Method GetNumberOfBoundaries

Testing/GenericBridge/vtkBridgeCell.cxx:224–248

------------------------------------------------------------------------------ Description: Number of boundaries of dimension `dim' (or all dimensions less than GetDimension() if -1) of the cell. \pre valid_dim_range: (dim==-1) || ((dim>=0)&&(dim =0

// \pre valid_dim_range: (dim==-1) || ((dim>=0)&&(dim<GetDimension()))
// \post positive_result: result>=0
int vtkBridgeCell::GetNumberOfBoundaries(int dim)
{
  assert("pre: valid_dim_range" && ((dim == -1) || ((dim >= 0) && (dim < GetDimension()))));

  int result = 0;
  if ((dim == 0) && (this->GetDimension() > 1))
  {
    result += this->Cell->GetNumberOfPoints();
    if (!this->Cell->IsLinear())
    { // Old cell API treats mid-edge nodes as vertices; subtract those out:
      result -= this->Cell->GetNumberOfEdges();
    }
  }
  if (((dim == -1) && (this->GetDimension() > 1)) || (dim == 1))
  {
    result = result + this->Cell->GetNumberOfEdges();
  }
  if (((dim == -1) && (this->GetDimension() > 2)) || (dim == 2))
  {
    result = result + this->Cell->GetNumberOfFaces();
  }

  assert("post: positive_result" && result >= 0);
  return result;
}

//------------------------------------------------------------------------------
// Description: