wxylib in the browser

Examples of wxylib compiled to WebAssembly. Each one reads Cloud Optimized GeoTIFFs with range requests (wxy-tiff) and warps them onto the screen's own grid (wxy-warp), with the same code the wxy command runs: rendering is warping to a screen grid.

Sentinel-2 over Hobart at 10 m on a web map

Sentinel-2 on a web map

Search Earth Search STAC for the view, then warp raw uint16 bands live onto the map, one scene or a whole solar day, block by block from the centre out. Band sets and a stretch you can drag.

 A Sentinel-2 scene warped to south polar stereographic

One COG, any projection

Open any CORS-enabled COG and pan and zoom it in polar stereographic, Mollweide, geostationary and more. Every view is a fresh warp, reading the overview gdalwarp would.

 Overture building footprints in central Hobart with their attribute table

GeoParquet, queried in the browser

SQL over Overture Maps GeoParquet with DuckDB (wasm): the STAC catalog picks the files the view meets, range requests fetch only their footers and row groups, and the result is a table beside its geometry on the map.

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