Re: [Gimp-user] transparent backgrounds?

2009-07-23 Thread Owen

> I would like to fill an image with faces copied from other photos.  I
> am
> stumped with how to make the background of the copied faces
> transparent, so I
> don't have a bunch of little squares and ellipses. I am sure Gimp is
> capable
> of selecting the backgrounds of my thumbnails and rendering them
> transparent.
>
>
> Would somebody please help me understand how to ask it to do that?
>





I find the 'Foreground Select Tool' can be useful in cases where there
is a complex background.

a. roughly mark out the face
b. let it do it work
c. press enter
d. apply the quickmask
e. clean up the selection

-- 



Owen

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Re: [Gimp-user] transparent backgrounds?

2009-07-23 Thread bgw

On 07/23/2009 10:33 AM, Nels H. wrote:

I would like to fill an image with faces copied from other photos.  I am
stumped with how to make the background of the copied faces transparent, so I
don't have a bunch of little squares and ellipses. I am sure Gimp is capable
of selecting the backgrounds of my thumbnails and rendering them transparent.


Would somebody please help me understand how to ask it to do that?

   
First, be sure you have an alpha channel. Other than that, it depends on 
the backgrounds.
If they are complex, the scissors select tool, while cumbersome, can be 
helpful.


 -- Burnie
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Re: [Gimp-user] transparent backgrounds and windows explorer

2004-07-02 Thread Brion Vibber
Jonathan Bartlett wrote:
If you're using PNG it's because Internet Explorer SUCKS at rendering
PNGs.  IE can only do binary transparency, it cannot do a full alpha
channel.
There are two ways around this: you can convert the image in Gimp to 
indexed color (yuck, but compatible; not suitable for all types of 
images), or use terrible scary IE hacks to make it render alpha 
transparency (looks great, but doesn't always work depending on IE 
version and security settings).

See:
http://support.microsoft.com/default.aspx?scid=kb;en-us;294714
There are some scripts to automate use of this hack such as:
http://homepage.ntlworld.com/bobosola/index.htm
-- brion vibber (brion @ pobox.com)


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Re: [Gimp-user] transparent backgrounds and windows explorer

2004-07-02 Thread Jonathan Bartlett
If you're using PNG it's because Internet Explorer SUCKS at rendering
PNGs.  IE can only do binary transparency, it cannot do a full alpha
channel.

Jon

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Re: [Gimp-user] transparent backgrounds and windows explorer

2004-07-02 Thread Alex Dunaevsky
On Fri, 2 Jul 2004 17:26:07 -0400
David A Iacobellis <[EMAIL PROTECTED]> wrote:

> Hello,
> 
> I developed a website and used script-fu/logos in gimp 1.2 to make the logos 
> and buttons.  I then removed the background layer from the image to give me a 
> transparent background.  In mozilla and konqueror the images are rendered 
> correctly but recently I pulled up the website on a friends windows xp 
> machine with internet explorer and discovered the logos transparent 
> background shows up as white.  Can anyone tell me why this is and also if 
> there is a way to correct this.
> 
> Thanks in advance,
> 
> Dave

what image format are you using?

-- 
Live your way || Think different || And... install LINUX
  -RenderMan
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