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This page provides information on the Hair Properties in V-Ray for Houdini.
Overview
The V-Ray Hair Properties can be added to a curve or points/particles. This makes the curve directly renderable, without intermediate conversion to polygons. Internally, the curve is converted to hair. It allows control over the hair tessellation.
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To add the Hair Properties, select the curve or points Geometry node and click the Hair Properties button residing in the V-Ray shelf, or use the V-Ray menu in the top menu bar. This creates a spare parameters folder under a V-Ray tab on the Geometry node.
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When rendering a heavy hair/fur setup, you may benefit from reduced RAM consumption when the "Render as Smooth Curves" option is enabled. This will instruct V-Ray to |
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perform an optimization step prior to rendering the groom. The optimization step will remove redundant verticies and only keep as many points as needed to preserve the shape, similar to the way Houdini's Resample SOP can be used to optimize point count for polygon lines. |
For more information on the hair properties under V-Ray Object Properties SOP, see the V-Ray Object Properties SOP page.
UI Paths:
||Select object(s)|| > V-Ray Shelf > Hair Props (with the curve/points selected) > V-Ray tab > Hair tab
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