Build a MBTiles file from a tiles server or a Mapnik stylesheet.
Project description
Landez manipulates tiles, builds MBTiles and arrange tiles together into single images.
Tiles can either be obtained from a remote tile service URL, from a local Mapnik stylesheet or from MBTiles files.
For building MBTiles, it uses mbutil from Mapbox https://github.com/mapbox/mbutil at the final stage. The land covered is specified using a list of bounding boxes and zoom levels.
INSTALL
Landez requires nothing but python remote mode (specifying a tiles URL), but requires mapnik if the tiles are drawn locally.
sudo aptitude install python-mapnik
And PIL to export arranged tiles into images.
sudo aptitude install python-imaging
USAGE
Building MBTiles files
Remote tiles
Using a remote tile service (Cloudmade by default):
import logging
from landez import MBTilesBuilder
logging.basicConfig(level=logging.DEBUG)
mb = MBTilesBuilder(remote=True, cache=False)
mb.add_coverage(bbox=(-180.0, -90.0, 180.0, 90.0),
zoomlevels=[0, 1])
mb.run()
Please respect Tile usage policies <http://wiki.openstreetmap.org/wiki/Tile_usage_policy>
Local rendering
Using mapnik to render tiles:
import logging
from landez import MBTilesBuilder
logging.basicConfig(level=logging.DEBUG)
mb = MBTilesBuilder(stylefile="yourstyle.xml", filepath="dest.mbtiles")
mb.add_coverage(bbox=(-180.0, -90.0, 180.0, 90.0),
zoomlevels=[0, 1])
mb.run()
From an other MBTiles file
import logging
from landez import MBTilesBuilder
logging.basicConfig(level=logging.DEBUG)
mb = MBTilesBuilder(mbtiles_file="yourfile.mbtiles", filepath="dest.mbtiles")
mb.add_coverage(bbox=(-180.0, -90.0, 180.0, 90.0),
zoomlevels=[0, 1])
mb.run()
Export Images
Specify tiles sources in the exact same way as for building MBTiles files.
import logging from landez import ImageExporter logging.basicConfig(level=logging.DEBUG) ie = ImageExporter(mbtiles_file="yourfile.mbtiles") ie.export_image(bbox=(-180.0, -90.0, 180.0, 90.0), zoomlevel=3, imagepath="image.png")
LICENSE
Lesser GNU Public License
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