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| import re | |
| from typing import Union | |
| import folium | |
| import pandas as pd | |
| from folium import plugins | |
| import streamlit as st | |
| EPICENTER_LOCATION = [31.12210171476489, -8.42945837915193] | |
| BORDER_COLOR = "black" | |
| DOUARS_URL = "data/regions.json" | |
| # @st.cache_resource | |
| def parse_gg_sheet(url): | |
| print("Parsing Google Sheet:", url) | |
| url = url.replace("edit#gid=", "export?format=csv&gid=") | |
| df = pd.read_csv(url, on_bad_lines="warn") | |
| return df | |
| def parse_json_file(url): | |
| df = pd.read_json(url) | |
| df = pd.json_normalize(df.douars) | |
| return df | |
| douar_df = parse_json_file(DOUARS_URL) | |
| def is_request_in_list(request, selection_list, options): | |
| if isinstance(request, float): # Check if the input is a float (like NaN) | |
| return False | |
| if "," in request: | |
| all_requests = [r.strip() for r in request.split(",")] | |
| else: | |
| all_requests = [request] | |
| # If at least one of the requests is not in the options or in the selection list, return True | |
| for r in all_requests: | |
| if r not in options: | |
| return True | |
| if r in selection_list: | |
| return True | |
| return False | |
| def marker_request(request): | |
| # in case of multiple requests we use the first one for the marker's icon | |
| # requests are already sorted by priority from the form | |
| try: | |
| displayed_request = request.split(',')[0] | |
| except: | |
| displayed_request = request | |
| return displayed_request | |
| def add_latlng_col(df, process_column: Union[str, int]): | |
| """Add a latlng column to the dataframe""" | |
| if isinstance(process_column, str): | |
| df["latlng"] = df[process_column].apply(parse_latlng) | |
| elif isinstance(process_column, int): | |
| df["latlng"] = df.iloc[:, process_column].apply(parse_latlng) | |
| else: | |
| raise ValueError(f"process_column should be a string or an integer, got {type(process_column)}") | |
| return df | |
| # parse latlng (column 4) to [lat, lng] | |
| def parse_latlng(latlng): | |
| if pd.isna(latlng): | |
| return None | |
| # lat, lng = latlng.split(",") | |
| # return [float(lat), float(lng)] | |
| try: | |
| # check if it matches (30.9529832, -7.1010705) or (30.9529832,-7.1010705) | |
| if re.match(r"\(\d+\.\d+,\s?-\d+\.\d+\)", latlng): | |
| lat, lng = latlng[1:-1].split(",") | |
| return [float(lat), float(lng)] | |
| # check of it matches 30.9529832, -7.1010705 or 30.9529832,-7.1010705 | |
| elif re.match(r"\d+\.\d+,\s?-\d+\.\d+", latlng): | |
| lat, lng = latlng.split(",") | |
| return [float(lat), float(lng)] | |
| # check if it matches 30,9529832, -7,1010705 or 30,9529832,-7,1010705, match1=30,9529832 and match2=-7,1010705 | |
| elif re.match(r"\d+,\d+,\s?-\d+,\d+", latlng): | |
| d1, d2, d3, d4 = latlng.split(",") | |
| return [float(".".join([d1, d2])), float(".".join([d3, d4]))] | |
| except Exception as e: | |
| print(f"Error parsing latlng: {latlng} Reason: {e}") | |
| return None | |
| print(f"Error parsing latlng: {latlng}") | |
| return None | |
| def add_epicentre_to_map(fg): | |
| # Removed the spinner to not confuse the users as the map is already loaded | |
| icon_epicentre = folium.plugins.BeautifyIcon( | |
| icon='star', | |
| border_color='#b3334f', | |
| background_color='#b3334f', | |
| text_color='white' | |
| ) | |
| fg.add_child(folium.Marker(location=EPICENTER_LOCATION, | |
| # popup="Epicenter مركز الزلزال", | |
| tooltip="Epicenter مركز الزلزال", | |
