Graphics Programs Reference
In-Depth Information
Step Three:
So, at this point, you can ignore the
Opacity slider altogether, because the
only thing you're going to do here is
change the Fade dialog's Mode pop-
up menu from Normal to Luminosity
(as shown here). Now your sharpening
is applied to just the luminosity (detail)
areas of your photo, and not the color
areas, and by doing this it helps avoid
color halos and other pitfalls of sharp-
ening a color image.
Step Four:
Click the OK button, and now your sharp-
ening is applied to just the luminosity of
the image (which is very much like the
old Lab mode sharpening we used to
do, where you convert your image to Lab
Color mode, then just sharpen the Light-
ness channel, and then convert back to
RGB Color mode). So, should you apply
this brand of sharpening to every digital
camera photo you take? I would. In fact,
I do, and since I perform this function
quite often, I automated the process
(as you'll see in the next step).
 
 
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