| Re: Greek and other Symbols in Coyote Graphics [message #81088 is a reply to message #80966] |
Wed, 08 August 2012 03:46  |
ameigs
Messages: 12
Registered: March 2009
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Junior Member |
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On Saturday, July 28, 2012 12:12:38 AM UTC+1, David Fanning wrote:
> David Fanning writes:
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>
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>> This morning it occurred to me that I can use the same
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>> "escape sequences" used by Function Graphics to specify
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>> symbols in my Coyote Graphics routines. These escape
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>> sequences prepend a "$\" to the symbol you want to
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>> call with cgSymbol, and append a closing "$".
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>>
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>> So, here is the clunky way a cgPlot command would have to be
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>> constructed currently to display properly in a cgWindow
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>> and in an output file with a mu and angstrom symbol:
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>>
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>> cgPlot, cgDemoData(1), /Window, $
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>> XTitle='Length (' + cgSymbol('mu') + M)', $
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>> YTitle='Distance (' + cgSymbol('Angstrom') + ')', $
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>> ALT_KEYWORDS={xtitle:'Length (' + cgSymbol('mu', /PS) + M)', $
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>> ytitle:'Distance ('+ cgSymbol('Angstrom', /PS)+')'}
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>>
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>> And here is the new way to do this:
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>>
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>> cgPlot, cgDemoData(1), /Window, $
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>> XTitle='Length ($\mu$M)', $
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>> YTitle='Distance ($\Angstrom$)'
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>>
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>> Quite a bit simpler, yes? :-)
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> I have now updated all the graphics routines in the Coyote
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> Library to take advantage of this method of specifying
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> Greek characters and other symbols.
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> Update your SVN code repository, or download the latest
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> version of the library from the code repository page:
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> http://idl-coyote.googlecode.com/
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>
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> Or, from here:
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> http://www.idlcoyote.com/programs/zip_files/coyoteprograms.z ip
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> Cheers,
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> David
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> --
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> David Fanning, Ph.D.
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> Fanning Software Consulting, Inc.
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> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
>
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
Excellent David. Now how about subscripts and superscripts? Or is that already taken care of?
Andy
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