Method DoTransfer

Filters/Parallel/vtkPKdTree.cxx:1136–1167

}

void vtkPKdTree::DoTransfer(int from, int to, int fromIndex, int toIndex, int count)
{
  float *fromPt, *toPt;

  vtkCommunicator* comm = this->Controller->GetCommunicator();

  int nitems = count * 3;

  int me = this->MyId;

  int tag = this->SubGroup->tag;

  if ((from == me) && (to == me))
  {
    fromPt = this->GetLocalVal(fromIndex);
    toPt = this->GetLocalValNext(toIndex);

    memcpy(toPt, fromPt, nitems * sizeof(float));
  }
  else if (from == me)
  {
    fromPt = this->GetLocalVal(fromIndex);

    comm->Send(fromPt, nitems, to, tag);
  }
  else if (to == me)
  {
    toPt = this->GetLocalValNext(toIndex);

    comm->Receive(toPt, nitems, from, tag);
  }
}

// Partition global array into three intervals, the first all values < T,
// the second all values = T, the third all values > T.  Return two