Method CopyStructure

Common/DataModel/vtkHyperTreeGrid.cxx:370–432

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkHyperTreeGrid::CopyStructure(vtkDataObject* ds)
{
  vtkHyperTreeGrid* htg = vtkHyperTreeGrid::SafeDownCast(ds);
  if (!htg)
  {
    vtkErrorMacro("Unable to copy structure of a non-HTG or empty data object in an HTG");
    return;
  }

  // RectilinearGrid
  memcpy(this->Dimensions, htg->GetDimensions(), 3 * sizeof(unsigned int));
  this->SetExtent(htg->GetExtent());
  memcpy(this->CellDims, htg->GetCellDims(), 3 * sizeof(unsigned int));
  this->DataDescription = htg->DataDescription;

  this->WithCoordinates = htg->WithCoordinates;
  if (this->WithCoordinates)
  {
    this->GetXCoordinates()->DeepCopy(htg->XCoordinates);
    this->GetYCoordinates()->DeepCopy(htg->YCoordinates);
    this->GetZCoordinates()->DeepCopy(htg->ZCoordinates);
  }

  // Copy grid parameters
  this->BranchFactor = htg->BranchFactor;
  this->Dimension = htg->Dimension;
  this->Orientation = htg->Orientation;

  memcpy(this->Extent, htg->GetExtent(), 6 * sizeof(int));
  memcpy(this->Axis, htg->GetAxes(), 2 * sizeof(unsigned int));
  this->NumberOfChildren = htg->NumberOfChildren;
  this->DepthLimiter = htg->DepthLimiter;
  this->TransposedRootIndexing = htg->TransposedRootIndexing;
  this->HasInterface = htg->HasInterface;
  this->SetInterfaceNormalsName(htg->InterfaceNormalsName);
  this->SetInterfaceInterceptsName(htg->InterfaceInterceptsName);

  // Shallow copy masked if needed
  this->SetMask(htg->GetMask());
  vtkSetObjectBodyMacro(PureMask, vtkBitArray, htg->GetPureMask());

  // Search for hyper tree with given index
  this->HyperTrees.clear();

  for (std::map<vtkIdType, vtkSmartPointer<vtkHyperTree>>::const_iterator it =
         htg->HyperTrees.begin();
       it != htg->HyperTrees.end(); ++it)
  {
    vtkNew<vtkHyperTree> tree;
    if (!tree->Initialize(this->BranchFactor, this->Dimension))
    {
      vtkGenericWarningMacro("Failed to copy structure.");
      break;
    }
    tree->CopyStructure(it->second);
    this->HyperTrees[it->first] = tree;
  }