Re: [Gimp-user] 16-Bit images to 8 bit images

[Simon Budig]

Patrick Shanahan (ptilopt...@gmail.com) wrote:
> * Enrique Betancourt  [11-30-16 17:07]:
> > Hello my name is Enrique, I am student from the Masters Degree Program in
> > Medical Physics of the National Politechnic Institute in Mexico City.
> > 
> > I work with lots of medical images, creating algorithms to perform
> > authomatic segmetation of organs. Actually i'm working with liver
> > segmetation on children. I use Gimp to normalize my images but since they
> > are on 16-bit Gimp authomaticaly convert them in 8-Bit, but as expected i
> > loose data on that step.
> > 
> > Can you help me to understand how does Gimp perform this conversion? It
> > will help me a lot :D.
> 
> currently published gimp is 8-bit, not 16 and does not operate/save except
> 8-bit.  I believe unstable 2.9+ (or 2.10) does 16-bit.

It does. And 32bit. And 16/32/64 bit float. And linear light as well as
perceptual light.

Bye,
Simon
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Re: [Gimp-user] 16-Bit images to 8 bit images

[Patrick Shanahan]

* Enrique Betancourt  [11-30-16 17:07]:
> Hello my name is Enrique, I am student from the Masters Degree Program in
> Medical Physics of the National Politechnic Institute in Mexico City.
> 
> I work with lots of medical images, creating algorithms to perform
> authomatic segmetation of organs. Actually i'm working with liver
> segmetation on children. I use Gimp to normalize my images but since they
> are on 16-bit Gimp authomaticaly convert them in 8-Bit, but as expected i
> loose data on that step.
> 
> Can you help me to understand how does Gimp perform this conversion? It
> will help me a lot :D.

currently published gimp is 8-bit, not 16 and does not operate/save except
8-bit.  I believe unstable 2.9+ (or 2.10) does 16-bit.

-- 
(paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
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[Gimp-user] plug-in-metadata-decode-exif

[rich2005]

>Hi,
>
>for loading a raw image into Gimp, I'd like to use the nufraw plugin  
>which allows for 16 bit color depth import.
>When running this plugin I get an error message
>
>Calling error for procedure 'plug-in-metadata-decode-exif':
>Procedure 'plug-in-metadata-decode-exif' not found.
>
>Does anybody know what to do about this?
>
>Many thanks for hint,
>Helmut

This in Kubuntu 16.04

Can not help with that message, maybe the way the gimp plugin is compiled.

I can get that error message using the nufraw-gimp plugin from the ubuntu ppa
'myway' Even with the error message, it works though but only 8 bit into Gimp
2.8.18 or Gimp 2.9.5.

For 16 bit straight into Gimp 2.9.5 then I had to compile the plugin (latest
0.38) with the Gimp 2.9 packages.

Works fine, a nice alternative to the other, IMHO over complicated options. 

rich: www.gimp-forum.net

Attachments:
* http://www.gimpusers.com/system/attachments/347/original/nuFRaw.jpg

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[Gimp-user] GIMP not remembering Fonts

[MAD_King]

Hello,

when I create a text and use a font, save the file, close and re-open it, it
does not remember the font which was used. It always shows either "Sans"  or no
font.


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[Gimp-user] Resyntheszer

[rich2005]

snipped all the repeated quotes

Apart from the actual resynthesizer plugin.

If you are are single-user. The place for your plugins is in your gimp profile
~/.gimp-2.8/plug-ins

It might be traditional, but compiling a plugin is not for everyone. Lots of
never-to-be-used-again dev packages cluttering the system up. Old code that
throws up errors due to compiler syntax changes.

Some linux distros do have a single packages for some plugins. Debian has a
monster, gimp-plugin-registry_amd64.deb - 24 plugins/164 scripts.

What to do with that. One way is install it, copy the required files from
/usr/lib/gimp/2.0/plug-ins/ to your gimp profile. Then uninstall the package. A
better way is download the deb and unpack it, to get the files. Arc will unpack
a .deb

A final way is ask someone for the files. 

http://www.mediafire.com/file/erydszotjxttk57/resynth-buntu-64bit.zip

Did this for someone a few months back, contains just 3 files, resynthesizer
resynthesizer-gui plugin-heal-selection.py

rich: www.gimp-forum.net

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[Gimp-user] gimp plugins

[rich2005]

>hi all - newbie here
>
>Using Gimp in opensuse 42.1.  I would like to install batch image
>manipulation programme BIMP.  I can only find the vesion for windows. 
>Please advise where I can download the linux version
>
>many thanks

Have you tried

https://software.opensuse.org/package/gimp-plugin-bimp?search_term=bimp

I do not use OpenSuse, so no comments on that.

I do use PClinuxOS, a rpm based distro same as 'Suse and the problem with BIMP
is it uses a outdated Perl package libpcre3 which is AFAIK peculiar to Debian.

So for PClinuxOS, compiled the BIMP plugin in Debian and 'stole' the
libpcre.so.3 file to manually install.

BIMP in my gimp profile, the other in usr/lib...

That works fine here but no guarantees for 'Suse.

rich: www.gimp-forum.net

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[Gimp-user] gimp plugins

[JohnHaley]

hi all - newbie here

Using Gimp in opensuse 42.1.  I would like to install batch image manipulation
programme BIMP.  I can only find the vesion for windows.  Please advise where I
can download the linux version

many thanks

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[Gimp-user] Brushes

[eingram25]

Does anyone know of a source for brushes? I specifically need various animal
hair and fur brushes. Example: I would like a set of brushes to simulate a baby
raccoon's hair.

