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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