[GRASS-user] r.cost.rast Problem with output raster map of cumulative cost

[Anna Petrášová]

On Tue, Feb 17, 2015 at 6:36 PM, Paul Quéré <paul.quere2 at gmail.com> wrote:

> Hi everyone,
>
> I have a problem on output raster map of cumulative cost when running the
> r.cost.rast algorithm. the resolution of Output raster is 5 m. Or the
> resolution of my input raster ( cost raster and raster of starting points)
> is 1 m.
>
> I cannot figure out how the resolution can be diffrent form input to output
>

The resolution doesn't depend on the input, rather the computational extent
and resolution must be set using g.region module:
http://grass.osgeo.org/grass70/manuals/g.region.html

so for example if you want to set the extent and resolution based on a
raster map 'my_input_raster' you use (-p is for printing resulting region):

g.region raster=my_input_raster -p


Cheers,

Anna


>
> Thanks,
>
>
> --
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