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25 // 25 //
26 // 26 //
>> 27 // $Id: G4RayTracerViewer.cc 74050 2013-09-20 09:38:19Z 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 <<
34 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
35 34
36 #include "G4VSceneHandler.hh" 35 #include "G4VSceneHandler.hh"
37 #include "G4Scene.hh" 36 #include "G4Scene.hh"
38 #ifdef G4MULTITHREADED <<
39 #include "G4TheMTRayTracer.hh" <<
40 #else <<
41 #include "G4TheRayTracer.hh" 37 #include "G4TheRayTracer.hh"
42 #endif <<
43 #include "G4RTJpegMaker.hh" <<
44 #include "G4RTSimpleScanner.hh" <<
45 #include "G4UImanager.hh" 38 #include "G4UImanager.hh"
46 39
47 #define G4warn G4cout << 40 #ifdef G4MULTITHREADED
>> 41 #include "G4TheMTRayTracer.hh"
>> 42 #endif
48 43
49 G4RayTracerViewer::G4RayTracerViewer 44 G4RayTracerViewer::G4RayTracerViewer
50 (G4VSceneHandler& sceneHandler, 45 (G4VSceneHandler& sceneHandler,
51 const G4String& name, 46 const G4String& name,
52 G4TheRayTracer* aTracer) << 47 G4TheRayTracer* aTracer):
53 : G4VViewer(sceneHandler, sceneHandler.Increme << 48 G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name),
54 , fFileCount(0) << 49 fFileCount(0)
>> 50 {
>> 51 theTracer = aTracer;
55 #ifdef G4MULTITHREADED 52 #ifdef G4MULTITHREADED
56 #include "G4TheMTRayTracer.hh" << 53 if (!aTracer) theTracer = G4TheMTRayTracer::theInstance;
57 , theTracer(aTracer? aTracer: G4TheMTRayTracer << 54 if (!theTracer) theTracer = new G4TheMTRayTracer;
58 #else 55 #else
59 , theTracer(aTracer? aTracer: new G4TheRayTrac << 56 if (!aTracer) theTracer = new G4TheRayTracer;
60 #endif 57 #endif
61 { <<
62 if (!theTracer) { <<
63 G4warn << "G4RayTracerViewer::Initialise: <<
64 fViewId = -1; // This flags an error. <<
65 return; <<
66 } <<
67 } <<
68 <<
69 G4RayTracerViewer::~G4RayTracerViewer() {} <<
70 <<
71 void G4RayTracerViewer::Initialise() <<
72 { <<
73 theTracer->SetNColumn(fVP.GetWindowSizeHintX 58 theTracer->SetNColumn(fVP.GetWindowSizeHintX());
74 theTracer->SetNRow(fVP.GetWindowSizeHintY()) 59 theTracer->SetNRow(fVP.GetWindowSizeHintY());
75 } 60 }
76 61
>> 62 G4RayTracerViewer::~G4RayTracerViewer() {}
>> 63
77 void G4RayTracerViewer::SetView() 64 void G4RayTracerViewer::SetView()
78 { 65 {
79 // Get radius of scene, etc. (See G4OpenGLV 66 // Get radius of scene, etc. (See G4OpenGLViewer::SetView().)
80 // Note that this procedure properly takes i 67 // Note that this procedure properly takes into account zoom, dolly and pan.
81 const G4Point3D& targetPoint 68 const G4Point3D& targetPoint
82 = fSceneHandler.GetScene()->GetStandardTar 69 = fSceneHandler.GetScene()->GetStandardTargetPoint()
83 + fVP.GetCurrentTargetPoint(); 70 + fVP.GetCurrentTargetPoint();
