<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">So it again seams I don't get the basics…<div>If so, let's again find another platform to discuses the matter.</div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Bartek Skorupa</div><div><br></div><div><a href="http://www.bartekskorupa.com">www.bartekskorupa.com</a></div></div></span></span></span>
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<br><div><div>On 23 maj 2014, at 23:21, Troy Sobotka <<a href="mailto:troy.sobotka@gmail.com">troy.sobotka@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><p dir="ltr"><br>
On May 23, 2014 1:56 PM, "Bartek Skorupa (priv)" <<a href="mailto:bartekskorupa@bartekskorupa.com">bartekskorupa@bartekskorupa.com</a>> wrote:</p><p dir="ltr">> When I say: "clamp blacks" I always mean: set every value below 0.0 to 0.0.<br>
> When I say: "clamp whites" I always mean: set every value above 1.0 to 1.0.<br>
> Every compositing artist will know what I mean.</p><p dir="ltr">If we can generate a clamp / scale node, I am all for it.</p><p dir="ltr">I am saying there is no concept of white in a scene referred model, and as such, you have to be careful as to not write nodes that break the system.</p><p dir="ltr">It is that simple. No white. No brighter than white. So sorry, “Every artist...” is actually “Every artist unfamiliar with HDR work.”</p><p dir="ltr">So a clamp node _must_ not make the erroneous assumption that 1.0 means anything special, and rather provide for an arbitrary value range.</p><p dir="ltr">If this all seems like speaking an alien language, it is precisely why I chimed in and said “Whoa.”</p><p dir="ltr">There are already nodes that are broken because of erroneous assumptions. It would be a shame to make more.</p><p dir="ltr">With respect,<br>
TJS<br>
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