Angular roughness/Angular glossiness

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lighting_freak
Posts: 196
Joined: Thu Jan 18, 2018 6:02 pm

Re: Angular roughness/Angular glossiness

Post by lighting_freak » Mon Jul 20, 2020 3:44 pm

Hi,

Might be the right time to introduce kind of brdf node that allows to define the portion of scattering types (matte, glossy, specular) per incidence angle. Ideally with some optional interpolation types (e.g. linear, exponential etc) between those points.

What do you think?

BR
OS - Windows 7 X64
CPU - Intel CORE i7
GPU1 - Variants of notebook card from nVidia
GPU2 - Variants of notebook onboard card from Intel
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lighting_freak
Posts: 196
Joined: Thu Jan 18, 2018 6:02 pm

Re: Angular roughness/Angular glossiness

Post by lighting_freak » Thu Jul 23, 2020 2:16 pm

lighting_freak wrote:
Mon Jul 20, 2020 3:44 pm
Might be the right time to introduce kind of brdf node that allows to define the portion of scattering types (matte, glossy, specular) per incidence angle. Ideally with some optional interpolation types (e.g. linear, exponential etc) between those points.
maybe like this?
maybe like this?
OS - Windows 7 X64
CPU - Intel CORE i7
GPU1 - Variants of notebook card from nVidia
GPU2 - Variants of notebook onboard card from Intel
Lux - Latest possible relaease

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Theo_Gottwald
Posts: 76
Joined: Fri Apr 24, 2020 12:01 pm

Re: Angular roughness/Angular glossiness

Post by Theo_Gottwald » Thu Jul 23, 2020 8:27 pm

The whole issue could be just a checkmark behind roughness-slider.
If you check it then the system will calculate a exponential curve from roughness to zero and maps it on the angle of the camera.
This would be the easiest solution. But of course other solutions may have more possibilities.
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