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Hello again,
I found that the crash is a PySide 1.1.0 bug: https://groups.google.com/forum/?fromgroups#!topic/pyside/dNSzyupTFMU
It seems to be fixed in newer versions of PySide. Until I get it packaged on my ubuntu I have to change my code like this:
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as _NavigationToolbar
from matplotlib.backends.backend_qt4 import cursord
from PySide.QtGui import QWidget, QVBoxLayout, QApplication, QCursor
class NavigationToolbar(_NavigationToolbar):
 def set_cursor( self, cursor ):
 QApplication.restoreOverrideCursor()
 qcursor = QCursor()
 qcursor.setShape(cursord[cursor])
 QApplication.setOverrideCursor( qcursor )
----- Mail original -----
De: "julien parc" <jul...@fr...>
À: mat...@li...
Envoyé: Dimanche 15 Juillet 2012 12:07:33
Objet: [Matplotlib-users] core dumped using NavigationToolbar with PySide
Hello,
I think I found a bug using NavigationToolbar with Pyside.
******** my system ********
OS: ubuntu 12.04
`uname -a`: Linux parcouss-M720T-M730T 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14 16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
matplotlib version: 1.1.1rc (ubuntu distribution package)
PySide version: 1.1.0 (ubuntu distribution package)
******** how to reproduce the bug ********
Here is a simple script to get the core dumped crash:
import matplotlib
matplotlib.use('Qt4Agg')
matplotlib.rcParams['backend.qt4']='PySide'
from matplotlib.figure import Figure
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar
from PySide.QtGui import QWidget, QVBoxLayout , QApplication
import sys
class Main(QWidget):
 def __init__(self):
 QWidget.__init__(self)
 self.setLayout(QVBoxLayout())
 self.canvas = FigureCanvas(Figure())
 self.toolbar = NavigationToolbar(self.canvas, self)
 self.layout().addWidget(self.toolbar)
 self.layout().addWidget(self.canvas)
if __name__ == '__main__':
 app = QApplication(sys.argv)
 m = Main()
 m.show()
 app.exec_()
It may be relative to a mousemoveent, as it does not
crash until I move the mouse on the window.
Julien Pages
BTW: thanks to the really great matplotlib framework :)
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Hello,
I think I found a bug using NavigationToolbar with Pyside.
******** my system ********
OS: ubuntu 12.04
`uname -a`: Linux parcouss-M720T-M730T 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14 16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
matplotlib version: 1.1.1rc (ubuntu distribution package)
PySide version: 1.1.0 (ubuntu distribution package)
******** how to reproduce the bug ********
Here is a simple script to get the core dumped crash:
import matplotlib
matplotlib.use('Qt4Agg')
matplotlib.rcParams['backend.qt4']='PySide'
from matplotlib.figure import Figure
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar
from PySide.QtGui import QWidget, QVBoxLayout , QApplication
import sys
class Main(QWidget):
 def __init__(self):
 QWidget.__init__(self)
 self.setLayout(QVBoxLayout())
 self.canvas = FigureCanvas(Figure())
 self.toolbar = NavigationToolbar(self.canvas, self)
 self.layout().addWidget(self.toolbar)
 self.layout().addWidget(self.canvas)
if __name__ == '__main__':
 app = QApplication(sys.argv)
 m = Main()
 m.show()
 app.exec_()
It may be relative to a mousemoveent, as it does not
crash until I move the mouse on the window.
Julien Pages
BTW: thanks to the really great matplotlib framework :)

got it, thanks.
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View this message in context: http://old.nabble.com/axes3d%2C-initial-azimuth-and-elevation-tp34161970p34162843.html
Sent from the matplotlib - users mailing list archive at Nabble.com.

On Saturday, July 14, 2012, gsal wrote:
>
> So, I have
>
> [code]
>
> from mpl_toolkits.mplot3d import axes3d
> fig = plt.figure(figsize=(10,7))
> ax = fig.gca(projection='3d')
> ax.scatter(xs, ys, zs, c='r')
> plt.show()
>
> [/code]
>
> but when the figure first comes up, it is not to my liking; when I
> interactively (with the mouse) move it around to my liking, the lower right
> corner of the window displays: "azimuth=20 deg, elevation=35 deg...
>
> ...how can I achieve my desired azimuth, elevation from the beginning? is
> it
> possible to set it up? I search the on-line docs and found nothing.
>
> thanks,
>
> gsal
Yes, it is possible. You can use the view_init() method of your axes
object.
Ben Root