Cycles Pseudo-Fog

  • November 03, 2012
  • 691 Downloads
  • 4 Likes
  • Blender 2.6x
  • Render: Blender Internal
  • Creator: Kaluura
  • License: CC-0
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Description:

2 compositing nodes to add some distance fog in Cycles. I unburried the idea from a tutorial by (the famous) Andrew Price. Give attribution to him, if any. I just made a quick scene to show the effect in action.

In the "Map Value" node:

-- Offset: Distance of the fog relative to the camera. (Negative values are in front.)

-- Size: Acts a bit like a density setting.

-- Minimum: Just keep it at zero.

-- Maximum: Limits the effect. (Especially useful for the sky.)

In the "Add" (Color Mix) node:

-- Fac: Map Value. Don't touch. It does all the trick.

-- Image (top): Source image.

-- Image (bottom): Fog color. You're not limited to shades of grey.

Unfortunately, it's not practical to make a node group of this because most of the needed values can't be exposed. Anyway... Enjoy!

cycles compositing node fog

Comments:

  • stramp profile picture
    stramp

    Thanks Kaluura!

    Written May 31, 2013
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