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Re: working with colours [message #37653 is a reply to message #37652]

Tue, 13 January 2004 06:29

Pepijn Kenter
Messages: 31
Registered: April 2002

Member

maarten wrote:
> Hello,
>
> I have a problem with working with colours. I have two datasets that
> will be layed on eachother. One of the datasets will be displayed in
> greyvalues, the other will have to be displayed in a blue-red activation
> colourscheme, transparancy isn't needed. I tried to divide the
> colourspace in two separate parts using the bytscl command.

It's possible that I misunderstand your problem or that you allready
thought of the following solution, but it seems to me that you can map
the first parameter to the Value, and the second parameter to the Hue in
the HSV (or HSL) color coordinate system. You can use the color_convert
routine from IDL to convert this HSV color to an RGB value, and then
display the result as normal.

HTH, Pepijn.

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[Message index]

		Re: working with colours By: maarten on Tue, 13 January 2004 08:46
		Re: working with colours By: Liam Gumley on Tue, 13 January 2004 08:14
		Re: working with colours By: David Fanning on Tue, 13 January 2004 07:05
		Re: working with colours By: maarten on Tue, 13 January 2004 06:49
		Re: working with colours By: Pepijn Kenter on Tue, 13 January 2004 06:29
		Re: working with colours By: David Fanning on Tue, 13 January 2004 05:57

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