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Activity Forums Maxon Cinema 4D focus pull / object animation not present in render

  • focus pull / object animation not present in render

    Posted by Jack Sewell on September 26, 2010 at 10:58 am

    Hi all,

    I’m coming up to the deadline on a job and some of the animation in my render is either not present or something has rendered which doesn’t happen in the animation at all.

    There’s a focus pull animation which doesn’t occur. This is on a camera using the easycam plug-in. There is also a camera zoom which occurs later for no reason.

    This is followed by an animation of a compass spinning which then doesn’t happen in the render. I’ve successfully rendered this animation in a test bounce using the same object, no problems. I’ve heard about adding a mograph cache tag to the object, but I’m not sure about the appropriate settings on it.

    I really have to get this sorted ASAP so any help would be greatly appreciated.

    thanks,
    Jack

    Carver Koella replied 15 years, 3 months ago 3 Members · 3 Replies
  • 3 Replies
  • Cory Petkovsek

    September 26, 2010 at 10:34 pm

    You didn’t give much detail. Do you have a specific question? It sounds like you are having trouble with animation in general, so help can only be general.

    Maybe some of this will help.

    Regarding the focus pull, how about rendering DOF as a separate depth pass and using it as a depth matte in after effects? I’ve had challenges getting C4D’s DOF to work the way I wanted it to as well (usually its given me only a one sided focus plane that blurs one side then extends to infinity, rather than having a small DOF with both front and back blurry).

    Mograph dynamics cache will allow you to precalculate the dynamics (physics), or possibly other mograph animations (I’ve only used it for physics). Probably not what you want for keyframed animation, unless you specifically are using mograph for these objects (cloner, mograph dynamics, etc).

    What about basic divide and conquer troubleshooting techniques? Duplicate your file, delete non relevant pieces of the scene and test the animation. If it works, test the items you deleted. If not, keep removing pieces until you strip it down to the same level as your test that did work, or you get it working. Seek to divide in half each time (delete half, keep half) which allows you to be very efficient in your troubleshooting and time as you narrow down what object, then which setting is causing the problem.

    Finally if these are keyframed animations (compass, camera) look in your timeline to see and adjust everything that is animating during the problem frames.

    Cory


    Cory Petkovsek
    Corporate Video
    http://www.CorporateVideoSD.com

  • Jack Sewell

    September 28, 2010 at 10:50 am

    The divide and conquer worked perfectly!

    It seems like a bug because I just deleted all of the animation and started again and it worked perfectly. To be honest I would have preferred to have discovered that I was doing something wrong, then my faith in the product would still be intact!

    Thanks so much for your input, it’s much appreciated.

    Cheers,
    Jack

  • Carver Koella

    January 27, 2011 at 5:56 pm

    For anyone finding this later:

    I was having a similar issue with MoGraph randomly wigging out, not doing what it was supposed to, rendering nonsense that didn’t happen in the software, etc. I was keyframing Cloner and Text objects with Rigid Body tags set to Follow Position and Rotation (in the Force window of the tag).
    Sometimes everything would be fine, sometimes not. I was about to stab an innocent co-worker in frustration. Finally I just (for no sensible reason) disabled Rigid Body and key-framed it to enable 12 or so frames before the object’s first animation, and whaddya know? Works every time. ::shrug::

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