[Paraview] [catalyst]how to transfer the simulation grid coordinates to the vtkImageData grid

[刘楚高]

hi, all

In Catalyst example "Fortran90FullExample" -> "FECxxAdaptor.cxx"->"createcpi
magedata_", the grid is new and has no coordinates. So, how to transfer the
simulation grid coordinates to this vtkImageData grid?

Thank you!

extern "C" void createcpimagedata_(int* nxstart, int* nxend, int* nx,

                                   int* ny, int* nz)

{

  if (!vtkCPPythonAdaptorAPI::GetCoProcessorData())

    {

    vtkGenericWarningMacro("Unable to access CoProcessorData.");

    return;

    }


  // The simulation grid is a 3-dimensional topologically and geometrically

  // regular grid. In VTK/ParaView, this is considered an image data set.

  vtkSmartPointer<vtkImageData> grid = vtkSmartPointer<vtkImageData>::New();


  grid->SetExtent(*nxstart-1, *nxend-1, 0, *ny-1, 0, *nz-1);


  // Name should be consistent between here, Fortran and Python client
script.

  vtkCPPythonAdaptorAPI::GetCoProcessorData()->GetInputDescriptionByName("
input")->SetGrid(grid);

  vtkCPPythonAdaptorAPI::GetCoProcessorData()->GetInputDescriptionByName("
input")->SetWholeExtent(0, *nx-1, 0, *ny-1, 0, *nz-1);

}

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