<div dir="ltr">Isn't there a way to develop few nodegroup store them somewhere and recall them in a personal group list or add them in the lists we already have?<div>Could it be a python add-on?<br><div>This would help us skip the tedious part of reloading those node every time a new blend file is created and also could help us distribute those nodes in their coherent place.</div>
</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-05-24 11:31 GMT+02:00 Bartek Skorupa (priv) <span dir="ltr"><<a href="mailto:bartekskorupa@bartekskorupa.com" target="_blank">bartekskorupa@bartekskorupa.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">It is possible to clamp (blacks and whites individually even), but whenever I want to do it I have to add gazillion nodes. It takes time. My intention is to make it with a single click.<div>
How much time did it take you to set up this fantastic node tree of yours? If it's more than one second - itś too much. It should be: Decision => 1 second later: DONE.</div><div><br></div><div><br><div>
<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;text-align:auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><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;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><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;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word">
<div>Bartek Skorupa</div><div><br></div><div><a href="http://www.bartekskorupa.com" target="_blank">www.bartekskorupa.com</a></div></div></span></span></span>
</div><div><div class="h5">
<br><div><div>On 24 maj 2014, at 00:10, Sean Kennedy <<a href="mailto:mack_dadd2@hotmail.com" target="_blank">mack_dadd2@hotmail.com</a>> wrote:</div><br><blockquote type="cite"><div style="font-size:12pt;font-family:Calibri;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">
<div dir="ltr">Ah, great idea! We could even set one up with RGB, one on each channel, and save it as a nodegroup.<div>Thanks! So obvious, don't know why we didn't think of this. :)</div><div><br></div><div>I'm going to set one up today.</div>
<div><br></div><div>sean<br><br><div>> From:<span> </span><a href="mailto:dnicolas@gmail.com" target="_blank">dnicolas@gmail.com</a><br>> Date: Fri, 23 May 2014 19:07:28 -0300<br>> To:<span> </span><a href="mailto:bf-compositor@blender.org" target="_blank">bf-compositor@blender.org</a><br>
> Subject: Re: [Bf-compositor] Clamping (Mix, Math, RGB Curves)<br>><span> </span><br>> Hi all, I don't know how Blender's handles colors internally but<br>> wouldn't this work?<br>><span> </span><a href="http://www.pasteall.org/pic/show.php?id=71736" target="_blank">http://www.pasteall.org/pic/show.php?id=71736</a><br>
> (or are the V values already mapped to 0-1 from the separate node?)<br>><span> </span><br>> Cheers,<br>><span> </span><br>> 2014-05-23 18:46 GMT-03:00 Sean Kennedy <<a href="mailto:mack_dadd2@hotmail.com" target="_blank">mack_dadd2@hotmail.com</a>>:<br>
> > Could we set the value of the clamp? It could come in as defaults of 1.0 and<br>> > 0.0, but we could alter it to whatever we wanted. At R&H, most of the time<br>> > we clamped brights around 14-16. We'd only turn it down under that if we got<br>
> > bad pixels when rendering.<br>> ><br>> > If you had a superbright red, like R 12, G 3, B 4, and you put a clamp of 1<br>> > on it, obviously it's going to set each value to 1, so what was red now<br>
> > reads as white. But it would still be useful.<br>> ><br>> > After Effects clamp tool<br>> ><a href="http://cdn.aescripts.com/media/catalog/product/cache/1/image/800x600/040ec09b1e35df139433887a97daa66f/f/t/ft-clamp-ui_1.png" target="_blank">http://cdn.aescripts.com/media/catalog/product/cache/1/image/800x600/040ec09b1e35df139433887a97daa66f/f/t/ft-clamp-ui_1.png</a><br>
> ><br>> > Nuke clamp is in the color grade node<br>> ><a href="http://docs.thefoundry.co.uk/nuke/63/pythondevguide/_images/getMinMax_01.png" target="_blank">http://docs.thefoundry.co.uk/nuke/63/pythondevguide/_images/getMinMax_01.png</a><br>
> ><br>> > I'm not posting the images to say "this is how we should do it", but rather,<br>> > to say it is useful and professional compositors would indeed use it often.<br>> ><br>> > In fact, I was working on a shot this week that could have used it. I was<br>
