[Gimp-user] Bizzare .png behavior

[Elwin Estle]

I found a workaround.  I simply loaded the image into Gimp, added a transparent layer above the image, merged down, then saved.  This time, what was supposed to be transparent stayed that way.


--- On Fri, 7/11/08, David Hodson <hodsond at ozemail.com.au> wrote:

> From: David Hodson <hodsond at ozemail.com.au>
> Subject: Re: [Gimp-user] Bizzare .png behavior
> To: gimp-user at lists.xcf.berkeley.edu
> Date: Friday, July 11, 2008, 11:19 AM
> Elwin Estle wrote:
> 
> > Now for the weird part.  If I turn off "use
> alpha" in the Blender texture file options, the
> entire, original image appears, it's as if the .png
> file was saved out just like the original picture, without
> any renders cut from it, etc.
> 
> As far as I know, the alpha channel in both Gimp and png
> files is 
> non-premultiplying. (In other words, it's what many
> people would refer 
> to as a matte channel rather than an alpha channel.) The
> colour channels 
> are not affected by its presence. If you turn it off, the
> colour is 
> still there.
> 
> -- 
> David Hodson  --  this night wounds time
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