wxPython/demo/viewer_basics.py

   1 # 11/15/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 # o No idea what this does.
   5 #
   6
   7 import  wx
   8 import  wx.lib.vtk  as vtk
   9
  10 #---------------------------------------------------------------------------
  11 class VtkFrame(wx.Frame):
  12     """
  13         Simple example VTK window that contains a cone.
  14     """
  15     def __init__(self, parent, id, title):
  16         wx.Frame.__init__(self, parent, id, title, size=(450, 300))
  17         win = vtk.VTKRenderWindow(self, -1)
  18
  19         renWin = win.GetRenderWindow()
  20
  21         ren = vtk.vtkRenderer()
  22         renWin.AddRenderer(ren)
  23         cone = vtk.vtkConeSource()
  24         coneMapper = vtk.vtkPolyDataMapper()
  25         coneMapper.SetInput(cone.GetOutput())
  26         coneActor = vtk.vtkActor()
  27         coneActor.SetMapper(coneMapper)
  28         ren.AddActor(coneActor)
  29
  30 #---------------------------------------------------------------------------
  31 # Using new event binder
  32 wx_EVT_ADD_CONE = wx.NewEventType()
  33 EVT_ADD_CONE = wx.PyEventBinder(wx_EVT_ADD_CONE, 1)
  34
  35 class AddCone(wx.PyEvent):
  36     def __init__(self):
  37         wx.PyEvent.__init__(self)
  38         self.SetEventType(wx_EVT_ADD_CONE)
  39
  40
  41 class HiddenCatcher(wx.Frame):
  42     """
  43         The "catcher" frame in the second thread.
  44         It is invisible.  It's only job is to receive
  45         Events from the main thread, and create
  46         the appropriate windows.
  47     """
  48     def __init__(self):
  49         wx.Frame.__init__(self, None, -1, '')
  50         self.Bind(EVT_ADD_CONE, self.AddCone)
  51
  52     def AddCone(self,evt):
  53         add_cone()
  54
  55
  56 #---------------------------------------------------------------------------
  57
  58 class SecondThreadApp(wx.App):
  59     """
  60         wxApp that lives in the second thread.
  61     """
  62     def OnInit(self):
  63         catcher = HiddenCatcher()
  64         #self.SetTopWindow(catcher)
  65         self.catcher = catcher
  66         return True
  67
  68 #---------------------------------------------------------------------------
  69
  70 def add_cone():
  71    frame = VtkFrame(None, -1, "Cone")
  72    frame.Show(True)
  73