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Re: Device independent plotting [message #70803 is a reply to message #70797]

Wed, 05 May 2010 05:00

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

pp writes:

> Move the calls to fsc_color to after the call to set_plot. Also, if
> there were any, after any calls to device that changed the way colors
> are handled. But keep it before the first use of the colors,
> obviously.

Yes, generally speaking, it is easier to write
device-independent color programs if colors are
loaded when they are needed. In practice this means
using FSC_Color with your graphics commands. For
example, you could do this:

; Set up colors for graphics output
axisColor = 'Navy'
dataColor = 'Red'
backgnd = 'White'

; Graphics output.
Plot, ..., COLOR=FSC_Color(axisColor), BACKGROUND=FSC_Color(backgnd)
OPLOT, ..., COLOR=FSC_Color(dataColor)

Of course, it seems somewhat redundant to "define" colors
first, so I usually just do this:

Plot, ..., COLOR=FSC_Color('Navy'), BACKGROUND=FSC_Color('White')
OPLOT, ..., COLOR=FSC_Color('Red')

This conveys the message and works well, to boot! :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Device independent plotting By: penteado on Wed, 05 May 2010 08:02
		Re: Device independent plotting By: David Fanning on Wed, 05 May 2010 07:47
		Re: Device independent plotting By: Karen on Wed, 05 May 2010 07:44
		Re: Device independent plotting By: David Fanning on Wed, 05 May 2010 07:42
		Re: Device independent plotting By: penteado on Wed, 05 May 2010 07:20
		Re: Device independent plotting By: pgrigis on Wed, 05 May 2010 07:01
		Re: Device independent plotting By: Karen on Wed, 05 May 2010 06:56
		Re: Device independent plotting By: David Fanning on Wed, 05 May 2010 05:00
		Re: Device independent plotting By: penteado on Wed, 05 May 2010 04:16

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