Cutter

VTKExamples/Python/VisualizationAlgorithms/Cutter


Description

This example demonstrates how to use vtkCutter by cutting through a cube.

  • Contributed by Jothy

Code

Cutter.py

#!/usr/bin/env python

# A simple script to demonstrate the vtkCutter function
import vtk

# Create a cube
cube = vtk.vtkCubeSource()
cube.SetXLength(40)
cube.SetYLength(30)
cube.SetZLength(20)
cubeMapper = vtk.vtkPolyDataMapper()
cubeMapper.SetInputConnection(cube.GetOutputPort())

# create a plane to cut,here it cuts in the XZ direction (xz normal=(1,0,0);XY =(0,0,1),YZ =(0,1,0)
plane = vtk.vtkPlane()
plane.SetOrigin(10, 0, 0)
plane.SetNormal(1, 0, 0)

# create cutter
cutter = vtk.vtkCutter()
cutter.SetCutFunction(plane)
cutter.SetInputConnection(cube.GetOutputPort())
cutter.Update()
cutterMapper = vtk.vtkPolyDataMapper()
cutterMapper.SetInputConnection(cutter.GetOutputPort())

# create plane actor
planeActor = vtk.vtkActor()
planeActor.GetProperty().SetColor(1.0, 1, 0)
planeActor.GetProperty().SetLineWidth(2)
planeActor.SetMapper(cutterMapper)

# create cube actor
cubeActor = vtk.vtkActor()
cubeActor.GetProperty().SetColor(0.5, 1, 0.5)
cubeActor.GetProperty().SetOpacity(0.5)
cubeActor.SetMapper(cubeMapper)

# create renderers and add actors of plane and cube
ren = vtk.vtkRenderer()
ren.AddActor(planeActor)
ren.AddActor(cubeActor)

# Add renderer to renderwindow and render
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(600, 600)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
ren.SetBackground(0, 0, 0)
renWin.Render()
iren.Start()