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What color should it be? [message #79990]

Thu, 19 April 2012 12:40

Xin Tao
Messages: 40
Registered: April 2011

Member

I'm using IDL 8.1 from a Mac terminal. One strange thing that I don't understand is the color of the lines in the following command:

plot, [0], color = !p.color

If I just entere IDL, and type the command, the color is red, because !p.color is 255. I don't know why it's 255 by default but I know it's red in the X device. But the strange thing is if I type the command again, it becomes white! And !p.color is 16777215. So does anyone know why this is the case?

I normally don't use PLOT command myself (use CGPLOT:)). This is to debug someone else's code.

Thanks

Xin Tao

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