allowed for a threshold from 0 to 9, when comparing DL_Raster and OpenGL output, default is 1 (was 0)
allowed for a threshold from 0 to 9, when comparing DL_Raster and OpenGL output, default is 1 (was 0)

DavidLudwig/DL_Raster,DavidLudwig/DLRaster,DavidLudwig/DL_Raster