[vtkusers] "Proper" way to export a scene to X?

David E DeMarle dave.demarle at kitware.com
Thu Jul 30 14:55:06 EDT 2015

I don't think the exporters are going away soon. What specific method was
that message from?

Exporters are for scenes. The intent is to take everything you can see in
the a vtkRenderWindow's vtkRenderer and export it so that some other
rendering system (renderman, etc) can reproduce the picture in a different

For individual objects in the scene, like a polydata mesh, use one of the
writer classes. They take one thing in the pipeline and export it to some
file format so that you can process it later with vtk or some other
project. Exporters sometimes use writers.

Try https://github.com/daviddoria/vtkOBJWriter in this case.


David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Wed, Jul 29, 2015 at 1:24 PM, Alexandre Dufour <adufour at pasteur.fr>

> Hi,
> A collaborator of mine would like to load surface mesh (VTK) files
> produced by our software (Icy <http://icy.bioimageanalysis.org>) into
> MeshLab, but it seems VTK files aren’t supported by MeshLab. As a backup
> solution, I am trying to export the VTK polydata files into other formats
> (OBJ or X3D) using the various exporter classes, but I’m not sure how to do
> this the “proper” way.
> The vtkExporter class seems to only work with SetInput(vtkRenderWindow),
> which seems a bit weird if the meshes are not being displayed in a window.
> The documentation seems to agree with me by stating that "These methods are
> provided for backward compatibility. Will disappear soon.”
> Any ideas?
> Cheers
> Alexandre @ VTK 6.1 via Java 6
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