gistfile1.txt

"""                                                                                                                                                                                                                              
  This script is meant to be run several times, from IPython.                                                                                                                                                                    
  Modify whatever you like in it, but sure to think of your globals() as                                                                                                                                                         
  being preserved in between                                                                                                                                                                                                     
"""
from blockplayer.visuals.pointwindow import PointWindow
from OpenGL.GL import *

if not 'window' in globals():
  window = PointWindow()
  color = None
  xyz = np.array([])

def scatter():
  global color, xyz
  xyz = 2*np.random.rand(1000,3)-1.0
  xyz *= np.vstack(3*[np.sum(xyz*xyz,1)]).transpose()
  color = np.random.rand(1000,3)
  window.Refresh()


@window.event
def post_draw():
  global color, xyz
  """                                                                                                                                                                                                                            
  # The name on_draw_axes should be deprecated. Really it's just a                                                                                                                                                               
  # 'user settable' callback for drawing in the camera window (after the                                                                                                                                                         
  # projection matrices are initialized, etc)                                                                                                                                                                                    
  """
  # Draw the points                                                                                                                                                                                                              
  glFinish()
  glPointSize(1)
  glEnableClientState(GL_VERTEX_ARRAY)
  glVertexPointerf(xyz)

  if not color is None:
   glEnableClientState(GL_COLOR_ARRAY)
   glColorPointerf(color)
   glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA)
   glEnable(GL_BLEND)
  glColor3f(1,1,1)

  glDrawElementsui(GL_POINTS, np.arange(len(xyz)))
  glDisableClientState(GL_COLOR_ARRAY)
  glDisableClientState(GL_VERTEX_ARRAY)
  glDisable(GL_BLEND)

@window.eventx
def EVT_IDLE(event):
  return
  scatter()
  #window.Refresh()  

scatter()
window.Refresh()