[GRASS-user] Long post - Remote Sensing - Classifications

[Martin Landa]

Hi,

2009/2/22 mitch_TX <reflexeos at yahoo.it>:

[...]

> GUI: I got stuck at the i.cluster window. How do I set the sampling interval
> values? I'm not allow to use any kind of character but numbers...how do I
> differentiate row and column value?
>
> http://n2.nabble.com/file/n2369388/sampling.png sampling.png
>
> If I leave 1 value I get this error:
> ERROR: option <sample> must be provided in multiples of 2 You provided 1
> items:       50

This bug has been already fixed in r35775 (upcoming RC4).

> I've notice that i.group window has been changed: shouldn't "Name of imagery
> sub-group" and "Name of the raster map(s) to include in group" be under the
> Required tab rather than Optional? (don't get me wrong, I don't want to
> criticize in a "bad" way, it's because maybe you receive a lot of feedbacks
> about other parts and this module is not so used....I haven't seen so many
> Remote Sensing questions lately...that's why).

I don't think so because the 'input' is not required in general, e.g.
for `i.group -l`.

[...]

> GUI:
> Imagery → Classify image → Interactive input for supervised classification
> (requires Xterm)
>
> a blank Monitor display and a new shell appear and nothing else.
>
> Are all of the GUI issues due to this
> http://grass.osgeo.org/wiki/WxPython-based_GUI_for_GRASS#Imagery_tools
> (Status: development not started yet)

right, any volunteer? ;-)

Martin

-- 
Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa