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Rendering with Arnold in CINEMA 4D using the C4DtoA plug-in.
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Flicking sun (animated)

9 REPLIES 9
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Message 1 of 10
Romain_Vaysse
311 Views, 9 Replies

Flicking sun (animated)

Hi,

Anyone knows why I have some strange flickering in the sun (intensity ?) when I try to make a sunset ?

The scene is very simple. Juste two cubes, one plane and one sun. I just animated the elevation parameter.

https://giphy.com/gifs/9PcDKfRBqokZKN7Z7x/html5

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9 REPLIES 9
Message 2 of 10
lee_griggs
in reply to: Romain_Vaysse

I just see an image. Is there an animation?

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 3 of 10

Message 4 of 10
lee_griggs
in reply to: Romain_Vaysse

I can't tell the flickering from the compression.

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 5 of 10

Okay haha ...

well, in fact it 's very simple (I can see it in the GIF) When I animate the elevation parameter and try to reproduce a sunset, the intensity of the sun decrease but seems to flick (Some frames are suddenly brighter, the next one darker, the next one a little brighter etc...)

I can not find a way to render a sunset without these flick in the brightness. Very strange

PS: The flickering in the bringthness in the GIF is not from the compression....

Message 6 of 10
lee_griggs
in reply to: Romain_Vaysse

Can you upload the scene?

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 7 of 10

sunset-flick-01-preview.ziparnold-sun-flick-01.zip

Hi Lee,

here is the scene (I work with Romain)

I also send a video showing the sun flickering.

Message 8 of 10

Try to increase the Resolution of the skydome. If it's too small it can not reliably capture the area of the sun.

Message 9 of 10

Thanks you so much Peter !

Message 10 of 10

Thanks Peter !

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