| icon=icon_epicentre)) | |
| def add_danger_distances_to_map(map_obj): | |
| Danger_Distances_group = folium.FeatureGroup(name='Danger distances - earthquake magnitude 7 | مسافات الخطر - قوة الزلازل 7').add_to(map_obj) | |
| zones = [ | |
| {"radius": 100000, "fill_opacity": 0.1, "weight": 1, "fill_color": "yellow", "tooltip": "50 to 100 km - Moderate risk area | منطقة خطر معتدلة"}, | |
| {"radius": 50000, "fill_opacity": 0.1, "weight": 1, "fill_color": "orange", "tooltip": "30 to 50 km - High risk zone | منطقة عالية المخاطر"}, | |
| {"radius": 30000, "fill_opacity": 0.2, "weight": 1, "fill_color": "#FF0000", "tooltip": "10 to 30 km - Very high risk zone | منطقة شديدة الخطورة"}, | |
| {"radius": 10000, "fill_opacity": 0.2, "weight": 0.2, "fill_color": "#8B0000", "tooltip": "0 to 10km - direct impact zone | منطقة التأثير المباشر"} | |
| ] | |
| for zone in zones: | |
| folium.Circle( | |
| location=EPICENTER_LOCATION, | |
| radius=zone["radius"], | |
| color=BORDER_COLOR, | |
| weight=zone["weight"], | |
| fill_opacity=zone["fill_opacity"], | |
| opacity=zone["fill_opacity"], # Assuming border opacity should match fill_opacity | |
| fill_color=zone["fill_color"], | |
| # tooltip=zone["tooltip"], | |
| ).add_to(Danger_Distances_group) | |
| def add_village_names(douar_df, map_obj): | |
| village_fgroup = folium.FeatureGroup(name='🔵 All the Villages / Tous les villages / جميع القرى', show=False).add_to(map_obj) | |
| for _, row in douar_df.iterrows(): | |
| lat = row['lat'] | |
| lng = row['lng'] | |
| lat_lng = (lat, lng) | |
| dour_name = row['name'].capitalize() | |
| maps_url = f"https://maps.google.com/?q={lat_lng}" | |
| display_text = f'<br><b>⛰️ Douar:</b> {dour_name}<br><a href="{maps_url}" target="_blank" rel="noopener noreferrer"><b>🧭 Google Maps</b></a>' | |
| folium.CircleMarker( | |
| location=[lat, lng], | |
| radius=0.1, | |
| tooltip = dour_name, # we might remove the tooltip to avoid crowding the map | |
| popup=folium.Popup(display_text, max_width=200), | |
| color= "#0046C8", | |
| opacity = 0.7 | |
| ).add_to(village_fgroup) | |
| def init_map(): | |
| m = folium.Map( | |
| location=[31.228674, -7.992047], | |
| zoom_start=8.5, | |
| min_zoom=8.5, | |
| max_lat=35.628674, | |
| min_lat=29.628674, | |
| max_lon=-4.992047, | |
| min_lon=-10.992047, | |
| max_bounds=True, | |
| ) | |
| # Add a search bar to the map | |
| geocoder = plugins.Geocoder( | |
| collapsed=False, | |
| position="topright", | |
| placeholder="Search | البحث", | |
| ) | |
| m.add_child(geocoder) | |
| # Add Fullscreen button to the map | |
| fullscreen = plugins.Fullscreen( | |
| position="topright", | |
| title="Expand me | تكبير الخريطة", | |
| title_cancel="Exit me | تصغير الخريطة", | |
| force_separate_button=True, | |
| ) | |
| m.add_child(fullscreen) | |
| # Satellite View from Mapbox | |
| tileurl = "https://marocmap.ikiker.com/maroc/{z}/{x}/{y}.png" | |
| folium.TileLayer( | |
| tiles=tileurl, | |
| attr="Maroc Map", | |
| name="Maroc Map", | |
| overlay=False, | |
| control=False, | |
| ).add_to(m) | |
| # Add danger zones | |
| add_epicentre_to_map(m) | |
| add_danger_distances_to_map(m) | |
| add_village_names(douar_df, m) | |
| # Add a LayerControl to the map to toggle between layers (Satellite View and Default One) | |
| folium.LayerControl().add_to(m) | |
| # Add detect location button | |
| plugins.LocateControl( | |
| position="topleft", | |
| drawCircle=False, | |
| flyTo=True, | |
| strings={"title": "My location | موقعي", "popup": "My location | موقعي"}, | |
| ).add_to(m) | |
| return m | |