Re: [Gimp-user] Changing the color of a PNG image

2007-05-02 Thread GARNIER Jean-Luc
Hi Matt!
 
Did you select an area of the image or the whole image before you
applied the color map rotation function?
 
I've selected the whole image... Does it do any difference? Anyway, the
preview doesn't display any change while I'm playing with the color
sectors or the grey levels... :-(
 
Thanks for your helo,
 
Cordialement / Best regards,

Jean-Luc GARNIER

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Re: [Gimp-user] Gimp 2.2 and Wacom Graphire3

2005-01-14 Thread Jean-Luc Coulon (f5ibh)
Le 14.01.2005 21:40:34, Marco a écrit :
Hello,
firstly, I got really impressed by the way this stuff has been
recognised... without editing ANYTHING the tablet could work... and I
could even do some drawings...
The default is to have your mouse / stylus / eraser acting like a mouse.
There is the linuxwacom project that allows the correct working of the  
wacom tablet replacing some modules in the kernel and in the xfree tree  
(I suppose you are using linux).

This project is hosted at sourceforge :
http://linuxwacom.sourceforge.net/
the problem is:
there is none of the 512 (i think) pressure levels active. i don't
know how this can be fixed, and I don't even know either if it is
actually a GIMP problem or not [please don't kill me]...
I've a graphire 2 and I've the full functionnalities only after using  
the modules from this project

as I have found nothing helpful over the net, can you suggest me some
solutions?
gr33ts
:m8c:
Regards
Jean-Luc


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Re: [Gimp-user] What is really used in CMYK ?

2004-07-19 Thread Jean-Luc Coulon (f5ibh)
Le 19.07.2004 19:13:19, Carol Spears a écrit :
« On Mon, Jul 19, 2004 at 09:12:54AM +0200, cedric wrote:
« 
«  LittleCMS is very good, but is written with Qt. I guess it will
« hardly
«  be available on Windows.
« 
« iirc, lcms was written on Windows.
At least there are Debian packages for it.
--
		- Jean-Luc
«
« carol
« 



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Re: [Gimp-user] language set up

2004-07-05 Thread Jean-Luc Coulon (f5ibh)
Le 05.07.2004 20:06:27, will a écrit :
 « Hello!
 « I just downloaded the gimp, but I can't choose the
 « language...what shall I do?
With linux ? Windows ?
Which language do you want ?
If linux, what does the locale comamnd say ?
---
Regards
 -Jean-Luc
 « Thanks
 «
 « William
 « 



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Re: [Gimp-user] Gimp 2 doesn't see my xsane scanner anymore!

2004-07-01 Thread Jean-Luc Coulon (f5ibh)
Le 01.07.2004 14:27:21, Laurence Orchard a écrit :
On Wed, 2004-06-30 at 22:11, Jean-Luc Coulon wrote:
 On Wed, Jun 30, 2004 at 09:56:44PM +0100, Laurence Orchard wrote:
  Hi
 
  I have installed Gimp 2 onto my FC1 system along side a 1.2   
1.3.
  The I have a USB HP OfficeJet 6110 that has a built in scanner.
This
  scanner is found and recognised by version 1.2, but not by  
version
1.3
  or Gimp 2.


OK ! i have downloaded, compiled  installed 0.94. It will run stand
alone, but not as a plugin.
xsane-gimp doesn't exist anymore, not even in /usr/local/bin the ? 
new?
default dir.
If you have xsane installed in /usr prefix you shoud have a /usr/bin/ 
xsane executable for it (which xsane will tell you where it is  
located).

Go to your .gimp-2.0/plug-ins directory (in your home directory) and  
add a symlink to the xsane binary :
cd .gnome(2.0/plug-ins
ln s /usr/bin/xsane

This will give the following symlink:
xsane - /usr/bin/xsane
For a general usage on your machine you can make the symlink in
/usr/lib/gimp/2.0/plug-ins
---
Regards
- Jean-Luc
 You have to use the latest version of xsane.
 0.94 is the latest one.

 --
- Jean-Luc
 
  Question: How do I get Gimp 2 to see it?
 
  Laurence



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Re: [Gimp-user] Terrible time to get 2.01 running

2004-06-08 Thread Jean-Luc Coulon (f5ibh)
Le 07.06.2004 22:49:39, Robert Krueger a écrit :
Michael Schumacher wrote:
Carol Spears wrote:
On Mon, Jun 07, 2004 at 03:30:09PM -0400, Robert Krueger wrote:

I have the feeling that if I just eliminate the files for glib  
2.3.6 or the text that pkg-config found, that it would configure  
without complaint.   I don't know how to find and eliminate this  
text or files, though.

well, that is the thing about linux.  you are still trying to work  
with
the distribution.  distributions break.

Doesn't Suse have a tool used for package management (yast2, iirc)?  
Maybe removing and/or upgrading glib with this toll can help?

HTH,
Michael

Already did that.   That's why I have 2.2.3 on the system.
Robert
I suppose you have a -dev package related to glib, something like  
libglib-dev_something, do you have it installed with the same version  
as the glib package itself ?

--
regards
- Jean-Luc

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Re: [Gimp-user] GLIB 2.4.1 install help. . .

2004-06-04 Thread Jean-Luc Coulon (f5ibh)
Le 04.06.2004 16:21:06, Carol Spears a écrit :
On Fri, Jun 04, 2004 at 04:10:28PM +0200, Sven Neumann wrote:
 Hi,

 Carol Spears [EMAIL PROTECTED] writes:

  and building a working gtk2 for debian sid was better than  
getting
  it from them, at the moment.  including tricking it with a local
  build of glib.

 debian sid has a perfectly working gtk+-2.4.1 which is also  
supposed
 to enter debian testing tomorrow.

maybe on your big boffo computer but not here.
Dunno what is the meaning of buffo, but gtk-+-2.4.1 from Debian sid  
is working  perfectly on my K6-2 500. I've also built glib / gtk from  
source with the help of the garnome package which can be an alternative  
for those who want the sources from the source [tm].

