Add grid generation

main.py

@@ -3,17 +3,23 @@ import random
 import gdpc.exceptions
 
 from world_maker.world_maker import *
+from world_maker.Skeleton import Skeleton, transpose_form_heightmap, simplify_coordinates
+from networks.geometry.Point3D import Point3D
+from networks.roads_2.Road import Road
+from world_maker.District import Road as Road_grid
 from House import *
 
 
 def main():
 
-    rectangle_house_mountain, rectangle_building, skeleton_highway, skeleton_mountain = world_maker()
+    rectangle_house_mountain, rectangle_building, skeleton_highway, skeleton_mountain, road_grid = world_maker()
 
     editor = Editor(buffering=True)
     buildArea = editor.getBuildArea()
 
-    print(skeleton_mountain.lines)
+    set_roads(skeleton_mountain)
+    set_roads(skeleton_highway)
+    set_roads_grids(road_grid)
 
     blocks = {
         "wall": "blackstone",
@@ -43,6 +49,46 @@ def main():
         house.build()
 
 
+def set_roads_grids(road_grid: Road_grid):
+    for i in range(len(road_grid)):
+        if road_grid[i].border:
+            for j in range(len(road_grid)):
+                # Same line
+                if (road_grid[i].position.x == road_grid[j].position.x and road_grid[i].position.y != road_grid[j].position.y) or (road_grid[i].position.x != road_grid[j].position.x and road_grid[i].position.y == road_grid[j].position.y):
+                    point_1 = transpose_form_heightmap(
+                        './world_maker/data/heightmap.png', (road_grid[i].position.x, road_grid[i].position.y))
+                    point_2 = transpose_form_heightmap(
+                        './world_maker/data/heightmap.png', (road_grid[j].position.x, road_grid[j].position.y))
+                    Road(
+                        [Point3D(point_1[0], point_1[1], point_1[2]), Point3D(point_2[0], point_2[1], point_2[2])], 9)
+
+
+def set_roads(skeleton: Skeleton):
+    # Parsing
+    print("[Roads] Start parsing...")
+    for i in range(len(skeleton.lines)):
+        print(f"[Roads] Parsing skeleton {i+1}/{len(skeleton.lines)}.")
+        for j in range(len(skeleton.lines[i])):
+            xyz = transpose_form_heightmap('./world_maker/data/heightmap.png',
+                                           skeleton.coordinates[skeleton.lines[i][j]])
+            skeleton.lines[i][j] = xyz
+
+    print("[Roads] Start simplification...")
+    # Simplification
+    for i in range(len(skeleton.lines)):
+        print(f"[Roads] Simplify skelton {i+1}/{len(skeleton.lines)}")
+        skeleton.lines[i] = simplify_coordinates(skeleton.lines[i], 10)
+
+    print("[Roads] Start generation...")
+    for i in range(len(skeleton.lines)):
+        print(f"[Roads] Generating roads {i+1}/{len(skeleton.lines)}.")
+        if len(skeleton.lines[i]) >= 4:
+            Road(Point3D.from_arrays(skeleton.lines[i]), 25)
+        else:
+            print(
+                f"[Roads] Ignore roads {i+1} with {len(skeleton.lines[i])} coordinates between {skeleton.lines[i][1]} and {skeleton.lines[i][-1]}.")
+
+
 if __name__ == '__main__':
     main()
 

networks/geometry/Polyline.py

@@ -28,6 +28,9 @@ class Polyline:
         self.length_polyline = len(self.points_array)
 
         if self.length_polyline < 4:
+            print(self.length_polyline)
+            print(self.points_array)
+            print(self.output_points)
             raise ValueError("The list must contain at least 4 elements.")
 
         self.vectors = [None] * self.length_polyline  # v

networks/geometry/Segment3D.py

@@ -22,6 +22,8 @@ class Segment3D:
 
         >>> Segment3D(Point3D(0, 0, 0), Point3D(10, 10, 15))
         """
+        start = self.start.copy()
+        end = self.end.copy()
         self.output_points.append(start.copy())
         dx = abs(self.end.x - self.start.x)
         dy = abs(self.end.y - self.start.y)

networks/roads_2/Road.py

@@ -4,6 +4,8 @@ from networks.geometry.Polyline import Polyline
 
 from networks.geometry.Point3D import Point3D
 from networks.geometry.Point2D import Point2D
+from networks.geometry.Segment2D import Segment2D
+from networks.geometry.Segment3D import Segment3D
 from networks.geometry.Circle import Circle
 from Enums import LINE_THICKNESS_MODE
 from gdpc import Block, Editor
@@ -11,21 +13,45 @@ from gdpc import Block, Editor
 
 class Road:
     def __init__(self, coordinates: List[Point3D], width: int):
-        self.coordinates = coordinates
+        self.coordinates = self._remove_collinear_points(coordinates)
         self.output_block = []
         # with open(road_configuration) as f:
         #     self.road_configuration = json.load(f)
         #     self.width = self.road_configuration["width"]
         self.width = width
         self.polyline_height = None
+        self.polyline_total_line_output = None
+        self.segment_total_line_output = None
+        self.index_factor = 0
 
