Author Topic: SSS Gradienting Issue  (Read 222 times)

Offline WASasquatch

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SSS Gradienting Issue
« on: April 09, 2018, 03:38:38 AM »
Why is it TG can't make consistent gradients with smooth step / bevel? Is it due to clamping under the hood?

For exmaple, if you take a smooth step SSS at 100% and apply it to a cloud or terrain, you should get a perfect dome, but you get an extended distorted peaked dome.

First image is a 100% gardient to boundary (3rd party), second image is TG 100% smooth step to boundary.
« Last Edit: April 09, 2018, 03:46:37 AM by WASasquatch »
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Online Dune

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Re: SSS Gradienting Issue
« Reply #1 on: April 09, 2018, 05:10:50 AM »
Maybe it has to do with lineair or not lineair. With a bias scalar you adjust a little.

Offline WASasquatch

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Re: SSS Gradienting Issue
« Reply #2 on: April 09, 2018, 06:19:46 AM »
Maybe it has to do with lineair or not lineair. With a bias scalar you adjust a little.

Could be, will give it a try some more cloud testing.  Need some gradually sloping clouds with a tight dropoff (not straight, but not gradual) and it's not playing nice in my project.
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Offline Oshyan

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Re: SSS Gradienting Issue
« Reply #3 on: April 09, 2018, 10:25:42 PM »
If you are applying it to a cloud and want direct, linear response, make sure to disable "Taper top and base", "softer base", etc.

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