[GRASS-user] Error in GRASS6.4 while creating image group

[Markus Neteler]

On Wed, Apr 14, 2010 at 7:05 PM, Nikos Dumakis <nikosdu1980 at gmail.com> wrote:
> Hi
> I'm using GRASS6.4.svn from latest week snapshot in Ubuntu and I was testing
> a few functions while I got an error when creating a image group with
> NorthCarolina Dataset.
>
> I did:
> i.group group=gr04 subgroup=sub
> input=lsat7_2000_10 at landsat,lsat7_2000_20 at landsat,lsat7_2000_30 at landsat,lsat7_2000_40 at landsat,lsat7_2000_50 at landsat,lsat7_2000_70 at landsat
>
> And I got:
>
> Adding raster map <lsat7_2000_10 at landsat> to group
> Adding raster map <lsat7_2000_20 at landsat> to group
> Adding raster map <lsat7_2000_30 at landsat> to group
> Adding raster map <lsat7_2000_40 at landsat> to group
> Adding raster map <lsat7_2000_50 at landsat> to group
> Adding raster map <lsat7_2000_70 at landsat> to group
> Adding raster map <lsat7_2000_10 at landsat> to subgroup
> Adding raster map <lsat7_2000_20 at landsat> to subgroup
> Adding raster map <lsat7_2000_30 at landsat> to subgroup
> Adding raster map <lsat7_2000_40 at landsat> to subgroup
> Adding raster map <lsat7_2000_50 at landsat> to subgroup
> Adding raster map <lsat7_2000_70 at landsat> to subgroup
>
> Then when I open i.cluster GUI I selected gr04 group and, sub doesn't appear
> in subgroup. It only appears "Not a selectable element". If I leave it blank
> it doesn't run (sub group is a required option). But, if I write  "sub" it
> works...
>
> Is this suppose to happen?

I would say no. It reminds me of
http://trac.osgeo.org/grass/ticket/780

Markus