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Geant4/examples/advanced/doiPET/src/doiPETSteppingAction.cc

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Diff markup

Differences between /examples/advanced/doiPET/src/doiPETSteppingAction.cc (Version 11.3.0) and /examples/advanced/doiPET/src/doiPETSteppingAction.cc (Version 10.5.p1)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
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 24 // *******************************************     24 // ********************************************************************
 25                                                    25 
 26 //GEANT4 - Depth-of-Interaction enabled Positr     26 //GEANT4 - Depth-of-Interaction enabled Positron emission tomography (PET) advanced example 
 27                                                    27 
 28 //Authors and contributors                         28 //Authors and contributors
 29                                                    29 
 30 // Author list to be updated, with names of co     30 // Author list to be updated, with names of co-authors and contributors from National Institute of Radiological Sciences (NIRS)
 31                                                    31 
 32 // Abdella M. Ahmed (1, 2), Andrew Chacon (1,      32 // Abdella M. Ahmed (1, 2), Andrew Chacon (1, 2), Harley Rutherford (1, 2),
 33 // Hideaki Tashima (3), Go Akamatsu (3), Akram     33 // Hideaki Tashima (3), Go Akamatsu (3), Akram Mohammadi (3), Eiji Yoshida (3), Taiga Yamaya (3)
 34 // Susanna Guatelli (2), and Mitra Safavi-Naei     34 // Susanna Guatelli (2), and Mitra Safavi-Naeini (1, 2)
 35                                                    35 
 36 // (1) Australian Nuclear Science and Technolo     36 // (1) Australian Nuclear Science and Technology Organisation, Australia
 37 // (2) University of Wollongong, Australia         37 // (2) University of Wollongong, Australia
 38 // (3) National Institute of Radiological Scie     38 // (3) National Institute of Radiological Sciences, Japan
 39                                                    39 
 40                                                    40 
 41 #include "doiPETSteppingAction.hh"                 41 #include "doiPETSteppingAction.hh"
 42 #include "doiPETAnalysis.hh"                       42 #include "doiPETAnalysis.hh"
 43 #include "doiPETRun.hh"                            43 #include "doiPETRun.hh"
 44 #include "doiPETEventAction.hh"                    44 #include "doiPETEventAction.hh"
 45                                                    45 
 46 #include "G4Step.hh"                               46 #include "G4Step.hh"
 47 #include "G4RunManager.hh"                         47 #include "G4RunManager.hh"
 48 #include "G4SteppingManager.hh"                    48 #include "G4SteppingManager.hh"
 49                                                    49 
 50 #include "G4SystemOfUnits.hh"                      50 #include "G4SystemOfUnits.hh"
 51 #include "G4PhysicalConstants.hh"                  51 #include "G4PhysicalConstants.hh"
 52 #include <limits>                                  52 #include <limits>
 53                                                    53 
 54 ////////// Constructor ///////////////////////     54 ////////// Constructor //////////////////////////////////////////////
 55 /*doiPETSteppingAction::doiPETSteppingAction()     55 /*doiPETSteppingAction::doiPETSteppingAction()
 56 {;}*/                                              56 {;}*/
 57 doiPETSteppingAction::doiPETSteppingAction()       57 doiPETSteppingAction::doiPETSteppingAction()
 58   : G4UserSteppingAction()                         58   : G4UserSteppingAction()
 59 { }                                                59 { }
 60                                                    60 
 61 ///////// Destructor /////////////////////////     61 ///////// Destructor ////////////////////////////////////////////////
 62 doiPETSteppingAction::~doiPETSteppingAction()      62 doiPETSteppingAction::~doiPETSteppingAction()
 63 {;}                                                63 {;}
 64                                                    64 
 65 ///////// UserSteppingAction /////////////////     65 ///////// UserSteppingAction ///////////////////////////////////////
 66 void doiPETSteppingAction::UserSteppingAction(     66 void doiPETSteppingAction::UserSteppingAction(const G4Step* aStep)
