total_erosion": float(self.history[0].sum() - self.terrain.elevation.sum())
+ }
+
+
+# ํ
์คํธ ์ฝ๋
+if __name__ == "__main__":
+ sim = VValleySimulator(rock_hardness=0.3)
+
+ print("V์๊ณก ์๋ฎฌ๋ ์ด์
์์")
+ print(f"์ด๊ธฐ ๊น์ด: {sim.get_valley_depth():.1f}m")
+
+ for i in range(10):
+ sim.step(100)
+ info = sim.get_info()
+ print(f"Step {info['step']}: ๊น์ด {info['valley_depth']:.1f}m, "
+ f"์ด ์นจ์๋ {info['total_erosion']:.0f}mยณ")
+
+ print("์๋ฎฌ๋ ์ด์
์๋ฃ!")
diff --git a/engine/script_engine.py b/engine/script_engine.py
new file mode 100644
index 0000000000000000000000000000000000000000..d2ae4f35594767ae732ad3dc7614acb1269ccfff
--- /dev/null
+++ b/engine/script_engine.py
@@ -0,0 +1,87 @@
+
+import numpy as np
+import math
+from .grid import WorldGrid
+from .fluids import HydroKernel
+from .erosion_process import ErosionProcess
+
+class ScriptExecutor:
+ """
+ ์ฌ์ฉ์ ์ ์ ์คํฌ๋ฆฝํธ ์คํ ์์ง
+ ๋ณด์์ ์ํด ์ ํ๋ ํ๊ฒฝ์์ Python ์ฝ๋๋ฅผ ์คํํฉ๋๋ค.
+ """
+ def __init__(self, grid: WorldGrid):
+ self.grid = grid
+ self.hydro = HydroKernel(grid)
+ self.erosion = ErosionProcess(grid)
+
+ def execute(self, script: str, dt: float = 1.0, allowed_modules: list = ['numpy', 'math']):
+ """
+ ์คํฌ๋ฆฝํธ ์คํ
+
+ Args:
+ script: ์คํํ Python ์ฝ๋ ๋ฌธ์์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ (Time Step)
+ allowed_modules: ํ์ฉํ ๋ชจ๋ ๋ฆฌ์คํธ (๊ธฐ๋ณธ: numpy, math)
+
+ Available Variables in Context:
+ - grid: WorldGrid ๊ฐ์ฒด
+ - elevation: grid.elevation (Numpy Array)
+ - bedrock: grid.bedrock
+ - sediment: grid.sediment
+ - water_depth: grid.water_depth
+ - dt: Delta Time
+ - np: numpy module
+ - math: math module
+ - hydro: HydroKernel ๊ฐ์ฒด
+ - erosion: ErosionProcess ๊ฐ์ฒด
+ """
+
+ # 1. ์คํ ์ปจํ
์คํธ(Namespace) ์ค๋น
+ context = {
+ 'grid': self.grid,
+ 'elevation': self.grid.elevation,
+ 'bedrock': self.grid.bedrock,
+ 'sediment': self.grid.sediment,
+ 'water_depth': self.grid.water_depth,
+ 'dt': dt,
+ 'np': np,
+ 'math': math,
+ 'hydro': self.hydro,
+ 'erosion': self.erosion,
+ # Helper functions
+ 'max': max,
+ 'min': min,
+ 'abs': abs,
+ 'pow': pow,
+ 'print': print # ๋๋ฒ๊น
์ฉ
+ }
+
+ # 2. ๊ธ์ง๋ ํค์๋ ์ฒดํฌ (๊ธฐ๋ณธ์ ์ธ ๋ณด์)
+ # ์๋ฒฝํ ์๋๋ฐ์ค๋ ์๋์ง๋ง, ์ค์ ๋ฐฉ์ง์ฉ
+ forbidden = ['import os', 'import sys', 'open(', 'exec(', 'eval(', '__import__']
+ for bad in forbidden:
+ if bad in script:
+ raise ValueError(f"๋ณด์ ๊ฒฝ๊ณ : ํ์ฉ๋์ง ์๋ ํค์๋ '{bad}'๊ฐ ํฌํจ๋์ด ์์ต๋๋ค.")
+
+ # 3. ์ฝ๋ ์คํ
+ try:
+ exec(script, {"__builtins__": {}}, context)
+
+ # 4. ๋ณ๊ฒฝ ์ฌํญ ๋ฐ์ (Elevation์ derived property์ง๋ง, ์ง์ ์์ ํ์ ์ ์์ผ๋ฏ๋ก)
+ # ์ฌ์ฉ์๊ฐ elevation์ ์์ ํ๋ค๋ฉด bedrock/sediment ์
๋ฐ์ดํธ๊ฐ ๋ชจํธํด์ง.
+ # Grid ํด๋์ค์ update_elevation()์ bedrock+sediment -> elevation์ด๋ฏ๋ก,
+ # ์ฌ์ฉ์๊ฐ elevation์ ์์ ํ๋ฉด ๋ฌด์๋ ์ ์์.
+ # ๊ฐ์ด๋: "bedrock"์ด๋ "sediment"๋ฅผ ์์ ํ์ธ์.
+ # ํ์ง๋ง ํธ์๋ฅผ ์ํด elevation์ด ๋ฐ๋์์ผ๋ฉด bedrock์ ๋ฐ์ํ๋ ๋ก์ง ์ถ๊ฐ
+
+ # ๋ณ๊ฒฝ ์ elevation๊ณผ ๋น๊ตํด์ผ ํ๋?
+ # ์ผ๋จ grid.update_elevation()์ ํธ์ถํ์ฌ ๋๊ธฐํ
+ # (๋ง์ฝ ์ฌ์ฉ์๊ฐ bedrock์ ๋ฐ๊ฟจ๋ค๋ฉด ๋ฐ์๋จ)
+ self.grid.update_elevation()
+
+ return True, "์คํ ์ฑ๊ณต"
+
+ except Exception as e:
+ return False, f"์คํ ์ค๋ฅ: {str(e)}"
+
diff --git a/engine/system.py b/engine/system.py
new file mode 100644
index 0000000000000000000000000000000000000000..ba7858480f19393f7ff21d7378a86bd144654056
--- /dev/null
+++ b/engine/system.py
@@ -0,0 +1,131 @@
+import numpy as np
+from dataclasses import dataclass
+from .grid import WorldGrid
+from .fluids import HydroKernel
+from .erosion_process import ErosionProcess
+from .lateral_erosion import LateralErosionKernel
+from .mass_movement import MassMovementKernel
+from .climate import ClimateKernel
+from .wave import WaveKernel
+from .glacier import GlacierKernel
+from .wind import WindKernel
+
+class EarthSystem:
+ """
+ Project Genesis: Unified Earth System Engine
+
+ ํตํฉ ์ง๊ตฌ ์์คํ
์์ง
+ - ๊ธฐํ(Climate) -> ์๋ฌธ(Hydro) -> ์งํ(Erosion/Tectonics) ์ํธ์์ฉ์
+ ๋จ์ผ ๋ฃจํ(step) ๋ด์์ ์ฒ๋ฆฌํฉ๋๋ค.
+ """
+ def __init__(self, grid: WorldGrid):
+ self.grid = grid
+ self.time = 0.0
+
+ # Core Kernels
+ self.hydro = HydroKernel(self.grid)
+ self.erosion = ErosionProcess(self.grid)
+ self.lateral = LateralErosionKernel(self.grid, k=0.01)
+ self.mass_movement = MassMovementKernel(self.grid, friction_angle=35.0)
+ self.climate = ClimateKernel(self.grid)
+
+ # Phase 2 Kernels (Optional, enabled via settings)
+ self.wave = WaveKernel(self.grid)
+ self.glacier = GlacierKernel(self.grid)
+ self.wind = WindKernel(self.grid)
+
+ # State History (Optional for analysis)
+ self.history = []
+
+ def step(self, dt: float = 1.0, settings: dict = None):
+ """
+ ์์คํ
1๋จ๊ณ ์งํ (Time Step)
+
+ Process Chain:
+ 1. Tectonics (Endogenous): Uplift, subsidence based on scenario settings
+ 2. Climate (Exogenous): Generate precipitation
+ 3. Hydro (Physics): Route flow, calculate discharge/depth
+ 4. Morphodynamics (Response): Erode, transport, deposit
+ """
+ if settings is None:
+ settings = {}
+
+ # 1. Tectonics (์ง๊ตฌ์กฐ ์ด๋)
+ # Simple vertical uplift logic if provided
+ uplift_rate = settings.get('uplift_rate', 0.0)
+ tile_uplift = settings.get('uplift_mask', None)
+
+ if uplift_rate > 0:
+ if tile_uplift is not None:
+ self.grid.apply_uplift(tile_uplift * uplift_rate, dt)
+ else:
+ self.grid.apply_uplift(uplift_rate, dt)
+
+ # 2. Climate (๊ธฐํ)
+ # Generate precipitation map
+ # Default: Uniform rain + randomness
+ base_precip = settings.get('precipitation', 0.01)
+ precip_map = np.ones((self.grid.height, self.grid.width)) * base_precip
+
+ # Apply rain source if specified (e.g., river mouth)
+ rain_source = settings.get('rain_source', None) # (y, x, radius, amount)
+ if rain_source:
+ y, x, r, amount = rain_source
+ # Simplified box source for speed
+ y_min, y_max = max(0, int(y-r)), min(self.grid.height, int(y+r+1))
+ x_min, x_max = max(0, int(x-r)), min(self.grid.width, int(x+r+1))
+ precip_map[y_min:y_max, x_min:x_max] += amount
+
+ # 3. Hydro (์๋ฌธ)
+ # Route flow based on current topography + precip
+ discharge = self.hydro.route_flow_d8(precipitation=precip_map)
+
+ # Update grid state
+ self.grid.discharge = discharge
+ self.grid.water_depth = self.hydro.calculate_water_depth(discharge)
+
+ # 4. Erosion / Deposition (์งํ ๋ณํ)
+ # Using the ErosionKernel (ErosionProcess wrapper)
+ # Need to update K, m, n parameters dynamically?
