On Tue, Jun 9, 2009 at 5:17 PM, Steve
Nicholes<emailaddress_...@yahoo.com> wrote:

> I am writing some code for automated testing via GPIB using MPL and PyQt.
> To simulate automated data collection while debugging the program, I have
> added a for loop (see below) after reading in a data file that plots each
> point one by one.  When I run the program in Linux, I see each point appear
> on the canvas one by one as designed, but when I run the same code in
> Windows, nothing shows up on the canvas during the for loop.  Instead, once
> the loop has completed, all points appear simulataneously.  Is there any
> reason the why calls to canvas.draw() show nothing when run in Windows?  I'm
> really lost on this one and would appreciate it someone can tell me what I'm
> doing wrong.  If you need more info on what I'm doing, please let me know.

It would help if we could see the whole program.  Ie, I assume this is
a pure qt app with no import of pyplot/pylab, but w/o seeing any code
I cannot be sure.  Also, check the qt examples at

  http://matplotlib.sourceforge.net/examples/animation/index.html

and see if they work on windows.  If so, perhaps you can borrow
inspiration from them.  If not, perhaps we need to do something
different for qt/windows animation.

JDH

JDH

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