diff --git a/world_maker/District.py b/world_maker/District.py
index 61080c9..a6e7628 100644
--- a/world_maker/District.py
+++ b/world_maker/District.py
@@ -128,7 +128,7 @@ class District:
                 return road
         return None
 
-    def generate_roads(self, map_data, random_range=(20, 40)):
+    def generate_roads(self, map_data, random_range=(40, 50)):
         width = {0: self.center_expend.x}
         height = {0: self.center_expend.y}
         self.roads_expend = [Road(self.center_expend, 0, 0)]
diff --git a/world_maker/data_analysis.py b/world_maker/data_analysis.py
index 29a9671..ea71f65 100644
--- a/world_maker/data_analysis.py
+++ b/world_maker/data_analysis.py
@@ -274,12 +274,15 @@ def skeleton_mountain_map(image: str | Image.Image = './world_maker/data/mountai
     return skeleton
 
 
-def smooth_sobel_water() -> Image.Image:
+def smooth_sobel_water(image: str | Image.Image = "./world_maker/data/sobelmap.png") -> Image.Image:
     watermap = handle_import_image("./world_maker/data/watermap.png")
     watermap = filter_negative(
         filter_remove_details(filter_negative(watermap), 5))
-    sobel = handle_import_image("./world_maker/data/sobelmap.png")
-    sobel = filter_remove_details(filter_smooth_theshold(sobel, 1), 2)
+    sobel = handle_import_image(image)
+    sobel = filter_remove_details(filter_smooth_theshold(sobel, 1), 5)
+    sobel_array = np.array(filter_negative(sobel))
+    sobel_array = ndimage.binary_dilation(sobel_array, iterations=3)
+    sobel = filter_negative(Image.fromarray(sobel_array))
     group = group_map(watermap, sobel)
     group = filter_negative(group)
     group.save('./world_maker/data/smooth_sobel_watermap.png')
diff --git a/world_maker/world_maker.py b/world_maker/world_maker.py
index 2e5a7ca..471f4d3 100644
--- a/world_maker/world_maker.py
+++ b/world_maker/world_maker.py
@@ -1,7 +1,7 @@
 from world_maker.World import World
 from PIL import Image
 from world_maker.data_analysis import (get_data, filter_negative, rectangle_2D_to_3D, skeleton_mountain_map, highway_map, filter_sobel, skeleton_highway_map,
-                                       smooth_sobel_water, subtract_map, detect_mountain, filter_smooth, overide_map)
+                                       smooth_sobel_water, subtract_map, detect_mountain, filter_smooth, overide_map, filter_remove_details)
 from world_maker.City import City
 from world_maker.Position import Position
 from random import randint
@@ -12,10 +12,14 @@ def world_maker():
     world = World()
     heightmap, watermap, treemap = get_data(world)
 
+    heightmap_smooth = filter_smooth(heightmap, 4)
+    heightmap_smooth.save('./world_maker/data/heightmap_smooth.png')
+
     filter_sobel(
         "./world_maker/data/heightmap.png").save('./world_maker/data/sobelmap.png')
+    filter_sobel(heightmap_smooth).save('./world_maker/data/sobelmap_from_smooth.png')
 
-    smooth_sobel_water_map = smooth_sobel_water()
+    smooth_sobel_water_map = smooth_sobel_water('./world_maker/data/sobelmap_from_smooth.png')
     skeleton_highway = skeleton_highway_map(highway_map())
 
     city = City()
@@ -27,6 +31,7 @@ def world_maker():
     image_mountain_map = city.get_district_mountain_map()
     road = city.draw_roads(4)
     road.save('./world_maker/data/roadmap.png')
+
     subtract_map(smooth_sobel_water_map, road).save(
         './world_maker/data/city_map.png')
     subtract_map('./world_maker/data/city_map.png',