Adding Light

To add a light, select one of light tools from the RenderMan Shelf or the RenderMan Menu which automatically creates a Pxr light OBJ.  See Lighting for more information.

Adding Material

To add a material, we need to first create a RIS Network.  Note that RIS material is not a SHOP but it is a VOP inside a RIS Network.  A RIS Network is just a container for RIS VOPs.  It is required for Houdini to work with RIS materials. New in RenderMan 22 - a material is represented by a PxrCollect VOP with a BxDF VOP input. To add a material, you can add a PxrSurface from the RenderMan Shelf, which automatically creates a PxrCollect, or select another BxDF from the RenderMan Menu to wire into a collect VOP. These tools also automatically create a RIS Network if it does not exist as well as the selected VOP.

Assigning Material

To assign the material to your object, simply drag the PxrCollect VOP you just created to the Material parameter of your object.

Render

To render, add a RenderMan RIS ROP from the RenderMan Shelf. This tool also creates a RIS Network and sets the integrator to PxrPathTracer. Press the Render button to see your render interactively in the Image Tool. See Rendering for more information.