Re: [Gimp-user] GIMP's equivalent of adjustment Layer in PS?

2007-01-12 Thread Shawn Willden
On Thursday 11 January 2007 13:46, Steve Thompson wrote:
 I guess that about says it all, right?  We listen to our users, but
 adjustment layers is a pointless discussion.

You're not listening.

It's pointless because adjustment layer support is already in the roadmap.

Need heard.  Need understood.  Approach to resolving need defined.  Work 
toward that end in progress.

What more do you want?  You want Sven and company to drop everything else 
they're doing in order to implement adjustment layers RIGHT NOW, integrating 
this new feature into an architecture that will be immediately abandoned and 
replaced as soon as 2.4 is out the door?

Doing what you seem to want will:

1.  Delay 2.4
2.  Delay the next, GEGL-based version which will...
3.  Delay  8bpc support
4.  Delay CMYK support
5.  Delay a whole raft of other desireable features

All so that you can have adjustment layers just a bit sooner -- maybe.  
Depending on the complexity of implementing adjustment layers in the current 
engine, it's entirely possible that you'll get your feature *LATER* than if 
you wait for the GEGL-based version!!!

Sheesh.  Even as a corporate developer, I'd get pissed off at a manager who 
tried to push that kind of stupid decision on me.  Why would anyone be 
surprised that VOLUNTEER developers would get annoyed at similar pressure 
from people that have no authority over them, and are unwilling to help out?

/rant

Shawn.
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Re: [Gimp-user] GIMP's equivalent of adjustment Layer in PS?

2007-01-09 Thread Shawn Willden
On Monday 08 January 2007 23:10, Steven Woody wrote:
 in Photoshop, there is a tool 'adjustment layer', what's the
 equivalent in Gimp? thanks.

GIMP doesn't have any equivalent.  I believe it's in the plan for future 
releases.  I know the new graphics engine will make adjustment layers very 
simple to implement, so I wouldn't expect to see them implemented before the 
new engine goes in, and I would expect them to be implemented very soon 
after.

For now, you just have to make the adjustments directly on your image layer.   
I usually copy the image layer before applying an adjustment to it, in case I 
decide to remove the adjustment.

Shawn
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[Gimp-user] Suggestions for RAW workflows

2006-05-25 Thread Shawn Willden
Hi,

This isn't strictly a GIMP question (although the GIMP may well be a component 
of the solution), but it seems likely that some of the people here will have 
some good ideas.

I'm experimenting with various approaches to turning my RAW images into 
high-quality TIFF or JPEG files for printing and/or on-screen viewing, and 
I'm looking for suggestions from others who are doing the same thing on 
Linux.

So far, I've found that using GIMP and the ufraw plugin, I can get conversions 
that are fairly nice in most respects.  Manipulating the exposure and the 
curves in the ufraw dialog even allows me to take advantage of the greater 
contrast that the RAW format captures, compressing or stretching the dynamic 
range prior to converting to 8-bit color depths so that highlights aren't 
blown out and details aren't lost.

There are a couple of problems, though.

First, the ufraw plugin, and the dcraw program, seem to fall down in one 
respect:  my converted images are often much noisier than the JPEGs produced 
by the in-camera processing.  I shoot in RAW+JPEG so I have both, and in some 
cases I've been able to get a better final image out of the JPEG than the 
RAW, simply because of the noise issue.

I have found that the GIMP 'selective gaussian blur' can be used to get rid of 
much of the noise, but it has to be used very carefully to avoid losing too 
much detail or distorting portions of the image.  I'd like to find a 
less 'fiddly' solutuion.

The second problem is that I'd like to print some of my images in relatively 
large sizes (11x14 or so), and it seems to me that if I want the best quality 
possible, it's not a good idea to convert to 8-bit color.  Of course, that 
rules out using the GIMP to clean up noisy areas, since it doesn't yet 
support higher bit depths.  Cinepaint doesn't have the selective gaussian 
blur filter, nor does ImageMagick.

So, are there any other RAW photographers who use Linux or *BSD and want to 
share their photo processing workflow?

Thanks,

Shawn.
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Re: [Gimp-user] Save For Web Option?

2006-04-06 Thread Shawn Willden
On Wednesday 05 April 2006 01:03, Mark Sargent wrote:
 am a rather experienced Linux user for the past 2yrs or so, but, not
 much with Gimp. I used to use Fireworks/Photoshop on Windows some time
 back, and am wondering where within Gimp I can just save as for web, and
 it allows me to resize etc. I can't seem to find that option anywhere in
 the menus. All I see is, save, save as, save a copy, save as template. I
 have a 14.5mb file that I need to get to under 500kb or less. Could
 someone point this non-gui fool in the right direction? Cheers.

