Method FindNonOrientedGeometryCursor

Common/DataModel/vtkHyperTreeGrid.cxx:855–925

}

vtkHyperTreeGridNonOrientedGeometryCursor* vtkHyperTreeGrid::FindNonOrientedGeometryCursor(
  double x[3])
{
  unsigned int i = this->FindDichotomicX(x[0]);
  if (i == std::numeric_limits<unsigned int>::max())
  {
    return nullptr;
  }
  unsigned int j = this->FindDichotomicY(x[1]);
  if (j == std::numeric_limits<unsigned int>::max())
  {
    return nullptr;
  }
  unsigned int k = this->FindDichotomicZ(x[2]);
  if (k == std::numeric_limits<unsigned int>::max())
  {
    return nullptr;
  }

  vtkIdType index;
  this->GetIndexFromLevelZeroCoordinates(index, i, j, k);

  vtkHyperTreeGridNonOrientedGeometryCursor* cursor =
    vtkHyperTreeGridNonOrientedGeometryCursor::New();
  cursor->Initialize(this, index, false);

  switch (this->BranchFactor)
  {
    case 2:
    {
      while (!cursor->IsLeaf())
      {
        double p[3];
        cursor->GetPoint(p);
        unsigned int ichild = 0;
        if (x[0] <= p[0])
        {
        }
        else
        {
          ichild = 1;
        }
        if (x[1] <= p[1])
        {
        }
        else
        {
          ichild = 2 + ichild;
        }
        if (x[2] <= p[2])
        {
        }
        else
        {
          ichild = 4 + ichild;
        }
        cursor->ToChild(ichild);
      }