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Alpha to mask shape

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stig olsen
Alpha to mask shape
on Nov 26, 2013 at 9:34:16 am

Hi,

I have imported some images with alpha from PS into AE.
When applying a mask, the mask will not fit to the masked out area, the mask is rectangular and fit to the composition edges.
How to avoid this?

Is there any way to convert the alphas to mask shapes?

stig


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Dave LaRonde
Re: Alpha to mask shape
on Nov 26, 2013 at 3:43:50 pm

If you don't plan to animate the masks you want to make, you don't have to even make masks. Just use the Photoshop layer as a Track Matte.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Roland R. Kahlenberg
Re: Alpha to mask shape
on Nov 29, 2013 at 2:33:18 pm

Look at using the Autotrace feature. You'll find it under the Layer menu.

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects CS6 ACE/ACI


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stig olsen
Re: Alpha to mask shape
on Nov 29, 2013 at 2:37:18 pm

Perfect, thanks!

Im used to choking and blurring the alphas, but sometimes you need a mask.

Stig


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