Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 /* 26 /* 27 * =========================================== 27 * ============================================================================= 28 * 28 * 29 * Filename: CexmcPrimaryGeneratorActio 29 * Filename: CexmcPrimaryGeneratorAction.cc 30 * 30 * 31 * Description: primary particle position, 31 * Description: primary particle position, direction, energy etc. 32 * 32 * 33 * Version: 1.0 33 * Version: 1.0 34 * Created: 11.10.2009 14:43:03 34 * Created: 11.10.2009 14:43:03 35 * Revision: none 35 * Revision: none 36 * Compiler: gcc 36 * Compiler: gcc 37 * 37 * 38 * Author: Alexey Radkov (), 38 * Author: Alexey Radkov (), 39 * Company: PNPI 39 * Company: PNPI 40 * 40 * 41 * =========================================== 41 * ============================================================================= 42 */ 42 */ 43 43 44 #include <G4Event.hh> 44 #include <G4Event.hh> 45 #include <G4ParticleTable.hh> 45 #include <G4ParticleTable.hh> 46 #include <globals.hh> 46 #include <globals.hh> 47 #include <Randomize.hh> 47 #include <Randomize.hh> 48 #include "CexmcPrimaryGeneratorAction.hh" 48 #include "CexmcPrimaryGeneratorAction.hh" 49 #include "CexmcPrimaryGeneratorActionMessenger 49 #include "CexmcPrimaryGeneratorActionMessenger.hh" 50 #include "CexmcParticleGun.hh" 50 #include "CexmcParticleGun.hh" 51 #include "CexmcCommon.hh" 51 #include "CexmcCommon.hh" 52 52 53 53 54 CexmcPrimaryGeneratorAction::CexmcPrimaryGener 54 CexmcPrimaryGeneratorAction::CexmcPrimaryGeneratorAction( 55 CexmcPhysi 55 CexmcPhysicsManager * physicsManager ) : 56 particleGun( NULL ), fwhmPosX( 0 ), fwhmPo 56 particleGun( NULL ), fwhmPosX( 0 ), fwhmPosY( 0 ), fwhmDirX( 0 ), 57 fwhmDirY( 0 ), messenger( NULL ) 57 fwhmDirY( 0 ), messenger( NULL ) 58 { 58 { 59 particleGun = new CexmcParticleGun( physic 59 particleGun = new CexmcParticleGun( physicsManager ); 60 messenger = new CexmcPrimaryGeneratorActio 60 messenger = new CexmcPrimaryGeneratorActionMessenger( this ); 61 } 61 } 62 62 63 63 64 CexmcPrimaryGeneratorAction::~CexmcPrimaryGene 64 CexmcPrimaryGeneratorAction::~CexmcPrimaryGeneratorAction() 65 { 65 { 66 delete particleGun; 66 delete particleGun; 67 delete messenger; 67 delete messenger; 68 } 68 } 69 69 70 70 71 void CexmcPrimaryGeneratorAction::GeneratePri 71 void CexmcPrimaryGeneratorAction::GeneratePrimaries( G4Event * event ) 72 { 72 { 73 particleGun->PrepareForNewEvent(); 73 particleGun->PrepareForNewEvent(); 74 74 75 const G4ThreeVector & origPos( particleGu 75 const G4ThreeVector & origPos( particleGun->GetOrigPosition() ); 76 const G4ThreeVector & origDir( particleGu 76 const G4ThreeVector & origDir( particleGun->GetOrigDirection() ); 77 G4double origMomentumAmp( pa 77 G4double origMomentumAmp( particleGun->GetOrigMomentumAmp() ); 78 78 79 G4double randPosX( G4RandGauss::shoo 79 G4double randPosX( G4RandGauss::shoot( origPos.x(), 80 fw 80 fwhmPosX * CexmcFwhmToStddev ) ); 81 G4double randPosY( G4RandGauss::shoo 81 G4double randPosY( G4RandGauss::shoot( origPos.y(), 82 fw 82 fwhmPosY * CexmcFwhmToStddev ) ); 83 G4ThreeVector newPos( randPosX, randPosY, 83 G4ThreeVector newPos( randPosX, randPosY, origPos.z() ); 84 84 85 G4double randAngleX( G4RandGauss::sh 85 G4double randAngleX( G4RandGauss::shoot( origDir.x(), 86 fw 86 fwhmDirX * CexmcFwhmToStddev ) ); 87 G4double randAngleY( G4RandGauss::sh 87 G4double randAngleY( G4RandGauss::shoot( origDir.y(), 88 fw 88 fwhmDirY * CexmcFwhmToStddev ) ); 89 G4ThreeVector newAngle( randAngleX, randA 89 G4ThreeVector newAngle( randAngleX, randAngleY, origDir.z() ); 90 90 91 G4double newMomentumAmp( G4RandGauss 91 G4double newMomentumAmp( G4RandGauss::shoot( origMomentumAmp, 92 fw 92 fwhmMomentumAmp * origMomentumAmp * 93 Ce 93 CexmcFwhmToStddev ) ); 94 94 95 particleGun->SetParticlePosition( newPos ) 95 particleGun->SetParticlePosition( newPos ); 96 particleGun->SetParticleMomentumDirection( 96 particleGun->SetParticleMomentumDirection( newAngle ); 97 particleGun->SetParticleMomentum( newMomen 97 particleGun->SetParticleMomentum( newMomentumAmp ); 98 98 99 particleGun->GeneratePrimaryVertex( event 99 particleGun->GeneratePrimaryVertex( event ); 100 } 100 } 101 101 102 102 103 CexmcParticleGun * CexmcPrimaryGeneratorActio 103 CexmcParticleGun * CexmcPrimaryGeneratorAction::GetParticleGun( void ) 104 { 104 { 105 return particleGun; 105 return particleGun; 106 } 106 } 107 107 108 108