Replace with st_folium

src/streamlit_app.py

@@ -611,59 +611,28 @@ if 'date' in df.columns:
 if 'latitude' in df.columns and 'longitude' in df.columns:
     st.markdown('🗺️ Observation Locations on Map')
     try:
-        coords = (
-            df[['latitude', 'longitude']]
-            .apply(pd.to_numeric, errors='coerce')
-            .dropna()
-            .rename(columns={'latitude': 'lat', 'longitude': 'lon'})
-        )
-        coords = coords[
-            (coords['lat'].between(-90, 90)) &
-            (coords['lon'].between(-180, 180))
-        ]
+        coords = df[['latitude', 'longitude']].dropna()
+        coords = coords[(coords['latitude'].between(-90, 90)) & (coords['longitude'].between(-180, 180))]
+        
         if len(coords) == 0:
-            st.warning('⚠️ No valid coordinates to plot on the map.')
+            raise Exception('⚠️ No valid coordinates to plot on the map.')
         else:
-            # ---------- ① 视图 ----------
-            try:
-                vs_tmp = pdk.data_utils.compute_view(coords[['lon', 'lat']])
-                view_state = (
-                    pdk.ViewState(**vs_tmp, pitch=0, bearing=0)
-                    if isinstance(vs_tmp, dict) else vs_tmp
-                )
-                view_state.pitch = 0
-                view_state.bearing = 0
-            except Exception:
-                view_state = pdk.ViewState(
-                    latitude=coords['lat'].mean(),
-                    longitude=coords['lon'].mean(),
-                    zoom=5,
-                    pitch=0,
-                    bearing=0,
-                )
-
-            # ---------- ② 高亮层 ----------
-            layer = pdk.Layer(
-                'ScatterplotLayer',
-                data=coords,
-                get_position='[lon, lat]',
-                get_radius=50000,
-                get_fill_color=[0, 255, 0, 200],
-                get_line_color=[255, 255, 255],
-                line_width_units='pixels',
-                get_line_width=2,
-                pickable=True,
-                auto_highlight=True,
-            )
-
-            # ---------- ③ 组合 Deck ----------
-            deck = pdk.Deck(
-                layers=[layer],
-                initial_view_state=view_state,
-                map_style='mapbox://styles/mapbox/light-v11',
-                tooltip={'html': '<b>Lat:</b> {lat}<br/><b>Lon:</b> {lon}'},
-            )
-            st.pydeck_chart(deck)
+            # 计算中心点
+            center = [coords['latitude'].mean(), coords['longitude'].mean()]
+            m = folium.Map(location=center, zoom_start=5)
+        
+            # 添加散点
+            for _, row in coords.iterrows():
+                folium.CircleMarker(
+                    location=[row['latitude'], row['longitude']],
+                    radius=5,
+                    color='green',
+                    fill=True,
+                    fill_color='green',
+                    fill_opacity=0.7,
+                ).add_to(m)
+        
+            st_folium(m, width=700, height=500)
     except Exception as e:
         st.warning(f'⚠️ Could not render map: {e}')
 """