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Found 1 result

  1. Matte/Alpha rendering

    Hi, For a school project I have made a FLIP sim that enters the scene when a door opens. The project has been 3Dcamera tracked, matchmoved and model-built to sit in the shot nicely. I am wondering what the pathway would be to render only the visible sim once the door has opened to let the fluid enter the scene. Would there be a material I can put on the door which will act as an alpha that I can use the original plate and as the door opens it is only the exposed sim that renders? I don't know how to set this up, haven't done many complex renders at all. I hope someone can help or at least point me in the right direction. Because my working file has a lot of imported objects I have just uploaded a still frame, hope that's okay
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