[GRASS-user] Calculate statistics for raster values in polygons
Markus Neteler
neteler at osgeo.org
Fri Apr 23 08:59:23 EDT 2010
On Fri, Apr 23, 2010 at 12:34 PM, Micha Silver <micha at arava.co.il> wrote:
> A. Marcia BARBOSA wrote:
>
>> True. But actually it would be quite useful if v.rast.stats would give
>> us an option to select the statistics we wanted. Sometimes we really
>> just want the mean, or the mean and range, and if the raster is very
>> large the process can take a long time to give us unnecessay stats.
Internally, it uses
r.univar -g map ...
so I don't think that there is anything to accelerate with a few changes.
...
> Good idea. Perhaps bring the suggestion to the developers. (or contribute
> yourself...)
It is "just" a script, please review it and feel free to improve it!
Markus
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