| Re: vector overplot [message #11801] |
Tue, 26 May 1998 00:00 |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Thierry Wannier (wannier@pyl.unibe.ch) writes:
> I want to overplot n vectors of m points forming a matrix a(m,n).
> I first used a loop of the type
> plot, a(*,0)
> for i = 1,n do oplot, a(*,i)
> It does function but I was looking for a more rapid way without a FOR
> loop.
> Does someone propose an elegant way to get this overplot?
I think you are stuck with some kind of loop here. If the
issue is that it just *appears" slow, you can always try
the trick of drawing the data to an off screen pixmap while
the user is distracted with something else. Then blast the
pixmap over with Device Copy. *That's* pretty fast. :-)
Cheers,
David
-----------------------------------------------------------
David Fanning, Ph.D.
Fanning Software Consulting
E-Mail: davidf@dfanning.com
Phone: 970-221-0438
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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