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Correctly flip back to TMS in pmt_to_mbt. Fixes #21

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EdwardO
2021-12-18 19:53:04 +01:00
parent d8298e4e87
commit 2501219ef4
1 changed files with 2 additions and 1 deletions
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3
python/pmtiles/convert.py
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@@ -46,7 +46,8 @@ def pmtiles_to_mbtiles(input, output, gzip):
for k,v in reader.metadata.items():
cursor.execute('INSERT INTO metadata VALUES(?,?)',(k,v))
for tile, data in reader.tiles():
cursor.execute('INSERT INTO tiles VALUES(?,?,?,?)',(tile[0],tile[1],tile[2],may_compress(data,gzip)))
flipped = (1 << tile[0]) - 1 - tile[2]
cursor.execute('INSERT INTO tiles VALUES(?,?,?,?)',(tile[0],tile[1],flipped,may_compress(data,gzip)))
cursor.execute('CREATE UNIQUE INDEX tile_index on tiles (zoom_level, tile_column, tile_row);')
conn.commit()