Correct Slope

app.py

@@ -240,8 +240,7 @@ def get_dem_slope_maps(ee_geometry, map_bounds, zoom=12, wayback_url=None, wayba
         print(f"Error creating DEM map: {e}")
         dem_map_html = f"<div>Error creating DEM map: {e}</div>"
 
-
-    # --- Slope Map ---
+    # ---Slope Map --- #
     slope_map = gee_folium.Map(zoom_start=zoom)
     if wayback_url:
         slope_map.add_tile_layer(wayback_url, name=wayback_title, attribution="Esri")
@@ -250,8 +249,11 @@ def get_dem_slope_maps(ee_geometry, map_bounds, zoom=12, wayback_url=None, wayba
 
     slope_map_html = "<div>No Slope data available for this area.</div>"
     try:
-        dem_layer = ee.Image("USGS/SRTMGL1_003").resample("bilinear").reproject(crs="EPSG:4326", scale=30)
-        slope_layer = ee.Terrain.slope(dem_layer).clip(ee_geometry)
+        dem_for_slope = ee.Image("USGS/SRTMGL1_003") 
+        
+        # Calculate slope. The result is an image with slope values in degrees.
+        slope_layer = ee.Terrain.slope(dem_for_slope).clip(ee_geometry)
+        
         slope_vis_params = {"min": 0, "max": 60, "palette": ['#00FF00', '#FFFF00', '#FFA500', '#FF0000']}
         slope_map.addLayer(slope_layer, slope_vis_params, "Slope")
         slope_map.add_colorbar(vis_params=slope_vis_params, label="Slope (degrees)")