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Atmosphere/Fog

Posted: Sun Mar 27, 2011 10:34 am
by Method
Hi,
how to make the Octane render the atmosphere or fog/smog/dust? For scenes of cities, etc. would be great. ;)

Thank you!

Re: Atmosphere/Fog

Posted: Sun Mar 27, 2011 12:54 pm
by Lyubomir
Polygon slices.
Without polygon slices
Without polygon slices
With polygon slices
With polygon slices
polygon_slices_viewport.png
Many polygons placed in front of the camera, covering the entire picture frame and spreading from the camera to the horizon. The material is simple diffuse with very little opacity. A gradient can be used for ground fog.

It comes with render time penalty of course, starting from 2x and going up the denser the fog.

Re: Atmosphere/Fog

Posted: Sun Mar 27, 2011 2:06 pm
by Method
Excellent idea, thank you! But we'll see how it will look in animation.