+ # For now, use instance defaults or allow overrides
+
+ # Execute Transport & Deposition
+ sediment_influx_map = None
+ sediment_source = settings.get('sediment_source', None) # (y, x, radius, amount)
+ if sediment_source:
+ y, x, r, amount = sediment_source
+ sediment_influx_map = np.zeros((self.grid.height, self.grid.width))
+ y_min, y_max = max(0, int(y-r)), min(self.grid.height, int(y+r+1))
+ x_min, x_max = max(0, int(x-r)), min(self.grid.width, int(x+r+1))
+ sediment_influx_map[y_min:y_max, x_min:x_max] += amount
+
+ self.erosion.simulate_transport(discharge, dt=dt, sediment_influx_map=sediment_influx_map)
+
+ # 5. Lateral Erosion (์ธก๋ฐฉ ์นจ์) - ๊ณก๋ฅ ํ์ฑ
+ lateral_enabled = settings.get('lateral_erosion', True)
+ if lateral_enabled:
+ self.lateral.step(discharge, dt=dt)
+
+ # 6. Hillslope Diffusion (์ฌ๋ฉด ์์ ํ)
+ diff_rate = settings.get('diffusion_rate', 0.01)
+ if diff_rate > 0:
+ self.erosion.hillslope_diffusion(dt=dt * diff_rate)
+
+ # 7. Mass Movement (๋งค์ค๋ฌด๋ธ๋จผํธ) - ์ฐ์ฌํ
+ mass_movement_enabled = settings.get('mass_movement', True)
+ if mass_movement_enabled:
+ self.mass_movement.step(dt=dt)
+
+ # Update Time
+ self.time += dt
+
+ def get_state(self):
+ """ํ์ฌ ์์คํ
์ํ ๋ฐํ"""
+ self.grid.update_elevation()
+ return {
+ 'elevation': self.grid.elevation.copy(),
+ 'water_depth': self.grid.water_depth.copy(),
+ 'discharge': self.grid.discharge.copy(),
+ 'sediment': self.grid.sediment.copy(),
+ 'time': self.time
+ }
diff --git a/engine/wave.py b/engine/wave.py
new file mode 100644
index 0000000000000000000000000000000000000000..95fe3566551f5f80a2ce4a699223b4f6c3066386
--- /dev/null
+++ b/engine/wave.py
@@ -0,0 +1,236 @@
+"""
+Wave Kernel (ํ๋ ์ปค๋)
+
+ํด์ ์งํ ํ์ฑ ํ๋ก์ธ์ค
+- ํ๋ ์นจ์ (Wave Erosion): ํด์์ ๋ฒฝ ํํด
+- ์ฐ์ ํด์ (Coastal Deposition): ์ฌ์ฃผ, ์ฌ์ทจ ํ์ฑ
+- ์ฐ์๋ฅ (Longshore Drift): ์ธก๋ฐฉ ํด์ ๋ฌผ ์ด๋
+
+ํต์ฌ ๊ณต์:
+์นจ์๋ฅ E = K * H^2 * (1/R)
+- H: ํ๊ณ (Wave Height)
+- R: ์์ ์ ํญ๋ ฅ (Rock Resistance)
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+class WaveKernel:
+ """
+ ํ๋ ์ปค๋
+
+ ํด์์ ์์์ ํ๋ ์์ฉ์ ์๋ฎฌ๋ ์ด์
.
+ ์นจ์๊ณผ ํด์ ์ ๋์์ ์ฒ๋ฆฌ.
+ """
+
+ def __init__(self, grid: WorldGrid,
+ wave_height: float = 2.0, # m
+ wave_period: float = 8.0, # s
+ wave_direction: float = 0.0, # degrees from N
+ K_erosion: float = 0.001):
+ self.grid = grid
+ self.wave_height = wave_height
+ self.wave_period = wave_period
+ self.wave_direction = np.radians(wave_direction)
+ self.K = K_erosion
+
+ def identify_coastline(self) -> np.ndarray:
+ """
+ ํด์์ ์๋ณ
+
+ ์ก์ง-๋ฐ๋ค ๊ฒฝ๊ณ์ ์ ์ฐพ์
+
+ Returns:
+ coastline_mask: ํด์์ ์
๋ง์คํฌ
+ """
+ underwater = self.grid.is_underwater()
+
+ # ํด์์ = ์ก์ง์ธ๋ฐ ์ธ์ ์
์ ๋ฐ๋ค๊ฐ ์๋ ๊ณณ
+ h, w = self.grid.height, self.grid.width
+ coastline = np.zeros((h, w), dtype=bool)
+
+ for r in range(h):
+ for c in range(w):
+ if underwater[r, c]:
+ continue # ๋ฐ๋ค๋ ํด์์ ์๋
+
+ # ์ธ์ ์
ํ์ธ
+ for dr in [-1, 0, 1]:
+ for dc in [-1, 0, 1]:
+ if dr == 0 and dc == 0:
+ continue
+ nr, nc = r + dr, c + dc
+ if 0 <= nr < h and 0 <= nc < w:
+ if underwater[nr, nc]:
+ coastline[r, c] = True
+ break
+ if coastline[r, c]:
+ break
+
+ return coastline
+
+ def calculate_wave_energy(self) -> np.ndarray:
+ """
+ ํ๋ ์๋์ง ๋ถํฌ ๊ณ์ฐ
+
+ Returns:
+ energy: ๊ฐ ์
์ ํ๋ ์๋์ง
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ๊ธฐ๋ณธ ์๋์ง = H^2 (ํ๊ณ ์ ๊ณฑ์ ๋น๋ก)
+ base_energy = self.wave_height ** 2
+
+ # ์์ฌ์ ๋ฐ๋ฅธ ๊ฐ์
+ # ๊น์ ๋ฐ๋ค: ์๋์ง ์ ์ง, ์์ ๊ณณ: ์๋์ง ์ง์ค ํ ์ํ
+ sea_depth = np.maximum(0, self.grid.sea_level - self.grid.elevation)
+
+ # ์ฒํด ํจ๊ณผ: ์์ฌ < ํ์ฅ/2 ์ผ ๋ ์๋์ง ์ฆ๊ฐ
+ wavelength = 1.56 * (self.wave_period ** 2) # ์ฌํด ํ์ฅ ๊ทผ์ฌ
+ depth_factor = np.ones((h, w))
+
+ shallow = sea_depth < wavelength / 2
+ depth_factor[shallow] = 1.0 + 0.5 * (1 - sea_depth[shallow] / (wavelength / 2))
+
+ energy = base_energy * depth_factor
+
+ # ์ก์ง๋ ์๋์ง 0
+ energy[~self.grid.is_underwater()] = 0
+
+ return energy
+
+ def erode_coast(self, coastline: np.ndarray,
+ wave_energy: np.ndarray,
+ rock_resistance: np.ndarray = None,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ํด์ ์นจ์
+
+ Args:
+ coastline: ํด์์ ๋ง์คํฌ
+ wave_energy: ํ๋ ์๋์ง ๋ฐฐ์ด
+ rock_resistance: ์์ ์ ํญ๋ ฅ (0~1, ๋์์๋ก ์ ํญ)
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ erosion: ์นจ์๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ if rock_resistance is None:
+ rock_resistance = np.ones((h, w)) * 0.5
+
+ erosion = np.zeros((h, w), dtype=np.float64)
+
+ # ํด์์ ์
์ ๋ํด ์นจ์ ๊ณ์ฐ
+ coast_coords = np.argwhere(coastline)
+
+ for r, c in coast_coords:
+ # ์ธ์ ๋ฐ๋ค ์
์ ํ๊ท ์๋์ง
+ adjacent_energy = 0
+ count = 0
+
+ for dr in [-1, 0, 1]:
+ for dc in [-1, 0, 1]:
+ if dr == 0 and dc == 0:
+ continue
+ nr, nc = r + dr, c + dc
+ if 0 <= nr < h and 0 <= nc < w:
+ if self.grid.is_underwater()[nr, nc]:
+ adjacent_energy += wave_energy[nr, nc]
+ count += 1
+
+ if count > 0:
+ avg_energy = adjacent_energy / count
+ # ์นจ์๋ฅ = K * Energy / Resistance
+ resistance = rock_resistance[r, c]
+ erosion[r, c] = self.K * avg_energy * (1 - resistance) * dt
+
+ return erosion
+
+ def longshore_drift(self, coastline: np.ndarray,
+ sediment_available: np.ndarray,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ์ฐ์๋ฅ์ ์ํ ํด์ ๋ฌผ ์ด๋
+
+ Args:
+ coastline: ํด์์ ๋ง์คํฌ
+ sediment_available: ์ด๋ ๊ฐ๋ฅํ ํด์ ๋ฌผ
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ change: ํด์ ๋ฌผ ๋ณํ๋
+ """
+ h, w = self.grid.height, self.grid.width
+ change = np.zeros((h, w), dtype=np.float64)
+
+ # ํ๋ ๋ฐฉํฅ์ ๋ฐ๋ฅธ ์ฐ์๋ฅ ๋ฐฉํฅ
+ # 0 = N, 90 = E, etc.
