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It must me used in 40 * fast simulation models. It must me used in addition to inheritance from the 41 * usual base class `G4VSensitiveDetector` for 41 * usual base class `G4VSensitiveDetector` for processing of energy deposited 42 * in G4Step. 42 * in G4Step. 43 * ProcessHits(...) method must be implemented 43 * ProcessHits(...) method must be implemented and describe how hits should be 44 * saved in the hit collections. It is invoked 44 * saved in the hit collections. It is invoked by Hit method which is public and 45 * can be called directly in the fast simulati 45 * can be called directly in the fast simulation model (if sensitive detector is 46 * known to the model), or via the helper clas 46 * known to the model), or via the helper class G4FastSimHitMaker that will 47 * locate appropriate volume and retrieve its 47 * locate appropriate volume and retrieve its sensitive detector. 48 * An extended example extended/parameterisati 48 * An extended example extended/parameterisations/Par03 demonstrates how to use 49 * G4VFastSimSensitiveDetector to deposit ener 49 * G4VFastSimSensitiveDetector to deposit energy from fast simulation and 50 * compare it to the detailed simulation. 50 * compare it to the detailed simulation. 51 * 51 * 52 */ 52 */ 53 53 54 class G4VFastSimSensitiveDetector 54 class G4VFastSimSensitiveDetector 55 { 55 { 56 public: << 56 public: 57 virtual ~G4VFastSimSensitiveDetector() = d << 57 /// Create a hit. 58 << 58 /// 59 /// Create a hit. << 59 /// It checks if G4VSensitiveDetector is also used as a base class, 60 /// << 60 /// and takes into account the readout geometry, if it is defined. 61 /// It checks if G4VSensitiveDetector is a << 61 /// User instruction on how to deposit energy needs to be implemented in 62 /// and takes into account the readout geo << 62 /// ProcessHits method. 63 /// User instruction on how to deposit ene << 63 /// @param[in] aHit Created hit (energy and position) 64 /// ProcessHits method. << 64 /// @param[in] aTrack Fast track with access to particle's track and 65 /// @param[in] aHit Created hit (energy an << 65 /// properties in envelope's local coordinates 66 /// @param[in] aTrack Fast track with acce << 66 /// @param[in] aTouchable Touchable with relevant transformations 67 /// properties in envelope's local coordin << 67 inline G4bool Hit(const G4FastHit* aHit, const G4FastTrack* aTrack, 68 /// @param[in] aTouchable Touchable with r << 68 G4TouchableHandle* aTouchable) 69 inline G4bool Hit(const G4FastHit* aHit, c << 69 { 70 G4TouchableHandle* aTouc << 70 G4bool result = true; >> 71 G4VSensitiveDetector* sensDet = dynamic_cast<G4VSensitiveDetector*>(this); >> 72 if(sensDet == nullptr) 71 { 73 { 72 G4bool result = true; << 74 G4Exception("G4VFastSimSensitiveDetector::Hit()", "InvalidSetup", 73 auto sensDet = dynamic_cast<G4VSensitive << 75 FatalException, 74 if (sensDet == nullptr) { << 76 "Sensitive detector needs also to inherit also from " 75 G4Exception("G4VFastSimSensitiveDetect << 77 "G4VSensitiveDetector if full " 76 "Sensitive detector needs << 78 "simulation is used instead!"); 77 "G4VSensitiveDetector if f << 79 } 78 "simulation is used instea << 80 if(sensDet->isActive()) 79 } << 81 { 80 if (sensDet->isActive()) { << 82 G4VReadOutGeometry* ROgeometry = sensDet->GetROgeometry(); 81 G4VReadOutGeometry* ROgeometry = sensD << 83 G4TouchableHistory* ROhistory = 0; 82 G4TouchableHistory* ROhistory = nullpt << 83 84 84 if (ROgeometry != nullptr) { << 85 if(ROgeometry) 85 // create fake pre-step point updati << 86 { 86 // geometry. << 87 // create fake pre-step point updating the touchable from read-out 87 G4Step fakeStep; << 88 // geometry. 88 const G4Track* currentTrack = aTrack << 89 G4Step fakeStep; 89 G4StepPoint* tmpPoint = fakeStep.Get << 90 const G4Track* currentTrack = aTrack->GetPrimaryTrack(); 90 tmpPoint->SetTouchableHandle(*aTouch << 91 G4StepPoint* tmpPoint = fakeStep.GetPreStepPoint(); 91 tmpPoint->SetPosition(aHit->GetPosit << 92 tmpPoint->SetTouchableHandle(*aTouchable); 92 tmpPoint->SetMomentumDirection(curre << 93 tmpPoint->SetPosition(aHit->GetPosition()); 93 result = ROgeometry->CheckROVolume(& << 94 tmpPoint->SetMomentumDirection(currentTrack->GetMomentumDirection()); 94 } << 95 result = ROgeometry->CheckROVolume(&fakeStep, ROhistory); 95 else { << 96 } else { 96 ROhistory = static_cast<G4TouchableH << 97 ROhistory = static_cast<G4TouchableHistory*>((*aTouchable)()); 97 } << 98 if (result) result = ProcessHits(aHit, << 99 } 98 } 100 else { << 99 if(result) 101 result = false; << 100 result = ProcessHits(aHit, aTrack, ROhistory); 102 } << 101 } 103 return result; << 102 else >> 103 { >> 104 result = false; 104 } 105 } >> 106 return result; >> 107 } 105 108 106 private: << 109 private: 107 /// Describes how energy and position of d << 110 /// Describes how energy and position of deposits are inserted into the hits 108 /// collection. It is a private method and << 111 /// collection. It is a private method and it will be invoked by Hit() method 109 /// of the base class once the readout geo << 112 /// of the base class once the readout geometry that may be associated to the 110 /// corresponding G4VSensitiveDetector is << 113 /// corresponding G4VSensitiveDetector is taken into account. 111 /// It needs to be implemented in the deri << 114 /// It needs to be implemented in the derived class. 112 /// @param[in] aHit Created hit (energy an << 115 /// @param[in] aHit Created hit (energy and position) 113 /// @param[in] aTrack Fast track with acce << 116 /// @param[in] aTrack Fast track with access to particle's track and 114 /// properties in envelope's local coordin << 117 /// properties in envelope's local coordinates 115 /// @param[in] aROHistory Touchable histor << 118 /// @param[in] aROHistory Touchable history with relevant transformations 116 virtual G4bool ProcessHits(const G4FastHit << 119 virtual G4bool ProcessHits(const G4FastHit* aHit, const G4FastTrack* aTrack, 117 G4TouchableHist << 120 G4TouchableHistory* aROHistory) = 0; 118 }; 121 }; 119 #endif /* G4VFASTSIMSENSITIVEDETECTOR_HH */ 122 #endif /* G4VFASTSIMSENSITIVEDETECTOR_HH */ 120 123