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Screen color (x device) on mac [message #86223]

Fri, 18 October 2013 16:54

laura.hike
Messages: 87
Registered: September 2013

Member

Hi,

I know this is a trivial question, but I can't find the answer anywhere. I'm running IDL 8.2 from the command line on a Mac. It's been forever since I made live screen plots on a Mac, and the color keeps coming up white on black. I've tried

Device, Decomposed=0

and loading several different color tables (and then starting new windows), but it always comes out the same. I could just make a PS plot using a pro file, but the live plots are better while in testing mode.

Thanks

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Re: Screen color (x device) on mac [message #86224 is a reply to message #86223]

Fri, 18 October 2013 19:38

Heinz Stege
Messages: 189
Registered: January 2003

Senior Member

On Fri, 18 Oct 2013 16:54:02 -0700 (PDT), Lucas J. wrote:

> Hi,
>
> I know this is a trivial question, but I can't find the answer anywhere. I'm running IDL 8.2 from the command line on a Mac. It's been forever since I made live screen plots on a Mac, and the color keeps coming up white on black.
> [...]

I added the following commands to the startup file on my Windows
computer:

!p.background=!d.n_colors-1 ; white background
!p.color=0 ; default color = black

This works fine. I think, it should work for a Mac too.

Cheers, Heinz

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Re: Screen color (x device) on mac [message #86229 is a reply to message #86224]

Sat, 19 October 2013 15:00

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Heinz Stege writes:

> I added the following commands to the startup file on my Windows
> computer:
>
> !p.background=!d.n_colors-1 ; white background
> !p.color=0 ; default color = black
>
> This works fine. I think, it should work for a Mac too.

Oh, my gosh, don't do that! You'll never understand colors if you do
that! :-)

Cheers,

David

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

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Re: Screen color (x device) on mac [message #86238 is a reply to message #86223]

Sun, 20 October 2013 09:58

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Lucas J. writes:

> I know this is a trivial question, but I can't find the answer anywhere. I'm running IDL 8.2 from the command line on a Mac. It's been forever since I made live screen plots on a Mac, and the color keeps coming up white on black. I've tried
>
> Device, Decomposed=0
>
> and loading several different color tables (and then starting new windows), but it always comes out the same. I could just make a PS plot using a pro file, but the live plots are better while in testing mode.

The simplest answer is to use Coyote Graphics to do your plotting. Then
you screen output will be identical to your PostScript output. In fact,
you will be able to create PostScript output (and from that high-quality
raster output) trivially (usually by simply using the OUTPUT keyword).
You can see examples of 60 some IDL plots using this technique here:

http://www.idlcoyote.com/gallery/index.html

You can learn more about Coyote Graphics here:

http://wwww.idlcoyote.com/graphics_tips/coyote_graphics.php

Cheers,

David

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

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