--
Regards
- Jean-Luc
carol


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Re: [Gimp-user] ANNOUNCE: GIMP 2.1.0 Development Release

2004-06-03 Thread Jean-Luc Coulon (f5ibh)
Le 03.06.2004 14:27:08, Sven Neumann a écrit :
Hi,
it's about seven weeks since we branched the CVS tree and there is  
now
a first development snapshot of GIMP 2.1 available from ftp.gimp.org
and it's mirrors:

   http://gimp.org/downloads/#mirrors
This is an unstable development release. It certainly has bugs and
there are a number of unfinished hacks. We are nevertheless  
interested
in your feedback and would like you to file bug reports for crashes
and non-obvious problems.

[ ... ]
I've built the cvs several time, just to see if I have everything  
needed on my system.
After the incoming of gtk-2.4 on Debian sid, everything went fine...  
about compilation and run.

I've anyway a couple of question :
1 - localization : I've not found the way the localization is done (if  
done) with the new xml menu structure.

2 - gtk-2.4 file chooser : I've not found the way to enter a filename  
from the keyboard but only a graphical, mouse friendly menu. Is there  
a way to select a file in a classical way ? With the previous versions,  
it was easy, even the gtk+ completion was fine.

--
Regards
- Jean-Luc


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Re: [Gimp-user] Question about Exif browser plug-in

2004-05-23 Thread Jean-Luc Coulon (f5ibh)
Le 23.05.2004 20:57:24, Tom Williams a écrit :
Hi!  I was installing various Gimp 2.0 plugins on Linux this morning  
and installed the Exif browser so I could check it out:

http://registry.gimp.org/plugin?id=4153
I can't seem to find any information on how to actually invoke the  
plugin to see the Exif data and I was wondering if anyone knew how to  
do this.  :)

The doc that comes with the plugin discusses many things EXCEPT how  
to actually run the plugin.  :)
Load the picture then from the Image window:
Filters - generic - exif browser
--
Regards
- Jean-Luc
Thanks!
Peace...
Tom
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Re: [Gimp-user] Xsane again.

2004-05-07 Thread Jean-Luc Coulon (f5ibh)
Le 07.05.2004 04:39:38, John Culleton a écrit :
On Thursday 06 May 2004 06:51 am, Jean-Luc wrote:


 The latest version of xsane (0.93) has the gimp-2.0
 support



 --
- jean-Luc
I dwonloaded, unpacked, configured and ran make. Got this
error message:
/usr/lib/libgimp.so: undefined reference to `PLUG_IN_INFO'
It depends how you have built gimp.
Where did you built gimp-2.0?
On my system, the correct library is /usr/lib/libgimp-2.0 ...
Maybe you have to add a LD_LIBRARY_PATH environment variable to tell  
which lib is to be used (xsane 0.92 was built against gimp1.2  
libraries).

--
- Jean-Luc
collect2: ld returned 1 exit status
make[1]: *** [xsane] Error 1
make[1]: Leaving directory `/usr/local/xsane-0.93/src'
make: *** [all-recursive] Error 1
Hints?
(xsane 0.92 compiled OK)
--


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Re: [Gimp-user] Xsane again.

2004-05-06 Thread Jean-Luc
On Thu, May 06, 2004 at 12:42:05AM -0400, John Dietsch wrote:
 John, I don't know your precise setup but i am using my Epson scanner with
 Gimp 2  Xsane. I submitted my setup and method yesterday with details.  
 Gimp 2  Epson scanners. If you missed it, I'll send it to you direct.  
 John Dietsch
 
 On Wed, 5 May 2004, John Culleton wrote:
 
  I went to the Xsane site, attempted to apply the Gimp 2.x 
  patch, and moved Xsane to a directory where Gimp 2.0 can 
  find it. However Gimp still gives me a message that Xsane 
  does not have Gimp support compiled in. Now if the rest of 
  the world has had success with this patch I will try the 
  cycle all over again. But my instinct is that I should wait 
  until the Xsane guy gets around to applying the patch to 
  the CVS files or whatever so I don't have to fool with it. 
  Patches are not my best friend.
  
  So--- anyone having success with incorporating Xsane into 
  Gimp 2.x as a plugin? Sven wrote one of the patches so he 
  is probably a success story. Anyone else?
  
 

The latest version of xsane (0.93) has the gimp-2.0 support

 

--
- jean-Luc


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Re: [Gimp-user] picture orientation

2004-05-04 Thread Jean-Luc
On Mon, May 03, 2004 at 04:50:03PM -0500, Timothy E. Jedlicka - wrk wrote:
 As mentioned, the exif header info in the jpg is telling kuickshow how to 
 rotate the image. After editing in Gimp, you can use jpegtran to change the 
 exif info (to not rotate).
 jpegtran -rotate 90 file.jpg  newfile.jpg
 

There is also the jhead utilisty to manipulate the exif data.

jhead -norot filename  clears the rotating fild in the exif header.

 this is a lossless conversion, only effecting the exif header.
 -
 Timothy Jedlicka, [EMAIL PROTECTED], 1-630-713-4436, AOL-IM=bonzowork
 Network Entomologist, Lucent Technologies, Testers For Hire
 
 
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28 rue d'Evette / / / // _ \ / __ \ / // __ `// __ \
90350 Evette-Salbert   / /_/ //  __// /_/ // // /_/ // / / /
France/_/ \___//_.___//_/ \__,_//_/ /_/ 
   


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Re: [Gimp-user] cant win, or break even and what are the rules anyway.

