Re: [Gimp-user] FAQ answers

2002-12-22 Thread pcg

First of all, please don't quote such a long mail without replying to
it. Believe us, we _did_ reeceive the original mail, too ;)

On Thu, Dec 19, 2002 at 04:26:26PM -0800, [EMAIL PROTECTED] wrote:
  *)  How does the Xtns/Script-Fu menu differ from the Script-Fu
 pop-up
  menu?
 
 When I right-click on an image and get the context menu, there is a
 Script-Fu option at the bottom.  That is the Script-Fu pop-up  I was
 referring to.  :)

Well, they are completey different. Or, put another way:

The right-click-menu (image menu) contains operations/plug-ins that work
on the active/current image. The filters and script-fu entries use the
underlying image as one of their arguments.

The Xnts-menu (the whole toolbox, actually) contains effects and plug-ins
(and other operations) that work without images (for example, there is no
file/save). Most plug-ins in the toolbox or xtns-menu create new images.

As a sidenote, the fully artificial distinction between script-fu-plug-ins
and other plug-ins confuses a lot of users (the same is true for the xtns
menu. I fail to see why a user must memorize that a specific plug-in is
wirtten in C, Perl, or script-fu, just to _use_it). All of these should
just be moved to their correct location, ending this confusig double-life.

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Re: [Gimp-user] FAQ answers

2002-12-22 Thread Joshua Thorin Messer
Thus spake Thomas Lund ([EMAIL PROTECTED]):
 
 FAQ: How to get of this list?
 
Did  you try the advice sent directly to you by myself and also sent
to the list by another user? Send mail to the list admin at
[EMAIL PROTECTED] If manish can't get you off
the list something is borked.
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Re: [Gimp-user] FAQ answers

2002-12-19 Thread John Culleton
On Thursday 19 December 2002 23:50, Michael J. Hammel wrote:
 Thus spoke [EMAIL PROTECTED]
Actually, I asked this question :)
  OK here is my FAQ:
  How does one set defaults in Gimp for e.g., output formats?

 See File-Preferences.  However, the default format is XCF which is
 GIMP's built in format to save layer information.  To specify a
 different output format you either append the appropriate suffix to
 the filename (and let GIMP guess which format that means) or set the
 option menu to the format you want to use.

 Other defaults are configurable in the Preferences dialog.

 Hope that helps a little.
The preferences I referred to are for PS output and include such
items as:
Encapsulated Postscript (my preference)
Zero horizontal and vertical offset (my preference)
Inches instead of pixels for dimensions (my preference)
The Preferences dialog doesn't cover these details.

I don't mind specifying PS output. It's these other details that have
to be reset in the same way on every run. 



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Re: [Gimp-user] FAQ answers

2002-12-19 Thread Akkana
Tom Williams wrote:
 *)  How does the Xtns/Script-Fu menu differ from the Script-Fu pop-up
 menu?

(Answering the questions Michael didn't)
The scripts and plugins in Xtns create a new image -- they're not
tied to any existing image.  The ones in the Image popup menu do things
on the current image.

 *)  What books on the gimp are recommended?  Beginner and intermediate
 level books would be great.

I learned a lot from Grokking the Gimp -- preview it at gimp-savvy.com.

Stephen J. Baker wrote:
   Q: I'm trying to paint and nothing is happening - what did I
  do wrong?

That gets my vote for the #1 question on the FAQ!  It was definitely what
kept me in xv or paintshop pro instead of gimp when I was getting started.

   A: Eeek! There are about 1e6 things that could be:
* You are painting outside of the selection. 

And you may not realize this because the marching ants may not be
shown for some reason.

* You've picked some kind of 'do nothing' paint.
* Your paint colour is the same as the background.
* You are painting to a layer that's hidden.  
* You are painting to a layer that's rendered at
  100% transparency.
* Try hitting 'Layers/Anchor'.
* Try hitting 'Layers/Layer-to-Image-Size'.

The two causes I hit most often:
 * You are painting outside of the layer (because you have
   the wrong layer selected)
 * You are painting to a layer that somehow got preserve
   transparency set (which leads to a new FAQ: Why does that
   bit sometimes get set without my setting it?)

...and lots of others...   

I used to hit this problem even back before I knew about layers, when
nothing was selected, and I still don't know what was causing it ...

* Look - just save the image, restart GIMP and
  load it back in again - I'm too busy to figure
  it out.

Ouch.  (That doesn't necessarily solve it, though, since when you reload
you may still end up on the wrong layer or whatever.)

...Akkana
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Re: [Gimp-user] FAQ answers

2002-12-19 Thread Michael J. Hammel
Thus spoke John Culleton
 The preferences I referred to are for PS output and include such
 items as:
 Encapsulated Postscript (my preference)
 Zero horizontal and vertical offset (my preference)
 Inches instead of pixels for dimensions (my preference)
 The Preferences dialog doesn't cover these details.
 
 I don't mind specifying PS output. It's these other details that have
 to be reset in the same way on every run. 

