Houdini 20.0 Nodes VOP nodes

Fur Guide Global Variables VOP node

Provides outputs representing commonly used input variables of fur guide shader network.

This operator provides outputs that represent all the global variables for fur guide shader network. There are no inputs to this operator.

Most of the parameters provided refer to a hair or the skin from which the hair is grown.





Point Position

Position of each vertex in the generated hair.


Width of the rendered curves.

Hair Distance

Position of the current vertex as a fraction of the hair’s length.

Is Parameter Bound

True if clump hairs were provided to the shader.

Clump Root

Position on the skin from which the clump hair is grown.

Clump Point Position

Position on the current vertex of the clump hair.

Hair ID

Unique ID for each generated curve.

Hair Root

Position on the skin from which each hair is grown.

Fur Density

Amount of hairs per unit area.


Interpolated normal direction from skin.


UV texture coordinates.

Output Matrix

Transformation deforming the local skin neighbourhood from its rest position.

Using Guides

True if guide hairs were used to produce the initial shape of the current hair.

See also

VOP nodes