Chaos Corona for 3ds Max > [Max] I need help!

Rafraction IOR looks not correct in Reflection channel

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SHARben:
Hello everyone,

is any body have seen this Issue, that Glas Material in reflection looks not korrekt? Is looks like glass in reflection has IOR 1. https://i.imgur.com/92h9TSk.png
I hope you can help me to fix it.

Thank you

romullus:
That looks strange indeed. Maybe you are using some overrides, or ray switchers?

Avi:
Hi,

Can you let us know what version of 3dsmax and corona you are using? I quickly did a small test using 3dsmax 2022 with Corona hotfix 1 & did not spot any such problems.

attached is a screenshot for your review.

Regards,
Avi

GeorgeK:

--- Quote from: SHARben on 2021-04-09, 12:04:15 ---Hello everyone,

is any body have seen this Issue, that Glas Material in reflection looks not korrekt? Is looks like glass in reflection has IOR 1. https://i.imgur.com/92h9TSk.png
I hope you can help me to fix it.

Thank you

--- End quote ---

I am afraid this is an old known issue which is present if you try to achieve fake glass (no caustics). It has to do with glossiness states, and/or the lack of caustics. To resolve this, simply enable caustics on your glass material or resort to 1.0 glossiness for your floor material. We plan to address this in the near future.

@Avi this is related to the following: (Report ID=CRMAX-436)

SHARben:
Thanx all for quicjk reply. Yes, turn on caustic did fix this issue, but for our prozess it's not are solution, be course of rendertime. I'm looking forwart to Update where this issue will be solved. Thank you again.

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