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25 //
26 //
27 //
28 // G4PSMinKinEAtGeneration
29 #include "G4PSMinKinEAtGeneration.hh"
30 #include "G4UnitsTable.hh"
31 #include "G4VScoreHistFiller.hh"
32
33 // (Description)
34 // This is a primitive scorer class for scoring minimum energy of
35 // newly produced particles in the geometry.
36 //
37 // Created: 2005-11-17 Tsukasa ASO, Akinori Kimura.
38 // 2010-07-22 Introduce Unit specification.
39 // 2011-09-09 Modify comment in PrintAll(). T.Aso
40 // 2020-10-06 Use G4VPrimitivePlotter and fill 1-D histo of kinetic energy (x)
41 // vs. track weight (y) (Makoto Asai)
42 //
43
44 G4PSMinKinEAtGeneration::G4PSMinKinEAtGeneration(const G4String& name, G4int depth)
45 : G4PSMinKinEAtGeneration(name, "MeV", depth)
46 {}
47
48 G4PSMinKinEAtGeneration::G4PSMinKinEAtGeneration(const G4String& name,
49 const G4String& unit,
50 G4int depth)
51 : G4VPrimitivePlotter(name, depth)
52 , HCID(-1)
53 , EvtMap(nullptr)
54 {
55 SetUnit(unit);
56 }
57
58 G4bool G4PSMinKinEAtGeneration::ProcessHits(G4Step* aStep, G4TouchableHistory*)
59 {
60 // ===============
61 // First Step,
62 // Confirm this is a newly produced secondary.
63 //
64 //- check for newly produced particle. e.g. Step number is 1.
65 if(aStep->GetTrack()->GetCurrentStepNumber() != 1)
66 return false;
67 //- check for this is not a primary particle. e.g. ParentID != 0 .
68 if(aStep->GetTrack()->GetParentID() == 0)
69 return false;
70
71 //===============================================
72 //- This is a newly produced secondary particle.
73 //===============================================
74
75 // ===============
76 // Second Step,
77 // Confirm this track has lower energy than previous one.
78 //
79
80 // -Kinetic energy of this particle at the starting point.
81 G4int index = GetIndex(aStep);
82 G4double kinetic = aStep->GetPreStepPoint()->GetKineticEnergy();
83
84 if(!hitIDMap.empty() && hitIDMap.find(index) != hitIDMap.cend())
85 {
86 auto filler = G4VScoreHistFiller::Instance();
87 if(filler == nullptr)
88 {
89 G4Exception(
90 "G4PSMinKinEAtGeneration::ProcessHits", "SCORER0123", JustWarning,
91 "G4TScoreHistFiller is not instantiated!! Histogram is not filled.");
92 }
93 else
94 {
95 filler->FillH1(hitIDMap[index], kinetic,
96 aStep->GetPreStepPoint()->GetWeight());
97 }
98 }
99
100 // -Stored value in the current HitsMap.
101 G4double* mapValue = ((*EvtMap)[index]);
102
103 // -
104 // If mapValue exits (e.g not NULL ), compare it with
105 // current track's kinetic energy.
106 if((mapValue != nullptr) && (kinetic > *mapValue))
107 return false;
108
109 // -
110 // Current Track is a newly produced secondary and has lower
111 // kinetic energy than previous one in this geometry.
112 //
113 EvtMap->set(index, kinetic);
114 return true;
115 }
116
117 void G4PSMinKinEAtGeneration::Initialize(G4HCofThisEvent* HCE)
118 {
119 EvtMap = new G4THitsMap<G4double>(detector->GetName(), GetName());
120 if(HCID < 0)
121 {
122 HCID = GetCollectionID(0);
123 }
124 HCE->AddHitsCollection(HCID, (G4VHitsCollection*) EvtMap);
125 }
126
127 void G4PSMinKinEAtGeneration::clear() { EvtMap->clear(); }
128
129 void G4PSMinKinEAtGeneration::PrintAll()
130 {
131 G4cout << " PrimitiveScorer " << GetName() << G4endl;
132 G4cout << " Number of entries " << EvtMap->entries() << G4endl;
133 for(const auto& [copy, energy] : *(EvtMap->GetMap()))
134 {
135 G4cout << " copy no.: " << copy
136 << " energy: " << *(energy) / GetUnitValue() << " ["
137 << GetUnit() << "]" << G4endl;
138 }
139 }
140
141 void G4PSMinKinEAtGeneration::SetUnit(const G4String& unit)
142 {
143 CheckAndSetUnit(unit, "Energy");
144 }
145