oxedyne/fe2o3 — fe2o3_geom/tests/data/protomaps/make

1.3 KiB, 1 run

created by r1870400018:60832, which is this file's identity for as long as the history lasts, whatever it is later renamed to

1	# A small real PMTiles archive, written by the reference Python writer (pmtiles 3.8.1),
2	# holding real Protomaps tiles: two Perth tiles and one open-ocean content addressed as a run
3	# of three. Tiles are stored gzipped, as the planet stores them.
4	import gzip, sys, json
5	sys.path.insert(0, 'site')
6	from pmtiles.writer import write
7	from pmtiles.tile import zxy_to_tileid, TileType, Compression
8
9	OUT = sys.argv[1]
10	SRC = sys.argv[2]
11	tiles = {}
12	for (z, x, y) in [(15, 26930, 19457), (13, 6729, 4865)]:
13	tiles[zxy_to_tileid(z, x, y)] = gzip.compress(open(f'{SRC}/protomaps_{z}_{x}_{y}.mvt', 'rb').read(), mtime=0)
14	ocean = gzip.compress(open(f'{SRC}/protomaps_12_2958_2545.mvt', 'rb').read(), mtime=0)
15	base = zxy_to_tileid(12, 2958, 2545)
16	for k in range(3):
17	tiles[base + k] = ocean
18	with write(OUT) as w:
19	for tid in sorted(tiles):
20	w.write_tile(tid, tiles[tid])
21	w.finalize({
22	'tile_type': TileType.MVT, 'tile_compression': Compression.GZIP,
23	'min_lon_e7': 1156000000, 'min_lat_e7': -326000000,
24	'max_lon_e7': 1163000000, 'max_lat_e7': -316000000,
25	'center_zoom': 13, 'center_lon_e7': 1158571000, 'center_lat_e7': -319535000,
26	}, {'attribution': '© OpenStreetMap contributors', 'name': 'fe2o3 sample'})
27	print(OUT, [ (t, len(tiles[t])) for t in sorted(tiles)])