[Qgis-user] Creating cross tables
otto.dassau at gmx.de
Wed Nov 24 07:56:21 EST 2010
you can use the GRASS statistic modules for that. They allow to add several
input raster maps.
in your case have a look at:
r.average - Finds the average of values in a cover map within areas assigned
the same category value in a user-specified base map.
Am Wed, 24 Nov 2010 14:21:00 +0200
schrieb "Dr. F. Patrick Graz " <fgraz at unam.na>:
> Hi folks,
> I would like to create a cross table between raster maps, but can't seem to
> find a way to do this.
> I have a raster map (in GRASS) that contains a number of properties. I also
> have vegetation biomass data for x numbers of years (also in GRASS).
> I would now like to calculate the average biomass for each property, for
> each year.
> So far I have not found the right command to do this job - or I have been
> using the wrong syntax.
> Any suggestions are welcome.
> Dr. F. Patrick Graz
> Snr. Researcher,
> Multidisciplinary Research Centre,
> University of Namibia
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
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