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Re: Q: negative black & white image [message #6895] Mon, 19 August 1996 00:00 Go to previous message
peter is currently offline  peter
Messages: 80
Registered: February 1994
Member
Runar J|rgensen (runar.jorgensen@fys.uio.no) 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.

loadct,0
tvscl,max(image)-image

Peter
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