Volumetric Light ("God Rays")

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Volumetric Light ("God Rays")

Postby jscottsmith » Fri Oct 03, 2014 4:10 pm

jscottsmith Fri Oct 03, 2014 4:10 pm
Any idea how to get this effect? I figure it requires fog - I got that working in SU, but SU's enviro sun is not casting visible rays through the fog. What am I missing?
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Re: Volumetric Light ("God Rays")

Postby glimpse » Fri Oct 03, 2014 7:26 pm

glimpse Fri Oct 03, 2014 7:26 pm
maybe You're missing something that block the sun? as good ray is a beam of light..

in Octane You need a material with scattering & light - though if You lit up entire scene You'll see just a milky space - so You need some type of cloud layer (or simply some forms in space to block part of lighting =)
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Re: Volumetric Light ("God Rays")

Postby jscottsmith » Fri Oct 03, 2014 7:34 pm

jscottsmith Fri Oct 03, 2014 7:34 pm
Thanks for the reply. Yeah - this scene is loaded with buildings and other elements that block the light. That's why I was stumped. Maybe I'll try some sort of cloud objects and see if I get any different results.
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Re: Volumetric Light ("God Rays")

Postby glimpse » Fri Oct 03, 2014 7:37 pm

glimpse Fri Oct 03, 2014 7:37 pm
You need to play with scale of that scattering/absorption whatever - just to get those rays visible. Think there was some scenes around here in the forum, so if You interested search around =)
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Re: Volumetric Light ("God Rays")

Postby jscottsmith » Fri Oct 03, 2014 8:09 pm

jscottsmith Fri Oct 03, 2014 8:09 pm
There were test scenes for SketchUp?
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Re: Volumetric Light ("God Rays")

Postby glimpse » Fri Oct 03, 2014 8:25 pm

glimpse Fri Oct 03, 2014 8:25 pm
haven't seen for sketch up, but there's one for 3dsMax & if I'm not mistaking one for OctaneRender standalone - You can learn from those & transfer knowledge into plugin' as everything except UI is the same =)
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Re: Volumetric Light ("God Rays")

Postby smicha » Sat Oct 04, 2014 6:54 am

smicha Sat Oct 04, 2014 6:54 am
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Re: Volumetric Light ("God Rays")

Postby jscottsmith » Mon Oct 06, 2014 2:22 pm

jscottsmith Mon Oct 06, 2014 2:22 pm
Thanks. I'll check it out.
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Re: Volumetric Light ("God Rays")

Postby acc24ex » Mon Oct 06, 2014 3:07 pm

acc24ex Mon Oct 06, 2014 3:07 pm
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