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Skydome + OSL HDRI and portal lights

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Message 1 of 9
CiroCardoso3v
416 Views, 8 Replies

Skydome + OSL HDRI and portal lights

Ok, I am not sure if this is a bug or not, but here it goes.

Interior scene - Lighting done with Skydome using a OSL HDRI Loader + Portals

This is how the render looks like with Skydome Samples 2 and no Portal Lights

noportal.jpg

And this is what it looks like with Skydome Samples 5 and with Portal Lights


portal.jpg


And this is the Skydome with 20 Samples

20.jpg


Where is the scene:

scene.jpg

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

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8 REPLIES 8
Message 2 of 9

Here is the link for the scene

https://we.tl/t-c4t9ObGRgl

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

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Message 3 of 9
lee_griggs
in reply to: CiroCardoso3v

I see an improvement using these settings:

1613396861421.png

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 4 of 9
CiroCardoso3v
in reply to: lee_griggs

Ok, so in this case the portal lights aren't contributing too much to clean the noise, right? I was expecting a cleaner result between no portal lights and with portal lights. Just wanted to check if I was missing something, or if this could be a potential bug.

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

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Message 5 of 9
pproestos
in reply to: CiroCardoso3v

In my last project I do right now, I have abbandoned skydome and portals, using only an hdri environment map and imagers. I will post my renders when they're ready.

Message 6 of 9
lee_griggs
in reply to: CiroCardoso3v

Yes, I would still rely on diffuse samples to clean up the extra noise. The portals can only do some much as in the example here.

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 7 of 9
CiroCardoso3v
in reply to: pproestos

Yes, I am using a HDRI map on the skydome. You still need portal lights.

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

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Message 8 of 9
CiroCardoso3v
in reply to: lee_griggs

Great. Just wanted to check that. On previous projects, portal lights did help quite a lot, so I was surprise to see little improvement on this one.

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

EESignature

Message 9 of 9
CiroCardoso3v
in reply to: pproestos

Also this doesn't have any Noice applied. That will do the magic

Lead Enviroment Artist @Axis Studios

Arnold Discord Server


Ciro Cardoso

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