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G4PhysicalVolumeMassScene.hh
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27 // $Id$
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30 // John Allison 12th September 2004
31 
32 // Class Description:
33 //
34 // Calculates the mass of a geometry tree taking into account daughters
35 // up to the depth specified in the G4PhysicalVolumeModel. Culling is
36 // ignored so that all volumes are seen.
37 //
38 // Do not use this for a "parallel world" for which materials are not
39 // defined. Use only for the material world.
40 //
41 // The calculation is quite tricky, since it involves subtracting the
42 // mass of that part of the mother that is occupied by each daughter and
43 // then adding the mass of the daughter, and so on down the heirarchy.
44 //
45 // Usage for a given G4PhysicalVolumeModel* pvModel:
46 // G4PhysicalVolumeMassScene massScene(pvModel);
47 // pvModel->DescribeYourselfTo (massScene);
48 // G4double volume = massScene.GetVolume();
49 // G4double mass = massScene.GetMass();
50 // massScene.Reset();
51 // See, for example, G4ASCIITreeSceneHandler::EndModeling().
52 
53 #ifndef G4PHYSICALVOLUMEMASSSCENE_HH
54 #define G4PHYSICALVOLUMEMASSSCENE_HH
55 
56 #include "G4VGraphicsScene.hh"
57 
58 #include "G4Box.hh"
59 #include "G4Cons.hh"
60 #include "G4Tubs.hh"
61 #include "G4Trd.hh"
62 #include "G4Trap.hh"
63 #include "G4Sphere.hh"
64 #include "G4Para.hh"
65 #include "G4Torus.hh"
66 #include "G4Polycone.hh"
67 #include "G4Polyhedra.hh"
68 #include <deque>
69 
70 class G4VPhysicalVolume;
71 class G4LogicalVolume;
72 class G4PhysicalVolumeModel;
73 class G4Material;
74 
75 class G4PhysicalVolumeMassScene: public G4VGraphicsScene {
76 
77 public:
78  G4PhysicalVolumeMassScene (G4PhysicalVolumeModel*);
79  virtual ~G4PhysicalVolumeMassScene ();
80 
81 public: // With description
82 
83  G4double GetVolume () const {return fVolume;}
84  // Overall volume.
85 
86  G4double GetMass () const {return fMass;}
87  // Mass of whole tree, i.e., accounting for all daughters.
88 
89  void Reset ();
90  // Reset for subsequent re-use.
91 
92 public:
93 
94  // Force execution of AccrueMass for all solids...
95  void PreAddSolid (const G4Transform3D&, const G4VisAttributes&) {}
96  void PostAddSolid () {}
97  void AddSolid (const G4Box& solid) {AccrueMass (solid);}
98  void AddSolid (const G4Cons & solid) {AccrueMass (solid);}
99  void AddSolid (const G4Tubs& solid) {AccrueMass (solid);}
100  void AddSolid (const G4Trd& solid) {AccrueMass (solid);}
101  void AddSolid (const G4Trap& solid) {AccrueMass (solid);}
102  void AddSolid (const G4Sphere& solid) {AccrueMass (solid);}
103  void AddSolid (const G4Para& solid) {AccrueMass (solid);}
104  void AddSolid (const G4Torus& solid) {AccrueMass (solid);}
105  void AddSolid (const G4Polycone& solid) {AccrueMass (solid);}
106  void AddSolid (const G4Polyhedra& solid) {AccrueMass (solid);}
107  void AddSolid (const G4VSolid& solid) {AccrueMass (solid);}
108  void AddCompound (const G4VTrajectory&) {}
109  void AddCompound (const G4VHit&) {}
110  void AddCompound (const G4VDigi&) {}
111  void AddCompound (const G4THitsMap<G4double>&) {}
112 
114  // Functions not used but required by the abstract interface.
115 
116  virtual void BeginPrimitives (const G4Transform3D&) {}
117  virtual void EndPrimitives () {}
118  virtual void BeginPrimitives2D (const G4Transform3D&) {}
119  virtual void EndPrimitives2D () {}
120  virtual void AddPrimitive (const G4Polyline&) {}
121  virtual void AddPrimitive (const G4Scale&) {}
122  virtual void AddPrimitive (const G4Text&) {}
123  virtual void AddPrimitive (const G4Circle&) {}
124  virtual void AddPrimitive (const G4Square&) {}
125  virtual void AddPrimitive (const G4Polymarker&) {}
126  virtual void AddPrimitive (const G4Polyhedron&) {}
127  virtual void AddPrimitive (const G4NURBS&) {}
128 
129 private:
130  void AccrueMass (const G4VSolid&);
131  G4PhysicalVolumeModel* fpPVModel;
132  G4double fVolume;
133  G4double fMass;
134  G4VPhysicalVolume* fpLastPV;
135  G4int fPVPCount;
136  G4int fLastDepth;
137  G4double fLastDensity;
138  std::deque<G4double> fDensityStack;
139 };
140 
141 #endif
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