Re: [Gimp-user] Color selectors, which one do you use?

2006-12-06 Thread Steve Stavropoulos
On 12/5/06, Sven Neumann wrote:
>
> This is IMO too much choice for most users

 It's not like they _have_ to make a choise. They can just use the
default as 99% of people do. I too don't like many choises, but 2-3
tabs more or less in a color selector don't bother me at all...


> Now the question is, which color selectors do you actually use? I have
> myself never found the Watercolor selector to be useful.

 Most of the time I use the default, but my mother almost always uses
the watercolor. She is not an advanced user (and she wouldn't find it
if she had to enable it to use it), she is just used to create the
color she wants and when she thinks about a color it feels more
natural to mix 2-3 colors together to make it. At the default color
selector at first she was totally lost...
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Re: [Gimp-user] creating a "line art" channel or layer in GIMP

2006-02-07 Thread Steve Stavropoulos
On 2/6/06, Dave M G wrote:
> However, I'm stuck as to exactly how to create that alpha channel. I
> can create an alpha channel for a layer, but I can neither paste the
> line art image into that alpha channel,

Right click on the layer and select "Add Layer Mask". Select the layer
mask thumbnail beside the layer thumbnail and work with that.


> nor can I seem to invert the
> image so the right parts are transparent and the right parts are opaque.
>

 Select your layer mask (click on the thumb and then select all) and
then go to Layers->Colors->Invert


> Can anyone provide instructions or direct me to a tutorial for this
> sort of thing? I will gladly RTFM if someone can show me where in the FM to R.
>

 Try the tutorials on the gimp.org website.
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Re: [Gimp-user] greek characters

2006-01-23 Thread Steve Stavropoulos
On 1/20/06, Patricia <[EMAIL PROTECTED]> wrote:
>
> Hi, how could I use greek characters in the text option?. I am using gimp2.0
>

 There are two ways. In both ways you have to use a font which has
greek characters in it.
1) Set up the language switcher of your desktop to switch between greek too.
2) Use the gnome character map and copy paste the chars to the gimp
dialog. If you use gnome it is under the accessories menu.
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Re: [Gimp-user] Converting files to Hexachrome

2006-01-07 Thread Steve Stavropoulos
On 1/6/06, John R. Culleton wrote:
> Hexachrome is the six color format used on some high end printing.
> There are programs published by Pantone to convert RGB to
> Hexachrome.
>
> My question: other than the Pantone programs, how can one get to
> Hexachrome format without loss of gamut? Obviously Gimp does not
> produce it natively so I am looking for a post-Gimp convertor.
>

 Take a look at the old manual of gimp:
http://www.linbox.com/ucome.rvt?file=/any/doc_distrib/gimp-1.1.18/manual/manual/GUM/channels.html
 Channels and the relation to spot colors may be of help to you...
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Re: [Gimp-user] Question about scaling digital photos for prints

2005-12-08 Thread Steve Stavropoulos
On 12/8/05, Tom Williams wrote:
> My question:  is there anyway to use Gimp to scale the 640x480 images so
> they look as best as possible (no pixelation if possible) as 4x6
> prints?

 You can look at
http://www.greyc.ensicaen.fr/~dtschump/greycstoration/index.html and
use that program for resizing. An impressive demonstration of the
power of this algorithm can be found at
http://www.greyc.ensicaen.fr/~dtschump/greycstoration/demo.html

btw, is there anyone working on a gimp plugin for this?
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Re: [Gimp-user] Duotones in Gimp?

2005-12-05 Thread Steve Stavropoulos
On 12/5/05, net kat wrote:
> Does the Gimp enable one to create duotones? I searched and search
> and found nothing..

