Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/event/src/G4RayShooter.cc

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 // G4RayShooter class implementation
 27 //
 28 // Author: Makoto Asai, 2000
 29 // --------------------------------------------------------------------
 30 
 31 #include "G4RayShooter.hh"
 32 #include "G4SystemOfUnits.hh"
 33 #include "G4PrimaryParticle.hh"
 34 #include "G4Event.hh"
 35 #include "G4ParticleTable.hh"
 36 #include "G4ParticleDefinition.hh"
 37 #include "globals.hh"
 38 
 39 void G4RayShooter::Shoot(G4Event* evt, G4ThreeVector vtx, G4ThreeVector direc)
 40 {
 41   if(particle_definition == nullptr)
 42   {
 43     G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 44     G4String particleName;
 45     particle_definition = particleTable->FindParticle(particleName="geantino");
 46     if(particle_definition == nullptr)
 47     {
 48       G4String msg;
 49       msg = "G4RayTracer uses geantino to trace the ray, but your physics list does not\n";
 50       msg += "define G4Geantino. Please add G4Geantino in your physics list.";
 51       G4Exception("G4RayShooter::Shoot()", "RayTracer001", FatalException, msg);
 52     }
 53   }
 54 
 55   // Create a new vertex
 56   //
 57   auto* vertex = new G4PrimaryVertex(vtx,particle_time);
 58 
 59   // Create new primaries and set them to the vertex
 60   //
 61   G4double mass = particle_definition->GetPDGMass();
 62   auto* particle = new G4PrimaryParticle(particle_definition);
 63   particle->SetKineticEnergy( particle_energy );
 64   particle->SetMass( mass );
 65   particle->SetMomentumDirection( direc );
 66   particle->SetPolarization(particle_polarization.x(),
 67                             particle_polarization.y(),
 68                             particle_polarization.z());
 69   vertex->SetPrimary( particle );
 70 
 71   evt->AddPrimaryVertex( vertex );
 72 }
 73