old_contents: # !/usr/bin/env python
  # -*- coding: utf-8 -*-
  # vispy: gallery 30
  
  """
  A scatter plot of 2D points with matching histograms.
  """
  
  import numpy as np
  
  import vispy.plot as vp
  
  np.random.seed(2324)
  n = 100000
  data = np.empty((n, 2))
  lasti = 0
  for i in range(1, 20):
      nexti = lasti + (n - lasti) // 2
      scale = np.abs(np.random.randn(2)) + 0.1
      scale[1] = scale.mean()
      data[lasti:nexti] = np.random.normal(size=(nexti-lasti, 2),
                                           loc=np.random.randn(2),
                                           scale=scale / i)
      lasti = nexti
  data = data[:lasti]
  
  
  color = (0.3, 0.5, 0.8)
  n_bins = 100
  
  fig = vp.Fig(show=False)
  line = fig[0:4, 0:4].plot(data, symbol='o', width=0, face_color=color + (0.02,),
                            edge_color=None, marker_size=4)
  line.set_gl_state(depth_test=False)
  fig[4, 0:4].histogram(data[:, 0], bins=n_bins, color=color, orientation='h')
  fig[0:4, 4].histogram(data[:, 1], bins=n_bins, color=color, orientation='v')
  
  if __name__ == '__main__':
      fig.show(run=True)
  
new_contents: # !/usr/bin/env python
  # -*- coding: utf-8 -*-
  # vispy: gallery 30
  
  """
  A scatter plot of 2D points with matching histograms.
  """
  
  import numpy as np
  
  import vispy.plot as vp
  
  np.random.seed(2324)
  n = 100000
  data = np.empty((n, 2))
  lasti = 0
  for i in range(1, 20):
      nexti = lasti + (n - lasti) // 2
      scale = np.abs(np.random.randn(2)) + 0.1
      scale[1] = scale.mean()
      data[lasti:nexti] = np.random.normal(size=(nexti-lasti, 2),
                                           loc=np.random.randn(2),
                                           scale=scale / i)
      lasti = nexti
  data = data[:lasti]
  
  
  color = (0.3, 0.5, 0.8)
  n_bins = 100
  
  fig = vp.Fig(show=False)
  line = fig[0:4, 0:4].plot(data, symbol='o', width=0,
                            face_color=color + (0.02,), edge_color=None,
                            marker_size=4)
  line.set_gl_state(depth_test=False)
  fig[4, 0:4].histogram(data[:, 0], bins=n_bins, color=color, orientation='h')
  fig[0:4, 4].histogram(data[:, 1], bins=n_bins, color=color, orientation='v')
  
  if __name__ == '__main__':
      fig.show(run=True)
  
subject: Fix line too long in scatter_histogram.py