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Re: How to draw the 'tau' symbol [message #74145]

Tue, 21 December 2010 06:47

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Fermiona Fermiona writes:

> Is there a way to draw/type the 'Tau' symbol in IDL. I need it as a
> label for the x-axis of a plot.

Here you go. Make sure you get to the bottom of the
page. :-)

http://www.dfanning.com/ps_tips/greeksym.html

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: How to draw the 'tau' symbol [message #74147 is a reply to message #74145]

Tue, 21 December 2010 06:27

natha
Messages: 482
Registered: October 2007

Senior Member

Yes !

Using the X device, change the font to use greek symbols, then use the
octal value of tau and then return to the default selected font.
tau=!4+STRING("163B)+!X

David fannig has a great article explaining that:
http://www.dfanning.com/ps_tips/greeksym.html

Note that if you want to save your plot in a PostScript you should use
the symbol font and a different octal value.

Cheers,
nata

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