Method InitializeGeometry

source/run/src/G4WorkerRunManager.cc:146–179

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// --------------------------------------------------------------------
void G4WorkerRunManager::InitializeGeometry()
{
  if (userDetector == nullptr) {
    G4Exception("G4RunManager::InitializeGeometry", "Run0033", FatalException,
                "G4VUserDetectorConstruction is not defined!");
    return;
  }

  if (fGeometryHasBeenDestroyed) {
    G4TransportationManager::GetTransportationManager()->ClearParallelWorlds();
  }

  // Step 0: Contribute to the voxelisation of the geometry
  G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
  if( geomManager->IsParallelOptimisationConfigured() && ! geomManager->IsParallelOptimisationFinished() ) {
    G4cout << "G4RunManager::InitializeGeometry calling GeometryManager's UndertakeOptimisation"
           << G4endl;  // TODO - suppress / delete this in final version
    geomManager->UndertakeOptimisation();
  }
  //  A barrier must ensure that all that all threads have finished this work.
  //  Currently we rely on the (later) barrier at the end of initialisation.

  // Step1: Get pointer to the physiWorld (note: needs to get the "super
  // pointer, i.e. the one shared by all threads"
  G4RunManagerKernel* masterKernel = G4MTRunManager::GetMasterRunManagerKernel();
  G4VPhysicalVolume* worldVol = masterKernel->GetCurrentWorld();
  // Step2:, Call a new "WorkerDefineWorldVolume( pointer from 2-, false);
  kernel->WorkerDefineWorldVolume(worldVol, false);
  kernel->SetNumberOfParallelWorld(masterKernel->GetNumberOfParallelWorld());
  // Step3: Call user's ConstructSDandField()
  userDetector->ConstructSDandField();
  userDetector->ConstructParallelSD();
  geometryInitialized = true;
}

// --------------------------------------------------------------------
void G4WorkerRunManager::RunInitialization()