[GRASS-user] r.patch.many with GRASS 7 b3?

[Anna Petrášová]

On Sun, Nov 30, 2014 at 5:55 PM, Jeshua Lacock <jeshua at 3dtopo.com> wrote:

>
> > On Nov 30, 2014, at 3:49 PM, Anna Petrášová <kratochanna at gmail.com>
> wrote:
> >
> > On Sun, Nov 30, 2014 at 5:17 PM, Jeshua Lacock <jeshua at 3dtopo.com>
> wrote:
> >
> > I noticed that Hamish’s r.patch.many script is absent in the GRASS 7.0b3
> repository.
> >
> > I took a look at the script and it just runs r.patch in the background
> for the number for cores set, so it seems like it should be fine with GRASS
> 7, but if someone could confirm that I would appreciate it.
> >
> > Just by looking at it, it probably should run. If you run it on beta3,
> you'll be fine, with newer versions, g.mlist and g.remove were merged into
> g.list and g.remove, so just remove the 'm' and it should work.
>
> Great, thanks for the information!
>
> I sure wish there was a similar script for r.in.proj - I am currently
> reprojecting 40,000+ tiles on 6-core machine, with 5 cores sitting idle.
>

That should be pretty simple, simpler than r.patch.many, you just run a
certain number of r.proj processes in the background, wait and launch next
processes. There is a wiki
http://grasswiki.osgeo.org/wiki/Parallel_GRASS_jobs but perhaps someone has
already a simple template in bash you could use.


> ;)
>
>
> Thanks again,
>
> Jeshua Lacock
> Founder/Engineer
> 3DTOPO Incorporated
> <http://3DTOPO.com>
> Phone: 208.462.4171
>
>
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