+        if len(self._remove_collinear_points(self.coordinates)) >= 4:
             self.polyline = Polyline(Point3D.to_2d(coordinates, 'y'))
             self.polyline_total_line_output = [
                 [] for _ in range(len(self.polyline.total_line_output))]
-        self.index_factor = 0
 
-        self._projection()
-        self._surface()
+            self._projection_polyline()
+
+        if len(self.coordinates) == 2:
+            self.segment_total_line_output = Segment2D(
+                Point3D.to_2d([self.coordinates[0]], 'y')[0], Point3D.to_2d([self.coordinates[1]], 'y')[0]).segment_thick(self.width, LINE_THICKNESS_MODE.MIDDLE)
+            self._projection_segment()
+            self.place()
+
+    @staticmethod
+    def _remove_collinear_points(points):
+        output_points = [points[0]]
+
+        for i in range(1, len(points) - 1):
+            if isinstance(points[0], Point3D):
+                if not Point2D.collinear(
+                        Point3D.to_2d([points[i-1]], 'y')[0], Point3D.to_2d([points[i]], 'y')[0], Point3D.to_2d([points[i+1]], 'y')[0]):
+                    output_points.append(points[i])
+            else:
+                if not Point2D.collinear(points[i-1], points[i], points[i+1]):
+                    output_points.append(points[i])
+
+        output_points.append(points[-1])
+        return output_points
 
     def _surface(self):
         # Segments
@@ -60,7 +86,7 @@ class Road:
                         (Point3D.insert_3d([circle.points_thick[j]], 'y', [
                             self.polyline_total_line_output[nearest[0]].y])[0].coordinates, Block("white_concrete")))
 
-    def _projection(self):
+    def _projection_polyline(self):
         nearest_points_to_reference = []
         for i in range(len(self.coordinates)):
             # nearest_points_to_reference.append(Point3D.insert_3d([Point3D.to_2d([self.coordinates[i]], 'y')[0].nearest(
@@ -70,6 +96,7 @@ class Road:
             nearest_points_to_reference.append(
                 Point2D(index, self.coordinates[i].y))
 
+        if len(self._remove_collinear_points(nearest_points_to_reference)) >= 4:
             self.polyline_height = Polyline(nearest_points_to_reference)
 
             self.index_factor = len(
@@ -79,8 +106,20 @@ class Road:
                 self.polyline_total_line_output[i] = Point3D(
                     self.polyline.total_line_output[i].x, self.polyline_height.total_line_output[round(i*self.index_factor)].y, self.polyline.total_line_output[i].y)
 
-        self.polyline_total_line_output = self.polyline_total_line_output[0].optimized_path(
-            self.polyline_total_line_output)
+            self._surface()
+            self.place()
+        # self.polyline_total_line_output = self.polyline_total_line_output[0].optimized_path(
+        #     self.polyline_total_line_output)
+
+    def _projection_segment(self):
+        s = Segment3D(
+            self.coordinates[0], self.coordinates[1])
+
+        reference = s.segment()
+
+        for i in range(len(self.segment_total_line_output)):
+            self.output_block.append(((
+                self.segment_total_line_output[i].x, reference[self.segment_total_line_output[i].nearest(Point3D.to_2d(reference, 'y'), True)[0]].y, self.segment_total_line_output[i].y), Block("black_concrete")))
 
     def place(self):
         editor = Editor(buffering=True)

world_maker/Skeleton.py

@@ -3,11 +3,11 @@ from collections import Counter
 from typing import List, Union
 
 import numpy as np
+from gdpc import Editor
 from PIL import Image, ImageDraw
 from skan.csr import skeleton_to_csgraph
 from skimage.morphology import skeletonize
-
-from gdpc import Editor
+from networks.geometry.Point3D import Point3D
 
 
 def handle_import_image(image: Union[str, Image]) -> Image:
@@ -16,6 +16,51 @@ def handle_import_image(image: Union[str, Image]) -> Image:
     return image
 
