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Activity Forums Adobe After Effects Shadows, blur, and Open GL rendering

  • Shadows, blur, and Open GL rendering

    Posted by Chris Detjen on May 5, 2010 at 5:17 am

    I have a complex scene rendering out of Ae. Complex only due to the great number of layers that are casting shadows. I am using Trapcode Echospace to make 100’s of layers that replicate. One spot light is casting shadows over the entire scene and motion blur is enabled.

    The issue is on rendering with Open GL. The results show glitchy shadows (hard edges, even though diffused in the comp). Also, it doesn’t look like motion blur, nor camera depth of field blur is rendering.

    I have an image that shows the difference between two renders. One with Open GL, and one without.

    I’d like to figure out what is wrong with the Open GL render as it is remarkably fast compared to a 8+ hour estimated render without Open GL. But, as I’ve learned from searching the forums it seems that Open GL is quite problematic. I just wanted to follow through and see if maybe I’ve missed something, before I completely avoid OpenGL on rendering.

    Any support would be appreciated.

    Running Ae CS3 and Trapcode EchoSpace. Mac 2×2.66 GHz Dual-Core Intel Xeon, 4GB Ram, Radeon X1900 (with Open GL support: version 2.0 ATI-1.5.48).

    https://greerftp.com/greervideo/Temp/Render-Issue.jpg

    Image:
    https://greerftp.com/greervideo/Temp/Render-Issue.jpg

    John Cuevas replied 16 years ago 2 Members · 2 Replies
  • 2 Replies
  • Chris Detjen

    May 5, 2010 at 4:19 pm

    Thank you for the reply. As you said… no Open GL, no multiprocessing, so overnight renders it will have to be.

  • John Cuevas

    May 5, 2010 at 4:49 pm

    Used to…..

    All my quad processors and 16 gigs of RAM have given me is the freedom to make my projects X fold more complex—All that power and I still do a lot of overnight renders.

    Johnny Cuevas, Editor
    http://www.ckandco.net

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