Camera Projection shader spdl


I was trying to do a simple shader spdl where I can pick a camera and save in a matrix parameter it’s projection matrix. Then pass it to a custom renderer that implements the camera projection shader itself. Is using the type as reference for the parameter and the UIType as ReferenceWidget the best option?. How can I filter the object I pick to cameras and is there a method to extract the projection matrix or I will have to construct it myself?

Sorry for the questions, I am a newbie in XSI :sad:


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