Well, if you're a non-gui fool, I'd suggest a non-gui tool.  I'd use 
imagemagick, something like:

convert infile.bmp -resize 500x500 -quality 75 outfile.jpg

ImageMagick uses the file extension on the output to decide what type of image 
compression to use, so it will save as a JPEG.  The -resize option by default 
will not stretch your image so the above will resize your image to be at most 
500 pixels on each side.  Finally the -quality is used by the JPEG compressor 
and takes a number between 0 and 100.  Smaller numbers give you worse images, 
but 75 is a good tradeoff which gives you good image quality and good 
compression.

You can easily play with the numbers to get larger or smaller image sizes.

If you do want to use the GIMP (certainly not a bad choice), you should use 
Image-Scale Image to shrink the resolution down, then Save As and enter a 
file name with a .jpg extension.  The GIMP will then prompt you for a quality 
level and if you click the Show Preview in image window you can see the 
effects of dragging it back and forth, and you can also see the file size 
right undernath the quality slider.

Have fun,

Shawn.
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Re: [Gimp-user] Poor print quality with GIMP on Linux

2004-10-05 Thread Shawn Willden
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On Monday 04 October 2004 10:04 pm, Shawn Willden wrote:
 Scaling is set to 100.0%.

As Sven pointed out in private e-mail, I misstated here.  That's what I get 
from going from memory.  My goal is to avoid scaling (and the quality 
reduction that may occur), so what I've been doing is using the Use Original 
Image Size button and verifying that the Scaling is the right number of 
PPI (in PPI mode, not Percent mode).

I have been seeing the blurriness without scaling up to the full size of the 
page, as would happen if Scaling was really at 100%.

 Shawn.
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Re: [Gimp-user] Poor print quality with GIMP on Linux

2004-10-05 Thread Shawn Willden
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(I hope you don't mind if I post this back to the list, Sven)

On Tuesday 05 October 2004 09:04 am, you wrote:
  I have been seeing the blurriness without scaling up to the full
  size of the page, as would happen if Scaling was really at 100%.

 I have no idea what is causing your problems then. I have been told
 that the gimp-print drivers would create superb printouts. Perhaps you
 should ask your question on the gimp-print mailing-list. They should
 know better. The gimp-print project has it's homepage at
 http://gimp-print.sourceforge.net/.

Well, I didn't post there because I'm not using the gimp-print drivers.  The 
gimp-print drives don't support my printer, so I'm using the hpijs driver 
from HP.  My assumption was that the print dialog and whatever it generates 
to send to the drivers is on the gimp application side, rather than on the 
gimp-print side, which I believe is only drivers.  Is this not correct?

Thanks,

 Shawn.
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Re: [Gimp-user] Poor print quality with GIMP on Linux

2004-10-05 Thread Shawn Willden
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On Tuesday 05 October 2004 11:27 am, Sven Neumann wrote:
 I replied to the list (and to you) so the discussion has been on-list
 all the time...

Apparently my filters are putting your replies in my Inbox, rather than in my 
GIMP folder.  I'll have to look into why that is.  Anyway, sorry for the 
confusion.

 The plug-in that ships with GIMP has been written by the gimp-print
 developers and it uses libgimpprint. So you are using the gimp-print
 drivers. I do not know exactly what the plug-in is doing in case of
 your setup. The gimp-print folks should know better.

Okay, thanks.  I'll take my questions over there.

 Shawn.
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[Gimp-user] Poor print quality with GIMP on Linux

2004-10-04 Thread Shawn Willden
I have an HP Photosmart 7260 printer which prints great photos when I print 
from other Linux applications, particularly KDE apps with kprinter.  To get 
good photos I do have to explicitly set the printing mode in the driver 
settings, but it works well.

It works well in every application *except* the GIMP, that is.  The GIMP 
appears to do some rescaling and adjustment that makes the output look 
noticeably blurry.  I've configured the GIMP to print through kprinter (with 
command kprinter -dPhoto --stdin) so that the kprinter dialog pops up and 
allows me to set the print mode.

What's really annoying about the GIMP not printing nicely is that it makes 
printing photos a multi-step process.  The image viewers I've tried print 
okay, but they assume 72dpi, rather than whatever I really want (usually 
300dpi, but sometimes more or less, depending).

So, my current process is to load the image in the GIMP, use scale image to 
adjust the dpi setting (usually without actually scaling the image) and then 
save the image as a postscript file.  Then I can load the .ps file up in 
kghostview or whatever and it prints very nicely.

Any ideas what I can do to fix this?  I have the GIMP's Image/Output Settings 
set to all the defaults (Image Type: Photograph, Output: Type Color, all the 
parameters on the Adjust Output dialog to 1.000).  I'm careful to ensure 
that I don't have to do any scaling from the print dialog, either... 
Scaling is set to 100.0%.

What else... the printing system is CUPS v1.1.21rc1, the driver for the 
printer is Foomatic v3.0.2 + hpijs v1.6.2 (configured through the KDE 
printing manager) the system is Debian unstable, with a 2.6.8 kernel and the 
GIMP is version 2.0.5.

Thanks for any suggestions,

 Shawn.


