On 2012-10-31 21:35, Jens Fendler wrote:
> Hi Paul,
>
> have you tried the ImageMagick tools yet? By default, the "convert"
> tool is quite a good candidate for many types of (batch-enabled) image
> processing.
See http://www.imagemagick.org/script/command-line-options.php#negate
for documentation.
So a simple
for i in *.tiff; do convert $i -negate positive/$i; done
should do it.

greetings,
Sebastian
>
> If that doesn't do the trick you can still use e.g. GIMP with a bit of
> scripting effort. (Though I can't help you much more in this direction
> I'm afraid..)
>
> Hope this helps,
> Jens
>
> On 10/31/2012 10:28 PM, J. Paul Bissonnette wrote:
> > Is there any software for Linux that will convert a colour negative
> > to positive. I have about 500 slides I would like to digitize.
>
> > Paul
>
> >
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