| Re: plot tangentail vector [message #58031] |
Sun, 13 January 2008 06:05  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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nakisa writes:
> I need plot on each (x,y) a tangentail vector with known magnitude , I
> have a file with three columns , x ,y , A.
> where A is the magnitude of vector .
> can anybody help me ?
You might be able to figure out how to make ARROW work.
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: plot tangentail vector [message #58082 is a reply to message #58031] |
Tue, 15 January 2008 20:47  |
nakisa
Messages: 24
Registered: June 2007
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Junior Member |
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Hi
Arrow ,as far as I understand , give initial and final point and draw
a vector. My case is different. I have the initial point and want to
draw a tangential vector !so I can't use Arrow for this aim.
Nakisa
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