klokantech/thumbnail-gl repository overview

⁠thumbnail-gl

Simple tool for generating preview raster images for styles.

The tool generates 3 images:

• thumbnail.png -- 512x512, whole world
• preview-2.png -- 640x360, image with zoom level 2 (centered on Zurich)
• preview-10.png -- 640x360, image with zoom level 10 (centered on Zurich)
• custom.png -- custom image (if specified in the second parameter)

⁠Usage

docker run -v $(pwd):/data klokantech/thumbnail-gl {JSON_URL} [{CUSTOM_AREA_SPEC}]

⁠Example

docker run -v $(pwd):/data klokantech/thumbnail-gl https://maps.tilehosting.com/styles/topo/style.json?key=[key] "-x 8.235 -y 46.787 -z 7 -w 800 -h 600 -r 2"

⁠thumbnail.png

⁠preview-2.png

⁠preview-10.png

⁠custom.png