Re: [Gimp-user] cropping 16-bit (12-bit) png

2008-07-11 Thread Joao S. O. Bueno
On Friday 11 July 2008, David Hodson wrote: > de Almeida, Valmor F. wrote: > > I am trying to read and crop a 16-bit png image. The info I get > > from imagemagick's identify follows below. Once loaded into gimp, > > the image appears to be a 8-bit. After cropping and saving as > > png, it turns ou

Re: [Gimp-user] Bizzare .png behavior

2008-07-11 Thread 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 <[EMAIL PROTECTED]> wrote: > From: David Hodson <[EMAIL PROTECTED]>

Re: [Gimp-user] Bizzare .png behavior

2008-07-11 Thread David Hodson
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 channe

Re: [Gimp-user] Bizzare .png behavior

2008-07-11 Thread Elwin Estle
Okay, I did a further experiment. I did alpha to selection on the layer. Saved the selection to a channel. Flattened the image, then re-added the alpha channel and used the selection to cut away the white background. Now, when I save out the image, it works as it should and the filesize is wa

[Gimp-user] Bizzare .png behavior

2008-07-11 Thread Elwin Estle
This is with Gimp 2.4.6 on Windows XP professional. I loaded an image into gimp and selected various aspects of it and cut away, i.e. rendered parts of the background using layer masks. What I ended up with were several layers, each with a different part of the original image, but still the sa