Denis Jul 26, 2005
> Hi Denis,
>
> Thank you very much for your fast reply.
>
> I knew the improvement you've noticed in the last beta update. But it concerns new DSS images, when they are downloaded from internet. Mines, at least the ones I gave as examples, are old: they belong to CDs stuff, and have never been downloaded from internet.
> Moreover the problem, that is to say the impossibility to adjust brightness/contrast of a single image, comes not from that image, but from its interferences with neaby other ones.
> Hope these precisions will help you, and other Guide users, to focus on the problem.
>
> Thanks again,
>
> Bertrand
>
> ----- Original Message -----
> From: Denis
> To: guide-user@yahoogroups.com
> Sent: Monday, July 25, 2005 10:55 PM
> Subject: Re: [guide-user] Contrast of images
>
>
> I believe that problem has been addressed in th upcoming update. The
> beta version has fixed some of the problems. You could use the beta
> version to temporally solve your problem.
>
> Denis
>
> Bertrand Laville wrote:
> > Hi All,
> >
> > I need help concerning contrast of images.
> > Some of DSS images are displayed on my screen totally blank or totally black, surely because I made a mistake at some moment.
> > But I can't adjust the contrast of a given image without changing the one of nearby other images.
> > Let me tell you an example.
> > At level 5, that is a field of 10 degrees, I can see on the same screen images of IC 4756, blank, IC 4665, blank, and NGC 6653, with a normal contrast. If I click on a corner of each one, I can read the same data concerning contrast: "contrast 2550 to 12751"
> > Then, If I click on display, and adjust the contrast / brightness of any of these images, the contrast / brightness of the three images vary accordingly. A consequence is that, if a decrease brightness up to obtain the two blank images with a normal brightness, the third one becomes totally black.
> > In any way, I can only obtain a normal contrasted image and two blank ones, or, on the contrary, two normal contrasted images and a third totally black.
> > Any idea on how modify contrast / brightness of an image without interfering with nearby ones ?
> >
> > Thanks in advance for your help.
> > By the way, a friendly hello from french Alps mountains, where the weather is pretty good !
> >
> > Bertrand
>
>
> [Non-text portions of this message have been removed]
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