ExG4RunAction01.cc

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// $Id$
//

#include "ExG4RunAction01.hh"

#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "G4VVisManager.hh"
//#include "G4ios.hh"
//#include <iomanip>

#include "Randomize.hh"

const G4String ExG4RunAction01::fgkDefaultRndmFileName = "run0.rndm";

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ExG4RunAction01::ExG4RunAction01()
  : G4UserRunAction(),
    fMessenger(this),
    fRndmFileName(fgkDefaultRndmFileName),
    fVerboseLevel(1),
    fSaveRndm(false),
    fReadRndm(false),
    fAutoSeed(false)
{
}

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ExG4RunAction01::~ExG4RunAction01()
{
}

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void ExG4RunAction01::BeginOfRunAction(const G4Run* run)
{ 
  if ( fVerboseLevel > 0 ) { 
    G4cout << "### Run " << run->GetRunID() << " start." << G4endl;
  }  
  
  // read Rndm status
  if ( fReadRndm ) {
    G4cout << "\n---> rndm status restored from file: " << fRndmFileName << G4endl;
    G4Random::restoreEngineStatus(fRndmFileName);
    G4Random::showEngineStatus();
  }   

  // automatic (time-based) random seeds for each run
  if ( fAutoSeed ) {
    G4RunManager::GetRunManager()->SetRandomNumberStore(true);
    G4RunManager::GetRunManager()->SetRandomNumberStoreDir("random/");
  
    G4cout << "*******************" << G4endl;
    G4cout << "*** AUTOSEED ON ***" << G4endl;
    G4cout << "*******************" << G4endl;
    
    long seeds[2];
    time_t systime = time(NULL);
    seeds[0] = (long) systime;
    seeds[1] = (long) (systime*G4UniformRand());
    G4Random::setTheSeeds(seeds);
    G4Random::showEngineStatus();
  }
  
  // save Rndm status
  if ( fSaveRndm ) { 
    G4int runNumber = run->GetRunID();
    std::ostringstream fileName;
    fileName << "run" << runNumber << ".rndm";
    G4Random::saveEngineStatus(fileName.str().c_str()); 
    G4Random::showEngineStatus();
  }  
  
  if ( G4VVisManager::GetConcreteInstance() )  {
    G4UImanager::GetUIpointer()->ApplyCommand("/vis/scene/notifyHandlers");
  }  
}

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void ExG4RunAction01::EndOfRunAction(const G4Run* run)
{
  // save Rndm status
  if ( fSaveRndm ) { 
    G4int runNumber = run->GetRunID();
    std::ostringstream fileName;
    fileName << "run" << runNumber << "end.rndm";
    G4Random::saveEngineStatus(fileName.str().c_str()); 
    G4Random::showEngineStatus();
  }     

  if ( G4VVisManager::GetConcreteInstance() ) {
    G4UImanager::GetUIpointer()->ApplyCommand("/vis/viewer/update");
  }
}

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