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== Use Adobe Photoshop Curve Presets with digiKam ==
Transcribed from Dmitri Popov's blog, 17 December 2012

While '''digiKam''' can’t handle Adobe '''Photoshop''' curve presets directly, the application supports curves in the GIMP-compatible CRV format. So if you want to use Adobe Photoshop curve presets with '''digiKam''', you have to convert them into .crv files — and the acv2gimp.py Python script can help you with that. Before you put the script to use, make sure that '''Python''' is installed on your system. Next, use the <code>chmod +x acv2gimp.py</code> command to make the script executable. Once you’ve done that, you can convert a curve preset by running the <code>./acv2gimp.py</code> command followed by the name of the file in the ACV format:

{{Input|1=./acv2gimp.py curvepreset.acv}}

By default, the converted file has the same name as the original preset sans the file extension (e.g., curvepreset.acv becomes curvepreset), but you can use the -o parameter to specify a different name:

{{Input|1=./acv2gimp.py -o converteredcurvepreset.crv curvepreset.acv}}

To load the converted curve preset in '''digiKam''', open a photo for editing and choose <menuchoice>Colors -> Curves Adjust</menuchoice>. Press then the <menuchoice>Load</menuchoice> button and select the converted curve.

[[Category:Graphics]]
[[Category:Photography]]
[[Category:Tutorials]]