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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // 27 //
28 // G4VRML2FileViewer.cc 28 // G4VRML2FileViewer.cc
29 // Satoshi Tanaka & Yasuhide Sawada 29 // Satoshi Tanaka & Yasuhide Sawada
30 30
>> 31
31 //#define DEBUG_FR_VIEW 32 //#define DEBUG_FR_VIEW
32 33
33 #include <cmath> 34 #include <cmath>
34 35
35 #include "G4VisManager.hh" 36 #include "G4VisManager.hh"
36 #include "G4Scene.hh" 37 #include "G4Scene.hh"
37 #include "G4VRML2FileViewer.hh" 38 #include "G4VRML2FileViewer.hh"
38 #include "G4VRML2FileSceneHandler.hh" 39 #include "G4VRML2FileSceneHandler.hh"
39 #include "G4VRML2File.hh" 40 #include "G4VRML2File.hh"
40 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
41 #include "G4ios.hh" 42 #include "G4ios.hh"
42 43
43 G4VRML2FileViewer::G4VRML2FileViewer(G4VRML2Fi 44 G4VRML2FileViewer::G4VRML2FileViewer(G4VRML2FileSceneHandler& sceneHandler,
44 const G4S << 45 const G4String& name) :
45 : G4VViewer(sceneHandler, sceneHandler.Incre << 46 G4VViewer(sceneHandler,
46 , fSceneHandler(sceneHandler) << 47 sceneHandler.IncrementViewCount(),
47 , fDest(sceneHandler.fDest) << 48 name),
>> 49 fSceneHandler(sceneHandler),
>> 50 fDest(sceneHandler.fDest)
48 { 51 {
49 fViewHalfAngle = 30. * deg; 52 fViewHalfAngle = 30. * deg;
50 fsin_VHA = std::sin(fViewHalfAngle); << 53 fsin_VHA = std::sin ( fViewHalfAngle ) ;
51 } 54 }
52 55
53 G4VRML2FileViewer::~G4VRML2FileViewer() {} << 56 G4VRML2FileViewer::~G4VRML2FileViewer()
>> 57 {}
54 58
55 void G4VRML2FileViewer::SetView() 59 void G4VRML2FileViewer::SetView()
56 { 60 {
57 #if defined DEBUG_FR_VIEW 61 #if defined DEBUG_FR_VIEW
58 if(G4VisManager::GetVerbosity() >= G4VisMana << 62 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
59 G4cout << "***** G4VRML2FileViewer::SetVie << 63 G4cout << "***** G4VRML2FileViewer::SetView(): No effects" << G4endl;
60 #endif 64 #endif
61 65
62 // Do nothing, since VRML a browser is runni << 66 // Do nothing, since VRML a browser is running as a different process.
63 // SendViewParameters () will do this job in << 67 // SendViewParameters () will do this job instead.
>> 68
64 } 69 }
65 70
66 void G4VRML2FileViewer::DrawView() 71 void G4VRML2FileViewer::DrawView()
67 { 72 {
68 #if defined DEBUG_FR_VIEW 73 #if defined DEBUG_FR_VIEW
69 if(G4VisManager::GetVerbosity() >= G4VisMana << 74 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
70 G4cout << "***** G4VRML2FileViewer::DrawVi << 75 G4cout << "***** G4VRML2FileViewer::DrawView()" << G4endl;
71 #endif 76 #endif
72 77
73 fSceneHandler.VRMLBeginModeling(); << 78 fSceneHandler.VRMLBeginModeling() ;
74 79
75 // Viewpoint node << 80 // Viewpoint node
76 SendViewParameters(); << 81 SendViewParameters();
77 82
78 // Here is a minimal DrawView() function. << 83 // Here is a minimal DrawView() function.
79 NeedKernelVisit(); << 84 NeedKernelVisit();
80 ProcessView(); << 85 ProcessView();
81 FinishView(); << 86 FinishView();
82 } 87 }
83 88
84 void G4VRML2FileViewer::ClearView(void) 89 void G4VRML2FileViewer::ClearView(void)
85 { 90 {
86 #if defined DEBUG_FR_VIEW 91 #if defined DEBUG_FR_VIEW
87 if(G4VisManager::GetVerbosity() >= G4VisMana << 92 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
88 G4cout << "***** G4VRML2File1View::ClearVi << 93 G4cout << "***** G4VRML2File1View::ClearView()" << G4endl;
89 #endif 94 #endif
90 if(fSceneHandler.fFlagDestOpen) << 95 if(fSceneHandler.fFlagDestOpen) {
91 { <<
92 fSceneHandler.fDest.close(); 96 fSceneHandler.fDest.close();
93 // Re-open with same filename... 97 // Re-open with same filename...
