Function ExecutePolyData

Filters/Geometry/vtkGeometryFilter.cxx:2474–2648

{
template <typename TInputIdType>
int ExecutePolyData(vtkGeometryFilter* self, vtkDataSet* dataSetInput, vtkPolyData* output,
  vtkExcludedFaces<TInputIdType>* exc)
{
  vtkPolyData* input = static_cast<vtkPolyData*>(dataSetInput);
  vtkIdType cellId;
  int i;
  int allVisible;
  vtkIdType npts;
  const vtkIdType* pts;
  vtkPoints* p = input->GetPoints();
  vtkIdType numCells = input->GetNumberOfCells();
  vtkIdType numPts = input->GetNumberOfPoints();
  vtkPointData* pd = input->GetPointData();
  vtkCellData* cd = input->GetCellData();
  vtkPointData* outputPD = output->GetPointData();
  vtkCellData* outputCD = output->GetCellData();
  vtkIdType newCellId, ptId;
  int visible, type;
  double x[3];
  unsigned char* cellGhosts = nullptr;
  vtkStaticCellLinksTemplate<TInputIdType>* links = (exc == nullptr ? nullptr : exc->Links);

  vtkDebugWithObjectMacro(self, << "Executing geometry filter for poly data input");

  if (cd)
  {
    if (auto ghosts = cd->GetGhostArray())
    {
      cellGhosts = ghosts->GetPointer(0);
    }
  }

  auto cellClipping = self->GetCellClipping();
  auto cellMinimum = self->GetCellMinimum();
  auto cellMaximum = self->GetCellMaximum();
  auto pointClipping = self->GetPointClipping();
  auto pointMinimum = self->GetPointMinimum();
  auto pointMaximum = self->GetPointMaximum();
  auto extentClipping = self->GetExtentClipping();
  auto extent = self->GetExtent();
  if ((!cellClipping) && (!pointClipping) && (!extentClipping))
  {
    allVisible = 1;
  }
  else
  {
    allVisible = 0;
  }

  IdRecorder origCellIds(
    self->GetPassThroughCellIds(), self->GetOriginalCellIdsName(), output->GetCellData());
  IdRecorder origPointIds(
    self->GetPassThroughPointIds(), self->GetOriginalPointIdsName(), output->GetPointData());

  // vtkPolyData points are not culled
  if (origPointIds.PassThru())
  {
    origPointIds.SetNumberOfValues(numPts);