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marko ivezic
failed render
on Dec 10, 2009 at 1:06:25 pm

Here's the thing.

I know that i have really, REALLY low pc configuration with only 2gb ram but problem is here.

After a while of rendering, AE just stops rendering and says "Failed render at ####".

When i go back to main comp, the viewport screen is black. I try to render from render breakdown position, but it keeps crashing. I try to close the project and open it again, but it keeps doiing the same. black screen and won't render.

When I close AE CS4, and open it again, it opens the project just fine, and keeps rendering from the breakdown position fine, but then after a while it crashes again.

And i have to do the same procedure over again. Clos AE, open it, open project and render it from crashed position.

I have played with my project, and few times i have got "not enough memory for bluring", and found out that the dof of camera maybe causing that problem. Shut down the dof but still get the breakdowns.

Have tried all the solutions found out on net, memory cash, disable opengl, acitvating purge at even 1 frame, with multiprocesing and without.

Within week of testing i have found out that AE keeps building up Mem usage (watched in windows task manager) to about 1,4 gb, and somewhere on that point it crashes my project. Funny thing is that even when I close project, purge all memory it keeps having that Mem usage. When I restart AE, mem usage drops to 150mb. Is there any way (besides purge after ### frames in secret preferences) to flush memory?

In project I'm using trapcode particular 2 for creating snow and dispersion of text and going to 20000 particles for aprox second or two.

And one thing, i have tried rendering project on friends slightly better comp with 3gb of ram. Win 7.

If there are some solutions, would be very greatefull to read them.


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Dave LaRonde
Re: failed render
on Dec 10, 2009 at 3:56:15 pm

Prerender everything you can.

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

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Todd Kopriva
Re: failed render
on Dec 11, 2009 at 4:43:23 am

Dave's short answer is full of wisdom.

Todd Kopriva, Adobe Systems Incorporated
putting the 'T' back in 'RTFM' : After Effects Help on the Web
If a page of After Effects Help answers your question, please consider rating it. If you have a tip, technique, or link to share---or if there is something that you'd like to see added or improved---please leave a comment.

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Joseph W. Bourke
Re: failed render
on Dec 11, 2009 at 2:30:27 am

Marko -

This might be a job for the secret settings in AE. There is a command palette which is normally hidden in AE, which will allow you to purge frames in a render after a certain number of frames. When I was working on a less well-equipped PC, I used the setting, and it saved my skin.

Go here:

Look down a few paragraphs and you'll find a walk-through of what you need to try. To get to secret settings, hold down the Shift key and then select Preferences. You'll see the secret settings at the bottom. I think I used "purge every 15 frames", and it stopped my problems, but read up on the details, and try it. There is a ton of useful information on this site related to all sorts of AE troubleshooting. Good luck!

Joe Bourke
Creative Director / Multimedia Specialist
B&S Exhibits and Multimedia

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marko ivezic
Re: failed render
on Dec 11, 2009 at 9:51:38 am

thank you guys for really fast answers. will try what you've said and tell you the results that i've got.

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marko ivezic
Re: failed render
on Dec 18, 2009 at 9:46:50 am


I think i've found solution.

In my project, (it is intended to sell on videohive) i'm controlling sets of actions with markers on one layer. I've made ("Start"), ("Title 1"), ("Title 2"), ("End"), markers. and when i move them through time, the sets of actions (move solid form one place to other, start and after a while end particles per second, change opacity, change wipe and feather of linear wipe, and stuff like that) move with them. I've done this so that user can easily adjust timign of this project. If it needs one part of project longer than the other then he or she just scrub marker later on. Problem is that i have lots of expressions and variables and for some reason AE with lots of those keeps building up memory usage. After I have decided to keyframe all used expressions i'm (still testing) able to render the whole scene without crashing.

So now I have another problem :)

How to convert every expression in Composition, or maybe better in every open composition on timeline. Is it possible?

I have found out on this really great place (MOOOOO) this script which i intend to tweek and use in my project. But it would be nice if someone knows how to convert all expressions in comp.


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