<p dir="ltr">The newest version of vray has indirect clamping. It's a huge help and almost completely gets rid of the issues with fireflies. Would be great to have in cycles.</p>
<div class="gmail_quote">On Feb 9, 2014 12:07 PM, "Marco G" <<a href="mailto:digitalbath86@hotmail.com">digitalbath86@hotmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">That could be even better and more flexible. IMHO this could also help hair rendering with Hair BSDF potentially,<div>since it involves reflections, it gives fireflies quite easily, thus having this indirect clamping could preserve</div>
<div>hairs direct highlights and get rid of bright pixels from indirect.</div><div><br></div><div>One of the most fireflies-prone setup is tiny radius spot-point lights lighting sharp glossy.</div><div>I've made a super simple scene (in the link) showing this, using MIS and/or filter glossy doesn't help,</div>
<div>the only thing helping is clamp but then we loose the whole tone range.</div><div><br></div><div>Link to the scene - <a href="http://www.pasteall.org/blend/26752" target="_blank">http://www.pasteall.org/blend/26752</a></div>
<div><br></div><div>Thanks. MG</div><div><br><div>> From: <a href="mailto:brechtvanlommel@pandora.be" target="_blank">brechtvanlommel@pandora.be</a><br>> Date: Wed, 5 Feb 2014 17:03:46 +0100<br>> To: <a href="mailto:bf-cycles@blender.org" target="_blank">bf-cycles@blender.org</a><br>
> Subject: Re: [Bf-cycles] Clamping just secondary rays<br>> <br>> Yes, I can see that would be useful. We could split up the clamp<br>> option in direct and indirect parts so you can still clamp direct as<br>
> well but less.<br>> <br>> Brecht.<br>> <br>> On Wed, Feb 5, 2014 at 12:05 PM, Marco G <<a href="mailto:digitalbath86@hotmail.com" target="_blank">digitalbath86@hotmail.com</a>> wrote:<br>> > Hi all,<br>
> > i was wondering if current clamp option is affecting every ray (also direct<br>> > ones), and maybe it could be made to affect just secondary rays to clamp<br>> > fireflies from glossy bounces etc, while preserving direct<br>
> > highlights/reflections on shiny objects. Makes sense?<br>> ><br>> > Regards, MG<br>> ><br>> > _______________________________________________<br>> > Bf-cycles mailing list<br>> > <a href="mailto:Bf-cycles@blender.org" target="_blank">Bf-cycles@blender.org</a><br>
> > <a href="http://lists.blender.org/mailman/listinfo/bf-cycles" target="_blank">http://lists.blender.org/mailman/listinfo/bf-cycles</a><br>> ><br>> _______________________________________________<br>> Bf-cycles mailing list<br>
> <a href="mailto:Bf-cycles@blender.org" target="_blank">Bf-cycles@blender.org</a><br>> <a href="http://lists.blender.org/mailman/listinfo/bf-cycles" target="_blank">http://lists.blender.org/mailman/listinfo/bf-cycles</a><br>
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