[Matplotlib-devel] 2017-02-13 phone call notes

[Thomas Caswell]

Folks,

Continuing to experiment with exactly how to do these notes

Ryan May, Eric Firing, Thomas Caswell, Nelle Varoquaux

** [[mpl:8032]]

 - Nelle suggests we replace dots with _actually_ dotted (round dots)
 - Eric points out it was never super dotted

Conclusions:

 - get rid of clipping
 - make the 'dotted' pattern square
 - adjust the rest of the patterns to scale for dropping clipping
 - make sure all default patterns are commensurate (2 '--' to 4 ':' to 1
'-.')

Other comments

 - merge the loosening of the `grid.linestyle` rcparam to accept dash
patterns for 2.0.1
 - merge the 'loose' version of patterns for 2.1
 - can get 'true dotted' with =dash_capstyle = 'round'= + =[.000001, 1.5]=
as the dash pattern

** code for playing with dash patterns

#+BEGIN_SRC python
  import matplotlib.pyplot as plt
  from cycler import cycler
  plt.ion()

  fig, ax = plt.subplots()

  patterns = cycler('dashes', [(1, 1), (1.1, 1.1), (1, 2), (1, 3)]) *
cycler('lw', [1, 1.5, 2, 3, 7, 10])
  plt.rcParams['lines.dash_capstyle'] = 'butt'
  for j, m in enumerate(patterns):
      ax.plot([0, 1], [100 - j, 100 - j], **m, label=(str(m)))

  ax.legend()
#+END_SRC

#+BEGIN_SRC python
  import matplotlib.pyplot as plt
  from cycler import cycler
  plt.ion()

  fig, ax = plt.subplots()

  patterns = cycler('lw', [1, 1.5, 2, 3, 7, 10])  * cycler('linestyle',
['--', ':', '-.'])
  plt.rcParams['lines.dash_capstyle'] = 'butt'
  for j, m in enumerate(patterns):
      ax.plot([0, 1], [100 - j, 100 - j], **m, label=(str(m)))

  ax.legend()
#+END_SRC
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