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# gdaldem
> 分析和可视化数字高程模型DEM
> 更多信息:<https://gdal.org/programs/gdaldem.html>。
- 计算 DEM 的阴影效果:
`gdaldem hillshade {{path/to/input.tif}} {{path/to/output.tif}}`
- 计算 DEM 的坡度:
`gdaldem slope {{path/to/input.tif}} {{path/to/output.tif}}`
- 计算 DEM 的方位:
`gdaldem aspect {{path/to/input.tif}} {{path/to/output.tif}}`