A Go-based tile downloader that saves to deduplicated files.
./bin/build -h
Usage of ./bin/build:
-bounds string
Comma-separated bounding box in south,west,north,east format. Defaults to the whole world. (default "-90.0,-180.0,90.0,180.0")
-bucket string
(For metatile, tapalcatl2 generator) The name of the S3 bucket to request t2 archives from.
-cpuprofile string
Enables CPU profiling. Saves the dump to the given path.
-dsn string
Path, or DSN string, to output files.
-ensure-gzip
Ensure tile data is gzipped. Only applies to XYZ tiles. (default true)
-file-transport-root string
The root directory for tiles if -url-template defines a file:// URL scheme
-generator string
Which tile fetcher to use. Options are xyz, metatile, tapalcatl2. (default "xyz")
-inverted-y
Invert the Y-value of tiles to match the TMS (as opposed to ZXY) tile format.
-layer-name string
(For metatile, tapalcatl2 generator) The layer name to use for hash building.
-materialized-zooms string
(For tapalcatl2 generator) Specifies the materialized zooms for t2 archives.
-output-mode string
Valid modes are: disk, mbtiles. (default "mbtiles")
-path-template string
(For metatile, tapalcatl2 generator) The template to use for the path part of the S3 path to the t2 archive.
-timeout int
HTTP client timeout for tile requests. (default 60)
-url-template string
(For xyz generator) URL template to make tile requests with.
-workers int
Number of tile fetch workers to use. (default 25)
-zooms string
Comma-separated list of zoom levels. (default "0,1,2,3,4,5,6,7,8,9,10")
The following tile "outputter" are supported, as defined by the -mode flag:
Clone tiles to a local directory. Valid -dsn strings must be in the form of:
-dsn 'root={PATH_TO_DIRECTORY_ROOT} format={TILE_FORMAT}'
Clone tiles to a MBTiles (SQLite) database. Valid -dsn strings must be in the form of:
-dsn {PATH_TO_MBTILES_DATABASE}