adding invisible makers

app.py

@@ -108,30 +108,39 @@ def generate_geojson(response):
 
 # Generate static map image
 @spaces.GPU
-def generate_static_map(geojson_data):
+def generate_static_map(geojson_data, bounds=None):
     # Create a static map object with specified dimensions
     m = StaticMap(600, 600)
     
+    if bounds:
+        # If bounds are provided, set the center of the map
+        center_lat = (bounds[0][0] + bounds[1][0]) / 2
+        center_lng = (bounds[0][1] + bounds[1][1]) / 2
+        zoom = 10  # Adjust zoom level as needed
+        m.set_center(center_lat, center_lng, zoom)
+    
+    # Check if there are no features to avoid an empty map
+    if not geojson_data["features"]:
+        # Add a small invisible marker to prevent rendering error
+        m.add_marker(CircleMarker((0.0, 0.0), '#FFFFFF', 0))  # White marker with size 0
+
     # Process each feature in the GeoJSON
     for feature in geojson_data["features"]:
         geom_type = feature["geometry"]["type"]
         coords = feature["geometry"]["coordinates"]
 
         if geom_type == "Point":
-            # Add a blue marker for Point geometries
             m.add_marker(CircleMarker((coords[0], coords[1]), 'blue', 10))
         elif geom_type in ["MultiPoint", "LineString"]:
-            # Add a red marker for each point in MultiPoint or LineString geometries
             for coord in coords:
                 m.add_marker(CircleMarker((coord[0], coord[1]), 'blue', 10))
         elif geom_type in ["Polygon", "MultiPolygon"]:
-            # Add green polygons for Polygon or MultiPolygon geometries
             for polygon in coords:
                 m.add_polygon(Polygon([(c[0], c[1]) for c in polygon], 'blue', 3))
-    
-    # Render the static map and return the Pillow Image object
+
     return m.render(zoom=10)
 
+
 # ControlNet pipeline setup
 controlnet = ControlNetModel.from_pretrained("lllyasviel/control_v11p_sd15_inpaint", torch_dtype=torch.float16)
 pipeline = StableDiffusionControlNetInpaintPipeline.from_pretrained(