This page includes details on the V-Ray Hair Sampler texture used with Maya hair systems.
Page Contents
The V-Ray TexHairSampler is an utility node that provides extra output attributes which can be used when shading hair.
Used with the Hair 3 material, this node allows you to map color, incandescence, and transparency along the length of a hair strand, as well as the ability to randomize such properties on a per-strand basis to create stunning hair looks.
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The Hair Sampler node contains the unique outputs listed below.
distance_along_strand – Provides information about the shaded part of the hair strand. For the base of the strand, the value is 0.0, and for the tip it is 1.0.
hair_color – Provides information about the diffuse color along the hair strand.
hair_incandescence – Provides information about the incandescence color along the hair strand.
hair_transparency – Provides information about the transparency along the hair strand.
random_by_strand – Provides an unique random floating point value for each strand in the hair system, which can be used with a ramp texture for example to blend between two colors.
Strand Max Distance – Allows the user to set the max strand length. Typically, this value should be equal to the longest strand of hair.