| Geant4 Cross Reference |
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25 //
26 //
27 //
28 // By I. Hrivnacova, 22.10.01
29
30 //#define G3G4DEBUG 1
31
32 #include "globals.hh"
33 #include "G3toG4MANY.hh"
34 #include "G3Pos.hh"
35 #include "G3RotTable.hh"
36 #include "G4SubtractionSolid.hh"
37
38 void G3toG4MANY(G3VolTableEntry* curVTE)
39 {
40 if (curVTE->GetNoOverlaps() > 0) {
41
42 // check consistency
43 if (!curVTE->HasMANY()) {
44 G4String text = "G3toG4MANY: volume ";
45 text = text + curVTE->GetName() + " has specified overlaps \n";
46 text = text + " but is not defined as MANY.";
47 G4Exception("G3toG4MANY()", "G3toG40009",
48 FatalException, text);
49 return;
50 }
51
52 // only MANY volumes with one position are supported
53 if (curVTE->NPCopies() != 1) {
54 G4String text = "G3toG4MANY: volume ";
55 text = text + curVTE->GetName() + " which has MANY has not just one position.";
56 G4Exception("G3toG4MANY()", "G3toG40010",
57 FatalException, text);
58 return;
59 }
60
61 #ifdef G3G4DEBUG
62 G4cout << "G3toG4MANY " << curVTE->GetName() << " boolean" << G4endl;
63 #endif
64
65 G4Transform3D transform = GetTransform3D(curVTE->GetG3PosCopy(0));
66
67 MakeBooleanSolids(curVTE, curVTE->GetOverlaps(), transform.inverse());
68 }
69
70 // process daughters
71 for (G4int i=0; i<curVTE->GetNoDaughters(); i++)
72 G3toG4MANY(curVTE->GetDaughter(i));
73 }
74
75 void MakeBooleanSolids(G3VolTableEntry* curVTE, G3VolTableEntryVector* overlaps,
76 const G4Transform3D& transform)
77 {
78 // loop over overlap VTEs
79 for (size_t i=0; i<overlaps->size(); i++){
80
81 G3VolTableEntry* overlapVTE = (*overlaps)[i];
82
83 // loop over clone VTEs
84 for (G4int ij=0; ij<overlapVTE->GetMasterClone()->GetNoClones(); ij++){
85
86 G3VolTableEntry* cloneVTE = overlapVTE->GetMasterClone()->GetClone(ij);
87
88 // loop over clone positions
89 for (G4int j=0; j<cloneVTE->NPCopies(); j++){
90
91 #ifdef G3G4DEBUG
92 G4cout << "From '" << curVTE->GetName() << "' "
93 << "cut '" << cloneVTE->GetName() << "' :"
94 << i << "th overlap (from " << overlaps->size() << ") "
95 << ij << "th clone (from " << overlapVTE->GetMasterClone()->GetNoClones() << ") "
96 << j << "th copy (from " << cloneVTE->NPCopies() << ") "
97 << G4endl;
98 #endif
99
100 SubstractSolids(curVTE, cloneVTE, j, transform);
101 }
102 }
103 }
104 }
105
106 void SubstractSolids(G3VolTableEntry* vte1, G3VolTableEntry* vte2,
107 G4int copy, const G4Transform3D& transform)
108 {
109 // vte2 transformation
110 G4Transform3D transform2 = GetTransform3D(vte2->GetG3PosCopy(copy));
111
112 // compose new name
113 G4String newName = vte1->GetSolid()->GetName();
114 newName = newName + "-" + vte2->GetSolid()->GetName();
115
116 #ifdef G3G4DEBUG
117 G4cout << " " << newName << G4endl;
118 #endif
119
120 G4VSolid* newSolid
121 = new G4SubtractionSolid(newName, vte1->GetSolid(), vte2->GetSolid(),
122 transform*transform2);
123
124 // update vte1
125 vte1->SetSolid(newSolid);
126
127 // process daughters
128 for (G4int k=0; k<vte1->GetNoDaughters(); k++){
129
130 G3VolTableEntry* dVTE = vte1->GetDaughter(k);
131
132 if (dVTE->NPCopies() != 1) {
133 G4String text = "G3toG4MANY: volume ";
134 text = text + dVTE->GetName() + " which has MANY has not just one position.";
135 G4Exception("G3toG4MANY()", "G3toG40011",
136 FatalException, text);
137 return;
138 }
139
140 G4Transform3D dt = GetTransform3D(dVTE->GetG3PosCopy(0));
141 SubstractSolids(dVTE, vte2, copy, dt.inverse()*transform);
142 }
143 }
144
145 G4Transform3D GetTransform3D(G3Pos* g3pos)
146 {
147 G4int irot = g3pos->GetIrot();
148 G4RotationMatrix* theMatrix = 0;
149 if (irot>0) theMatrix = G3Rot.Get(irot);
150
151 G4Rotate3D rotation;
152 if (theMatrix) {
153 rotation = G4Rotate3D(*theMatrix);
154 }
155
156 G4Translate3D translation(*(g3pos->GetPos()));
157 G4Transform3D transform3D = translation * (rotation.inverse());
158
159 return transform3D;
160 }
161
162
163