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Text in plots [message #16940]

Fri, 27 August 1999 00:00

Alberto Verga
Messages: 3
Registered: April 1999

Junior Member

Is there a simple way to write greek symbols and subscripts in the
titles and labels of a plot?
Something like:

plot, y, xtitle='\omega_t',ytitle='r^2/\alpha'

Thanks,

--
Alberto Verga - verga@marius.univ-mrs.fr
Institut de Recherche sur les Phï¿½nomï¿½nes Hors Equilibre.
12, av. Gï¿½nï¿½ral Leclerc, 13003 Marseille, France.
Tel: 33 (0) 4 91 64 44 76 - Fax 33 (0) 4 91 08 16 37

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Re: Text in Plots [message #53490 is a reply to message #16940]

Wed, 18 April 2007 09:27

Marshall Perrin
Messages: 44
Registered: December 2005

Member

David Fanning <news@dfanning.com> wrote:
> Something is seriously wrong with you. Please turn in your
> computer science credentials immediately!

Hey, I'm an astrophysicist. I don't think we're allowed to have
any real computer science credentials. :-)

(Well, apart from a few notable exceptions like J.D., whose very
impressive CUBISM IRS-spectral-cube-building application just saved
me untold hours of work last night. But I, sadly, am mostly
just another one of the great unwashed masses of scientists who can only
dream of someday writing code like that.)

- Marshall

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Re: Text in Plots [message #53519 is a reply to message #16940]

Tue, 17 April 2007 04:51

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Marshall Perrin writes:

> Actually learning IDL format codes would require more brain storage
> than I have left available. :-)

You've got to be kidding me! You don't think '!6!sA!r!u!9 %!6!n'
is a simple way to create an angstrom sign!?

http://www.dfanning.com/misc_tips/angstrom.html

Something is seriously wrong with you. Please turn in your
computer science credentials immediately!

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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Re: Text in Plots [message #53520 is a reply to message #16940]

Tue, 17 April 2007 00:45

Marshall Perrin
Messages: 44
Registered: December 2005

Member

David Fanning <news@dfanning.com> wrote:
> ebertf@gmx.de writes:
>
>> I would like to know if it is possible to show more compilcated Texts
>> in XTITLE or YTITLE with the PLOT procedure, or any other Texts
>> associated with plots (title, annotations)
>> For example texts with subscipts or mixed fonts like greek letters:
>> like T_alpha
>> The simple fonts are not enough to make nice printouts....
>
> Um, yes:
>
> IDL> ? format codes
>
> Look for the "embedded in IDL strings" section.

Also do a web search for the 'textoidl' package if you want a
more user-friendly solution than the default format codes.
E.g. "!7m!X F!D!7m!X!N" vs. textoidl('\nu F_\nu')

Actually learning IDL format codes would require more brain storage
than I have left available. :-)

- Marshall

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Re: Text in Plots [message #53526 is a reply to message #16940]

Mon, 16 April 2007 10:25

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

ebertf@gmx.de writes:

> I would like to know if it is possible to show more compilcated Texts
> in XTITLE or YTITLE with the PLOT procedure, or any other Texts
> associated with plots (title, annotations)
> For example texts with subscipts or mixed fonts like greek letters:
> like T_alpha
> The simple fonts are not enough to make nice printouts....

Um, yes:

IDL> ? format codes

Look for the "embedded in IDL strings" section.

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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Re: Text in Plots [message #53589 is a reply to message #53490]

Wed, 18 April 2007 10:41

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Marshall Perrin writes:

> (Well, apart from a few notable exceptions like J.D., whose very
> impressive CUBISM IRS-spectral-cube-building application just saved
> me untold hours of work last night. But I, sadly, am mostly
> just another one of the great unwashed masses of scientists who can only
> dream of someday writing code like that.)

Yeah, and I have an idea that JD wishes he was *paid* for
those untold hours of work he has saved all of us over
the years. :-)

Cheers,

David

P.S. Not that public acknowledgement doesn't help, but
it just doesn't, you know, pay the tuition bills. :-)

--
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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