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Replace mbtiles2pmtiles with generic pmtiles-convert script

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Brandon Liu
2021-03-02 12:15:02 +08:00
parent 9e41c46bcd
commit cd4980d20b
2 changed files with 41 additions and 30 deletions
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30
python/bin/mbtiles2pmtiles
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@@ -1,30 +0,0 @@
#!/usr/bin/env python
import argparse
import sqlite3
from pmtiles.writer import write
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(args.mbtiles_file)
cursor = conn.cursor()
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'])
print("Num leaves:",result['num_leaves'])
conn.close()

41
python/bin/pmtiles-convert Executable file
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@@ -0,0 +1,41 @@
#!/usr/bin/env python
#pmtiles to files
#pmtiles to mbtiles
#mbtiles to pmtiles
import argparse
import sqlite3
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.')
args = parser.parse_args()
if args.input.endswith('.mbtiles') and args.output.endswith('.pmtiles'):
conn = sqlite3.connect(args.input)
cursor = conn.cursor()
with write(args.output) 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'])
print("Num leaves:",result['num_leaves'])
conn.close()
elif args.input.endswith('.pmtiles') and args.output.endswith('.mbtiles'):
print("PMTiles to MBTiles not yet implemented")
elif args.input.endswith(".pmtiles"):
print("PMTiles to directory not yet implemented")
else:
print("Conversion not implemented")