Oops, you are correct. Copy-paste error. I did actually see the blinking boxes
with the TkAgg backend.
Jeroen
On 13 Mar 2014, at 16:08, Joe Kington <joferking...@gmail.com> wrote:
> That should be `matplotlib.use('TkAgg')`, not "Agg". Agg is a non-interactive
> backend, while TkAgg is an interactive Tkinter wrapper around the Agg backend.
>
>
> On Thu, Mar 13, 2014 at 9:53 AM, Jeroen Hegeman <jeroen.hege...@gmail.com>
> wrote:
> Hi Christophe,
>
> This is (I think) a known limitation of the OS X backend. One way around this
> is to use another backend. Which backends are available depends on how your
> matplotlib was built. (And unfortunately I don’t know how to figure out which
> ones are available, apart from trying.) In my case (matplotlib from homebrew
> on OS X 10.9.2) the TkAgg backend works.
>
> To use the TkAgg backend insert these two lines:
> import matplotlib
> matplotlib.use('Agg’)
> before the line
> import matplotlib.pyplot as plt
>
> I hope that helps.
>
> Best regards,
> Jeroen
>
>
> On 13 Mar 2014, at 15:33, Christophe Bal <projet...@gmail.com> wrote:
>
> > Hello,
> > I'm a little disappointed by the following test program coming from this
> > post.
> >
> > What are the technical reasons that make fail the following code under Mac
> > O$ ?
> >
> > Best regards.
> > Christophe BAL
> >
> > ---- TEST ---
> >
> > from random import randint,
> > choice
> >
> > import
> > time
> >
> > import matplotlib.pyplot as
> > plt
> >
> > import matplotlib.patches as
> > mpatches
> >
> > back_color
> > = "black"
> >
> > colors
> > = ['red', 'green', 'cyan', 'yellow']
> >
> > width
> > , height = 16, 16
> >
> >
> > fig
> > , ax = plt.subplots()
> >
> > ax
> > .set(xlim=[0, width], ylim=[0, height]) # Or use "ax.axis([x0,x1,y0,y1])"
> >
> >
> >
> > # Be sure to draw the canvas once before we start blitting. Otherwise
> > # a) the renderer doesn't exist yet, and b) there's noting to blit onto
> >
> > fig
> > .canvas.draw()
> >
> >
> >
> > def update():
> >
> > x
> > = randint(0, width - 1)
> >
> > y
> > = randint(0, height - 1)
> >
> >
> > rect
> > = mpatches.Rectangle(
> >
> >
> > (x, y), 1, 1,
> >
> > facecolor
> > = choice(colors),
> >
> > edgecolor
> > =
> > back_color
> >
> > )
> >
> > ax
> > .add_artist(rect)
> >
> >
> > start
> > = time.time()
> >
> > ax
> > .draw_artist(rect)
> >
> > fig
> > .canvas.blit(ax.bbox)
> >
> >
> > print("draw >>>", time.time() - start)
> >
> >
> > timer
> > = fig.canvas.new_timer(interval=1)
> >
> > timer
> > .add_callback(update)
> >
> > timer
> > .start()
> >
> >
> > plt
> > .show()
> > ------------------------------------------------------------------------------
> > Learn Graph Databases - Download FREE O'Reilly Book
> > "Graph Databases" is the definitive new guide to graph databases and their
> > applications. Written by three acclaimed leaders in the field,
> > this first edition is now available. Download your free book today!
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>
>
> ------------------------------------------------------------------------------
> Learn Graph Databases - Download FREE O'Reilly Book
> "Graph Databases" is the definitive new guide to graph databases and their
> applications. Written by three acclaimed leaders in the field,
> this first edition is now available. Download your free book today!
> http://p.sf.net/sfu/13534_NeoTech
> _______________________________________________
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--
Jeroen Hegeman
jeroen DOT hegeman AT gmail DOT com
WARNING: This message may contain classified information. Immediately burn this
message after reading.
------------------------------------------------------------------------------
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and their
applications. Written by three acclaimed leaders in the field,
this first edition is now available. Download your free book today!
http://p.sf.net/sfu/13534_NeoTech
_______________________________________________
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