84 G4double radius = // See G4ViewParameters f 71 G4double radius = // See G4ViewParameters for following procedure.
85 fSceneHandler.GetScene()->GetExtent().GetE 72 fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
86 if(radius<=0.) radius = 1.; 73 if(radius<=0.) radius = 1.;
87 const G4double cameraDistance = fVP.GetCamer 74 const G4double cameraDistance = fVP.GetCameraDistance(radius);
88 const G4Point3D cameraPosition = 75 const G4Point3D cameraPosition =
89 targetPoint + cameraDistance * fVP.GetView 76 targetPoint + cameraDistance * fVP.GetViewpointDirection().unit();
90 const G4double nearDistance = fVP.GetNearDi 77 const G4double nearDistance = fVP.GetNearDistance(cameraDistance,radius);
91 const G4double frontHalfHeight = fVP.GetFron 78 const G4double frontHalfHeight = fVP.GetFrontHalfHeight(nearDistance,radius);
92 const G4double frontHalfAngle = std::atan(fr 79 const G4double frontHalfAngle = std::atan(frontHalfHeight / nearDistance);
93 80
94 // Calculate and set ray tracer parameters. 81 // Calculate and set ray tracer parameters.
95 theTracer-> 82 theTracer->
96 SetViewSpan(200. * frontHalfAngle / theTra 83 SetViewSpan(200. * frontHalfAngle / theTracer->GetNColumn());
97 theTracer->SetTargetPosition(targetPoint); 84 theTracer->SetTargetPosition(targetPoint);
98 theTracer->SetEyePosition(cameraPosition); 85 theTracer->SetEyePosition(cameraPosition);
99 theTracer->SetUpVector(fVP.GetUpVector()); 86 theTracer->SetUpVector(fVP.GetUpVector());
100 const G4Vector3D 87 const G4Vector3D
101 actualLightpointDirection(-fVP.GetActualLi 88 actualLightpointDirection(-fVP.GetActualLightpointDirection());
102 theTracer->SetLightDirection(actualLightpoin 89 theTracer->SetLightDirection(actualLightpointDirection);
103 theTracer->SetBackgroundColour(fVP.GetBackgr 90 theTracer->SetBackgroundColour(fVP.GetBackgroundColour());
104 } 91 }
105 92
106 93
107 void G4RayTracerViewer::ClearView() {} 94 void G4RayTracerViewer::ClearView() {}
108 95
109 void G4RayTracerViewer::DrawView() 96 void G4RayTracerViewer::DrawView()
110 { 97 {
111 // Trap recursive call 98 // Trap recursive call
112 static G4bool called = false; 99 static G4bool called = false;
113 if (called) return; 100 if (called) return;
114 called = true; 101 called = true;
115 102
116 if (fVP.GetFieldHalfAngle() == 0.) { // Orth 103 if (fVP.GetFieldHalfAngle() == 0.) { // Orthogonal (parallel) projection.
117 G4double fieldHalfAngle = perMillion; 104 G4double fieldHalfAngle = perMillion;
118 fVP.SetFieldHalfAngle(fieldHalfAngle); 105 fVP.SetFieldHalfAngle(fieldHalfAngle);
119 G4warn << << 106 G4cout <<
120 "WARNING: G4RayTracerViewer::DrawView: t 107 "WARNING: G4RayTracerViewer::DrawView: true orthogonal projection"
121 "\n not yet implemented. Doing a \"lon 108 "\n not yet implemented. Doing a \"long shot\", i.e., a perspective"
122 "\n projection with a half field angle 109 "\n projection with a half field angle of "
123 << fieldHalfAngle << 110 << fieldHalfAngle <<
124 " radians." 111 " radians."
125 << G4endl; 112 << G4endl;
126 SetView(); // With this fieldHalfAngle << 113 SetView(); // Special graphics system - bypass ProcessView().
127 ProcessView(); <<
128 fVP.SetFieldHalfAngle(0.); 114 fVP.SetFieldHalfAngle(0.);
129 } 115 }
130 else { 116 else {
131 ProcessView(); << 117 SetView(); // Special graphics system - bypass ProcessView().
132 } 118 }
133 std::ostringstream filename; 119 std::ostringstream filename;
134 filename << "g4RayTracer." << fShortName << << 120 filename << "g4RayTracer." << fShortName << '_' << fFileCount++ << ".jpeg";
135 << std::setw(4) << std::setfill('0') << fFil <<
136 theTracer->Trace(filename.str()); 121 theTracer->Trace(filename.str());
137 122
138 // Reset call flag 123 // Reset call flag
139 called = false; 124 called = false;
140 } 125 }
141 126