[aspect-devel] Time dependent visualization

Eric Heien emheien at ucdavis.edu
Wed May 30 07:25:43 PDT 2012


It looks like the path is slightly off:

 ERROR: In /Source/ParaView/release/ParaView/VTK/IO/vtkXMLReader.cxx, line 219
vtkXMLPUnstructuredGridReader (0x11c6d9650): Error opening file /Users/eheien/Downloads/output/output/solution-00000.pvtu

ERROR: In /Source/ParaView/release/ParaView/VTK/Filtering/vtkExecutive.cxx, line 756
vtkCompositeDataPipeline (0x11c6127d0): Algorithm vtkXMLPUnstructuredGridReader(0x11c6d9650) returned failure for request: vtkInformation (0x11c6147c0)
  Debug: Off
  Modified Time: 425451
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_INFORMATION
  ALGORITHM_AFTER_FORWARD: 1
  FORWARD_DIRECTION: 0

If I move the .pvd file one directory up it works fine and reads the time steps correctly.

-Eric

On May 30, 2012, at 6:56 AM, Wolfgang Bangerth wrote:

> 
> All,
> deal.II has just gotten a piece of code that allows to describe which 
> files of a simulation belong together in the time stepping order. To 
> this end, we now generate a file output/solution.pvd that should look 
> like this:
> 
> <VTKFile type="Collection" version="0.1" ByteOrder="LittleEndian">
>   <Collection>
>     <DataSet timestep="0" group="" part="0" 
> file="output/solution-00000.pvtu"/>
>     <DataSet timestep="393810" group="" part="0" 
> file="output/solution-00001.pvtu"/>
>     <DataSet timestep="629130" group="" part="0" 
> file="output/solution-00002.pvtu"/>
>     <DataSet timestep="827921" group="" part="0" 
> file="output/solution-00003.pvtu"/>
>     ...
> 
> The idea is that with paraview you should be able to loop through all 
> timesteps at once and even get the simulation time shown correctly. I've 
> just put this into Aspect as well but I don't have Paraview installed 
> here -- can someone try this out for me and let me know if something 
> doesn't work?
> 
> Best
>  W.
> 
> -- 
> ------------------------------------------------------------------------
> Wolfgang Bangerth               email:            bangerth at math.tamu.edu
>                                 www: http://www.math.tamu.edu/~bangerth/
> 
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