update: minor progress

server/map/get_relation.py

@@ -30,8 +30,8 @@ def get_relation(self, body_of_water: str):
         # Divide the length and with of polygon into a grid
         grid_lines = create_grid_coords(polygon, cell_size=0.1)
 
-        hrz_lines = [60.7451]  # Horizontal coordinates
-        vrt_lines = [10.9600]  # Vertical coordinates
+        hrz_lines = [60.7530]  # Horizontal coordinates
+        vrt_lines = [10.8572]  # Vertical coordinates
 
         # Cut polygon into horizontal sections
         for hrz_line in hrz_lines:
@@ -47,9 +47,6 @@ def get_relation(self, body_of_water: str):
             for vrt_line in vrt_lines:
                 cut_poly_2 = cut_polygon_in_two(polygon_part, vrt_line, False)
 
-                if not cut_poly_2[0]:
-                    continue
-
                 divided_map.append(cut_poly_2[0])  # Append part to final list of shapes
 
                 # Set polygon_part to the remaining, un-split, horizontal section for next iteration
@@ -57,6 +54,9 @@ def get_relation(self, body_of_water: str):
 
             polygon = cut_poly_1[1]  # Set polygon to the remaining, un-split shape for next iteration
 
+        # Append last remainder
+        divided_map.append(polygon)
+
     tiles = gpd.GeoDataFrame(geometry=divided_map)
 
     # NB: test plots
@@ -102,13 +102,14 @@ def cut_polygon_in_two(polygon: Polygon, divisor: float, horizontal: bool):
             else:
                 remaining_shape.append(point)
 
-    # Check if polygons have enough coordinates
+    # Check if the split_shape has enough coordinates to create a polygon
     if len(split_shape) < 3:
         print("Not enough coordinates to create valid polygons: Split shape")
         split_shape = None
     else:
         split_shape.append(split_shape[0])  # NB: may not be necessary?
 
+    # Check if the remaining_shape has enough coordinates to create a polygon
     if len(remaining_shape) < 3:
         print("Not enough coordinates to create valid polygons: Remaining shape")
         remaining_shape = None
@@ -121,7 +122,10 @@ def cut_polygon_in_two(polygon: Polygon, divisor: float, horizontal: bool):
 
 # Generate grid of equally spaced x and y coordinates where the grid size is determined by cell_size
 def create_grid_coords(polygon: Polygon, cell_size: float):
+    # Define boundaries of grid
     min_x, min_y, max_x, max_y = polygon.bounds
+
+    # Divide grid into sections of size *cell_size
     x_coords = np.arange(min_x, max_x, cell_size)
     y_coords = np.arange(min_y, max_y, cell_size)