Method GetCellNumberOfFaces

Common/DataModel/vtkDataSet.cxx:371–406

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//------------------------------------------------------------------------------
int vtkDataSet::GetCellNumberOfFaces(
  vtkIdType cellId, unsigned char& cellType, vtkGenericCell* cell)
{
  // Handles only the most common cell types, otherwise calls GetCell to get the number of faces.
  // See vtkUnstructuredGrid::GetCellNumberOfFaces for the complete list of cell types.
  cellType = static_cast<unsigned char>(this->GetCellType(cellId));
  switch (cellType)
  {
    case VTK_EMPTY_CELL:
    case VTK_VERTEX:
    case VTK_POLY_VERTEX:
    case VTK_LINE:
    case VTK_POLY_LINE:
    case VTK_TRIANGLE:
    case VTK_TRIANGLE_STRIP:
    case VTK_POLYGON:
    case VTK_PIXEL:
    case VTK_QUAD:
      return 0;
    case VTK_TETRA:
      return 4;
    case VTK_PYRAMID:
    case VTK_WEDGE:
      return 5;
    case VTK_VOXEL:
    case VTK_HEXAHEDRON:
      return 6;
    case VTK_PENTAGONAL_PRISM:
      return 7;
    case VTK_HEXAGONAL_PRISM:
      return 8;
    default:
      this->GetCell(cellId, cell);
      return cell->GetNumberOfFaces();
  }
}

namespace
{