2004-05-02 Thread Jean-Luc Coulon (f5ibh)
Le 02.05.2004 13:05:15, david a écrit :
Hi all

[ ... ]
checking for libgtkhtml-2.0 = 2.0.0... Package libgtkhtml-2.0 was  
not found in the pkg-config search path.
Perhaps you should add the directory containing `libgtkhtml-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libgtkhtml-2.0' found
configure: WARNING: *** Help browser plug-in will not be built  
(GtkHtml2 not found) ***
checking for librsvg-2.0 = 2.2.0... Package librsvg-2.0 was not  
found in the pkg-config search path.
Perhaps you should add the directory containing `librsvg-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'librsvg-2.0' found
[ ... ]

There is a problem though.  The packages are present.  I have added / 
usr/lib to the ld.so.conf file and ldconfiged.  Still no luck.
The packages are present .. Bau di you have the *developement* packages  
installed too? (probably something like name-dev depending of your  
distribution).

--
- Jean-Luc
Why is this happening?

Cheers and kind regards in advance.

David
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Re: [Gimp-user] Upgrading to v2 with apt or yum...

2004-05-02 Thread Jean-Luc Coulon (f5ibh)
Le 02.05.2004 14:07:49, Brad a écrit :
I would like to upgrade to gimp v2 from v1.25. Does anyone know of an  
apt or yum repository that has all the files to complete the upgrade?
If you have a dian system (as you are asking for apt). The unstable  
version of Debian (sid) has gimp 2.0.1-1

--
Regards
- Jean-Luc
Regards,
Brad


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[Gimp-user] Thumbnails creation and progress bar windows

2004-04-13 Thread Jean-Luc Coulon (f5ibh)
Hi,

In the File - open menu, if I select many files to build the  
thumbnails, it takes some (...) time.

So, I switch to an other desktop (I use gnome/metacity), leaving the  
process to complete in the (my) background.

But there is one popup, which displays the progress bar, for each  
thumbnail created. This popup is created in the current desktop and not  
in the one The Gimp was launched.

Is there a mean to disable the progress status window or to keep it on  
the original desktop ?

--
Regards
- Jean-Luc

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[Gimp-user] Is there a mean to display exif data from within the Gimp

2004-04-07 Thread Jean-Luc Coulon (f5ibh)
Hi,

I would like to dispaly exif data from pictures I've got with a digital  
camera.

I've not found if there is this feature implemented in The Gimp (if no,  
it would be nice).

Sorry if the question has already been posted, I've tried to search the  
archives but got an error message.


ht://Dig error
htsearch detected an error. Please report this to the webmaster of this  
site. The error message is:

Unable to read configuration file

(I've reported this error)

--
Regards
- Jean-Luc

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Re: [Gimp-user] Future GIMP plans

2004-04-05 Thread Jean-Luc Coulon (f5ibh)
Le 05.04.2004 16:00, Patrick Shanahan a écrit :
* peter kupec [EMAIL PROTECTED] [04-05-04 07:24]:
Am Sonntag, 28. März 2004 18:57 schrieb Jean-Luc Coulon (f5ibh):
 If you speak of raw data from digital camera. There is dcraw.  
There
 is a plugin for it called rawphoto. As The Gimp can only manage 8
 bits per channel, you willnot get more. But as dcraw is able of
more
 (48 bits with the -4 option) it is bits ready !

I am interested in the 2 plug-ins mentioned above, but in the plug- 
in
registry
I could not find any; where should I look for?
It, rawphoto, must be installed and dcraw is not a plug-in.  It is a
stand-alone executable.
In fact, the plug-in is rawphoto but it needs dcraw in your path.
rawphoto presents you a dialog to choose various parameters (white  
balance, gamma, ...) to dcraw then call dcraw.

--
- Jean-Luc
google.com/linux is your friend

look at www.cybercom.net/~dcoffin

--
Patrick ShanahanRegistered Linux User #207535


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Re: [Gimp-user] rotate a pic

2004-04-05 Thread Jean-Luc Coulon (f5ibh)
Le 05.04.2004 22:02, Gracia M. Littauer a écrit :
I want to rotate a pic about 20 degrees.

I can easily do this in PhotoShop...but of course I end up with a
larger
pic  the white triangles that square off the pic. How do I rotate pic
in gimp  end up without the pic cut off.
Resize the cancas before rotating the picture.

--
Regards
- Jean-Luc
--
Gracia...living in Cooleemee, NC
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Re : [Gimp-user] Wacom intuos2

2004-04-04 Thread Jean-Luc Coulon (f5ibh)
Le 04.04.2004 17:35, Khiraly a écrit :
Hi!

I have buyed a Wacom intuos2 tablet. Where can I found any
documentation
for using with gimp? Im interesting on pressure sensitive(0-1024), and
the tilt. Thanks in advance!
I've a Graphire2, basically, it is the same behaviour, even if I've not  
the tilt ;-)

Go to File - Preferences - Input Devices
Click Configure Extended input Devices
You have a list with Stylus / Eraser / Pointer and you can choose for  
each of them Disabled, Screen or Window
(I suggest Screen)

Then you can choose the Axes... The default values should be fine.
With my Graphire, I've the pressure working.
--
Regards
- Jean-Luc

(At presence it work just like a mouse pointer.)

Cheers,
Khiraly


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Re : [Gimp-user] Re: Re: Re: Monitor for Gimp

2004-03-31 Thread Jean-Luc Coulon (f5ibh)
Le 31.03.2004 22:29, John Culleton a écrit :
On Wednesday 31 March 2004 01:34 pm, GSR - FR wrote:
[EMAIL PROTECTED] (2004-03-31 at 2011.13 +0200):
[.. destructive compression ..]

