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1 // 1 //
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19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
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25 // 25 //
26 // 26 //
>> 27 // $Id: G4VGraphicsScene.hh 102801 2017-02-22 15:17:53Z gcosmo $
27 // John Allison 19th July 1996 28 // John Allison 19th July 1996
28 // 29 //
29 // Class Description: 30 // Class Description:
30 // Abstract interface class for a graphics sce 31 // Abstract interface class for a graphics scene handler.
31 // It is a minimal scene handler for the GEANT 32 // It is a minimal scene handler for the GEANT4 kernel.
32 // See G4VSceneHandler for a fuller descriptio 33 // See G4VSceneHandler for a fuller description. G4VSceneHandler is
33 // the full abstract interface to graphics sys 34 // the full abstract interface to graphics systems.
34 35
35 #ifndef G4VGRAPHICSSCENE_HH 36 #ifndef G4VGRAPHICSSCENE_HH
36 #define G4VGRAPHICSSCENE_HH 37 #define G4VGRAPHICSSCENE_HH
37 38
38 #include "globals.hh" 39 #include "globals.hh"
39 #include "G4Transform3D.hh" 40 #include "G4Transform3D.hh"
40 41
41 class G4VisAttributes; 42 class G4VisAttributes;
42 class G4VSolid; 43 class G4VSolid;
43 class G4Box; 44 class G4Box;
44 class G4Cons; 45 class G4Cons;
45 class G4Orb; 46 class G4Orb;
46 class G4Para; 47 class G4Para;
47 class G4Torus; 48 class G4Torus;
48 class G4Trap; 49 class G4Trap;
49 class G4Trd; 50 class G4Trd;
50 class G4Tubs; 51 class G4Tubs;
51 class G4Sphere; 52 class G4Sphere;
52 53
53 class G4Ellipsoid; 54 class G4Ellipsoid;
54 class G4Polycone; 55 class G4Polycone;
55 class G4Polyhedra; 56 class G4Polyhedra;
56 class G4TessellatedSolid; <<
57 57
58 class G4PhysicalVolumeModel; 58 class G4PhysicalVolumeModel;
59 class G4VTrajectory; 59 class G4VTrajectory;
60 class G4VHit; 60 class G4VHit;
61 class G4VDigi; 61 class G4VDigi;
62 template <typename T> class G4THitsMap; 62 template <typename T> class G4THitsMap;
63 class G4Polyline; 63 class G4Polyline;
>> 64 class G4Scale;
64 class G4Text; 65 class G4Text;
65 class G4Circle; 66 class G4Circle;
66 class G4Square; 67 class G4Square;
67 class G4Polymarker; 68 class G4Polymarker;
68 class G4Polyhedron; 69 class G4Polyhedron;
69 class G4VisExtent; 70 class G4VisExtent;
70 class G4StatDouble; 71 class G4StatDouble;
71 class G4Mesh; <<
72 class G4Plotter; <<
73 72
74 class G4VGraphicsScene { 73 class G4VGraphicsScene {
75 74
76 public: // With description 75 public: // With description
77 76
78 G4VGraphicsScene(); 77 G4VGraphicsScene();
79 virtual ~G4VGraphicsScene(); 78 virtual ~G4VGraphicsScene();
80 79
81 //////////////////////////////////////////// 80 ///////////////////////////////////////////////////////////////////
82 // Methods for adding solids to the scene ha 81 // Methods for adding solids to the scene handler. They
83 // must always be called in the triplet PreA 82 // must always be called in the triplet PreAddSolid, AddSolid and
84 // PostAddSolid. The transformation and vis 83 // PostAddSolid. The transformation and visualization attributes
85 // must be set by the call to PreAddSolid. 84 // must be set by the call to PreAddSolid. A possible default
86 // implementation is to request the solid to 85 // implementation is to request the solid to provide a G4Polyhedron
87 // or similar primitive - see, for example, 86 // or similar primitive - see, for example, G4VSceneHandler in the
88 // Visualization Category. 87 // Visualization Category.
89 88
90 virtual void PreAddSolid (const G4Transform3 89 virtual void PreAddSolid (const G4Transform3D& objectTransformation,
91 const G4VisAttribu 90 const G4VisAttributes& visAttribs) = 0;
92 // objectTransformation is the transformatio 91 // objectTransformation is the transformation in the world
93 // coordinate system of the object about to 92 // coordinate system of the object about to be added, and
94 // visAttribs is its visualization attribute 93 // visAttribs is its visualization attributes.
95 94
96 virtual void PostAddSolid () = 0; 95 virtual void PostAddSolid () = 0;
97 96
98 // From geometry/solids/CSG 97 // From geometry/solids/CSG
99 virtual void AddSolid (const G4Box&) = 98 virtual void AddSolid (const G4Box&) = 0;
100 virtual void AddSolid (const G4Cons&) = 99 virtual void AddSolid (const G4Cons&) = 0;
101 virtual void AddSolid (const G4Orb&) = 100 virtual void AddSolid (const G4Orb&) = 0;
102 virtual void AddSolid (const G4Para&) = 101 virtual void AddSolid (const G4Para&) = 0;
103 virtual void AddSolid (const G4Sphere&) = 102 virtual void AddSolid (const G4Sphere&) = 0;
104 virtual void AddSolid (const G4Torus&) = 103 virtual void AddSolid (const G4Torus&) = 0;
105 virtual void AddSolid (const G4Trap&) = 104 virtual void AddSolid (const G4Trap&) = 0;
106 virtual void AddSolid (const G4Trd&) = 105 virtual void AddSolid (const G4Trd&) = 0;
107 virtual void AddSolid (const G4Tubs&) = 106 virtual void AddSolid (const G4Tubs&) = 0;
108 107
109 // From geometry/solids/specific 108 // From geometry/solids/specific
110 virtual void AddSolid (const G4Ellipsoid&) << 109 virtual void AddSolid (const G4Ellipsoid&) = 0;
111 virtual void AddSolid (const G4Polycone&) << 110 virtual void AddSolid (const G4Polycone&) = 0;
112 virtual void AddSolid (const G4Polyhedra&) << 111 virtual void AddSolid (const G4Polyhedra&) = 0;
113 virtual void AddSolid (const G4TessellatedSo <<
114 112
115 // For solids not above << 113 // For solids not above.
