//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
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// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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//
//
//
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#include "G4Run.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"
#include "G4SystemOfUnits.hh"

#include "RunAction.hh"
#include "RunActionMessenger.hh"
#include "Analysis.hh"

#include "G4SDManager.hh"

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RunAction::RunAction():
G4UserRunAction(),
fIsFileOpened(false)
{
	G4RunManager::GetRunManager()->SetPrintProgress(10000);
	
	fMessenger = new RunActionMessenger(this);
    
    fFileName = "output";
    
    G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
    analysisManager->SetDefaultFileType("root"); //default is root 
    analysisManager->SetFileName(fFileName);
    analysisManager->SetNtupleMerging(true);
    analysisManager->SetVerboseLevel(0);
        
	//Creating ntuple for scattering
	analysisManager->CreateNtuple("pos","position of generated particles");
	analysisManager->CreateNtupleIColumn("eventID");
	analysisManager->CreateNtupleDColumn("posx");
    analysisManager->CreateNtupleDColumn("posy");
    analysisManager->FinishNtuple();
  	
  	G4cout << "### RunAction instantiated ###" << G4endl;    	
}

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RunAction::~RunAction() {
   	//write results
	if (fIsFileOpened) {
    	G4AnalysisManager* analysisManager = G4AnalysisManager::Instance(); 
      	analysisManager->Write();
    }
}

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G4Run* RunAction::GenerateRun() {return new G4Run;}

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void RunAction::BeginOfRunAction(const G4Run*)
{
	//merging is only for root
    if (fFileName.find(".csv") != std::string::npos) {
    	G4AnalysisManager::Instance()->SetNtupleMerging(false);
    }
    
	//open the output file         
  	if (!fIsFileOpened) {
    	G4AnalysisManager::Instance()->OpenFile(fFileName);
      	fIsFileOpened = true;
    }
}

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void RunAction::EndOfRunAction(const G4Run*)
{  	    
    //close output file
    G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();    
    analysisManager->CloseFile();    
}

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void RunAction::SetFileName(G4String filename) 
{
	if (filename != "") fFileName = filename;
}

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