Hmmm.  I guess there may be a bug (or feature, depending on your point of
view) where file plug-ins don't maintain their last setting in the gimprc
file.  Also, the file-format specific file plug-ins are the place where 
preferences of this nature must be set.  It's a trade off for how versatile
plug-ins can be (supporting another format means dropping in another
plug-in instead of recompiling all of GIMP).  What probably needs to be
addressed is how well (or even if) file plug-ins (which are kind of special
plug-ins from a developers perspective) save their last set configurations.

I haven't checked if there is a bug written against this issue.  It is
probably worth while to write such a bug report if there isn't one yet
since it's a reasonable request and a useful feature for future releases.

Of course, this feature may already exist for the PS file plug-in but its
just not being used correctly.  I haven't verified that possibility yet (I
don't use the PS output format much).
-- 
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[Gimp-user] FAQ answers

2002-12-19 Thread Michael J. Hammel
Thus spoke [EMAIL PROTECTED]
 Hi!  Here are some questions I have:
 
 *)  Where can I find good gimp tutorials?

Good is relative, but here are some pointers to get you started.
http://www.graphics-muse.com/cgi/gmcat.pl?id=11

 *)  How close in functionality to PhotoShop is the gimp?

You can do in GIMP most of what you can do in Photoshop.  There are some
caveats:
Photoshop handles 16 bit color, Pantone and CMYK conversions - GIMP does not.
Photoshop has a way to record your actions - GIMP only allows you to
redo the last action (so far).

GIMP has features Photoshop does not:
Scripting
Networked access
Batch mode

The trick is to expect your techniques to be similar between the two
applications, but not identical.

 *)  What versions of PhotoShop .PSD files are supported by the PhotoShop
 plug-in?

Unknown.  I guess I could read the code and find out, but I'm too lazy
right now.  It's the holidays.  :-)

 *)  How can I change the foreground color of some text to a pattern?

The easiest way to do this is to start with text on it's own transparent
layer.  If you do so, then you can simply select Alpha to Selection in
the Layers menu and do a Bucket Fill using a pattern instead of a color.
If you don't have your text on a layer by itself like this, then you need
to make a selection of the text.  Selection techniques are many, and are
likely to be one of your most valued skills as you get more involved in
your artwork.

 *)  What are layer masks and how do they work?

They are cardboard cutouts that determine which part of the layer will
actually be used.  In the layer mask white areas designate areas of the
layer that are visible (and/or combined with other layers) and black areas
are masked out.  To create a mask, just start painting in the layer mask
with either black or white.  Note that gray areas (places where pixels
are mixed between black and white) in the mask make the corresponding
pixels in the layer partially visible (aka partially transparent).

 *)  How does the Xtns/Script-Fu menu differ from the Script-Fu pop-up
 menu?

Huh?  I'm not sure what the Script-Fu pop up menu is.

 *)  Is it possible to align text along a curve in an image?  If so, how is
 it done?

It's done with a filter currently.  See Xtns-ScriptFu-Logos-Text Circle
This only works around a single arc, so it's not what you might expect, but
it's a start.

 *)  How can I find out the step-by-step process to make the logo effects in
 the Xtns/Script-Fu/Logos menu?  I can see the resultant layer data, but
 have NO idea of how to do that myself.

Read the code.  Really, that's how pretty much everyone else learned.
ScriptFu code is regular text that you can read.  But it's a programming
language.

If you want to know how the techniques were discovered by the ScriptFU
programmers, well, that's probably just experience.  Lots of time fiddling
with existing scripts or techniques to invent new ones.

 *)  What does feathering mean?

It means making the edges of a selection soft.  In brief, it allows pixels
within the feathered region to go from fully selected to not selected.  If
you feather a distance of 10 pixels for a circular selection then 5 pixels
toward the inside of the selection will be fully selected and, as you move
outward, the pixels are considered less selected.  Being less selected is
essentially like be more transparent.

What this means in practice is that if you fill the selection (or cut it
out) you get soft edges.  In a fill of a feathered selection, the color
flows from the selected color towards the existing colors in the layer.

 *)  What books on the gimp are recommended?  Beginner and intermediate
 level books would be great.

Can't answer that.  I have two published, so I'm a bit biased (though I
think you can only actually get one of them these days).  Carol's new web
site has some listed (and the site design is rather nice - hope to see it
go live soon!) - mmmaybe.gimp.org I think is the URL.

 *)  Where can I find online resources/tutorials on creating animations with
 gimp?

I think that link I gave earlier has some animation tutorial links on it.  There
aren't many tutorials on this subject yet.  


Thus spoke Nathan Carl Summers [EMAIL PROTECTED]
 OK here is my FAQ:
 How does one set defaults in Gimp for e.g., output formats?

See File-Preferences.  However, the default format is XCF which is GIMP's
built in format to save layer information.  To specify a different output
format you either append the appropriate suffix to the filename (and let
GIMP guess which format that means) or set the option menu to the format
you want to use.

Other defaults are configurable in the Preferences dialog.

Hope that helps a little.
-- 
Michael J. Hammel   |
The Graphics Muse   |  Women should put pictures of missing husbands 
[EMAIL PROTECTED]  |  on beer cans.
http://www.graphics-muse.com 
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