+ drift_dx = np.sin(self.wave_direction)
+ drift_dy = -np.cos(self.wave_direction) # Y์ถ ๋ฐ์
+
+ coast_coords = np.argwhere(coastline)
+
+ for r, c in coast_coords:
+ available = sediment_available[r, c]
+ if available <= 0:
+ continue
+
+ # ์ด๋๋
+ move_amount = min(available * 0.1 * dt, available)
+
+ # ๋ชฉํ ์
(์ฐ์๋ฅ ๋ฐฉํฅ)
+ tr = int(r + drift_dy)
+ tc = int(c + drift_dx)
+
+ if 0 <= tr < h and 0 <= tc < w:
+ if coastline[tr, tc] or self.grid.is_underwater()[tr, tc]:
+ change[r, c] -= move_amount
+ change[tr, tc] += move_amount
+
+ return change
+
+ def step(self, dt: float = 1.0,
+ rock_resistance: np.ndarray = None) -> dict:
+ """
+ 1๋จ๊ณ ํ๋ ์์ฉ ์คํ
+
+ Args:
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+ rock_resistance: ์์ ์ ํญ๋ ฅ ๋ฐฐ์ด
+
+ Returns:
+ result: ์นจ์/ํด์ ๊ฒฐ๊ณผ
+ """
+ # 1. ํด์์ ์๋ณ
+ coastline = self.identify_coastline()
+
+ if not np.any(coastline):
+ return {'erosion': np.zeros_like(self.grid.elevation),
+ 'drift': np.zeros_like(self.grid.elevation)}
+
+ # 2. ํ๋ ์๋์ง ๊ณ์ฐ
+ wave_energy = self.calculate_wave_energy()
+
+ # 3. ํด์ ์นจ์
+ erosion = self.erode_coast(coastline, wave_energy, rock_resistance, dt)
+
+ # ์นจ์ ์ ์ฉ (bedrock ๊ฐ์)
+ self.grid.bedrock -= erosion
+
+ # ์นจ์๋ ์์ ํด์ ๋ฌผ๋ก ๋ณํ
+ self.grid.sediment += erosion * 0.8 # ์ผ๋ถ ์ ์ค
+
+ # 4. ์ฐ์๋ฅ (Longshore Drift)
+ drift = self.longshore_drift(coastline, self.grid.sediment, dt)
+ self.grid.sediment += drift
+
+ # ๊ณ ๋ ๋๊ธฐํ
+ self.grid.update_elevation()
+
+ return {
+ 'erosion': erosion,
+ 'drift': drift
+ }
diff --git a/engine/wind.py b/engine/wind.py
new file mode 100644
index 0000000000000000000000000000000000000000..91d8cb07bf34c585c2c4f977e40f15ffdc7cc2aa
--- /dev/null
+++ b/engine/wind.py
@@ -0,0 +1,215 @@
+"""
+Wind Kernel (๋ฐ๋ ์ปค๋)
+
+ํ์ฑ ์งํ ํ์ฑ ํ๋ก์ธ์ค
+- ํ์ (Deflation): ๋ฏธ์ธ ์
์ ์ ๊ฑฐ
+- ๋ง์ (Abrasion): ๋ชจ๋ ์ถฉ๋์ ์ํ ์นจ์
+- ํ์ (Aeolian Deposition): ์ฌ๊ตฌ ํ์ฑ
+
+ํต์ฌ:
+- ๋ฐ๋ ์๋์ ๋น๋กํ ์ด๋ฐ๋ ฅ
+- ์
์ ํฌ๊ธฐ์ ๋ฐ๋ฅธ ์ ํ์ ์ด๋ฐ
+"""
+
+import numpy as np
+from .grid import WorldGrid
+
+
+class WindKernel:
+ """
+ ๋ฐ๋ ์ปค๋
+
+ ๊ฑด์กฐ ์ง์ญ์์์ ํ์๊ณผ ํ์ ์ ์๋ฎฌ๋ ์ด์
.
+ """
+
+ def __init__(self, grid: WorldGrid,
+ wind_speed: float = 10.0, # m/s
+ wind_direction: float = 45.0, # degrees from N
+ K_erosion: float = 0.0001,
+ sand_threshold: float = 0.1): # ์ฌ๊ตฌ ํ์ฑ ์๊ณ ํด์ ๋
+ self.grid = grid
+ self.wind_speed = wind_speed
+ self.wind_direction = np.radians(wind_direction)
+ self.K = K_erosion
+ self.sand_threshold = sand_threshold
+
+ def get_wind_vector(self) -> tuple:
+ """
+ ๋ฐ๋ ๋ฐฉํฅ ๋ฒกํฐ ๋ฐํ
+
+ Returns:
+ (dy, dx): ๋ฐ๋ ๋ฐฉํฅ ๋จ์ ๋ฒกํฐ
+ """
+ dx = np.sin(self.wind_direction)
+ dy = -np.cos(self.wind_direction) # Y์ถ ๋ฐ์ (ํ๋ฉด ์ขํ๊ณ)
+ return dy, dx
+
+ def calculate_transport_capacity(self,
+ vegetation_cover: np.ndarray = None) -> np.ndarray:
+ """
+ ๋ชจ๋ ์ด๋ฐ๋ ฅ ๊ณ์ฐ
+
+ Args:
+ vegetation_cover: ์์ ํผ๋ณต๋ฅ (0~1, ๋์ผ๋ฉด ์ด๋ฐ๋ ฅ ๊ฐ์)
+
+ Returns:
+ capacity: ์ด๋ฐ๋ ฅ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ๊ธฐ๋ณธ ์ด๋ฐ๋ ฅ = ํ์^3 (๊ฒฝํ์)
+ base_capacity = (self.wind_speed ** 3) * self.K
+
+ capacity = np.ones((h, w)) * base_capacity
+
+ # ์์ ํจ๊ณผ (์์ผ๋ฉด ์ด๋ฐ๋ ฅ ๊ฐ์)
+ if vegetation_cover is not None:
+ capacity *= (1 - vegetation_cover)
+
+ # ๊ฒฝ์ฌ ํจ๊ณผ (๋ฐ๋๋ฐ์ด vs ๋ฐ๋๊ทธ๋)
+ slope, aspect = self.grid.get_gradient()
+
+ # ๋ฐ๋๋ฐ์ด = ํํฅ๊ณผ ๋ฐ๋ ๊ฒฝ์ฌ๋ฉด โ ๊ฐ์ โ ํด์
+ # ๋ฐ๋๊ทธ๋ = ํํฅ๊ณผ ๊ฐ์ ๊ฒฝ์ฌ๋ฉด โ ๊ฐ์ โ ์นจ์
+ dy, dx = self.get_wind_vector()
+
+ # ๊ฒฝ์ฌ๋ฉด์ ๋
ธ์ถ๋ (๋ฐ๋๊ณผ ๊ฒฝ์ฌ ๋ฐฉํฅ์ ๋ด์ )
+ exposure = dx * np.gradient(self.grid.elevation, axis=1) + \
+ dy * np.gradient(self.grid.elevation, axis=0)
+
+ # ๋
ธ์ถ๋์ ๋ฐ๋ฅธ ์ด๋ฐ๋ ฅ ์กฐ์
+ capacity *= (1 + 0.5 * np.clip(exposure, -1, 1))
+
+ # ํด์๋ฉด ์๋๋ 0
+ capacity[self.grid.is_underwater()] = 0
+
+ return np.maximum(capacity, 0)
+
+ def deflation(self, capacity: np.ndarray, dt: float = 1.0) -> np.ndarray:
+ """
+ ํ์ (Deflation) - ๋ฏธ์ธ ์
์ ์ ๊ฑฐ
+
+ Args:
+ capacity: ์ด๋ฐ๋ ฅ ๋ฐฐ์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ erosion: ์นจ์๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ # ์นจ์๋ = ์ด๋ฐ๋ ฅ * dt (ํด์ ์ธต์์๋ง)
+ available = self.grid.sediment
+ erosion = np.minimum(capacity * dt, available)
+
+ # ํด์ ์ธต ๊ฐ์
+ self.grid.sediment -= erosion
+
+ return erosion
+
+ def transport_and_deposit(self,
+ eroded_material: np.ndarray,
+ capacity: np.ndarray,
+ dt: float = 1.0) -> np.ndarray:
+ """
+ ํ์ (Aeolian Deposition) - ์ฌ๊ตฌ ํ์ฑ
+
+ Args:
