I noticed that in another post and did try that but the behavior was the
same.
martin.
On Fri, Nov 12, 2010 at 9:14 AM, Ryan May <rma...@gmail.com> wrote:
> On Thu, Nov 11, 2010 at 9:41 PM, Martin Bures <needemesle...@gmail.com>
> wrote:
> > I am having a little issue with the matplotlib.widgets RectangleSelector.
> > The behavior is that the first time I try to select a region, no
> rectangle
> > draws. All subsequent uses work correctly.
> >
> > Here is how I am calling:
> > if self.zoomMode:
> > if self.canvas.widgetlock.locked():
> > self.canvas.widgetlock.release( self.lasso )
> >
> > RectangleSelector( self.ax,
> > self._zoom_callback,
> > drawtype='box',
> > minspanx=5, minspany=5,
> > spancoords='pixels' )
> > else:
> > if self.canvas.widgetlock.locked():
> > self.canvas.widgetlock.release( self.lasso )
> >
> > if event.inaxes is None: return
> >
> > self.lasso = Lasso( event.inaxes,
> > ( event.xdata, event.ydata ),
> > self._selection_callback )
> > self.canvas.widgetlock( self.lasso )
> >
>
> This could be another instance of a problem resulting from our changes
> to how references are taken for callbacks. Try saving the
> RectangleSelector you create (I'm just guessing here):
>
> self.rs = RectangleSelector( self.ax,
> self._zoom_callback,
> drawtype='box',
> minspanx=5, minspany=5,
> spancoords='pixels' )
>
> Ryan
>
> --
> Ryan May
> Graduate Research Assistant
> School of Meteorology
> University of Oklahoma
>
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