  See the old (1.x) gimp manual in the section about channels which
discusses spot colors, duotones and other nice things...

http://www.linbox.com/ucome.rvt?file=/any/doc_distrib/gimp-1.1.18/manual/manual/GUM/channels.html

(I guess there must also be a gimp.org link for this, but I didn't
find it with a quick search)
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Re: [Gimp-user] Gimp on OS 10.43

2005-12-03 Thread Steve Stavropoulos
On 12/3/05, Warren Baird wrote:
> And I'm not sure I buy the argument that Mac OS X is just slower ---
> like I said, photoshop was about 15 times faster that the Gimp at doing
> an unsharp mask on an 800 mhz g4 on mac os x.
>

 You can not compare the 5sec it takes photoshop to the other numbers,
because photoshop starts doing the operation before you press the ok
button, thus appearing faster...
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Re: [Gimp-user] gimp not respecting locale

2005-11-23 Thread Steve Stavropoulos
On 11/23/05, MIlos Prudek wrote:
> > Maybe LC_ALL is set to a bogus value? Better unset it.
>
> Nope, LC_ALL was never set.
>

 Try running in a terminal: env LC_ALL=en_US gimp
If this shows an english interface then there is no problem with gimp.
You should just check the enviroment you run it under.
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Re: [Gimp-user] file types

2005-11-22 Thread Steve Stavropoulos
On 11/21/05, Cliff Hanley wrote:
> Since I installed Gimp, all my image files on desktop are IDed as Gimp files
> instead of JPG, BMP,TIFF etc. It would be useful to see these IDs before
> clicking on the files. Is there an option for restoring them?
>

 I assume you are on windows and you just want to know the type of the
file before opening it with the gimp. The easy way, is to set the file
manager so it also shows the file extension (ex. 'foo.tif' instead of
'foo'). You can find this in Tools -> Options IIRC (I don't use
windows to offer more specific information).
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Re: [Gimp-user] curve corners

2005-10-15 Thread Steve Stavropoulos
On 10/13/05, Jad Madi wrote:
> Hi,
> how to create curve corners with Gimp like these ones
> http://www.sitepoint.com/examples/roundcorners/box-corners5.htm
>

 Select a rectangle with the dimensions you like and then use
select->rounded rectangle (I think in gimp <= 2.2 is somewhere under
script-fu). You can fill it with the color you like by dragging the
color on the selection (or Edit->Fill with FG color).
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Re: [Gimp-user] Polygon Selection Tool?

2005-09-13 Thread Steve Stavropoulos
2005/9/13, Chris Spencer:
> Does the GIMP have anything like Photoshop's polygon lasso tool? I've
> found this tool extremely useful. It's like the GIMP's free select tool,
> but it allows you to select an arbitrary polygonal selection area by
> clicking out the points the way you would for a path. It's essentially
> the freedom of the free select tool with the precision of the rect
> select tool.
> 

  I see your point. You can easily use paths to do that (click at the
points you want and ctrl-click at the first one to close the path.
Then turn the path into a selection). Nevertheless, I agree that a
polygon selection tool would be nice...
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Re: [Gimp-user] scissors selection tool

2005-07-27 Thread Steve Stavropoulos
On 7/27/05, Rachelle McLean wrote:
> With the selection tool that looks like a pair of scissors, and acts lilke 
> the magnetic lasso tool in Photoshop, I can get it to make a shape but how do 
> you turn the shape with the points into a selection?
> 

 First you have to close the shape. Your last point should be on top
of the first one. Then, you click inside your shape and it turns into
a selection.
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Re: [Gimp-user] Blown out highlights (color)

2005-06-23 Thread Steve Stavropoulos
On Tue, 21 Jun 2005, Richard Nagle wrote:

> is there a way to select ³only² the blown out highlight color area
> or color pixel?, and tone it down some.
> 

 Take a look at the following tutorial: 
http://gimp.org/tutorials/Blown_Out_Highlights/
 You may also like the other tutorials found at http://gimp.org/tutorials/ 
Probably the "Photo editing" category will be of great help to you...

