[GRASS-user] Re: [Qgis-user] error with r.cost

[Markus Metz]

On Mon, Apr 11, 2011 at 7:40 PM, ambijat <ambijat at hotmail.com> wrote:
> Solved!!!
>
> Thanks! Markus and Hamish,
>
> I got a new mapset created, set the resolution and imported the raster. And,
> it has been fine output.
> But, my query is that the raster that I generate from r.walk does not give
> me a line connecting two points. How to get that. I am using elevation
> raster (reclassified) as base raster. Now, about friction cost, what to use,
> aspect or slope map or the cost generated map.
>
> suggest me so that I can get a fine line.

use the output of r.walk as input for r.drain to get the shortest path