Dear Nick and André Finally I got to the proper results:
STATISTICS_MAXIMUM=22.629600524902 STATISTICS_MEAN=21.829234117232 STATISTICS_MINIMUM=20.97500038147 STATISTICS_STDDEV=0.40600423541182 Thank you all very much! Antonio 2012/9/19 Nick Hopton <nhop...@gmail.com> > One other thing, you want to collect statistics for your clipped raster, so > when you clip the raster make sure that you tick 'no data value' and enter > a > value of (say) -30000. This will set the value of the pixels in your > clipped > raster that lie outside of your area of interest to 'null' and they will be > ignored when calculating statistics (which is what you want). > > I think the correct statistics for your area of interest are as follows: > > STATISTICS_MINIMUM=20.97500038147 > STATISTICS_MAXIMUM=22.629600524902 > STATISTICS_MEAN=21.829234117232 > STATISTICS_STDDEV=0.40600423541182 > > Nick. > > > > -- > View this message in context: > http://osgeo-org.1560.n6.nabble.com/getting-statistics-from-a-raster-layer-tp5002022p5002891.html > Sent from the Quantum GIS - User mailing list archive at Nabble.com. > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user > -- Antônio Olinto Ávila da Silva Biólogo / Oceanógrafo Instituto de Pesca (Fisheries Institute) São Paulo, Brasil
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