[Digikam-users] Preview and editing of raw
caulier.gilles at gmail.com
Mon Sep 29 10:54:42 CEST 2008
2008/9/29 skmg <mikhako at gmail.com>
> Gerhard Kulzer-3 wrote:
> > On Monday 29 September 2008 08:28:25 skmg wrote:
> >> Gerhard Kulzer-3 wrote:
> >> > On Sunday 28 September 2008 20:04:50 skmg wrote:
> >> >> Hi
> >> >>
> >> >> I see that preview of CR2 image differs much from the same image
> >> >> is loaded for editing. Editing image is more lighty, with other color
> >> >> balance
> >> >> and etc. I can not get same colors as it showed in preview. How can I
> >> >> reach
> >> >> these colors by editing and converting to jpg?
> >> >
> >> > Sorry to start with a heretic question: if you want an image to look
> >> like
> >> > a
> >> > jpg, why don't you shoot in jpg mode?
> >> >
> >> > If you shoot RAW images you should want to control how they look
> >> whatever
> >> > that
> >> > means. You want your own thing!
> >> >
> >> > It took me quite a while to realize that for myself: If I like the way
> >> > the jpgs straight out of the camera look there is no reason to shoot
> >> > RAW and
> >> > try to reproduce something that the manufacturer took a lot of care
> >> > money
> >> > to produce (that particular recipe is hard to beat). I rather take the
> >> > jpgs,
> >> > convert them to a lossless format like png and be happy with it.
> >> >
> >> > When I use RAW images nowadays I have a particular aim in my mind or I
> >> > just
> >> > play with the freedom of interpretation, I've given up to imitate
> >> > industrial
> >> > products which are close to perfect in their own sense (jpgs straight
> >> > from the
> >> > camera).
> >> >
> >> > Other good reasons to take RAW images are: fidelity, repeatability,
> >> noise
> >> > reduction, hight light and dynamic range recovery. In there are some
> >> > reasons
> >> > that might you may want to reproduce the looks of industry fashioned
> >> > products
> >> > (jpgs). Usually I can achieve that (with CR2s) by importing RAWs with
> >> > everything set to default, white balance set to camera and applying a
> >> > camera
> >> > provided profile to the result.
> >> >
> >> > Gerhard
> >> >
> >> > _______________________________________________
> >> > Digikam-users mailing list
> >> > Digikam-users at kde.org
> >> > https://mail.kde.org/mailman/listinfo/digikam-users
> >> Hi
> >> You don't understand me. I mean preview which is generated by digikam.
> >> btw,
> >> editor must be able to reach the same colors. CR2 is much powerfull with
> >> more abilities. I just want to start with editing from the same view as
> >> preview has.
> > As I said above:
> > Usually I can achieve that (with CR2s) by importing RAWs with everything
> > set
> > to default, white balance set to 'camera' and applying a camera provided
> > profile to the result. You have to apply the same camera profile variant
> > as
> > you've set your camera to (e.g. landscape or neutral). My camera is a EOS
> > 40D.
> > But it works with the 30D too, just have to use the appropriate profiles.
> > Gerhard
> > _______________________________________________
> > Digikam-users mailing list
> > Digikam-users at kde.org
> > https://mail.kde.org/mailman/listinfo/digikam-users
> usually, I have no problem with white balance. The biggest problem is
> brithness and contrast. May be, saturation. The part of image is slighly
> overexposured, but preview shows details there, halftones, and image is in
> balanse. When I open to edit whit defaults, these details disappears. These
> parts begin to be too ligthy. When I begin to play around brightness,
> contrast, I am losing halftones. So, I just want to begin to work with
> from same stage which is in preview.
> I am using 400D. How can I import camera profiles to editor? And why
> has it but not editor?
Preview == JPEG image embeded in RAW file. this is _not_ rendered from RAW
This is why color sound fine for you : camera device firmware has processed
white balance + other stuff automatically.
RAW is different. nothing is done. you must trying to do what the camera has
done for you with JPEG, plus some variations of course...
digiKam 0.9.4 (not 0.9.3) try to do white balance + auto gamma with RAW
files. in 0.9.5 (KDE3) and 0.10.0 (KDE4) a new RAW Import tool is done to be
able to tune finelly all settings. Look here :
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