It looks like you're hitting the well-known bug in the path
simplification algorithm. You can turn it off be setting the
"path.simplify" rcParam to False. (Or you can upgrade to SVN where this
has been fixed...)
Mike
da...@wemeasureit.com wrote:
> I'm plotting 50,000 data point signal as a line plot to the standard
> matplotlib window and scaling the axis to the maximum value of the signal.
> Depending on the size of the matplotlib window, the displayed graph
> changes both the number of displayed peaks and their amplitude. Can anyone
> help me correctly display the data. ( do I need to turn off some
> smoothing control which reduces the number of points actually displayed?)
> here's the plot function:
>
> def plotsig(sig):
> plt.cla()
> plt.plot(sig[:,0],sig[:,1])
>
> plt.axis([np.min(sig[:,0]),np.max(sig[:,0]),np.min(sig[:,1]),np.max(sig[:,1])])
> plt.savefig('sig.png')
> plt.show()
>
> Two fig attached.
> thanks for any help
>
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--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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