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26 // 26 //
>> 27 // $Id: G4RayTracerViewer.cc 104015 2017-05-08 07:28:08Z gcosmo $
27 28
28 #include "G4RayTracerViewer.hh" 29 #include "G4RayTracerViewer.hh"
29 30
30 #include "G4ios.hh" 31 #include "G4ios.hh"
31 #include <sstream> 32 #include <sstream>
32 #include <iomanip> 33 #include <iomanip>
33 34
34 #include "G4SystemOfUnits.hh" 35 #include "G4SystemOfUnits.hh"
35 36
36 #include "G4VSceneHandler.hh" 37 #include "G4VSceneHandler.hh"
37 #include "G4Scene.hh" 38 #include "G4Scene.hh"
38 #ifdef G4MULTITHREADED <<
39 #include "G4TheMTRayTracer.hh" <<
40 #else <<
41 #include "G4TheRayTracer.hh" 39 #include "G4TheRayTracer.hh"
42 #endif <<
43 #include "G4RTJpegMaker.hh" <<
44 #include "G4RTSimpleScanner.hh" <<
45 #include "G4UImanager.hh" 40 #include "G4UImanager.hh"
46 41
47 #define G4warn G4cout <<
48 <<
49 G4RayTracerViewer::G4RayTracerViewer 42 G4RayTracerViewer::G4RayTracerViewer
50 (G4VSceneHandler& sceneHandler, 43 (G4VSceneHandler& sceneHandler,
51 const G4String& name, 44 const G4String& name,
52 G4TheRayTracer* aTracer) 45 G4TheRayTracer* aTracer)
53 : G4VViewer(sceneHandler, sceneHandler.Increme 46 : G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name)
54 , fFileCount(0) 47 , fFileCount(0)
55 #ifdef G4MULTITHREADED << 48 , theTracer(aTracer)
56 #include "G4TheMTRayTracer.hh" <<
57 , theTracer(aTracer? aTracer: G4TheMTRayTracer <<
58 #else <<
59 , theTracer(aTracer? aTracer: new G4TheRayTrac <<
60 #endif <<
61 { 49 {
62 if (!theTracer) { 50 if (!theTracer) {
63 G4warn << "G4RayTracerViewer::Initialise: << 51 G4cerr << "G4RayTracerViewer::Initialise: No tracer" << G4endl;
64 fViewId = -1; // This flags an error. 52 fViewId = -1; // This flags an error.
65 return; 53 return;
66 } 54 }
67 } 55 }
68 56
69 G4RayTracerViewer::~G4RayTracerViewer() {} 57 G4RayTracerViewer::~G4RayTracerViewer() {}
70 58
71 void G4RayTracerViewer::Initialise() 59 void G4RayTracerViewer::Initialise()
72 { 60 {
73 theTracer->SetNColumn(fVP.GetWindowSizeHintX 61 theTracer->SetNColumn(fVP.GetWindowSizeHintX());
74 theTracer->SetNRow(fVP.GetWindowSizeHintY()) 62 theTracer->SetNRow(fVP.GetWindowSizeHintY());
75 } 63 }
76 64
77 void G4RayTracerViewer::SetView() 65 void G4RayTracerViewer::SetView()
78 { 66 {
79 // Get radius of scene, etc. (See G4OpenGLV 67 // Get radius of scene, etc. (See G4OpenGLViewer::SetView().)
80 // Note that this procedure properly takes i 68 // Note that this procedure properly takes into account zoom, dolly and pan.
81 const G4Point3D& targetPoint 69 const G4Point3D& targetPoint
82 = fSceneHandler.GetScene()->GetStandardTar 70 = fSceneHandler.GetScene()->GetStandardTargetPoint()
83 + fVP.GetCurrentTargetPoint(); 71 + fVP.GetCurrentTargetPoint();
