[Qgis-user] raster: calculate area
Micha Silver
tsvibar at gmail.com
Fri Jan 29 01:08:41 PST 2021
Hi
On Fri, Jan 29, 2021 at 12:32 AM Azzurra Lentini <azzurralentini at gmail.com>
wrote:
> Hi List,
> I have a raster file DTM (altitude attribute in the pixels). I
> reclassified this raster in 4 classes of altitude and I need to calculate
> for each class the area (in how many square meters is each different class
> extended).
> I can for example transform the raster file reclassified into a vector
> file and calculate the area, but is it possible to do without any
> vectorialization and so directly calculating it from the raster file?
>
>
I you're willing to try using GRASS GIS, then the module r.stats is what
you want
https://grass.osgeo.org/grass78/manuals/r.stats.html
> Thanks, Azzurra
>
> --
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> *azzurralentini at gmail.com <azzurralentini at gmail.com>*
>
> *azzurra.lentini at uniroma3.it <azzurra.lentini at uniroma3.it> *
> ++++++++++++++++++++++++++
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--
Micha Silver
Ben Gurion Univ
Sde-Boker Remote Sensing Lab
cell: +972 (52) 3665918
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