[Bf-cycles] Why remove square samples?

Colby Klein shakesoda at gmail.com
Tue Aug 15 22:58:31 CEST 2017

I've also been using square samples in all my scenes for years now...
meaningful differences in sampling quality line up pretty well to squared
sample counts. If anything it should be the default behavior, not removed!

- Colby

On Tue, Aug 15, 2017 at 12:32 PM, Gottfried Hofmann <
gottfried at blenderdiplom.com> wrote:

> Hello List,
> one question regarding squared samples: It seems to me that squaring the
> samples is a convention among pathtracing engines. At least Arnold is
> also using squared samples.
> Does anybody here have experience with other engines like octane? Do
> they square the samples as well?
> The reason for squaring: To get half the noise you need to quadruple the
> samples (because a pixel has two dimensions).
> Cheers
> Gottfried
> On 15.08.2017 20:06, Thomas Dinges wrote:
> > Right, we added the ability to square samples later on, as an option. If
> > you already square samples and do that by default, you can keep that for
> > Cycles4D. The change in the code is merely on the Blender UI part and
> > Blender -> Cycles exporter. No changes in the kernel. :)
> --
> --
> Gottfried Hofmann
> Blender Foundation Certified Trainer
> www.BlenderDiplom.com
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> Bf-cycles at blender.org
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