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25 // 25 //
26 // 26 //
>> 27 // $Id: G4VGraphicsScene.hh,v 1.8 2006/06/29 19:06:12 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01 $
27 // John Allison 19th July 1996 29 // John Allison 19th July 1996
28 // 30 //
29 // Class Description: 31 // Class Description:
30 // Abstract interface class for a graphics sce 32 // Abstract interface class for a graphics scene handler.
31 // It is a minimal scene handler for the GEANT 33 // It is a minimal scene handler for the GEANT4 kernel.
32 // See G4VSceneHandler for a fuller descriptio 34 // See G4VSceneHandler for a fuller description. G4VSceneHandler is
33 // the full abstract interface to graphics sys 35 // the full abstract interface to graphics systems.
34 36
35 #ifndef G4VGRAPHICSSCENE_HH 37 #ifndef G4VGRAPHICSSCENE_HH
36 #define G4VGRAPHICSSCENE_HH 38 #define G4VGRAPHICSSCENE_HH
37 39
38 #include "globals.hh" <<
39 #include "G4Transform3D.hh" <<
40 <<
41 class G4VisAttributes; 40 class G4VisAttributes;
42 class G4VSolid; 41 class G4VSolid;
43 class G4Box; 42 class G4Box;
44 class G4Cons; 43 class G4Cons;
45 class G4Orb; <<
46 class G4Para; <<
47 class G4Torus; <<
48 class G4Trap; <<
49 class G4Trd; <<
50 class G4Tubs; 44 class G4Tubs;
>> 45 class G4Trd;
>> 46 class G4Trap;
51 class G4Sphere; 47 class G4Sphere;
52 <<
53 class G4Ellipsoid; 48 class G4Ellipsoid;
>> 49 class G4Para;
>> 50 class G4Torus;
>> 51 class G4PhysicalVolumeModel;
54 class G4Polycone; 52 class G4Polycone;
55 class G4Polyhedra; 53 class G4Polyhedra;
56 class G4TessellatedSolid; <<
57 <<
58 class G4PhysicalVolumeModel; <<
59 class G4VTrajectory; 54 class G4VTrajectory;
60 class G4VHit; 55 class G4VHit;
61 class G4VDigi; <<
62 template <typename T> class G4THitsMap; <<
63 class G4Polyline; 56 class G4Polyline;
>> 57 class G4Scale;
64 class G4Text; 58 class G4Text;
65 class G4Circle; 59 class G4Circle;
66 class G4Square; 60 class G4Square;
67 class G4Polymarker; 61 class G4Polymarker;
68 class G4Polyhedron; 62 class G4Polyhedron;
69 class G4VisExtent; << 63 class G4NURBS;
70 class G4StatDouble; << 64
71 class G4Mesh; << 65 #include "G4Transform3D.hh"
72 class G4Plotter; <<
73 66
74 class G4VGraphicsScene { 67 class G4VGraphicsScene {
75 68
76 public: // With description 69 public: // With description
77 70
78 G4VGraphicsScene(); <<
79 virtual ~G4VGraphicsScene(); <<
80 <<
81 //////////////////////////////////////////// 71 ///////////////////////////////////////////////////////////////////
82 // Methods for adding solids to the scene ha 72 // Methods for adding solids to the scene handler. They
83 // must always be called in the triplet PreA 73 // must always be called in the triplet PreAddSolid, AddSolid and
84 // PostAddSolid. The transformation and vis 74 // PostAddSolid. The transformation and visualization attributes
85 // must be set by the call to PreAddSolid. 75 // must be set by the call to PreAddSolid. A possible default
86 // implementation is to request the solid to 76 // implementation is to request the solid to provide a G4Polyhedron
87 // or similar primitive - see, for example, 77 // or similar primitive - see, for example, G4VSceneHandler in the
88 // Visualization Category. 78 // Visualization Category.
89 79
90 virtual void PreAddSolid (const G4Transform3 80 virtual void PreAddSolid (const G4Transform3D& objectTransformation,
91 const G4VisAttribu << 81 const G4VisAttributes& visAttribs) = 0;
92 // objectTransformation is the transformatio 82 // objectTransformation is the transformation in the world
93 // coordinate system of the object about to 83 // coordinate system of the object about to be added, and
94 // visAttribs is its visualization attribute 84 // visAttribs is its visualization attributes.
95 85
96 virtual void PostAddSolid () = 0; 86 virtual void PostAddSolid () = 0;
97 87
98 // From geometry/solids/CSG <<
99 virtual void AddSolid (const G4Box&) = 88 virtual void AddSolid (const G4Box&) = 0;
100 virtual void AddSolid (const G4Cons&) = 89 virtual void AddSolid (const G4Cons&) = 0;
101 virtual void AddSolid (const G4Orb&) = << 90 virtual void AddSolid (const G4Tubs&) = 0;
102 virtual void AddSolid (const G4Para&) = << 91 virtual void AddSolid (const G4Trd&) = 0;
>> 92 virtual void AddSolid (const G4Trap&) = 0;
103 virtual void AddSolid (const G4Sphere&) = 93 virtual void AddSolid (const G4Sphere&) = 0;
>> 94 virtual void AddSolid (const G4Para&) = 0;
104 virtual void AddSolid (const G4Torus&) = 95 virtual void AddSolid (const G4Torus&) = 0;
105 virtual void AddSolid (const G4Trap&) = << 96 virtual void AddSolid (const G4Polycone&) = 0;
106 virtual void AddSolid (const G4Trd&) = << 97 virtual void AddSolid (const G4Polyhedra&) = 0;
107 virtual void AddSolid (const G4Tubs&) = << 98 virtual void AddSolid (const G4VSolid&) = 0; // For solids not above.
