d i s p l a c e m e n t     m a p p i n g


These images demonstrates the the displacment mapping capabilites of Pixar's prman renderer. The project emphasised the use of images as sources of information - in the case of displacement (grayscale) image maps brightness represents height information.



 

Click on the image for a larger view

original polygon, no mapping

displacement map applied

specular map applied

roughness map applied

final result

View Movie

RIB file sample

Surface "combo"

"texname" ["wall2.tx"]

"roughname" ["wall_rough.tx"]

"specname" ["wall_spec.tx"]

"Ka" 0.8

"Ks" 3

"Kd" 1.2

Displacement "emboss" "texname" ["wallbump6.tx"] "Km"0.4

Rotate -90 1 0 0

Attribute "bound" "displacement" [0.1]

Scale 4 4 1

Polygon "P" [-0.5 -0.5 0 0.5 -0.5 0 0.5 0.5 0 -0.5 0.5 0]

"st" [0 0 1 0 1 1 0 1]