Join Lee Lanier for an in-depth discussion in this video Adding multiple trackers, part of VFX Techniques: Crowd Replication with After Effects.
So far we have applied motion tracking to 3D renders.…You can also apply motion tracking to static artwork.…Let's give that a try.…I would like to import a solar panel piece of art and place on the right here, but then…have it adopt the camera motion.…So I will get the artwork first, File > Import > File, and instead of going to Footage, I will go…to the Artwork folder and open SolarPanels.tga.…This is just a static piece of art created in Photoshop.…When you open it, because it has the Alpha channel, it gives me the Interpret Footage window.…
In general, I want to select Premultiplied here to guarantee the best Alpha matte edges.…It is set to that, so I can press OK. Now Alpha is also an issue with image sequences.…In fact, the tubes render also has Alpha, but because it was a PNG, that window did…not open when we imported it.…We can always double check the Alpha interpretation by right-mouse clicking over the image sequence…in the Project panel, going to Interpret Footage, and going to Main.…Up here at the top are the Alpha options.…
- 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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