I am busy window shopping on Ebay etc. If the monitor has an
adjustment for color temperature is that the equivalent of
adjustable gamma? Or are they different parameters?
No, it is an other thing. There are 4 important parameters:

- white point and black point, both are adjusted with brightness and  
contrast settings
- colour temperature: a tungstene light has a colour temperature of  
about 3200K, a flash lamp gives you a colour temperature of about  
5500K, sunny daylight is about 6500K. With high colour temperatures,  
the colour cast is blueish, with low colout temperature, it is redish.
Normal office work dispaly uses color temperature as high as 9300K. For  
photography, 6500K is better.
- gamma : this is the non linear function transfer of the brightness  
given by the display as a function of the pixel value.

--
- Jean-Luc

--
John Culleton


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Re : [Gimp-user] Re: Monitor for Gimp

2004-03-30 Thread Jean-Luc Coulon (f5ibh)
Le 29.03.2004 16:27, Sven Neumann a écrit :
Hi,

do you consider global gamma adjustment useful at all? It means that
everything on your screen, inlcuding the GUI and also the content
displayed in your web-browser, image viewer, PDF viewer ...  is
gamma-corrected. IMO this is questionable since most software assumes
an uncorrected display. Shouldn't gamma correction take place at the
application level instead so that it is only applied to images that
specify a gamma correction?
The best solution would be to have the whole desktop managed.

But, as most of the applications are not aware of the gamma you setup  
in Xfree, I my opinion, the best is to do the correction at the  
application level (as does scribus for instance).


Please excuse my ignorance, I am trying to understand what's really
needed for professional image manipulation and so far I understood
that global gamma correction is not desirable.
In the case of professional use, most of the image processing stations  
will have a dual-head system. One display, calibrated (profiled) to  
display the picture you are working on (mostly a CRT or a dedicated  
plasma type, only few -- expensive -- TFT are able of a right contrast/ 
gamma/colour handling) and a second one for the palettes, tools and so  
(and other applications like web browser). This one is mostly a  
relatively cheap TFT.

--
- Jean-Luc


Sven

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Re : Re : [Gimp-user] Re: Monitor for Gimp

2004-03-30 Thread Jean-Luc Coulon (f5ibh)
Le 30.03.2004 16:26, Sven Neumann a écrit :
Hi,

Jean-Luc Coulon (f5ibh) [EMAIL PROTECTED] writes:

The best solution would be to have the whole desktop managed.

But, as most of the applications are not aware of the gamma you  
setup

in Xfree, I my opinion, the best is to do the correction at the
application level (as does scribus for instance).
Huh? If you set your gamma correction on the X server than everything
on your screen is gamma corrected, completely transparent to the
application.  What do you mean by an application being aware of the
gamma you setup in Xfree ?
If you setup a gamma of say 2.2 in Xfree, you will get most of the  
appllications wrongly displayed as they are not designed to support  
this setting.

--
- Jean-Luc


Sven



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Re : [Gimp-user] Monitor for Gimp

2004-03-29 Thread Jean-Luc Coulon (f5ibh)
Le 29.03.2004 01:46, John Culleton a écrit :
On Sunday 28 March 2004 04:15 pm, Jean-Luc wrote:
On Sun, Mar 28, 2004 at 02:38:12PM -0500, John Culleton
wrote:
The best is to adjust the gamma within the Xfree
software. There is an application called kgamma and a
plugin for gkrellm to do such an adjustement.
KGamma for some reason was not included on my LInux
Slackware 9.1 system so I downloaded the Kgraphics 3.2
package and am compiling it as I write this.
I had no luck with LProf and sent an inquiry to the authors.
Whenever I tried to load a file it just quit suddenly with
no error message.

Is Gamma adjustable on monitors less than $1,000 US?
In fact, you don't adjust the gamma of the monitor, you tune the window  
manager, the whole xfree or the application to match the gamma of your  
monitor. The gamma of the monitor is the transfer function of the  
electron beams of your monitor. It describes the non-linear relation  
between the pixel values and the monitor luminance.

Luminance = (pixelvalue/255)^^gamma

As an example, you will find attached what is such a transfer function  
for several value of gamma.

General, the commonly admited value of gamma for PC is 2.2, the value  
for a MAC is 1.8 and a liear transfer function will gives 1.

There is also an other setting you have to take care of: it is the  
colour temperature of your display. There is for most the display the  
choice of different colour temperature. The default value is 9500K  
which gives very cold colours (too much blue). This is perfect for  
office work. For digital photo processing a colour temperature of 6500K  
if available is more suitable.

--
John Culleton


--
Regards
- Jean-Lucattachment: gamma.png

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Re : Re?: [Gimp-user] [jean-luc.coulon@wanadoo.fr: Re?: Gimp and prepress functions [long]]

2004-03-28 Thread Jean-Luc Coulon (f5ibh)
Le 28.03.2004 18:07, Carol Spears a écrit :
On Sun, Mar 28, 2004 at 02:39:03PM +0200, Jean-Luc Coulon (f5ibh)
wrote:
Hi Carol,

Le 27.03.2004 18:59, Carol Spears a ?crit?:
hi,

thanks for the detailed description.

the developers might be leaving this out so that computer jobs  
could

be
had by people local to the print savvy people who need this stuff.

i had a vision where people quit sending money to one or two places
in
the world and sent it locally.

I'm a bit confused: how is the money involved in this topic?

if you were to open a print shop or a photo print shop -- you would
send
all of your money to probably Windows and Adobe.  with TheGIMP, you
could actually hire a local programmer and keep all that cash local.
Huh? This seems to be a bit esoteric Once again what money has to  
do with colour management ?

Do you mean it is *needed* to get Microsoft and Adobe softwares (and to  
pay or them) to get an colour managed system?

who knows what the people who live and work in Redmond do with their
money -- the locals maybe would spend some of this same money where
ever
they live.  which would be where the print facility is and probably
where you (the owner) lives.
silly simple flow concepts -- probably things are more complicated  
than
this, but probably not by much.
What people who live and work in Redmond (BTW what is Redmond?) has  
to do with the imp and colur management?