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Re: [Gimp-user] Gimp 2.2.6 on Fedora Core 3 (Re: Gimp-user Digest, Vol 31, Issue 22)

2005-04-17 Thread Steve Stavropoulos
On 4/18/05, Asif Lodhi wrote:
> Thanks for the help, Owen.  I did exactly as you advised and 2.2.6 is
> running on my system now.  However, I am afraid I might get into run-time
> errors.

 If ./configure said it's ok, then it's ok. Don't be afraid. Enjoy
your new gimp :)

  
>  I have not yet tried the "yum update" method recommended by Steve as
> running configure with a different "prefix" did work.

 You should at least run yum update gtk2* to avoid severe speed
problems when opening an image. yum will download the relevant binary
rpms from redhat with all their dependencies and install them. yum
update gimp-* will install the latest redhat update for gimp (2.2.4,
but I guess soon there will be a 2.2.6 there...). With yum you can
keep your system updated and I advise you to do so.


>  Is it safe to carry out a "yum update" exercise from root?  Or, can I also
> do it from a normal user account?
>  

 yum update will install the relevant updates (issued by redhat) for
your machine. It will work only if you are root.
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Re: [Gimp-user] Gimp 2.2.6 on Fedora Core 3

2005-04-16 Thread Steve Stavropoulos
On 4/17/05, Asif Lodhi wrote:
>  I have managed to get Fedora Core 3 installed on my computer through
> nightly downloads in around 26 days.  But the Gimp version is 2.04.

Redhat updated gimp to 2.2 shortly after the release of fedora 3. Your
best chance to get this working is to run yum update gimp* This will
download and install gimp 2.2.4 and any other software needed. (I
_strongly_ suggest to also do a yum update gtk2*)
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Re: [Gimp-user] Feature Request: Open toolbox on right click.

2005-04-13 Thread Steve Stavropoulos
On Wed, 13 Apr 2005, David Marrs wrote:

> It once again occured to me after recently discovering the stroke/fill 
> option that there are many commonly used operations associated with 
> tools that are difficult for users to find. Drawing shapes is a good 
> example of this. GIMP - it has to be said - is not the most intuitive 
> application in the world.
>

 It may not be the most intuitive application in the world (something very
very hard for a professional graphics program), but I think it is easily
intuitable and that is the most importand property of a program for me.
 Other than that, I agree there are many ways the interface could be 
improved and we should try to improve it.

> So, why not associate a toolbox with each tool that can be opened by 
> right clicking in the image window. Currently, right clicking simply 
> opens the menubar, which can be accessed twice already from the image 
> window: it seems like a waste of a mouse button to me. Much better to be 
> able to perform common tasks, such as "path to selection" or "stroke 
> path" instead.
> 
> *Precisely what should go in these toolboxes I'm not sure.*
> 

 Having something like that in the right click I wouldn't think is very 
practical. A previous reply to your post made that very clear. Although, 
as I understand it, you propose that some actions, relevant to the current 
tool, should be put somewhere where people can find them quickly. You have 
my vote on that.
 I propose a small horizontal toolbar (same size with the menubar) which
has some actions depending on the currently selected tool. For example,
when you use any of the selection tools, that bar could have the following
actions: stroke selection, save to channell, shrink and grow. For the
paint tools, that bar could have the brush selection widget. That way, the
user will have shortcuts to the actions he frequently needs and he will
find out the most frequent actions for each tool very quickly. So, gimp
will be both more usable and more intuitive.
 Maybe that bar could even auto hide...


> You could also make it flexible and do what you do already with 
> dialogues, providing a number of presets while allowing users the option 
> to customise the toolkit themselves (a system that works excellently imo).
> 

 Perhaps this could be done, but we should first try really hard and 
provide default shortcuts that will please most of the people.

PS. the more I think about this the more I miss it in gimp...

