Files
PMTiles/python/pmtiles/examples/create_raster_example.py
Brandon Liu 63182e525d rio-pmtiles python package [#338] (#542)
Add rio-pmtiles command line tool. [#338]

This is derived from the original mapbox/rio-mbtiles implementation, with changes:

* output PMTiles only instead of MBTiles.
* Python 3.7+ only.
* remove --implementation, --image-dump, --append/--overwrite, --covers features.
* bump dependency versions.
* better progress reporting; add pyroaring. 
* update README and license texts.
* rio-pmtiles v0.0.6 on PyPI
2025-03-24 20:50:53 +08:00

37 lines
1.2 KiB
Python

# Generates a raster tile archive for conformance testing.
from urllib.request import Request, urlopen
from pmtiles.tile import zxy_to_tileid, tileid_to_zxy, TileType, Compression
from pmtiles.writer import Writer
acc = 0
with open("terrarium_z0-3.pmtiles", "wb") as f:
writer = Writer(f)
for tileid in range(0, zxy_to_tileid(4, 0, 0)):
acc += 1
z, x, y = tileid_to_zxy(tileid)
req = Request(f"https://s3.amazonaws.com/elevation-tiles-prod/terrarium/{z}/{x}/{y}.png")
with urlopen(req) as f:
writer.write_tile(tileid, f.read())
writer.finalize(
{
"tile_type": TileType.PNG,
"tile_compression": Compression.NONE,
"min_zoom": 0,
"max_zoom": 3,
"min_lon_e7": int(-180.0 * 10000000),
"min_lat_e7": int(-85.0 * 10000000),
"max_lon_e7": int(180.0 * 10000000),
"max_lat_e7": int(85.0 * 10000000),
"center_zoom": 0,
"center_lon_e7": 0,
"center_lat_e7": 0,
},
{
"attribution": '<a href="https://github.com/tilezen/joerd/blob/master/docs/attribution.md">Tilezen Joerd: Attribution</a>'
},
)