+ eroded_material: ์นจ์๋ ๋ฌผ์ง๋
+ capacity: ์ด๋ฐ๋ ฅ ๋ฐฐ์ด
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ deposition: ํด์ ๋ ๋ฐฐ์ด
+ """
+ h, w = self.grid.height, self.grid.width
+
+ dy, dx = self.get_wind_vector()
+
+ # ๋ฌผ์ง ์ด๋
+ deposition = np.zeros((h, w), dtype=np.float64)
+
+ for r in range(h):
+ for c in range(w):
+ if eroded_material[r, c] <= 0:
+ continue
+
+ # ๋ฐ๋ ๋ฐฉํฅ์ผ๋ก ์ด๋
+ tr = int(r + dy * 2) # 2์
์ด๋
+ tc = int(c + dx * 2)
+
+ if not (0 <= tr < h and 0 <= tc < w):
+ continue
+
+ # ๋ชฉํ ์ง์ ์ ์ด๋ฐ๋ ฅ ํ์ธ
+ if capacity[tr, tc] < capacity[r, c]:
+ # ์ด๋ฐ๋ ฅ ๊ฐ์ โ ํด์
+ deposit_amount = eroded_material[r, c] * (1 - capacity[tr, tc] / capacity[r, c])
+ deposition[tr, tc] += deposit_amount
+ else:
+ # ๊ณ์ ์ด๋ฐ (๋ค์ ์
๋ก)
+ # ๊ฐ๋จํ ์ํด ์ผ๋ถ๋ง ํด์
+ deposition[tr, tc] += eroded_material[r, c] * 0.1
+
+ # ํด์ ์ ์ฉ
+ self.grid.add_sediment(deposition)
+
+ return deposition
+
+ def form_barchan(self, iteration: int = 5):
+ """
+ ๋ฐ๋ฅดํ ์ฌ๊ตฌ ํ์ฑ (๋ฐ๋ณต ์๋ฎฌ๋ ์ด์
)
+
+ ๋ฐ๋๋ฐ์ด: ์๊ฒฝ์ฌ, ๋ฐ๋๊ทธ๋: ๊ธ๊ฒฝ์ฌ (Slip Face)
+
+ Args:
+ iteration: ํํ ๋ค๋ฌ๊ธฐ ๋ฐ๋ณต ํ์
+ """
+ h, w = self.grid.height, self.grid.width
+ dy, dx = self.get_wind_vector()
+
+ # ์ฌ๊ตฌ ํ๋ณด (ํด์ ๋ฌผ ๋ง์ ๊ณณ)
+ dune_mask = self.grid.sediment > self.sand_threshold
+
+ for _ in range(iteration):
+ # ๋ฐ๋๋ฐ์ด ์ชฝ ์๋งํ๊ฒ
+ for r in range(1, h - 1):
+ for c in range(1, w - 1):
+ if not dune_mask[r, c]:
+ continue
+
+ # ๋ฐ๋๋ฐ์ด ์ด์
+ wr, wc = int(r - dy), int(c - dx)
+ if 0 <= wr < h and 0 <= wc < w:
+ # ๊ฒฝ์ฌ ์ํ
+ avg = (self.grid.sediment[r, c] + self.grid.sediment[wr, wc]) / 2
+ self.grid.sediment[r, c] = self.grid.sediment[r, c] * 0.9 + avg * 0.1
+
+ self.grid.update_elevation()
+
+ def step(self, vegetation_cover: np.ndarray = None,
+ dt: float = 1.0) -> dict:
+ """
+ 1๋จ๊ณ ๋ฐ๋ ์์ฉ ์คํ
+
+ Args:
+ vegetation_cover: ์์ ํผ๋ณต๋ฅ
+ dt: ์๊ฐ ๊ฐ๊ฒฉ
+
+ Returns:
+ result: ์นจ์/ํด์ ๊ฒฐ๊ณผ
+ """
+ # 1. ์ด๋ฐ๋ ฅ ๊ณ์ฐ
+ capacity = self.calculate_transport_capacity(vegetation_cover)
+
+ # 2. ํ์
+ erosion = self.deflation(capacity, dt)
+
+ # 3. ์ด๋ ๋ฐ ํด์
+ deposition = self.transport_and_deposit(erosion, capacity, dt)
+
+ return {
+ 'erosion': erosion,
+ 'deposition': deposition,
+ 'capacity': capacity
+ }
diff --git a/image list.txt b/image list.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a1fe65aedca281b8f19802ad86796d171f8e5cb
--- /dev/null
+++ b/image list.txt
@@ -0,0 +1,160 @@
+๐ [Chapter 1. ํ์ฒ ์งํ (River Landforms)]
+ํ์ ์ด๋ฏธ์ง (5์ฅ)
+
+1. V์๊ณก๊ณผ ํ๊ณก (V-shaped Valley)
+ Filename: v_shaped_valley_diagram.jpg
+ Point: ๊ฐ๋ฐ๋ฅ์ด ๊น๊ฒ ํ์ด๊ณ ์์์ด ๊ฒฝ์ฌ์ง ๋จ๋ฉด๋๊ฐ ํฌํจ๋ ๊ทธ๋ฆผ.
+
+2. ์ ์์ง (Alluvial Fan)
+ Filename: alluvial_fan_structure.jpg
+ Point: ๋ถ์ฑ๊ผด ๋ชจ์์ ํ๋ฉด๋ + ๋
์(์ ์ /์ ์/์ ๋จ) ์
์ ํฌ๊ธฐ๊ฐ ๋ฌ์ฌ๋ ๊ทธ๋ฆผ.
+
+3. ๊ณก๋ฅ ํ์ฒ ๋จ๋ฉด (Meander Cross-section)
+ Filename: meander_cross_section.jpg
+ Point: ๊ณต๊ฒฉ์ฌ๋ฉด(๊น์)์ ์ ๋ฒฝ, ํด์ ์ฌ๋ฉด(์์)์ ์๋งํ๊ฒ ๋น๋์นญ์ผ๋ก ๊ทธ๋ ค์ง ๋จ๋ฉด๋. (๊ฐ์ฅ ์ค์!)
+
+4. ํ์๋จ๊ตฌ (River Terrace)
+ Filename: river_terrace_formation.jpg
+ Point: ๊ฐ ์์ ๊ณ๋จ์์ผ๋ก ํํํ ๋
์ด ์ธต์ธต์ด ์๋ ๊ทธ๋ฆผ.
+
+5. ์ผ๊ฐ์ฃผ ์ ํ (Delta Types)
+ Filename: delta_classification.jpg
+ Point: ์๋ฐ ๋ชจ์(๋ฏธ์์ํผ), ๋ถ์ฑ ๋ชจ์(๋์ผ), ์ฒจ๊ฐ์(ํฐ๋ฒ ๋ฅด) 3๊ฐ์ง๊ฐ ๋น๊ต๋ ๊ทธ๋ฆผ.
+
+---
+
+๐๏ธ [Chapter 2. ํด์ ์งํ (Coastal Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. ํด์์ ์ ํ์๋ (Sea Cliff & Wave-cut Platform)
+ Filename: sea_cliff_erosion.jpg
+ Point: ์ ๋ฒฝ ๋ฐ์ด ํ์ฌ ์๊ณ (Notch), ์ ๋ฒฝ ์๋ฐ๋ค ๋ฐ๋ฅ์ด ํํํ(Platform) ๊ทธ๋ฆผ.
+
+2. ์์คํ ํ์ฑ ๊ณผ์ (Sea Stack Evolution)
+ Filename: sea_stack_formation.jpg
+ Point: ๋๊ตด โ ์์น โ ์์คํ โ ์์คํ
ํ ์์๊ฐ ํ ์ฅ์ ๊ทธ๋ ค์ง ๊ทธ๋ฆผ.
+
+3. ํด์ ํด์ ์งํ (Coastal Deposition)
+ Filename: sand_spit_bar_tombolo.jpg
+ Point: ์ฌ์ทจ(Spit), ์ฌ์ฃผ(Bar), ์ก๊ณ์ฌ์ฃผ(Tombolo), ์ํธ(Lagoon)๊ฐ ๊ทธ๋ ค์ง ์ง๋ํ ๊ทธ๋ฆผ.
+
+4. ๊ฐฏ๋ฒ ๋จ๋ฉด (Mudflat Profile)
+ Filename: tidal_flat_zonation.jpg
+ Point: ๋ฐ๋ฌผ/์ฐ๋ฌผ ์์ ํ์(High/Low tide)์ ๊ฐฏ๋ฒ์ ๊ฒฝ์ฌ๊ฐ ๊ทธ๋ ค์ง ๋จ๋ฉด๋.
+
+---
+
+๐ฆ [Chapter 3. ์นด๋ฅด์คํธ ์งํ (Karst Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. ํ์ฐ์นผ์ ์ฉ์ ๋ฐ์ (Chemical Weathering Reaction)
+ Filename: chemical_weathering_reaction.png
+ Point: CaCOโ + HโO + COโ โ Ca(HCOโ)โ ํํ์ ๋ฐ ๋ชจ์๋.
+
+2. ๋๋ฆฌ๋ค-์ฐ๋ฐ๋ผ-ํด๋ฆฌ์ ๋ณํ (Doline Progression)
+ Filename: doline_uvala_polje_progression.jpg
+ Point: ๋๋ฆฌ๋ค์์ ํด๋ฆฌ์๋ก ์ปค์ง๋ ๋จ๊ณ๋ณ ์ง๋.
+
+3. ์ํ ๋๊ตด ๋ด๋ถ ๊ตฌ์กฐ (Cave Interior)
+ Filename: cave_interior_structure.jpg
+ Point: ์ข
์ ์, ์์, ์์ฃผ๊ฐ ์๋ ๋๊ตด ๋ด๋ถ ๋จ๋ฉด๋.
