Method GetNumberOfCellsUsingEdge

Common/DataModel/vtkSimpleCellTessellator.cxx:2553–2579

------------------------------------------------------------------------------ Return number of cells using edge #edgeId

//------------------------------------------------------------------------------
// Return number of cells using edge #edgeId
int vtkSimpleCellTessellator::GetNumberOfCellsUsingEdge(int edgeId)
{
  assert("pre: valid_range" && edgeId >= 0); // && edgeId<=5);
#if SLOW_API
  int result = 0;
  this->GenericCell->GetBoundaryIterator(this->CellIterator, 1);
  this->CellIterator->Begin();

  int i = 0;
  while (!this->CellIterator->IsAtEnd() && (i < edgeId))
  {
    this->CellIterator->Next();
    ++i;
  }

  assert("check: cell_found" && i == edgeId);
  // +1 because CountNeighbors does not include the cell itself.
  result = this->GenericCell->CountNeighbors(this->CellIterator->GetCell()) + 1;
  return result;
#else
  // The cell with the greatest number of edges is the hexagonal prism
  // 6*2+6
  int edgeSharing[18];
  this->GenericCell->CountEdgeNeighbors(edgeSharing);
  return edgeSharing[edgeId] + 1;
#endif
}

//------------------------------------------------------------------------------
// Return number of cells using face #faceId