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The Hair Model VOP combines all three BSDFs to get the overall hair effect.
Specifies a label for the BSDF component. This can be used to export contributions from this component to a separate image plane.
The transmission of the color components (red, green, and blue). For
1 0 0 results in the transmission of red light
Controls the angular spread of the transmission. Low values result in transmission over a narrow cone of angles, and high values result in transmission over a broader cone.
Controls the general direction of the transmission. Values range from
-1 (towards the hair’s root) to
1 (towards the hair’s tip). A
0 results in a direction perpendicular to the hair. The
effect of this parameter is most noticeable with a small transmission
Normalized surface normal.
The transmission BSDF.