Re: [Gimp-user] Removing Background

2010-10-02 Thread Ofnuts 
  On 02/10/2010 16:04, Beassweetpeas wrote:
>> What you want isn't removing the background, but extracting the
>> foreground :-) And there is a tool for this next to the scissors tool
>> (once your have a selection on th eforeground, your can invert it and
>> strike delete to remove the background).
>> I assume that the box on the RHS is the layer dialog, that let you
>> choose which layers are displayed. But this requires to already have two
>> distinct layers, one with your subject and one with the background.
> Thanks for your reply.Please could you give me a step by step idiots guide 
> for doing this please!
> Many thanks!
>

1) add an alpha channel to the image (layers dialog, right click, add 
alpha channel)

2) use the foreground selection tool: 
 It has its 
own step-by-step indications at the bottom of the screen when it runs

3) invert selection, and hit the delete key. You'll be left with your 
foreground, everything else will be transparent.




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Re: [Gimp-user] Removing Background

2010-09-30 Thread Ofnuts 
  On 30/09/2010 22:29, Beassweetpeas wrote:
> I have just got Gimp and want to remove backgrounds of images.On the video 
> tutorials I have watched there is a box on the right hand side for choosing 
> background. I dont have this although Im sure it was on when I installed it. 
> I only have the Toolbox on the left hand side. Help

What you want isn't removing the background, but extracting the 
foreground :-) And there is a tool for this next to the scissors tool 
(once your have a selection on th eforeground, your can invert it and 
strike delete to remove the background).

I assume that the box on the RHS is the layer dialog, that let you 
choose which layers are displayed. But this requires to already have two 
distinct layers, one with your subject and one with the background.



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Re: [Gimp-user] Removing background

2002-04-25 Thread Bret Hughes 

On Thu, 2002-04-25 at 23:40, Carol Spears wrote:
> On 2002-04-25 at 2057.01 -0700, Seth Burgess typed this mail:
> > The tutorial is at
> > http://www.gimp.org/~sjburges/color_to_alpha/color2alpha.html
> > 
> > Do note that my tutorial works best for non-photographic images, but you can
> > use it to get close with photographic ones and touch up what you need to
> > afterwards.
> > 
> > Its not in general an easy problem.  There's not really a great tool for it yet
> > in Gimp; this filter goes totally aggressive and leaves no hint of the color to
> > be removed.
> > 
> i like this plug-in best on a selection. it removes the background
> and can anti-alias the edges nicely after you tweak the selection a bit.


Hmmm.  I may try select by color and grow the selection by a couple of
pixels and then color to alpha at least it won't freak out the rest of
the image.  Thanks for the tip Carol.

Bret

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Re: [Gimp-user] Removing background

2002-04-25 Thread Carol Spears 

On 2002-04-25 at 2057.01 -0700, Seth Burgess typed this mail:
> The tutorial is at
> http://www.gimp.org/~sjburges/color_to_alpha/color2alpha.html
> 
> Do note that my tutorial works best for non-photographic images, but you can
> use it to get close with photographic ones and touch up what you need to
> afterwards.
> 
> Its not in general an easy problem.  There's not really a great tool for it yet
> in Gimp; this filter goes totally aggressive and leaves no hint of the color to
> be removed.
> 
i like this plug-in best on a selection. it removes the background
and can anti-alias the edges nicely after you tweak the selection a bit.

carol

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Re: [Gimp-user] Removing Background Tutorial

2002-04-13 Thread Nigel 

Step3: Right clicking on the white widget (or whatever its called) will
allow windows users to select forground or background colours bypassing the
need to set values manually.


Nigel
- Original Message -
From: "Seth Burgess" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, April 13, 2002 2:12 PM
Subject: [Gimp-user] Removing Background Tutorial


> Since removing a background seems to becoming an FAQ, I whipped up a
tutorial
> last night:
>
> http://www.gimp.org/~sjburges/color_to_alpha/color2alpha.html
>
> Happy GIMPing,
>
> Seth Burgess
> [EMAIL PROTECTED]
>
>
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Re: [Gimp-user] Removing Background Tutorial

2002-04-12 Thread Bret Hughes 

On Fri, 2002-04-12 at 21:12, Seth Burgess wrote:
> Since removing a background seems to becoming an FAQ, I whipped up a tutorial
> last night:
> 
> http://www.gimp.org/~sjburges/color_to_alpha/color2alpha.html
> 
> Happy GIMPing,

Outstanding tutorial.  I had no idea that you could drag a color like
that.  HUGE tip for me.

Bret



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