108 <<
109 // From geometry/solids/specific <<
110 virtual void AddSolid (const G4Ellipsoid&) <<
111 virtual void AddSolid (const G4Polycone&) <<
112 virtual void AddSolid (const G4Polyhedra&) <<
113 virtual void AddSolid (const G4TessellatedSo <<
114 <<
115 // For solids not above <<
116 virtual void AddSolid (const G4VSolid&) = 0; <<
117 99
118 //////////////////////////////////////////// 100 ///////////////////////////////////////////////////////////////////
119 // Methods for adding "compound" GEANT4 obje 101 // Methods for adding "compound" GEANT4 objects to the scene
120 // handler. These methods may either (a) in 102 // handler. These methods may either (a) invoke "user code" that
121 // uses the "user interface", G4VVisManager 103 // uses the "user interface", G4VVisManager (see, for example,
122 // G4VSceneHandler in the Visualization Cate 104 // G4VSceneHandler in the Visualization Category, which for
123 // trajectories uses G4VTrajectory::DrawTraj 105 // trajectories uses G4VTrajectory::DrawTrajectory, via
124 // G4TrajectoriesModel in the Modeling Categ 106 // G4TrajectoriesModel in the Modeling Category) or (b) invoke
125 // AddPrimitives below (between calls to Beg 107 // AddPrimitives below (between calls to Begin/EndPrimitives) or (c)
126 // use graphics-system-specific code or (d) 108 // use graphics-system-specific code or (d) any combination of the
127 // above. 109 // above.
128 110
129 virtual void AddCompound (const G4VTrajector << 111 virtual void AddCompound (const G4VTrajectory&) = 0;
130 virtual void AddCompound (const G4VHit&) << 112 virtual void AddCompound (const G4VHit&) = 0;
131 virtual void AddCompound (const G4VDigi&) <<
132 virtual void AddCompound (const G4THitsMap<G <<
133 virtual void AddCompound (const G4THitsMap<G <<
134 virtual void AddCompound (const G4Mesh&) <<
135 113
136 //////////////////////////////////////////// 114 ///////////////////////////////////////////////////////////////////
137 // Methods for adding graphics primitives to 115 // Methods for adding graphics primitives to the scene handler. A
138 // sequence of calls to AddPrimitive must be 116 // sequence of calls to AddPrimitive must be sandwiched between
139 // calls to BeginPrimitives and EndPrimitive 117 // calls to BeginPrimitives and EndPrimitives. A sequence is any
140 // number of calls that have the same transf 118 // number of calls that have the same transformation.
141 119
142 virtual void BeginPrimitives 120 virtual void BeginPrimitives
143 (const G4Transform3D& objectTransformation = 121 (const G4Transform3D& objectTransformation = G4Transform3D()) = 0;
144 // objectTransformation is the transformatio 122 // objectTransformation is the transformation in the world
145 // coordinate system of the object about to 123 // coordinate system of the object about to be added.
146 124
147 virtual void EndPrimitives () = 0; 125 virtual void EndPrimitives () = 0;
148 126
149 virtual void BeginPrimitives2D << 127 virtual void BeginPrimitives2D () = 0;
150 (const G4Transform3D& objectTransformation = <<
151 <<
152 virtual void EndPrimitives2D () = 0; 128 virtual void EndPrimitives2D () = 0;
153 // The x,y coordinates of the primitives pas 129 // The x,y coordinates of the primitives passed to AddPrimitive are
154 // intrepreted as screen coordinates, -1 < x 130 // intrepreted as screen coordinates, -1 < x,y < 1. The
155 // z-coordinate is ignored. 131 // z-coordinate is ignored.
156 132
157 virtual void AddPrimitive (const G4Polyline& 133 virtual void AddPrimitive (const G4Polyline&) = 0;
>> 134 virtual void AddPrimitive (const G4Scale&) = 0;
158 virtual void AddPrimitive (const G4Text&) 135 virtual void AddPrimitive (const G4Text&) = 0;
159 virtual void AddPrimitive (const G4Circle&) 136 virtual void AddPrimitive (const G4Circle&) = 0;
160 virtual void AddPrimitive (const G4Square&) 137 virtual void AddPrimitive (const G4Square&) = 0;
161 virtual void AddPrimitive (const G4Polymarke 138 virtual void AddPrimitive (const G4Polymarker&) = 0;
162 virtual void AddPrimitive (const G4Polyhedro 139 virtual void AddPrimitive (const G4Polyhedron&) = 0;
163 virtual void AddPrimitive (const G4Plotter&) << 140 virtual void AddPrimitive (const G4NURBS&) = 0;
164 << 141
165 virtual const G4VisExtent& GetExtent() const << 142 ///////////////////////////////////////////////////////////////////
166 // The concrete class should overload this o << 143 // Special functions for particular models.
167 // See G4VScenHandler for example. << 144
>> 145 virtual void EstablishSpecials (G4PhysicalVolumeModel&) {}
>> 146 // Used to establish any special relationships between scene and
>> 147 // this particular type of model - non-pure, i.e., no requirement to
>> 148 // implement. See G4PhysicalVolumeModel.hh for details.
>> 149
>> 150 virtual void DecommissionSpecials (G4PhysicalVolumeModel&) {}
>> 151 // Used to reverse the effect of EstablishSpecials, if required.
168 152
169 }; 153 };
170 154
171 #endif 155 #endif
172 156