#!/usr/bin/env python

import vtk

cone = vtk.vtkConeSource()

coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection( cone.GetOutputPort() )

coneActor = vtk.vtkActor()
coneActor.SetMapper( coneMapper )

ren1= vtk.vtkRenderer()
ren1.AddActor( coneActor )
ren1.SetBackground( 0, 0, 0 )

renWin = vtk.vtkRenderWindow()
renWin.AddRenderer( ren1 )

# selection part - green color part
plane = vtk.vtkPlane()
clipper = vtk.vtkClipPolyData()
clipper.SetInputConnection( cone.GetOutputPort() )
clipper.SetClipFunction( plane )

selectMapper = vtk.vtkPolyDataMapper()
selectMapper.SetInputConnection( clipper.GetOutputPort() )

selectActor = vtk.vtkLODActor()
selectActor.GetProperty().SetColor(0, 1, 0)
selectActor.SetScale(1.01, 1.01, 1.01)

ren1.AddActor( selectActor )
# selection part end

renWinInteractor = vtk.vtkRenderWindowInteractor()
renWinInteractor.SetRenderWindow( renWin )

def myCallback(obj, event):
    global plane, selectActor

# ImplicitPlaneWidget - outlines and plane
planeWidget = vtk.vtkImplicitPlaneWidget()
planeWidget.SetInteractor( renWinInteractor )
planeWidget.AddObserver("InteractionEvent", myCallback)
# ImplicitPlaneWidget end



分类: Python

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