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27 //
28 //
29 // John Allison 10th August 1998.
30 // An artificial scene to find physical volume
31
32 #include "G4PhysicalVolumeMassScene.hh"
33
34 #include "G4VSolid.hh"
35 #include "G4Vector3D.hh"
36 #include "G4PhysicalVolumeModel.hh"
37 #include "G4LogicalVolume.hh"
38 #include "G4Polyhedron.hh"
39 #include "G4Material.hh"
40 #include "G4VPVParameterisation.hh"
41 #include "G4UnitsTable.hh"
42
43 #define G4warn G4cout
44
45 G4PhysicalVolumeMassScene::G4PhysicalVolumeMas
46 (G4PhysicalVolumeModel* pPVModel):
47 fpPVModel (pPVModel),
48 fVolume (0.),
49 fMass (0.),
50 fpLastPV (0),
51 fPVPCount (0),
52 fLastDepth (0),
53 fLastDensity (0.)
54 {}
55
56 G4PhysicalVolumeMassScene::~G4PhysicalVolumeMa
57
58 void G4PhysicalVolumeMassScene::Reset ()
59 {
60 fVolume = 0.;
61 fMass = 0.;
62 fpLastPV = 0;
63 fPVPCount = 0;
64 fLastDepth = 0;
65 fLastDensity = 0.;
66 fDensityStack.clear();
67 }
68
69 void G4PhysicalVolumeMassScene::ProcessVolume
70 {
71 G4int currentDepth = fpPVModel->GetCurrentDe
72 G4VPhysicalVolume* pCurrentPV = fpPVModel->G
73 //G4LogicalVolume* pCurrentLV = fpPVModel->G
74 G4Material* pCurrentMaterial = fpPVModel->Ge
75
76 if (pCurrentPV != fpLastPV) {
77 fpLastPV = pCurrentPV;
78 fPVPCount = 0;
79 }
80
81 G4double currentVolume = ((G4VSolid&)solid).
82 G4double currentDensity = pCurrentMaterial?
83 /* Using G4Polyhedron... (gives slightly dif
84 G4Polyhedron* pPolyhedron = solid.GetPolyhed
85 if (!pPolyhedron) {
86 G4cout <<
87 "G4PhysicalVolumeMassScene::AccrueMass:
88 "\n No G4Polyhedron for" << solid.GetEn
89 ". \"" << solid.GetName() << "\" will n
90 "\n It will be as though not there, i.e
91 "\n Its daughters will still be found a
92 << G4endl;
93 currentVolume = 0.;
94 currentDensity = 0.;
95 }
96 */
97
98 if (currentDepth == 0) fVolume = currentVolu
99
100 if (currentDepth > fLastDepth) {
101 fDensityStack.push_back (fLastDensity);
102 } else if (currentDepth < fLastDepth) {
103 fDensityStack.pop_back();
104 }
105 fLastDepth = currentDepth;
106 fLastDensity = currentDensity;
107 G4double motherDensity = 0.;
108 if (currentDepth > 0) motherDensity = fDensi
109
110 G4double subtractedMass = currentVolume * mo
111 G4double addedMass = currentVolume * current
112 fMass -= subtractedMass;
113 fMass += addedMass;
114 /* Debug
115 G4cout << "current vol = "
116 << G4BestUnit (currentVolume,"Volume")
117 << ", current density = "
118 << G4BestUnit (currentDensity, "Volumic Mas
119 << ", mother density = "
120 << G4BestUnit (motherDensity, "Volumic Mass
121 << G4endl;
122 G4cout << "Subtracted mass = " << G4BestUnit
123 << ", added mass = " << G4BestUnit (addedMa
124 << ", new mass = " << G4BestUnit (fMass, "M
125 << G4endl;
126 */
127 if (fMass < 0.) {
128 G4warn <<
129 "G4PhysicalVolumeMassScene::AccrueMass:
130 "\n Mass going negative for \""
131 << pCurrentPV->GetName() <<
132 "\", copy "
133 << pCurrentPV->GetCopyNo() <<
134 ". Larger than mother?"
135 << G4endl;
136 }
137 }
138