Clay noise and specular flicker 2.14

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Clay noise and specular flicker 2.14

Postby Syd_86 » Tue Dec 02, 2014 9:57 pm

Syd_86 Tue Dec 02, 2014 9:57 pm
Hello, I have two problems with the beta version 2.14.
1) What has happened to the CLAY rendering mode. Because it generates all this noise?
2) How is it that in the early stages of rendering the specular component creates flicker. For 20 seconds is visible.
Thanks.
info:
OS W8
GPU gtx Titan - Geforce Driver 344.75

Image
Image
Image
Last edited by Syd_86 on Tue Dec 02, 2014 10:49 pm, edited 2 times in total.
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Re: Clay noise and specular flicker 2.14

Postby abstrax » Tue Dec 02, 2014 10:06 pm

abstrax Tue Dec 02, 2014 10:06 pm
What is the coherent ratio you are using? The flickering is caused by it and probably the noise artifacts, too.
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Re: Clay noise and specular flicker 2.14

Postby Syd_86 » Tue Dec 02, 2014 10:15 pm

Syd_86 Tue Dec 02, 2014 10:15 pm
Coherent ratio is 0.000
if you look at the second picture you can see a lot better.
Geforce Driver 344.75
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Re: Clay noise and specular flicker 2.14

Postby abstrax » Tue Dec 02, 2014 11:03 pm

abstrax Tue Dec 02, 2014 11:03 pm
This looks like a hardware problem. This is how it should look like (tested in 2.14):
clay_mode.png
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Re: Clay noise and specular flicker 2.14

Postby Syd_86 » Tue Dec 02, 2014 11:48 pm

Syd_86 Tue Dec 02, 2014 11:48 pm
I do not think it is a hardware problem.
2.06 2.13 2.14
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Re: Clay noise and specular flicker 2.14

Postby abstrax » Wed Dec 03, 2014 1:11 am

abstrax Wed Dec 03, 2014 1:11 am
Syd_86 wrote:I do not think it is a hardware problem.
2.06 2.13 2.14
Image

Looks you are right. I can reproduce the problem sometimes. Something doesn't seem to be initialized correctly.
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Re: Clay noise and specular flicker 2.14

Postby Syd_86 » Wed Dec 03, 2014 1:44 am

Syd_86 Wed Dec 03, 2014 1:44 am
This problem is even more pronounced if there is the jump from PMC to Path Tracing to Direct lighting, in start render.
PMC does not create noise, but go crazy after this jump, Direct Lighting and Path Tracing.
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Re: Clay noise and specular flicker 2.14

Postby abstrax » Wed Dec 03, 2014 1:56 am

abstrax Wed Dec 03, 2014 1:56 am
Syd_86 wrote:This problem is even more pronounced if there is the jump from PMC to Path Tracing to Direct lighting, in start render.
PMC does not create noise, but go crazy after this jump, Direct Lighting and Path Tracing.

Yes, that's how I reproduced it, too. Should be fixed with the next release.
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Re: Clay noise and specular flicker 2.14

Postby Syd_86 » Wed Dec 03, 2014 2:08 am

Syd_86 Wed Dec 03, 2014 2:08 am
abstrax wrote:
Syd_86 wrote:This problem is even more pronounced if there is the jump from PMC to Path Tracing to Direct lighting, in start render.
PMC does not create noise, but go crazy after this jump, Direct Lighting and Path Tracing.

Yes, that's how I reproduced it, too. Should be fixed with the next release.

Thank you! ;)
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