[Gimp-user] Re: How to find out path length?

2006-09-27 Thread Paolo Herms
On Monday, 25. September 2006 04:41, saulgoode wrote:
 If you are using Script-fu and your script is for versions 2.2.x of the
 GIMP then the following function will return the length of a given path.
  It will work with version 2.3 but will generate some deprecation
 warnings (and 2.3 provides better methods).

 ;; 'sflib-path-get-length' returns the length of the specified path
 ;; [...]

Works great, thanks.
-- 
Paolo Herms
Paris/France
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[Gimp-user] Help for total beginner

2006-09-27 Thread Lia



Hi anyone who can help me. I have just bought 
a new computer so that I can work with some family photos. Installed Gimp 
and am working through the tutorials and experimenting to learn how it works. 
Huge challenge!!

Does anyone know how to adapt colours. I'm 
not sure of the technical term, but I have a few subjects with quite red noses 
and other parts of the face and would love to know how to even out the skin 
tone. I know it is doable as I saw a photo that had had this done 
once. I just have no idea of how and have looked to no avail.

If anyone has any suggestions in very simple 
terminology as I am an extreme beginner. I would love to hear from 
you.

Thanks.
Lia
New Zealand
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RE: [Gimp-user] Help for total beginner

2006-09-27 Thread Jon Crowe

Does anyone know how to adapt colours.  I'm not sure of the technical term,
but I have a few subjects with quite red noses and other parts of the face
and would love to know how to even out the skin tone.  I know it is doable
as I saw a photo that had had this done once.  I just have no idea of how
and have looked to no avail.

Thanks.
Lia
New Zealand


I think this might be what you are looking for:

http://www.gimpguru.org/Tutorials/CosmeticRetouch/


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Vb: Re: Ang: Re: [Gimp-user] Base type of a wmf image

2006-09-27 Thread Magnus Hellström
Well, I'm not using GIMP only to detect file formats, but to perform 
image transformations such as midtone adjustment and unsharp mask, 
where I believe and hope GIMP is an appropriate tool to use. I want 
however script-fu to do the whole job, and that includes detecting 
image types such as rgb and grayscale for a vast set of image formats.

If anyone knows has alternative way of doing this in GIMP, let me 
know.

Thanks anyway.

Cheers

Ursprungligt meddelande
Från: [EMAIL PROTECTED]
Datum: 2006/09/26 10:30
Till: Magnus =?ISO-8859-1?Q?Hellstr=F6m?=[EMAIL PROTECTED]
Kopia: gimp-user@lists.XCF.Berkeley.EDU
Ärende: Re: Ang: Re: [Gimp-user] Base type of a wmf image

Hi,

On Tue, 2006-09-26 at 10:20 +0200, Magnus Hellström wrote:
 So this behaviour of the wmf file loader can be considered as a bug?

No, it counts as a missing feature perhaps.

 Is it something that will be taken care of in future releases?

Unlikely, unless somone provides a patch. The WMF loader plug-in is 
very
simple. It uses libwmf to load the file and as far as I can see, the
libwmf library always returns an RGBA buffer. So you might even have 
to
change the library first.

 I'm stuck to Gimp, so ImageMagick is not an alternative.

Frankly speaking, GIMP seems like the wrong tool for the job. It was 
not
designed to detect file formats.


Sven







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[Gimp-user] Re: How damaged photos my camera takes?

2006-09-27 Thread Juhana Sadeharju
From: Mogens Jaeger [EMAIL PROTECTED]

ftp://ftp.funet.fi/pub/pics/freephotos/juhana/withstand/IMG_3922.JPG
ftp://ftp.funet.fi/pub/pics/freephotos/juhana/withstand/IMG_3923.JPG
 
As I see your pictures, your problem is not a question on how to use 
Gimp, but how to use your camera.
[ ... ]
What preciesly is it, you can't find out, and wants help for?

Here I merely asked help in analyzing the problem. And if the
problem can be fixed in post processing. Is the white sky
overexposed or is the white point at white instead of blue?
Why the trees in 3923 looks pale? Is it because of some kind of
overcurving (similar to gamma correction)? They are GIMP related
questions.

