56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
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from PIL import Image
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import os
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import math
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Image.MAX_IMAGE_PIXELS = None # Schutz bei großen Bildern deaktivieren
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# === KONFIGURATION ===
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image_path = "areno_map.png" # Pfad zur großen Karte
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output_dir = "tiles" # Zielverzeichnis für die Tiles
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tile_size = 256 # Größe eines Tiles
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max_zoom = 7 # Zoom-Stufen 0–7
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def generate_leaflet_tiles(image_path, output_dir, tile_size=256, max_zoom=7):
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original = Image.open(image_path)
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orig_width, orig_height = original.size
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for z in range(max_zoom + 1):
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scale = 2 ** (max_zoom - z)
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width = math.ceil(orig_width / scale)
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height = math.ceil(orig_height / scale)
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# Kein Resize bei maximaler Zoomstufe (Originalgröße)
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if z == max_zoom:
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resized = original
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else:
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resized = original.resize((width, height), Image.Resampling.LANCZOS)
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tiles_x = math.ceil(width / tile_size)
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tiles_y = math.ceil(height / tile_size)
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offset_x = tiles_x // 2
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offset_y = tiles_y // 2
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for x in range(tiles_x):
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for y in range(tiles_y):
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left = x * tile_size
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upper = y * tile_size
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right = min(left + tile_size, width)
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lower = min(upper + tile_size, height)
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tile = resized.crop((left, upper, right, lower))
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tile_x = x - offset_x
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tile_y = y - offset_y
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dir_path = os.path.join(output_dir, str(z), str(tile_x))
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os.makedirs(dir_path, exist_ok=True)
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tile_path = os.path.join(dir_path, f"{tile_y}.png")
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tile.save(tile_path)
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print(f"✅ Zoom {z} fertig – {tiles_x}×{tiles_y} Tiles")
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print("🎉 Alle Tiles erfolgreich generiert.")
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generate_leaflet_tiles(image_path, output_dir, tile_size, max_zoom)
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