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Bad (erratic) 3D font rendering in Fusion

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StepanD

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  • Joined: Thu Sep 29, 2022 2:56 pm
  • Real Name: Stepan Davidovic

Bad (erratic) 3D font rendering in Fusion

PostFri Sep 30, 2022 2:33 pm

Hi,

I'm trying to debug a case of erratic 3D font rendering in Fusion. The attached two images illustrates it, it's two consecutive frames from the same video.

snip1.png
snip1.png (62.2 KiB) Viewed 711 times

snip2.png
snip2.png (61.55 KiB) Viewed 711 times


I'm an amateur, so the setup is really nothing complicated: 2x 3D texts (upper and lower) + directional light, 3d merged and rendered with a moving camera. There are no keyframes in the snippet, which makes me feel the glitch could be a SW bug?

Any recommendations would be helpful. My current "fix" was to change the text to not have the letter "w" in it, but that's not a sustainable solution. :-)

Thanks in advance for any insight,
S.
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Bryan Ray

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Re: Bad (erratic) 3D font rendering in Fusion

PostFri Sep 30, 2022 8:43 pm

That's an odd one.

Try adding a Transform3D right before the Renderer3D and increase the scale by 10. My guess is that it might be a floating point math error. Those can usually be sorted out by either increasing or decreasing the scale of the scene to move the vertices into a range of values where better precision can be had.
Bryan Ray
http://www.bryanray.name
http://www.sidefx.com

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