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Auto Adjustments

Apr 12, 2012 12:08 PM

After watching the March video presentation, I went back to try the auto adjust on several images. It didn't work. For some reason (dim memory of earlier times?) I decided to switch to RGB from the gray scale image I was working. Voila! It works.

 

Not good. It will triple my storage space to accommodate.

 

And while I am at it, I noticed a strange behavior when I went to RGB. I had two adjustment layers running one Curves, one Brightness. I didn't flatten and the image changed dramatically. So I went back, turned off the layers, converted without flattening, turned on the layers and now it works as in gray scale. It is a Curve with an unusual shape.

 

Windows 7.

 
Replies
  • Currently Being Moderated
    Apr 12, 2012 1:18 PM   in reply to Hudechrome

    Given an appropriate image -- The Auto adjustments (auto-tone, auto-contrast) work for me in Grayscale, you do not need to convert to RGB to use them. Given an image that doesn't need much adjusting, the adjustments don't do much noticeable change.

     

    Do you have a grayscale image that is auto-corrected better after converting to RGB?

     

    I'd like to test it out for myself if you do!

     

    For my image testing, after converting to RGB from grayscale, the changes made to the image with the adjustment layers on was basically the same visible changes made to the image after turning off the layers,  then switching to RGB, and turning the adj layers back on.

     

    Maybe you could record a video if the odd behavior you're seeing?

    Thanks!

    Pete

     
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