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I appear to be having some issues with setting up both Mist and Sun Beams for cycles in Blender 2.8. I'm attempting to to get a god ray/fake-volumetric effect from the window in my scenes. However, it doesn't appear that the rays or mist are being calculated correctly. It's supposed to look like a beam of light coming through the windows, now it just looks like a muddy mess!

enter image description here

Here is an example of what I want it to look like:

enter image description here

Here is the blend file as well if this helps any:

Blend File

I'm using an HDRI map to light the scene.

This is the node set-up I'm trying to go for:

enter image description here

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    $\begingroup$ Your question is confusing. Are you using a mist pass? Mist will no give you volumetrics. Are you dealing with volume scattering? If so, are you using it in the world or as a domain? Or are you referring to the compositor? Show images of your settings. $\endgroup$ – cegaton Mar 26 at 7:18
  • $\begingroup$ Use a domain for volume scatter around your scene. i.stack.imgur.com/wBw3h.jpg $\endgroup$ – cegaton Mar 26 at 15:51
  • $\begingroup$ Duplicate of: HDRI with volumetric throw pattern $\endgroup$ – cegaton Mar 26 at 15:52
  • $\begingroup$ I added my node set-up that I am trying to use. I want to avoid using volumetrics as much as possible to avoid increasing render times. I used the same set-up on another project and it worked great. I guess the only difference is I didn't use an HDRI set-up in that one. $\endgroup$ – nathan rivera Mar 26 at 18:27

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