Attachments:
* http://www.gimpusers.com/system/attachments/346/original/Racoon_baby.JPG

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[Gimp-user] 16-Bit images to 8 bit images

[Enrique Betancourt]

Hello my name is Enrique, I am student from the Masters Degree Program in
Medical Physics of the National Politechnic Institute in Mexico City.

I work with lots of medical images, creating algorithms to perform
authomatic segmetation of organs. Actually i'm working with liver
segmetation on children. I use Gimp to normalize my images but since they
are on 16-bit Gimp authomaticaly convert them in 8-Bit, but as expected i
loose data on that step.

Can you help me to understand how does Gimp perform this conversion? It
will help me a lot :D.

Thank you so much,

sincerly

Enrique B.
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[Gimp-user] upgrading libpng to => 1.6.25

[Al via gimp-user-list]

 I'm running ubuntu 16.4, 64bit, and im trying to compile the 2.9.x
latest release from github. I want both 2.8 and 2.9 so I'm not using the
ppa from otto which replaces 2.8.

I build 2.9 in a separate dir and did it successfully about 3 months ago
but now
I"ve got a problem.

I've chased the problem down to the requirement for libpng >= 1.6.25
Ubuntu 16.4 uses 1.2.54.

Ive found a package for this libpng-dev_1.6.26-2ubuntu1_amd64.deb and
have it
installed.
The problem is when I #sudo apt-get install libgs-dev or any of the
following
libgdk-pixbuf2.0-dev libgtk2.0-dev librsvg2-dev  libxft-dev

the apt-pkg system reset the libpng-dev to libpng12-dev because that is
a dependency in each of these packages.
If I dont install these packages the make fails looking for
/usr/share/aclocal/gtk-2.0.m4
and I'm sure that is just the first error.

What is the proper way to  upgrade the libpng-dev to 1.6.26 so I can
compile 2.9.x?

Thanks,


Al
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Re: [Gimp-user] plug-in-metadata-decode-exif

[Patrick Shanahan]

* Helmut Jarausch  [11-30-16 11:24]:
> Hi,
> 
> for loading a raw image into Gimp, I'd like to use the nufraw plugin which
> allows for 16 bit color depth import.
> When running this plugin I get an error message
> 
> Calling error for procedure 'plug-in-metadata-decode-exif':
> Procedure 'plug-in-metadata-decode-exif' not found.
> 
> Does anybody know what to do about this?

maybe, appears from what information you gave that the plug-in is not
where gimp expects it to be.  Move the plug-in or tell gimp where to find
it.

-- 
(paka)Patrick Shanahan   Plainfield, Indiana, USA  @ptilopteri
http://en.opensuse.orgopenSUSE Community Memberfacebook/ptilopteri
Photos: http://wahoo.no-ip.org/gallery2  Registered Linux User #207535  
  
Photos: http://wahoo.no-ip.org/piwigo@ http://linuxcounter.net
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Re: [Gimp-user] Question about RGB to CMYK conversion and print work

[Rick Strong]

Hey, another win for the home team, however you did it!

Rick S.

-Original Message- 
From: Tom Williams

Sent: Wednesday, November 30, 2016 10:30 AM
To: gimp-user-list@gnome.org
Subject: Re: [Gimp-user] Question about RGB to CMYK conversion and print 
work


...
Well, the business cards have been printed and they look
fan-flippin-tastic   They actually came out much, much better than I
expected and my friend *loves* them!   Thanks again for the help and
Thanks to the GIMP developers for producing such awesome software!  :)

Peace...

Tom

--
/When we dance, you have a way with me,
Stay with me... Sway with me.../
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[Gimp-user] plug-in-metadata-decode-exif

[Helmut Jarausch]

Hi,

for loading a raw image into Gimp, I'd like to use the nufraw plugin  
which allows for 16 bit color depth import.

When running this plugin I get an error message

Calling error for procedure 'plug-in-metadata-decode-exif':
Procedure 'plug-in-metadata-decode-exif' not found.

Does anybody know what to do about this?

Many thanks for hint,
Helmut
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Re: [Gimp-user] Question about RGB to CMYK conversion and print work

[Tom Williams]

On 11/18/2016 08:27 PM, Tom Williams wrote:
> On 11/16/2016 12:44 AM, Simon Budig wrote:
>> Tom Williams (tomd...@comcast.net) wrote:
>>> I'm helping a friend of mine create a business card for a new business. 
>>> I created the card in GIMP and it looks great!  The plan is to order
>>> cards through VistaPrint.   Anyway, according to the VistaPrint website,
>>> they recommend uploading designs in a CMYK mode.   Since I created my
>>> card in GIMP, it's in RGB mode.
>> I'd recommend to not fiddle with it now. Vistaprint will do their own
>> conversion, which is likely to be better than your conversion, since
>> they do know their own processes.
>>
>> In fact I had lots of "fun" some time ago, where I absolutely sent them
>> a CMYK PDF file and they still fiddled with it, adding a little bit of
>> black to my vibrant yellow, resulting in quite dull colors...
>>
>> Bye,
>> Simon
> Thanks to both you, Simon, and Rick Strong for your comments.  I opted
> to "roll the bones" with the RGB PNG I created, using the VistaPrint
> template, and the site seemed happy with the resolution of the image. 
> The previews on the site looked good so I'm keeping my fingers crossed
> that the image prints well.
>
> Thanks again!
>
> Tom
>
Well, the business cards have been printed and they look
fan-flippin-tastic   They actually came out much, much better than I
expected and my friend *loves* them!   Thanks again for the help and
Thanks to the GIMP developers for producing such awesome software!  :)

Peace...

Tom

-- 
/When we dance, you have a way with me,
Stay with me... Sway with me.../
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