[vtkusers] MultiBlock & vtkContourFilter

Berk Geveci berk.geveci at gmail.com
Tue Dec 13 10:33:08 EST 2005


You have a few choices:

1. Use vtkPLOT3DReader. This reader will produce one output per block. You
have to create multiple pipelines to process them.
2. Use ParaView.
3. Use vtkMultiBlockPLOT3DReader and the multi-block pipeline. Look at
VTK/Graphics/Testing/Cxx/TestMultiBlock.cxx

-Berk

On 11/29/05, Randall Hand <randall.hand at gmail.com> wrote:
>
> I'm reading a plot3d file (XYZ & Q) with the vtkPLOT3DReader object.  The
> file seems to load just fine, but when I analyze it and try to do
> Isosurfaces it doesn't work.  Closer inspection seems to indicate that using
> the ->GetOutput method returns only  one block of the entire dataset.  How
> do I get the entire dataset, and how do I get this into a
> vtkContourFilter-like object for isosurfacing?
>
> --
> Randall Hand
> Visualization Scientist,
> ERDC-MSRC Vicksburg, MS
> Homepage: http://www.yeraze.com
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