From b6ad04aa4009937df8c7b47ecc7582c1c332458e Mon Sep 17 00:00:00 2001 From: Brandon Liu Date: Mon, 22 Feb 2021 17:06:55 +0800 Subject: [PATCH] mbtiles2pmtiles has maxzoom option --- python/bin/mbtiles2pmtiles | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/python/bin/mbtiles2pmtiles b/python/bin/mbtiles2pmtiles index e502e89..5814c51 100755 --- a/python/bin/mbtiles2pmtiles +++ b/python/bin/mbtiles2pmtiles @@ -1,23 +1,27 @@ #!/usr/bin/env python -import sys +import argparse import sqlite3 from pmtiles.writer import write -if len(sys.argv) <= 2: - print("Usage: mbtiles2pmtiles MBTILES_FILE PMTILES_FILE") - exit(1) +parser = argparse.ArgumentParser(description='Convert an MBTiles archive to PMTiles.') +parser.add_argument('mbtiles_file',help='input MBTiles') +parser.add_argument('pmtiles_file',help='output PMTiles') +parser.add_argument('--maxzoom', help='the maximum zoom level to include in the output.') +args = parser.parse_args() -conn = sqlite3.connect(sys.argv[1]) +conn = sqlite3.connect(args.mbtiles_file) cursor = conn.cursor() -with write(sys.argv[2]) as writer: - for row in cursor.execute('SELECT zoom_level,tile_column,tile_row,tile_data FROM tiles ORDER BY zoom_level,tile_column,tile_row ASC'): +with write(args.pmtiles_file) as writer: + 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,)): writer.write_tile(row[0],row[1],row[2],row[3]) metadata = {} for row in cursor.execute('SELECT name,value FROM metadata'): metadata[row[0]] = row[1] + if args.maxzoom: + metadata['maxzoom'] = str(args.maxzoom) result = writer.finalize(metadata) print("Num tiles:",result['num_tiles']) print("Num unique tiles:",result['num_unique_tiles'])