[GRASS-user] Set raster value for specific cell
Paulo van Breugel
p.vanbreugel at gmail.com
Mon May 13 03:43:15 PDT 2013
You can use r.mapcalc. If mymap is your raster layer and you want to
change the raster cell at coordinates 52deg and 10deg, use
r.mapcalc "mymap = if(x()==52.0 && y()==10.00, 1, mymap)" --replace
On 05/13/2013 11:56 AM, Johannes Radinger wrote:
> is there a simple way to set the value of a specific raster cell (e.g.
> defined by the coordinate of its cell center). One way could be to
> define a point by the coordinates (e.g. v.in.ascii) and then to
> convert the point to raster (v.to.rast) and use the mapcalculator to
> modify the original raster with the help of this new-point raster...
> ...But is there a simpler way to "call" the raster-cell directly?
> grass-user mailing list
> grass-user at lists.osgeo.org
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