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Re: [Gimp-user] Re: frontend to help classify images

2004-05-08 Thread Shawn Willden
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On Saturday 08 May 2004 12:43 pm, Helge Hielscher wrote:
 On Sat, 08 May 2004 14:02:32 -0400, h121 wrote:
   Short:
I'm looking for a front-end tool to help me process
  (qualify and classify / catalog) about 10,000 scanned images.

 You may want to have a look at KimDaBa.
 http://ktown.kde.org/kimdaba
 http://kde-apps.org/content/show.php?content=10065

I second the recommendation.  A little more information:

KimDaBa uses an XML file to store all of the image metadata.  While this 
solution isn't ideal for huge image databases, because it has to load the 
entire metadata database into RAM to get reasonable performance, it will be 
just fine with only 10,000 images (I have about 7,000 images in mine).  Once 
all of the metadata is in XML format, you can write a little code to put it 
in any other format you like.

KimDaBa supports arbitrary classification schemes.  Basically, you define a 
set of categories (you called them dimensions), and the values for each 
category.  The image classification window is customizable, so you can 
arrange the defined categories for convenience.  Though it may not be 
applicable for your application, you can also define groups within a 
category.  Groups contain values or other groups.

After images are categorized, you can drill down pretty much any way you like.  
Selecting one criterion, then another, then another, until you've identified 
the set of images you want, or at least narrowed it down far enough to make a 
manual search reasonable.

KimDaBa will also allow you to mark up images, rotating them, drawing on 
them, etc., but all of the modifications are stored as metadata, without 
modifying the actual image file.  When you display the photo with KimDaBa, 
the markup is visible, the image is rotated, etc.

KimDaBa reads date/time and rotation data from EXIF, if available.

One thing KimDaBa does not do (AFAIK) well is provide convenient ways to zoom 
in.  Also, it's a bit slow to display each image.  I think this is because it 
just uses the KDE image code to decompress and display images, and it isn't 
terribly fast.  In a KDE photo manipulation tool I wrote, I had to resort to 
trading off some RAM to cache the last few and the next few images.  I think 
JPEG decoding time was the biggest part of the problem, but frankly didn't 
look into it that much after I found an acceptable solution.

Also, it sound like you might need something more flexible than KimDaBa's HTML 
generation for the final image database.

One other plus, the primary author, Jasper Pedersen, is generally quite 
responsive, so if you can make a case that some need of yours is likely to be 
shared by others, he's likely to add your requested feature, and quickly.  
The code is reasonably clean also, so if you're a C++ programmer you can 
always look into adding whatever bits you need yourself.

Shawn.
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Re: [Gimp-user] How to treat several pictures at once?

2004-02-04 Thread Shawn Willden
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On Wednesday 04 February 2004 12:05 pm, Dirk Völlger wrote:
 Hi there,
 
 I am a new gimp user as well as a new list member. I have got the
 following 
 question: I took a series of pictures (measures) and I have
 to normalize and equalize them to see any result. Is there any perl
 skript or smth. else that does this step with all the pictures I have
 because it is impossible to treat ~ 50 pictures seperately (no time ...)
 I have never used perl, so I also do not know how to use it with gimp.
 
 Any help, tutorial or hint would be cool because it is quite urgent.

Assuming it can do the job (and it can do a lot of jobs), your best option 
is probably not the GIMP, but rather ImageMagick, which provides set of 
command line tools for doing all sorts of image operations.
 
You mentioned normalizing and equalizing.  To do that with ImageMagick, you 
would just run, e.g.:

mogrify -normalize -equalize *.JPG

Done!

If you find that ImageMagick won't do it, then you should look into 
scripting the GIMP.  I recommend writing your scripts in Python, but it 
really depends on what you're most comfortable with -- or most interested 
in learning.

Shawn.
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[Gimp-user] Channel Mixer for 1.3?

2003-11-20 Thread Shawn Willden
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Has anyone ported the plugin?  Or is there similar functionality elsewhere?

Thanks,

Shawn.
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Re: [Gimp-user] RGB to BGR script works, but how to run auto levels?

2003-09-01 Thread Shawn Willden
On Sat August 30 2003 12:06 pm, Walter Francis wrote:

 I also run auto levels on the images when I'm done, but so far it looks
 like this is not possible from Script-fu.  Any updates on there?

I submitted a bug report (http://bugzilla.gnome.org/show_bug.cgi?id=119233) 
and a patch to add a PDB entry for auto levels.  If you don't mind applying 
the patch and building the GIMP yourself, you should be able to get auto 
levels to work from your script.  The patch is at:

http://bugzilla.gnome.org/showattachment.cgi?attach_id=19053

Apply the patch to tools/pdbgen/pdb/color.pdb, then do the typical configure, 
make, make install process, taking care to add the --with-pdbgen option to 
the configure command line so the PDB code will be updated.

If you're not comfortable with patching and building, you'll probably have to 
wait until the patch gets applied by the developers.  If you use Debian, drop 
me a line and I'll send you patched versions of the Sid .deb files.

Shawn.
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