Alexander, As far as I'm able to see, RasterCalc is not writing projection information to geotif files: I just multiplied by 0 a layer coming form a tif file (test2.tif) and saved as test2_0.tif This is what gdalinfo reports (note field "projection"):
> GDALinfo("test2.tif") rows 256 columns 256 bands 1 origin.x 424389 origin.y 4636016 res.x 345.0078 res.y 194.0195 oblique.x 0 oblique.y 0 driver GTiff projection +proj=utm +zone=31 +ellps=intl +units=m +no_defs file test2.tif apparent band summary: GDType Bmin Bmax 1 Float64 -4294967295 4294967295 Metadata: AREA_OR_POINT=Area > GDALinfo("test2_0.tif") rows 256 columns 256 bands 1 origin.x 424389 origin.y 4636016 res.x 345.0078 res.y 194.0195 oblique.x 0 oblique.y 0 driver GTiff projection NA file test2_0.tif apparent band summary: GDType Bmin Bmax 1 Float32 -4294967295 4294967295 Just to let you know! Agus _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user