id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,must_fix,platform,platform_version,status_info 1929,transparency of 0 value do not apply to GDAL virtual rasters (vrt),pcav,ersts,"If I load a virtual raster (BW, TIFF) and I apply full transparency to value 0 (to remove collars), the areas=0 remain white. If I do the same to individual TIFFs, the correctly become transparent: a bug, or a limitation of the VRT format?",bug,closed,major: does not work as expected,Version 1.5.0,Rasters,Trunk,invalid,,,No,All,,1