[Qgis-user] Extend of area under a specified level

[Nicolas Cadieux]

Hi,

Open the processing toolbox. Search for flood or lake.  You will find a few algorithms in there like r.lake ( a Grass module).

Nicolas Cadieux
https://gitlab.com/njacadieux

> Le 22 févr. 2021 à 09:08, Hans Meyer <polygon2716 at gmail.com> a écrit :
> 
> 
> Hi,
> I have a DEM of an are with a lake in it and I would like to use QGIS to map the potential surface of the lake for a specified water level above the one on the map. In other words I would like to map the area of the DEM adjacent to the lake that lies below this defined increased lake water level.
> Does anyone know how to do that? 
> Best regards
> Hans
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