> > given stock footage from a client, and I have no idea how much they'll color<br>> > correct it in post once I deliver the final vfx shot. SO I have to make sure<br>> > all my blacks are in line with what is in the plate. I put a gamma on the<br>
> > plate just to view the black levels and see how they match up when pushed<br>> > really far.<br>> ><a href="https://dl.dropboxusercontent.com/u/10553822/clamp_blacks_01.jpg" target="_blank">https://dl.dropboxusercontent.com/u/10553822/clamp_blacks_01.jpg</a><br>
> ><br>> > Since we don't have a clamp, I ended up putting a mix node right after the<br>> > stock footage node, setting it to Lighten, and making the color over it<br>> > black. then I slowly raised it while watching until the blacks all came in<br>
> > line. Would have been much easier to sample the value of the darkest dark I<br>> > wanted in the shot, throw a clamp node on with the black clamp set to those<br>> > values.<br>> ><br>> > In fact, at R&H, the Black Clamp node let you set an individual value for R,<br>
> > G, and B. And it had a color picker so you could just sample the image and<br>> > the values would fill in automatically.<br>> ><br>> > Anyway, just throwing out my $0.02. Obviously I've found a workaround and<br>
> > can live with it, but it would sure be great to someday see a clamp node.<br>> ><br>> > ________________________________<br>> > Date: Fri, 23 May 2014 14:21:40 -0700<br>> ><br>> > From:<span> </span><a href="mailto:troy.sobotka@gmail.com" target="_blank">troy.sobotka@gmail.com</a><br>
> > To:<span> </span><a href="mailto:bf-compositor@blender.org" target="_blank">bf-compositor@blender.org</a><br>> > Subject: Re: [Bf-compositor] Clamping (Mix, Math, RGB Curves)<br>> ><br>> ><br>
> > On May 23, 2014 1:56 PM, "Bartek Skorupa (priv)"<br>
> > <<a href="mailto:bartekskorupa@bartekskorupa.com" target="_blank">bartekskorupa@bartekskorupa.com</a>> wrote:<br>> ><br>> >> When I say: "clamp blacks" I always mean: set every value below 0.0 to<br>
> >> 0.0.<br>> >> When I say: "clamp whites" I always mean: set every value above 1.0 to<br>> >> 1.0.<br>> >> Every compositing artist will know what I mean.<br>> ><br>
> > If we can generate a clamp / scale node, I am all for it.<br>
> ><br>> > I am saying there is no concept of white in a scene referred model, and as<br>> > such, you have to be careful as to not write nodes that break the system.<br>> ><br>> > It is that simple. No white. No brighter than white. So sorry, “Every<br>
> > artist...” is actually “Every artist unfamiliar with HDR work.”<br>> ><br>> > So a clamp node _must_ not make the erroneous assumption that 1.0 means<br>> > anything special, and rather provide for an arbitrary value range.<br>
> ><br>> > If this all seems like speaking an alien language, it is precisely why I<br>> > chimed in and said “Whoa.”<br>> ><br>> > There are already nodes that are broken because of erroneous assumptions. It<br>
> > would be a shame to make more.<br>> ><br>> > With respect,<br>> > TJS<br>> ><br>> ><br>> > _______________________________________________ Bf-compositor mailing list<br>> ><span> </span><a href="mailto:Bf-compositor@blender.org" target="_blank">Bf-compositor@blender.org</a><br>
> ><span> </span><a href="http://lists.blender.org/mailman/listinfo/bf-compositor" target="_blank">http://lists.blender.org/mailman/listinfo/bf-compositor</a><br>> ><br>> > _______________________________________________<br>
> > Bf-compositor mailing list<br>> ><span> </span><a href="mailto:Bf-compositor@blender.org" target="_blank">Bf-compositor@blender.org</a><br>> ><span> </span><a href="http://lists.blender.org/mailman/listinfo/bf-compositor" target="_blank">http://lists.blender.org/mailman/listinfo/bf-compositor</a><br>
> ><br>> _______________________________________________<br>> Bf-compositor mailing list<br>><span> </span><a href="mailto:Bf-compositor@blender.org" target="_blank">Bf-compositor@blender.org</a><br>><span> </span><a href="http://lists.blender.org/mailman/listinfo/bf-compositor" target="_blank">http://lists.blender.org/mailman/listinfo/bf-compositor</a><br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Francesco Paglia<div>Vfx and Production Supervisor</div><div><br></div><div>mobile +39 347.82.12.473</div><div><div>e-mail <a href="mailto:f.paglia.80@gmail.com" target="_blank">f.paglia.80@gmail.com</a></div>
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