Silly is the word.

carol




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Re : [Gimp-user] Future GIMP plans

2004-03-28 Thread Jean-Luc Coulon (f5ibh)
Le 28.03.2004 18:34, Alexander Rabtchevich a écrit :
I've read the discussion in GIMP-developers list on the plans for  
GIMP future versions and their timeframe.

So I can just add the impression from reading the discussion on the  
new 2.0 version in Russian Linux forum. The main problem of The GIMP  
2.0 from the users POW is, it is more powerful than regular users  
need and still don't have features the professional needs. These  
features are: more than 8 bits per channel and color management.

So as for me I'd like to see RAW support (I mean without  
downsampling) and 16 bits per channel first of all :) .

If you speak of raw data from digital camera. There is dcraw. There is  
a plugin for it called rawphoto. As The Gimp can only manage 8 bits per  
channel, you willnot get more. But as dcraw is able of more (48 bits  
with the -4 option) it is  bits ready !

--
- Jean-Luc

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Re: [Gimp-user] Monitor for Gimp

2004-03-28 Thread Jean-Luc
On Sun, Mar 28, 2004 at 02:38:12PM -0500, John Culleton wrote:
 I find that my current monitor (Orion 17 inch OC-17DB0725) 
 has adjustments for brightness and contrast but none for 
 gamma.  The venerable Gimp User Manual (GUM) offers 
 instructions for making at least a crude Gamma adjustment. 
 But my monitor has no such adjustment.  and when I load the 
 file recommended by the GUM I find that my monitor is at 
 the high end of the scale for gamma. 

The best is to adjust the gamma within the Xfree software.
There is an application called kgamma and a plugin for gkrellm to do
such an adjustement.

You can alsao use lprof to create a profile for your monitor. lprof
allows you to have a separate gamma for each of the RGB channels. Then
you can use this profile with the 'color proof' filter within the Gimp.
 
 Is there a monitor at a reasonable cost, a few hundreds of 
 dollars, that allows for adjustment of gamma? Bearing in 
 mind the limitations of Gimp in the color management area, 
 what is suggested? I just want to get things close enough 
 that what I send to the printer will bear some relationship 
 to what I see on the screen in Gimp, allowing for (of 
 course) the conversion to CMYK at some point. 
 -- 
 John Culleton
 Able Typesetters and Indexers
 http://wexfordpress.com
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- Jean-Luc
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[Gimp-user] [jean-luc.coulon@wanadoo.fr: Re: Gimp and prepress functions [long]]

2004-03-27 Thread Jean-Luc
- Forwarded message from Jean-Luc Coulon (f5ibh) [EMAIL PROTECTED] -

Hi,

I forward this message to the user list as the thread begun there.
I have done a replied to the message I got from Carol addressed to me a
cc to the web list.

Please Carol, don't do cross-threading [tm], we become a bit confused
following threads with such pratices.

---

Regards
- Jean-Luc

From: Jean-Luc Coulon (f5ibh) [EMAIL PROTECTED]
To: Carol Spears [EMAIL PROTECTED]
Cc: GIMPWeb [EMAIL PROTECTED]
Subject: Re : Gimp and prepress functions [long]

Le 23.03.2004 22:57, Carol Spears a écrit :
On Tue, Mar 23, 2004 at 10:29:41PM +0100, Jean-Luc Coulon (f5ibh)
wrote:
[...]

i wonder how one compensates for the external lighting on the monitor?

The monitor has to be calibrated in the lighting conditions you will  
use it. It is the same for checking the prints. I calibrate the monitor  
for 6500K Colour Temperature and when I need to be very precise in some  
checking I use an external liggting which color temperature is known  
(it does not *need* to match perfectly the one of the display, I use  
blue incandescent bulbs which colour temperature is about 5000K).


i had a chat with a manager of a print shop; he told me that he went  
to
an all day conference where he learned that the best way to convert
from
one set of colors to another was to let the machine doing the printing
make the conversion.

If you left the machine to do the job, you are never sure of wht you  
will get. Everything is averaged. i.e. if you have a photo with lot of  
green (forest, grasses), you will get a colour shift to magenta of  
otherwise neutral parts.


i had a friend who went ahead and bought the full Photoshop (7) for  
the
print conversion goodness found within, only to have the printer scold
her for not using their software.  she paid for their proper
conversion.

i will read this article, but even i can see that during the day, my
images look vastly different than they do at night on my computer
display.

If you work in the dark, then you have to calibrate your monitor in  
such conditions.

perhaps it is in your best interests to purchase a devise that will
change the monitor coloring moment by moment.  even a change of the
angle of the monitor (physically move your monitor right now and see
what i mean) will make the colors look very different -- without
changing the file whatsoever.

LCD (TFT) monitors have their gamma which change drasticly when you  
change the angle of view. (but some very few expensive ones). CRT are  
still better on this point of view. Anyway, a display doesnt have  
steady characteristics and has to be calibrated time to time. Only few  
display has a feeback control for thee electron beam (some Barco made).  
But they are *really* expensive... But sometimes *needed* depending the  
work you have to do. Fine arts professional *do* need a calibrated  
process.

if it is an issue of not using some rgb values then i think that the
color dialog will do this.

