[IPython-dev] Testing matplotlib on IPython trunk

Gökhan Sever gokhansever@gmail....
Mon Sep 21 23:16:54 CDT 2009


On Tue, Sep 8, 2009 at 3:45 PM, Fernando Perez <fperez.net@gmail.com> wrote:

> Hey Gokhan,
>
> thanks for the summary.
>
> On Tue, Sep 8, 2009 at 12:45 PM, Gökhan Sever <gokhansever@gmail.com>
> wrote:
> > ### In a new IPython, these lines work --no locking after plt.show() "-a"
> > makes the difference.
> >
> > I[1]: import matplotlib.pyplot as plt
> >
> > I[2]: %gui -a qt
> > O[2]: <PyQt4.QtGui.QApplication object at 0x8fdceac>
> >
> > I[3]: plt.plot(range(10))
> > O[3]: [<matplotlib.lines.Line2D object at 0x9a2c84c>]
> >
> > I[4]: plt.show()
>
> If you do
>
> plt.ion()
>
> right after you import it, then you don't need to do 'show'
> explicitely anymore. Basically what today's '-pylab' does is:
>
> - a bunch of imports
> - the equivalent of %gui, but uglier and at startup
> - do plt.ion() for you
> - patch %run a little so it does ioff() before starting up and ion() at the
> end.
>
> As you can see, even now with trunk in the state of upheaval it is,
> you can get almost all of this back with this snippet.  This is pretty
> much what we'll make available built-in when the dust settles (with
> the 'import *' being optional, as they are today):
>
>

It's a very late reply but I am wondering how to make these appear in the
Ipy dev loaded into the session but not visible to a whos listing?

Thanks.



> %gui -a qt
>
> import numpy as np
> import matplotlib.pyplot as plt
> import matplotlib.pylab as pylab
> import matplotlib.mlab as mlab
>
> from numpy import *
> from matplotlib.pyplot import *
>
> plt.ion()
>
>
> ### END CODE
>
> Cheers,
>
> f
>



-- 
Gökhan
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