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Re: plotting vectors in 3D [message #22363 is a reply to message #22277]

Mon, 06 November 2000 00:00

John-David T. Smith is currently offline

John-David T. Smith
Messages: 384
Registered: January 2000

Senior Member

M Carmen Gonzalez wrote:
>
> Dear all,
>
> I am new in IDL programming and I'm still a bit lost, so may be some of you
> can help me...
>
> I am trying to plot the measured wind speed (2 components) by a balloon in
> vertical ascension. At each point of the trajectory i want to plot a vector
> indicating the wind direction at that point.
>
> Does someone know how could I do it?
>
> Thanks a lot,
>
> Mï¿½ Carmen

You might look at
http://www.astro.washington.edu/deutsch-bin/getpro/library09 .html?VECFLD
for inspiration. I always search for routines there first before
setting out into the darkest days of snow-blinded wandering through the
dense forest of IDL graphics. I also found
http://www.colorado.edu/ITS/docs/scientific/idl/idlvf.html, with a bonus
Runge-Kutta integrator built in. Oh my. Not very advanced though.

In any case, if you take David's advice and spend the better part of the
next year coding up a generic OG 3-D vector field plotter, look at
http://www.math.armstrong.edu/mmacalc/gallery/vecfld.gif for
motivation. I especially like the 3-D arrow tips.

JD

--
J.D. Smith | WORK: (607) 255-6263
Cornell Dept. of Astronomy | (607) 255-5842
304 Space Sciences Bldg. | FAX: (607) 255-5875
Ithaca, NY 14853 |

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[Message index]

		plotting vectors in 3D By: M Carmen Gonzalez on Fri, 03 November 2000 04:05
		Re: plotting vectors in 3D By: Mark Hadfield on Mon, 06 November 2000 13:15
		Re: plotting vectors in 3D By: Pavel A. Romashkin on Mon, 06 November 2000 00:00
		RE: plotting vectors in 3D By: davidf on Mon, 06 November 2000 00:00
		RE: plotting vectors in 3D By: M Carmen Gonzalez on Mon, 06 November 2000 00:00
		Re: plotting vectors in 3D By: davidf on Mon, 06 November 2000 00:00
		Re: plotting vectors in 3D By: John Boccio on Mon, 06 November 2000 00:00
		Re: plotting vectors in 3D By: John-David T. Smith on Mon, 06 November 2000 00:00
		Re: plotting vectors in 3D By: Martin Schultz on Mon, 06 November 2000 00:00
		Re: plotting vectors in 3D By: davidf on Mon, 06 November 2000 00:00

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