If you're like me and what you want is just an arrow mark with its
head at (x,y), you may use scatter() with custom verts.
arrowup_verts = [[0.,0.], [-1., -1], [0.,0.], [0.,-2.],[0.,0.], [1, -1]]
arrowdown_verts = [[0.,0.], [-1., 1], [0.,0.], [0.,2.],[0.,0.], [1, 1]]
scatter([1.],[1.], s=100, marker=None,
verts=arrowup_verts)
scatter([1],[1.1], s=100, marker=None,
verts=arrowdown_verts)
-JJ
On Thu, Jul 31, 2008 at 9:41 AM, Antonino Cucchiara
<[EMAIL PROTECTED]> wrote:
> Hi,
> I have some graphs with lower and upper limits. I found a couple of
> ideas online, but nothing like "plotting symbols" like arrows.
> I am using the mathtex upperarrow symbol but it is quite unconfortable
> positioning the tex character in the righ X-Y position.
> Do you know if there is an easier way to plot arrows as "markers"?
>
> Thanks,
> Nino
>
> --
>
> Antonino Cucchiara
> PhD candidate
> Department of Astronomy&Astrophysics
> Penn State University
> website: www.astro.psu.edu/~cucchiara/
>
>
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