andrew haywood wrote: > I have calculated a band ratio for a aerial photograph and would like > to trim the results to remove some outliers. In particular I would > like to remove the highest and lowest 0.1% pixel values. How can I > calculate the 0.1% and 99.9% percentiles. r.univar only allows > integer values for percentiles.
see discussion here, 2007-10-21: "Subject: Re: [GRASS-user] Need for a custom color map" http://article.gmane.org/gmane.comp.gis.grass.user/20744/ You can edit the code to allow floating point values, but I don't know the solution to problems in that earlier email, especially #2. Hamish ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
