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This course reviews the Nuke 6.3 tools and performance enhancements that make keying, motion tracking, color correction, and 3D compositing in Nuke more powerful than ever. Author Steve Wright covers the introduction of 3D particles, the enhanced spline and grid warping, the all-new planar tracker, an audio scratch track for matching audio cues to effects, and a briefing on deep compositing, the powerful new method of working with deep images.
Nuke 6.3 New Features was created and produced by Steve Wright. We are honored to host his material in the lynda.com library.
When the planar tracking data is exported with the Tracker option, it creates a new Tracker node with the planar track data baked in. The four corners of the Ppanar surface become the four tracker points, which you can then use to match, move, or stabilize images. Let's see how it works. First, let's get rid of some of these nodes we don't need. We'll select the Read node; Shift+ Click on the CornerPin, Shift+Click on the Move, and delete. Next we need to line up our planar surface with the corners of our block, so we'll turn our overlays on with an O. Make sure we're on our reference frame if you weren't already.
Now, before I can adjust the planar surface corners, I need to turn on the planar surface adjustment tool. And I want to get rid of those tracking marks, so I'm going to type O to hide them. Okay, so let's put these on the corner of our box, like so, and then we'll zoom in real close to get a precise fit, because it is this point right here that will become our tracker, so we want to make sure that those points are exactly where we want the trackers from the Tracker node that we're about to create.
Okay, and one more here. There; let's call that good. Okay, we're ready to add our Tracker node, so making sure that we have the right PlanarTrackLayer selected first -- remember, you could have several in here -- we'll go to the output pop-up, and select Tracker (baked). And it hooks up to the PlanarTracker node, and now we're going to need a graphic to play with, so let's get a Read node, select the Project Media > Lesson_06_Media, and let's use our Nuke logo; Open.
All we have to do is hook the Tracker node up to our Nuke logo. Now let's open up the Tracker node, and here we have our tracking data, and there you can see the trackers, and they are lined up exactly on the points of my planar surface. We're done with the planar surface node, so let's close all of the property panels, except for the Tracker node, by doing a Command+click or Control+click on the Close button of the tracker property panel. Remember, that closes everything except the one property panel you clicked on.
Okay, we're ready to go. With the Tracker node selected, we'll add a Merge node, hook that in, I'm going to type F to zoom out a bit, and here's our element, and it doesn't do anything. Our tracking data is not yet hooked to our graphic element. What we have to do is go to the Tracker node's Transform tab, and then set the Transform mode to Match, Move, or Stabilize, or whatever, and then boom! There is all of our tracking data to translate, rotate, and scale, and center.
Now my graphic element is indeed moving with my tracking data, but it's out of position, but that's easy to fix. We'll just add a Transform node to pre-position the data. So select our Nuke logo, go up to the Transform tab, add a Transform node, and we'll pick it up, and move it over here. We can unclutter the screen by closing everything except our Transform node. So once again, Command+Click on the Close button, and now all we have is the one node.
Alright, so we'll zoom in here, and I'll scale it down a little bit, and position it very nicely. Re-home the Viewer with the F key, and let's fold up the Transform tab property bin, so that we get the onscreen control jack out of our face. Okay, we're ready to play, but first, I want to set the timeline to ping-pong, and now we will play, and watch the track. So while our logo is nicely tracked to our target, it's only in translate, rotate, and scale. Since there's no CornerPin data any more, there is no perspective.
Okay, we'll stop this, jump to Frame 1, home the Viewer, and home the Node graph. The last export option, Stabilize, give you great accuracy in correcting any tracking drift.
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