There are several things: what the data are and how they are displayed  
and/or printed. An uncalibrated monitor will display a wrong colour  
while the RVB data are correct due to its own rendering transfer  
function. Applying the icc profile (hte one from the manufacturer or  
created by yourself with a spetrocolorimeter or at least with a tool  
like lprof under linux which allows you to setu the gamma) will allow  
the display to render the right colour. The data in the file are not  
changed. If you need an other colour space. Then the data has to be  
changed and the colour space data has to be embedded in the picture  
file. sRGB colour space has the minimum_average_commun gammut of most  
the devices. It has been created (mostly by Microsoft) to avoid  
embedding colourspace. sRGB is standard in Windows (so-called)  
operating systems.

if it is an issue of how the file appears i dont know that you can
accomplish this.  and i use a desktop -- what about people using
laptops?  they were made for mobility and portability (i think).  how
many color profiles would it take to make up for the ambient lighting
moment by moment if you can use your computer just about anywhere in
this whole big world of ours.

You cannot use a laptop for *photography* processing. You can do  
graphic creation. You can do special effects. You can do web creation.  
But for photography, you *need* a calibrated monitor or you will be  
blind working.


i really hope that there is more to this need than this explanation.

can you all tilt your monitors right now to see what i am saying?

carol

--
Best regards
- Jean-Luc



- End forwarded message -

-- 
---
   __ _ 
Jean-Luc Coulon (f5ibh)  / __ \ ___   / /_   (_) _  
28 rue d'Evette

Re : [Gimp-user] How to install help system for 2.0

2004-03-27 Thread Jean-Luc Coulon (f5ibh)
Le 27.03.2004 18:09, Elaine Normandy a écrit :
Without difficulty, I downloaded the Fedora rpm and am now happily  
playing with Gimp 2.0.  Nice work, everyone!

However, when I attempted to download the tarball and do the ./ 
configure, I get the following message:

checking for gimp-2.0... Package gimp-2.0 was not found in the pkg- 
config search path.
Don't you have some -dev package ?

Perhaps you should add the directory containing `gimp-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gimp-2.0' found
I couldn't find the gimp-2.0.pc file anywhere using locate.   
Suggestions?

--
- Jean-Luc

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Re : Re : [Gimp-user] Gimp and prepress functions

2004-03-24 Thread Jean-Luc Coulon (f5ibh)
Le 24.03.2004 14:28, Sven Neumann a écrit :
Hi,

Jean-Luc Coulon (f5ibh) [EMAIL PROTECTED] writes:

GIMP 2.0 comes with a color proof display filter that uses ICC  
color
profiles to simulate a proof on your monitor. Support for such
filters
is new in 2.0 and for the future it is planned to integrate display
filter modules better into the workflow.

I've used the colour proof display filter with profiles I built with
an
eye one spectrophotometer from GretagMacbeth. This allows be at  
least

to have the right colours on the screen while the photos I get from
my
digital slr camera. This is one step in the right direction. But  
only

the display is affected: the output is left unmodified.
There's also things going into that direction. There are two enhanced
TIFF plug-ins that work with color profiles and we will look to get
this functionality included in the GIMP distribution.
For the more long-term future, support for other colorspaces than RGB
and for more color-depth than 8bit/channel is planned and is actually
already being worked on.
Sven

That is good news.
- As my camera support 12bits depth there will be more dynamic range to  
do the post-processing (together with dcraw from Dave Coffin).
- When I ask for prints to colormailer pro service they ask to have the  
colour space embedded in the file otherwise the pictures are  
interpreted by the lab and there is some colour shift.

--
Regards
- Jean-Luc

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Re : [Gimp-user] menu font

2004-03-23 Thread Jean-Luc Coulon (f5ibh)
Le 23.03.2004 18:52, peter kupec a écrit :
Hi,

I use gimp2.0pre3 with debian/sid; the menu-font is too small but I
cannot
find any knob to enlarge it.
Can I get any hint?
Thanks
Peter
Peter,

Maybe you have choosen the small theme in Preferences - Interface ?

--
Regards
- Jean-Luc

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Re : [Gimp-user] Re: Gimp and prepress functions

2004-03-23 Thread Jean-Luc Coulon (f5ibh)
Hi,

Colormanagement is something needed if you want to process digital  
photography. You need along the whole process to know in which colour  
space you are working and to work with calibrated devices. Without a  
proper colormanagement, your photos on the screen will never have the  
same colours you see when you get them, and the prints you will get  
(with your inkjet printer, a minilab or any process) will never have  
the same colours you have seen (and adjusted) with the picture  
processing tool.

You can read some basics about colormanagement in the following paper:

http://www.adobe.com/support/techdocs/c9fe.htm

--
Regards
- Jean-Luc
Le 23.03.2004 20:26, Carol Spears a écrit :
On Tue, Mar 23, 2004 at 01:36:49PM -0500, John Culleton wrote:
I recognize that Gimp is web-centric, and that enhanced
prepress capabilities are somewhere in the future. However
some of us do use Gimp for images ending up on the printed
page. And critics of Gimp and Open Source software in
general jump on prepress issues as a point of criticism.
In addition to CMYK the issue of ICC color profiles has been
raised.  Photoshop offers several profiles for e.g., coated
paper, uncoated paper and so on. It is clumsy to develop in
Gimp, and then transfer to Photoshop just for profiling.
What are the prospects of doing something in this area? Is
any of it on the agenda?
i am not certain what all color profiling needs.  i have been  
following
lcms mail list and still do not understand it.

i have been able to use gimp and templates to make web pages and i  
have
planned to make LaTeX pages, however my time seems to be almost up.

carol.gimp.org is down right now -- for whatever reason, but i put a
screenshot of a color dialog that has appeared in the new gimp.  i am
not certain if it meets your needs, but i would be curious to know how
it fails to.
http://www.gimp.org/~carol/files/colorselector.png

the way to get this dialog in your gimp would be via the dialogs menu;
it is called Colors.  as you can see from my screenshot, it is
dockable.
truthfully, if you can print an html template you can easily print a
LaTeX document.  if you would be interested in seeing my scripts
(python) send me a note and i will provide them for you.
carol

