I've run into a case where the rendering in a line plot is incomplete
and some lines are not drawn at all. I submitted a question to
matplotlib-users with the same subject. Eric Firing responded that
this is a manifestation of the "infamous path simplification" bug,
which should be fixed in svn. However, the script below shows the
same problem for me using the current svn on CentOS-5 with python 2.6.
For my purposes setting path.simplify to False is fine but Eric
requested that I provide an example, so here it is:
import numpy
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
y = numpy.array([
4., 2., 2., 3., 3., 2., 2., 6., 6., 5., 5., 4., 4.,
7., 7., 2., 2., 4., 4., 2., 2., 2., 2., 4., 4., 4.,
4., 4., 4., 7., 7., 3., 3., 5., 5., 4., 4., 5., 5.,
4., 4., 7., 7., 6., 6., 2., 2., 2., 2., 5., 5., 4.,
4., 4., 4., 6., 6., 3., 3., 4., 4., 3., 3., 2., 2.,
3., 3., 4., 4., 4., 4., 4., 4., 6., 6., 5., 5., 4.,
4., 7., 7., 3., 3., 4., 4., 4., 4., 5., 5., 4., 4.,
7., 7., 3., 3., 4., 4., 4., 4., 6., 6., 4., 4., 4.,
4., 4., 4., 2., 2., 5., 5., 6., 6., 3., 3., 5., 5.,
4., 4., 0., 0., 5., 5., 1., 1., 4., 4., 5., 5., 4.])
plt.figure(figsize=(7,4))
plt.plot(y)
plt.savefig('test.png')
plt.xlim(-12000, 8274)
plt.savefig('test_panned.png')
- Tom
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