problem with glass material

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problem with glass material

Postby djiin » Fri Feb 24, 2017 10:05 am

djiin Fri Feb 24, 2017 10:05 am
hi guys,
i'm trying different glass materials and have the same issue with all of them, material its ok but depending on the viewing angle (when close to 90°) the glass turns to black with strange effects ( like gasoline on a ground) my mesh is a low poly not flat. i would like to get rid of that effect. any idea?

s.
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Re: problem with glass material

Postby djiin » Fri Feb 24, 2017 10:07 am

djiin Fri Feb 24, 2017 10:07 am
also sometimes i got really strange refraction distortion, even with smooth tag alt ought the mesh seems to be ok, forgot to mention it is in maya.
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Re: problem with glass material

Postby bepeg4d » Fri Feb 24, 2017 10:08 am

bepeg4d Fri Feb 24, 2017 10:08 am
Hi djiin,
it's always a good idea to post some screenshots, anyway, I'm guessing, probably you have to increase the Specular depth in the kernel settings :roll:
ciao beppe
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Re: problem with glass material

Postby djiin » Fri Feb 24, 2017 10:33 am

djiin Fri Feb 24, 2017 10:33 am
thank you beppe,
yeah i've tried that, i've tried to 32, it does something but not removes all that strange black effect, weird.
also sorry i can't post any screenshots with projects i'm working on (confidentiality..) but i'm gonna try to mimic that on another mesh to post.

thanks
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Re: problem with glass material

Postby nuno1980 » Fri Feb 24, 2017 8:01 pm

nuno1980 Fri Feb 24, 2017 8:01 pm
djiin wrote:thank you beppe,
yeah i've tried that, i've tried to 32, it does something but not removes all that strange black effect, weird.
also sorry i can't post any screenshots with projects i'm working on (confidentiality..) but i'm gonna try to mimic that on another mesh to post.

thanks
If your specular material is complex (such as diamond, 3D star...) or the number of specular materials is 2 or more then you should increase to 100 specular depthes. ;)

EDIT: See - Very high spec depthes for remove blacks :)
NOTE: I'm sorry for bad english due to mute ;)

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Re: problem with glass material

Postby octanegraff » Wed Jun 21, 2017 2:49 am

octanegraff Wed Jun 21, 2017 2:49 am
Not really a proper fix. However i have found with any really shiny materials...that if the glass is against something, it will turn black. try to put the other objects around it at least 0.01 way from it.
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