On Thu, Mar 26, 2009 at 9:59 AM, Sandro Tosi <mo...@debian.org> wrote:
> Hi Jae-Joon,
> thanks for the reply.
>
> On Thu, Mar 26, 2009 at 02:51, Jae-Joon Lee <lee.j.j...@gmail.com> wrote:
> > You need to adjust the keyword arguments, such as head_width, etc. The
>
> But shouldn't the default arrow be a little bit "nicer" than it's now? :)
>
> > arrow command itself is poorly documented and its keyword arguments
> > are explained in
> > matplitlib.patches.FancyArrow.
>
> Ah, that's why even in pyploy.arrow() I could'nt find eny reference to
> head_width & friends. In case I have some time to share on improve
> arrow() docs, what docs should I look to? and changing
> 'doc/api/pyplot_api.rst' is the right place to achieve it?
>
> > However, I recommend you to use
> > annotate command instead of arrow (you can give empty string if you
> > just need an arrow). For example,
> >
> > annotate("", (0.2, 0.2), (0.4, 0.4),
> > arrowprops=dict(arrowstyle="->"))
> >
> > more examples,
> >
> >
> http://matplotlib.sourceforge.net/examples/pylab_examples/annotation_demo.html
> >
> http://matplotlib.sourceforge.net/examples/pylab_examples/annotation_demo2.html
>
> I already treated annotation, but I would like to give the readers (of
> the book) a much wider toolbox, so introducing bare arrows after
> annotations seems straigthforward.
Have you seen the arrow and fancy arrow demos
http://matplotlib.sourceforge.net/examples/pylab_examples/arrow_demo.html
http://matplotlib.sourceforge.net/examples/pylab_examples/fancyarrow_demo.html
Both of these use older and less sophisticated arrows that JJ's
FancyArrowPatch
http://matplotlib.sourceforge.net/api/artist_api.html?highlight=fancyarrowpatch#matplotlib.patches.FancyArrowPatch
so perhaps the best thing for you to do would be to write an example using
the FancyArrowPatch directly.
JDH
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