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Activity Forums Adobe After Effects Refraction in Post

  • Refraction in Post

    Posted by Christopher Rotter on December 6, 2009 at 3:19 am

    I’m hoping someone could tell me what I would need to do to adjust a refraction map that was created in a 3D program for compositing. Currently I can render out a refraction map, but I’m not sure how to composite, would just a blending mode work ?

    Christopher Rotter replied 16 years, 5 months ago 2 Members · 4 Replies
  • 4 Replies
  • David Bogie

    December 6, 2009 at 6:07 pm

    You’re going to need to talk to users of that 3D app, I should think. A refraction map won’t do you much good in AE, AFAIK. You can use the output, which I assume is a grayscale movie, for various purposes with a number of different compound effects in AE but you won’t find a specific “refraction filter.” Reflections are a bit easier accoriding the cow’s AE wonks.
    https://forums.creativecow.net/thread/2/926454

    try some of these?
    https://library.creativecow.net/articles/kramer_andrew/reflections.php_with_refractions/
    https://library.creativecow.net/articles/kramer_andrew/reflections.php_with_refractions/
    https://www.videocopilot.net/blog/2009/08/refraction-fx-in-ae/
    https://www.videocopilot.net/tutorials/?id=79

    bogiesan

  • Christopher Rotter

    December 7, 2009 at 2:30 pm

    I’ve read about using normals for refraction. I know that compositing refractions is not common from what I’ve read from others. The first two links you’ve posted, return a 404 error 🙁

    I’m taking a look at the refraction tutorial on Video Co-pilot which are one of the links you posted there is a plug in for using refraction maps with normals, I’ll try that out see what I come up with, hopefully it works.

  • David Bogie

    December 8, 2009 at 3:07 pm

    > The first two links you’ve posted, return a 404 error 🙁 >

    Search the index of AE tutorials for RE_FREAKING_FRACTION. It simply cannot be too difficult.

    bogiesan

  • Christopher Rotter

    December 9, 2009 at 12:55 am

    Search the index of AE tutorials for RE_FREAKING_FRACTION. It simply cannot be too difficult.

    bogiesan

    —-

    Childish is the wrong word !
    Anyhow, how am I suppose to know if the information is even available or where the link, links too ? I’m well aware of the search function, I don’t need you to address it to me.

    Besides the information was not was I was after but I do want to thank the person for posting the links, I really do not know, where your comment came into the thread, but you do have the freedom to post, regardless if it was uncalled for.

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