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Re: Arrows in IDL [message #4079 is a reply to message #4006]

Tue, 25 April 1995 00:00

larkum
Messages: 21
Registered: May 1993

Junior Member

In article tha@news.doit.wisc.edu, VUKOVIC@uwmfe.neep.wisc.edu (Mirko Vukovic) writes:
> Hi
>
> I got some plots with IDL, and I would like to draw some arrows on them
> to point things out, or ... Ideally, the arrows could be curved.
> I was thinking using a technique like Bezier interpolation where one
> gives the two endpoints and with a third point controls the amount of
> curvature of the line.
>
> Any pointers to a library of such things?
>
> many thanks,
>
> Mirko

The JHUAPL library (nansen.jhuapl.edu) has a routine called ANN for
adding annotations written by Ray Sterner. That can do arrows but
not bezier ones. I've written a routine to make bezier curves but
not arrows, which you can have if you'd like to play around with that.

Matthew.

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		Arrows in IDL By: VUKOVIC on Fri, 21 April 1995 00:00
		Re: Arrows in IDL By: larkum on Tue, 25 April 1995 00:00

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