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AaronKGreen
AaronKGreen
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CS6 AE Raytrace problem

May 11, 2012 10:03 AM

I am getting weird lines and shapes inside of my text when using the raytrace 3D renderer in After Effects CS6. I've tried using RAM preview, Rendering, Draft, Full Resolution, turning off lights, etc. Tried both GPU and CPU. Any idea what is causing this?

 

My specs:

Core i7, 12gb RAM, Windows 7, Nvidia GTX285 up to date drivers.

972 Views   6 Replies   Latest reply: AaronKGreen, May 12, 2012 7:35 AM
 
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  • Mylenium
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    1. Mylenium,
    May 11, 2012 11:37 AM   in reply to AaronKGreen
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    Screenshots tell more than words, but based on 19 years of doing 3D, I can already kinda guess what's going on: You have chosen a font that results in non-convex shapes and the program can't figure out a consistent tesselation/ polygonization to derive geometry from the contours. I'm reasonably sure another font will work just find. If it doesn't, then this could only be precision issues with hardware redner clipping and/or the precision of the polygon conversion resulting in slightly different, inconsistent patterns for each frame...

     

    Mylenium

     
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  • AaronKGreen
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    2. AaronKGreen,
    May 11, 2012 11:47 AM   in reply to Mylenium
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    Thanks for replying. I tried a couple of different fonts and the same thing happened. As you said though, it is producing slightly different, inconsistant patterns each frame. Any idea on how to work around this? Thanks.

     
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  • Todd_Kopriva
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    3. Todd_Kopriva,
    May 11, 2012 1:06 PM   in reply to AaronKGreen
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    What is the ray-tracing quality setting that you're using?

     

    Show screenshots.

     
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  • AaronKGreen
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    4. AaronKGreen,
    May 11, 2012 1:14 PM   in reply to Todd_Kopriva
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    I'm using 8 quality currently. Tried up to 24.AEraytrace.jpg

     
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  • Mylenium
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    5. Mylenium,
    May 12, 2012 12:18 AM   in reply to AaronKGreen
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    You are putting your dark text on top of the block without enough separation. The renderer simply cannot decide which polygon is on top of each other. Offset the text slightly.

     

    Mylenium

     
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  • AaronKGreen
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    6. AaronKGreen,
    May 12, 2012 7:35 AM   in reply to Mylenium
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    Youre right! Thank you. I put the text at -1 in z space and it looks normal.

     
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