116 virtual void AddSolid (const G4VSolid&) = 0; << 114 virtual void AddSolid (const G4VSolid&) = 0;
117 115
118 //////////////////////////////////////////// 116 ///////////////////////////////////////////////////////////////////
119 // Methods for adding "compound" GEANT4 obje 117 // Methods for adding "compound" GEANT4 objects to the scene
120 // handler. These methods may either (a) in 118 // handler. These methods may either (a) invoke "user code" that
121 // uses the "user interface", G4VVisManager 119 // uses the "user interface", G4VVisManager (see, for example,
122 // G4VSceneHandler in the Visualization Cate 120 // G4VSceneHandler in the Visualization Category, which for
123 // trajectories uses G4VTrajectory::DrawTraj 121 // trajectories uses G4VTrajectory::DrawTrajectory, via
124 // G4TrajectoriesModel in the Modeling Categ 122 // G4TrajectoriesModel in the Modeling Category) or (b) invoke
125 // AddPrimitives below (between calls to Beg 123 // AddPrimitives below (between calls to Begin/EndPrimitives) or (c)
126 // use graphics-system-specific code or (d) 124 // use graphics-system-specific code or (d) any combination of the
127 // above. 125 // above.
128 126
129 virtual void AddCompound (const G4VTrajector << 127 virtual void AddCompound (const G4VTrajectory&) = 0;
130 virtual void AddCompound (const G4VHit&) << 128 virtual void AddCompound (const G4VHit&) = 0;
131 virtual void AddCompound (const G4VDigi&) << 129 virtual void AddCompound (const G4VDigi&) = 0;
132 virtual void AddCompound (const G4THitsMap<G << 130 virtual void AddCompound (const G4THitsMap<G4double>&) = 0;
133 virtual void AddCompound (const G4THitsMap<G 131 virtual void AddCompound (const G4THitsMap<G4StatDouble>&) = 0;
134 virtual void AddCompound (const G4Mesh&) <<
135 132
136 //////////////////////////////////////////// 133 ///////////////////////////////////////////////////////////////////
137 // Methods for adding graphics primitives to 134 // Methods for adding graphics primitives to the scene handler. A
138 // sequence of calls to AddPrimitive must be 135 // sequence of calls to AddPrimitive must be sandwiched between
139 // calls to BeginPrimitives and EndPrimitive 136 // calls to BeginPrimitives and EndPrimitives. A sequence is any
140 // number of calls that have the same transf 137 // number of calls that have the same transformation.
141 138
142 virtual void BeginPrimitives 139 virtual void BeginPrimitives
143 (const G4Transform3D& objectTransformation = 140 (const G4Transform3D& objectTransformation = G4Transform3D()) = 0;
144 // objectTransformation is the transformatio 141 // objectTransformation is the transformation in the world
145 // coordinate system of the object about to 142 // coordinate system of the object about to be added.
146 143
147 virtual void EndPrimitives () = 0; 144 virtual void EndPrimitives () = 0;
148 145
149 virtual void BeginPrimitives2D 146 virtual void BeginPrimitives2D
150 (const G4Transform3D& objectTransformation = 147 (const G4Transform3D& objectTransformation = G4Transform3D()) = 0;
151 148
152 virtual void EndPrimitives2D () = 0; 149 virtual void EndPrimitives2D () = 0;
153 // The x,y coordinates of the primitives pas 150 // The x,y coordinates of the primitives passed to AddPrimitive are
154 // intrepreted as screen coordinates, -1 < x 151 // intrepreted as screen coordinates, -1 < x,y < 1. The
155 // z-coordinate is ignored. 152 // z-coordinate is ignored.
156 153
157 virtual void AddPrimitive (const G4Polyline& 154 virtual void AddPrimitive (const G4Polyline&) = 0;
>> 155 virtual void AddPrimitive (const G4Scale&) = 0;
158 virtual void AddPrimitive (const G4Text&) 156 virtual void AddPrimitive (const G4Text&) = 0;
159 virtual void AddPrimitive (const G4Circle&) 157 virtual void AddPrimitive (const G4Circle&) = 0;
160 virtual void AddPrimitive (const G4Square&) 158 virtual void AddPrimitive (const G4Square&) = 0;
161 virtual void AddPrimitive (const G4Polymarke 159 virtual void AddPrimitive (const G4Polymarker&) = 0;
162 virtual void AddPrimitive (const G4Polyhedro 160 virtual void AddPrimitive (const G4Polyhedron&) = 0;
163 virtual void AddPrimitive (const G4Plotter&) << 161
164 <<
165 virtual const G4VisExtent& GetExtent() const 162 virtual const G4VisExtent& GetExtent() const;
166 // The concrete class should overload this o 163 // The concrete class should overload this or a null extent will be returned.
167 // See G4VScenHandler for example. 164 // See G4VScenHandler for example.
168 165
169 }; 166 };
170 167
171 #endif 168 #endif
172 169