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Re: [Gimp-user] Automating scaling tasks

2005-04-02 Thread Steve Stavropoulos
On Sat, 2 Apr 2005, Richard C. Steffens wrote:

> Is there a set of instructions for automating the task of scaling images?
> 
> I have a large number of images that I want to scale to three different 
> sizes. 
> 
> each scaled to a different size and leaving them in that directory. To get 
> even fancier, I'd save each size in a sub-directory.
> 

 Take a look at this sample bash script I just wrote for you: (it uses the 
convert program from ImageMagick)

mkdir small
mkdir medium
mkdir large
for i in *jpg; do
convert -resize 150x150 $i small/`basename $i .jpg`-small.jpg;
convert -resize 640x480 $i medium/`basename $i .jpg`-medium.jpg;
convert -resize 1600x1200 $i large/`basename $i .jpg`-large.jpg;
done

 I haven't test it in any way, so be carefull. I hope this 'll get you 
started...

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Re: [Gimp-user] Algebra help w/script

2005-03-06 Thread Steve Stavropoulos
On Mon, 7 Mar 2005, Eric Pierce wrote:

> The level tool's black input slider and the white input slider must
> adjust in relation to the blur radius, and that's where I'm stuck.
> 
> Now I did some manual sampling of different blur radius to see if I
> could find a relation between the blur radius and the black/white slider
> settings.  My results make what looks like a y=1/x^2 type graph, but it
> needs a little tweaking.
> 
> Here's my data.
> Radius  Black White diff (White - Black)
>  0  0   255  255
>  2 70   183  113
>  4 93   160  67
>  6102   151  49
...
>  86   125   128  3
>  88   125   128  3
>  90   125   128  3
> 
> Now if I can just figure out the relationship (i.e., equation) between
> the radius (1st column) and the diff (4th column), that should be all I
> need to determine what the black/white slider settings should be for all
> cases.  My best stab is 'diff=(1/radius^2)*255*radius'.  But this
> produces slightly skewed results.
> 

 As I see it, you have all the data you need. Make an array with your
experimental results and use that. Just do an interpolation where needed
(for the odd blur radius). There is no point in trying to find a
mathematical model for this, if you already know everything you need.

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Re: [Gimp-user] Pre-press considerations (CMYK)

2005-01-27 Thread Steve Stavropoulos
On Fri, 28 Jan 2005, vassilis wrote:

> I understand that GIMP is not press-oriented, thus there is little to
> not at all consideration on working with the CMYK model. Yet I
> desperately need to convert my work to CMYK

 You can take a look at the separate plugin by alastair robinson which can
convert rgb to cmyk (using layers) and then save it. Go here:
 http://www.blackfiveservices.co.uk/separate.shtml
(btw, I found that suse (at least 9.1) has this plugin packaged with the 
name gimp-cmyk)

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Re: [Gimp-user] monitors & good linux photo_viewer_manager

2005-01-22 Thread Steve Stavropoulos
On Fri, 21 Jan 2005, michael crane wrote:

> Gracia M. Littauer wrote:
> > Will need a new 17"/19" monitor soon, I'm afraid. Any recommended? New 
> > slimmer CRT?? Don't want an LCD.
> > 
> > Also a good linux photo manager?...Pixie seems to have bit the dust.
> > 
> I'm using nautilus "view as image collection" but it seems to refuse to 
> "show as image collection" quite often. so I'd like an alternative 
> suggestion too.
> 

 gthump is really good. The best I've seen so far, at least. It also has 
"Open in gimp" menu entries and drag'n'drop works like a charm.

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Re: [Gimp-user] arrow

2005-01-12 Thread Steve Stavropoulos
On Wed, 12 Jan 2005, J.W.J. Geenen wrote:

> export CVSROOT=:pserver:[EMAIL PROTECTED]:/cvs/gfxmuse
> 
> The first line gave this error: tcsh: export: Command not found.

 In tcsh that line should be:
setenv CVSROOT :pserver:[EMAIL PROTECTED]:/cvs/gfxmuse

 (I really have no idea though, about the software you are trying to 
install and its connection to gimp...)