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Re : [Gimp-user] Gimp and prepress functions

2004-03-23 Thread Jean-Luc Coulon (f5ibh)
Le 24.03.2004 01:59, Sven Neumann a écrit :
Hi,

John Culleton [EMAIL PROTECTED] writes:

In addition to CMYK the issue of ICC color profiles has been
raised.  Photoshop offers several profiles for e.g., coated
paper, uncoated paper and so on. It is clumsy to develop in
Gimp, and then transfer to Photoshop just for profiling.
What are the prospects of doing something in this area? Is
any of it on the agenda?
GIMP 2.0 comes with a color proof display filter that uses ICC color
profiles to simulate a proof on your monitor. Support for such filters
is new in 2.0 and for the future it is planned to integrate display
filter modules better into the workflow.
I've used the colour proof display filter with profiles I built with an  
eye one spectrophotometer from GretagMacbeth. This allows be at least  
to have the right colours on the screen while the photos I get from my  
digital slr camera. This is one step in the right direction. But only  
the display is affected: the output is left unmodified.

There is also the need (with digital photography in mind and this is a  
growing usage of tools like The Gimp) to work in a given colour space  
(i.e. sRGB or Adobe RBG 1998) and the used colour space should be  
included in the final picture ready to prints: most of the labs need  
this information so that you get the picture unmodified. Without the  
colour space information, most of the time, the colours are shifted and  
your work is ruined.

Sven


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[Gimp-user] Menus *over* the picture

2004-03-22 Thread Jean-Luc Coulon (f5ibh)
Hi,

I build almost everyday the cvs for gimp-2.0.

Sometimes ago, I've remarked that the menus were always on top.  
Moving the picture I was working on was moving it *under* the opened  
menus.

Sometimes later, I remarked (I was happy of that) that the focus raised  
the picture.

I've just compiled the 20040322 version on the cvs and I remarked that  
this feature is here again.

So I have several questions:
- Is it a feature or is it a bug (generally the question is the  
opposite, I think)  ;-) ?
- If it is a feature (some exchanges I have had in the past seems that  
it *was* a feature, I hopped this feature was dropped...) is there a  
mean to disable it ? I've been fooling in the preferences menu and I've  
not found where it is hidden.

--
Regards
- Jean-Luc


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Re : [Gimp-user] Menus *over* the picture

2004-03-22 Thread Jean-Luc Coulon (f5ibh)
Le 22.03.2004 22:48, Sven Neumann a écrit :
Hi,

Bryce Benton [EMAIL PROTECTED] writes:

I wonder if this person is voicing a issue that I also have. When I
am
working on an image and I want to modify the hue/saturation, the
first
thing I always do is move the dialog box so that it is not covering
the image. Perhaps it would be an improvement if there were a way  
for
the GIMP to remember the location of the last dialog box and then
open
subsequent dialog boxes there. That way, I'd only have to move the
dialog box the first time.
It does that already. Unfortunately a lot of window managers decided
to completely ignore this setting and center the dialog instead. We
have since removed the transient relationship from the tool dialog to
the image window and this problem is gone.
Sven
It is not what I complain against.

When I say menu, I mean the main dialog window and all the other  
dialog boxes/windows opened.

It is right for the popup.

But if I've i.e. a layer window opened and I move the picture I'm  
working on, it is not moving *over* this dialog but *under* it.

It was not the behaviour 2 dyas ago.

--
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- Jean-Luc

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Re : Re : [Gimp-user] Menus *over* the picture

2004-03-22 Thread Jean-Luc Coulon (f5ibh)
Le 22.03.2004 23:12, Simon Budig a écrit :
Jean-Luc Coulon (f5ibh) ([EMAIL PROTECTED]) wrote:
When I say menu, I mean the main dialog window and all the other
dialog boxes/windows opened.
It is right for the popup.

But if I've i.e. a layer window opened and I move the picture I'm
working on, it is not moving *over* this dialog but *under* it.
It was not the behaviour 2 dyas ago.
Please test the setting of Window Type Hints under the Window
Management page in the preferences. Depending on the window manager
you use it might be more useful to choose the Normal Window hint
for the Toolbox and the Docks.
Hope this helps,
   Simon
Simon,

Fine! Many thanks!
It should be set to normal windows instead of utility window. At  
least with my system: gnome/metacity.

Thanks again

--
- Jean-Luc

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[Gimp-user] Re :[Gimp-developer] Get ready for 2.0.0

2004-03-22 Thread Jean-Luc Coulon (f5ibh)
Le 22.03.2004 19:00, Henrik Brix Andersen a écrit :
Hi,

On Mon, 2004-03-22 at 18:30, Sven Neumann wrote:
If you cannot join one of these parties, why don't you organize your
own and Bring out The GIMP with some friends? Please add your party
to
the list at http://wiki.gimp.org/gimp/ReleaseParty.
It would be nice if more people would add the adresses of the
computer/photo magazines of their respective countries to
http://wiki.gimp.org/gimp/MagazineAddresses as well.
These lists will be used when we send out the press release for GIMP
2.0.
Sincerely,
Brix
--
You can add some French Photo magazines, each of them has papers on  
digital photography:

Chasseur d'Images:
--
web: http://www.photim.com
email: [EMAIL PROTECTED]

Chasseur d'Images
La Petite Motte
86100 - Senilé
PhotoFan (same company as Chasseur d'Images):
---
email: [EMAIL PROTECTED]
Editions Jibena
BP 100
86101 - Châtellerault Cedex
Réponses Photo:
---
Réponses Photo
41-43 rue du Colonel Pierre Avia
75754 Paris Cedex 15
Le Photographe (same company as Réponses Photos):
---
email: bernard.perrine0emapfrance.com
Le Photographe
43 rue du Colonel Pierre Avia
75745 Paris Cedex 15
---
Regards
- Jean-Luc




