wxPython/demo/viewer_basics.py

   1 from wxPython.wx import *
   2 from wxPython.lib import vtk
   3
   4 #---------------------------------------------------------------------------
   5 class VtkFrame(wxFrame):
   6     """
   7         Simple example VTK window that contains a cone.
   8     """
   9     def __init__(self, parent, id, title):
  10         wxFrame.__init__(self, parent,id,title, size=(450, 300))
  11         win = vtk.wxVTKRenderWindow(self, -1)
  12
  13         renWin = win.GetRenderWindow()
  14
  15         ren = vtk.vtkRenderer()
  16         renWin.AddRenderer(ren)
  17         cone = vtk.vtkConeSource()
  18         coneMapper = vtk.vtkPolyDataMapper()
  19         coneMapper.SetInput(cone.GetOutput())
  20         coneActor = vtk.vtkActor()
  21         coneActor.SetMapper(coneMapper)
  22         ren.AddActor(coneActor)
  23
  24 #---------------------------------------------------------------------------
  25 wxEVT_ADD_CONE = 25015
  26
  27 def EVT_ADD_CONE(win, func):
  28     win.Connect(-1, -1, wxEVT_ADD_CONE, func)
  29
  30
  31 class AddCone(wxPyEvent):
  32     def __init__(self):
  33         wxPyEvent.__init__(self)
  34         self.SetEventType(wxEVT_ADD_CONE)
  35
  36
  37 class HiddenCatcher(wxFrame):
  38     """
  39         The "catcher" frame in the second thread.
  40         It is invisible.  It's only job is to receive
  41         Events from the main thread, and create
  42         the appropriate windows.
  43     """
  44     def __init__(self):
  45         wxFrame.__init__(self, None, -1, '')
  46         EVT_ADD_CONE(self, self.AddCone)
  47
  48     def AddCone(self,evt):
  49         add_cone()
  50
  51
  52 #---------------------------------------------------------------------------
  53
  54 class SecondThreadApp(wxApp):
  55     """
  56         wxApp that lives in the second thread.
  57     """
  58     def OnInit(self):
  59         catcher = HiddenCatcher()
  60         #self.SetTopWindow(catcher)
  61         self.catcher =catcher
  62         return true
  63
  64 #---------------------------------------------------------------------------
  65
  66 def add_cone():
  67    frame = VtkFrame(None, -1, "Cone")
  68    frame.Show(true)
  69