for (int i = 0, iEnd = theIds.size(); i < iEnd; i++){
anIds->InsertId(0,theIds[i]);
vtkIdType anId = myBallPolyData->InsertNextCell(VTK_POLY_VERTEX,anIds);
for (int i = 0, iEnd = theIds.size(); i < iEnd; i++){
anIds->InsertId(0,theIds[i]);
vtkIdType anId = myBallPolyData->InsertNextCell(VTK_POLY_VERTEX,anIds);