Declare "scale" "uniform float" Format 300 300 -1 Display "cellnoisy.tif" "file" "rgb" Projection "orthographic" LightSource "ambientlight" 1 WorldBegin Surface "cellnoisy" "scale" [20] Translate 0 0 5 Patch "bilinear" "P" [-1 1 0 1 1 0 -1 -1 0 1 -1 0] WorldEnd