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)
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)