3.08 Anisotropy Question

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3.08 Anisotropy Question

Postby ChrisSuF » Mon Dec 04, 2017 10:18 am

ChrisSuF Mon Dec 04, 2017 10:18 am
Hi there,

how do I use the new Anisotropy Rotation feature in the 3.08 preview?
What kind of image/shader can it put into that slot?

Thank you.
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Re: 3.08 Anisotropy Question

Postby ChrisSuF » Mon Dec 04, 2017 10:28 am

ChrisSuF Mon Dec 04, 2017 10:28 am
Nevermind I found the solution.

You have to use some other shading model that the native Octane BRDF Model. Here's a rundown for those of you interested.

Workflow_Anisotropy.jpg
Workflow Anisotropy
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Re: 3.08 Anisotropy Question

Postby speltrong » Mon Dec 04, 2017 11:20 pm

speltrong Mon Dec 04, 2017 11:20 pm
To add to this:

My pattern (256x256px normal map from Google) did not show up until my roughness was at least 0.4, even with the Anisotropy slider set to 1. I also had to use an Image Texture node connected to Rotation and then add a Transform node to that and set my S.X and S.Y to 0.04 to get it to size right.
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Re: 3.08 Anisotropy Question

Postby GIOLETS » Wed Dec 06, 2017 5:19 pm

GIOLETS Wed Dec 06, 2017 5:19 pm
Could you please share your material?
I've tried many time but can't see the Anisotropy effect (3.08 test 6.0 - R19)

Thanks

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Re: 3.08 Anisotropy Question

Postby bepeg4d » Thu Dec 07, 2017 4:29 pm

bepeg4d Thu Dec 07, 2017 4:29 pm
Hi Luca,
as already said by speltrong, you need a good amount of roughness to have a pronounced effect.
Here is a fast example:
A8F95602-708D-43B4-9B57-7217AB2F8790.jpeg

anisotrophy_01.zip
(924.4 KiB) Downloaded 54 times


ciao beppe
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Re: 3.08 Anisotropy Question

Postby GIOLETS » Mon Dec 11, 2017 8:55 am

GIOLETS Mon Dec 11, 2017 8:55 am
mmm. interesting, I've placed the same parameters and map on my material and.. don't work.
Note that I've modify an old material made with old Octane version.
If I redo the material starting from zero it work.

Is possible that old materials cannot converted with the new features?

anisotropy_not working.rar
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