tldr/pages/common/gdaldem.md

# gdaldem

> Analyze and visualize digital elevation models (DEM).
> More information: <https://gdal.org/programs/gdaldem.html>.

- Compute the hillshade of a DEM:

`gdaldem hillshade {{path/to/input.tif}} {{path/to/output.tif}}`

- Compute the slope of a DEM:

`gdaldem slope {{path/to/input.tif}} {{path/to/output.tif}}`

- Compute the aspect of a DEM:

`gdaldem aspect {{path/to/input.tif}} {{path/to/output.tif}}`