show buffer correctly

app.py

@@ -361,6 +361,8 @@ ee_geometry = ee.Geometry(geometry_gdf.to_crs(4326).geometry.item().__geo_interf
 ee_feature_collection = ee.FeatureCollection(ee_geometry)
 buffer_ee_geometry = ee.Geometry(buffer_geometry_gdf.to_crs(4326).geometry.item().__geo_interface__)
 buffer_ee_feature_collection = ee.FeatureCollection(buffer_ee_geometry)
+outer_ee_geometry = ee.Geometry(outer_geometry_gdf.to_crs(4326).geometry.item().__geo_interface__)
+outer_ee_feature_collection = ee.FeatureCollection(outer_ee_geometry)
 
 # visualize the geometry
 m = leaf_folium.Map()
@@ -550,7 +552,7 @@ if "result" in st.session_state:
     )
     cols = st.columns(2)
     dem_map, slope_map = get_dem_slope_maps(
-        ee.Geometry(buffer_geometry_gdf.to_crs(4326).geometry.item().__geo_interface__)
+        ee.Geometry(outer_geometry_gdf.to_crs(4326).geometry.item().__geo_interface__)
     )
     for col, param_map, title in zip(cols, [dem_map, slope_map], ["DEM Map", "Slope Map"]):
         with col: