There is also plugin multiqml http://gis-lab.info/qa/qgis-multiqml-eng.html Agus
El día 27 de febrero de 2012 23:01, Alister Hood <alister.h...@synergine.com> escribió: >> Date: Sun, 26 Feb 2012 08:47:49 -0800 (PST) >> From: dpan <davepan...@yahoo.com> >> Subject: [Qgis-user] Visualize Raster Timeseries with Standard Min/Max >> Values >> To: qgis-user@lists.osgeo.org >> Message-ID: <1330274869657-4510586.p...@n6.nabble.com> >> Content-Type: text/plain; charset=us-ascii >> >> Hi all, >> >> I have raster data for a single, continuous variable (e.g. tmean in May) for >> a particular region of interest. I'd like to visualize the progression of >> May tmean across several years with a grayscale or color ramp, to show how >> it changes through time. >> >> qGIS by default stretches and clips each raster's grayscale ramp to the Min >> and Max values for that raster. So each ramp has different Min/Max, >> complicating comparison between years. >> >> I thus want to standardize the Min/Max values across the entire dataset. The >> only way I've found to do this is to determine the Max and Min values for >> the entire dataset, then enter those Min/Max values in Layer >> Properties>Style for each raster. >> >> This is obviously impractical for large datasets (even for small ones, >> really). How do I do this correctly, so I can easily generate visual >> timeseries of a variable of interest? > > You should be able to just style one layer with sensible Min/Max values, save > the style, and make a series of copies of the resulting .qml file, named > after each raster image. You should be able to make those copies at the > command prompt with a single command ;) > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user
