[Qgis-user] null values and color table from grass rasters

[Giovanni Manghi]

> Multiplying the raster by 1.0 in grass (r.mapcalc) solved the problem. 
> The new map now has null values recognised by QGIS and so displayed 
> transparent.

this issue should have been solved in qgis master, please give it a try

cheers

-- Giovanni --