On Monday 03 August 2015 11:02:43 Andrea Peri wrote: > Hi, > I have a geotiff multibands with float64 values to serve with a wms > mapserver service. > > With this kind of rasters, > is affordable the directive > > PROCESSING "BANDS=4,3,2" > PROCESSING "SCALE=AUTO" > > (the 4,3,2 are the red,green,blue channels) > > Infact it seem do nothing. > > Instead all work well if I set: > > PROCESSING "BANDS=4,3,2" > PROCESSING "SCALE_1=0.01,0.2" > PROCESSING "SCALE_2=0.01,0.2" > PROCESSING "SCALE_3=0.01,0.2" > > where ii use the min=0.01 and max=0.2 > But I like to have the exact values of min/max for every raster.
Andrea, SCALE=AUTO should work but looking at the actual implementation I can see it computes the min/max on the pixel values intersecting the requested area, and not on the whole raster as I'd have expected. So in a tiling context, it will likely not produce the expected result. Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
