Method ClipBoxInOut

Filters/General/vtkBoxClipDataSet.cxx:2875–3435

------------------------------------------------------------------------------ ClipBoxInOut The difference between ClipBox and ClipBoxInOut is the outputs. The ClipBoxInOut generate both outputs: inside and outside the clip box.

// The ClipBoxInOut generate both outputs: inside and outside the clip box.
//
void vtkBoxClipDataSet::ClipBoxInOut(vtkPoints* newPoints, vtkGenericCell* cell,
  vtkIncrementalPointLocator* locator, vtkCellArray** tets, vtkPointData* inPD,
  vtkPointData** outPD, vtkCellData* inCD, vtkIdType cellId, vtkCellData** outCD)
{
  vtkIdType cellType = cell->GetCellType();
  vtkIdList* cellIds = cell->GetPointIds();
  vtkCellArray* arraytetra = vtkCellArray::New();
  vtkPoints* cellPts = cell->GetPoints();
  vtkIdType npts = cellPts->GetNumberOfPoints();
  std::vector<vtkIdType> cellptId(npts);
  vtkIdType iid[4];
  const vtkIdType* v_id = nullptr;
  vtkIdType *verts, v1, v2;
  vtkIdType ptId;
  vtkIdType ptIdout[4];
  vtkIdType tab_id[6];
  vtkIdType ptstetra = 4;

  int i, j;
  int allInside;
  int cutInd;

  unsigned int planes;
  unsigned int idcellnew;
  unsigned int idtetranew;

  /* Edges Tetrahedron */
  vtkIdType edges[6][2] = {
    { 0, 1 },
    { 1, 2 },
    { 2, 0 },
    { 0, 3 },
    { 1, 3 },
    { 2, 3 },
  };
  double value, deltaScalar;
  double t;
  double v[3], x[3];
  double v_tetra[4][3];
  double *p1, *p2;

  for (i = 0; i < npts; i++)
  {
    cellptId[i] = cellIds->GetId(i);
  }

  // Convert all volume cells to tetrahedra
  this->CellGrid(cellType, npts, cellptId.data(), arraytetra);
  unsigned int totalnewtetra = arraytetra->GetNumberOfCells();

  for (idtetranew = 0; idtetranew < totalnewtetra; idtetranew++)
  {
    arraytetra->GetNextCell(ptstetra, v_id);

    for (allInside = 1, i = 0; i < 4; i++)
    {
      cellPts->GetPoint(v_id[i], v);