Re: [Gimp-user] New question on Gimp

[Jack Denman]

On Thu, 2015-11-12 at 18:45 -0500, Partha Bagchi wrote:
> You probably need a luminosity mask. Talk to Pat David: https://pixls.us
> 
> 
> On Wed, Nov 11, 2015 at 5:12 PM, Jack Denman  wrote:
> > Using Gimp, I would like to modify the highlights without modifying the
> > middle tomes on the shadows. I would like to increase the contrast of
> > just the highlight areas or darkening a little without modifying the
> > middle tones or the shadows. I don't care how complex the procedure is,
> > just how to do it. I am not asking about "blown out" highlights. Any
> > answer would be appreciated.
> >
> > Jack

I actually made a luminosity mask and by mistake hit the wrong selection
to subtract the mask instead of adding it. It made a better image. I
would like to tell you that it was my great artistic and computer
knowledge that made it better, but I can't.

It is said that when King George heard the Hallelujah course from
Handel's Messiah he stood up in reverence. There is another story that
he was heard of hearing and stood up because he thought that it was the
national anthem. I have a tendency to believe the latter story.


-- 
Regards,

Jack C Denman
H: (714) 680-4253
C: (714) 515-9365




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Re: [Gimp-user] New question on Gimp

[Pat David]

I think what you're looking to do is to use a luminosity mask to target
which tones in the image are being modified:

http://blog.patdavid.net/2013/11/getting-around-in-gimp-luminosity-masks.html

There's a discussion of this on gimpchat as well:
http://gimpchat.com/viewtopic.php?f=23=8983

On Thu, Nov 12, 2015 at 4:05 PM Jack Denman  wrote:

> Using Gimp, I would like to modify the highlights without modifying the
> middle tomes on the shadows. I would like to increase the contrast of
> just the highlight areas or darkening a little without modifying the
> middle tones or the shadows. I don't care how complex the procedure is,
> just how to do it. I am not asking about "blown out" highlights. Any
> answer would be appreciated.
>
> Jack
>
>
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> 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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Re: [Gimp-user] New question on Gimp

[Partha Bagchi]

Looks like I responded to another version of your post and see that
Pat has already responded to you. :)

On Thu, Nov 12, 2015 at 6:45 PM, Partha Bagchi  wrote:
> You probably need a luminosity mask. Talk to Pat David: https://pixls.us
>
>
> On Wed, Nov 11, 2015 at 5:12 PM, Jack Denman  wrote:
>> Using Gimp, I would like to modify the highlights without modifying the
>> middle tomes on the shadows. I would like to increase the contrast of
>> just the highlight areas or darkening a little without modifying the
>> middle tones or the shadows. I don't care how complex the procedure is,
>> just how to do it. I am not asking about "blown out" highlights. Any
>> answer would be appreciated.
>>
>> Jack
>>
>>
>> ___
>> 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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