Method BuildSIL

IO/Exodus/vtkExodusIIReader.cxx:3903–3970

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//------------------------------------------------------------------------------
void vtkExodusIIReaderPrivate::BuildSIL()
{
  // Initialize the SIL, dump all previous information.
  this->SIL->Initialize();
  if (this->Parser)
  {
    // The parser has built the SIL for us,
    // use that.
    this->SIL->ShallowCopy(this->Parser->GetSIL());
    return;
  }

  // Else build a minimal SIL with only the blocks.
  vtkSmartPointer<vtkVariantArray> childEdge = vtkSmartPointer<vtkVariantArray>::New();
  childEdge->InsertNextValue(0);

  vtkSmartPointer<vtkVariantArray> crossEdge = vtkSmartPointer<vtkVariantArray>::New();
  crossEdge->InsertNextValue(0);

  // CrossEdge is an edge linking hierarchies.
  vtkUnsignedCharArray* crossEdgesArray = vtkUnsignedCharArray::New();
  crossEdgesArray->SetName("CrossEdges");
  this->SIL->GetEdgeData()->AddArray(crossEdgesArray);
  crossEdgesArray->Delete();

  std::deque<std::string> names;
  int cc;

  // Now build the hierarchy.
  vtkIdType rootId = this->SIL->AddVertex();
  names.emplace_back("SIL");

  // Add the ELEM_BLOCK subtree.
  vtkIdType blocksRoot = this->SIL->AddChild(rootId, childEdge);
  names.emplace_back("Blocks");

  // Add the assembly subtree
  this->SIL->AddChild(rootId, childEdge);
  names.emplace_back("Assemblies");

  // Add the materials subtree
  this->SIL->AddChild(rootId, childEdge);
  names.emplace_back("Materials");

  // This is the map of block names to node ids.
  std::map<std::string, vtkIdType> blockids;
  int numBlocks = this->GetNumberOfObjectsOfType(vtkExodusIIReader::ELEM_BLOCK);
  for (cc = 0; cc < numBlocks; cc++)
  {
    vtkIdType child = this->SIL->AddChild(blocksRoot, childEdge);
    std::string block_name = this->GetObjectName(vtkExodusIIReader::ELEM_BLOCK, cc);
    names.push_back(block_name);
    blockids[block_name] = child;
  }

  // This array is used to assign names to nodes.
  vtkStringArray* namesArray = vtkStringArray::New();
  namesArray->SetName("Names");