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Re: [Gimp-user] GIMP hints for astrophotography tweaking

2004-12-04 Thread Steve Stavropoulos
On Sat, 4 Dec 2004, Carol Spears wrote:

> > Also could briefly describe how to import multiple images into
> > gimp with the _00X.jpg sequential filenames?
> > 
> i have this problem right now.  to the best of my knowledge, at this
> point there is no way to rename an existing image set like that.
> however, this is the way that images come off from my camera.
> 

 A simple script to do that, provided you have a file containing the name 
of the files in the order you want them, is this:

#!/bin/sh
# Usage: ./script  

for i in $(seq -w 1 $(sed -e '/^$/d' $1 |wc -l | sed -e 's/ *\([^ ][^ ]*\) 
.*/\1/')); do
mv `head -$i $1 | tail -1` $2_$i.jpg
done

The index file should have one filename per line.

 This script was created in 1-2 minutes, with minimal testing. Use with 
care.

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Re: [Gimp-user] Save AS ?

2004-11-17 Thread Steve Stavropoulos
On Tue, 16 Nov 2004 14:55:54 -0500, Richard wrote:
> Let say I'm working on a photo and now what to save it as
> a jpeg, but in the highest resolution possible, and no extra compress.
> 

 If you don't want to lose anything from the image, save it in the
gimp format, xcf. If you want to use it outside the gimp, common
choices are tiff, png and jpeg. Tiff and png are lossless and jpeg is
lossy. jpeg is very good for photographs if you want a small size.
 To answer your original question, I would say to just increase the
quality setting until you are satisfied with the results, but probably
you want either xcf or tiff with no compression.
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Re: [Gimp-user] Problem with DeSpeckle and Unmask Sharp

2004-11-17 Thread Steve Stavropoulos
On Tue, 16 Nov 2004 22:18:40 -0500, Richard wrote:
> Working on this flower, and by itself its very good,
> has about a dozen of speckles, and a couple of white spec holes.
> 
> So,
> have tried despeckle which blurs image,
> then have tried unsharp mask, and which sharpen it too much,
> and gives it more speckles.
> So, they don't work in this problem.
> 
> Q. what tool, and HOW, does one remove those little
> speckles on a purple flower, "what setting to use"?

I think what you want is the following two tutorials:
 http://gimp.org/tutorials/Reducing_CCD_Noise/
 http://gimp.org/tutorials/Selective_Gaussian_Blur/

 For sharpenning you should try
http://gimp.org/tutorials/Smart_Sharpening/ which is the suggested
method in the first tutorial.

 For more tutorials look at http://gimp.org/tutorials/ and
http://gug.sunsite.dk/?page=tutorials
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Re: [Gimp-user] [Fwd: How to introduce greek letters]

2004-11-01 Thread Steve Stavropoulos
On Mon, 01 Nov 2004 17:09:03 +, Miguel Ortiz Lombardía wrote:
> I've somehow solved this myself by:
> 
> 1. Opening the 'map character' application (gnome menu)
> 2. Selecting the "Standard Symbols L" font
> 3. Choosing whatever letter I want and copy it
> 4. Opening in Gimp the text tool
> 5. Selecting the "Standard Symbols L" font
> 6. Pasting the copied letter
> 
> This is much more complicated than it used to be. Now, I'm not sure
> whether this is a 'Gimp 2.0' feature or something related to Fedora
> Core2 / Xorg.
> 
> Does anyone know a simpler solution?
> 

 Just do the steps 4 through 6. You write in english and in the image
you see it in greek (it is a little bit weird, but you won't write
your entire life story this way...).
An alternative would be to select a real greek font and turn the
keyboard layout to "el".
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Re: [Gimp-user] Fade one edge of photo to trans.

