[vtkusers] need help in vtkMarchingCubes Python!!

[Christopher Mullins]

Check out this example [1] in C++.  Or maybe [2] or [3] from the Python
examples.

[1]
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Medical/GenerateModelsFromLabels
[2] http://www.vtk.org/Wiki/VTK/Examples/Python/MeshLabelImage
[3] http://www.vtk.org/Wiki/VTK/Examples/Python/MeshLabelImageColor


On Sat, Jun 15, 2013 at 3:46 AM, dalhotha <dhothali at hotmail.com> wrote:

> yah I did as follow , its not working either :( , an empty render window.
> any
> help plzz
>
> import vtk
>
> input='test.vtk'
>
> ## read the file
> reader = vtk.vtkPolyDataReader()
> reader.SetFileName(input)
> reader.Update()
>
>
>
> ## surface generation
> contour = vtk.vtkMarchingCubes() #for label images
> contour.SetInput(reader.GetOutput())
> contour.Update()
>
> ## mapper
> mapper = vtk.vtkPolyDataMapper()
> mapper.SetInput(contour.GetOutput())
> mapper.Update()
>
>
> ## the actor
> actor = vtk.vtkActor()
> actor.SetMapper(mapper)
>
> ## renderer and render window
> ren = vtk.vtkRenderer()
> ren.SetBackground(1, 0, 1)
> ## add the actors to the renderer
> ren.AddActor(actor)
>
> renWin = vtk.vtkRenderWindow()
> renWin.SetSize(512, 512)
> renWin.AddRenderer(ren)
>
> ## render window interactor
> iren = vtk.vtkRenderWindowInteractor()
> iren.SetRenderWindow(renWin)
>
>
> ## initialize and start the interactor
> iren.Initialize()
>
> ## render
> renWin.Render()
> iren.Start()
>
>
>
>
> --
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-- 
Christopher Mullins
R&D Engineer
Kitware Inc.,
919.869.8871
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