> On the Nikon-Filmscanner we use the infrared channel
> as forth channel but it is stored in the alpha channel
> of the png format (or other formats) or it is transfered
> to gimp as alpha-channel.
> If we think of the dust as beeing a filter which occludes
> some of the image, the interpretation as "apha" channel is
> quite acceptable.
> As there might be other methods to scan an "alpha" channel
> than by scanning with infrared ligth I think the
> renaming to RGBA is a good idea.
>
Hi Andreas,
that is the reason why I renamed it!
The frontend does not need to know how the alpha channel
is generated, so it is better to name it alpha than infrared.
I sent some changes of sane.tex to David as suggestion
at that point!
Bye
Oliver
-- EMAIL: Oliver.Rauch@Wolfsburg.DE WWW: http://www.wolfsburg.de/~rauch
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