[GRASS-user] interpolate raster map

Rainer M Krug r.m.krug at gmail.com
Thu May 22 10:07:09 EDT 2008

On Thu, May 22, 2008 at 4:02 PM, Paul Kelly
<paul-grass at stjohnspoint.co.uk> wrote:
> On Thu, 22 May 2008, Hamish wrote:
>>> Thanks for the answer - I am in the process of trying it
>>> out. But:
>>> When I try to use r.resamp.rst, I get the error message
>>> "Input map
>>> resolution differs from current region resolution!". I
>>> thought that
>>> r.resamp.rst is doing exactly that - changing the
>>> resolution?
>> hmmm, not sure. you are right it should be built for changing the
>> resolution. or maybe the result looks ok anyway.
> As far as I know it works "the wrong way round", i.e. different from the
> other resampling modules - you actually run it with the resolution set to
> that of the original map (g.region rast=mapname), and set the desired new
> resolution using command-line options.

That's what I figured out just now as well. Thanks Hamish and Paul and
Nikos - I will come back to you if I still have questions.


> Paul

Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)

Plant Conservation Unit
Department of Botany
University of Cape Town
Rondebosch 7701
South Africa

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