Paraview version: Paraview 5.0 on Windows 7 64-bit Hello all,
I noticed a fairly specific issue and I was hoping if someone could enlighten me as to why it happens. In the RequestInformation section of a Programmable Filter, I have the following line: if inputs[0].VTKObject.GetCell(0).GetClassName() == 'vtkPolyLine': i.e. I'm testing if one of the inputs has a polyline cell. When I save the state and reload it, Paraview crashes. Through some testing, I found that the issue is specifically with inputs[0].VTKObject.GetCell(0) There must be some nuance in the VTK/Paraview pipeline that I'm unaware of that results in a memory issue or something when attempting to retrieve a cell while loading a .pvsm state file. The issue should be easily reproduced by creating a sphere, applying a Programmable Filter, and simply typing inputs[0].VTKObject.GetCell(0) in the Request Information box, saving the state and reloading it. I can get around it, but I wanted to know why it happens to get a better understanding of VTK or Paraview. If you want to know the application: The filter takes in two inputs and only one is time-dependent. To keep the time-dependence, I needed to figure out which input is the time-dependent one (the one that I know is not a line) and set the time steps and time range of the output information accordingly. Thanks, Evan Kao
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