Arno,
If your mesh is truly rigid, that is, the mesh is fixed in space and
time, the following would likely work. ParaView will accept more than
one datum set (even in different formats). Write your rigid mesh out as
a separate datum set in any format you like.
Load both your time varying results and non-time varying mesh. (You may
have to use one the ParaView temporal filters to assign all time steps
to the fixed mesh datum set?)
Hope this helps.
Sam
On 8/6/2018 1:32 AM, Arno Mayrhofer wrote:
Hi all,
I am currently investigating the possibility to reduce the output
written by our DEM software. One case we often have is that a PolyData
object is written every n time steps and we are not interested in any
fields on this rigid mesh object only the current location of this
object. The naive approach is to write the full information of this
object using the vtkXMLPolyDataWriter during each output step.
However, since the mesh is rigid and we have no active fields on this
mesh it would be sufficient to save this full information at time 0.
Then at each successive output all information we need would be the
offset and rotation with respect to this initial object.
Is something like this possible with VTK?
Kind regards,
Arno
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