Add "blit=False" in the instantiation for multicursor to get around the
copy_from_bbox issue.
I wonder if the use of fig.axes might be a problem?
On Jan 20, 2016 2:27 PM, "Bilheux, Jean-Christophe" <bilheu...@ornl.gov>
wrote:
> HI all,
>
> I wanted to help (for a change) but running the script on mac (with the
> multi cursor code commented out), I got the following error. If anyone can
> figure out why !
>
> File
> "/Users/j35/anaconda/lib/python3.4/site-packages/matplotlib/widgets.py",
> line 1046, in clear
> self.canvas.copy_from_bbox(self.canvas.figure.bbox))
> AttributeError: 'FigureCanvasMac' object has no attribute ‘copy_from_bbox'
>
> I’m using python 3.4 and matplotlib 1.4.3
>
> Thanks
>
> Jean
>
>
>
> > On Jan 20, 2016, at 1:26 PM, Michael Kaufman <kaufma...@ornl.gov> wrote:
> >
> > Hi Gurus:
> >
> > I'm having a serious problem with MultiCursor and autoscaling...
> >
> > If I do the code below with both MultiCursor instantiations commented
> out, then all plots are xscaled to [50,55] and yscaled to each plot's
> appropriate ylimits.
> >
> > If I uncomment the top MultiCursor instantiation, then both the xlimits
> and ylimits are screwed up: xlim=[0,60] and ylim is all over the place,
> certainly not autoscaled tight.
> >
> > If I uncomment the bottom MultiCursor instantiation, then the xlimit
> appears to be scaled correctly, [50,55], but two of the four plots (lower
> left and upper right) are not autoscaled in y.
> >
> > How to I instantiate MultiCursor to get the normal and expected
> autoscaling behavior?
> >
> > Not that it should matter, but I'm using here Tk and Python3 with MPL
> 1.5dev1 (91ca2a3724ae91d28d97)
> >
> > Thanks for any help,
> >
> > M
> >
> > =============
> >
> > from matplotlib import pyplot as pl
> > from matplotlib.widgets import MultiCursor
> > from matplotlib import gridspec
> > import numpy as np
> >
> > if __name__ == "__main__":
> >
> > fig = pl.gcf()
> > gs = gridspec.GridSpec(2,2)
> >
> > ax = None
> > for g in gs:
> > ax = pl.subplot(g, sharex=ax)
> >
> > #multi = MultiCursor(fig.canvas, tuple(fig.axes),
> > # useblit=True, horizOn=True, color='k', lw=1)
> >
> > x = np.arange(50,55,0.01)
> > y1 = np.sin(x)
> > y2 = np.cos(x) + 4
> > y3 = 0.2*np.cos(x) - 4
> > y4 = np.cos(2*x) - 1
> >
> > for ax,y in zip(fig.axes, [y1,y2,y3,y4]):
> > ax.plot(x,y)
> >
> > for ax in fig.axes:
> > ax.grid()
> >
> > #multi = MultiCursor(fig.canvas, tuple(fig.axes),
> > # useblit=True, horizOn=True, color='k', lw=1)
> >
> > pl.draw()
> > pl.show()
> >
> <multicursor_limtest.py>------------------------------------------------------------------------------
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