2004-09-29 Thread Steve Stavropoulos
On Wed, 29 Sep 2004 14:11:55 -0700, George Farris wrote:
> How do I fade on edge of a photo to transparency?  Given a 4' by 5"
> picture I want to fade slowly fade (gradient) the first inch from
> transparency to the picture.
> 

 Add alpha channel to layer and add white (full opacity) layer mask.
Select the mask and having as fg color, white, and as bg color, black,
use the gradient tool (with no repeat as an option) to make the
fading.
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Re: [Gimp-user] keybinding for File->Open Location [was: Gimp 2.1.4 filepicker]

2004-09-20 Thread Steve Stavropoulos
On 20 Sep 2004 16:07:40 +0200, Sven Neumann wrote:
> Simon Budig writes:
> 
> > I frequently use CTRL-L to bring the layers tab to the front, it is a
> > handy shortcut.
> 
> Of course it is a very useful shortcut and I use it a lot myself.
> However if we want to try to coexist peacefully with other
> applications, it would make sense to respect the fact that Ctrl-L is a
> standard keybinding that should be bound to "Open Location" in all
> applications. The question is thus if we can find a different
> keybinding for the Layers dialog.
> 

 If ctrl-l would open location instead of the layers, the first thing
I would try would be ctrl-L (shift-l) for the layers.
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Re: [Gimp-user] Enlarging images for print

2004-09-18 Thread Steve Stavropoulos
On Thu, 16 Sep 2004 07:38:37 +1000, Kevin Waterson wrote:
> In photoshop, a process of enlarging images is done little by little
> using bi-cubic. This is done in small steps to assure a closer fill
> in with pixels. What method does the GIMP use?
> 

 GIMP uses whatever you tell it to use. Look for interpolation in the
Image -> Scale Image options. You can change the default from File ->
Preferences -> Tool Options -> Default interpolation.
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Re: [Gimp-user] GIMP 2.0.1 doesn't free X memory

2004-07-08 Thread Steve Stavropoulos
On Thu, 8 Jul 2004, Alex Dunaevski wrote:

> I discovered X server eating lots of memory while working with subj.
> Moreover after i close GIMP it remains allocated, here's line from ps:
> ...
> root   948 11.0 55.5 159540 70648 ?  SL   14:19  20:20 /usr/X11R6/bin/X
> 
> ...
> 
> I have 128mb RAM +190mb swap, so 55% is quite a lot.
> The only way to free that memory is terminating X server :(
> 

 Keep in mind that the memory usage of X includes the video ram of your 
graphics card. So, if you have a card with 64MB of ram, then ps will show 
X having 64+X MB.
 Also, X does a lot of caching (images), which adds a lot to its memory
size, but sooner or later the memory used for cache by X will be swaped 
out, with no difference in the performance of X.
 In the line you pasted we can see that only 70MB are currently used by 
the X server and I assume that most of them are from the graphics card.

PS. Oh, I forgot to say that the linux kernel will free memory only when 
it is needed by something else. (of course the behaviour of the VM changes 
with every full moon, so what I describe might be inaccurate)
 In any case, that's not a gimp bug.

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Re: [Gimp-user] How to select against a boundary?

2004-07-08 Thread Steve Stavropoulos
On Thu, 8 Jul 2004, Theodore D. Sternberg wrote:

> On Thu, 8 Jul 2004, Steve Stavropoulos wrote:
> > > Imagine a picture of a person's face, but with a solid, closed, black,
> > > curve drawn over part of the face.  Is there a semi-automated (e.g.  like
> > > magic wand, but not like bezier or lasso where I have to trace the curve
> > > with my mouse) way to select the region inside that curve?  (The curve is
> > > not an ellipse or rectangle; it can be quite convoluted but it doesn't
> > > intersect itself.)
> > > 
> > 
> >  You could first select just the curve with the magic wand ("select
> > continuous regions") and then Select -> Save to channel. Then on the
> > channel, select the inner area (with the magic wand again) and you
> > have your selection.
> 
> Thank you!  Unfortunately, the magic wand is unable to select the inner 
> area; if I could have done that it would have solved my problem right 
> there.  Or is it something special about channels (I guess I don't 
> understand why you advise me to save to a channel really...)?
> 

 When doing the last select you should have the channel selected in the 
channels dialog and NOT any layer of the image. You save the curve in a 
channel so you will be able to make any operation you want based on that 
selection. You can assume that a channel is a normal greyscale image.

