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Re: Q: negative black & white image [message #6898 is a reply to message #6895] Mon, 19 August 1996 00:00 Go to previous message
Liam Gumley is currently offline  Liam Gumley
Messages: 473
Registered: November 1994
Senior Member
Runar J|rgensen wrote:
> Hi,
> I produce a black/white image using
> loadct,0
> tvscl,image
> What I want to do now is make an negative of this image.

How about

tv,255-bytscl(image)

Cheers,
Liam.
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