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pmtiles-convert does pmtiles to mbtiles

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Brandon Liu
2021-03-02 17:45:11 +08:00
parent cd4980d20b
commit 27e2305fb4
3 changed files with 32 additions and 2 deletions
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24
python/bin/pmtiles-convert
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@@ -4,16 +4,25 @@
#pmtiles to mbtiles
#mbtiles to pmtiles
import os
import argparse
import sqlite3
from pmtiles.reader import read
from pmtiles.writer import write
parser = argparse.ArgumentParser(description='Convert between PMTiles and other archive formats.')
parser.add_argument('input',help='Input .mbtiles or .pmtiles')
parser.add_argument('output',help='Output .mbtiles, .pmtiles, or directory')
parser.add_argument('--maxzoom', help='the maximum zoom level to include in the output.')
parser.add_argument('--overwrite', help='Overwrite the existing output.',action='store_true')
args = parser.parse_args()
if os.path.exists(args.output) and not args.overwrite:
print("Output exists, use --overwrite to overwrite the output.")
exit(1)
if os.path.exists(args.output) and args.overwrite:
os.remove(args.output)
if args.input.endswith('.mbtiles') and args.output.endswith('.pmtiles'):
conn = sqlite3.connect(args.input)
cursor = conn.cursor()
@@ -34,7 +43,20 @@ if args.input.endswith('.mbtiles') and args.output.endswith('.pmtiles'):
conn.close()
elif args.input.endswith('.pmtiles') and args.output.endswith('.mbtiles'):
print("PMTiles to MBTiles not yet implemented")
conn = sqlite3.connect(args.output)
cursor = conn.cursor()
cursor.execute('CREATE TABLE metadata (name text, value text);')
cursor.execute('CREATE TABLE tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob);')
with read(args.input) as reader:
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],data))
cursor.execute('CREATE UNIQUE INDEX tile_index on tiles (zoom_level, tile_column, tile_row);')
conn.commit()
conn.close()
elif args.input.endswith(".pmtiles"):
print("PMTiles to directory not yet implemented")
else: