From the course: Compositing an Alien Portal in NUKE

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Creating the pillar masks

Creating the pillar masks - Nuke Tutorial

From the course: Compositing an Alien Portal in NUKE

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Creating the pillar masks

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- Now that we've got a card tracked in that we have confidence in, any roto shapes that we add to the card are going to stay tracked to the pillar. So let's do that next. We'll go over here to where the action is. And we'll start by taking the grid off of the card, and adding a roto node. Here we go, and let's name this roto node pillar masks. Now, we're going to want to see the roto we're drawing and at the same time, how it appears over the background. So we're going to need another viewer. So with the roto node selected, let's do a Command I to get another viewer. I'm going to move this down so I can get my hands on this merged node for later. I'm going to take this Viewer2, which is my roto viewer, and I'm going to float it. So I can come over here, and now I can see what I'm doing on the roto node over here, and over here I can see its effect on the shot. So I'll pick a frame where I have good visibility of both of my pillars, which this looks good. We'll push in a little bit…

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