Re: [Gimp-user] GIMP and CMYK

2008-10-02 Thread Martin Nordholts
Derek Wueppelmann wrote:
 Hello, 

 What I'm having troubles with right now is that I have been given an EPS
 file from a graphics company that contains a Logo. The image has been
 saved with (apparently) CMYK formated colors. The issue is that the CMYK
 representation they say should give the desired RGB formated colors is
 not actually doing this. What I get is distinctly not what they
 indicated it should be. I have now tried 7 different applications to
 convert this image correctly (not Illustrator or Photoshop as I don't
 have access to these).


Hi

First of all, does the EPS contain an ICC color profile? Do you have the
color profile at all? Did you use it when you tried opening the EPS in
those 7 applications?

BR,
Martin

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Re: [Gimp-user] GIMP and CMYK

2008-10-02 Thread Derek Wueppelmann
On Thu, 2008-10-02 at 09:27 +0200, Martin Nordholts wrote:
 First of all, does the EPS contain an ICC color profile? Do you have the
 color profile at all? Did you use it when you tried opening the EPS in
 those 7 applications?

Downloading the ICC profiles and opening the EPS in Scribus solved the
problem. I had to change a few options in Scribus and then export as an
SVG file. But I got the image in the correct colours now. Thanks for the
pointer.

-- 
 o)   Derek Wueppelmann   (o
(D .   [EMAIL PROTECTED] D).
((` http://www.monkeynet.ca   ( ) `

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Re: [Gimp-user] Make transparent layer invisible

2008-10-02 Thread Michael J. Hammel
On Thu, 2008-10-02 at 15:29 -0400, Adonj Adonj wrote:   
 Can the transparent layer which is represented by the gray squares be made 
 invisible?

No.  The checkboard pattern is configurable (see Preferences/Display)
but the pattern or color you choose is not actually a layer.  It's just
a way of showing where in the image some level of transparency exists
through the existing layers.  You can't see, for example, your desktop
through that transparent area, however.

-- 
Michael J. Hammel [EMAIL PROTECTED]

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[Gimp-user] Make transparent layer invisible

2008-10-02 Thread Adonj Adonj

Hi there,

Can the transparent layer which is represented by the gray squares be made 
invisible?

Thanks, Adonj

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Re: [Gimp-user] Make transparent layer invisible

2008-10-02 Thread bgw
Adonj Adonj wrote:
 Hi there,

 Can the transparent layer which is represented by the gray squares be made 
 invisible?

 Thanks, Adonj

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The gray squares are there to make it obvious that the picture has a 
transparency (alpha) layer. If it is visible, then the opacity of the 
other layers is less than 100% or the other visible layers do not cover 
the entire image. When I use the alpha layer but don't want the gray 
squares to bother me, I'll typically insert a white background layer 
underneath all the other image layers. Then I turn off the background 
layer before exporting the image to png (jpg doesn't support transparency).
Other people may have different ideas.
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Re: [Gimp-user] Make transparent layer invisible

2008-10-02 Thread bgw
Adonj Adonj wrote:
 That's exactly what I was looking for! To see the desktop through that 
 transparent area. Therefore I see there is no possibility of doing so while 
 using Gimp? Is that only achievable in other animation software and may be as 
 well in Gimp in a future version?

 Adonj

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You can see the desktop through the transparent area once the image is
exported to a png format - just not while GIMP is editing it.

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[Gimp-user] Make transparent layer invisible

2008-10-02 Thread Adonj Adonj

If I export it to png it wouldn't be an animation! I'm sorry 
I obviously overlooked mentioning my intention.

Adonj

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Re: [Gimp-user] Make transparent layer invisible

2008-10-02 Thread Patrick Horgan
Adonj Adonj wrote:
 If I export it to png it wouldn't be an animation! I'm sorry 
 I obviously overlooked mentioning my intention.
   
Do animated gifs support transparency?  I've never tried it...oh, wait, 
yes I did, just the other day I made an animated gif icon with 
transparency for someone's web site.  Funny, I answered my own question:)

Patrick
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Re: [Gimp-user] Make transparent layer invisible

2008-10-02 Thread Michael J. Hammel
On Thu, 2008-10-02 at 16:16 -0400, Adonj Adonj wrote:
 If I export it to png it wouldn't be an animation! I'm sorry 
 I obviously overlooked mentioning my intention.

You can preview the transparency by using the GAP player
(Filters-Animation-Playback).  When the player dialog opens, right
click on the canvas area and choose Detach.  Then drag the canvas area
over your desktop.  The animation will playback over your desktop with
transparency rendered.  It may not be a perfect render, but it should
work.

Saving to PNG preserves full transparency but I don't think PNGs support
animation (use MNG instead, I believe).  I could be wrong about that as
I don't do much with animations.

Saving as GIF will reduce the palette to 256 colors and reduce
multiple-levels of transparency (re: 0%-100%) to a single state of
transparency (pixels are either fully transparent or they are not).  

Animated GIFs play fine in web browsers.  PNGs (non-animated) with
transparency work well in modern browsers but suck in older versions of
MSIE.  That's the browsers fault, not PNGs fault.

-- 
Michael J. HammelPrincipal Software Engineer
[EMAIL PROTECTED]   http://graphics-muse.org
--
It is a man's own mind, not his enemy or foe, that lures him to evil ways.
--Buddha

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[Gimp-user] Re: Make transparent layer invis ible‏

2008-10-02 Thread Adonj Adonj

I use the GAP player when I need to.
Saving to PNG will have layers merged or flattened. That doesn't work for 
animations.
Saving as GIF is my final result.
To demonstrate the problem I'm having:
In my animation I have two identical frames of an object surrounded by a 
transparent background which is represented by small gray squares. If I move 
the object slightly in one frame, then play the animation, and detach the 
image, then drag the image which is now stepping from one frame to the other to 
the desktop screen, the area around the object which has had the object 
displaced, shows some of the gray squares each time the image steps to this 
displaced image frame.

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[Gimp-user] Re: Make transparent layer invis ible‏

2008-10-02 Thread Adonj Adonj

Here is a desktop capture of the animation dragged to it:
 
ftp://www3.sympatico.ca/transparency%20showing%20example.jpg
 
Adonj
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Re: [Gimp-user] Make transparent layer invisible‏

2008-10-02 Thread Michael J. Hammel
On Thu, 2008-10-02 at 21:23 -0400, Adonj Adonj wrote:
 I use the GAP player when I need to.
 Saving to PNG will have layers merged or flattened. That doesn't work for 
 animations.

Yeah, you have to save as MNG instead, I'm pretty sure.  But MNG
probably isn't supported in web browsers all that well.  I assume you're
trying to do this for the web or you wouldn't even consider GIF
animations.

 Saving as GIF is my final result.
 To demonstrate the problem I'm having:
 In my animation I have two identical frames of an object surrounded by a 
 transparent background which is represented by small gray squares. If I move 
 the object slightly in one frame, then play the animation, and detach the 
 image, then drag the image which is now stepping from one frame to the other 
 to the desktop screen, the area around the object which has had the object 
 displaced, shows some of the gray squares each time the image steps to this 
 displaced image frame.

Yeah.  As far as I know, that's how it works.
-- 
Michael J. Hammel   
[EMAIL PROTECTED] / http://www.graphics-muse.org
--

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