[ptx] nona, gimp-2, TIFF_mask multilater tiff files

[Bruno Postle]

On Wed 07-Jan-2004 at 09:22:21AM -0700, JD Smith wrote:
> 
> Can you not just say: Add Layer Mask... -> Layer's Alpha Channel and
> recover a fully-functioning mask?  Probably a plug-in which does this
> for all layers would be easy.

I can adjust the alpha-channel and make it completely opaque, all it
does is reveal that the underlying pixels are 0,0,0 black.  The
process of merging the masks into an alpha-channel has removed the
RGB information where the masks indicated full transparency.

-- 
Bruno