update: minor improvement to point addition

server/map/get_relation.py

@@ -112,16 +112,16 @@ def cut_polygon_in_two(polygon: Polygon, divisor: float, cell_size: float):
 
         if len(split_shape) > 2:
             # Get last point added to
-            last_point = split_shape[len(split_shape)-1]
+            last_point = split_shape[len(split_shape)-2]
             # Get length of the newly created edge
-            new_edge_len = last_point.x - split_shape[0].x - 0.0001
+            new_edge_len = abs(last_point.x - split_shape[0].x)
             print("new_edge_len: ", new_edge_len, "    cell_size: ", cell_size)
+            x_val = new_edge_len-cell_size
 
             # Add points along the new edge to allow horizontal sections to be split into vertical ones
             while new_edge_len > cell_size:
-                print("Hit")
-                split_shape.append((new_edge_len-cell_size, last_point.y))
-                remaining_shape.append((new_edge_len-cell_size, last_point.y))
+                split_shape.insert(0, (x_val, last_point.y)) # NB may have to add/subtract small offset of 0.00001
+                remaining_shape.insert(0, (x_val, last_point.y))  # Prepend
                 new_edge_len -= cell_size
 
     else:  # Vertical split