Building BSDF180 Surface
Click File, Build BSDF180....
A window appears.
In Normal BSDF box, you must browse one BSDF file for the normal direction.
In Opposite BSDF box, you must browse one BSDF file for the opposite direction.
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Normal BSDF |
Opposite BSDF |
Click OK.
The new BSDF180 file combines both data.
The normal BSDF is observed for Theta varying between 0° and 90° and the opposite BSDF for Theta varying between 90° and 180°.