VTK/Examples/Python/InteractorStyleTrackballCamera

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InteractorStyleTrackballCamera.py

import vtk
 
# create a rendering window and renderer
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
 
# create a renderwindowinteractor
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
 
style = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(style)
 
# create source
src = vtk.vtkPointSource()
src.SetCenter(0,0,0)
src.SetNumberOfPoints(50)
src.SetRadius(5)
src.Update()
 
 
# mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(src.GetOutput())
 
# actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)

# assign actor to the renderer
ren.AddActor(actor)
 
# enable user interface interactor
iren.Initialize()
renWin.Render()
iren.Start()