The Ultimatte workflow


show more The Ultimatte workflow provides you with in-depth training on 3D + Animation. Taught by Steve Wright as part of the Nuke 6 New Features show less
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The Ultimatte workflow

Okay, the cp input, that's your clean plate; gm, that's the garbage matte; and hidden over here is hm, which is your holdout matte. So how do we use the garbage matte? Well, looking at the original blue screen, we can see that the blue screen doesn't cover some portions of the background. So we make a garbage matte that covers that part of the screen that we want to clean up and then we hook that into the gm, or garbage matte input, of Ultimatte and voila! Get a nice clean plate.

The holdout matte here, let's see how that's used. And we'll look this up here to reveal that, okay. Let's take a look at the alpha Channel of this gal here, and we can see that her shawl is extremely transparent. So let's say that we needed to do a holdout matte to fill that in. So we would draw the holdout matte with a rotor node and then hook it up to the hm holdout matte input of Ultimatte, and boom! A nice solid matte. Of course you're going to have to roto that for the whole ...

The Ultimatte workflow
Video duration: 5m 18s 4h 6m Intermediate Updated Feb 13, 2012

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The Ultimatte workflow provides you with in-depth training on 3D + Animation. Taught by Steve Wright as part of the Nuke 6 New Features

Subjects:
3D + Animation Video
Software:
Nuke
Author:
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