Gabriele Cosmo
91 lines
3.5 KiB
C++
91 lines
3.5 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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// G4RayShooter class implementation
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//
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// Author: Makoto Asai, 2000
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// --------------------------------------------------------------------
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#include "G4RayShooter.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4PrimaryParticle.hh"
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#include "G4Event.hh"
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#include "G4ParticleTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "globals.hh"
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G4RayShooter::G4RayShooter()
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{
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SetInitialValues();
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}
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void G4RayShooter::SetInitialValues()
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{
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G4ThreeVector zero;
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particle_momentum_direction = (G4ParticleMomentum)zero;
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particle_energy = 1.0*GeV;
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particle_position = zero;
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particle_polarization = zero;
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}
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G4RayShooter::~G4RayShooter()
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{
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}
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void G4RayShooter::Shoot(G4Event* evt,G4ThreeVector vtx, G4ThreeVector direc)
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{
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if(particle_definition == nullptr)
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{
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4String particleName;
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particle_definition = particleTable->FindParticle(particleName="geantino");
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if(particle_definition == nullptr)
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{
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G4String msg;
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msg = "G4RayTracer uses geantino to trace the ray, but your physics list does not\n";
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msg += "define G4Geantino. Please add G4Geantino in your physics list.";
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G4Exception("G4RayShooter::Shoot()", "RayTracer001", FatalException, msg);
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}
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}
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// Create a new vertex
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//
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G4PrimaryVertex* vertex = new G4PrimaryVertex(vtx,particle_time);
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// Create new primaries and set them to the vertex
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//
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G4double mass = particle_definition->GetPDGMass();
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G4PrimaryParticle* particle = new G4PrimaryParticle(particle_definition);
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particle->SetKineticEnergy( particle_energy );
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particle->SetMass( mass );
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particle->SetMomentumDirection( direc );
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particle->SetPolarization(particle_polarization.x(),
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particle_polarization.y(),
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particle_polarization.z());
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vertex->SetPrimary( particle );
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evt->AddPrimaryVertex( vertex );
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}
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