84 G4double radius = // See G4ViewParameters f 72 G4double radius = // See G4ViewParameters for following procedure.
85 fSceneHandler.GetScene()->GetExtent().GetE 73 fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
86 if(radius<=0.) radius = 1.; 74 if(radius<=0.) radius = 1.;
87 const G4double cameraDistance = fVP.GetCamer 75 const G4double cameraDistance = fVP.GetCameraDistance(radius);
88 const G4Point3D cameraPosition = 76 const G4Point3D cameraPosition =
89 targetPoint + cameraDistance * fVP.GetView 77 targetPoint + cameraDistance * fVP.GetViewpointDirection().unit();
90 const G4double nearDistance = fVP.GetNearDi 78 const G4double nearDistance = fVP.GetNearDistance(cameraDistance,radius);
91 const G4double frontHalfHeight = fVP.GetFron 79 const G4double frontHalfHeight = fVP.GetFrontHalfHeight(nearDistance,radius);
92 const G4double frontHalfAngle = std::atan(fr 80 const G4double frontHalfAngle = std::atan(frontHalfHeight / nearDistance);
93 81
94 // Calculate and set ray tracer parameters. 82 // Calculate and set ray tracer parameters.
95 theTracer-> 83 theTracer->
96 SetViewSpan(200. * frontHalfAngle / theTra 84 SetViewSpan(200. * frontHalfAngle / theTracer->GetNColumn());
97 theTracer->SetTargetPosition(targetPoint); 85 theTracer->SetTargetPosition(targetPoint);
98 theTracer->SetEyePosition(cameraPosition); 86 theTracer->SetEyePosition(cameraPosition);
99 theTracer->SetUpVector(fVP.GetUpVector()); 87 theTracer->SetUpVector(fVP.GetUpVector());
100 const G4Vector3D 88 const G4Vector3D
101 actualLightpointDirection(-fVP.GetActualLi 89 actualLightpointDirection(-fVP.GetActualLightpointDirection());
102 theTracer->SetLightDirection(actualLightpoin 90 theTracer->SetLightDirection(actualLightpointDirection);
103 theTracer->SetBackgroundColour(fVP.GetBackgr 91 theTracer->SetBackgroundColour(fVP.GetBackgroundColour());
104 } 92 }
105 93
106 94
107 void G4RayTracerViewer::ClearView() {} 95 void G4RayTracerViewer::ClearView() {}
108 96
109 void G4RayTracerViewer::DrawView() 97 void G4RayTracerViewer::DrawView()
110 { 98 {
111 // Trap recursive call 99 // Trap recursive call
112 static G4bool called = false; 100 static G4bool called = false;
113 if (called) return; 101 if (called) return;
114 called = true; 102 called = true;
115 103
116 if (fVP.GetFieldHalfAngle() == 0.) { // Orth 104 if (fVP.GetFieldHalfAngle() == 0.) { // Orthogonal (parallel) projection.
117 G4double fieldHalfAngle = perMillion; 105 G4double fieldHalfAngle = perMillion;
118 fVP.SetFieldHalfAngle(fieldHalfAngle); 106 fVP.SetFieldHalfAngle(fieldHalfAngle);
119 G4warn << << 107 G4cout <<
120 "WARNING: G4RayTracerViewer::DrawView: t 108 "WARNING: G4RayTracerViewer::DrawView: true orthogonal projection"
121 "\n not yet implemented. Doing a \"lon 109 "\n not yet implemented. Doing a \"long shot\", i.e., a perspective"
122 "\n projection with a half field angle 110 "\n projection with a half field angle of "
123 << fieldHalfAngle << 111 << fieldHalfAngle <<
124 " radians." 112 " radians."
125 << G4endl; 113 << G4endl;
126 SetView(); // With this fieldHalfAngle 114 SetView(); // With this fieldHalfAngle
127 ProcessView(); 115 ProcessView();
128 fVP.SetFieldHalfAngle(0.); 116 fVP.SetFieldHalfAngle(0.);
129 } 117 }
130 else { 118 else {
131 ProcessView(); 119 ProcessView();
132 } 120 }
133 std::ostringstream filename; 121 std::ostringstream filename;
134 filename << "g4RayTracer." << fShortName << 122 filename << "g4RayTracer." << fShortName << '_'
135 << std::setw(4) << std::setfill('0') << fFil 123 << std::setw(4) << std::setfill('0') << fFileCount++ << ".jpeg";
136 theTracer->Trace(filename.str()); 124 theTracer->Trace(filename.str());
137 125
138 // Reset call flag 126 // Reset call flag
139 called = false; 127 called = false;
140 } 128 }
141 129