Radial Lines

[Ridley Walker]

This should be fairly easy to do using shape layers and repeaters.

Make a rectangle shape adjust the width and height then add a repeater.

Set the repeater transform position to 0 in the x any y. Set the number of copies to your desired number. Set the rotation to the number of 360/ the number of copies.

Animate size and position for the rectangle path.

See: 5439_shapeanim.aep.zip

[Todd Kopriva]

Here’s one way, with a shape layer with a circular path, a dashed stroke, and a Repeater:

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Looks like Ridley beat me to it. Good to get confirmation, though.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Rob Rosko]

Thanks a lot guys. Exactly what I needed.

[Ridley Walker]

And Todd confirms there is an alternate method!