Command line application for downloading map tiles from given WMS server.
go install github.com/lmikolajczak/wms-tiles-downloader@v0.3.2 Go will automatically install it in your $GOPATH/bin directory which should be in your $PATH.
Download tiles from WMS server based on provided options. Usage: wms-tiles-downloader get [flags] Flags: --auth string Basic HTTP auth credentials separated by semicolon (username:password) -b, --bbox float64Slice Comma-separated list of bbox coords (default []) --concurrency int Limit of concurrent requests to the WMS server (default 16) --format string Tile format (default "image/png") --height int Tile height (default 256) -h, --help Help for get -l, --layer string Layer name -o, --output string Output directory for downloaded tiles --params stringToString Custom query string params (default []) -s, --style string Layer style -t, --timeout int HTTP request timeout (in milliseconds) (default 10000) -u, --url string WMS server url --version string WMS server version (default "1.3.0") --width int Tile width (default 256) -z, --zoom ints Comma-separated list of zooms 
Command above will produce following output - tree of folders with files in Z/X/Y format:
root@df62f3f34fef:/tiles# tree . |-- 10 | |-- 524 | | |-- 336.png | | `-- 337.png | |-- 525 | | |-- 336.png | | `-- 337.png | `-- 526 | |-- 336.png | `-- 337.png |-- 11 | |-- 1049 | | |-- 672.png | | |-- 673.png | | `-- 674.png | |-- 1050 | | |-- 672.png | | |-- 673.png | | `-- 674.png | |-- 1051 | | |-- 672.png | | |-- 673.png | | `-- 674.png | `-- 1052 | |-- 672.png | |-- 673.png | `-- 674.png ...more directories... Alternative - use as a library (pkg.go.dev)
go get github.com/lmikolajczak/wms-tiles-downloader@v0.3.2 Please keep in mind terms and conditions of any tile provider (WMS server) from which you plan to download tiles.