Join Chris Meyer for an in-depth discussion in this video Rendering with alpha channels, part of After Effects Apprentice: 06 Type and Music.
We have a text animation we are happy with, and now we'd like to render it.…If you recall, I have two layers in this animation:…I have the text layer, and I have a background movie with the penguins.…If I was to render this as a composite, I only need to render the RGB channels.…I wouldn't need an alpha channel because the movie is filling the entire frame.…However, let's say your client isn't sure of what the background movie should be,…so they've asked you only to render the animated title.…
In order for them to composite this animation on another background, I need to…render an alpha channel.…I will turn on the transparency grid so you can see exactly what's transparent…and also see that this title has a nice black drop shadow.…I want to make sure that the shadow is composited smoothly on whatever…background they add in the editing program.…If you'd like to see what the alpha channel looks like, you can set the Show…Channels to Alpha Channel, and you can even RAM preview it.…Wherever the alpha channel is white, the text will be fully opaque; where it's…
The After Effects Apprentice series was created by Trish and Chris Meyer. The tutorials are designed to be used independently and as a companion to their book After Effects Apprentice.
- The core text animation recipes
- Animating text along a path
- Working with text animation presets
- Timing animation to audio
- Per-character 3D type
- Rendering with an alpha channel
- Making Photoshop type editable in After Effects
- Professional typesetting tips
Skill Level Beginner
Q: This course was updated on 11/20/2012. What changed?
A: We have added four new movies to the end of Chapter 8, "Working With Audio." All four of these movies (Spotting dialog, Timing dialog to music, Mixing audio, and Refinements) apply to all versions covered by the course. In addition, there are new sets of exercise files designed for After Effects CS5.5 and After Effects CS6 and a companion movie that shows our premium subscribers how to use the exercise files.
After Effects Apprentice: 07 Parentingwith Chris Meyer1h 40m Intermediate
After Effects Apprentice: 08 Nesting and Precomposingwith Chris Meyer2h 24m Intermediate
1. Creating Type
2. Animating Type
3. Cascading Type
4. Animating by Words
5. Flowing Text
Animated tracking5m 46s
6. Per-Character 3D
7. The Wiggly Selector (and More)
8. Working With Audio
9. Using Text Presets
11. Typesetting Tips
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