Material Transmission Bug?

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Moderator: juanjgon

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Before posting a bug report, please check the following:
1. That the issue has not already been disclosed
2. That the issue is specific to this plugin, and not Octane in general (Try reproducing it in Standalone)
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All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
A. Operating System, including version (i.e. Win 7, OSX 10.11.2, Ubuntu 14.04, etc.)
B. Graphics Card(s) model (i.e. GTX 580 - 3GB, TITAN, etc.)
C. RAM Capacity (i.e. 6 GB)
D. Nvidia driver version (i.e. 7.50, 7.5.22)
E. OctaneRender Standalone version, if installed (i.e. 2.24.2, 2.23, etc.)
F. OctaneRender plugin version (i.e. v2.25 - 2.21)
G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
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nktrrz
Licensed Customer
Posts: 3
Joined: Tue Mar 11, 2014 12:01 pm
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It looks like when setting transmission to 1.0 in a diffuse material light does not "refract" properly and results in a dark material. Specular material transmission has this issue as well.

This seems to have happened in version 3.04.3 as 3.04.0 does not have this issue. I reset octane sops, shops, and render nodes between switching versions, but maybe I'm missing something.

Thanks Juanjo and the rest of the team.

Win7
4x 780ti3GB
32BG RAM
368.81
OctanePlugin_3.04.0.0 / 3.04.3.0
Houdini14.0.474
3.04.0
3.04.0
3.04.3
3.04.3
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juanjgon
Octane Plugin Developer
Posts: 8867
Joined: Tue Jan 19, 2010 12:01 pm
Location: Spain

Hi,

Sorry, I think that I can't reproduce this problem here. Can you attach a sample scene with this issue?

Thanks,
-Juanjo
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abstrax
OctaneRender Team
Posts: 5510
Joined: Tue May 18, 2010 11:01 am
Location: Auckland, New Zealand

nktrrz wrote:It looks like when setting transmission to 1.0 in a diffuse material light does not "refract" properly and results in a dark material. Specular material transmission has this issue as well.

This seems to have happened in version 3.04.3 as 3.04.0 does not have this issue. I reset octane sops, shops, and render nodes between switching versions, but maybe I'm missing something.

Thanks Juanjo and the rest of the team.

Win7
4x 780ti3GB
32BG RAM
368.81
OctanePlugin_3.04.0.0 / 3.04.3.0
Houdini14.0.474
version 3.04.0.jpg
version 3.04.3.jpg
Yes, this problem was introduced with 3.04.1 and will be fixed with 3.04.4 which is being built right now.
In theory there is no difference between theory and practice. In practice there is. - Yogi Berra
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nktrrz
Licensed Customer
Posts: 3
Joined: Tue Mar 11, 2014 12:01 pm
Contact:
Contact nktrrz

abstrax wrote: Yes, this problem was introduced with 3.04.1 and will be fixed with 3.04.4 which is being built right now.
Ah, I see. Thanks.
juanjgon wrote: Sorry, I think that I can't reproduce this problem here. Can you attach a sample scene with this issue?
Sorry, I should have included a sample scene. But I think I can wait for 3.04.4. :)

Thanks for the quick reply guys.
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juanjgon
Octane Plugin Developer
Posts: 8867
Joined: Tue Jan 19, 2010 12:01 pm
Location: Spain

Yes, this problem seems fixed in the new Octane build. I'll try to release a new plugin build ASAP.

Thanks,
-Juanjo
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WhyGee
Licensed Customer
Posts: 189
Joined: Sun Jun 22, 2014 9:10 am

Hi, I think this might be the same bug but just in case:
I'm having different results with hair transmission from previous builds.

Thanks
Yaniv
Attachments
octane_hair1_scene.rar
(154.02 KiB) Downloaded 311 times
hair_render_comparison.jpg
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User avatar
juanjgon
Octane Plugin Developer
Posts: 8867
Joined: Tue Jan 19, 2010 12:01 pm
Location: Spain

Yes, can be the same problem. I'll post a new plugin build along this week with this problem fixed.

Thanks,
-Juanjo
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WhyGee
Licensed Customer
Posts: 189
Joined: Sun Jun 22, 2014 9:10 am

thanks!
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