Method SetExtent

Common/DataModel/vtkExplicitStructuredGrid.cxx:477–508

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//------------------------------------------------------------------------------
void vtkExplicitStructuredGrid::SetExtent(int x0, int x1, int y0, int y1, int z0, int z1)
{
  this->Extent[0] = x0;
  this->Extent[1] = x1;
  this->Extent[2] = y0;
  this->Extent[3] = y1;
  this->Extent[4] = z0;
  this->Extent[5] = z1;

  if (this->Links)
  {
    this->Links->Initialize();
  }

  vtkIdType expectedCells = (this->Extent[1] - this->Extent[0]) *
    (this->Extent[3] - this->Extent[2]) * (this->Extent[5] - this->Extent[4]);

  vtkNew<vtkCellArray> cells;
  cells->UseFixedSize64BitStorage(8);
  this->SetCells(cells);

  // Initialize the cell array
  if (expectedCells > 0)
  {
    cells->AllocateEstimate(expectedCells, 8);
    vtkIdType ids[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
    for (vtkIdType i = 0; i < expectedCells; i++)
    {
      cells->InsertNextCell(8, ids);
    }
  }
}

//------------------------------------------------------------------------------
void vtkExplicitStructuredGrid::SetExtent(int extent[6])