Download DEMs from the Spanish National Geographic Institute easily.
This project uses SvelteKit. To start developing do npm install and npm run dev.
The instructions and scripts for obtaining and cleaning the data needed to run the app are on the data folder.
IGN makes the rasters available under a CC-BY compatible licence.
Read the data policy.
These are common GDAL commands you can use to work with this imagery. You can find more in this cheatsheet.
Merge rasters
gdal_merge.py -o merged.tif input1.tif input2.tif