update: part of map in app

server/map/get_relation.py

@@ -49,14 +49,22 @@ def get_relation(self, body_of_water: str):  # NB: implement body_of_water
 
     sub_div_id = 0
     for tile in divided_map[45:60]: # NB temporarily limited to 5 tiles
+
+        # Round coordinates to 4 decimals
         center = round(tile.centroid.coords[0][0], 4), round(tile.centroid.coords[0][1], 4)
+        rounded_coordinates = []
+        for coords in tile.exterior.coords:
+            rounded_coords = (round(coords[0], 4), round(coords[1], 4))
+            rounded_coordinates.append(rounded_coords)
+        rounded_tile = Polygon(rounded_coordinates)
+
         tile_feature = {
             'type': 'Feature',
             'properties': {
                 'sub_div_id': sub_div_id,
                 'sub_div_center': center
             },
-            'geometry': tile.__geo_interface__
+            'geometry': rounded_tile.__geo_interface__
         }
         features.append(tile_feature)
         sub_div_id += 1