[Qgis-user] How to define a region of interest mask in QGIS Processing Model

[Andreas Neumann]

Hi Frank,

The term to search for is "Clip", e.g. the GDAL "Clip Raster by Mask 
layer". You need a separate layer for the clip mask, but you can use a 
Memory layer (temporary layer) for that.

Andreas

On 08.06.2015 14:02, Hanssen, Frank wrote:
>
> Hi
>
> I am new to QGIS and would like to make a model where the user can 
> clip a DEM raster from drawing a polygon on the screen. Any tip?
>
> Frank
>
>
>
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