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Activity Forums Adobe After Effects 3d motion blur in AE (from c4d)

  • 3d motion blur in AE (from c4d)

    Posted by Sketchbook on December 26, 2006 at 6:17 pm

    Hi all, my first post on the cow.

    I am a c4d user, and i have been working on an animtion (something new for me). i am looking for a good solution for 3d motion blur, and i want it as something i can do in post interactively. i found a plugin https://www.rpfmb.com/ which looks exactly like what i need, but it says it only works on a PC. Any other solutions anyone knows of?

    real smart motion blur seams to be a good one too. however it doesn’t mention c4d on the site. anyone used that?

    thanks

    Sketchbook replied 19 years, 4 months ago 3 Members · 6 Replies
  • 6 Replies
  • Chris Smith

    December 27, 2006 at 6:36 am

    Yeah, I’ve done a number of experiments with RSMB and it works really well. You render the motion vector output from C4D and use it on the Vector MB plug that comes in the RSMB suite in AE.

    Download the demo of RSMB and play with it.

    HOWEVER! Read the instructions extremely carefully about how to use the alpha channel with it. It uses the alpha not for transparency, but to define where to “Turn it on” so-to-speak. If you don’t do the alpha right, the blur will just be an arbitrary direction and won’t match to the motion of the render. But once you get the process down, it’s very cool. If you go frame by frame you will notice small deformations here and there, but I dare you to notice while in motion.

    Chris Smith
    https://www.sugarfilmproduction.com

  • Mylenium

    December 27, 2006 at 11:36 am

    Just like Chris said, use RSMB Pro combined with a motion vector pass. Should be no problem at all. The only real trick is to adjust the motion duration value in C4D’s rendering options or otherwise you will not get enough differentiation in the motion pass. Also always use 16 bit images to avoid some of the “bumping”/ smear Chris mentioned.

    Mylenium

    [Pour Myl

  • Sketchbook

    December 27, 2006 at 6:58 pm

    thanks guys! i will download it and test it out. much obliged!

  • Sketchbook

    December 27, 2006 at 8:07 pm

    ok, so i have a scene. set it up.

    under render settings/effects i choose vector motion blur correct? there are quite a few settings under this. i don’t see a duration value.

    is this the correct procedure?

    thanks!

  • Chris Smith

    December 27, 2006 at 9:46 pm

    In the multipass settings it’s one of the channels you can render out. It’s not an effect.

    Chris Smith
    https://www.sugarfilmproduction.com

  • Sketchbook

    December 28, 2006 at 12:06 am

    ah. ok. i did a test with the effects, and it actually had some effect on the renders which i imported into AE. thanks for the help.

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