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| import leafmap.foliumap as leafmap | |
| import pandas as pd | |
| import streamlit as st | |
| def app(): | |
| st.title("Add Points from XY") | |
| sample_url = "https://raw.githubusercontent.com/giswqs/leafmap/master/examples/data/world_cities.csv" | |
| url = st.text_input("Enter URL:", sample_url) | |
| m = leafmap.Map(locate_control=True, plugin_LatLngPopup=False) | |
| if url: | |
| try: | |
| df = pd.read_csv(url) | |
| columns = df.columns.values.tolist() | |
| row1_col1, row1_col2, row1_col3, row1_col4, row1_col5 = st.columns( | |
| [1, 1, 3, 1, 1] | |
| ) | |
| lon_index = 0 | |
| lat_index = 0 | |
| for col in columns: | |
| if col.lower() in ["lon", "longitude", "long", "lng"]: | |
| lon_index = columns.index(col) | |
| elif col.lower() in ["lat", "latitude"]: | |
| lat_index = columns.index(col) | |
| with row1_col1: | |
| x = st.selectbox("Select longitude column", columns, lon_index) | |
| with row1_col2: | |
| y = st.selectbox("Select latitude column", columns, lat_index) | |
| with row1_col3: | |
| popups = st.multiselect("Select popup columns", columns, columns) | |
| with row1_col4: | |
| heatmap = st.checkbox("Add heatmap") | |
| if heatmap: | |
| with row1_col5: | |
| if "pop_max" in columns: | |
| index = columns.index("pop_max") | |
| else: | |
| index = 0 | |
| heatmap_col = st.selectbox("Select heatmap column", columns, index) | |
| try: | |
| m.add_heatmap(df, y, x, heatmap_col) | |
| except: | |
| st.error("Please select a numeric column") | |
| try: | |
| m.add_points_from_xy(df, x, y, popups) | |
| except: | |
| st.error("Please select a numeric column") | |
| except Exception as e: | |
| st.error(e) | |
| m.to_streamlit() | |