Method GetPolyhedralGridCells

IO/Geometry/vtkTecplotReader.cxx:1104–1206

}

void vtkTecplotReader::GetPolyhedralGridCells(
  int numCells, int numFaces, vtkUnstructuredGrid* unstruct) const
{
  auto tok = this->Internal->GetNextToken();
  while (tok.empty())
  {
    tok = this->Internal->GetNextToken();
  }

  std::vector<size_t> nodeCountPerFace;
  size_t count;
  VTK_FROM_CHARS_IF_ERROR_RETURN(tok, count, );
  nodeCountPerFace.push_back(count);

  for (vtkIdType i = 1; i < numFaces; ++i)
  {
    tok = this->Internal->GetNextToken();
    while (tok.empty())
    {
      tok = this->Internal->GetNextToken();
    }
    VTK_FROM_CHARS_IF_ERROR_RETURN(tok, count, );
    nodeCountPerFace.push_back(count);
  }

  std::vector<std::vector<vtkIdType>> faces;
  for (vtkIdType i = 0; i < numFaces; ++i)
  {
    const size_t nodeCount = nodeCountPerFace[i];
    std::vector<vtkIdType> face;
    face.reserve(nodeCount);

    for (size_t j = 0; j < nodeCount; ++j)
    {
      tok = this->Internal->GetNextToken();
      while (tok.empty())
      {
        tok = this->Internal->GetNextToken();
      }
      vtkIdType aVertexIndex;
      VTK_FROM_CHARS_IF_ERROR_RETURN(tok, aVertexIndex, );
      face.push_back(aVertexIndex - 1); // convert from FORTRAN to C-indexing
    }

    faces.push_back(face);
  }

  std::map<vtkIdType, std::vector<vtkIdType>> polyhedra;

  for (vtkIdType i = 0; i < numFaces; ++i)
  {
    tok = this->Internal->GetNextToken();
    while (tok.empty())
    {
      tok = this->Internal->GetNextToken();
    }
    vtkIdType rightCell;
    VTK_FROM_CHARS_IF_ERROR_RETURN(tok, rightCell, );