Aharon Rabinowitz
Forum Replies Created
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No Worries, it’s why we’re here.
I believe it means premultiplied with color, meaning, it includes the BG color. But I’m not sure.
Man, now I need to go back and do my homework…
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
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Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
That’s right. AE fills the BG with the color of your choice, but as long as you use a Straigh (Unmatted) render, that BG color will not be seen in your composite. If you did a Premultiplied render, your partically transparent areas would pick up some of the BG color, resulting in discoloration and color fringing.
As long as there is an empty BG, then using the render settings I gave you will produce a video with an alpha channel that does what you need.
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
In the August 2003 Library (I think) there is a glass shatter emitter which could help add to the effect.
https://www.wondertouch.com/downloads/new_libs/emitters_03_08_il3.zip
Also, if you want to do it yourself, here are some looping debris sequences I made a while back. If you use them as the emitter shape for one of your emitters, it may help:
https://www.allbetsareoff.com/pIllusion/Debris_Sequences.zip
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
particleIllusion offers the ability to use an image as the emission source. You can use the features called “Area Emitter mask,” or “Get Colors from Layer.”
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
Not sure what formats Flash can import, but you need to render to an image or video format that supports Alpha (as you said). If Flash imports Quicktime movies, that’s probably Ideal – use animation compression.
IF it doesn’t support QT, then maybe try PNG or TGA.
When you render you need to go into the render queue, and in the output module settings, set the channels to “RGB + Alpha,” and then set the color to “Straight (Unmatted).”Please note that if you look at the files outside a video program that reads alpha channels they will look terrible. Straight renders aren’t meant to bee seen without their alpha channel being interpreted by a video program, so if you looed at in photshop or quicktime, it will be messy, especially around the partially transparent areas. Ignore it.
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
I have to admit, I’m not sure what to tell you. Not really sure what’s going on under the hood, but I’d love to know.
Here’s something that might help – turn on the Caps lock key while you;re rendering. It has been known to shave some time off a render becasue it keeps the comp window from having to update the visible image.
You may want to repost in a new string with the heading “Do invisible layers have to be calculated?” and see what other people say. I’m a at total loss.
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
When you say small clips – do you mean nested compositions with animated layers in them, or video footage?
Honestly I’m not I know the answer to your question, but I’d guess that precomped elements (not video like Quicktime or AVI)nested in the main comp, even if if off to the side of the main comp (where it can’t be seen), still require the overhead of animating them, though it might not be as much if it were actually seen. For movie clips, I’m not really sure.
This is just guessing, based on my experience, so if anyone knows better, please chime in.
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
If it never worked, you’re best contacting adobe. You are entitled to 90 days of support after you install the software – starting from your first call.
Go to the adobe website to get the support number, and then call them.
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
It’s probably using a codec AE doesn’t understand. You’ll probably have to convert them to another format before bring it into AE?
Have you tried other video files (non Frap) in AE?
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Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com -
Perhaps the video codec/compression you are using is not something AE (or avid can understand.
What format is your source video? Try it with other types of footage too.
—————————————-
Aharon Rabinowitz
aharon(AT)yahoo(DOT)com
http://www.allbetsareoff.com
—————————————-
Creative Cow Master Series DVD
particleIllusion Fusion Volume 1
available @ http://www.pIllusionFusion.com