Join Mark Christiansen for an in-depth discussion in this video Solve problems with nulls and parenting, part of After Effects Compositing: 6 Tracking and Stabilization.
- One thing that comes up all the time with tracking…is that you'll have more than one set of data.…One of the reasons that I like applying that data to a null…is that, when you have it applied that way,…you are free to not only parent your motion to that null…so you can move the other layer around…as much as you want, the child layer,…but then you can make the parent null itself…a child of another null, and that is the solution…and the easiest way to combine two sets of motion.…
So here, I have the Track Matte following…the first set of motion data…but then I have that red square there…that is the combination with TrackerViz…of several different motion tracks.…That's not applied.…So to apply it, there are just a couple of simple rules.…First of all, you should definitely have two…completely distinct sets of motion data…and you need to have one frame where one ends…and the other one begins,…and you need to park your current Time Indicator there…when you set parenting, so nothing moves around.…
Then I just parent the former parent null…
Here, Mark Christiansen shows how to use the five different After Effects trackers, customizing them to work best in the situations that motion graphics artists encounter most often. He covers the fundamentals, as well as opportunities to think outside the box, especially when an automated approach won't work.
- Why point track?
- Recognizing trackable points
- Offsetting a tracker
- Applying the track to a matte
- Using nulls and third-party scripts to create track mattes
- Tracking and stabilizing objects and planes
- Automated tracking
- Applying 3D tracks
Skill Level Intermediate
VFX Techniques: Crowd Replication with After Effectswith Lee Lanier2h 54m Intermediate
VFX Techniques: Tracking Objects onto a Facewith Lee Lanier2h 42m Intermediate
1. Why Point Track?
2. Complex Motion Tracking
3. Adding Tracking Tools
4. Tracking and Stabilizing Objects and Planes
5. Working with Automated Tracking for VFX
Apply a 3D track4m 41s
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