#!/usr/bin/env python

# create four cursors configured differently
cursor = vtk.vtkCursor2D()
cursor.SetModelBounds(15,45,15,45,0,0)
cursor.SetFocalPoint(30,30,0)
cursor.AllOff()
cursor.AxesOn()
cursor.OutlineOn()
cursorMapper = vtk.vtkPolyDataMapper2D()
cursorMapper.SetInputConnection(cursor.GetOutputPort())
cursorActor = vtk.vtkActor2D()
cursorActor.SetMapper(cursorMapper)
cursorActor.GetProperty().SetColor(1,0,0)
cursor2 = vtk.vtkCursor2D()
cursor2.SetModelBounds(75,105,15,45,0,0)
cursor2.SetFocalPoint(90,30,0)
cursor2.AllOff()
cursor2.AxesOn()
cursor2.OutlineOn()
cursor2.PointOn()
cursor2Mapper = vtk.vtkPolyDataMapper2D()
cursor2Mapper.SetInputConnection(cursor2.GetOutputPort())
cursor2Actor = vtk.vtkActor2D()
cursor2Actor.SetMapper(cursor2Mapper)
cursor2Actor.GetProperty().SetColor(0,1,0)
cursor3 = vtk.vtkCursor2D()
cursor3.SetModelBounds(15,45,75,105,0,0)
cursor3.SetFocalPoint(30,90,0)
cursor3.AllOff()
cursor3.AxesOn()
cursor3.OutlineOff()
cursor3.PointOn()
cursor3.SetRadius(3)
cursor3Mapper = vtk.vtkPolyDataMapper2D()
cursor3Mapper.SetInputConnection(cursor3.GetOutputPort())
cursor3Actor = vtk.vtkActor2D()
cursor3Actor.SetMapper(cursor3Mapper)
cursor3Actor.GetProperty().SetColor(0,1,0)
cursor4 = vtk.vtkCursor2D()
cursor4.SetModelBounds(75,105,75,105,0,0)
cursor4.SetFocalPoint(90,90,0)
cursor4.AllOff()
cursor4.AxesOn()
cursor4.SetRadius(0.0)
cursor4Mapper = vtk.vtkPolyDataMapper2D()
cursor4Mapper.SetInputConnection(cursor4.GetOutputPort())
cursor4Actor = vtk.vtkActor2D()
cursor4Actor.SetMapper(cursor4Mapper)
cursor4Actor.GetProperty().SetColor(1,0,0)
# rendering support
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# read data
ren1.AddActor(cursorActor)
ren1.AddActor(cursor2Actor)
ren1.AddActor(cursor3Actor)
ren1.AddActor(cursor4Actor)
ren1.SetBackground(0,0,0)
renWin.SetSize(120,120)
renWin.Render()
iren.Initialize()
# prevent the tk window from showing up then start the event loop
# --- end of script --
