<br><br><div class="gmail_quote">On Jan 17, 2008 4:30 PM, <<a href="mailto:nikos.alexandris@felis.uni-freiburg.de">nikos.alexandris@felis.uni-freiburg.de</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
How can I get listed all unique pixel values enclosed in<br>each of the polygons I digitised (and for which the univ.<br>stats are calculated)?<br></blockquote><div><br>Can't you just rasterise your polygons, and use that as a mask with
r.mapcalc? You can loop around in your shell. I tend to do that with python, but it's similar in GRASS. You can also try starspan. Or.... <<a href="http://grass.gdf-hannover.de/wiki/Aggregate_Values">http://grass.gdf-hannover.de/wiki/Aggregate_Values
</a>><br><br>Cheers,<br>Jose<br><br><br></div></div><br>-- <br>Centre for Terrestrial Carbon Dynamics<br>Department of Geography, University College London<br>Gower Street, London WC1E 6BT, UK