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41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
# Generates a raster tile archive for conformance testing.
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from urllib.request import Request, urlopen
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from pmtiles.tile import zxy_to_tileid, tileid_to_zxy, TileType, Compression
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from pmtiles.writer import Writer
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acc = 0
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with open("stamen_toner_maxzoom3.pmtiles", "wb") as f:
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writer = Writer(f)
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for tileid in range(0, zxy_to_tileid(4, 0, 0)):
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acc += 1
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z, x, y = tileid_to_zxy(tileid)
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req = Request(f"https://stamen-tiles.a.ssl.fastly.net/toner/{z}/{x}/{y}.png")
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req.add_header(
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"User-Agent",
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"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0",
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)
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with urlopen(req) as f:
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writer.write_tile(tileid, f.read())
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writer.finalize(
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{
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"tile_type": TileType.PNG,
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"tile_compression": Compression.NONE,
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"min_zoom": 0,
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"max_zoom": 3,
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"min_lon_e7": int(-180.0 * 10000000),
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"min_lat_e7": int(-85.0 * 10000000),
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"max_lon_e7": int(180.0 * 10000000),
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"max_lat_e7": int(85.0 * 10000000),
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"center_zoom": 0,
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"center_lon_e7": 0,
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"center_lat_e7": 0,
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},
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{
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"attribution": 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, under <a href="http://www.openstreetmap.org/copyright">ODbL</a>.'
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},
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)
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