On 16 Apr 2012 22:31, "Damon McDougall" <d.mcdoug...@warwick.ac.uk> wrote: > > Hi Kacper, > > Just to be clear, is it tri.Triangulation(x, y) that hangs, or is it plt.tricontour(…)?
It's plt.tricontour that hangs, tri.Triangulation properly issues warning about duplicates. Cheers, Kacper > -- > Damon McDougall > d.mcdoug...@warwick.ac.uk > http://damon.is-a-geek.com > B2.39 > Mathematics Institute > University of Warwick > Coventry > West Midlands > CV4 7AL > United Kingdom > > On Monday, 16 April 2012 at 14:28, Kacper Kowalik wrote: >> >> Hi, >> I haven't been able to pin point it exactly but following script: >> >> import matplotlib.pyplot as plt >> import matplotlib.tri as tri >> import numpy as np >> from numpy.random import uniform, seed >> >> seed(0) >> npts = 200 >> x = uniform(-2,2,npts) >> y = uniform(-2,2,npts) >> z = x*np.exp(-x**2-y**2) >> >> y[1:3] = x[0] # 4 or more duplicate points make tricontour hang!!! >> x[1:3] = y[0] >> triang = tri.Triangulation(x, y) >> plt.tricontour(x, y, z, 15, linewidths=0.5, colors='k') >> >> plt.show() >> >> >> causes infinite loop in _tri.so. It happens in matplotlib-1.1.0 as well >> as git HEAD. >> I understand that my input is not exactly valid, but I'd rather see MPL >> die than occupy my box for eternity ;) >> Best regards, >> Kacper >> ------------------------------------------------------------------------------ >> For Developers, A Lot Can Happen In A Second. >> Boundary is the first to Know...and Tell You. >> Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! >> http://p.sf.net/sfu/Boundary-d2dvs2 >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users > >
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