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Fast Alpha
Ponsonby Low
Unregistered User
Join date: 21 May 2008
Posts: 1,893
08-07-2009 18:17
From: Dekka Raymaker
Click the quote button on her post and you will see.



That's right; and in addition to adding the IMG tags, I believe, you also need to uncheck the Automatically Parse Links box.
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Argent Stonecutter
Emergency Mustelid
Join date: 20 Sep 2005
Posts: 20,263
08-08-2009 04:43
From: Tali Rosca
As a tangent here, one reason for the common white halo is that certain programs (I'm looking at you, GIMP) assumes a white background when flattening and exporting images, even when you think you're working with a transparent background in the layered file.
That transparent background still has RGB channels, and if you've got white in those RGB channels then what ELSE is it going to use when exporting? Check the actual color of your background layer. Even better, don't use a transparent background at all, and hide it instead of setting it transparent when you export the image, that way you can see what the background it's blending against will be.
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Nisa Maverick
Registered User
Join date: 3 Jun 2007
Posts: 224
08-09-2009 09:52
From: Argent Stonecutter
That transparent background still has RGB channels, and if you've got white in those RGB channels then what ELSE is it going to use when exporting? Check the actual color of your background layer. Even better, don't use a transparent background at all, and hide it instead of setting it transparent when you export the image, that way you can see what the background it's blending against will be.

This is slightly confusing me somewhat.

If I make a texture, for example, a brick wall with a window and of course the window panes will be transparent. if you have the background layer a colour sure the window is not then transparent. please put me right on this as what layers should be what to make the texture, thanks.
Blot Brickworks
The end of days
Join date: 28 Oct 2006
Posts: 1,076
08-09-2009 10:09
I use phtoshop action."Make alpha with flaming pear" I think it is freely available.I found it on the texture forum sticky.
One click and it sorts it I, never get a halo now.
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Argent Stonecutter
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Join date: 20 Sep 2005
Posts: 20,263
08-09-2009 10:18
From: Nisa Maverick
This is slightly confusing me somewhat.

If I make a texture, for example, a brick wall with a window and of course the window panes will be transparent. if you have the background layer a colour sure the window is not then transparent. please put me right on this as what layers should be what to make the texture, thanks.
Every pixel is ALWAYS a color. Even if it's 100% transparent. The color is just hidden by the transparency.

You need to make sure the color that is hidden by the transparency is a color that matches the edge of the window.
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"And now I'm going to show you something really cool."

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Nisa Maverick
Registered User
Join date: 3 Jun 2007
Posts: 224
08-09-2009 10:28
From: Argent Stonecutter
Every pixel is ALWAYS a color. Even if it's 100% transparent. The color is just hidden by the transparency.

You need to make sure the color that is hidden by the transparency is a color that matches the edge of the window.

the colour of the window or the brick wall?
Argent Stonecutter
Emergency Mustelid
Join date: 20 Sep 2005
Posts: 20,263
08-09-2009 10:29
From: Nisa Maverick
the colour of the window or the brick wall?
The color that you want the "halo" to be. When you use "fast alpha" you will always have a halo, the only difference is making the halo match the rest of the image.
_____________________
Argent Stonecutter - http://globalcausalityviolation.blogspot.com/

"And now I'm going to show you something really cool."

Skyhook Station - http://xrl.us/skyhook23
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Nisa Maverick
Registered User
Join date: 3 Jun 2007
Posts: 224
08-09-2009 10:29
From: Blot Brickworks
I use phtoshop action."Make alpha with flaming pear" I think it is freely available.I found it on the texture forum sticky.
One click and it sorts it I, never get a halo now.

Hmmm I use Photoplus 10 by Serif, I will have to find this on the texture forum
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