old_contents: # -*- coding: utf-8 -*-
  """
  This is an example for plotting a Neo object with matplotlib.
  """
  
  import urllib
  
  import numpy as np
  import quantities as pq
  from matplotlib import pyplot
  
  import neo
  
  url = 'https://portal.g-node.org/neo/'
  # distantfile = url + 'neuroexplorer/File_neuroexplorer_2.nex'
  # localfile = 'File_neuroexplorer_2.nex'
  
  distantfile = 'https://portal.g-node.org/neo/plexon/File_plexon_3.plx'
  localfile = './File_plexon_3.plx'
  
  urllib.request.urlretrieve(distantfile, localfile)
  
  # reader = neo.io.NeuroExplorerIO(filename='File_neuroexplorer_2.nex')
  reader = neo.io.PlexonIO(filename='File_plexon_3.plx')
  
  bl = reader.read(lazy=False)[0]
  for seg in bl.segments:
      print("SEG: " + str(seg.file_origin))
      fig = pyplot.figure()
      ax1 = fig.add_subplot(2, 1, 1)
      ax2 = fig.add_subplot(2, 1, 2)
      ax1.set_title(seg.file_origin)
      ax1.set_ylabel('arbitrary units')
      mint = 0 * pq.s
      maxt = np.inf * pq.s
      for i, asig in enumerate(seg.analogsignals):
          times = asig.times.rescale('s').magnitude
          asig = asig.magnitude
          ax1.plot(times, asig)
  
      trains = [st.rescale('s').magnitude for st in seg.spiketrains]
      colors = pyplot.cm.jet(np.linspace(0, 1, len(seg.spiketrains)))
      ax2.eventplot(trains, colors=colors)
  
  pyplot.show()
  
new_contents: # -*- coding: utf-8 -*-
  """
  This is an example for plotting a Neo object with matplotlib.
  """
  
  import urllib
  
  import numpy as np
  import quantities as pq
  from matplotlib import pyplot
  
  import neo
  
  distantfile = 'https://web.gin.g-node.org/NeuralEnsemble/ephy_testing_data/raw/master/plexon/File_plexon_3.plx'
  localfile = './File_plexon_3.plx'
  
  urllib.request.urlretrieve(distantfile, localfile)
  
  # reader = neo.io.NeuroExplorerIO(filename='File_neuroexplorer_2.nex')
  reader = neo.io.PlexonIO(filename='File_plexon_3.plx')
  
  bl = reader.read(lazy=False)[0]
  for seg in bl.segments:
      print("SEG: " + str(seg.file_origin))
      fig = pyplot.figure()
      ax1 = fig.add_subplot(2, 1, 1)
      ax2 = fig.add_subplot(2, 1, 2)
      ax1.set_title(seg.file_origin)
      ax1.set_ylabel('arbitrary units')
      mint = 0 * pq.s
      maxt = np.inf * pq.s
      for i, asig in enumerate(seg.analogsignals):
          times = asig.times.rescale('s').magnitude
          asig = asig.magnitude
          ax1.plot(times, asig)
  
      trains = [st.rescale('s').magnitude for st in seg.spiketrains]
      colors = pyplot.cm.jet(np.linspace(0, 1, len(seg.spiketrains)))
      ax2.eventplot(trains, colors=colors)
  
  pyplot.show()
  
subject: Update example file (cf #644)