Displacement noise / render error
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Hi Everyone,
Please help, I have a problem with displacement renders.
I'd like to render a standing seam metal wall panel with a displacement map. I've tried many different images for disp. map and different render settings but those strange spots and noisy lines were always there.
Sometimes the noisy area disappears when I change the viewpoint, but in most cases only the "position" of the noise changes.
How can I get rid of those spots and lines?
Thanks a lot!
Attila
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I think higher rendering settings would do the trick. What setup do you have? Irradiance Map + Lightcache?
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Yes, irradiance + light cache. I tried to change subdivs, samples but that noise is still there...
This is my displacement map:
I've tried different images and different image sizes with the same result...Here is my visopt
displacementtest.zip -
Can you post the sample file? Easier to investigate by looking at the actual model.
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I hope everything is in the zip
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@agattila said:
Sometimes the noisy area disappears when I change the viewpoint, but in most cases only the "position" of the noise changes.
Ah - should have picked up on this earlier.
try decreasing Edge Length under Displacement. By default the displacement is view based. -
Ok, so here is my correction for the first post:
I've tried many different render settings, except this one...
Edge length 1px solved the problem.
Thank you thomthom!!
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