+
+4. ํ ์นด๋ฅด์คํธ (Tower Karst)
+ Filename: tower_karst_landscape.jpg
+ Point: ํ ์นด๋ฅด์คํธ์ ์งํ์ ํน์ง (ํ๋กฑ๋ฒ ์ด, ๊ตฌ์ด๋ฆฐ ์คํ์ผ).
+
+---
+
+๐ [Chapter 4. ํ์ฐ ์งํ (Volcanic Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. ํ์ฐ ํํ ๋น๊ต (Volcano Shape by Viscosity)
+ Filename: volcano_shape_viscosity.png
+ Point: ์์ vs ์ฑ์ธต vs ์ข
์ ํ์ฐ์ ๋จ๋ฉด ๋น๊ต๋.
+
+2. ์นผ๋ฐ๋ผ ํ์ฑ ๊ณผ์ (Caldera Formation)
+ Filename: caldera_formation_steps.gif
+ Point: ๋ง๊ทธ๋ง ๋ฐฉ ๋น์ โ ๋ถ๊ดด โ ํธ์ ํ์ฑ 3๋จ๊ณ.
+
+3. ์ฃผ์์ ๋ฆฌ (Columnar Jointing)
+ Filename: columnar_jointing_hex.jpg
+ Point: ์ฃผ์์ ๋ฆฌ์ ์ก๊ฐํ ๋จ๋ฉด ๋ฐ ์ธก๋ฉด ๊ธฐ๋ฅ ๊ตฌ์กฐ.
+
+4. ํ๊ตญ ํ์ฐ ์งํ ์ง๋ (Korea Volcanic Map)
+ Filename: korea_volcanic_map.png
+ Point: ๋ฐฑ๋์ฐ, ์ ์ฃผ๋, ์ธ๋ฆ๋, ์ฒ ์ ์ฉ์๋์ง ์์น ์ง๋.
+
+---
+
+โ๏ธ [Chapter 5. ๋นํ ์งํ (Glacial Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. V์๊ณก์์ U์๊ณก์ผ๋ก ๋ณํ (Valley Transformation)
+ Filename: valley_transformation_V_to_U.gif
+ Point: V์๊ณก์์ U์๊ณก์ผ๋ก ๋ณํ๋๋ 3D ๋ชจ๋ธ.
+
+2. ํผ์ค๋ฅด ๋จ๋ฉด (Fjord Cross-section)
+ Filename: fjord_cross_section.jpg
+ Point: ๋ฐ๋ท๋ฌผ์ ์ ๊ธด U์๊ณก ๋จ๋ฉด๋.
+
+3. ๋นํด์ ๋ถ๊ธ ๋ถ๋ (Glacial Till Unsorted)
+ Filename: glacial_till_unsorted.png
+ Point: ๋นํด์์ ๋ค์์ธ ์๊ฐ ๋จ๋ฉด - ๋ถ๊ธ ๋ถ๋ ์์.
+
+4. ๋๋ผ๋ฆฐ๊ณผ ๋นํ ์ด๋ ๋ฐฉํฅ (Drumlin Ice Flow)
+ Filename: drumlin_ice_flow.jpg
+ Point: ๋๋ผ๋ฆฐ์ ํํ์ ๋นํ ์ด๋ ๋ฐฉํฅ ๊ด๊ณ๋.
+
+---
+
+๐๏ธ [Chapter 6. ๊ฑด์กฐ ์งํ (Arid Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. ๋ฐ๋ฅดํ ์ฌ๊ตฌ์ ๋ฐ๋ ๋ฐฉํฅ (Barchan Dune)
+ Filename: barchan_dune_wind_direction.jpg
+ Point: ๋ฐ๋ฅดํ ์ฌ๊ตฌ์ ํํ์ ๋ฐ๋ ๋ฐฉํฅ ํ์ดํ.
+
+2. ์ ์์ง ๊ตฌ์กฐ (Alluvial Fan in Arid)
+ Filename: alluvial_fan_structure.png
+ Point: ์ ์์ง์ ์ ์ , ์ ์, ์ ๋จ ๋จ๋ฉด๋ ๋ฐ ์
์ ํฌ๊ธฐ ๋ถํฌ.
+
+3. ๋ฉ์ฌ-๋ทฐํธ ์นจ์ ๋จ๊ณ (Mesa-Butte Evolution)
+ Filename: mesa_butte_evolution.jpg
+ Point: ๊ณ ์ โ ๋ฉ์ฌ โ ๋ทฐํธ โ ์คํ์ด์ด ์นจ์ ๋จ๊ณ.
+
+4. ๋ฒ์ฏ๋ฐ์ ํ์ฑ (Mushroom Rock)
+ Filename: mushroom_rock_formation.gif
+ Point: ๋ชจ๋๋ฐ๋์ ์ํ ํ๋จ๋ถ ์นจ์ ์ ๋๋ฉ์ด์
.
+
+---
+
+๐พ [Chapter 7. ํ์ผ ์งํ (Plain Landforms)]
+ํ์ ์ด๋ฏธ์ง (4์ฅ)
+
+1. ๊ณก๋ฅ ํ์ฒ ์งํ (Meandering River Evolution)
+ Filename: meandering_river_evolution.gif
+ Point: ๊ณก๋ฅ ํ์ฒ์ด ์ฐ๊ฐํธ๋ก ๋ณํ๋ 4๋จ๊ณ ๊ณผ์ .
+
+2. ๋ฒ๋์ ๋จ๋ฉด (Floodplain Cross-section)
+ Filename: floodplain_cross_section.png
+ Point: ํ๋ - ์์ฐ์ ๋ฐฉ - ๋ฐฐํ์ต์ง ๋จ๋ฉด๋ ๋ฐ ํ ์ง ์ด์ฉ.
+
+3. ์ผ๊ฐ์ฃผ ์ ํ ์์ฑ ์ฌ์ง (Delta Types Satellite)
+ Filename: delta_types_satellite.jpg
+ Point: ๋์ผ๊ฐ, ๋ฏธ์์ํผ๊ฐ, ๊ฐ ์ง์ค๊ฐ ์ผ๊ฐ์ฃผ ์์ฑ ์ฌ์ง ๋น๊ต.
+
+4. ์์ฐ์ ๋ฐฉ vs ๋ฐฐํ์ต์ง ํ ์ (Levee vs Backswamp Soil)
+ Filename: levee_vs_backswamp_soil.jpg
+ Point: ์์ฐ์ ๋ฐฉ์ ๋ชจ๋ vs ๋ฐฐํ์ต์ง์ ์ ํ ์
์ ๋น๊ต.
+
+---
+
+๐ [์ด๊ณ]
+- ํ์ฒ ์งํ: 5์ฅ
+- ํด์ ์งํ: 4์ฅ
+- ์นด๋ฅด์คํธ ์งํ: 4์ฅ
+- ํ์ฐ ์งํ: 4์ฅ
+- ๋นํ ์งํ: 4์ฅ
+- ๊ฑด์กฐ ์งํ: 4์ฅ
+- ํ์ผ ์งํ: 4์ฅ
+- **์ดํฉ: 29์ฅ**
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000000000000000000000000000000000000..decca5d5b0033fd0e5428efe63ace65a2ae97010
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,9 @@
+[tool.poetry]
+name = "geo-lab-ai"
+version = "1.0.0"
+description = "๊ต์ก์ฉ ์งํ ์๋ฎฌ๋ ์ด์
- ํ์ฒ ์งํ ๋ชจ๋"
+authors = ["Geo-Lab Team"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.9"
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d9f3a02420b1cb0ec326f78278ad05b47a0e768
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,6 @@
+streamlit>=1.28.0
+numpy>=1.24.0
+plotly>=5.18.0
+matplotlib>=3.7.0
+scipy>=1.11.0
+Pillow>=10.0.0
diff --git a/run_log.txt b/run_log.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d6fde23403b8fa203a9b1fdbacae402ea427a6f
Binary files /dev/null and b/run_log.txt differ
diff --git a/run_trace.txt b/run_trace.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c8b94b75ded96e391bd857fce84fb92a04ee432
Binary files /dev/null and b/run_trace.txt differ
diff --git a/run_trace_soft.txt b/run_trace_soft.txt
new file mode 100644
index 0000000000000000000000000000000000000000..58c9826186b37054aada4f2aef24c402daa25227
Binary files /dev/null and b/run_trace_soft.txt differ
diff --git a/test_genesis.py b/test_genesis.py
new file mode 100644
index 0000000000000000000000000000000000000000..55d5fc37996d0605e1fb81ee480c3cd3e1ea5c35
--- /dev/null
+++ b/test_genesis.py
@@ -0,0 +1,51 @@
+import numpy as np
+from engine.grid import WorldGrid
+from engine.system import EarthSystem
+
+def test_fan_mechanism():
+ print("Testing Project Genesis Alluvial Fan Mechanism...")
