How to render arnold like volume displacement with octane ?

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How to render arnold like volume displacement with octane ?

Postby bakanopower » Thu Aug 26, 2021 8:22 pm

bakanopower Thu Aug 26, 2021 8:22 pm
I recently saw a rendering case made with Arnold on artstation.

After watching the tutorial, I know that was implemented using Arnold's volume displacement node.

I tried to reproduce this effect in 3dsmax with the octane renderer, using specular shader and volume node, but the displacement effect under the specular shader was somewhat unsatisfactory.

Later, I found that there is also a displacement under the volume node. But RGB textures have useless after connecting to this node.
After searching the tutorial, I know that I need to use osl textures, but the osl nodes of 3dsmax are not as many as in c4d, and I don't know where to find suitable osl textures.

Now I want to know whether this effect can be reproduced in the 3dsmax version of octane? I have been stuck at this step for 3 days.
please help me
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Re: How to render arnold like volume displacement with octane ?

Postby paride4331 » Mon Aug 30, 2021 11:26 am

paride4331 Mon Aug 30, 2021 11:26 am
Hi bakanopower,
displacement position option works like in Octane for C4D so you can use the OSL scripts stored in C4D in 3dsMax as well.
Regards
Paride
Attachments
03.jpg
text02.osl
(169 Bytes) Downloaded 122 times
vdb.zip
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Re: How to render arnold like volume displacement with octane ?

Postby bakanopower » Tue Aug 31, 2021 4:22 pm

bakanopower Tue Aug 31, 2021 4:22 pm
paride4331 wrote:Hi bakanopower,
displacement position option works like in Octane for C4D so you can use the OSL scripts stored in C4D in 3dsMax as well.
Regards
Paride

Thanks for you repley.
May I ask what version of max you are using?Because when I open this file, my 3dsmax prompts me that the version is too low.
In addition, when I render VDB file, there will always be black shadows in it. Is it wrong where I set it up?
And can I convert the object to VDB in 3dsmax? Like in the first picture.
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aa.jpg
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Re: How to render arnold like volume displacement with octane ?

Postby paride4331 » Wed Sep 01, 2021 10:52 am

paride4331 Wed Sep 01, 2021 10:52 am
Hi bakanopower,
please try my updated sample, using Octane for 3dsMax 2020.2.5 11.11
3dsmax does not natively create .vdb, you need plugins like PhonixFD.
Regards
Paride
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Re: How to render arnold like volume displacement with octane ?

Postby bakanopower » Mon Sep 06, 2021 3:44 pm

bakanopower Mon Sep 06, 2021 3:44 pm
paride4331 wrote:Hi bakanopower,
please try my updated sample, using Octane for 3dsMax 2020.2.5 11.11
3dsmax does not natively create .vdb, you need plugins like PhonixFD.
Regards
Paride

Wow thanks for your answer
I can now use Tyflow to create a VDB format model and import it into the Octane volume~
However, I still have a question, that is, the UV of the object created by Octane Volume is determined based on the UV before it is converted to the VDB file? Or is there any other UV distribution method?
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