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Re: [colorvision_group] Re: BPC vs. Curve adjustment

2009-04-13 by C D Tobie

On Apr 13, 2009, at 2:26 PM, madason32 wrote:

> I'm assuming that the slider is in fact an adjustment curve ? How  
> far up does it shift the luminosity ?

Yes, its a localized, curve, designed to not effect areas other than  
the shadows. It effects about the bottom quarter of the tones...
>
> Can I embed my usual adjustment curve from photoshop in the profile  
> via the "import curve" function ?

Sure, if you have a curve you prefer, by all means use it.

> Or does this serve another purpose;
>
> and if so, is either method better ?

Well, the shadow detail slider is convenient, but has fixed parameters  
(the slope is adjustable, but the "toe" location is fixed). The Import  
Curve Function requires building your own curve in Photoshop and  
importing it (not a big deal but more than some people will want to  
do), but is much more flexible; and allows tonality adjustments as  
well (if, say, you want Monet-like purple shadows, you can adjust the  
shadow detail curve selectively between color channels to create that  
effect). So use what you are comfortable with, and move up to more  
powerful options when the easy ones cease to meet your needs.

C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
CDTobie@...

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