> From: Roy Harrington [mailto:roy@...] > > You can pretty much do this with Photoshop. > Along the lines it sounds like you've already started: > > Do an Adj Curves Layer to lighten the corners. > Then add a circular grad as the mask -- black to white, center to corner. > Now you have the center un-lightened and the corners 100% lightened > and the gradient is linear from center to corner. > Now use Adj Curves on the gradient itself (I don't think there's any > way to make the gradient adjustment another layer). > In the adjust curves the input side is basically the distance from the > center and the output is the amount of lightening. So work the curve > so the beginning of lightening happens where you want it. > This Adjustment isn't a layer so you don't have quite the flexibility, > but you can Undo and try again with <opt><cmd>M. This returns > you to exactly the same curve so you can iteratively work on it. That works really well. Thanks for the suggestion. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@...
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RE: [Digital BW] Re: OT: Anti-vignetting plug-in?
2003-10-29 by Paul D. DeRocco
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