Esempio n. 1
1
 def __init__(self, scene=None):
     logging.debug("In Protractor::__init__()")
     self._status = 0
     self._angleWidget = vtk.vtkAngleWidget()
     self._handle = vtk.vtkPointHandleRepresentation3D()
     self._representation = vtk.vtkAngleRepresentation2D()
     self._representation.SetHandleRepresentation(self._handle)
     self._angleWidget.CreateDefaultRepresentation()
     self._angleWidget.SetRepresentation(self._representation)
     self._angleWidget.parent = self
     self._started = False
     self._pointColor = self._handle.GetProperty().GetColor()
     self._lineColor = self._representation.GetRay1().GetProperty().GetColor()
     self._fontColor = self._representation.GetArc().GetLabelTextProperty().GetColor()
     self._placePointEvent = self._angleWidget.AddObserver("PlacePointEvent", self._startEvent)
Esempio n. 2
0
	def __init__(self, parent, visualizer, **kws):
		"""
		Initialization
		"""     
		self.x, self.y, self.z = -1, -1, -1
		VisualizationModule.__init__(self, parent, visualizer, **kws)   

		self.on = 0
		self.renew = 1
	
		self.angleWidget = vtk.vtkAngleWidget()
		self.obsTag = self.angleWidget.AddObserver("EndInteractionEvent", self.onPlacePoint)
		self.angleWidget.CreateDefaultRepresentation()
		self.representation = self.angleWidget.GetRepresentation()
		self.renderer = self.parent.getRenderer()
		iactor = self.wxrenwin.GetRenderWindow().GetInteractor()
		self.angleWidget.SetInteractor(iactor)

		self.picker = vtk.vtkCellPicker()
		#self.picker.SetTolerance(0.05)
		self.filterDesc = "Measure angle in 3D view"
iren.SetRenderWindow(renWin)

# Create a test pipeline
ss = vtk.vtkSphereSource()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(ss.GetOutput())
actor = vtk.vtkActor()
actor.SetMapper(mapper)

# Create the widget and its representation
handle = vtk.vtkPointHandleRepresentation2D()
handle.GetProperty().SetColor(1, 0, 0)
rep = vtk.vtkAngleRepresentation2D()
rep.SetHandleRepresentation(handle)

widget = vtk.vtkAngleWidget()
widget.SetInteractor(iren)
widget.CreateDefaultRepresentation()
widget.SetRepresentation(rep)

widget.AddObserver("PlacePointEvent", vtkAngleCallback)
widget.AddObserver("InteractionEvent", vtkAngleCallback)

# Add the actor to the renderer, set the background and size
ren1.AddActor(actor)
ren1.SetBackground(0.1, 0.2, 0.4)
renWin.SetSize(300, 300)

# record events
recorder = vtk.vtkInteractorEventRecorder()
recorder.SetInteractor(iren)