ConeA

#!/usr/bin/env python

import vtk


def main():
    # create a rendering window and renderer
    ren = vtk.vtkRenderer()
    renWin = vtk.vtkRenderWindow()
    renWin.AddRenderer(ren)
    WIDTH = 640
    HEIGHT = 480
    renWin.SetSize(WIDTH, HEIGHT)

    # create a renderwindowinteractor
    iren = vtk.vtkRenderWindowInteractor()
    iren.SetRenderWindow(renWin)

    # create cone
    cone = vtk.vtkConeSource()
    cone.SetResolution(60)
    cone.SetCenter(-2, 0, 0)
    cone.Update()

    # mapper
    coneMapper = vtk.vtkPolyDataMapper()
    coneMapper.SetInputData(cone.GetOutput())

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

    # assign actor to the renderer
    ren.AddActor(coneActor)

    # enable user interface interactor
    iren.Initialize()
    renWin.Render()
    iren.Start()


if __name__ == "__main__":
    main()