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Determines whether the ramp texture is repeated.


The list of positions for the colors on the ramp. The positions range between 0 and 1, which are the two endpoints on the ramp.


The list of colors on the ramp. There is a color at each of the positions specified in the positions list.


If enabled, this flips the ramp so it reverses direction.


This example uses the "None" Spline Type, but other spline types are supported.


Random Seed

Change this value to get a different set of random variations.

Color Ramp (Manual)


Controls the 2D placement of the ramp. Defaults to using the s and t values of the surface geometry to place the ramp colors on the surface.

Match C++ patterns

Match RenderMan23 C++ scenes but may slow down your render.  Use only when necessary.

Output Parameters