import vtk
import slicer
colors = vtk.vtkNamedColors() 
planeS4 = vtk.vtkPlaneSource()
planeS4.SetOrigin(0, 0, 0)
planeS4.SetPoint2(200, 0, 0)
planeS4.SetPoint1(0, 200, 0)
planeS4.Update()
planeS4.SetCenter(0, 0, 0)
planeS4.SetXResolution(200)
planeS4.SetYResolution (200)
planeS4.SetNormal(1, 0, 0)
planeS4.Update()
cylinder1 = vtk.vtkCylinder()
cylinder1.SetRadius(29);
cylinder1.SetCenter(0, 0, 0);
cylinder1.SetAxis(1, 0, 0); 
cylinder2 = vtk.vtkCylinder()
cylinder2.SetRadius(30);
cylinder2.SetCenter(0, 0, 0);
cylinder2.SetAxis(1, 0, 0); 
clipperC1 = vtk.vtkClipPolyData()
clipperC1.SetInputData(planeS4.GetOutput())
clipperC1.GenerateClippedOutputOn();
clipperC1.SetClipFunction(cylinder1);
clipperC1.Update();
clipperC2 = vtk.vtkClipPolyData()
clipperC2.SetInputData(clipperC1.GetOutput())
clipperC2.GenerateClippedOutputOn()
clipperC2.SetClipFunction(cylinder2)
clipperC2.Update();
# extrude
extrude = vtk.vtkLinearExtrusionFilter() 
extrude.SetInputData(clipperC2.GetClippedOutput()) 
extrude.SetExtrusionTypeToVectorExtrusion(); 
extrude.SetVector(1, 0, 0)
extrude.CappingOn()
extrude.SetScaleFactor(30) 
extrude.Update() 
polyData = extrude.GetOutput()
cylinder1a = vtk.vtkCylinder()
cylinder1a.SetRadius(10);
cylinder1a.SetCenter(15 , 0 , 0);
cylinder1a.SetAxis(0, 0, 1); 
clipperloch1 = vtk.vtkClipPolyData()
clipperloch1.SetInputData(polyData)
clipperloch1.SetClipFunction(cylinder1a);
clipperloch1.Update();
mapper2 = vtk.vtkPolyDataMapper() 
mapper2.SetInputData(clipperloch1.GetOutput()) 

actor2 = vtk.vtkActor() 
actor2.GetProperty().SetColor(colors.GetColor3d("Cornsilk")) 
actor2.SetMapper(mapper2) 
# Create a renderer, render window, and interactor 
renderer = vtk.vtkRenderer() 
renderWindow = vtk.vtkRenderWindow() 
renderWindow.SetWindowName("TaperedCylinder") 
renderWindow.AddRenderer(renderer) 
renderWindowInteractor = vtk.vtkRenderWindowInteractor() 
renderWindowInteractor.SetRenderWindow(renderWindow) 

# Add the actors to the scene 
renderer.AddActor(actor2)
renderer.SetBackground(colors.GetColor3d("DarkGreen")) 

# Render and interact 
renderWindow.Render() 
renderWindowInteractor.Start()