I don't think so.. What I want is to calculate the mode (most frequent value) of a raster file for each polygon that this raster covers. What I will have is the most frequent raster value that falls inside each polygon. Is kind of a univariate statistic of a raster for each polygon.
Any ideas? (thanks Micha for your suggestion) On Mon, Oct 18, 2010 at 10:19 AM, Micha Silver <[email protected]> wrote: > On 18/10/2010 10:11, Monica Buescu wrote: > > Greetings > > I have an image that is divided in several (>300) polygons and, using a > data_map raster, I want to calculate the mode value from this image for each > polygon. Is it possible? can anyone give me a tip on this? > > Have a look at v.what.rast. That might be what you're looking for. > > Thanks > > Monica > > This mail was received via Mail-SeCure System. > > > _______________________________________________ > grass-user mailing > [email protected]http://lists.osgeo.org/mailman/listinfo/grass-user > > This mail was received via Mail-SeCure System. > > > > > > -- > Micha Silverhttp://www.surfaces.co.il/ > Arava Development Co. +972-52-3665918 > >
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