"Developing" digital photos

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"Developing" digital photos

Paul Verizzo
I must register amusement with that term, as someone who grew up in pro Dad's darkroom, mixes my own chemicals, and develops prints and both B&W and color films.

:)

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Today's Topics:

   1. Re: Using digiKam to develop professional photos (Knut Krause)
   2. Re: EXIF import failure (davidvj)
   3.  Tuning the interface settings (Marie-No?lle Augendre)
   4. Re: Tuning the interface settings (Gilles Caulier)


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Message: 1
Date: Wed, 24 Nov 2010 14:45:15 +0100
From: Knut Krause [hidden email]
Subject: [Digikam-users] Re: Using digiKam to develop professional
	photos
To: [hidden email]
Message-ID: [hidden email]
Content-Type: Text/Plain;  charset="iso-8859-1"

Hi,

if I set my workspace profile to AdobeRGB do I have to enable or disable the 
color managed view in the editor then? I'm completely confused. I think what I 
want is: encode the image in AdobeRGB and view it as sRGB, or? How do I get 
this?

Before I spent a whole lot of money in poster size development I would like to 
understand what I do ;)

Cheers

On Friday 19 November 2010 12:07:48 Marcel Wiesweg wrote:
  
I just started to learn about developing photos and now the big moment is
near and I want to print a photo in poster size.

I got the image here as a Canon RAW (*.cr2) file and I try to get the
very best out of it using digiKam.

Is there somewhere a nice howto for a professional workflow using
digiKam?

AFAIK has the RAW image no color space so I think the first step would
involve to convert it to AdobeRGB, or? Do I do this during the RAW import
selecting the "work color space"?
      
If you want to work in AdobeRGB, set this as the workspace profile in
digikam's settings. The color management settings for RAW import are
somewhat separate, easiest is that you set the output profile to Adobe RGB
as well. If you specify "no" input profile, libraw will do its best to get
the colors. For the perfect result, you'd need an input profile specific
to your camera.

    
Do I have an AdobeRGB image then? I tried this once and the metadata says
unkown color profile.
      
You need to look at the color tab in the right sidebar

    
The next question: Since sRGB is used for computer
display and AdobeRGB would simply look "wrong" do I have to enable the
color managed view or disable it during my work?
      
Yes. In the editor, you can switch it on and off and see that the colors
will be slightly desaturated without it. It's much more obvious with
wide-gamut profiles. The output is simply wrong.
Isn't color-managed view enabled by default?
(again, for the perfect result, you'd need an output profile specific for
your screen. If you dont have the necessary hardware device, or a cheap
notebook LCD, then sRGB should be good enough. I'm using sRGB here as
well)

Marcel



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------------------------------

Message: 2
Date: Wed, 24 Nov 2010 13:52:04 -0800 (PST)
From: davidvj [hidden email]
Subject: [Digikam-users] Re: EXIF import failure
To: [hidden email]
Message-ID: [hidden email]
Content-Type: text/plain; charset=us-ascii


As an experiment I copied 3 image (png) files out of a folder to the desktop.

File a.)  had been raw processed in DK and the EXIF data was already
showing.

Files b.) and c.) were raw processed outside of DK, both had valid EXIF data
attached but DK would not display the data.

I then tried to 'import' the renamed test files back into a DK folder in the
hope that the EXIF data would now show. Unfortunately this did not work.

David
  

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