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martinhan1979
Participating Frequently
November 11, 2018
Answered

Render time adobe after effects

  • November 11, 2018
  • 2 replies
  • 3834 views

Hi

I am new to after effects recently. But recently I have done a few backdrops with simple particle effects such as snow on to of existing jpeg images (10mb). I rendered these out and the time was 40mins approx. More recently I have created another backdrop with twinkling light on tree and garland and also a fireplace with moving fire. All were done using particles. But when I go to render this, my estimated time is 14hrs. Please can someone advise me on this as I have about 10 of these to do and can't have render time of 140hrs altogether, I used both aftereffects and adobe media encoder both with similar results.

thanks

    This topic has been closed for replies.
    Correct answer Roland Kahlenberg

    See if there are single layers or groups of layers that can be pre-rendered - especially the particles if they are heavy-renders. Ideal candidates for pre-renders are those layers or groups of layers whose output can/will be used in more than one 'final render'.

    You may also want to look at Render Garden, to speed up your renders.

    RenderGarden | by Mekajiki

    2 replies

    Dave_LaRonde
    Dave_LaRonde
    Inspiring
    November 11, 2018

    I presume you understand that the duration of the animation makes a difference.  A 2-second animation takes half the time to render as a 4-second animation under most circumstances.

    So how long are YOUR animations?  You haven't said.

    M
    martinhan1979Author
    Participating Frequently
    November 12, 2018

    Hi dave, thanks also for your reply, my clip is 30 seconds long at the minute, but i want to extend it to 15mins, so if it taking that long for 30 seconds who knows what render time 15mins will be. Through testing pre render I discovered it is the fire which is causing the problem (created using particles. 2 different lights layers would take approx 25mins each to pre render while fire would take 8hours. Any advice would be welcomed

    Martin

    Dave_LaRonde
    Dave_LaRonde
    Inspiring
    November 13, 2018

    If you're making a fire out of particles, there isn't much you can do.  You'll have to suck it up and do an overnight render.  For 30 seconds of video. Sorry.

    In Days Of Yore, overnight renders were a fact of life in AE.  So although I know you're frustrated, you don't get any sympathy.

    Roland Kahlenberg
    Roland KahlenbergCorrect answer
    Legend
    November 11, 2018

    See if there are single layers or groups of layers that can be pre-rendered - especially the particles if they are heavy-renders. Ideal candidates for pre-renders are those layers or groups of layers whose output can/will be used in more than one 'final render'.

    You may also want to look at Render Garden, to speed up your renders.

    RenderGarden | by Mekajiki

    Very Advanced After Effects Training | Adaptive & Responsive Toolkits | Intelligent Design Assets (IDAs) | MoGraph Design System DEV
    M
    martinhan1979Author
    Participating Frequently
    November 12, 2018

    Hi Roland thanks for your reply. I have 2 different layers of twinkling lights, and a layer with a fire. I set up pre render on each just to test them. The 2 lights give estimated time of 25mins each approx while the fire give estimate of 8 hours, so the fire obviously the problem. (all were done using particles. My question is now , if I pre render the fire what  should I output it as, i.e.: .mov or mp4 if I want the background transparent so as to place fire over other still images. My fin outputs will be as mp4s for complete background.

    Thanks

    Roland Kahlenberg
    Roland Kahlenberg
    Legend
    November 12, 2018

    Most users use QuickTime with either DNxHD, Cineform or the Animation CODEC. These CODECs support alpha channel - ensure you set the output module accordingly.

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