Benefits of “Specular Workflow” versus “Metalness Workflow”?

This topic has 4 replies, 2 voices, and was last updated 5 years, 11 months ago by Ingmar Franz.

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September 15, 2020 at 7:33 am #12641
Ingmar Franz
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What are the benefits of a “Specular Workflow” (not in Blender-Cylces) compared to Blender’s “Metalness Workflow” in Cylcles?
September 15, 2020 at 11:37 am #59978
Jonathan Lampel
Participant
The only benefit I know of is that it gives you control over the reflectivity, but the specular slider on the Principled BSDF in Blender makes up for this.
September 15, 2020 at 11:56 am #59979
Ingmar Franz
Participant
Can I say that the “Specular” value of the “Principled BSDF” shader node defines the strength of the highlights whereas the “Roughness” setting defines the sharpness of the highlights?
September 15, 2020 at 12:52 pm #59980
Jonathan Lampel
Participant
Yes! And if you want to get technical it’s really the IOR.
September 16, 2020 at 6:16 am #59981
Ingmar Franz
Participant
When it comes to the Fresnel effect and its connection with the roughness, a higher “Roughness” value not only softens the highlights but also reduces the Fresnel which looks to me somehow as a special case of a highlight.
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