 
+def transpose_form_heightmap(heightmap: Union[str, Image], coordinates):
+    heightmap = handle_import_image(heightmap).convert('L')
+
+    editor = Editor()
+    xMin = (editor.getBuildArea().begin).x
+    zMin = (editor.getBuildArea().begin).z
+
+    return (coordinates[0] + xMin, heightmap.getpixel(
+        (coordinates[0], coordinates[-1])), coordinates[-1] + zMin)
+
+
+def simplify_coordinates(coordinates, epsilon):
+    if len(coordinates) < 3:
+        return coordinates
+
+    # Find the point with the maximum distance
+    max_distance = 0
+    max_index = 0
+    end_index = len(coordinates) - 1
+
+    for i in range(1, end_index):
+        distance = Point3D(coordinates[i][0], coordinates[i][1], coordinates[i][2]).distance(
+            Point3D(coordinates[0][0], coordinates[0][1], coordinates[0][2]))
+        if distance > max_distance:
+            max_distance = distance
+            max_index = i
+
+    simplified_coordinates = []
+
+    # If the maximum distance is greater than epsilon, recursively simplify
+    if max_distance > epsilon:
+        rec_results1 = simplify_coordinates(coordinates[:max_index+1], epsilon)
+        rec_results2 = simplify_coordinates(coordinates[max_index:], epsilon)
+
+        # Combine the simplified sub-results
+        simplified_coordinates.extend(rec_results1[:-1])
+        simplified_coordinates.extend(rec_results2)
+    else:
+        # The maximum distance is less than epsilon, retain the endpoints
+        simplified_coordinates.append(coordinates[0])
+        simplified_coordinates.append(coordinates[end_index])
+
+    return simplified_coordinates
+
+
 class Skeleton:
     def __init__(self, data: np.ndarray = None):
         self.lines = []
@@ -26,19 +71,6 @@ class Skeleton:
         if data is not None:
             self.set_skeleton(data)
 
-    def transpose_form_heightmap(heightmap: Union[str, Image], coordinates):
-
-        heightmap = handle_import_image(heightmap).convert('L')
-
-        editor = Editor()
-        xMin = (editor.getBuildArea().begin).x
-        zMin = (editor.getBuildArea().begin).z
-
-        coordinates_final = []
-
-        return coordinates_final(coordinates[0] + xMin, heightmap.getpixel(
-            (coordinates[0], coordinates[2]))[0], coordinates[2] + zMin)
-
     def set_skeleton(self, data: np.ndarray):
         print("[Skeleton] Start skeletonization...")
         binary_skeleton = skeletonize(data, method="lee")

world_maker/world_maker.py

@@ -1,35 +1,43 @@
 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, \
+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)
 from world_maker.City import City
 from world_maker.Position import Position
 from random import randint
 from world_maker.pack_rectangle import generate_building
 
+
 def world_maker():
     world = World()
     heightmap, watermap, treemap = get_data(world)
-    filter_sobel("./world_maker/data/heightmap.png").save('./world_maker/data/sobelmap.png')
+    filter_sobel(
+        "./world_maker/data/heightmap.png").save('./world_maker/data/sobelmap.png')
     smooth_sobel_water_map = smooth_sobel_water()
     skeleton_highway = skeleton_highway_map(highway_map())
     city = City()
     city.generate_district()
     city.loop_expend_district()
     city.district_draw_map()
-    city.district_generate_road()
+    road_grid = city.district_generate_road()
     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', './world_maker/data/skeleton_highway_area.png').save('./world_maker/data/city_map.png')
-    subtract_map('./world_maker/data/city_map.png', './world_maker/data/mountain_map.png').save('./world_maker/data/city_map.png')
+    subtract_map(smooth_sobel_water_map, road).save(
+        './world_maker/data/city_map.png')
+    subtract_map('./world_maker/data/city_map.png',
+                 './world_maker/data/skeleton_highway_area.png').save('./world_maker/data/city_map.png')
+    subtract_map('./world_maker/data/city_map.png',
+                 './world_maker/data/mountain_map.png').save('./world_maker/data/city_map.png')
     rectangle_building = generate_building('./world_maker/data/city_map.png')
     rectangle_building = rectangle_2D_to_3D(rectangle_building)
 
     skeleton_mountain = skeleton_mountain_map(image_mountain_map)
-    subtract_map('./world_maker/data/mountain_map.png', './world_maker/data/skeleton_mountain_area.png').save('./world_maker/data/mountain_map.png')
-    subtract_map(smooth_sobel_water_map, filter_negative('./world_maker/data/mountain_map.png')).save('./world_maker/data/mountain_map.png')
-    rectangle_mountain = generate_building('./world_maker/data/mountain_map.png')
+    subtract_map('./world_maker/data/mountain_map.png',
+                 './world_maker/data/skeleton_mountain_area.png').save('./world_maker/data/mountain_map.png')
+    subtract_map(smooth_sobel_water_map, filter_negative(
+        './world_maker/data/mountain_map.png')).save('./world_maker/data/mountain_map.png')
+    rectangle_mountain = generate_building(
+        './world_maker/data/mountain_map.png')
     rectangle_mountain = rectangle_2D_to_3D(rectangle_mountain)
-    return rectangle_mountain, rectangle_building, skeleton_highway, skeleton_mountain
+    return rectangle_mountain, rectangle_building, skeleton_highway, skeleton_mountain, road_grid