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Camera Projections are the lens through which RenderMan views the digital scene.  You can create custom projection plugins using C++.  RenderMan comes with three plugins:  PxrCamera, PxrLightProbe, PxrRollingShutter, and Omnidirectional Stereo projection which renders images in a format suitable for VR viewing.

See Projection Plugins for more information.

 

Custom Camera Projection

In your RIS Network, create a PxrCamera VOP.

 

Only one custom projection plugin can be added to the camera.

To use the custom camera projection, add a vm_lensshader.  Label it "Lens Shader".

 

Drag the camera projection VOP to the Lens Shader parameter.