hadrontherapy/src/HadrontherapyPrimaryGeneratorAction.cc

0001 //
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0024 // ********************************************************************
0025 //
0026 // Hadrontherapy advanced example for Geant4
0027 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
0028
0029 #include "HadrontherapyPrimaryGeneratorAction.hh"
0030 #include "HadrontherapyPrimaryGeneratorMessenger.hh"
0031
0032 #include "HadrontherapyMatrix.hh"
0033 #include "HadrontherapyDetectorSD.hh"
0034 #include "G4SystemOfUnits.hh"
0035 #include "G4Event.hh"
0036 #include "G4ParticleGun.hh"
0037 #include "G4GeneralParticleSource.hh"
0038 #include "G4ParticleTable.hh"
0039 #include "G4ParticleDefinition.hh"
0040 #include "Randomize.hh"
0041 #include "G4IonTable.hh"
0042
0043
0044 #include "G4VUserPrimaryGeneratorAction.hh"
0045 #include "G4ParticleTable.hh"
0046
0047 #include "G4Event.hh"
0048 #include "G4Timer.hh"
0049
0050 #include "G4RunManager.hh"
0051
0052
0053
0054 /////////////////////////////////////////////////////////////////////////////
0055 HadrontherapyPrimaryGeneratorAction::HadrontherapyPrimaryGeneratorAction() :
0056   fNewSource(false)
0057 {
0058     PrimaryGeneratorMessenger = new HadrontherapyPrimaryGeneratorMessenger(this);
0059     particleGun = new G4GeneralParticleSource();
0060     calculatedPhaseSpaceFileIN = "NULL";
0061 }
0062
0063 /////////////////////////////////////////////////////////////////////////////
0064 HadrontherapyPrimaryGeneratorAction::~HadrontherapyPrimaryGeneratorAction()
0065 {
0066     delete PrimaryGeneratorMessenger;
0067     delete particleGun;
0068 }
0069
0070 /////////////////////////////////////////////////////////////////////////////
0071 void HadrontherapyPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0072 {
0073   if(fNewSource==true)
0074     {
0075       std::ifstream in(calculatedPhaseSpaceFileIN);
0076       G4double e, xpos, ypos, zpos,dirx,diry,dirz;
0077       G4int PDG;
0078       G4ThreeVector pos,dir;
0079
0080       if(in.eof())
0081         {
0082       G4Exception("HadrontherapyPrimaryGeneratorAction", "NoParticles", FatalException, "No more particles in the file");
0083         }
0084
0085       while(!in.eof())
0086         {
0087
0088       in >> e >> xpos >> ypos >>zpos >>dirx>>diry>>dirz >> PDG;
0089       dir= G4ThreeVector(dirx,diry,dirz);
0090       particleGun->GetCurrentSource()->GetEneDist()->SetMonoEnergy(e);
0091
0092       particleGun->GetCurrentSource()->GetParticlePosition().setX(xpos);
0093       particleGun->GetCurrentSource()->GetParticlePosition().setY(ypos);
0094       particleGun->GetCurrentSource()->GetParticlePosition().setZ(zpos);
0095       particleGun->GetCurrentSource()->GetAngDist()->SetParticleMomentumDirection(dir);
0096
0097       G4ParticleDefinition* particleDef = nullptr;
0098       if (PDG > 1000000000)
0099             {
0100           int a=(PDG-1000000000)-(((PDG-1000000000)/10)*10);
0101           if(a>0)
0102                 {
0103           PDG=PDG-a;
0104           particleDef = G4IonTable::GetIonTable()->GetIon(PDG);
0105           G4String Nome = particleDef->GetParticleName();
0106                 }
0107
0108           else
0109                 {
0110           particleDef = G4IonTable::GetIonTable()->GetIon(PDG);
0111           G4String Nome = particleDef->GetParticleName();
0112                 }
0113             }
0114
0115       else
0116             {
0117           particleDef = G4ParticleTable::GetParticleTable()->FindParticle(PDG);
0118             }
0119
0120       particleGun->GetCurrentSource()->SetParticleDefinition(particleDef);
0121       particleGun->GeneratePrimaryVertex(anEvent);
0122
0123         }
0124
0125         in.close();
0126
0127     }
0128     else
0129     {
0130         particleGun->GeneratePrimaryVertex(anEvent);
0131     }
0132
0133 }
0134
0135