[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | #include "LXeSteppingAction.hh" |
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| 27 | #include "LXeEventAction.hh" |
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| 28 | #include "LXeTrackingAction.hh" |
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| 29 | #include "LXeTrajectory.hh" |
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| 30 | #include "LXePMTSD.hh" |
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| 31 | #include "LXeUserTrackInformation.hh" |
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| 32 | #include "LXeUserEventInformation.hh" |
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| 33 | #include "LXeSteppingMessenger.hh" |
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| 34 | #include "RecorderBase.hh" |
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| 35 | |
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| 36 | #include "G4SteppingManager.hh" |
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| 37 | #include "G4SDManager.hh" |
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| 38 | #include "G4EventManager.hh" |
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| 39 | #include "G4ProcessManager.hh" |
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| 40 | #include "G4Track.hh" |
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| 41 | #include "G4Step.hh" |
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| 42 | #include "G4Event.hh" |
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| 43 | #include "G4StepPoint.hh" |
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| 44 | #include "G4TrackStatus.hh" |
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| 45 | #include "G4VPhysicalVolume.hh" |
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| 46 | #include "G4ParticleDefinition.hh" |
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| 47 | #include "G4ParticleTypes.hh" |
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| 48 | #include "G4OpBoundaryProcess.hh" |
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| 49 | |
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| 50 | //_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ |
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| 51 | LXeSteppingAction::LXeSteppingAction(RecorderBase* r) |
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| 52 | :recorder(r),oneStepPrimaries(false) |
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| 53 | { |
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| 54 | steppingMessenger = new LXeSteppingMessenger(this); |
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| 55 | } |
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| 56 | |
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| 57 | //_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ |
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| 58 | LXeSteppingAction::~LXeSteppingAction() |
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| 59 | {} |
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| 60 | |
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| 61 | //_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ |
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| 62 | void LXeSteppingAction::UserSteppingAction(const G4Step * theStep){ |
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| 63 | G4Track* theTrack = theStep->GetTrack(); |
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| 64 | |
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| 65 | LXeUserTrackInformation* trackInformation |
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| 66 | =(LXeUserTrackInformation*)theTrack->GetUserInformation(); |
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| 67 | LXeUserEventInformation* eventInformation |
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| 68 | =(LXeUserEventInformation*)G4EventManager::GetEventManager() |
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| 69 | ->GetConstCurrentEvent()->GetUserInformation(); |
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| 70 | |
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| 71 | G4StepPoint* thePrePoint = theStep->GetPreStepPoint(); |
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| 72 | G4VPhysicalVolume* thePrePV = thePrePoint->GetPhysicalVolume(); |
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| 73 | |
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| 74 | G4StepPoint* thePostPoint = theStep->GetPostStepPoint(); |
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| 75 | G4VPhysicalVolume* thePostPV = thePostPoint->GetPhysicalVolume(); |
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| 76 | |
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| 77 | G4OpBoundaryProcessStatus boundaryStatus=Undefined; |
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| 78 | static G4OpBoundaryProcess* boundary=NULL; |
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| 79 | |
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| 80 | //find the boundary process only once |
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| 81 | if(!boundary){ |
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| 82 | G4ProcessManager* pm |
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| 83 | = theStep->GetTrack()->GetDefinition()->GetProcessManager(); |
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| 84 | G4int nprocesses = pm->GetProcessListLength(); |
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| 85 | G4ProcessVector* pv = pm->GetProcessList(); |
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| 86 | G4int i; |
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| 87 | for( i=0;i<nprocesses;i++){ |
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| 88 | if((*pv)[i]->GetProcessName()=="OpBoundary"){ |
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| 89 | boundary = (G4OpBoundaryProcess*)(*pv)[i]; |
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| 90 | break; |
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| 91 | } |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | if(theTrack->GetParentID()==0){ |
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| 96 | //This is a primary track |
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| 97 | |
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| 98 | G4TrackVector* fSecondary=fpSteppingManager->GetfSecondary(); |
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| 99 | G4int tN2ndariesTot = fpSteppingManager->GetfN2ndariesAtRestDoIt() |
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| 100 | + fpSteppingManager->GetfN2ndariesAlongStepDoIt() |
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| 101 | + fpSteppingManager->GetfN2ndariesPostStepDoIt(); |
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| 102 | |
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| 103 | //If we havent already found the conversion position and there were |
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| 104 | //secondaries generated, then search for it |
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| 105 | if(!eventInformation->IsConvPosSet() && tN2ndariesTot>0 ){ |
