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A couple of questions about "Polymesh to Volume"

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Message 1 of 2
Justin_Carlson
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A couple of questions about "Polymesh to Volume"

Hello everyone,

I am new to the Arnold renderer. I come from a background of using Cycles and Redshift in my free time, and using Mantra and Renderman at work.

I have been drawn to this community because of some of the work that @Lee Griggs has done.
I just have a couple of questions regarding this workflow, specifically from the examples in the tutorial at this link.
Link appears to be broken, despite attempts to fix it.
(https://docs.arnoldrenderer.com/display/A5ARNTUT/Polymesh+to+Volume)


My first question: A file texture is used for the displacement. In this case, a camera projection was used. What exactly is meant by that? Would this be an arbitrary texture displacing both the volume and the polymesh rendered as a volume, with camera pixels as UV space?

My second question: Could this be animated? Could the polymesh, the Arnold volume, and the displacement texture all be animated to create a final product that has animation?

This workflow is fascinating, and I would love to utilize it. It would be beneficial for me to start learning how Arnold works and to try such a thing in other rendering engines as well.

Thanks for taking a look.

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Message 2 of 2
lee_griggs
in reply to: Justin_Carlson

Hi Justin, which plugin are you using? That link is to the template tutorial.

The plugin tutorial, for example, Maya is here. At the bottom of the page is a link to a simple scene that contains the shader. There is also the correct shader network used for this effect at the bottom of the page which should answer your first question (camera texture projection).

>My second question: Could this be animated? Could the polymesh, the Arnold >volume, and the displacement texture all be animated to create a final product >that has animation?

Absolutely. If you have an animated sequence, just connect it to the Volume Displacement.

Lee Griggs
Arnold rendering specialist
AUTODESK

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