Eric,
I installed mpl from git ("git clone
git://github.com/matplotlib/matplotlib.git", unless I was suppose to use
one of the branches) and same problem. I looked at my code again and
thought there should be a canvas.draw() before calling
"c.copy_from_bbox(a.bbox)", but still the same problem. However, I did
have it work the first time I added "c.draw()" and used the git mpl, and
by work I mean that everything stayed visible on the figure.
When people start coming in to my work I'll ask them to run my sample
code and see what happens. It almost seems like mpl is handling the
window activation event funny, is there an easy way to print out the
callbacks being used by a mpl figure? For now, I will subclass
QApplication, and implement "notify()" to print out events as they come
in, but still...this is just weird. Thanks.
-Dave
On 12/14/11 10:30 PM, Eric Firing wrote:
> David,
>
> It works for me on linux with mpl from git. I haven't tried to figure
> it out, but it is conceivable that the problem you are seeing was fixed
> with this:
>
> commit b624546ae60dc5878e75a32f41a160d383548b8f
> Author: Eric Firing<[email protected]>
> Date: Tue Oct 18 08:06:21 2011 -1000
>
> backend_qt4agg: draw() immediately calls FigureCanvasAgg.draw()
>
> This is the latest in a series of modifications to the Qt4Agg
> drawing strategy going back several years. It simplifies the
> code and should solve the problem introduced in 6938b0025; that
> is, delaying the Agg draw operation until the paintEvent breaks
> code expecting that draw operation to have occurred immediately.
> The problem was reported here:
> http://sourceforge.net/mailarchive/message.php?msg_id=28245744
>
> Eric
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