#!/usr/bin/env python # This example demonstrates the use of vtkSTLReader to load data into # VTK from a file. This example also uses vtkLODActor which changes # its graphical representation of the data to maintain interactive # performance. import vtk from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # Create the reader and read a data file. Connect the mapper and # actor. sr = vtk.vtkSTLReader() sr.SetFileName(VTK_DATA_ROOT + "/Data/42400-IDGH.stl") stlMapper = vtk.vtkPolyDataMapper() stlMapper.SetInputConnection(sr.GetOutputPort()) stlActor = vtk.vtkLODActor() stlActor.SetMapper(stlMapper) # Create the Renderer, RenderWindow, and RenderWindowInteractor ren = vtk.vtkRenderer() renWin = vtk.vtkRenderWindow() renWin.AddRenderer(ren) iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) # Add the actors to the render; set the background and size ren.AddActor(stlActor) ren.SetBackground(0.1, 0.2, 0.4) renWin.SetSize(500, 500) # Zoom in closer ren.ResetCamera() cam1 = ren.GetActiveCamera() cam1.Zoom(1.4) iren.Initialize() renWin.Render() iren.Start()