What if you use r.mapcalc and apply log to your map to make a new one with rescaled values? On Jun 9, 2014 12:36 PM, "Veronica Andreo" <veroand...@gmail.com> wrote:
> Hi list! > > I have these raster maps of chlorophyll concentration (mg/m3) with a lot > of very small values (from 0.02 to 1.5) and few high values (between 20 and > 100)... I managed to create my own color table to get a good visualization > of the variation... but when I display the legend, i loose the color > variation in smaller values... > > Is it possible to create a logarithmic legend or at least determine which > tick-marks I'm interested in?? I've tried with "use" parameter in d.legend > (which seemed to meet my needs) setting it to: 0.01,0.1,1,10,100, but works > only for categories... There's no such a thing in ps.map, either... which > would be the right approach? any ideas? > > Thanks much in advance! > Best, > > Vero > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user >
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