[GRASS-user] How to convert multi-bands clusters in a vectorial

[Markus Neteler]

On Tue, Jul 20, 2010 at 2:17 PM, Monica Buescu
<monicabuescu1985 at gmail.com> wrote:
> Greetings
> (This may sound as a complicated question but it's not :) )
> I have used an external tool to produce clusters from Landsat images. For
> each input bands, I obtain clusters with a desginated value (mean of the
> values in that cluster). So, if I use 4 bands, I obtained 4 outputs with
> clusters. in each image I obtain the same clusters but with different values
> (depends on pixel values).

How did you do this? (which commands)?

> What I want to obtain is a single map (raster or
> vectorial) with all clusters. in GRASS, how can I "merge" this 4 bands in
> order to obtain a labeled product? it can be a single raster or vectorial
> but it has to be a single band/layer...
> Thanks
> (if needed, I can better explain this with an example)

Yes please :)

Did you see
http://grass.osgeo.org/wiki/Image_classification
?

Markus