Add remove tree

world_maker/terraforming.py

@@ -0,0 +1,54 @@
+from typing import Union
+
+import numpy as np
+from gdpc import Editor, Block, geometry
+from PIL import Image
+from skimage import morphology
+
+from world_maker.data_analysis import handle_import_image
+
+
+def remove_trees(heightmap: Union[str, Image], treesmap: Union[str, Image], mask: Union[str, Image], ):
+
+    editor = Editor(buffering=True)
+    build_area = editor.getBuildArea()
+    build_rectangle = build_area.toRect()
+
+    start = build_rectangle.begin
+
+    distance = (max(build_rectangle.end[0], build_rectangle.begin[0]) - min(build_rectangle.end[0], build_rectangle.begin[0]), max(
+        build_rectangle.end[1], build_rectangle.begin[1]) - min(build_rectangle.end[1], build_rectangle.begin[1]))
+
+    heightmap = handle_import_image(heightmap).convert('L')
+    treesmap = handle_import_image(treesmap).convert('L')
+    mask = handle_import_image(mask)
+
+    removed_treesmap = Image.new("RGB", distance, 0)
+
+    removed = []
+    for x in range(0, distance[0]):
+        for z in range(0, distance[1]):
+
+            if mask.getpixel((x, z)) == 255 and treesmap.getpixel((x, z)) > 0 and (x, z) not in removed:
+
+                treeArea = morphology.flood(treesmap, (z, x), tolerance=1)
+                blend = Image.blend(Image.fromarray(treeArea).convert(
+                    'RGB'), removed_treesmap.convert('RGB'), 0.5)
+
+                array = np.array(blend.convert('L'))
+                bool_array = array > 1
+                removed_treesmap = Image.fromarray(bool_array)
+
+                removed.append((x, z))
+                print(x, z)
+
+    removed_treesmap.save('./world_maker/data/removed_treesmap.png')
+
+    for x in range(0, distance[0]):
+        for z in range(0, distance[1]):
+            print("removing tree in ", start[0] + x, start[1] + z)
+            if removed_treesmap.getpixel((x, z)) != 0:
+                y = heightmap.getpixel((x, z))
+                y_top = removed_treesmap.getpixel((x, z))
+                geometry.placeLine(
+                    editor, (start[0] + x, y+1, start[1] + z), (start[0] + x, y_top, start[1] + z), Block('air'))