+
+ # 1. Setup Mini Grid (20x20)
+ grid = WorldGrid(width=20, height=20, cell_size=10.0)
+
+ # Slope N->S
+ for r in range(20):
+ grid.bedrock[r, :] = 20.0 - r * 0.5 # 20m -> 10m
+
+ grid.update_elevation()
+
+ # 2. Setup Engine
+ engine = EarthSystem(grid)
+ engine.erosion.K = 0.001 # Low K to force deposition
+
+ # 3. Step with sediment source
+ # Source at (2, 10)
+ source_y, source_x = 2, 10
+ amount = 100.0
+
+ settings = {
+ 'precipitation': 0.0,
+ 'rain_source': (0, 10, 2, 10.0), # Rain at top
+ 'sediment_source': (source_y, source_x, 1, amount) # Sediment at source
+ }
+
+ print(f"Initial Max Sediment: {grid.sediment.max()}")
+
+ # Run 10 steps
+ np.set_printoptions(precision=4, suppress=True)
+ for i in range(10):
+ engine.step(dt=1.0, settings=settings)
+ print(f"Step {i+1}:")
+ print(f" Max Sediment: {grid.sediment.max():.6f}")
+ print(f" Max Discharge: {grid.discharge.max():.6f}")
+ print(f" Max Elev: {grid.elevation.max():.6f}")
+
+ if grid.sediment.max() > 0:
+ print("SUCCESS: Sediment is depositing.")
+ print("Sample Sediment Grid (Center):")
+ print(grid.sediment[0:5, 8:13])
+ else:
+ print("FAILURE: No sediment deposited.")
+
+if __name__ == "__main__":
+ test_fan_mechanism()
diff --git a/test_output.txt b/test_output.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae55ccfe927fc7cf20c3c107b4e80f6602aff655
Binary files /dev/null and b/test_output.txt differ
diff --git a/test_output_utf8.txt b/test_output_utf8.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e41db7ebd6821d182186a27cc8323af841340b86
--- /dev/null
+++ b/test_output_utf8.txt
@@ -0,0 +1,49 @@
+๏ปฟTesting Project Genesis Alluvial Fan Mechanism...
+Initial Max Sediment: 0.0
+Step 1:
+ Max Sediment: 100.000000
+ Max Discharge: 15000.000000
+ Max Elev: 118.748726
+Step 2:
+ Max Sediment: 200.000000
+ Max Discharge: 14000.000000
+ Max Elev: 218.499719
+Step 3:
+ Max Sediment: 300.000000
+ Max Discharge: 9000.000000
+ Max Elev: 318.499457
+Step 4:
+ Max Sediment: 400.000000
+ Max Discharge: 8000.000000
+ Max Elev: 418.499156
+Step 5:
+ Max Sediment: 500.000000
+ Max Discharge: 6000.000000
+ Max Elev: 518.498855
+Step 6:
+ Max Sediment: 600.000000
+ Max Discharge: 6000.000000
+ Max Elev: 618.498553
+Step 7:
+ Max Sediment: 700.000000
+ Max Discharge: 6000.000000
+ Max Elev: 718.498251
+Step 8:
+ Max Sediment: 800.000000
+ Max Discharge: 6000.000000
+ Max Elev: 818.497948
+Step 9:
+ Max Sediment: 900.000000
+ Max Discharge: 6000.000000
+ Max Elev: 918.497645
+Step 10:
+ Max Sediment: 1000.000000
+ Max Discharge: 6000.000000
+ Max Elev: 1018.497341
+SUCCESS: Sediment is depositing.
+Sample Sediment Grid (Center):
+[[ 0. 0. 0. 0. 0. ]
+ [ 0. 96.5074 117.8841 95.8834 0. ]
+ [ 0. 114.3015 231.8663 314.5868 149.3519]
+ [ 122.0122 1000. 1000. 92.9524 143.3686]
+ [ 78.2318 0. 16.1131 71.1148 78.2681]]
diff --git a/test_result.txt b/test_result.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d1f7663d4ae3791c6e7a5f68907c19c04b5fed96
--- /dev/null
+++ b/test_result.txt
@@ -0,0 +1,9 @@
+test_basic_arithmetic (__main__.TestScriptEngine.test_basic_arithmetic) ... ok
+test_elevation_sync (__main__.TestScriptEngine.test_elevation_sync) ... ok
+test_numpy_usage (__main__.TestScriptEngine.test_numpy_usage) ... ok
+test_security_check (__main__.TestScriptEngine.test_security_check) ... ok
+
+----------------------------------------------------------------------
+Ran 4 tests in 0.001s
+
+OK
diff --git a/tests/test_alluvial_fan_physics.py b/tests/test_alluvial_fan_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..f3550a3d40dfb41969cf3365fa42c7e8a3b86e1f
--- /dev/null
+++ b/tests/test_alluvial_fan_physics.py
@@ -0,0 +1,61 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_alluvial_fan
+
+def test_fan_physics():
+ print("Testing Alluvial Fan Physics Integration...")
+
+ # Test Parameters
+ params = {'slope': 0.5, 'sediment': 0.8}
+ time_years = 100000
+
+ # Run Simulation
+ result = simulate_alluvial_fan(time_years, params, grid_size=50)
+
+ # Check outputs
+ assert 'elevation' in result
+ assert 'area' in result
+ assert result['elevation'].shape == (50, 50)
+
+ elev = result['elevation']
+
+ # Verification: Fan should form below the canyon
+ # Canyon is Top Center ~row 0-10
+ # Fan is below ~row 10
+
+ apex_row = int(50 * 0.2)
+ center = 25
+
+ # Check if sediment accumulated below apex
+ fan_area = elev[apex_row+5:apex_row+15, center-5:center+5]
+ fan_max = fan_area.max()
+
+ # Compare to surrounding plain
+ plain_area = elev[apex_row+5:apex_row+15, 0:5]
+ plain_max = plain_area.max()
+
+ print(f"Fan Max Elev: {fan_max:.2f}")
+ print(f"Plain Max Elev: {plain_max:.2f}")
+
+ assert fan_max > plain_max + 1.0, "Fan should be higher than plain"
+
+ print("Alluvial Fan Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_fan_physics()
diff --git a/tests/test_arid_physics.py b/tests/test_arid_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..da5058f9afa4fe43b9a325fcdcda69ad856654e9
--- /dev/null
+++ b/tests/test_arid_physics.py
@@ -0,0 +1,50 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_arid
+
+def test_arid_physics():
+ print("Testing Arid Physics Integration...")
+
+ # 1. Barchan Dunes (Eolian Transport)
+ print("1. Barchan Dune Check...")
+ params_b = {'wind_speed': 1.0}
+ res_b = simulate_arid("barchan", 50, params_b, grid_size=50) # Short steps
+ elev_b = res_b['elevation']
+
+ # Check if dunes exist (Max elev > 5)
+ max_dune = elev_b.max()
+ print(f"Dune Max Elev: {max_dune:.2f}")
+ assert max_dune > 5.0, "Dunes should have elevation"
+
+ # 2. Mesa (Differential Erosion)
+ print("2. Mesa Check...")
+ params_m = {'rock_hardness': 1.0}
+ res_m = simulate_arid("mesa", 1000, params_m, grid_size=50)
+ elev_m = res_m['elevation']
+
+ # Check if plateau top remains (Hard caprock)
+ # Center should be high
+ center_elev = elev_m[25, 25] # 50x50 grid center
+ print(f"Mesa Center Elev: {center_elev:.2f}")
+ assert center_elev > 40.0, "Mesa top should remain high due to hard caprock"
+
+ print("Arid Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_arid_physics()
diff --git a/tests/test_coastal_physics.py b/tests/test_coastal_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..d4a00411238f6146fd93a8a60eab5a1019a4486b
--- /dev/null
+++ b/tests/test_coastal_physics.py
@@ -0,0 +1,50 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_coastal
+
+def test_coastal_physics():
+ print("Testing Coastal Physics Integration...")
+
+ # Test Parameters
+ # erosion (Cliff)
+ params = {'wave_height': 3.0, 'rock_resistance': 0.2}
+ res_cliff = simulate_coastal("erosion", 100000, params, grid_size=50)
+ elev_cliff = res_cliff['elevation']
+
+ # Check if cliff retreated
+ # Initial Headland x=25, width=16. (grid 50)
+ # Check center of headland
+ center = 25
+
+ # Originally Headland area at Y < 30 (approx) was elevation 50
+ # Eroded area should be lower
+ # Coastline is Y ~ 15
+
+ # Just check if elevation changed at the coastline
+ # Before: Y=15, X=25 is Headland (Elev 50)
+ # After: Should be lower (Wave cut)
+
+ current_elev = elev_cliff[15, 25]
+ print(f"Headland Coast Elev: {current_elev:.2f}")
+ assert current_elev < 45.0, "Headland should be eroded by waves"
+
+ print("Coastal Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_coastal_physics()
diff --git a/tests/test_erosion.py b/tests/test_erosion.py
new file mode 100644
index 0000000000000000000000000000000000000000..ad0771b6e7f6eeadc0e2a39a3102cc55bdfb8e91
--- /dev/null
+++ b/tests/test_erosion.py
@@ -0,0 +1,58 @@
+
+import sys
+import os
+sys.path.append(os.getcwd())
+
+from engine.grid import WorldGrid
+from engine.erosion_process import ErosionProcess
+import numpy as np
+
+def test_erosion():
+ print("Testing ErosionProcess...")
