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26 26
27 #ifndef G4VFASTSIMSENSITIVEDETECTOR_HH 27 #ifndef G4VFASTSIMSENSITIVEDETECTOR_HH
28 #define G4VFASTSIMSENSITIVEDETECTOR_HH 28 #define G4VFASTSIMSENSITIVEDETECTOR_HH
29 29
30 #include "G4FastHit.hh" <<
31 #include "G4FastTrack.hh" <<
32 #include "G4TouchableHistory.hh" <<
33 #include "G4VReadOutGeometry.hh" 30 #include "G4VReadOutGeometry.hh"
>> 31 #include "G4TouchableHistory.hh"
34 #include "G4VSensitiveDetector.hh" 32 #include "G4VSensitiveDetector.hh"
>> 33 #include "G4FastHit.hh"
>> 34 #include "G4FastTrack.hh"
35 35
36 /** 36 /**
37 * @brief Base class for the sensitive detecto 37 * @brief Base class for the sensitive detector used within the fast simulation
38 * 38 *
39 * Base class for a sensitive detector that al 39 * Base class for a sensitive detector that allows to store hits created in the
40 * fast simulation models. 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 virtual ~G4VFastSimSensitiveDetector() = default;
58 << 58 /// Create a hit.
59 /// Create a hit. << 59 ///
60 /// << 60 /// It checks if G4VSensitiveDetector is also used as a base class,
61 /// It checks if G4VSensitiveDetector is a << 61 /// and takes into account the readout geometry, if it is defined.
62 /// and takes into account the readout geo << 62 /// User instruction on how to deposit energy needs to be implemented in
63 /// User instruction on how to deposit ene << 63 /// ProcessHits method.
64 /// ProcessHits method. << 64 /// @param[in] aHit Created hit (energy and position)
65 /// @param[in] aHit Created hit (energy an << 65 /// @param[in] aTrack Fast track with access to particle's track and
66 /// @param[in] aTrack Fast track with acce << 66 /// properties in envelope's local coordinates
67 /// properties in envelope's local coordin << 67 /// @param[in] aTouchable Touchable with relevant transformations
68 /// @param[in] aTouchable Touchable with r << 68 inline G4bool Hit(const G4FastHit* aHit, const G4FastTrack* aTrack,
69 inline G4bool Hit(const G4FastHit* aHit, c << 69 G4TouchableHandle* aTouchable)
70 G4TouchableHandle* aTouc << 70 {
>> 71 G4bool result = true;
>> 72 G4VSensitiveDetector* sensDet = dynamic_cast<G4VSensitiveDetector*>(this);
>> 73 if(sensDet == nullptr)
71 { 74 {
72 G4bool result = true; << 75 G4Exception("G4VFastSimSensitiveDetector::Hit()", "InvalidSetup",
73 auto sensDet = dynamic_cast<G4VSensitive << 76 FatalException,
74 if (sensDet == nullptr) { << 77 "Sensitive detector needs also to inherit also from "
75 G4Exception("G4VFastSimSensitiveDetect << 78 "G4VSensitiveDetector if full "
76 "Sensitive detector needs << 79 "simulation is used instead!");
77 "G4VSensitiveDetector if f << 80 }
78 "simulation is used instea << 81 if(sensDet->isActive())
79 } << 82 {
80 if (sensDet->isActive()) { << 83 G4VReadOutGeometry* ROgeometry = sensDet->GetROgeometry();
81 G4VReadOutGeometry* ROgeometry = sensD << 84 G4TouchableHistory* ROhistory = 0;
82 G4TouchableHistory* ROhistory = nullpt <<
83 85
84 if (ROgeometry != nullptr) { << 86 if(ROgeometry)
85 // create fake pre-step point updati << 87 {
86 // geometry. << 88 // create fake pre-step point updating the touchable from read-out
87 G4Step fakeStep; << 89 // geometry.
88 const G4Track* currentTrack = aTrack << 90 G4Step fakeStep;
89 G4StepPoint* tmpPoint = fakeStep.Get << 91 const G4Track* currentTrack = aTrack->GetPrimaryTrack();
90 tmpPoint->SetTouchableHandle(*aTouch << 92 G4StepPoint* tmpPoint = fakeStep.GetPreStepPoint();
91 tmpPoint->SetPosition(aHit->GetPosit << 93 tmpPoint->SetTouchableHandle(*aTouchable);
92 tmpPoint->SetMomentumDirection(curre << 94 tmpPoint->SetPosition(aHit->GetPosition());
93 result = ROgeometry->CheckROVolume(& << 95 tmpPoint->SetMomentumDirection(currentTrack->GetMomentumDirection());
94 } << 96 result = ROgeometry->CheckROVolume(&fakeStep, ROhistory);
95 else { << 97 } else {
96 ROhistory = static_cast<G4TouchableH << 98 ROhistory = static_cast<G4TouchableHistory*>((*aTouchable)());
97 } <<
98 if (result) result = ProcessHits(aHit, <<
99 } 99 }
100 else { << 100 if(result)
101 result = false; << 101 result = ProcessHits(aHit, aTrack, ROhistory);
102 } << 102 }
103 return result; << 103 else
>> 104 {
>> 105 result = false;
104 } 106 }
>> 107 return result;
>> 108 }
105 109
106 private: << 110 private:
107 /// Describes how energy and position of d << 111 /// Describes how energy and position of deposits are inserted into the hits
108 /// collection. It is a private method and << 112 /// collection. It is a private method and it will be invoked by Hit() method
109 /// of the base class once the readout geo << 113 /// of the base class once the readout geometry that may be associated to the
110 /// corresponding G4VSensitiveDetector is << 114 /// corresponding G4VSensitiveDetector is taken into account.
111 /// It needs to be implemented in the deri << 115 /// It needs to be implemented in the derived class.
112 /// @param[in] aHit Created hit (energy an << 116 /// @param[in] aHit Created hit (energy and position)
113 /// @param[in] aTrack Fast track with acce << 117 /// @param[in] aTrack Fast track with access to particle's track and
114 /// properties in envelope's local coordin << 118 /// properties in envelope's local coordinates
115 /// @param[in] aROHistory Touchable histor << 119 /// @param[in] aROHistory Touchable history with relevant transformations
116 virtual G4bool ProcessHits(const G4FastHit << 120 virtual G4bool ProcessHits(const G4FastHit* aHit, const G4FastTrack* aTrack,
117 G4TouchableHist << 121 G4TouchableHistory* aROHistory) = 0;
118 }; 122 };
119 #endif /* G4VFASTSIMSENSITIVEDETECTOR_HH */ 123 #endif /* G4VFASTSIMSENSITIVEDETECTOR_HH */
120 124