Join Chris Meyer for an in-depth discussion in this video Rendering with alpha channels, part of After Effects Apprentice 06: Type and Music.
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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 videos on lynda.com were created by Trish and Chris Meyer and are designed to be used on their own and as a companion to their book After Effects Apprentice. We are honored to host these tutorials in the lynda.com Online Training Library®.
- 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