 67 {                                                  67 {
 68   doiPETRun* run = static_cast<doiPETRun*>(G4R     68   doiPETRun* run = static_cast<doiPETRun*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
 69                                                    69 
 70   G4Track* track = aStep->GetTrack();              70   G4Track* track = aStep->GetTrack();
 71   G4String volumeName = aStep->GetPreStepPoint     71   G4String volumeName = aStep->GetPreStepPoint()->GetPhysicalVolume()->GetName();
 72   G4double edep = aStep->GetTotalEnergyDeposit     72   G4double edep = aStep->GetTotalEnergyDeposit();
 73   G4String processName =aStep->GetPostStepPoin     73   G4String processName =aStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName();
 74   G4String particleName = track->GetDynamicPar     74   G4String particleName = track->GetDynamicParticle()->GetDefinition()->GetParticleName();
 75   //G4int eventID = G4RunManager::GetRunManage     75   //G4int eventID = G4RunManager::GetRunManager()->GetCurrentEvent() -> GetEventID(); 
 76   G4ThreeVector pos = track->GetPosition();        76   G4ThreeVector pos = track->GetPosition();
 77                                                    77 
                                                   >>  78   //G4StepPoint* point1 = aStep->GetPreStepPoint();
                                                   >>  79   //G4ThreeVector posIntCrystal = point1->GetPosition();
 78                                                    80 
 79   //G4StepPoint* p2 = aStep->GetPostStepPoint(     81   //G4StepPoint* p2 = aStep->GetPostStepPoint();
 80   G4StepPoint* p1 = aStep->GetPreStepPoint();      82   G4StepPoint* p1 = aStep->GetPreStepPoint();
 81   G4ThreeVector coord1 = p1->GetPosition();        83   G4ThreeVector coord1 = p1->GetPosition();
 82                                                    84 
 83   //The following is to get the local position <<  85   //The following is to get the local position of the with respect to the crystal volume
 84   const G4AffineTransform transformation =  p1 <<  86   const G4AffineTransform transformation =  p1->GetTouchable()-> GetHistory()->GetTopTransform();
 85   G4ThreeVector localPosition = transformation     87   G4ThreeVector localPosition = transformation.TransformPoint(coord1);
 86                                                    88 
 87   G4int blockID;                                   89   G4int blockID;
 88   G4int crystalID;                                 90   G4int crystalID;
 89                                                    91 
 90   G4int scatterIndex = 0;//For checking            92   G4int scatterIndex = 0;//For checking
 91                                                    93 
 92   //If an event is created in a cold region or     94   //If an event is created in a cold region or outside the physical volume, then it will be killed.
 93   if((volumeName != "phantom_physicalV" || vol     95   if((volumeName != "phantom_physicalV" || volumeName == "coldRegion_physicalV") && particleName== "e+"){
 94     track->SetTrackStatus(fStopAndKill);           96     track->SetTrackStatus(fStopAndKill);
 95     return;                                        97     return;   
 96   }                                                98   }
 97                                                    99 
 98   //Get the source position if the process nam    100   //Get the source position if the process name is annihilation
 99   if(processName == "annihil" && volumeName=="    101   if(processName == "annihil" && volumeName=="phantom_physicalV"){
100     doiPETAnalysis::GetInstance()->SetSourcePo    102     doiPETAnalysis::GetInstance()->SetSourcePosition(pos);
101     run->SetAnnihilationTime((track->GetGlobal    103     run->SetAnnihilationTime((track->GetGlobalTime()));
102   }                                               104   }
103                                                   105 
104   //get event ID                                  106   //get event ID
105   //doiPETAnalysis::GetInstance()->SetEventID     107   //doiPETAnalysis::GetInstance()->SetEventID (eventID);
106                                                   108 
107   //Get scatter information in the phantom by     109   //Get scatter information in the phantom by the annihilation photon before detected by the detector. Note that the scatter index is initialized to 0. 
