<p>I think you can achieve this effect using the built in Radio Waves effect.</p>

<p><a href="https://helpx.adobe.com/after-effects/using/generate-effects.html" rel="nofollow noreferrer">https://helpx.adobe.com/after-effects/using/generate-effects.html</a></p>

<p>I think you can restrict the arc size.  If you can't, you could always mask the areas of the circle you don't want to see.</p>

CC BY-SA 3.0
2017-12-16T16:15:10.543Z
Very close to what I needed...
LCarvalho
CC BY-SA 3.0
2017-12-16T08:59:40.987Z
2017-12-16T08:59:40.987Z
tomh
<p>With I could create an animation using arcs in After Effects as the example of the link below.</p>

<p><a href="https://goo.gl/images/RAaKJX" rel="nofollow noreferrer">Animation</a></p>

<p>I'm trying to animate only the region where the arcs are opening.</p>

<p>In After Effects I can not create arcs. My attempts were only with circles.</p>

<after-effects>
Animating arcs waves
LCarvalho
# Animating arcs waves

(Asked by: username_0 on 2017-12-15)

With I could create an animation using arcs in After Effects as the example of the link below.

[Animation](https://goo.gl/images/RAaKJX)

I'm trying to animate only the region where the arcs are opening.

In After Effects I can not create arcs. My attempts were only with circles.

**Tags:** after-effects


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## 1 answers

### Answer by username_1 on 2017-12-16. Score: 1 | Accepted answer

I think you can achieve this effect using the built in Radio Waves effect.

<https://helpx.adobe.com/after-effects/using/generate-effects.html>

I think you can restrict the arc size. If you can't, you could always mask the areas of the circle you don't want to see.

> **Comments:**
> **username_0**: Very close to what I needed...  

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