94 fSceneHandler.fDest.open(fSceneHandler.fVR 98 fSceneHandler.fDest.open(fSceneHandler.fVRMLFileName);
95 fSceneHandler.fDest << "#VRML V2.0 utf8" << 99 fSceneHandler.fDest << "#VRML V2.0 utf8" << "\n";
96 << "\n"; << 100 fSceneHandler.fDest << "# Generated by VRML 2.0 driver of GEANT4\n" << "\n";
97 fSceneHandler.fDest << "# Generated by VRM <<
98 << "\n"; <<
99 } 101 }
100 } 102 }
101 103
102 void G4VRML2FileViewer::ShowView(void) 104 void G4VRML2FileViewer::ShowView(void)
103 { 105 {
104 #if defined DEBUG_FR_VIEW 106 #if defined DEBUG_FR_VIEW
105 if(G4VisManager::GetVerbosity() >= G4VisMana << 107 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
106 G4cout << "***** G4VRML2FileViewer::ShowVi << 108 G4cout << "***** G4VRML2FileViewer::ShowView()" << G4endl;
107 #endif 109 #endif
108 fSceneHandler.VRMLEndModeling(); << 110 fSceneHandler.VRMLEndModeling();
109 } 111 }
110 112
111 void G4VRML2FileViewer::FinishView(void) 113 void G4VRML2FileViewer::FinishView(void)
112 { 114 {
113 #if defined DEBUG_FR_VIEW 115 #if defined DEBUG_FR_VIEW
114 if(G4VisManager::GetVerbosity() >= G4VisMana << 116 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
115 G4cout << "***** G4VRML2FileViewer::Finish << 117 G4cout << "***** G4VRML2FileViewer::FinishView(): No effects" << G4endl;
116 #endif 118 #endif
117 } 119 }
118 120
119 void G4VRML2FileViewer::SendViewParameters() << 121 void G4VRML2FileViewer::SendViewParameters ()
120 { 122 {
121 // Calculates view representation based on e 123 // Calculates view representation based on extent of object being
122 // viewed and (initial) direction of camera. 124 // viewed and (initial) direction of camera. (Note: it can change
123 // later due to user interaction via visuali 125 // later due to user interaction via visualization system's GUI.)
124 126
125 #if defined DEBUG_FR_VIEW 127 #if defined DEBUG_FR_VIEW
126 if(G4VisManager::GetVerbosity() >= G4VisMana << 128 if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
127 G4cout << "***** G4VRML2FileViewer::SendVi << 129 G4cout << "***** G4VRML2FileViewer::SendViewParameters()\n";
128 #endif << 130 #endif
129 << 131
130 // error recovery << 132 // error recovery
131 if(fsin_VHA < 1.0e-6) << 133 if ( fsin_VHA < 1.0e-6 ) { return ; }
132 { << 134
133 return; << 135 // camera distance
134 } << 136 G4double extent_radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
>> 137 G4double camera_distance = extent_radius / fsin_VHA ;
>> 138
>> 139 // camera position on Z axis
>> 140 const G4Point3D& target_point
>> 141 = fSceneHandler.GetScene()->GetStandardTargetPoint()
>> 142 + fVP.GetCurrentTargetPoint();
>> 143 G4double E_z = target_point.z() + camera_distance;
>> 144 G4Point3D E(0.0, 0.0, E_z );
>> 145
>> 146 // VRML codes are generated below
>> 147 fDest << G4endl;
>> 148 fDest << "#---------- CAMERA" << G4endl;
>> 149 fDest << "Viewpoint {" << G4endl;
>> 150 fDest << "\t" << "position " ;
>> 151 fDest << E.x() << " " ;
>> 152 fDest << E.y() << " " ;
>> 153 fDest << E.z() << G4endl ;
>> 154 fDest << "}" << G4endl;
>> 155 fDest << G4endl;
135 156
136 // camera distance <<
137 G4double extent_radius = <<
138 fSceneHandler.GetScene()->GetExtent().GetE <<
139 G4double camera_distance = extent_radius / f <<
140 <<
141 // camera position on Z axis <<
142 const G4Point3D& target_point = <<
143 fSceneHandler.GetScene()->GetStandardTarge <<
144 fVP.GetCurrentTargetPoint(); <<
145 G4double E_z = target_point.z() + camera_dis <<
146 G4Point3D E(0.0, 0.0, E_z); <<
147 <<
148 // VRML codes are generated below <<
149 fDest << G4endl; <<
150 fDest << "#---------- CAMERA" << G4endl; <<
151 fDest << "Viewpoint {" << G4endl; <<
152 fDest << "\t" <<
153 << "position "; <<
154 fDest << E.x() << " "; <<
155 fDest << E.y() << " "; <<
156 fDest << E.z() << G4endl; <<
157 fDest << "}" << G4endl; <<
158 fDest << G4endl; <<
159 } 157 }
160 158