[Paraview] Bug report: ParaView 4.1.0 crashes in 'Edit->Find Data' dialog on MultiBlockDataSet

[richard.grenon at onera.fr]

Hello,

I confirm the crash.

But before the crash, I have this warning message at step 3 when I apply 
Statistics->K Means:

> Warning: In 
> /home/utkarsh/Dashboards/MyTests/NightlyMaster/ParaViewSuperbuild-Release/paraview/src/paraview/ParaViewCore/VTKExtensions/Default/vtkSciVizStatistics.cxx, 
> line 444
>
> vtkPSciVizKMeans (0x48c0560): Either TrainingFraction (0.1) is high 
> enough to include all observations after rounding or the minimum 
> number of observations required for training is at least the size of 
> the entire input. Any assessment will not be able to detect overfitting.
>
>
Tested with PV 4.1.0 Linux 64 bits

Richard

> Hi,
>
> There is a bug in ParaView 4.1.0 (Windows & Linux) that is bothering me,
> and I haven't found a report for it yet in the mailing list or in the bug
> tracker. So here it comes:
>
> It seems that the 'Find Data' dialog doesn't work very well
> vtkMultiBlockDataSets that are filled with vtkTables. Running the query
> makes ParaView segfault.
>
> To reproduce:
> 1) Open ParaView
> 2) Choose from the 'Sources' menu 'Sphere', and click Apply.
> 3) Choose from the 'Filters' menu 'Statistics->K Means', and click Apply
> 4) Choose from the Edit menu 'Find Data'
> 5) Choose the 'Statistical Model' as the source.
> 6) Click 'Run Selection Query'
> After that it crashes. On Linux there is a segmentation fault. Windows will
> report that 'paraview.exe' has stopped working.
>
>
> By the way, here is another weird phenomenon: After step number 3, you see
> three views: The sphere in 3D, a spreadsheet view of the 'Statistical
> Model', and a spreadsheet view of the 'Assessed Data'. Notice that when you
> click on a row in the view of the 'Assessed Data', the row is selected and
> highlighted (with a blue background color), while if you click on a row in
> the view of the 'Statistical Model' the highlight appears for a moment but
> then disappears quickly again. Somehow this doesn't feel right.
>
> kind regards,
> Wijnand

-- 
  Richard GRENON
  ONERA
  Departement d'Aerodynamique Appliquee - DAAP/ACI
  8 rue des Vertugadins
  92190 MEUDON - FRANCE
  phone : +33 1 46 73 42 17
  fax   : +33 1 46 73 41 46
  mailto:Richard.Grenon at onera.fr
  http://www.onera.fr

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