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# PrmanOutputChannelDefine

The PrmanOutputChannelDefine allows you to define custom output channels, so that the final render can be split into separate elements. These customs channels (AOVs) can then be manipulated in a compositing tool.

Note: The parameters available for this node are dependent on which version of RenderMan for Katana you are using. As such, only the renderer-agnostic parameters are listed below. For more information on some of the other parameters you may encounter, please refer to the documentation that ships with RenderMan.

Connection Type | Connection Name | Function
Input | in | The place in the node graph where you want to define custom output channels to be used by PRMan at the final render.

Control (UI) | Default Value | Function
name | N/A | The name used by the RenderOutputDefine node for these output channel settings. This parameter usually matches the channel name.
type | varying float | Sets the output channel type: BYTE, INT, LONG, BOOL, FLOAT, DOUBLE, RGB, RGBA, ABSRGB, VECTOR, POINT, POINT2, STRING, POINTER, ARRAY, MATRIX, and ENUM