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30 lines
1.1 KiB
Python
Executable File
30 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import sqlite3
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from pmtiles.writer import write
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parser = argparse.ArgumentParser(description='Convert an MBTiles archive to PMTiles.')
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parser.add_argument('mbtiles_file',help='input MBTiles')
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parser.add_argument('pmtiles_file',help='output PMTiles')
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parser.add_argument('--maxzoom', help='the maximum zoom level to include in the output.')
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args = parser.parse_args()
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conn = sqlite3.connect(args.mbtiles_file)
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cursor = conn.cursor()
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with write(args.pmtiles_file) as writer:
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for row in cursor.execute('SELECT zoom_level,tile_column,tile_row,tile_data FROM tiles WHERE zoom_level <= ? ORDER BY zoom_level,tile_column,tile_row ASC',(args.maxzoom or 99,)):
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writer.write_tile(row[0],row[1],row[2],row[3])
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metadata = {}
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for row in cursor.execute('SELECT name,value FROM metadata'):
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metadata[row[0]] = row[1]
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if args.maxzoom:
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metadata['maxzoom'] = str(args.maxzoom)
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result = writer.finalize(metadata)
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print("Num tiles:",result['num_tiles'])
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print("Num unique tiles:",result['num_unique_tiles'])
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print("Num leaves:",result['num_leaves'])
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conn.close() |