tldr/pages/common/gdaldem.md

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