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Pre-Comps lose Transparency

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Ryan GregoryPre-Comps lose Transparency
by on Feb 27, 2013 at 8:20:48 pm

CS6 on Windows 7. I have a comp with 20 or so layers of text/graphic over a background. While trying to clean up my comp, I pre-comped the text/graphic layers, and it lost its transparency and the background is now black. If I turn on "Collapse Transformations" it comes back, but this seems like more of a bug than a "feature". Can anyone else confirm they are having this issue? Is this a bug? I just don't see why it would change after all these years. Thanks!


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Dave LaRondeRe: Pre-Comps lose Transparency
by on Feb 27, 2013 at 9:56:59 pm

Double-check for a black solid in the problem comp, and delete it.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Ryan GregoryRe: Pre-Comps lose Transparency
by on Feb 28, 2013 at 3:08:19 am

Yeah, there is no black solid. If I take a comp that has transparency and add it as a layer to my main comp, everything works normal, but when working within this comp, and I pre-comp existing layers, it loses the transparency. Very strange.


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Vishesh AroraRe: Pre-Comps lose Transparency
by on Feb 28, 2013 at 10:53:09 am

Ryan

It seems that you have one of the Graphic Layer with a Blending mode say ADD or MULTIPLY. Am I right? If it is so, then the behavior is expected.

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

2011 3D Demo Reel:








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Ryan GregoryRe: Pre-Comps lose Transparency
by on Feb 28, 2013 at 3:41:31 pm

Yes, I do have transfer modes set to add. I can't believe I have never ran into this before. Is it new? Either way, if its expected than that explains it. Thanks!


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Dave LaRondeRe: Pre-Comps lose Transparency
by on Feb 28, 2013 at 4:19:59 pm

Any chance of creating transparency on the undesired portion of those those problem layers? One of AE's Channel effects comes to mind. Perhaps even a keyer.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Vishesh AroraRe: Pre-Comps lose Transparency
by on Feb 28, 2013 at 11:39:51 pm

Ryan

Yes, I do have transfer modes set to add


Are you using it to Blend(Say remove) Black BG?

Try this free plugin :

Knoll Unmult


Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

2011 3D Demo Reel:








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