| Geant4 Cross Reference |
1 // 1
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17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
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21 // * any work based on the software) you ag
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23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 //
27 //
28 //
29 // John Allison 5th April 2001
30 // A base class for a scene handler to dump ge
31 // Based on a provisional G4VTreeGraphicsScene
32
33 #include "G4VTreeSceneHandler.hh"
34
35 #include "G4VSolid.hh"
36 #include "G4PhysicalVolumeModel.hh"
37 #include "G4VPhysicalVolume.hh"
38 #include "G4LogicalVolume.hh"
39
40 #define G4warn G4cout
41
42 G4int G4VTreeSceneHandler::fSceneIdCount = 0;
43 // Counter for Tree scene handlers.
44
45 G4VTreeSceneHandler::G4VTreeSceneHandler(G4VGr
46 const G4String& name):
47 G4VSceneHandler(system, fSceneIdCount++, nam
48 fpCurrentObjectTransformation (0)
49 {}
50
51 G4VTreeSceneHandler::~G4VTreeSceneHandler () {
52
53 void G4VTreeSceneHandler::BeginModeling() {
54 G4VSceneHandler::BeginModeling(); // Requir
55 }
56
57 void G4VTreeSceneHandler::EndModeling() {
58 fDrawnLVStore.clear();
59 G4VSceneHandler::EndModeling(); // Required
60 }
61
62 void G4VTreeSceneHandler::PreAddSolid
63 (const G4Transform3D& objectTransformation, co
64 {
65 G4VSceneHandler::PreAddSolid (objectTransfor
66
67 G4PhysicalVolumeModel* pPVModel =
68 dynamic_cast<G4PhysicalVolumeModel*>(fpMod
69 if (!pPVModel) return; // Not from a G4Phys
70
71 // This call comes from a G4PhysicalVolumeMo
72 // the path of the current drawn (non-culled
73 // drawn (non-culled) ancestors. Each node
74 // PVNodeID object, which is a physical volu
75 // is a vector of PVNodeIDs corresponding to
76 // actually selected, i.e., not culled.
77 typedef G4PhysicalVolumeModel::G4PhysicalVol
78 typedef std::vector<PVNodeID> PVPath;
79 const PVPath& drawnPVPath = pPVModel->GetDra
80 //G4int currentDepth = pPVModel->GetCurrentD
81 //G4VPhysicalVolume* pCurrentPV = pPVModel->
82 //G4LogicalVolume* pCurrentLV = pPVModel->Ge
83 //G4Material* pCurrentMaterial = pPVModel->G
84
85 // Actually, it is enough to store the logic
86 // physical volume...
87 fDrawnLVStore.insert
88 (drawnPVPath.back().GetPhysicalVolume()->G
89
90 // Find mother. ri points to drawn mother,
91 PVPath::const_reverse_iterator ri = ++drawnP
92 if (ri != drawnPVPath.rend()) {
93 // This volume has a mother.
94 G4LogicalVolume* drawnMotherLV =
95 ri->GetPhysicalVolume()->GetLogicalVolum
96 if (fDrawnLVStore.find(drawnMotherLV) != f
97 // Mother previously encountered. Add t
98 // appropriate node in scene graph tree.
99 // ...
100 } else {
101 // Mother not previously encountered. S
102 // G4PhysicalVolumeModel sends volumes a
103 // i.e., mothers before daughters, in it
104 // geometry tree. Error!
105 G4warn << "ERROR: G4VTreeSceneHandler::P
106 << ri->GetPhysicalVolume()->GetName()
107 << ':' << ri->GetCopyNo()
108 << " not previously encountered."
109 "\nShouldn't happen! Please report to visua
110 << G4endl;
111 // Continue anyway. Add to root of scen
112 // ...
113 }
114 } else {
115 // This volume has no mother. Must be a t
116 // volume. Add to root of scene graph tre
117 // ...
118 }
119 }
120