Answers.Body: <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>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-12-16T16:15:10.543Z
Answers.Text: Very close to what I needed...
Answers.UserDisplayName: LCarvalho
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-12-16T08:59:40.987Z
Answers.LastActivityDate: 2017-12-16T08:59:40.987Z
Answers.UserDisplayName: tomh
Body: <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>
  
Tags: <after-effects>
Title: Animating arcs waves
UserDisplayName: LCarvalho
ThreadText: # 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
  
  
  ---
  
  ## 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...  
  
  ---
  
  