I asked later in gphoto-user about the camera issues. And plan to
ask in rec.photo.* newsgroups if the issue is not clear enough
after all this.

Some weeks ago I had a LEGO photo with default white point, and
another photo with teached white point. I tried to come up with
formula which makes the change of the white point, but for some
reason I failed. So, reverse engineering the camera behaviour by
matching the photos 3922 and 3923 may be too difficult problem
for me.

Juhana
-- 
  http://music.columbia.edu/mailman/listinfo/linux-graphics-dev
  for developers of open source graphics software
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Re: [Gimp-user] Color Printing

2006-09-27 Thread John R. Culleton
On Sunday 24 September 2006 10:46, Rob Ogle wrote:
 I'm trying to get a wedding chapel to move away from Photoshop and start
 using the Gimp. They are almost on board except for a printing issue. If we
 print a photo from Photoshop to an Epson Stylus 2200 the photo looks great.
 But when we print from the Gimp, the colors are wrong. I don't know
 enough graphics terms to describe it. The picture has a greenish and/or
 faded quality to it.

 We're running Gimp for Windows on a new XP Pro box w/ a P4 cpu, 1GB RAM and
 a 200GB drive.

 Any suggestions?

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Photoshop and the free programs TeX, Scribus, Inkscape, Krita
etc. can work in the CMYK color model. Gimp only works in RGB.
CMYK has a more limited range of colors than RGB. Printers, both
desktop and four color commercial work in CMYK.  

This is the major hangup with using Gimp as a Photoshop
replacement. Apparently adding the additional color model would be
a huge undertaking. 
-- 
John Culleton
Able Indexing and Typesetting
Precision typesetting (tm) at reasonable cost.
Satisfaction guaranteed. 
http://wexfordpress.com


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Re: [Gimp-user] Color Printing

2006-09-27 Thread Øyvind Kolås

On 9/27/06, John R. Culleton [EMAIL PROTECTED] wrote:

Photoshop and the free programs TeX, Scribus, Inkscape, Krita
etc. can work in the CMYK color model. Gimp only works in RGB.
CMYK has a more limited range of colors than RGB. Printers, both --
desktop and four color commercial work in CMYK.

This is the major hangup with using Gimp as a Photoshop
replacement. Apparently adding the additional color model would be
a huge undertaking.


Color management support is improved in the latest development
versions of GIMP, this is not the same as editing in CMYK mode, but it
should be the thing more than 90% of the people asking for CMYK needs,
even though they think it is not.

It is sufficient to do the conversion to CMYK when exporting from GIMP
to file/the printer to achieve correct colors if you have a color
correction profile for your display as well as your printer. This is a
separate issue from being able to work with the image in CMYK mode.
Manipulating a photograph in CMYK mode is in most cases mostly
pointless since the source of the data is the RGB model and the human
visual system operates in RGB as well. The separation needed for CMYK
varies between printers whilst sRGB is a standard color space for
image exchange.

/Øyvind K.

--
«The future is already here. It's just not very evenly distributed»
-- William Gibson
http://pippin.gimp.org/http://ffii.org/
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[Gimp-user] Time Lapse

2006-09-27 Thread Krishna Kumar

hi,

Has anyone tried to stitch time-lapsed photos using gimp? I am
planning such a project and wondering how if gimp can animate a set
photos into a .mov or .avi

regards,
KK
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Re: [Gimp-user] Time Lapse

2006-09-27 Thread Carol Spears
On Thu, Sep 28, 2006 at 09:25:31AM +0530, Krishna Kumar wrote:
 
 Has anyone tried to stitch time-lapsed photos using gimp? I am
 planning such a project and wondering how if gimp can animate a set
 photos into a .mov or .avi
 
the gimp animation plug-in (GAP) can do this.

if you can get it installed, you should be able to make it work.

the default setting for the master encoder (to save in video format) is
avi, but the avi i made with the default was not viewable on windows.

i am not certain what you mean by 'stitch time-lapsed photos' though.

using GAP was a challenge for me.  hof wrote a tutorial that helped to
get me started.  it is here:
http://carol.gimp.org/gimp2/animation/gap/move_path/

carol

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