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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
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17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id: G4VRML2FileViewer.cc,v 1.13 2006/06/29 21:26:13 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02 $
27 // 29 //
28 // G4VRML2FileViewer.cc 30 // G4VRML2FileViewer.cc
29 // Satoshi Tanaka & Yasuhide Sawada 31 // Satoshi Tanaka & Yasuhide Sawada
30 32
>> 33
31 //#define DEBUG_FR_VIEW 34 //#define DEBUG_FR_VIEW
32 35
33 #include <cmath> 36 #include <cmath>
34 37
35 #include "G4VisManager.hh" <<
36 #include "G4Scene.hh" 38 #include "G4Scene.hh"
37 #include "G4VRML2FileViewer.hh" 39 #include "G4VRML2FileViewer.hh"
38 #include "G4VRML2FileSceneHandler.hh" 40 #include "G4VRML2FileSceneHandler.hh"
39 #include "G4VRML2File.hh" 41 #include "G4VRML2File.hh"
40 #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 = 0.5 * 0.785398 ; // 0.5 * 45*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 G4cerr << "***** G4VRML2FileViewer::SetView(): No effects" << G4endl;
59 G4cout << "***** G4VRML2FileViewer::SetVie <<
60 #endif 63 #endif
61 64
62 // Do nothing, since VRML a browser is runni << 65 // Do nothing, since VRML a browser is running as a different process.
63 // SendViewParameters () will do this job in << 66 // SendViewParameters () will do this job instead.
>> 67
64 } 68 }
65 69
66 void G4VRML2FileViewer::DrawView() 70 void G4VRML2FileViewer::DrawView()
67 { 71 {
68 #if defined DEBUG_FR_VIEW 72 #if defined DEBUG_FR_VIEW
69 if(G4VisManager::GetVerbosity() >= G4VisMana << 73 G4cerr << "***** G4VRML2FileViewer::DrawView()" << G4endl;
70 G4cout << "***** G4VRML2FileViewer::DrawVi <<
71 #endif 74 #endif
72 75
73 fSceneHandler.VRMLBeginModeling(); << 76 fSceneHandler.VRMLBeginModeling() ;
74 77
75 // Viewpoint node << 78 // Viewpoint node
76 SendViewParameters(); << 79 SendViewParameters();
77 80
78 // Here is a minimal DrawView() function. << 81 // Here is a minimal DrawView() function.
79 NeedKernelVisit(); << 82 NeedKernelVisit();
80 ProcessView(); << 83 ProcessView();
81 FinishView(); << 84 FinishView();
82 } 85 }
83 86
84 void G4VRML2FileViewer::ClearView(void) 87 void G4VRML2FileViewer::ClearView(void)
85 { 88 {
86 #if defined DEBUG_FR_VIEW 89 #if defined DEBUG_FR_VIEW
87 if(G4VisManager::GetVerbosity() >= G4VisMana << 90 G4cerr << "***** G4VRML2File1View::ClearView()" << G4endl;
88 G4cout << "***** G4VRML2File1View::ClearVi <<
89 #endif 91 #endif
90 if(fSceneHandler.fFlagDestOpen) << 92 if(fSceneHandler.fFlagDestOpen) {
91 { <<
92 fSceneHandler.fDest.close(); 93 fSceneHandler.fDest.close();
93 // Re-open with same filename... 94 // Re-open with same filename...
94 fSceneHandler.fDest.open(fSceneHandler.fVR 95 fSceneHandler.fDest.open(fSceneHandler.fVRMLFileName);
95 fSceneHandler.fDest << "#VRML V2.0 utf8" << 96 fSceneHandler.fDest << "#VRML V2.0 utf8" << "\n";
96 << "\n"; << 97 fSceneHandler.fDest << "# Generated by VRML 2.0 driver of GEANT4\n" << "\n";
97 fSceneHandler.fDest << "# Generated by VRM <<
98 << "\n"; <<
99 } 98 }
100 } 99 }
101 100
102 void G4VRML2FileViewer::ShowView(void) 101 void G4VRML2FileViewer::ShowView(void)
103 { 102 {
104 #if defined DEBUG_FR_VIEW 103 #if defined DEBUG_FR_VIEW
105 if(G4VisManager::GetVerbosity() >= G4VisMana << 104 G4cerr << "***** G4VRML2FileViewer::ShowView()" << G4endl;
106 G4cout << "***** G4VRML2FileViewer::ShowVi <<
107 #endif 105 #endif
108 fSceneHandler.VRMLEndModeling(); << 106 fSceneHandler.VRMLEndModeling();
109 } 107 }
110 108
111 void G4VRML2FileViewer::FinishView(void) 109 void G4VRML2FileViewer::FinishView(void)
112 { 110 {
113 #if defined DEBUG_FR_VIEW 111 #if defined DEBUG_FR_VIEW
114 if(G4VisManager::GetVerbosity() >= G4VisMana << 112 G4cerr << "***** G4VRML2FileViewer::FinishView(): No effects" << G4endl;
115 G4cout << "***** G4VRML2FileViewer::Finish <<
116 #endif 113 #endif
117 } 114 }
118 115
119 void G4VRML2FileViewer::SendViewParameters() << 116 void G4VRML2FileViewer::SendViewParameters ()
120 { 117 {
121 // Calculates view representation based on e 118 // Calculates view representation based on extent of object being
122 // viewed and (initial) direction of camera. 119 // viewed and (initial) direction of camera. (Note: it can change
123 // later due to user interaction via visuali 120 // later due to user interaction via visualization system's GUI.)
124 121
125 #if defined DEBUG_FR_VIEW 122 #if defined DEBUG_FR_VIEW
126 if(G4VisManager::GetVerbosity() >= G4VisMana << 123 G4cerr << "***** G4VRML2FileViewer::SendViewParameters()\n";
127 G4cout << "***** G4VRML2FileViewer::SendVi << 124 #endif
128 #endif <<
129 125
130 // error recovery << 126 // error recovery
131 if(fsin_VHA < 1.0e-6) << 127 if ( fsin_VHA < 1.0e-6 ) { return ; }
132 { << 128
133 return; << 129 // camera distance
134 } << 130 G4double extent_radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
>> 131 G4double camera_distance = extent_radius / fsin_VHA ;
>> 132
>> 133 // camera position on Z axis
>> 134 const G4Point3D& target_point
>> 135 = fSceneHandler.GetScene()->GetStandardTargetPoint()
>> 136 + fVP.GetCurrentTargetPoint();
>> 137 G4double E_z = target_point.z() + camera_distance;
>> 138 G4Point3D E(0.0, 0.0, E_z );
>> 139
>> 140 // VRML codes are generated below
>> 141 fDest << G4endl;
>> 142 fDest << "#---------- CAMERA" << G4endl;
>> 143 fDest << "Viewpoint {" << G4endl;
>> 144 fDest << "\t" << "position " ;
>> 145 fDest << E.x() << " " ;
>> 146 fDest << E.y() << " " ;
>> 147 fDest << E.z() << G4endl ;
>> 148 fDest << "}" << G4endl;
>> 149 fDest << G4endl;
135 150
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 } 151 }
160 152