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Fwd : Re : [Gimp-user[jean-luc.coulon@wanadoo.fr]

2004-03-20 Thread Jean-Luc Coulon (f5ibh)
Le 20.03.2004 17:04, Jean-Luc Coulon (f5ibh) a écrit :
Le 19.03.2004 21:36, Sven Neumann a écrit :
Hi,

Jean-Luc Coulon (f5ibh) [EMAIL PROTECTED] writes:

When I display the histogram with gimp-2.0-pre, I got about nothing
for many pictures when in linear mode.
For these pictures, you will want to use logarithmic mode. Linear
works very well for photographic images but can be pretty much  
useless
for other images. But then, the histogram tool is mainly used with
photographic images, so it makes sense to have linear scale as the
default.
These are pictures from a digital SLR camera. I'm using the histogram  
together with the levels and curves colour-tools.

Ok, I will use the log scale. I have just notice it looks far different  
from the one in 1.2.

--
- Jean-Luc


Sven


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Re : [Gimp-user] xsane Gimp 2.0pre1

2004-02-20 Thread Jean-Luc Coulon (f5ibh)
Le 20.02.2004 15:04, John Culleton a écrit :
On Friday 16 January 2004 02:34 pm, Sven Neumann wrote:
Hi,

Kristian Niemi [EMAIL PROTECTED] writes:
 Xsane doesn't appear to work with the devel. release of
 Gimp?  I got it to work after about putting about ten
minutes
into it. The XSane maintainer promised to update the
package for gimp-2.0.
Sven
1. What release of Xsane did you use?
2. Can you describe briefly the ten minutes of work?
--
John Culleton
I asked Oliver, the developper of Xsane, to know if there is some plan  
to port the xsane plugin to gimp-2.0.

He replied me that threre is a patch created by other people. He said  
he has not tested it but nevertheless he sent it to me. This patch  
applied to xsane-0.92.

So it seems that there is nothing official yet.

I don't know who write the patch, here is the first line of this  
patch :
--- /home/julien/debian/pkg-build/SANE/xsane/GIMP/xsane-0.92/acinclude. 
m4

--
Regards
- Jean-Luc

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Re : [Gimp-user] color and grey-scale.

2004-02-15 Thread Jean-Luc Coulon (f5ibh)
Le 15.02.2004 17:52, Adam Gautier a écrit :
I have a newbie question; so please be forgiving with
my terminology.  I want to take a color image and make
it one color.  Basically, any color red, yellow, ...
would be made say, blue.  Any transparent or white
pixels are transparent.  I tried converting to
grey-scale as a first step.  Now, I don't know how to
get the blue color into the image.  I tried selecting
sections by color and replacing but that looked
horible.  Is it possible to not just end up with a
matte, all blue image, when I am done. It would be
great if when converting to one color the different
colors were preserved (red converts to blue and yellow
gets converted to a lighter blue).  I hope this makes
sense.
I am looking for a script ore something that could
automate this process.  Any suggedtions would be
great.  Again, I am a newbie so please make any
responses easy to follow.
Thank-you in advance.

Maybe you can have a try to :
right clic - Tools - Color TOols - Colorize
And there you can choose the hue / saturation / brightness
--
Regards
- Jean-Luc

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Re : [Gimp-user] Digital cameras RAW images

2004-01-19 Thread Jean-Luc Coulon (f5ibh)
Le 19.01.2004 14:32, Dave Neary a écrit :
Hi,

Alexander Rabtchevich wrote:
Can GIMP handle raw images from digital camera (without downsizing  
to 8 bits per channel) as Photoshop can?
No. For the moment, the GIMP is limited to 8 bits per channel.

Dave.

Hi,

Does « for the moment » means there are some plan to change this in rhe  
(near) future ?  ;-)

--
Regards
- Jean-Luc

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[Gimp-user] How to export only one channel in grey levels ?

2004-01-11 Thread Jean-Luc Coulon (f5ibh)
Hi,

I've shooted some infra-red pictures with my digital camera.
I would like to isolate the red channel and transform it to a black and white  
picture, discarding the green and blue channels.

How to do that ?

If I select only the red and change the mode to grey levels, I get only a  
transparent picture.

--
Regards
- Jean-Luc

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Re : [Gimp-user] How to export only one channel in grey levels ?

2004-01-11 Thread Jean-Luc Coulon (f5ibh)
Le 11.01.2004 19:16, David Neary a écrit :
Hi,

Jean-Luc Coulon (f5ibh) wrote:
I've shooted some infra-red pictures with my digital camera.
I would like to isolate the red channel and transform it to a black and
white  picture, discarding the green and blue channels.
How to do that ?
You should decompose the image. This is not the only way to do
it, but it's certainly the easiest. The Decompose filter was
moved in the 1.3 tree to Image/Filters/Colors/Decompose. Select
RGB from the choices offered, and you will get 3 greyscale
images, one for each channel.
Cheers,
Dave.
Worked fine, thanks.

--
- Jean-luc

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Re : [Gimp-user] Reducing file size

2003-12-17 Thread Jean-Luc Coulon (f5ibh)
If you use save as and set the extension to jpg, it will ask you  
for the quality level of the saved jpeg file. You can click the  
preview check-box to see what you are doing. Just near this box you  
can see the size of the generated file. Change the quality with the  
ruler until the size is near what you want. (the size update is not  
really real time but this is not a problem).

--
Regards
- Jean-Luc
Le 17.12.2003 15:05, cbnrm.biz a écrit :
|I have a jpg file, a photo, that I need to reduce from 152 K to max.
|30 K before I can upload it to a web site. I was advised to do this
|with GIMP. However, as a complete novice I can't figure out how to  
do
|it. Can somebody pls give me some pointers?
|
|regards, Lars
|


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