[GRASS5] [bug #3826] (grass) two r.resamp.rst issues

Hamish hamish_nospam at yahoo.com
Sun Nov 13 18:11:42 EST 2005


> Perhaps we misunderstand each other, or maybe it works for you.
> 
> The whole point of the module is to change the resolution of the
> raster map. In my recent experience (I've tried it on a Mac and on
> Fedora Core 4), this doesn't seem to work, regardless of the region
> settings when you run the module. It changes the resolution, but it
> seems to have the effect of simply making more grid cells without
> correctly interpolating between them. For example, going from a 30m
> resolution DEM to a 15m resolution using r.resamp.rst seems to produce
> 4 15m cells within the area of an original 30m cell, but each of the
> 15m cells has the same resolution as the original cell. This is not
> how it should work.

The current region resolution needs to match the input map's resolution,
then it should work. Could you try the latest cvs version and see if you
can replicate the error?
 

Hamish




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