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| 106 | for(size_t lp1=(*fSecondary).size()-tN2ndariesTot; |
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| 107 | lp1<(*fSecondary).size(); lp1++){ |
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| 108 | const G4VProcess* creator=(*fSecondary)[lp1]->GetCreatorProcess(); |
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| 109 | if(creator){ |
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| 110 | G4String creatorName=creator->GetProcessName(); |
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| 111 | if(creatorName=="phot"||creatorName=="compt"||creatorName=="conv"){ |
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| 112 | //since this is happening before the secondary is being tracked |
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| 113 | //the Vertex position has not been set yet(set in initial step) |
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| 114 | eventInformation->SetConvPos((*fSecondary)[lp1]->GetPosition()); |
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| 115 | } |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | |
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| 120 | if(oneStepPrimaries&&thePrePV->GetName()=="scintillator") |
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| 121 | theTrack->SetTrackStatus(fStopAndKill); |
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| 122 | } |
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| 123 | |
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| 124 | if(!thePostPV){//out of world |
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| 125 | return; |
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| 126 | } |
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| 127 | |
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| 128 | G4ParticleDefinition* particleType = theTrack->GetDefinition(); |
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| 129 | if(particleType==G4OpticalPhoton::OpticalPhotonDefinition()){ |
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| 130 | //Optical photon only |
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| 131 | |
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| 132 | if(thePrePV->GetName()=="Slab") |
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| 133 | //force drawing of photons in WLS slab |
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| 134 | trackInformation->SetForceDrawTrajectory(true); |
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| 135 | else if(thePostPV->GetName()=="expHall") |
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| 136 | //Kill photons entering expHall from something other than Slab |
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| 137 | theTrack->SetTrackStatus(fStopAndKill); |
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| 138 | |
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| 139 | //Was the photon absorbed by the absorption process |
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| 140 | if(thePostPoint->GetProcessDefinedStep()->GetProcessName() |
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| 141 | =="OpAbsorption"){ |
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| 142 | eventInformation->IncAbsorption(); |
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| 143 | trackInformation->AddTrackStatusFlag(absorbed); |
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| 144 | } |
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| 145 | |
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| 146 | boundaryStatus=boundary->GetStatus(); |
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| 147 | |
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| 148 | //Check to see if the partcile was actually at a boundary |
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| 149 | //Otherwise the boundary status may not be valid |
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| 150 | //Prior to Geant4.6.0-p1 this would not have been enough to check |
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| 151 | if(thePostPoint->GetStepStatus()==fGeomBoundary){ |
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| 152 | switch(boundaryStatus){ |
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| 153 | case Absorption: |
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| 154 | trackInformation->AddTrackStatusFlag(boundaryAbsorbed); |
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| 155 | eventInformation->IncBoundaryAbsorption(); |
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| 156 | break; |
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| 157 | case Detection: //Note, this assumes that the volume causing detection |
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| 158 | //is the photocathode because it is the only one with |
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| 159 | //non-zero efficiency |
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| 160 | { |
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| 161 | //Triger sensitive detector manually since photon is |
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| 162 | //absorbed but status was Detection |
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| 163 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
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| 164 | G4String sdName="/LXeDet/pmtSD"; |
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| 165 | LXePMTSD* pmtSD = (LXePMTSD*)SDman |
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| 166 | ->FindSensitiveDetector(sdName); |
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| 167 | if(pmtSD) |
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| 168 | pmtSD->ProcessHits_constStep(theStep,NULL); |
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| 169 | trackInformation->AddTrackStatusFlag(hitPMT); |
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| 170 | break; |
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| 171 | } |
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| 172 | case FresnelReflection: |
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| 173 | case TotalInternalReflection: |
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| 174 | case SpikeReflection: |
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| 175 | trackInformation->IncReflections(); |
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| 176 | break; |
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| 177 | default: |
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| 178 | break; |
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| 179 | } |
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| 180 | if(thePostPV->GetName()=="sphere") |
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| 181 | trackInformation->AddTrackStatusFlag(hitSphere); |
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| 182 | } |
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| 183 | } |
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| 184 | |
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| 185 | if(recorder)recorder->RecordStep(theStep); |
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| 186 | } |
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