Gabriele Cosmo
49 lines
1.5 KiB
Plaintext
49 lines
1.5 KiB
Plaintext
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: EXPO_Primary.icc,v 1.3 1999/12/15 14:48:41 gunter Exp $
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// GEANT4 tag $Name: geant4-03-01 $
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//
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// See also G4/run/example/EXPO_PrimaryGeneratorAction.cc.
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#include <G4VUserPrimaryGeneratorAction.hh>
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#include <globals.hh>
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#include <G4Event.hh>
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#include <G4ParticleGun.hh>
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#include <G4ParticleTable.hh>
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#include <G4ParticleDefinition.hh>
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class EXPO_PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
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{
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private:
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G4ParticleGun* particleGun;
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public:
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EXPO_PrimaryGeneratorAction()
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{
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G4int n_particle = 1;
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G4String particleName;
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particleGun = new G4ParticleGun(n_particle);
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4ParticleDefinition* particle = particleTable->FindParticle(particleName="e-");
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particleGun->SetParticleDefinition (particle);
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particleGun->SetParticleEnergy (1.*GeV);
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particleGun->SetParticleMomentumDirection (G4ThreeVector(1.,0.,0.));
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particleGun->SetParticlePosition (G4ThreeVector(0.*cm,0.*cm,0.*cm));
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}
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~EXPO_PrimaryGeneratorAction()
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{
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delete particleGun;
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}
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void GeneratePrimaries(G4Event* anEvent)
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{
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particleGun->GeneratePrimaryVertex(anEvent);
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}
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};
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