[Paraview] Is it a BUG with temporal filters or I am missing something? [Developers, could you please verify if this is a bug or not?]

[Mohamad M. Nasr-Azadani]

A follow up on this problem.
If anyone is interested, I think it is a bug with the rectilinear vtk
reader (or any derivatives).
 I converted the same dataset to *.vtu format, and read the file series.
Did the same experiment with temporal filters and everything looked
perfectly fine. No error message or crashing.

Cheers,
Mohamad



On Mon, Apr 9, 2012 at 2:41 PM, Mohamad M. Nasr-Azadani <mmnasr at gmail.com>wrote:

> Hi,
>
> This is what I am doing:
> Load a time-aware PVD file like this:
>
> <?xml version="1.0"?>
>  <VTKFile type="Collection" version="0.1" byte_order="LittleEndian"
> compressor="vtkZLibDataCompressor">
>    <Collection>
>     <DataSet timestep="0.0" group="" part="0" file="vel_vec_0.vtr"/>
>     <DataSet timestep="0.2" group="" part="0" file="vel_vec_1.vtr"/>
>     <DataSet timestep="0.4" group="" part="0" file="vel_vec_2.vtr"/>
>     <DataSet timestep="0.6" group="" part="0" file="vel_vec_3.vtr"/>
>     <DataSet timestep="0.8" group="" part="0" file="vel_vec_4.vtr"/>
>     <DataSet timestep="1.0" group="" part="0" file="vel_vec_5.vtr"/>
>     <DataSet timestep="1.2" group="" part="0" file="vel_vec_6.vtr"/>
>     <DataSet timestep="1.4" group="" part="0" file="vel_vec_7.vtr"/>
>     <DataSet timestep="1.6" group="" part="0" file="vel_vec_8.vtr"/>
>     <DataSet timestep="1.8" group="" part="0" file="vel_vec_9.vtr"/>
>     <DataSet timestep="2.0" group="" part="0" file="vel_vec_10.vtr"/>
>   </Collection>
> </VTKFile>
>
> Apply any of the 'temporal filters' including
> -Temporal Cache w/ Cache size = 2
> -Temporal Interpolator w/ Discrete Time Step Interval = 0.1
> -Temporal Shift Scale w/ [default values]
>
> to the loaded dataset.
> I just press the play button on the the animation toolbar and it either
> gives me this error message or crashes.
>
>   ERROR: In
> /home/utkarsh/Kitware/superbuild/paraview/src/paraview/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx,
> line 934
>
> vtkPVPostFilterExecutive (0x2d5d190): No maximum number of pieces has been
> set in the information for output port 0 on algorithm
> vtkPVPostFilter(0x2d26830).
>
> I am using PV 3.14.0 (and .1) on Ubuntu.
>
> Has anyone experienced the same problem?
> If the developers are reading this, could you please let me know if that
> is a bug or not? I really need to decide soon wether or not to use PV for
> post-processing of some particle-tracing part.
>
> Thanks in advance,
> Mohamad
>
>
>
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