Join Lee Lanier for an in-depth discussion in this video Applying tracks to multiple layers, part of VFX Techniques: Crowd Replication with After Effects.
We've successfully motion tracked our first crowd footage here so it follows the camera, and…now we're ready to bring in a second group and put it in the center.…File, Import File, now grab Crowd 1B. Open that. Drop that on top. Take a look.…Now it's just similar to 1A, but it's a little bit different too. We shot the center position…of the camera dolly, but it's also static.…So we are going to just follow mainly the same steps as we did with 1A.…First thing to do is draw a garbage mask around this group of people with the Pen tool.…
You need to watch out for his feet so you don't cut those off.…There we go, and I want to avoid any kind of shadow. If I can cut that out, that will help.…Not too worried about the lower shadows down here at the bottom.…Next thing to do is to apply keylights.…Now to save time, what I can do is go down to 1A and steal the keylight from that.…Just go to the KeyLight effect, Edit > Copy and go back up to 1B and Edit > Paste.…Now, while I am thinking about it, I'm going to rename this also, 1B.…
- Setting up your project
- Removing camera jitter
- Motion tracking CG renders
- Creating light effects
- Keying with Keylight
- Solving bad matte edges
- Rotoscoping green screen footage
- Color grading to match elements
- Relighting the scene
Skill Level Intermediate
1. Getting Started
Reviewing image sequences4m 13s
2. Tracking and Integrating Renders
3. Working with Greenscreen
4. Color Grading and Rendering
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