Function BuildVTKGrid

Examples/Catalyst/CxxSOADataArrayExample/FEAdaptor.cxx:28–55

vtkUnstructuredGrid* VTKGrid;

void BuildVTKGrid(Grid& grid)
{
  // create the points information
  vtkSOADataArrayTemplate<double>* pointArray = vtkSOADataArrayTemplate<double>::New();
  pointArray->SetNumberOfComponents(3);
  pointArray->SetNumberOfTuples(grid.GetNumberOfPoints());
  pointArray->SetArray(0, grid.GetPointsArray(), grid.GetNumberOfPoints(), false, true);
  pointArray->SetArray(
    1, grid.GetPointsArray() + grid.GetNumberOfPoints(), grid.GetNumberOfPoints(), false, true);
  pointArray->SetArray(
    2, grid.GetPointsArray() + 2 * grid.GetNumberOfPoints(), grid.GetNumberOfPoints(), false, true);

  vtkNew<vtkPoints> points;
  points->SetData(pointArray);
  pointArray->Delete();
  VTKGrid->SetPoints(points);

  // create the cells
  size_t numCells = grid.GetNumberOfCells();
  VTKGrid->Allocate(static_cast<vtkIdType>(numCells * 9));
  for (size_t cell = 0; cell < numCells; cell++)
  {
    unsigned int* cellPoints = grid.GetCellPoints(cell);
    vtkIdType tmp[8] = { cellPoints[0], cellPoints[1], cellPoints[2], cellPoints[3], cellPoints[4],
      cellPoints[5], cellPoints[6], cellPoints[7] };
    VTKGrid->InsertNextCell(VTK_HEXAHEDRON, 8, tmp);
  }
}

void UpdateVTKAttributes(Grid& grid, Attributes& attributes, vtkCPInputDataDescription* idd)
{