模型3D

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#!/usr/bin/env python   import vtk     def main():     colors = vtk.vtkNamedColors()       # Create the RenderWindow, Renderer and Interactor.     #     renderer = vtk.vtkRenderer()     renWin = vtk.vtkRenderWindow()     renWin.AddRenderer(renderer)       iren = vtk.vtkRenderWindowInteractor()     iren.SetRenderWindow(renWin)       # Create the bottle profile.     #     points = vtk.vtkPoints()     points.InsertPoint(0, 0.01, 0.0, 0.0)     points.InsertPoint(1, 1.5, 0.0, 0.0)     points.InsertPoint(2, 1.5, 0.0, 3.5)     points.InsertPoint(3, 1.25, 0.0, 3.75)     points.InsertPoint(4, 0.75, 0.0, 4.00)     points.InsertPoint(5, 0.6, 0.0, 4.35)     points.InsertPoint(6, 0.7, 0.0, 4.65)     points.InsertPoint(7, 1.0, 0.0, 4.75)     points.InsertPoint(8, 1.0, 0.0, 5.0)     points.InsertPoint(9, 0.2, 0.0, 5.0)       lines = vtk.vtkCellArray()     lines.InsertNextCell(10)  # The number of points.     lines.InsertCellPoint(0)     lines.InsertCellPoint(1)     lines.InsertCellPoint(2)     lines.InsertCellPoint(3)     lines.InsertCellPoint(4)     lines.InsertCellPoint(5)     lines.InsertCellPoint(6)     lines.InsertCellPoint(7)     lines.InsertCellPoint(8)     lines.InsertCellPoint(9)       profile = vtk.vtkPolyData()     profile.SetPoints(points)     profile.SetLines(lines)       # Extrude the profile to make the bottle.     #     extrude = vtk.vtkRotationalExtrusionFilter()     extrude.SetInputData(profile)     extrude.SetResolution(60)       mapper = vtk.vtkPolyDataMapper()     mapper.SetInputConnection(extrude.GetOutputPort())       bottle = vtk.vtkActor()     bottle.SetMapper(mapper)     bottle.GetProperty().SetColor(colors.GetColor3d("Mint"))       # Sisplay the profile.     stripper = vtk.vtkStripper()     stripper.SetInputData(profile)       tubes = vtk.vtkTubeFilter()     tubes.SetInputConnection(stripper.GetOutputPort())     tubes.SetNumberOfSides(11)     tubes.SetRadius(.05)       profileMapper = vtk.vtkPolyDataMapper()     profileMapper.SetInputConnection(tubes.GetOutputPort())       profileActor = vtk.vtkActor()     profileActor.SetMapper(profileMapper)     profileActor.GetProperty().SetColor(colors.GetColor3d("Tomato"))       # Add the actors to the renderer, set the background and size.     #     renderer.AddActor(bottle)     renderer.AddActor(profileActor)     renderer.SetBackground(colors.GetColor3d("Burlywood"))       renWin.SetSize(640, 480)     renWin.Render()       renderer.GetActiveCamera().SetPosition(1, 0, 0)     renderer.GetActiveCamera().SetFocalPoint(0, 0, 0)     renderer.GetActiveCamera().SetViewUp(0, 0, 1)     renderer.ResetCamera()     renderer.GetActiveCamera().Azimuth(30)     renderer.GetActiveCamera().Elevation(30)       # Render the image.     #     renWin.Render()     iren.Start()     if __name__ == '__main__':     main()