CombinePolyData
VTKExamples/Python/Filtering/CombinePolyData
Description¶
This example combines Polydata objects, and displays the result to the screen.
Code¶
CombinePolyData.py
import vtk input1 = vtk.vtkPolyData() input2 = vtk.vtkPolyData() sphereSource = vtk.vtkSphereSource() sphereSource.SetCenter(5,0,0) sphereSource.Update() input1.ShallowCopy(sphereSource.GetOutput()) coneSource =vtk.vtkConeSource() coneSource.Update() input2.ShallowCopy(coneSource.GetOutput()) # Append the two meshes appendFilter = vtk.vtkAppendPolyData() if vtk.VTK_MAJOR_VERSION <= 5: appendFilter.AddInputConnection(input1.GetProducerPort()) appendFilter.AddInputConnection(input2.GetProducerPort()) else: appendFilter.AddInputData(input1) appendFilter.AddInputData(input2) appendFilter.Update() # Remove any duplicate points. cleanFilter = vtk.vtkCleanPolyData() cleanFilter.SetInputConnection(appendFilter.GetOutputPort()) cleanFilter.Update() # Create a mapper and actor mapper = vtk.vtkPolyDataMapper() mapper.SetInputConnection(cleanFilter.GetOutputPort()) actor = vtk.vtkActor() actor.SetMapper(mapper) # Create a renderer, render window, and interactor renderer = vtk.vtkRenderer() renderWindow = vtk.vtkRenderWindow() renderWindow.AddRenderer(renderer) renderWindowInteractor = vtk.vtkRenderWindowInteractor() renderWindowInteractor.SetRenderWindow(renderWindow) # Add the actors to the scene renderer.AddActor(actor) renderer.SetBackground(.3, .2, .1) # Background color dark red # Render and interact renderWindow.Render() renderWindowInteractor.Start()