Re: [Gimp-user] What is wrong with this picture?

2013-02-21 Thread Liam R E Quin
On Thu, 2013-02-21 at 14:03 -0800, Richard Gitschlag wrote:

> You missed only one (very important) detail:  The tool's Overlap setting.

No, I did it at 50% and mentioned that.
>  All pixels with hues falling between a 15° ~ 45° deviation from
> Magenta (a 30° range, or 50% of the 60° between Magenta and its
> neighbors) will receive a variable percentage (100% ~ 0%,
> respectively) of the Magenta channel's adjustment.

Right - but only those pixels - and no, no magenta channel, they get
their hue remapped. You could think of 

I use the tool a lot.

Try it with the "master" colour selected and as you move the Hue slider
you'll see it works just like Colours->Colourise, colouring the entire
image to the hue you select.

With just Magenta and and overlap, it's like doing select by colour in
Hue mode with a broad range, without feathering the selectoin, and then
running colours->colorise on that selection.

Whether it's working as intended is another question, but I get the same
sort of results regardless of which colour range I choose to remap.

Best,

Liam

-- 
Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
Ankh: irc.sorcery.net irc.gnome.org freenode/#xml

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Re: [Gimp-user] What is wrong with this picture?

2013-02-21 Thread Richard Gitschlag

Sorry.  I keep forgetting the bugtracker isn't GIMP specific (not that it 
affects the bug number much)

-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.


> Date: Thu, 21 Feb 2013 23:22:45 +0100
> From: schum...@gmx.de
> To: gimp-user-list@gnome.org
> Subject: Re: [Gimp-user] What is wrong with this picture?
> 
> On 21.02.2013 19:13, Richard Gitschlag wrote:
> > ...or what is wrong with my GIMP?  This behavior persists in every 2.6
> > and 2.8 build I've tried, in fact I'm pretty sure I first discovered it
> > somewhere in 2.4 .
> >
> > It's GTK bug #644032
> 
> Why do you label this as a GTK bug? You've reported it against the GIMP 
> product in GNOME Bugzilla:
> 
> https://bugzilla.gnome.org/show_bug.cgi?id=644032
> 
> 
> -- 
> Regards,
> Michael
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Re: [Gimp-user] What is wrong with this picture?

2013-02-21 Thread Michael Schumacher

On 21.02.2013 19:13, Richard Gitschlag wrote:

...or what is wrong with my GIMP?  This behavior persists in every 2.6
and 2.8 build I've tried, in fact I'm pretty sure I first discovered it
somewhere in 2.4 .

It's GTK bug #644032


Why do you label this as a GTK bug? You've reported it against the GIMP 
product in GNOME Bugzilla:


https://bugzilla.gnome.org/show_bug.cgi?id=644032


--
Regards,
Michael
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Re: [Gimp-user] What is wrong with this picture?

2013-02-21 Thread Richard Gitschlag

> Subject: Re: [Gimp-user] What is wrong with this picture?
> From: l...@holoweb.net
> To: strata_ran...@hotmail.com
> CC: gimp-user-list@gnome.org
> Date: Thu, 21 Feb 2013 14:35:07 -0500
> 
> I don't know where you get your "results should be like this"... you are
> not "increasing the magenta channel by 30%", you are mapping all pixels
> whose colour value in RGB space is within 30 degrees of magenta to a
> completely different hue, to a different location in HSV space
> 
> The effect you show happens with all the colour "channels".
> 
> I think you are wanting to increase saturation.
> 
> Or am I missing something?
> 
> Liam
> 

You missed only one (very important) detail:  The tool's Overlap setting.

IF we left the overlap setting at zero, then we would get exactly what you 
described -- only those pixels within absolutely 30 degrees of Magenta would be 
affected, everything else remains the same.

BUT with an Overlap setting of 50%, this "blurs" the threshold between Magenta 
and Red (and likewise between Magenta and Blue).  All pixels with hues falling 
between a 15° ~ 45° deviation from Magenta (a 30° range, or 50% of the 60° 
between Magenta and its neighbors) will receive a variable percentage (100% ~ 
0%, respectively) of the Magenta channel's adjustment.

Test it yourself:  Paint a simple red-to-yellow gradient, then go to the 
Hue-Saturation tool and (with overlap = 0) drain all saturation out of Red.  
Next, slowly increase the Overlap slider and watch how the pixel-sharp 
threshold between the two channels becomes a smooth fade.  It's very useful 
behavior when you're using this tool on photographs or other images with smooth 
color transitions around the hue thresholds; it just happens to make one epic 
screwup in this particular usecase.

-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.
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Re: [Gimp-user] What is wrong with this picture?

2013-02-21 Thread Liam R E Quin
On Thu, 2013-02-21 at 10:13 -0800, Richard Gitschlag wrote:
> ...or what is wrong with my GIMP?  This behavior persists in every 2.6
> and 2.8 build I've tried, in fact I'm pretty sure I first discovered
> it somewhere in 2.4 .

