Method CopyInternal

Common/DataModel/vtkGraph.cxx:641–717

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//------------------------------------------------------------------------------
void vtkGraph::CopyInternal(vtkGraph* g, bool deep)
{
  if (deep)
  {
    vtkDataObject::DeepCopy(g);
  }
  else
  {
    vtkDataObject::ShallowCopy(g);
  }
  if (g->DistributedHelper)
  {
    if (!this->DistributedHelper)
    {
      this->SetDistributedGraphHelper(g->DistributedHelper->Clone());
    }
  }
  else if (this->DistributedHelper)
  {
    this->SetDistributedGraphHelper(nullptr);
  }

  // Copy on write.
  this->SetInternals(g->Internals);

  if (deep)
  {
    this->EdgeData->DeepCopy(g->EdgeData);
    this->VertexData->DeepCopy(g->VertexData);
    this->DeepCopyEdgePoints(g);
  }
  else
  {
    this->EdgeData->ShallowCopy(g->EdgeData);
    this->VertexData->ShallowCopy(g->VertexData);
    this->ShallowCopyEdgePoints(g);
  }

  // Copy points
  if (g->Points && deep)
  {
    if (!this->Points)
    {
      this->Points = vtkPoints::New();
    }
    this->Points->DeepCopy(g->Points);
  }
  else
  {
    this->SetPoints(g->Points);
  }

  // Copy edge list
  this->Internals->NumberOfEdges = g->Internals->NumberOfEdges;
  if (g->EdgeList && deep)
  {
    if (!this->EdgeList)
    {