New ticket http://trac.osgeo.org/qgis/ticket/3735
Radim On Mon, Mar 21, 2011 at 4:37 PM, John Callahan <[email protected]> wrote: > I'm not sure if this behavior is expected or I am missing something. > > I have a 1 band raster dataset (an elevation DEM) in TIF format. It has > statistics computed from "gdalinfo -stats mydata.tif" However, when I open > it in QGIS (both 1.6 and 1.7 trunk), and look at the Metadata tab in Layer > properties, there are two sections that contain band stats information. The > first section is labeled "Band 1" and lists the same stats as found using > gdalinfo. The second section is labeled "Band" and says "No stats collected > yet" for band 1. QGIS has to create the stats when I apply a color map or > stretch. For large rasters, this takes a while, and must be done each time > it's used in QGIS. > > Has anyone experienced this behavior? Is this expected? Is there a way to > let gdal compute all the stats that QGIS needs? Thanks. > > - John > > ************************************************** > John Callahan, Research Scientist > Delaware Geological Survey, University of Delaware > URL: http://www.dgs.udel.edu > ************************************************** > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
