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Fractal Evolution NOT RENDERING

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Michael MezzinaFractal Evolution NOT RENDERING
by on Feb 11, 2010 at 5:59:40 pm

I've animated a fractal noise-based background for a car flying through the air. The composition is about 45 seconds long, and RAM preview shows the noise to be animating consistently for the duration.
However, when I render the comp out from the render queue the evolution only animates for about the first twenty seconds and stops. I've tried inserting keyframes at regular intervals, but to no avail.


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Jim DodsonRe: Fractal Evolution NOT RENDERING
by on Feb 11, 2010 at 10:13:22 pm

Here's a thought:
Are you sure the quicktime isn't freezing during playback?

Try moving the playhead to the middle of the clip and pressing play from there (to see if it might actually be fine -- but simply QuickTime is freezing up during playback)...

What format are you rendering out to and what are the dimensions of your clip?

Jim Dodson

8 Core Intel -- Mac - OSX

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Barry MichaelRe: Fractal Evolution NOT RENDERING
by on Feb 20, 2010 at 5:55:10 pm

I Feel like such a moron... I have a cold so I will blame that...

I found this thread trying to solve this same problem, I skipped through the rendered file and sure enough it was just freezing up on me.

Thank you for your patience and time answering questions like these for people like me who are self taught amateurs (With Colds)

Barry Michael

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Dave LaRondeRe: Fractal Evolution NOT RENDERING
by on Feb 11, 2010 at 10:25:01 pm

If it's okay when previewing but NOT when rendered, the culprit very well could be AE's infamously poor relationship with Open GL. If you have Open GL enabled for rendering, turn it off.

On the other hand, if you have certain kinds of video footage in your comp, it too could be giving
AE fits. Read on:

Dave's Stock Answer #1:

If the footage you imported into AE is any kind of the following -- footage in an HDV acquisition codec, MPEG1, MPEG2, AVCHD, mp4, m2t, H.261 or H.264 -- you need to convert it to a different codec.

These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.

In order to maintain peak rendering efficiency, AE needs complete information for each and every frame. But because these kinds of footage contain only partial information, AE freaks out, resulting in a wide variety of problems.

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

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