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Re: LOADCT and TVSCL [message #38622 is a reply to message #38620]

Fri, 19 March 2004 09:28

Michael Wallace
Messages: 409
Registered: December 2003

Senior Member

> Suppose I want to use B-W Linear color table inverted. From white do
> black. I thought this code could do it:
>
> LOADCT, 0
> for i = 0, 255 do TVLCT, 255-i, 255-i, 255-i, i
> TVSCL, img
>
> Doesn't work. I haven't understood well how TVLCT works? What's wrong?
> How can I make it?

Try sending arrays to tvlct instead...

i = 255 - indgen(256) ; create an array from 255 to 0
tvlct, i, i, i ; use this array for red, green and blue

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[Message index]

		Re: LOADCT and TVSCL By: Antonio Santiago on Fri, 19 March 2004 10:41
		Re: LOADCT and TVSCL By: Michael Wallace on Fri, 19 March 2004 09:28
		Re: LOADCT and TVSCL By: btt on Fri, 19 March 2004 11:20

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