108   //If there energy deposition in the phantom  << 110   //If there is scatter, the index is 1, and if not it is 0.
109   if(edep > 0 && particleName == "gamma"  && v << 111   if(edep>0 && (volumeName == "phantom_physicalV")) scatterIndex = 1;
110     scatterIndex = 1;                          << 112   doiPETAnalysis::GetInstance()->GetScatterIndexInPhantom(scatterIndex);
111     doiPETAnalysis::GetInstance()->SetScatterI << 
112   }                                            << 
113                                                   113 
114   ///////////////////    Retrive (Extract) inf    114   ///////////////////    Retrive (Extract) information in the crystal ///////////////////////////
115   if(edep>0. && volumeName=="Crystal_physicalV    115   if(edep>0. && volumeName=="Crystal_physicalV"){
116                                                   116 
117     //get the copy number of the block            117     //get the copy number of the block
118     blockID = aStep->GetPreStepPoint()->GetTou    118     blockID = aStep->GetPreStepPoint()->GetTouchableHandle()->GetCopyNumber(2);
119                                                   119 
120     //get the crystal copy number                 120     //get the crystal copy number
121     crystalID = aStep->GetPreStepPoint()->GetT    121     crystalID = aStep->GetPreStepPoint()->GetTouchableHandle()->GetCopyNumber(0);
122                                                   122 
123     //G4cout<<localPosition.x()<<" "<<localPos    123     //G4cout<<localPosition.x()<<" "<<localPosition.y()<<" "<<localPosition.z()<<G4endl;
124                                                   124 
125     //get event ID                                125     //get event ID
126     //doiPETAnalysis::GetInstance()->GetEventI    126     //doiPETAnalysis::GetInstance()->GetEventID (eventID);
127                                                   127 
128     //define a pointer for extracting informat    128     //define a pointer for extracting information 
129     InteractionInformation* ExtractIntInfo = n    129     InteractionInformation* ExtractIntInfo = new InteractionInformation();
130                                                   130 
131     //get the energy deposition of each intera    131     //get the energy deposition of each interaction
132     ExtractIntInfo->SetEdep( edep );              132     ExtractIntInfo->SetEdep( edep );
133                                                   133 
134                                                   134 
135     //get the blockID                             135     //get the blockID
136     ExtractIntInfo->SetBlockNo( blockID );        136     ExtractIntInfo->SetBlockNo( blockID );
137                                                   137 
138                                                   138 
139     //get the crystal ID                          139     //get the crystal ID
140     ExtractIntInfo->SetCrystalNo( crystalID );    140     ExtractIntInfo->SetCrystalNo( crystalID );
141                                                   141 
142                                                   142 
143     //get local position interaction in the cr    143     //get local position interaction in the crystal
144     ExtractIntInfo->SetInteractionPositionInCr    144     ExtractIntInfo->SetInteractionPositionInCrystal(localPosition);
145                                                   145 
146     //get the global time of the interaction w    146     //get the global time of the interaction with the crystal
147     ExtractIntInfo->SetGlobalTime( track->GetG    147     ExtractIntInfo->SetGlobalTime( track->GetGlobalTime()); 
                                                   >> 148     //G4cout<<"Step: "<<eventID<<" "<<blockID<<" "<<crystalID<<" "<<edep<<G4endl;
148                                                   149 
149     //pass all the obtained information to the    150     //pass all the obtained information to the doiPETAnalysis class
150     //doiPETAnalysis::GetInstance()->GetIntrac    151     //doiPETAnalysis::GetInstance()->GetIntractionInfomation(ExtractIntInfo);
151     run->GetIntractionInfomation(ExtractIntInf    152     run->GetIntractionInfomation(ExtractIntInfo);
152                                                   153 
153   }                                               154   }
154 }                                                 155 }
155                                                   156