| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // 23 //
>> 24 // $Id: G4VRML2FileViewer.cc,v 1.8 2001/09/18 07:53:16 stanaka Exp $
>> 25 // GEANT4 tag $Name: geant4-05-01-patch-01 $
27 // 26 //
28 // G4VRML2FileViewer.cc 27 // G4VRML2FileViewer.cc
29 // Satoshi Tanaka & Yasuhide Sawada 28 // Satoshi Tanaka & Yasuhide Sawada
30 29
>> 30
31 //#define DEBUG_FR_VIEW 31 //#define DEBUG_FR_VIEW
32 32
33 #include <cmath> << 33 #include <math.h>
34 34
35 #include "G4VisManager.hh" <<
36 #include "G4Scene.hh" 35 #include "G4Scene.hh"
37 #include "G4VRML2FileViewer.hh" 36 #include "G4VRML2FileViewer.hh"
38 #include "G4VRML2FileSceneHandler.hh" 37 #include "G4VRML2FileSceneHandler.hh"
39 #include "G4VRML2File.hh" 38 #include "G4VRML2File.hh"
40 #include "G4SystemOfUnits.hh" <<
41 #include "G4ios.hh" 39 #include "G4ios.hh"
42 40
43 G4VRML2FileViewer::G4VRML2FileViewer(G4VRML2Fi << 41 G4VRML2FileViewer::G4VRML2FileViewer(G4VRML2FileSceneHandler& scene,
44 const G4S << 42 const G4String& name) :
45 : G4VViewer(sceneHandler, sceneHandler.Incre << 43 G4VViewer(scene, scene.IncrementViewCount(), name),
46 , fSceneHandler(sceneHandler) << 44 fSceneHandler(scene),
47 , fDest(sceneHandler.fDest) << 45 fDest(scene.fDest)
48 { 46 {
49 fViewHalfAngle = 30. * deg; << 47 fViewHalfAngle = 0.5 * 0.785398 ; // 0.5 * 45*deg
50 fsin_VHA = std::sin(fViewHalfAngle); << 48 fsin_VHA = sin ( fViewHalfAngle ) ;
51 } 49 }
52 50
53 G4VRML2FileViewer::~G4VRML2FileViewer() {} << 51 G4VRML2FileViewer::~G4VRML2FileViewer()
>> 52 {}
54 53
55 void G4VRML2FileViewer::SetView() 54 void G4VRML2FileViewer::SetView()
56 { 55 {
57 #if defined DEBUG_FR_VIEW 56 #if defined DEBUG_FR_VIEW
58 if(G4VisManager::GetVerbosity() >= G4VisMana << 57 G4cerr << "***** G4VRML2FileViewer::SetView(): No effects" << G4endl;
59 G4cout << "***** G4VRML2FileViewer::SetVie <<
60 #endif 58 #endif
61 59
62 // Do nothing, since VRML a browser is runni << 60 // Do nothing, since VRML a browser is running as a different process.
63 // SendViewParameters () will do this job in << 61 // SendViewParameters () will do this job instead.
>> 62
64 } 63 }
65 64
66 void G4VRML2FileViewer::DrawView() 65 void G4VRML2FileViewer::DrawView()
67 { 66 {
68 #if defined DEBUG_FR_VIEW 67 #if defined DEBUG_FR_VIEW
69 if(G4VisManager::GetVerbosity() >= G4VisMana << 68 G4cerr << "***** G4VRML2FileViewer::DrawView()" << G4endl;
70 G4cout << "***** G4VRML2FileViewer::DrawVi <<
71 #endif 69 #endif
72 70
73 fSceneHandler.VRMLBeginModeling(); << 71 fSceneHandler.VRMLBeginModeling() ;
74 72
75 // Viewpoint node << 73 // Viewpoint node
76 SendViewParameters(); << 74 SendViewParameters();
77 75
78 // Here is a minimal DrawView() function. << 76 // Here is a minimal DrawView() function.
