[GRASS-dev] testing results of r.watershed2 against old r.watershed

[Markus Neteler]

On Fri, Nov 14, 2008 at 10:32 PM, Isaac Ullah <isaac.ullah at asu.edu> wrote:
> Hi all, I'd like to report the results of testing I just did with the new
> r.watershed2 module from the addons svn.
...
> Results: both modules successfully produce quality output maps. In fact,
> when the output maps are compared (subtracted with mapcalc) there is
> absolutely NO DIFFERENCE between them. All values are the same. The main
> difference then between the modules is the speed at which they operate. Old
> r.watershed took about 1.5 minutes to finish, while the new r.watershed2
> took ABOUT 5 SECONDS!!! This is an amazing increase in speed for exactly the
> same result!

I have moved the code to GRASS 6.4.svn and 7.svn now and deactivated
the old version.
Kudos to Markus Metz for his efforts!

Markus