Join Chris Meyer for an in-depth discussion in this video Application, part of Motion: Natural Light Effects.
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Here I am in Apple Motion where I have already created some text that I'd like…to add some light rays to. You might have noticed that I have already opened…the Layers panel. It's underneath Window > Layers. Command+4 is a shortcut.…Make sure you have got it open because you are going to be using it a lot in…this exercise. Now, for maximum flexibility, it's best if the original text and…the light ray version of the text are in their own groups. So, I'll select my…text group and go Edit > Duplicate or Command+D. I'll rename my duplicate, …so I can keep track of it, text rays, and I'll select either the text itself or the…entire group and apply my effect. Add Filter > Glow > Light Rays and of course,…you can use any Glow, Light Ray or similar effect for this trick. Here's my rays.…
I'm going to go ahead and drag it down so I have some rays projecting off…the top. If you notice that your rays are getting cropped, you can move to…Light Rays Filter and increase its Expansion parameter to loosen the boundaries…
Volumetric lighting effects, such as light rays and glows, are susceptible to two common problems: They can look too synthetic, and they are prone to banding when compressed for DVDs and the web. In Motion: Natural Light Effects, Chris Meyer shows how to make light look more realistic by adding dust or swirling smoke, creating natural imperfections that help with compression. He demonstrates how to do this using stock footage of this natural phenomenon or Motion's Particle Emitters.