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Re: Plot an arrow in 2.9.12+?


From: David Bateman
Subject: Re: Plot an arrow in 2.9.12+?
Date: Wed, 18 Jul 2007 16:50:11 +0200
User-agent: Thunderbird 1.5.0.7 (X11/20060921)

Peter Gustafson wrote:
> Hi,
>
> What is the best way to plot an arrow in 2.9.12?  Is there a way to
> directly access the arrow tool (set arrow...) in gnuplot?  I've not had
> success... has anybody else tried or is this a feature that still needs
> to be implemented.
>
> As a secondary question... What role does __gnuplot_raw__ or
> __gnuplot_set__ play in the current plot implementation?  They don't
> seem to do much if anything.  Have they basically gone away? 
>
> Thanks in advance,
>
> Pete
>
>   
If we had a way of using "arrows" we'd have the quiver function
implemented :-( .. We don't have it in 2.9.12 and the octave-forge
version is very gnuplot specific... However, I believe the octplot
version of quiver might give you what you are after..

__gnuplot_raw__ and __gnuplot_set__ still exist, but don't mix them and
other graphics as you are bypassing all the handle graphics code..

D.



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