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Re: How to link one point after the other by an arrow in a graph(in PLOT)? [message #69642]

Thu, 28 January 2010 03:59

Wout De Nolf
Messages: 194
Registered: October 2008

Senior Member

Use IDL's ARROW procedure?

On Thu, 28 Jan 2010 03:31:13 -0800 (PST), china_108
<cxini108@gmail.com> wrote:

> I need to link different ponts together in a graph but instead of
> linking them bu a line, I need to use an arrow to indicate the
> sequence of the points. For example, for point 1(x=2,y=4), point 2
> (x=3,y=5) and point 3(x=1,y=7), I need a line with an arrow in the
> head to link point 1 and point 2 and then I need another line with an
> arrow to link point 2 to point 3. I don't know how I can make such
> arrow.
>
> In case I didn't explain clearly, here is what I want. Please not that
> the arrow is misplaced.
> ^point 2
> / \
> / \
> point 1/ \ >point 3
>
> instead of
>
> point 2
> / \
> / \
> point 1/ \ point 3

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