[GRASS-user] r.watershed: output basin map

[Rich Shepard]

On Thu, 19 Apr 2012, Margherita Di Leo wrote:

> You can query the white cells and discover that they are null values. This
> is because r.watershed delineates only the basins that fall entirely into
> the computational region.

madi,

   I believe that the basin to the west of the large white one on the top
also crosses the international boundary; I'll check.

> You didn't provide information about any mask, ...

   No mask set.

> ... consider to provide at least a small buffer along the ridge line in
> order to allow the algorithm to work properly.

   How do I do this?

Thanks,

Rich