From the course: 3ds Max: Rendering for Compositing in V-Ray Next

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Cryptomatte

Cryptomatte

From the course: 3ds Max: Rendering for Compositing in V-Ray Next

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Cryptomatte

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- Now, unlike the Multi-Map render element that we've looked at in the previous exercise Cryptomatte doesn't typically require any extra setup in the scene at all. So no objects and all material IDs, no unique color assignments or anything like that. Though I do need to reiterate right from the start here that on the downside, the Cryptomatte element, can't be propagated through reflections and or refractions in the way that the Multi-Map element can. Meaning that in certain scenes or for use in certain charts, the Multi-Map element may still be the better option. To add Cryptomatte to our render elements list then, let's with the Render Setup Dialog open come to the Render Elements tab, and then Add the Cryptomatte option. In the ID type dropdown we are given five different options for the way in which mats can be created. So by default, we have the Node Name Option selected, which appropriately enough creates mats…

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