Re: [Matplotlib-users] Using object oriented interface in interactive mode?

[Benjamin R. <ben...@ou...>]

On Sunday, August 5, 2012, Nikolaus Rath wrote:

> Hello,
>
> The following code shows the plot right away as expected:
>
> # python
> Python 2.7.3rc2 (default, Apr 22 2012, 22:30:17)
> [GCC 4.6.3] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import matplotlib
> >>> matplotlib.__version__
> '1.1.1rc2'
> >>> import matplotlib.pyplot as plt
> >>> plt.interactive(True)
> >>> plt.plot(range(10))
> [<matplotlib.lines.Line2D object at 0x2ce7790>]
>
>
> This, however, opens a window but the graph never shows up:
>
> # python
> Python 2.7.3rc2 (default, Apr 22 2012, 22:30:17)
> [GCC 4.6.3] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import matplotlib.pyplot as plt
> >>> plt.interactive(True)
> >>> fig = plt.figure()
> >>> ax = fig.add_subplot(1,1,1)
> >>> ax.plot(range(10))
> [<matplotlib.lines.Line2D object at 0x3055d90>]
> >>>
>
> Does interactive mode only apply to the plot commands in pyplot?
>
> Is there a method I can call in this case to "refresh" the window and
> show the plot?
>
> For seem reason, calling plt.axes() has the desired effect, but this is
> probably a side effect that I really should not rely on, right?
>
>
> Thanks!
>
>    -Nikolaus


Correct, I think you want plt.draw().

Cheers!
Ben Root