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Create Position Reference Pass in VRay

Create Position Reference Pass in VRay
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Compositor and certified Nike Trainer, Erwan Leroy thinks some things in Vray are easy. Yet, some other things, might be a bit convoluted, and needs more of your attention. You can find plenty of tutorials that cover creating custom render passes in VRay. There aren’t a lot of tutorials that cover creating a (Pref) position reference pass. As a compositor, Erwan used position reference passes all the time. The only mystery seemed the “how” with Vray.
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