Method ProcessScene

source/visualization/management/src/G4VSceneHandler.cc:673–794

//}

void G4VSceneHandler::ProcessScene()
{
  // Assumes graphics database store has already been cleared if
  // relevant for the particular scene handler.

  if(!fpScene)
    return;

  if(fpScene->GetExtent() == G4VisExtent::GetNullExtent())
    {
    G4Exception("G4VSceneHandler::ProcessScene", "visman0106", JustWarning,
                "The scene has no extent.");
    }

  G4VisManager* visManager = G4VisManager::GetInstance();

  if(!visManager->GetConcreteInstance())
    return;

  G4VisManager::Verbosity verbosity = visManager->GetVerbosity();

  fReadyForTransients = false;

  // Traverse geometry tree and send drawing primitives to window(s).

  const std::vector<G4Scene::Model>& runDurationModelList =
  fpScene->GetRunDurationModelList();

  if(runDurationModelList.size()) {
    if(verbosity >= G4VisManager::confirmations) {
      G4cout << "Traversing scene data..." << G4endl;
      static G4int first = true;
      if (first) {
        first = false;
        G4cout <<
        "(This could happen more than once - in fact, up to three times"
        "\nper rebuild, for opaque, transparent and non-hidden markers.)"
        << G4endl;
      }
    }

    // Reset visibility of all objects to false - visible objects will then set to true
    fpViewer->AccessSceneTree().ResetVisibility();

    BeginModeling();

    // Create modeling parameters from view parameters...
    G4ModelingParameters* pMP = CreateModelingParameters();

    for(const auto& i : runDurationModelList) {
      if(i.fActive) {
        fpModel = i.fpModel;
        fpModel->SetModelingParameters(pMP);

        // Describe to the current scene handler
        fpModel->DescribeYourselfTo(*this);

        // To see the extents of each model represented as wireframe boxes,