test.rib
Display "cellnoisetest.tif" "file" "rgba" Format 1 1 1 Projection "perspective" PixelSamples 1 1 Translate 0 0 1 WorldBegin LightSource "distantlight" 1 "intensity" [1] LightSource "ambientlight" 2 "intensity" [1] Surface "tebCellNoiseTest" Patch "bilinear" "P" [-1 1 0 1 1 0 -1 -1 0 1 -1 0] WorldEnd