raydiff_displacements.rib

# see readme.txt for copyright info
Option "statistics" "endofframe" [3] "filename" ["raydiff_displacements.txt"] "xmlfilename" ["raydiff_displacements.xml"]

FrameBegin 1
Display "raydiff_displacements.tif" "file" "rgba"
Format 640 480 1
Exposure 1 2.0
PixelSamples 4 4
PixelFilter "gaussian" 2 2
Clipping 0.1 1000
Sides 1
ShadingRate 10
ShadingInterpolation "smooth"
Projection "perspective" "fov" [54.4322]
ScreenWindow -1 1 -0.75 0.75
ConcatTransform [-0.842452 0.190195 0.504084 1.10832e-09 -7.29487e-10 0.935617 -0.353016 -3.14052e-11 0.538771 0.297399 0.788213 -6.09997e-10 0.531874 -1.45113 7.54714 1]
WorldBegin 
Attribute "visibility" "trace" [1]
Attribute "visibility" "transmission" ["opaque"]

Surface "bench" "string mode" ["raydiff"] "float samples" [128]
Attribute "displacementbound" "sphere" [0.01]

# We put 2 here beacuse prman has an advanced technique with this value
# So let's time it for its best possible performance.
Attribute "trace" "displacements" [2]

Displacement "stucco" "float Km" [0.05]

ReadArchive "geom.rib"
WorldEnd

FrameEnd