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Activity Forums Adobe After Effects 3D to 2D, tifs from Maya, need to be smooth, look jittery

  • 3D to 2D, tifs from Maya, need to be smooth, look jittery

    Posted by Michelle Aubrecht on September 8, 2008 at 6:37 pm

    We are working on a project wherein the tifs are rendered from Maya and created with a toon shader. So it looks like a simple line drawing (black line on white background) when animated in After Effects. The problem is that as the object moves across the screen, it jitters rather than moving smoothly. I’ve tried several blurs and frame blending, but there is still a jitter which looks terrible. The frame rate is 29.9 and the movement is 77 frames from right to left. It is a shot of a puppy walking. So the puppy goes from off screen right to off screen left in 77 frames.

    Any ideas on how to make it look smooth, retaining the sharpness of the lines without slowing the timing?

    Michelle

    Steven Jenkins replied 17 years, 7 months ago 3 Members · 4 Replies
  • 4 Replies
  • David Coiffier

    September 8, 2008 at 10:19 pm

    Does the jitter occur on video monitor or even on your computer screen ?
    If that’s only on video monitor, it’s prolly related to interlace flicking, because of the thickness of your toon lines.
    If it’s also on the computer screen, then it’s more something like too fast mvt, or 3D being rendered without any motion blur. Did you render motion blur in Maya ?
    If you didn’t, and don’t have time to rerender, then you could use an intelligent motion blur plug, like Furnace motion blur (I’m not sure it is available for AE, as I use it from Shake), or equivalent…

  • Michelle Aubrecht

    September 9, 2008 at 12:56 am

    We have been using computer screens currently (however, this will be projected on a very large screen, so any shaking will be very noticable) – there is a problem with the motion blur in Maya (so it was not used) however, I found a thread about it in Creative Cow and passed on to the person working on that part. That might work – (a black halo appears when motion blur is enabled in Maya.) I was trying to find a way to fix it through AE if possible.

    We are considering buying a plug in but were hoping to find a way to make it work. We don’t have Shake, but we do have Combustion. That was my next thought – to try a more sophisticated compositing program. Do you know what I could try in Combustion? Should I just try all the motion blurs I can find as I did with AE?

    Thanks for sharing your ideas – Michelle

  • David Coiffier

    September 9, 2008 at 8:26 am

    Apparently Furnace is not available for AE neither Combustion…
    But it is for Shake, Nuke, Autodesk, or Fusion.

    If you don’t own any of these packages, you still can buy Shake, as it’s a marvellous tool, specially for 3D integration, and it’s really inexpensive (500$ I think). In fact Foundry package for Shake is way more expensive than Shake itsel, and to be honest really expensive, even or such great tools…

    A cheaper way would be using Reelsmart motion blur. I didn’t test it personnaly, but I’ve heard many people happy with it…

  • Steven Jenkins

    September 10, 2008 at 9:52 am

    After you import your footage into AE, check the interpret footage settings, where it says interlacing off/on, etc. Make sure it matches the way you rendered in Maya. (If you didn’t render interlaced footage in Maya (rendered progressive instead), and AE thinks it’s importing interlaced frames, your motion will jitter the way you’ve described.)

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