Join Mark Christiansen for an in-depth discussion in this video Keep position precise and rotation simple, part of After Effects Compositing 06: Tracking and Stabilization.
- One of the few things we haven't delved into yet…is adding Rotation and Scale to a track.…Now there's not much in the way of Scale in this scene,…which would be tracked by how far apart two points are,…but as soon as I add either Rotation or Scale…a second point is added.…So in the case of Rotation it's just comparing…basically the angle off this line between those two points.…So the couch does tip an angle in the shot,…so let's see what happens if we measure…Rotation of this couch.…
So again I'm going to choose a point that's not too close…but is as coplanar to the camera as possible.…Now, in fact, we're going to see that this one's not as…coplanar as it looks, but let's just see what…happens if I track it.…One thing I will say is going to happen if I…just press Track Now, is this other point that I carefully…molded into place is going to be re-tracked…and all of those tracks are going to be blown away.…
There is s a fix for this, so check this out.…I can see my two track points right here,…One and Two.…I just closed One.…
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
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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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