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, scene=None):
logging.debug("In Ruler::__init__()")
self._scene = scene
self._distanceWidget = vtk.vtkDistanceWidget()
self._handle = vtk.vtkPointHandleRepresentation3D()
self._representation = vtk.vtkDistanceRepresentation2D()
self._representation.SetHandleRepresentation(self._handle)
self._distanceWidget.SetRepresentation(self._representation)
self._distanceWidget.CreateDefaultRepresentation()
self._distanceWidget.parent = self
self._started = False
self._lineColor = [0, 1, 0]
self._fontColor = [0, 1, 0]
self._handle.GetProperty().SetOpacity(0.01)
self._distanceWidget.AddObserver("PlacePointEvent", self.startEvent)
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.frame = QtWidgets.QFrame()
self.vl = QtWidgets.QVBoxLayout()
self.vtkWidget = QVTKRenderWindowInteractor(self.frame)
self.vl.addWidget(self.vtkWidget)
self.ren = vtk.vtkRenderer()
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
self.widget = vtk.vtkDistanceWidget()
self.widget.SetInteractor(self.iren)
self.handle = vtk.vtkPointHandleRepresentation3D()
self.representation = vtk.vtkDistanceRepresentation2D()
self.representation.SetHandleRepresentation(self.handle)
self.widget.SetRepresentation(self.representation)
self.widget.CreateDefaultRepresentation()
self.widget.On()
# Create source
source = vtk.vtkSphereSource()
source.SetCenter(0, 0, 0)
source.SetRadius(5.0)
# Create a mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(source.GetOutputPort())
# Create an actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
self.ren.ResetCamera()
self.frame.setLayout(self.vl)
self.setCentralWidget(self.frame)
self.show()
self.iren.Initialize()
self.iren.Start()
# Add the actors to the renderer, set the backgournd and size ren1.AddActor(demActor) ren1.GetActiveCamera().SetViewUp(0, 0, 1) ren1.GetActiveCamera().SetPosition(-99900, -21354, 131801) ren1.GetActiveCamera().SetFocalPoint(41461, 41461, 2815) ren1.ResetCamera() ren1.ResetCameraClippingRange() # Here comes the surface constrained handle widget stuff.... widget = vtk.vtkHandleWidget() widget.SetInteractor(iren) rep = vtk.vtkPointHandleRepresentation3D() widget.SetRepresentation(rep) pointPlacer = vtk.vtkPolygonalSurfacePointPlacer() pointPlacer.AddProp(demActor) pointPlacer.GetPolys().AddItem(pd) rep.SetPointPlacer(pointPlacer) # Let the surface constrained point-placer be the sole constraint dictating # the placement of handles. Lets not over-constrain it allowing axis # constrained interactions. widget.EnableAxisConstraintOff() # Set some defaults on the handle widget
