Maintaining Spec Energy on Mix Materials

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Maintaining Spec Energy on Mix Materials

Postby cashley » Sun Oct 02, 2016 8:23 pm

cashley Sun Oct 02, 2016 8:23 pm
I have a question about something I have not been able to figure out about Octane Mix materials. When I'm mixing SSS medium shaders that have no spec and glossy shaders that do have specular, how do I maintain the specular energy of my glossy material?

By mixing the two materials, the specular is diminished, so what is the formula to getting a proper specular intensity on a mixed material like that? An IOR of 1.5 for a plastic that is mixed with a Diffuse shader with no specular, so the result is a dimmed down spec.

Is there a formula or workflow to maintain spec energy on mix materials?

Thanks,

-chad
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Re: Maintaining Spec Energy on Mix Materials

Postby Terryvfx » Mon Oct 03, 2016 7:42 am

Terryvfx Mon Oct 03, 2016 7:42 am
I'm also curious about this since I've wondered the same for quite some time +1
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Re: Maintaining Spec Energy on Mix Materials

Postby oguzbir » Mon Oct 03, 2016 11:11 am

oguzbir Mon Oct 03, 2016 11:11 am
cashley wrote:Is there a formula or workflow to maintain spec energy on mix materials?
-chad


AFAIK there is no way to that I'm afraid. Maybe in post or photoshop by faking it .
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Re: Maintaining Spec Energy on Mix Materials

Postby cashley » Mon Oct 03, 2016 2:06 pm

cashley Mon Oct 03, 2016 2:06 pm
I really hope someone can shed light on this. I'm trying to create physically plausible materials in Octane and not knowing how spec energy works with mix materials is making that difficult.
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