Le dimanche 06 février 2011 à 14:29 +0100, Laurent a écrit :
> If it can help, I have the following in a Sage terminal :
>
> sage: var('x,y')
> sage: F=implicit_plot(x**2+y**2==2,(x,-5,5),(y,-5,5),plot_points=100)
> sage: F.matplotlib()
> <matplotlib.figure.Figure object at 0xbfb60ac>
> sage: F.matplotlib().get_children()
> [<matplotlib.patches.Rectangle object at 0xc144e4c>,
> <matplotlib.axes.AxesSubplot object at 0xc14472c>]
>
> I really do not understand where is the data ??? In the Rectangle ? In
> the Axes ?
Your data are embedded in a Line2d object which is itself a child of an
Axes, itself child of the figure. Try:
Fig = F.matplotlib()
ax = Fig.get_axes()[0] # to get the first (and maybe only) subplot
line = ax.get_axes()[0]
xdata = line.get_xdata()
ydata = line.get_ydata()
--
Fabrice Silva
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