[GRASS-dev] g.gui.gmodeler - help please
veroandreo at gmail.com
Wed Nov 4 07:58:49 PST 2015
Thanks for the example!
Did it work for you?? When I try to validate it, I get
Model is not valid.
r.mapcalc: undefined variable 'ndvi * 0.0001'
whatever operation I write in the right part of the expression.
The only thing that gives me a valid model is %map = %map.
Can anybody explain how it should be done or what are we missing there,
I really need this for a GUI based course I have to teach next week
(students use windows and know nothing of programming). Any other
suggestion is more than welcome!
2015-11-04 4:53 GMT-03:00 Luca Delucchi <lucadeluge at gmail.com>:
> On 4 November 2015 at 04:55, Veronica Andreo <veroandreo at gmail.com> wrote:
> > Hi devs,
> > sorry to bother...
> > Can anybody please share a .gxm file with an example for using r.mapcalc
> > a loop in the g.gui.gmodeler? I was able to do simple stuff with loops
> > say r.info or r.stats, but just can't figure out the way to do even a
> > operation with r.mapcalc in a loop... maybe too tired already...
> here you are... please if you are able, provide some documentation for
> g.gui.gmodeler, it is really needed ;-)
> > I also found this video, but it is for grass 6 and does not use loops:
> > https://www.youtube.com/watch?v=jaMyFQholMQ
> > Thanks much in advance!
> > Cheers,
> > Vero
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