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That is strange. When I was using Octane 3 I never noticed a milkiness with specular set to 1. The only case would be that the Index of Refraction was higher than 2.
I will test and investigate this a bit more and return with more detailed feedback.

That is strange. When I was using Octane 3 I never noticed a milkiness with specular set to 1. The only case would be that the Index of Refraction was higher than 2.

The Octane 3.08.3 version of the plugin for Rhino6 has the milkiness too. So it's a Rhino6 issue.

Paul

Yes, I have meant using Octane 3 with Rhino 5.
So Rhino6 needs to be fixed by McNeel in some way ?!

So Rhino6 needs to be fixed by McNeel in some way ?!

I'm not sure. A specular value of 1 is very high. If you use lower values, the milkness is minimised. You are not going to get a one-to-one relationship between an Octane material and the Rhino preview window.

Paul

I have updated the Octane 4 TEST builds at the top of this thread with:

4.00.0.99
- Compiled with Octane 4.00 RC6
- Fixed issue where the Reload Texturemaps function was not working

Thanks

Paul

Thanks a lot

Hi Paul,
I have some trouble with material preview and Reload Textures

1 - Material preview: The color and brightness of the thumbnails change in a strange way. If I change the dimension of the thumbnails (for example from medium to small or vice versa) the gamma seems ok.
2- Reload textures: the texture updates without pushing the button (Reload textures) but the texture inside the preview doesn't update. Button seems not to works even in the rendering window.

Please, take a look at this video
https://we.tl/t-6FGFayKLnO

bye

Hi Fabrizio. I can reproduce your issues, and it looks like Rhino6 has some issues in this area. I have called on McNeel for assistance. I will let you know when I hear back.

Thanks

Paul

Thanks a lot

I have updated the TEST installers at the top of this thread with:

3.08.5.100 and 4.00.0.100
- Compiled with Octane 3.08.5/4.00 RC 7
- Fixed issue where the Setup tree menu Sync to Rhino options were not being loaded correctly when loading a .3dm
- Fixed exception being raised when doing a File->New

Thanks

Paul