[Paraview] Method to Clip Sources & View Closed Volumes?

Cory Quammen cory.quammen at kitware.com
Sat Jun 3 15:56:37 EDT 2017


What you are seeing with the clipped sphere is indeed the clipped
polygonal data from the sphere source. The sphere source does not
produce volumetric cells inside the surface that you see, so there are
no internal cells that would be clipped and produce the filled
appearance you are after.

I'm betting the VTK dataset you viewed has volumetric cells. In that
case, you will see the surface of the clipped volumetric cells.

You would need to fill the interior of polygonal datasets with
volumetric cells through some kind of meshing procedure. In ParaView,
that is pretty much limited to the Delaunay 3D filter, and it works
fine if your polygonal dataset defines a convex volume. But there is
no option to set that will do this automatically.

- Cory

On Sat, Jun 3, 2017 at 9:08 AM, Joel Kulesza <jkulesza at umich.edu> wrote:
> Colleagues,
> Is there an option I'm not finding that would allow me to continually render
> sources as solid volumes rather than shells?
> For example, if I plot a VTK data set and "clip" it, I see all internal
> structure (because there is some).
> However, if I plot a Sphere and "clip" it, I see a spherical shell (see
> attached).  I understand why this is, but I'd prefer to have the shell
> capped so I have what appears to be a solid hemisphere.
> Any thoughts you can provide are appreciated!
> Thank you,
> Joel
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Cory Quammen
Staff R&D Engineer
Kitware, Inc.

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