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
Photorealistic Lighting with Maya and Nuke (2012)with Mark Lefitz2h 24m 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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