Method GetNeighbors

Filters/Geometry/vtkStructuredGridConnectivity.cxx:217–243

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//------------------------------------------------------------------------------
vtkIdList* vtkStructuredGridConnectivity::GetNeighbors(int gridID, int* extents)
{
  assert("pre: input extents array is nullptr" && (extents != nullptr));

  int N = this->GetNumberOfNeighbors(gridID);
  if (N < 1)
  {
    return nullptr;
  }

  vtkIdList* neiList = vtkIdList::New();
  neiList->SetNumberOfIds(N);

  unsigned int nei = 0;
  for (; nei < this->Neighbors[gridID].size(); ++nei)
  {
    vtkIdType neiId = this->Neighbors[gridID][nei].NeighborID;
    neiList->SetId(nei, neiId);
    for (int i = 0; i < 6; ++i)
    {
      extents[nei * 6 + i] = this->Neighbors[gridID][nei].OverlapExtent[i];
    }
  } // END for all neighbors

  assert("post: N==neiList.size()" && (N == neiList->GetNumberOfIds()));
  return (neiList);
}

//------------------------------------------------------------------------------
void vtkStructuredGridConnectivity::ComputeNeighbors()