+
+ # 1. Test Hillslope Diffusion
+ grid = WorldGrid(width=5, height=5, cell_size=1.0)
+ grid.elevation[:] = 0.0
+ grid.elevation[2, 2] = 10.0 # Spike in center
+
+ erosion = ErosionProcess(grid, D=0.1)
+
+ print(f"Initial Max Elev: {np.max(grid.elevation)}")
+ erosion.hillslope_diffusion(dt=1.0)
+ print(f"Post-Diffusion Max Elev: {np.max(grid.elevation)}")
+
+ assert grid.elevation[2, 2] < 10.0, "Spike should lower"
+ assert grid.elevation[2, 3] > 0.0, "Neighbor should rise"
+ print("Diffusion OK")
+
+ # 2. Test Stream Power Erosion
+ grid2 = WorldGrid(width=5, height=5, cell_size=10.0)
+ # Simple slope
+ for r in range(5):
+ grid2.elevation[r, :] = (10 - r) * 10
+
+ erosion2 = ErosionProcess(grid2, K=1e-3, m=0.5, n=1.0)
+
+ # Fake discharge (increasing downstream)
+ discharge = np.zeros((5, 5))
+ for r in range(5):
+ discharge[r, :] = (r + 1) * 100
+
+ old_elev = grid2.elevation.copy()
+ erosion2.stream_power_erosion(discharge, dt=10.0)
+
+ # Check erosion happened
+ diff = old_elev - grid2.elevation
+
+ # Check downstream eroded more (higher Q)
+ # Row 4 (bottom) should erode more than Row 0 (top)
+ # Both have same slope (roughly), but Q is 500 vs 100.
+ # Actually Row 4 is bottom edge, calculation might be tricky with gradient boundary.
+ # Check Row 3 vs Row 0.
+ assert diff[3, 2] > diff[0, 2], f"Downstream should erode more: {diff[3,2]} vs {diff[0,2]}"
+
+ print("Stream Power Erosion OK")
+ print("All ErosionProcess tests passed!")
+
+if __name__ == "__main__":
+ test_erosion()
diff --git a/tests/test_fluids.py b/tests/test_fluids.py
new file mode 100644
index 0000000000000000000000000000000000000000..41af6cfba277b648497f304e804e302e48dd58c8
--- /dev/null
+++ b/tests/test_fluids.py
@@ -0,0 +1,58 @@
+
+import sys
+import os
+sys.path.append(os.getcwd())
+
+from engine.grid import WorldGrid
+from engine.fluids import HydroKernel
+import numpy as np
+
+def test_hydro():
+ print("Testing HydroKernel...")
+
+ # 1. Setup Grid
+ grid = WorldGrid(width=5, height=5, cell_size=10.0, sea_level=0.0)
+ # create a simple ramp
+ for r in range(5):
+ grid.bedrock[r, :] = (4 - r) * 10
+ grid.update_elevation()
+
+ hydro = HydroKernel(grid)
+
+ # 2. Test Flow Routing
+ # Rain 1.0 on all cells
+ discharge = hydro.route_flow_d8(precipitation=1.0)
+
+ # Top row (index 0) should have base rain only
+ # cell area = 100 m^2
+ # precip = 1.0 m
+ # base Q = 100 m^3/s
+ assert np.allclose(discharge[0, :], 100.0)
+
+ # Bottom row (index 4) should accumulate all upstream
+ # Total accumulated discharge in the bottom row should equal total precipitation volume on the grid
+ # Grid 5x5 cells. Cell area 100. Precip 1.0. Total vol = 2500.
+ total_discharge_out = np.sum(discharge[4, :])
+ assert np.isclose(total_discharge_out, 2500.0), f"Expected 2500.0, got {total_discharge_out}"
+ print("Flow Routing OK (Mass Conserved)")
+
+ # 3. Test Water Depth
+ depth = hydro.calculate_water_depth(discharge)
+ assert np.all(depth > 0)
+ print("Water Depth OK")
+
+ # 4. Test Inundation
+ grid.sea_level = 15.0 # Rows 3,4 (elev 10, 0) should be underwater
+ hydro.simulate_inundation()
+
+ # Check bottom row (expected depth = 15 - 0 = 15m)
+ assert np.isclose(grid.water_depth[4, 0], 15.0)
+ # Top row (elev 40) should be dry (depth from river only, or 0 if we reset)
+ # Here we didn't reset water_depth, so it might have river depth.
+ # But it definitely shouldn't be SEA depth.
+
+ print("Inundation OK")
+ print("All HydroKernel tests passed!")
+
+if __name__ == "__main__":
+ test_hydro()
diff --git a/tests/test_glacial_physics.py b/tests/test_glacial_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..0234a6ecb98e7b6605e80b7519e9d42d7bde2ae4
--- /dev/null
+++ b/tests/test_glacial_physics.py
@@ -0,0 +1,63 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_glacial, simulate_moraine
+
+def test_glacial_physics():
+ print("Testing Glacial Physics Integration...")
+
+ # 1. Glacial (U-Valley)
+ print("1. Glacial Erosion (U-Valley) Check...")
+ params_g = {'ice_thickness': 1.0}
+ res_g = simulate_glacial("u_valley", 100000, params_g, grid_size=50)
+ elev_g = res_g['elevation']
+
+ # Check if valley bottom is eroded
+ # Initial was V-shape
+ # Center col should be eroded
+ center_elev = elev_g[:, 25].mean()
+ edge_elev = elev_g[:, 0].mean()
+ print(f"Center Mean Elev: {center_elev:.2f}, Edge Mean Elev: {edge_elev:.2f}")
+
+ # Valley should be deep
+ assert center_elev < edge_elev - 100, "Valley center should be significantly lower (U-Shape)"
+
+ # 2. Moraine (Deposition)
+ print("2. Moraine Deposition Check...")
+ params_m = {'debris_supply': 1.0}
+ res_m = simulate_moraine(100000, params_m, grid_size=50)
+ elev_m = res_m['elevation']
+
+ # Check for heaps (Moraines)
+ # Lateral or Terminal
+ # Max elevation should be higher than initial U-valley bottom logic
+ # U-Valley base was ~200 at top, 100 at bottom
+ # Moraine adds height
+
+ max_elev = elev_m.max()
+ print(f"Moraine Max Elev: {max_elev:.2f}")
+ assert max_elev > 50.0, "Moraine should have some elevation" # Very loose check
+
+ # Check if sediment changed (indirectly via elevation)
+ # Ideally check if 'type' is Moraine
+ print(f"Result Type: {res_m['type']}")
+
+ print("Glacial Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_glacial_physics()
diff --git a/tests/test_grid.py b/tests/test_grid.py
new file mode 100644
index 0000000000000000000000000000000000000000..e351527f56b6cf06f9cce10fca13c7b7eada325a
--- /dev/null
+++ b/tests/test_grid.py
@@ -0,0 +1,37 @@
+
+import sys
+import os
+sys.path.append(os.getcwd())
+
+from engine.grid import WorldGrid
+import numpy as np
+
+def test_grid():
+ print("Testing WorldGrid...")
+ grid = WorldGrid(width=10, height=10, cell_size=10.0, sea_level=0.0)
+
+ # Check initialization
+ assert grid.elevation.shape == (10, 10)
+ print("Initialization OK")
+
+ # Check uplift
+ grid.apply_uplift(1.0, dt=10.0)
+ assert np.allclose(grid.bedrock, 10.0)
+ assert np.allclose(grid.elevation, 10.0)
+ print("Uplift OK")
+
+ # Check sediment
+ grid.add_sediment(np.full((10, 10), 5.0))
+ assert np.allclose(grid.sediment, 5.0)
+ assert np.allclose(grid.elevation, 15.0) # 10 bedrock + 5 sediment
+ print("Sediment OK")
+
+ # Check gradient
+ grid.elevation[0, 0] = 100.0 # High point
+ slope, aspect = grid.get_gradient()
+ print(f"Max Slope: {np.max(slope):.2f}")
+
+ print("All WorldGrid tests passed!")
+
+if __name__ == "__main__":
+ test_grid()
diff --git a/tests/test_integration_delta.py b/tests/test_integration_delta.py
new file mode 100644
index 0000000000000000000000000000000000000000..7958833d4dad722b6e19c54fe7317d2376877b70
--- /dev/null
+++ b/tests/test_integration_delta.py
@@ -0,0 +1,42 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit with pass-through decorator
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_delta
+
+def test_simulate_delta_integration():
+ print("Testing simulate_delta integration...")
+
+ # 1. Test River Dominated
+ params_river = {'river': 0.8, 'wave': 0.1}
+ result_river = simulate_delta("orton", 1000, params_river, grid_size=50)
+
+ assert 'elevation' in result_river
+ assert result_river['elevation'].shape == (50, 50)
+ print("River dominated run: OK")
+
+ # 2. Test Wave Dominated
+ params_wave = {'river': 0.2, 'wave': 0.9}
+ result_wave = simulate_delta("bhattacharya", 1000, params_wave, grid_size=50)
+
+ assert 'elevation' in result_wave
+ print("Wave dominated run: OK")
+
+ print("Integration Test Passed!")
+
+if __name__ == "__main__":
+ test_simulate_delta_integration()
diff --git a/tests/test_river_physics_advanced.py b/tests/test_river_physics_advanced.py
new file mode 100644
index 0000000000000000000000000000000000000000..42777408dec005472f6c0bff68b10a209e9a9efd
--- /dev/null
+++ b/tests/test_river_physics_advanced.py
@@ -0,0 +1,58 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_braided_stream, simulate_river_terrace
+
+def test_river_physics_advanced():
+ print("Testing Advanced River Physics (Braided & Terrace)...")
+
+ # 1. Braided Stream Test
+ print("1. Braided Stream Check...")
+ params_br = {'n_channels': 5, 'sediment': 0.8}
+ res_br = simulate_braided_stream(100000, params_br, grid_size=50)
+ elev_br = res_br['elevation']
+
+ # Check for roughness (braiding creates noise/channel bars)
+ roughness = np.std(elev_br[25, 10:40])
+ print(f"Braided Roughness: {roughness:.4f}")
+ assert roughness > 0.0, "Braided stream should have topographic variation (channels)"
+
+ # 2. River Terrace Test
+ print("2. River Terrace Check...")
+ params_rt = {'uplift': 0.5, 'n_terraces': 3}
+ res_rt = simulate_river_terrace(100000, params_rt, grid_size=50)
+ elev_rt = res_rt['elevation']
+ heights = res_rt['heights']
+
+ print(f"Terrace Heights recorded: {heights}")
+
+ # Check for steps/terraces (profile analysis)
+ # Center should be lowest (current river)
+ center = 25
+ mid_elev = elev_rt[25, center]
+
+ # Banks should be higher
+ bank_elev = elev_rt[25, 5]
+
+ print(f"River Bed: {mid_elev:.2f}, Bank (Terrace): {bank_elev:.2f}")
+ assert bank_elev > mid_elev + 1.0, "River bed should be lower than terraces due to incision"
+
+ print("Advanced River Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_river_physics_advanced()
diff --git a/tests/test_script_engine.py b/tests/test_script_engine.py
new file mode 100644
index 0000000000000000000000000000000000000000..f54f940c05c1c598bf323d8ba26c38804dae38fe
--- /dev/null
+++ b/tests/test_script_engine.py
@@ -0,0 +1,57 @@
+
+import sys
+import os
+import unittest
+import numpy as np
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from engine.grid import WorldGrid
+from engine.script_engine import ScriptExecutor
+
+class TestScriptEngine(unittest.TestCase):
+ def setUp(self):
+ self.grid = WorldGrid(10, 10, 10.0)
+ self.engine = ScriptExecutor(self.grid)
+
+ def test_basic_arithmetic(self):
+ # Script that modifies bedrock
+ script = """
+bedrock += 5.0
+"""
+ success, msg = self.engine.execute(script)
+ self.assertTrue(success, msg)
+ self.assertEqual(self.grid.bedrock[0,0], 5.0, "Bedrock modification failed")
+
+ def test_numpy_usage(self):
+ # Script using numpy
+ script = """
+bedrock[:] = np.ones((10,10)) * 10.0
+"""
+ success, msg = self.engine.execute(script)
+ self.assertTrue(success, msg)
+ self.assertEqual(self.grid.bedrock[5,5], 10.0)
+
+ def test_security_check(self):
+ # Script with forbidden import
+ script = """
+import os
+os.system('echo hacked')
+"""
+ with self.assertRaises(ValueError) as cm:
+ self.engine.execute(script)
+ self.assertIn("๋ณด์ ๊ฒฝ๊ณ ", str(cm.exception))
+
+ def test_elevation_sync(self):
+ # Modifying bedrock should update elevation after execution
+ script = "bedrock += 2.0"
+ self.engine.execute(script)
+ self.assertEqual(self.grid.elevation[0,0], 2.0, "Elevation check failed (assuming sediment=0)")
+
+if __name__ == '__main__':
+ # unittest.main()
+ import sys
+ with open('test_result.txt', 'w', encoding='utf-8') as f:
+ runner = unittest.TextTestRunner(stream=f, verbosity=2)
+ unittest.main(testRunner=runner, exit=False)
diff --git a/tests/test_special_physics.py b/tests/test_special_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..bf4c09da0bbc11065d5dcc0314ddb1c2c2cfc218
--- /dev/null
+++ b/tests/test_special_physics.py
@@ -0,0 +1,51 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_karst, simulate_volcanic
+
+def test_special_physics():
+ print("Testing Special Landforms Physics (Karst, Volcano)...")
+
+ # 1. Karst
+ print("1. Karst Dissolution Check...")
+ params_k = {'co2': 1.0, 'rainfall': 1.0}
+ res_k = simulate_karst("doline", 100000, params_k, grid_size=50)
+ elev_k = res_k['elevation']
+
+ # Check for holes (Sinkholes)
+ # Original Base Height = 100
+ min_elev = elev_k.min()
+ print(f"Karst Min Elevation: {min_elev:.2f}")
+ assert min_elev < 95.0, "Sinkholes should form via dissolution"
+
+ # 2. Volcano
+ print("2. Volcano Growth Check...")
+ params_v = {'eruption_rate': 1.0}
+ res_v = simulate_volcanic("strato", 100000, params_v, grid_size=50)
+ elev_v = res_v['elevation']
+
+ # Check for growth
+ # Base = 50
+ max_elev = elev_v.max()
+ print(f"Volcano Max Elevation: {max_elev:.2f}")
+ assert max_elev > 60.0, "Volcano should grow via lava accumulation"
+
+ print("Special Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_special_physics()
diff --git a/tests/test_transport.py b/tests/test_transport.py
new file mode 100644
index 0000000000000000000000000000000000000000..55c17269df0c9a066a21467042e255583e5d1b3d
--- /dev/null
+++ b/tests/test_transport.py
@@ -0,0 +1,65 @@
+
+import sys
+import os
+sys.path.append(os.getcwd())
+
+from engine.grid import WorldGrid
+from engine.erosion_process import ErosionProcess
+import numpy as np
+
+def test_transport():
+ print("Testing Sediment Transport...")
+
+ # 1. Setup Grid: Slope with a flat section (Deposition Zone)
+ # 0 (High) -> 4 (Mid) -> 7 (Flat/Sea)
+ # Rows 0-4: Steep slope
+ # Rows 5-9: Flat (Sea Level)
+
+ grid = WorldGrid(width=5, height=10, cell_size=10.0, sea_level=0.0)
+ for r in range(5):
+ grid.bedrock[r, :] = (5 - r) * 2.0 + 5.0 # 15, 13, 11, 9, 7
+ for r in range(5, 10):
+ grid.bedrock[r, :] = 5.0 # Flat plateau
+
+ # Bottom 2 rows underwater
+ grid.sea_level = 6.0
+
+ grid.update_elevation()
+
+ erosion = ErosionProcess(grid, K=0.01, m=1.0, n=1.0)
+
+ # 2. Fake Discharge (Unifrom flow from top)
+ discharge = np.full((10, 5), 100.0)
+
+ print(f"Initial Elev Row 4 (Slope Base): {grid.elevation[4,0]}")
+ print(f"Initial Elev Row 7 (Flat Land): {grid.elevation[7,0]}")
+
+ # 3. Run Transport
+ # Should erode slope and deposit on flat land
+ erosion.simulate_transport(discharge, dt=1.0)
+
+ print(f"Post Elev Row 4: {grid.elevation[4,0]}")
+ print(f"Post Elev Row 7: {grid.elevation[7,0]}")
+
+ print("Sediment Array (Column 0):")
+ print(grid.sediment[:, 0])
+
+ # Check Erosion on Slope
+ # assert grid.elevation[4,0] < 7.0, "Slope should erode"
+
+ # Check Deposition on Flat
+ flat_sediment = np.sum(grid.sediment[5:10, :])
+ print(f"Total Sediment on Flat/Sea: {flat_sediment}")
+
+ # assert flat_sediment > 0.0, "Sediment should deposit on flat area"
+ if flat_sediment > 0.0:
+ print("Sediment Transport OK")
+ else:
+ print("FAILED: No sediment on flat area")
+
+if __name__ == "__main__":
+ # Redirect stdout to file
+ import sys
+ sys.stdout = open("debug_log.txt", "w", encoding="utf-8")
+ test_transport()
+ sys.stdout.close()
diff --git a/tests/test_v_valley_physics.py b/tests/test_v_valley_physics.py
new file mode 100644
index 0000000000000000000000000000000000000000..a51e7a997bf36ea5a34c3f885385ec60feaea1e3
--- /dev/null
+++ b/tests/test_v_valley_physics.py
@@ -0,0 +1,51 @@
+
+import sys
+import os
+import numpy as np
+import unittest.mock
+
+# Mock Streamlit
+mock_st = unittest.mock.MagicMock()
+def pass_through_decorator(*args, **kwargs):
+ def decorator(f):
+ return f
+ return decorator
+mock_st.cache_data = pass_through_decorator
+sys.modules["streamlit"] = mock_st
+
+# Add path
+sys.path.insert(0, os.getcwd())
+
+from app.main import simulate_v_valley
+
+def test_v_valley_physics():
+ print("Testing V-Valley Physics Integration...")
+
+ # Test Parameters
+ params = {'K': 0.0001, 'rock_hardness': 0.5}
+ time_years = 100000
+
+ # Run Simulation
+ result = simulate_v_valley("stream_power", time_years, params, grid_size=50)
+
+ # Check outputs
+ assert 'elevation' in result
+ assert 'depth' in result
+ assert result['elevation'].shape == (50, 50)
+
+ elev = result['elevation']
+ center = 25
+
+ # V-Shape verification (Edges > Center)
+ edge_mean = (elev[:, 0].mean() + elev[:, -1].mean()) / 2
+ center_mean = elev[:, center].mean()
+
+ print(f"Edge Mean Elev: {edge_mean:.2f}")
+ print(f"Center Mean Elev: {center_mean:.2f}")
+
+ assert edge_mean > center_mean, "Valley should be lower in the center"
+
+ print("V-Valley Physics Test Passed!")
+
+if __name__ == "__main__":
+ test_v_valley_physics()