I am working on my render and I have an hdr word background, I am trying to activate Multiple Importance Sampling like in previous Blender and I can't find it. Anyone knows where is it or what changed? thanks alot in advance.
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It is under the Properties Window > World Settings > Surface change Sampling from Auto to Manual.
Multiple importance sampling is only available for volumes, under Volume > Sampling change from Equiangular to Multiple Importance.
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1$\begingroup$ Hi, thanks a lot for your answer, yes but it doesn't have the check box for " Multiple Importance Sampling" does it comes activated by default? what has changed? is not clear $\endgroup$– zensirCommented Dec 4, 2018 at 14:50
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$\begingroup$ Before you only had the checkbox option, now you have the "Distance", "Equiangular" and "Multiple Importance" options. $\endgroup$ Commented Dec 4, 2018 at 16:04
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$\begingroup$ thanks a lot guys! now I have to learn what the new options do. is there any documentation on this? cheers! $\endgroup$– zensirCommented Dec 4, 2018 at 22:05
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$\begingroup$ Here is the Blender 2.80 Reference Manual docs.blender.org/manual/en/dev $\endgroup$ Commented Dec 4, 2018 at 22:17