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QTR-Quadtone RIP

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Re: About curve blending function

2012-07-15 by Mel

Roy

This has just prompted a query from myself.

What if you are blending two curves

Curve 1 UT14-7DSMatt-cool 70% highlights   ?% midtones   ?% shadows
Curve 2 UT14-7DSMatt-warm 30% highlights   ?% midtones   ?% shadows

7DSMatt is 7dayshop.com matt paper.

Me

--- In QuadtoneRIP@yahoogroups.com, Roy Harrington <roy@...> wrote:
>
> That's it.
> Roy
> 
> On Sat, Jul 14, 2012 at 2:06 AM, Sylvain M. <sylvain@...> wrote:
> >
> >
> > Thx Roy.
> >
> > So you mean that the Highlights values in % are taken
> > for 100, then midtones values for 50 and shadows values for 0, am I
> > right? And between each value, the % is kind of progressive, that's all?
> >
> >
> > On Fri, 13 Jul 2012 10:15:33 -0700, Roy Harrington wrote:
> >
> >> As Paul
> > says just try it.
> >> But really its very simple: its just 3 points
> > 0,50,100 with straight lines
> >> connecting them. Since its all continuous
> > you can't detect any transitions.
> >>
> >> Roy
> >>
> >> On Fri, Jul 13, 2012 at
> > 1:43 AM, Sylvain M. wrote:
> >>> No one knows? :'( Sylvain. On Wed, 11 Jul
> > 2012 14:50:08 +0200, Sylvain M. wrote:
> >>>
> >>>> Hi all, I would like to
> > know something about
> >>> Curve Blending: where
> >>>
> >>>> are the limits
> > between each zone (Highlights,
> >>> Midtones, Shadows)? How do
> >>>
> >>>>
> > e="padding-left:5px; border-left:#1010ff 2px s
> >>> left:5px;
> > width:100%">Curve1:80, Curve2:20, and then Midtones to Curve1:20,
> > Curve2:80, where n a 21step test file), and how
> >>> ckquote type="cite"
> > style="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px;
> > width:100%">transition? Many thank
> >>>
> >>>> e" style="padding-left:5px;
> > border-left:#
> >>> lid; margin-left:5px; width:100%">
> > ------------------------------------ http://
> >>>
> >>>> 10ff
> >>>
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> > roy@... [6] www.harrington.com [7]
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> -- 
> Roy Harrington
> roy@...
> www.harrington.com
>

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