Add ESRI map overlaid by DEM

app.py

@@ -112,6 +112,8 @@ def add_geometry_to_maps(map_list):
 def get_dem_slope_maps(buffer_ee_geometry):
     # Create the map for DEM
     dem_map = gee_folium.Map()
+    dem_map.add_tile_layer(wayback_mapping[latest_date], name=f"Esri Wayback - {latest_date.replace('-', '/')}", attribution="Esri")
+
     dem_layer = ee.Image("USGS/SRTMGL1_003").clip(buffer_ee_geometry)  
     
     # Generate contour lines using elevation thresholds
@@ -131,6 +133,8 @@ def get_dem_slope_maps(buffer_ee_geometry):
     
     # Create the map for Slope
     slope_map = gee_folium.Map()
+    slope_map.add_tile_layer(wayback_mapping[latest_date], name=f"Esri Wayback - {latest_date.replace('-', '/')}", attribution="Esri")
+
     # Calculate slope from the DEM
     slope_layer = ee.Terrain.slope(ee.Image("USGS/SRTMGL1_003")).clip(buffer_ee_geometry).rename('slope')  
     # Calculate the minimum and maximum values
@@ -486,7 +490,6 @@ if "result" in st.session_state:
     for col, param_map, title in zip(cols, [dem_map, slope_map], ["DEM Map", "Slope Map"]):
         with col:
             add_geometry_to_maps([param_map])
-            param_map.add_tile_layer(wayback_mapping[latest_date], name=f"Esri Wayback - {latest_date.replace('-', '/')}", attribution="Esri")
             write_info(f"""
             <div style="text-align: center;">
                 {title}