153 lines
5.6 KiB
C++
153 lines
5.6 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Derived from
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// https://twiki.cern.ch/twiki/bin/view/Geant4/QuickMigrationGuideForGeant4V10
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// Courtesy of A. Dotti
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//
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// This example is provided by the Geant4-DNA collaboration
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// Any report or published results obtained using the Geant4-DNA software
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// shall cite the following Geant4-DNA collaboration publications:
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// Med. Phys. 37 (2010) 4692-4708
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// Phys. Med. 31 (2015) 861-874
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// The Geant4-DNA web site is available at http://geant4-dna.org
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//
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/// \file medical/dna/svalue2/src/MyPrimaryGeneratorActionFromFile.cc
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/// \brief Implementation of the MyPrimaryGeneratorActionFromFile class
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#include "MyPrimaryGeneratorActionFromFile.hh"
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#include "MyFileReader.hh"
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#include "DetectorConstruction.hh"
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#include "G4ParticleTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "Randomize.hh"
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#include "G4RandomDirection.hh"
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#include "G4AutoLock.hh"
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#include "G4ParticleGun.hh"
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#include "G4String.hh"
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#include "G4ThreeVector.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4RunManager.hh"
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#include "G4StateManager.hh"
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namespace { G4Mutex myPrimGenMutex = G4MUTEX_INITIALIZER; }
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MyFileReader* MyPrimaryGeneratorActionFromFile::fileReader = 0;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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MyPrimaryGeneratorActionFromFile::MyPrimaryGeneratorActionFromFile()
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:G4VUserPrimaryGeneratorAction(), G4VStateDependent(),
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fParticleGun(0),
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fDetector(0)
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{
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fDetector =
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dynamic_cast<const DetectorConstruction*>(G4RunManager::GetRunManager()
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->GetUserDetectorConstruction());
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G4AutoLock lock(&myPrimGenMutex);
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if( !fileReader ) fileReader = new MyFileReader();
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fParticleGun = new G4ParticleGun(1);
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4ParticleDefinition* particle = particleTable->FindParticle("e-");
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fParticleGun->SetParticleDefinition(particle);
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fParticleGun->SetParticleEnergy(10.*MeV);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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MyPrimaryGeneratorActionFromFile::~MyPrimaryGeneratorActionFromFile()
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{
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G4AutoLock lock(&myPrimGenMutex);
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if( fileReader ) { delete fileReader; fileReader = 0; }
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G4StateManager::GetStateManager()->DeregisterDependent(this);
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if(fParticleGun) delete fParticleGun;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void MyPrimaryGeneratorActionFromFile::GeneratePrimaries(G4Event* anEvent)
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{
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//Energy is read from file
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//
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G4double nrj = 0;
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if(fileReader)
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{
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G4AutoLock lock(&myPrimGenMutex);
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nrj = fileReader->GetAnEvent();
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}
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fParticleGun->SetParticleEnergy(nrj*eV);
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//
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G4double thickness = fDetector->GetCytoThickness();
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G4double radius = fDetector->GetNuclRadius();
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G4double rx=1*m;
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G4double ry=1*m;
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G4double rz=1*m;
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G4double myRadius = 0;
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do
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{
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rx = (2*G4UniformRand()-1)*(radius+thickness)*1.01;
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ry = (2*G4UniformRand()-1)*(radius+thickness)*1.01;
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rz = (2*G4UniformRand()-1)*(radius+thickness)*1.01;
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myRadius = std::sqrt(rx*rx+ry*ry+rz*rz);
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} while (myRadius>radius+thickness || myRadius<radius) ;
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fParticleGun->SetParticlePosition(G4ThreeVector(rx,ry,rz));
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fParticleGun->SetParticleMomentumDirection(G4RandomDirection());
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//G4cout << "---> EVENT ID=" << anEvent->GetEventID()+1 << G4endl;
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//G4cout << "---> energy/eV=" << nrj << G4endl;
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fParticleGun->GeneratePrimaryVertex(anEvent);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4bool MyPrimaryGeneratorActionFromFile::Notify(G4ApplicationState requestedState)
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{
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if(requestedState == G4State_Idle)
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{
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if(fParticleGun != 0) return true;
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fParticleGun = new G4ParticleGun(1);
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// Define default primary
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G4ParticleDefinition* particle
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= G4ParticleTable::GetParticleTable()->FindParticle("e-");
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fParticleGun->SetParticleDefinition(particle);
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fParticleGun->SetParticleEnergy(300*eV);
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fParticleGun->SetParticlePosition(G4ThreeVector());
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fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1,0,0));
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}
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return true;
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}
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