On Tue, Jun 30, 2015 at 2:20 PM, Ahmet Temiz <ahmettemi...@gmail.com> wrote:
> I was wondering if it was possible to generate curvature map > from DEM which is in LL wgs 84. > > Or > Should I transform dem another projection? > Hi, r.slope.aspect manual doesn't say that it is not technically possible, but certainly you should use a projected coordinate system. All raster operations should be done in projected coordinate system, not LL. Vaclav http://grass.osgeo.org/grass70/manuals/r.slope.aspect.html
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