I'm rendering out this smoke sim and my smoke is glittery. Why?
My smoke's Resolution Division is 100 with a High Resolution Division of 2.
And it is a smoke sim based off of particles.
Here's a link to the material node setup.
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asked Aug 10, 2019 at 19:25
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$\begingroup$ Do you have denoising turned on? $\endgroup$– CorbomiteCommented Aug 10, 2019 at 19:29
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$\begingroup$ I've never really used that so I don't know where it is. :) $\endgroup$– Pro Effects MAXCommented Aug 10, 2019 at 19:41
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$\begingroup$ Denoising will just remove all definition of the smoke... you need to have more samples in the cycles render. $\endgroup$– JackdawCommented Aug 10, 2019 at 20:15
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1$\begingroup$ If you are in 2.8, it's in View Layer Context > Denoising. For 2.79, Render Layers > Denoising. Just click the checkbox. :) $\endgroup$– CorbomiteCommented Aug 10, 2019 at 22:24
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1 Answer
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I think those are fireflies. They are a common problem with blender. Here's a link to help you reduce them.
https://www.blenderguru.com/articles/7-ways-get-rid-fireflies?rq=fireflies
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$\begingroup$ Where is the "Multiple importance sample" setting for HDR's in blender 2.8? I think that may be the problem. $\endgroup$ Commented Aug 10, 2019 at 19:43
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$\begingroup$ I'm pretty sure that's on by default now. Try clamping, or turning off caustics, although caustics are more realistic. $\endgroup$– MillardCommented Aug 10, 2019 at 20:06