# TriangleStrip

VTKExamples/Python/GeometricObjects/TriangleStrip

### Code

TriangleStrip.py

    #!/usr/bin/env python

    import vtk

    points = vtk.vtkPoints()
    points.InsertNextPoint(0, 0, 0)
    points.InsertNextPoint(0, 1, 0)
    points.InsertNextPoint(1, 0, 0)
    points.InsertNextPoint(1.5, 1, 0)

    triangleStrip = vtk.vtkTriangleStrip()
    triangleStrip.GetPointIds().SetNumberOfIds(4)
    triangleStrip.GetPointIds().SetId(0, 0)
    triangleStrip.GetPointIds().SetId(1, 1)
    triangleStrip.GetPointIds().SetId(2, 2)
    triangleStrip.GetPointIds().SetId(3, 3)

    cells = vtk.vtkCellArray()
    cells.InsertNextCell(triangleStrip)

    polydata = vtk.vtkPolyData()
    polydata.SetPoints(points)
    polydata.SetStrips(cells)

    # Create an actor and mapper
    mapper = vtk.vtkDataSetMapper()
    if vtk.VTK_MAJOR_VERSION <= 5:
        mapper.SetInput(polydata)
    else:
        mapper.SetInputData(polydata)

    actor = vtk.vtkActor()
    actor.SetMapper(mapper)
    actor.GetProperty().SetRepresentationToWireframe()

    # Create a renderer, render window, and interactor
    renderer = vtk.vtkRenderer()
    renderWindow = vtk.vtkRenderWindow()
    renderWindow.AddRenderer(renderer)
    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
    renderWindowInteractor.SetRenderWindow(renderWindow)

    renderer.AddActor(actor)
    renderWindow.Render()
    renderWindowInteractor.Start()