58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
import requests
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import os
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import math
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def deg2num(lat_deg, lon_deg, zoom):
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lat_rad = math.radians(lat_deg)
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n = 1 << zoom
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xtile = int((lon_deg + 180.0) / 360.0 * n)
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ytile = int((1.0 - math.asinh(math.tan(lat_rad)) / math.pi) / 2.0 * n)
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return xtile, ytile
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# around chatillon
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BOUNDS = ((48.8, 2.26), (48.82, 2.32))
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BOUNDS = ((48.5, 2.1), (49.9, 2.6))
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BASE_URL = os.getenv("SOURCE_BASE_URL")
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BASE_DIR = os.getenv("OUTPUT_BASE_DIR")
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LAYERS = os.getenv("LAYERS_NAMES")
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iz = 0
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for z in range(10, 15):
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TILES_BOUNDS = (
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deg2num(BOUNDS[0][0], BOUNDS[0][1], z),
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deg2num(BOUNDS[1][0], BOUNDS[1][1], z)
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)
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maxx = 0
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maxy = 0
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xrange = range(TILES_BOUNDS[0][0], TILES_BOUNDS[1][0])
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yrange = range(TILES_BOUNDS[1][1], TILES_BOUNDS[0][1])
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print(TILES_BOUNDS)
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print(xrange, yrange)
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iy = 0
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for y in reversed(yrange):
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ix = 0
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for x in xrange:
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url = f"{BASE_URL}/{LAYERS}/{z}/{x}/{y}"
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dir_path = f'{BASE_DIR}/tiles/{LAYERS}/{z}/{x}'
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tile_path = dir_path + f'/{y}'
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img_data = 0
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print(tile_path)
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if not os.path.exists(tile_path):
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print(url)
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res = requests.get(url)
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if res.status_code >= 300:
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print(res.content)
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exit()
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img_data = res.content
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os.makedirs(dir_path, exist_ok=True)
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with open(tile_path, 'wb') as handler:
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handler.write(img_data)
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ix += 1
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iy += 1
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iz += 1
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print("DONE")
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