On Wed, Aug 22, 2012 at 1:11 PM, Bob and Deb <[email protected]> wrote: > I've seen nodata with huge float32 values. Unfortunately they are rendered > in qgis and I can not make them transparent by adding the value to the > transparency list.
that's because gdal provider chooses a nodata value that is out of the range of "real" values, when file does not contain a nodata value. > > On Aug 22, 2012 8:56 AM, "Giovanni Manghi" <[email protected]> > wrote: >> >> It isn't the only odd thing/bug with nulls and transparency. For example >> not always nulls are rendered transparent and when you try to add them to >> the transparency list the entry is added as 0 instead. >> >> On Aug 22, 2012 4:49 PM, "Radim Blazek" <[email protected]> wrote: >> > >> > Hi, >> > does anybody know why raster no data value is automatically added to >> > transparency list in properties dialog? It makes no sense IMO. No data >> > values are always rendered as transparent, no need to define them also >> > in transparent list. >> > >> > Radim >> > _______________________________________________ >> > Qgis-developer mailing list >> > [email protected] >> > http://lists.osgeo.org/mailman/listinfo/qgis-developer >> >> >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-developer >> > > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
