Hi,
Is the additional vector grid + "absorption/scattering from the additional vector" a way to map color directly to the shader? If so, I am unable to get it to work and would appreciate a workflow explanation. If this is not the intended use, how would u go about directly coloring voxels from another volume with color information?
Thanks
Yaniv
volume with color
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Before posting a bug report, please check the following:
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Bugs related to the Octane Engine itself should be posted into the Standalone Support sub-forum.
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.)
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volume with color
by WhyGee » Sat Jul 22, 2017 1:45 pm
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Re: volume with color
by juanjgon » Sat Jul 22, 2017 4:07 pm
Hi Yaniv,
I'm afraid that currently in Octane you can't use an RGB type grid to directly coloring voxels. As you can see in the available volume shaders, there isn't any option to make it possible. You can use gradients, but not direct RGB colors.
The additional grid option was added from a feature request for a user that needed to visualize the velocity grids magnitude in a scientific visualization rendering.
This is indeed a good request and very useful. I hope to see this kind of features in Octane once we have the OSL feature in place to write custom shaders.
Thanks,
-Juanjo
I'm afraid that currently in Octane you can't use an RGB type grid to directly coloring voxels. As you can see in the available volume shaders, there isn't any option to make it possible. You can use gradients, but not direct RGB colors.
The additional grid option was added from a feature request for a user that needed to visualize the velocity grids magnitude in a scientific visualization rendering.
This is indeed a good request and very useful. I hope to see this kind of features in Octane once we have the OSL feature in place to write custom shaders.
Thanks,
-Juanjo
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Re: volume with color
by profbetis » Sat Oct 20, 2018 8:19 pm
+1!
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