Currently only SRTM 3s is supported in the chain. It could be interesting to support other DEM source as: * ALOS World 3D – 30m [AW3D30](https://www.eorc.jaxa.jp/ALOS/en/aw3d30/index.htm) * Copernicus DEM 30m [COP-DEM](https://spacedata.copernicus.eu/web/cscda/dataset-details?articleId=394198)