Can you also put the jpg you shot since that tells me what you are
expecting to see?

As an aside you may want to visit Dave Coffin's page and read the FAQ
especially about gamma and linearity.

Thanks,
Partha



On Sat, Apr 5, 2014 at 4:11 PM, Jeffery Small <j...@cjsa.com> wrote:

> Partha Bagchi <parth...@gmail.com> writes:
>
> >Can you provide an example image to confirm this?
>
> Sure.  Let's use the clouds photo since it is a more modern Sony format and
> pretty dramatically shows the loss of information.  Point your browser
> here:
>
> http://smallthoughts.com/photos/misc/GIMP/clouds.arw
>
> and save the image.  This is a 24-Mb image file taken with an Alpha a77
> camera.
>
> Thanks for looking at this.  Let me know if I can provide any additional
> info.
>
> Regards,
> --
> Jeff
>
> >On Sat, Apr 5, 2014 at 3:11 PM, Jeffery Small <j...@cjsa.com> wrote:
>
> >> Alexander Rabtchevich <alexander.v.rabtchev...@gmx.net> writes:
> >>
> >> >When you look at an imported image in darktable without applying any
> >> >corrections, the program shows you the embedded preview, which was made
> >> >by the camera itself with all the corrections it (the camera) would
> made
> >> >with the original RAW when converting it to jpg. If you applyin UFRaw a
> >> >camera curve, similar to the one in darktable, you will see the similar
> >> >result...
> >>
> >> It's true that the lion image imported into UFRaw is terribly over
> exposed,
> >> but that is something that UFRaw is doing to the raw data.  The original
> >> image has proper exposure which was confirmed at the time the picture
> was
> >> shot as well as the proper exposure from the companion JPEG image (I
> shoot
> >> RAW+JPG).  In UFRaw the histogram is shoved completely to the right edge
> >> of the spectrum and there is no way to use this tool to fix the picture
> as
> >> most of the image detail is already lost.  When I open the same file in
> the
> >> DiMAGE Image Viewer software from Minolta (on a Windows XP machine), the
> >> raw image looks just fine and can be tweaked.
> >>
> >> So I have to assume that this is a serious bug in UFRaw and I have
> reported
> >> it as such.  I'm just confused that I have not heard other people
> >> complaining
> >> about this problem.
> >>
> >> Regards,
> >> --
> >> Jeff
> >>
> >> _______________________________________________
> >> gimp-user-list mailing list
> >> List address:    gimp-user-list@gnome.org
> >> List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
> >> List archives:   https://mail.gnome.org/archives/gimp-user-list
> >>
>
> >--001a11c2ef8064e2f704f65119ee
> >Content-Type: text/html; charset=ISO-8859-1
> >Content-Transfer-Encoding: quoted-printable
>
> ><div dir=3D"ltr">Can you provide an example image to confirm
> this?<div><br>=
> ></div><div>Thanks,</div><div>Partha</div></div><div
> class=3D"gmail_extra"><=
> >br><br><div class=3D"gmail_quote">On Sat, Apr 5, 2014 at 3:11 PM, Jeffery
> S=
> >mall <span dir=3D"ltr">&lt;<a href=3D"mailto:j...@cjsa.com";
> target=3D"_blan=
> >k">j...@cjsa.com</a>&gt;</span> wrote:<br>
> ><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0
> .8ex;border-left:1p=
> >x #ccc solid;padding-left:1ex">Alexander Rabtchevich &lt;<a
> href=3D"mailto:=
> >alexander.v.rabtchev...@gmx.net">alexander.v.rabtchev...@gmx.net</a>&gt;
> wr=
> >ites:<br>
>
> ><br>
> >&gt;When you look at an imported image in darktable without applying
> any<br=
> >>
> >&gt;corrections, the program shows you the embedded preview, which was
> made=
> ><br>
> >&gt;by the camera itself with all the corrections it (the camera) would
> mad=
> >e<br>
> >&gt;with the original RAW when converting it to jpg. If you applyin UFRaw
> a=
> ><br>
> >&gt;camera curve, similar to the one in darktable, you will see the
> similar=
> ><br>
> >&gt;result...<br>
> ><br>
> >It&#39;s true that the lion image imported into UFRaw is terribly over
> expo=
> >sed,<br>
> >but that is something that UFRaw is doing to the raw data. =A0The
> original<=
> >br>
> >image has proper exposure which was confirmed at the time the picture
> was<b=
> >r>
> >shot as well as the proper exposure from the companion JPEG image (I
> shoot<=
> >br>
> >RAW+JPG). =A0In UFRaw the histogram is shoved completely to the right
> edge<=
> >br>
> >of the spectrum and there is no way to use this tool to fix the picture
> as<=
> >br>
> >most of the image detail is already lost. =A0When I open the same file in
> t=
> >he<br>
> >DiMAGE Image Viewer software from Minolta (on a Windows XP machine),
> the<br=
> >>
> >raw image looks just fine and can be tweaked.<br>
> ><br>
> >So I have to assume that this is a serious bug in UFRaw and I have
> reported=
> ><br>
> >it as such. =A0I&#39;m just confused that I have not heard other people
> com=
> >plaining<br>
> >about this problem.<br>
> ><br>
> >Regards,<br>
> >--<br>
> >Jeff<br>
> ><br>
> >_______________________________________________<br>
> >gimp-user-list mailing list<br>
> >List address: =A0 =A0<a href=3D"mailto:gimp-user-list@gnome.org
> ">gimp-user-=
> >l...@gnome.org</a><br>
> >List membership: <a href=3D"
> https://mail.gnome.org/mailman/listinfo/gimp-us=
> >er-list" target=3D"_blank">
> https://mail.gnome.org/mailman/listinfo/gimp-use=
> >r-list</a><br>
> >List archives: =A0 <a href=3D"
> https://mail.gnome.org/archives/gimp-user-lis=
> >t" target=3D"_blank">https://mail.gnome.org/archives/gimp-user-list
> </a><br>
> ></blockquote></div><br></div>
>
> >--001a11c2ef8064e2f704f65119ee--
>
> _______________________________________________
> gimp-user-list mailing list
> List address:    gimp-user-list@gnome.org
> List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list
> List archives:   https://mail.gnome.org/archives/gimp-user-list
>
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