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Re: [Gimp-user] How to select against a boundary?

2004-07-08 Thread Steve Stavropoulos
On Wed, 7 Jul 2004, Theodore D. Sternberg wrote:

> Imagine a picture of a person's face, but with a solid, closed, black,
> curve drawn over part of the face.  Is there a semi-automated (e.g.  like
> magic wand, but not like bezier or lasso where I have to trace the curve
> with my mouse) way to select the region inside that curve?  (The curve is
> not an ellipse or rectangle; it can be quite convoluted but it doesn't
> intersect itself.)
> 

 You could first select just the curve with the magic wand ("select
continuous regions") and then Select -> Save to channel. Then on the
channel, select the inner area (with the magic wand again) and you
have your selection.

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Re: [Gimp-user] How do I make a copyright symbol?

2004-07-04 Thread Steve Stavropoulos
On Sat, 3 Jul 2004, Michael Larsen wrote:

> Also, is there a good sight I can check out for plug-ins and/or filters to
> add that might be similar to those available in Photoshop?
> 

 http://registry.gimp.org/ , but what plugin do you think you are missing? 
I think gimp has a pretty complete collection of plugins bundled in.

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RE: [Gimp-user] Making an image with a white background transparent?

2004-06-09 Thread Steve Stavropoulos
On Tue, 8 Jun 2004, dreadnought wrote:

> I've been using the technique mentioned in the email below to try to get
> images with white backgrounds transparent .. I've had some good luck, but
> also some bad.  Today I used the process on two .jpg's and the *entire*
> images ended up transparent.  In one of the images, the foreground color is
> actually black.  I've got the color picker on white and then do a color to
> alpha on white.  The entire image (including the black stuff in the middle)
> gets the alternating boxes indicative of transparency.
> 

 This behaviour is the expected. Color to alpha removes the selected color
from all the colors in the image in such a way that when you put the image
above a background of that color you will get your original image.
 To do what you want, and that is to just erase a specific color, you
should:
 1) add an alpha channel to your layer if it hasn't got any yet (right
click on the layer and "add alpha channel")
 2) Select -> Select by Color
 3) Edit -> Clear

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Re: [Gimp-user] make white the transparent color

2004-04-30 Thread Steve Stavropoulos
On Fri, 30 Apr 2004, Joachim Schiele wrote:

> is there a posibility to change the wite color tone, or any other specified by 
> me to the alpha-color? i got a picture with a white background, now change 
> the white to transparent.
> 

  -> Filters -> Colors -> Color to Alpha

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Re: [Gimp-user] Opacity Layers?

2004-04-15 Thread Steve Stavropoulos
On Fri, 9 Apr 2004, David Wright wrote:

> Does the gimp support opacity layers? By opacity layer I mean an layer 
> with a 8-bit numer for each pixel, where instead of being intrepreted as 
> a gray or color intensity value, the number is intrepreted as a pure 
> opacity. When it is 255, the pixel is black; when it is 0, the pixel 
> below shows through perfectly; when it is intermediate, the pixel is an 
> appropriate average of black and the color of the pixel below.
> 

 What you want to create is a layer with the alpha channel representing 
your image and a solid color (black or white in your case).
 Simple steps:
1) Create a new white layer
2) Add layer mask (Black, full transparency)
3) select the layer with your text and in the image press ctrl-a and 
ctrl-c to select all and copy the image.
4) Select the layer mask in the layers dialog and in the image press 
ctrl-v to paste.
5) Anchor layer
6) The layer you just created is what you want. (you may like to right 
click in the layer and "Apply layer mask")

 I just confirmed these steps in my gimp 1.2.1 but I think there isn't any 
difference in gimp 2.0.x.

