[vtkusers] Saving a PNG images instead of opening a window

[David Doria]

On Mon, Sep 10, 2012 at 9:39 AM, David E DeMarle
<dave.demarle at kitware.com> wrote:
> You need to configure VTK to use offscreen rendering. Then you can
> prevent it from opening up a window.
>
> ParaView's parallel visualization is built out of classes in VTK's MPI
> parallel kits/modules. See the ParallelIso regression test
> (VTK5.10/Parallel/Testing/Cxx/ParallelIso.cxx) for a sample.
>
> VisIt is based on the same concepts (domain decomposition in
> distributed memory parallel pipelines), but it is implemented in a
> layer external of VTK. Ask the VisIt mailing list for details.
>
> David E DeMarle

Here is an example:

http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/OffScreenRendering

David