79 NeedKernelVisit(); << 77 NeedKernelVisit();
80 ProcessView(); << 78 ProcessView();
81 FinishView(); << 79 FinishView();
82 } 80 }
83 81
84 void G4VRML2FileViewer::ClearView(void) 82 void G4VRML2FileViewer::ClearView(void)
85 { 83 {
86 #if defined DEBUG_FR_VIEW 84 #if defined DEBUG_FR_VIEW
87 if(G4VisManager::GetVerbosity() >= G4VisMana << 85 G4cerr << "***** G4VRML2File1View::ClearView(): No effects" << G4endl;
88 G4cout << "***** G4VRML2File1View::ClearVi <<
89 #endif 86 #endif
90 if(fSceneHandler.fFlagDestOpen) <<
91 { <<
92 fSceneHandler.fDest.close(); <<
93 // Re-open with same filename... <<
94 fSceneHandler.fDest.open(fSceneHandler.fVR <<
95 fSceneHandler.fDest << "#VRML V2.0 utf8" <<
96 << "\n"; <<
97 fSceneHandler.fDest << "# Generated by VRM <<
98 << "\n"; <<
99 } <<
100 } 87 }
101 88
102 void G4VRML2FileViewer::ShowView(void) 89 void G4VRML2FileViewer::ShowView(void)
103 { 90 {
104 #if defined DEBUG_FR_VIEW 91 #if defined DEBUG_FR_VIEW
105 if(G4VisManager::GetVerbosity() >= G4VisMana << 92 G4cerr << "***** G4VRML2FileViewer::ShowView()" << G4endl;
106 G4cout << "***** G4VRML2FileViewer::ShowVi <<
107 #endif 93 #endif
108 fSceneHandler.VRMLEndModeling(); << 94 fSceneHandler.VRMLEndModeling();
109 } 95 }
110 96
111 void G4VRML2FileViewer::FinishView(void) 97 void G4VRML2FileViewer::FinishView(void)
112 { 98 {
113 #if defined DEBUG_FR_VIEW 99 #if defined DEBUG_FR_VIEW
114 if(G4VisManager::GetVerbosity() >= G4VisMana << 100 G4cerr << "***** G4VRML2FileViewer::FinishView(): No effects" << G4endl;
115 G4cout << "***** G4VRML2FileViewer::Finish <<
116 #endif 101 #endif
117 } 102 }
118 103
119 void G4VRML2FileViewer::SendViewParameters() << 104 void G4VRML2FileViewer::SendViewParameters ()
120 { 105 {
121 // Calculates view representation based on e 106 // Calculates view representation based on extent of object being
122 // viewed and (initial) direction of camera. 107 // viewed and (initial) direction of camera. (Note: it can change
123 // later due to user interaction via visuali 108 // later due to user interaction via visualization system's GUI.)
124 109
125 #if defined DEBUG_FR_VIEW 110 #if defined DEBUG_FR_VIEW
126 if(G4VisManager::GetVerbosity() >= G4VisMana << 111 G4cerr << "***** G4VRML2FileViewer::SendViewParameters()\n";
127 G4cout << "***** G4VRML2FileViewer::SendVi << 112 #endif
128 #endif << 113
>> 114 // error recovery
>> 115 if ( fsin_VHA < 1.0e-6 ) { return ; }
>> 116
>> 117 // camera distance
>> 118 G4double extent_radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
>> 119 G4double camera_distance = extent_radius / fsin_VHA ;
>> 120
>> 121 // camera position on Z axis
>> 122 const G4Point3D& target_point
>> 123 = fSceneHandler.GetScene()->GetStandardTargetPoint()
>> 124 + fVP.GetCurrentTargetPoint();
>> 125 G4double E_z = target_point.z() + camera_distance;
>> 126 G4Point3D E(0.0, 0.0, E_z );
>> 127
>> 128 // VRML codes are generated below
>> 129 fDest << G4endl;
>> 130 fDest << "#---------- CAMERA" << G4endl;
>> 131 fDest << "Viewpoint {" << G4endl;
>> 132 fDest << "\t" << "position " ;
>> 133 fDest << E.x() << " " ;
>> 134 fDest << E.y() << " " ;
>> 135 fDest << E.z() << G4endl ;
>> 136 fDest << "}" << G4endl;
>> 137 fDest << G4endl;
129 138
130 // error recovery <<
131 if(fsin_VHA < 1.0e-6) <<
132 { <<
133 return; <<
134 } <<
135 <<
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 } 139 }
160 140