I don't know where you get your "results should be like this"... you are
not "increasing the magenta channel by 30%", you are mapping all pixels
whose colour value in RGB space is within 30 degrees of magenta to a
completely different hue, to a different location in HSV space, so it's
no wonder you get weird results.

The effect you show happens with all the colour "channels".

I think you are wanting to increase saturation.

Or am I missing something?

Liam

-- 
Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
Ankh: irc.sorcery.net irc.gnome.org freenode/#xml

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Re: [Gimp-user] import vs open

2013-02-21 Thread Richard Gitschlag


> Date: Thu, 21 Feb 2013 22:23:47 +0400
> From: alexandre.prokoud...@gmail.com
> To: gimp-user-list@gnome.org
> Subject: Re: [Gimp-user] import vs open
> 
> On Thu, Feb 21, 2013 at 10:21 PM, Richard Gitschlag wrote:
> 
> > ...Speaking of 'thinking habits', anyone want to know what change in GIMP
> > had the biggest negative impact on my individual workflow?
> >
> > Hint:  It was introduced in GIMP 2.4 .
> 
> If you said "2.6", I'd assume it was removing the menu from the toolbox :)
> 
> Can't say for 2.4.
> 
> Alexandre Prokoudine
> http://libregraphicsworld.org
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Actually 2.6's window management (i.e. the 'empty window') was a very positive 
thing for me.

The change I'm thinking of was technically very minor, but the ramifications 
from it were huge.

-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.
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Re: [Gimp-user] import vs open

2013-02-21 Thread Alexandre Prokoudine
On Thu, Feb 21, 2013 at 10:21 PM, Richard Gitschlag wrote:

> ...Speaking of 'thinking habits', anyone want to know what change in GIMP
> had the biggest negative impact on my individual workflow?
>
> Hint:  It was introduced in GIMP 2.4 .

If you said "2.6", I'd assume it was removing the menu from the toolbox :)

Can't say for 2.4.

Alexandre Prokoudine
http://libregraphicsworld.org
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Re: [Gimp-user] import vs open

2013-02-21 Thread Richard Gitschlag

> Date: Thu, 21 Feb 2013 01:33:52 +0100
> From: d.kup...@gmail.com
> To: s.korten...@hccnet.nl
> CC: gimp-user-list@gnome.org
> Subject: Re: [Gimp-user] import vs open
> 
> We can improve programs, we can create better images but we're unable
> to change peoples (un)thinking habits. Please imagine what harm to
> trade and workflow can arise from proposed improvement of open/import
> behaviour.
> 

...Speaking
 of 'thinking habits', anyone want to know what change in GIMP had the biggest 
negative impact on my individual workflow?

Hint:  It was introduced in 
GIMP 2.4 .


-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.
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Re: [Gimp-user] crop visible layers

2013-02-21 Thread Richard Gitschlag


Date: Thu, 21 Feb 2013 16:26:05 +0700
From: ibnu.h...@gmail.com
To: gimp-user-list@gnome.org
Subject: [Gimp-user] crop visible layers

Dear Developers,

It'll be useful if we can crop layers based on visibility. AFAIK gimp only 
capable crop current selected only. Thank you
-- 

Best Regards,Aditia A. Pratama
CG Artist & Compositor


Can you give an example of how this should work?

-- Stratadrake
strata_ran...@hotmail.com

Numbers may not lie, but neither do they tell the whole truth.


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[Gimp-user] crop visible layers

2013-02-21 Thread Aditia A. Pratama
Dear Developers,

It'll be useful if we can crop layers based on visibility. AFAIK gimp only
capable crop current selected only. Thank you

-- 
Best Regards,


*Aditia A. Pratama*
*CG Artist & Compositor*
*
"There's no secret ingredient to be special, you just have to BELIEVE that
you are Special" Po ~ Kungfu Panda

*
*Twitter* : @aditia_ap * | Skype* : adit1a* |
Facebook* : Aditia A. Pratama 
* | Linkedin : *Aditia *
www.aditiapratama.daportfolio.com  *
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[Gimp-user] Suggestions for the GIMP

2013-02-21 Thread WhoCares
>I claimed that some of them were, and some of the weren't. You would
>know that if you read before commenting.
>You are building offense on top of another offense and claim to have
>started a constructive discussion. That's some logic I cannot
>understand.
>We've discussed the "merit" a lot of times. There team already
>provided the final answer to the question. Is there a merit to
>discussing it again? Not that I know of.
>Likewise.
>
>Alexandre Prokoudine
>http://libregraphicsworld.org

Is there really a point in continuing to discuss things that have no "merit"?
Wasn't that your original point?

Do you want a public personal argument?

If that's what you're after, no problems. You have my permission to insert your
last word
here >>  <<

-- 
WhoCares (via www.gimpusers.com/forums)
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