From the course: Nuke Essential Training

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Composite multipass CGI

Composite multipass CGI - Nuke Tutorial

From the course: Nuke Essential Training

Composite multipass CGI

- [Instructor] Now that we have a firm grasp of both nuke channels and the merge node, we can work them together to see how a multi-pass CG element with several lighting passes would be composited. We'll be using our familiar multi-pass head and recall, that it has a reflection pass, a specular pass, and of course the diffuse pass is in the RGBA layer. We also have a masks layer. And in here, I have a grunge pass. This puts noise and dirt on the picture. The ambient occlusion, and these are all one channel images. And here, I have the shadow pass, again, one channel images. Alright, so let's put all of this together. We'll start by selecting our Read node and I'm going to add a Merge node by using the keyboard shortcut. So I'll type M on the keyboard. And as you know now, the merge node hooks the A side up to whatever node is currently selected. So I need to take the diffuse lighting paths which is in the RGBA layer and add it to the reflection pass. Now, the RGBA layer with the…

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