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Re: color .ps/gamma_ct [message #10815 is a reply to message #10809]

Fri, 23 January 1998 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Peter Gallagher wrote:
> I'm trying to plot two images in one Postscript file using the
> same color table. The only problem is that I want to apply a
> different gamma correction to each image.
> Something like ...
> LOADCT, 3
>
> TV, image1
> GAMMA_CT,.7
>
> TV, image2
> GAMMA_CT,.3
>
> The GAMMA_CT changes the appearance of both the images each time
> it is applied - I want a separate gamma correction for each image.

How about something like this:

SET_PLOT,'PS'
DEVICE,/COLOR,BITS=8

LOADCT, 3
GAMMA_CT,.7
TV, image1

LOADCT, 3
GAMMA_CT,.3
TV, image2

DEVICE,/CLOSE

Cheers,
Liam.

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[Message index]

		Re: color .ps/gamma_ct By: davidf on Fri, 23 January 1998 00:00
		Re: color .ps/gamma_ct By: Martin Schultz on Fri, 23 January 1998 00:00
		Re: color .ps/gamma_ct By: Peter Gallagher on Fri, 23 January 1998 00:00
		Re: color .ps/gamma_ct By: Liam Gumley on Fri, 23 January 1998 00:00

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