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Re: command line raw conversion with chromatic

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  • Erik Krause
    ... Possibly. Create an artificial image with a black and white grid. Feed it to ACR (apparently newer versions than mine can load TIFF files, too) and pull CA
    Message 1 of 6 , Mar 31, 2009
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      Roger Howard wrote:

      > > ...just discovered a brand new wiki page on that:
      > > http://wiki.panotools.org/Tca_correct
      >
      > Interesting - any idea if these values can be used (as-is or converted) in
      > Adobe Camera RAW/Lightroom's CA correction?

      Possibly. Create an artificial image with a black and white grid. Feed
      it to ACR (apparently newer versions than mine can load TIFF files, too)
      and pull CA sliders to the extreme. Save images and treat them with
      tca_correct. See, whether it achieves a good correction with fulla. You
      should be able to determine a conversion factor between tca_correct and
      ACR values this way...

      --
      Erik Krause
      http://www.erik-krause.de
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