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25 //
26 /*
27 * ============================================================================
28 *
29 * Filename: CexmcSteppingAction.cc
30 *
31 * Description: stepping action
32 *
33 * Version: 1.0
34 * Created: 27.10.2009 16:03:07
35 * Revision: none
36 * Compiler: gcc
37 *
38 * Author: Alexey Radkov (),
39 * Company: PNPI
40 *
41 * ============================================================================
42 */
43
44 #include <G4Step.hh>
45 #include <G4Track.hh>
46 #include <G4ParticleDefinition.hh>
47 #include <G4VTouchable.hh>
48 #include <G4NavigationHistory.hh>
49 #include <G4AffineTransform.hh>
50 #include <G4UnitsTable.hh>
51 #include <G4RunManager.hh>
52 #include "CexmcSteppingAction.hh"
53 #include "CexmcPhysicsManager.hh"
54 #include "CexmcSetup.hh"
55 #include "CexmcIncidentParticleTrackInfo.hh"
56 #include "CexmcCommon.hh"
57
58
59 CexmcSteppingAction::CexmcSteppingAction(
60 CexmcPhysicsManager * physicsManager_ ) :
61 physicsManager( physicsManager_ ), targetVolume( NULL )
62 {
63 G4RunManager * runManager( G4RunManager::GetRunManager() );
64 const CexmcSetup * setup( static_cast< const CexmcSetup * >(
65 runManager->GetUserDetectorConstruction() ) );
66 targetVolume = setup->GetVolume( CexmcSetup::Target );
67 }
68
69
70 void CexmcSteppingAction::UserSteppingAction( const G4Step * step )
71 {
72 G4Track * track( step->GetTrack() );
73 CexmcTrackInfo * trackInfo( static_cast< CexmcTrackInfo * >(
74 track->GetUserInformation() ) );
75
76 if ( ! trackInfo ||
77 trackInfo->GetTypeInfo() != CexmcIncidentParticleTrackType )
78 return;
79
80 CexmcIncidentParticleTrackInfo * theTrackInfo(
81 static_cast< CexmcIncidentParticleTrackInfo * >( trackInfo ) );
82
83 G4StepPoint * postStepPoint( step->GetPostStepPoint() );
84 G4StepStatus stepStatus( postStepPoint->GetStepStatus() );
85 const G4VTouchable * touchable( postStepPoint->GetTouchable() );
86 G4VPhysicalVolume * volume( touchable->GetVolume() );
87
88 if ( volume && volume->GetLogicalVolume() == targetVolume )
89 {
90 if ( ! theTrackInfo->IsStudiedProcessActivated() )
91 {
92 physicsManager->ResampleTrackLengthInTarget( track, postStepPoint );
93 theTrackInfo->ActivateStudiedProcess();
94 }
95
96 if ( stepStatus != fGeomBoundary )
97 {
98 if ( theTrackInfo->NeedsTrackLengthResampling() )
99 physicsManager->ResampleTrackLengthInTarget(
100 track, postStepPoint );
101 else
102 theTrackInfo->AddTrackLengthInTarget( step->GetStepLength() );
103 }
104 }
105
106 G4StepPoint * preStepPoint( step->GetPreStepPoint() );
107 touchable = preStepPoint->GetTouchable();
108 volume = touchable->GetVolume();
109
110 if ( volume && volume->GetLogicalVolume() == targetVolume )
111 {
112 if ( stepStatus == fGeomBoundary )
113 theTrackInfo->ActivateStudiedProcess( false );
114 }
115 }
116
117