PS. If you want to use this image in a web page notice that IE doesn't 
support 8-bit transparent pngs. (there are some workarounds that you can 
find in the archives of this list, but nobody should care about IE :P)

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Re: [Gimp-user] A SMALL feature request(comfortable for wacom users)

2004-04-15 Thread Steve Stavropoulos
On 7 Apr 2004, Sven Neumann wrote:

> Khiraly <[EMAIL PROTECTED]> writes:
> 
> > There is a minor, but really annoying problem with the current layout of
> > the user interface, regarding the dockable tabs part. 
> > For adding a new tab, I only have to drive my mouse/wacom pen over the
> > tab area. On the other hand, if I grip and drag the tab, it becomes a
> > new window. 
> 
> Increasing the dnd-drag-threshold should help. Put something like this
> into your ~/.gtkrc-2.0:
> 
> dnd-drag-threshold = 50
> 

 Wouldn't be better (and more intuitive) to create a new window for a tab
only if you dnd the tab out of the dock?

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Re: [Gimp-user] specify png background color?

2004-04-03 Thread Steve Stavropoulos
On Sat, 3 Apr 2004, Jeffrey Brent McBeth wrote:

> On Sat, Apr 03, 2004 at 12:32:25AM -0800, Tom Williams wrote:
> > Zhang Weiwu wrote:
> > 
> > >Hello. I have a png logo with alpha channel, it looks good on every 
> > >browser excepte IE, which rander the alpha channel to a single color.
> > >
> > >I wish to set the optional png background color to be #222, the 
> > >background color of the webpage where the logo is. In this case even 
> > >IE failed to rander alpha channel the picture is still displayed with 
> > >a not-very-ugly background.
> > >
> > >But how? Is it possible? (I am using GIMP pre-2.0)
> 
> Erm, last I checked, you have your background color (in the color chooser)
> be what you want the PNGs background color to be, then when you save the
> PNG, you make sure "Save Background Color" is turned on.
> 

 You don't have to turn on "Save Background Color", in fact I think it is 
best to turn it off. Either way, IE will show as background what your 
background color (in the color chooser) was when you saved your image.

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Re: [Gimp-user] gradient-blur

2004-03-20 Thread Steve Stavropoulos
On 20 Mar 2004, Sven Neumann wrote:

> "William Skaggs" <[EMAIL PROTECTED]> writes:
> 
> > Actually the reality is that Gimp, with the standard plug-ins, does
> > not have the ability to do this, although there are ways to fake
> > something that looks sort of like it.  The easiest way to get it
> > would be to modify the "blur" filter (found in randomize.c in the
> > plug-ins directory) so that the probability values are derived from
> > a map-image rather than constant.  This would really be a valuable
> > thing to have.
> 
> Combining a blurred picture with an unblurred picture using layer mask
> seems to work well for me. Of course it's not the same but it should
> look reasonably similar.
> 

 What is the best technique? What you suggest or the one that follows? Are
there any problems with these two ways, compared with the "mod of the blur 
filter" way?


On Fri, 19 Mar 2004, Jakub Steiner wrote:

> Just create an appropriate selection for the blur filter. The fastest
> method in this case would be toggling the quickmask, creating the
> gradient, toggling back and applying the blur filter.
> 

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Re: [Gimp-user]

2004-02-16 Thread Steve Stavropoulos
On 16 Feb 2004, Sven Neumann wrote:

> Timothy Jedlicka bonzopad <[EMAIL PROTECTED]> writes:
> 
> > Perhaps a philosophical question/arguement. Using gimp2.0Pre3,
> > visibility changes are added to the undo history. I like to use my
> > visibility (the eyeball) to blink back and forth to see if I like
> > the change, however this eats up my undo history. Shouldn't
> > visibility be kept out of the undo history?  Visibility has a built
> > in undo - the eyeball, so why eat into the valuable undo history?
> 
> Changing the visibility of a drawable is a change to the image. We
> follow the philosophy that any change to the image must set the
> image's dirty flag and must be undoable.
> 

 Your reasoning is right, but the clattering of the undo history is still 
very annoying. So, I suggest to Timothy that he makes the visibility 
toggle not with the "eye", but using the undo history.

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