| 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 *
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15 // * use. Please see the license in the file << 14 // * use. *
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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 *
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // 23 //
>> 24 // $Id: G4RayTracerViewer.cc,v 1.10 2002/04/22 14:14:38 johna Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
27 26
28 #include "G4RayTracerViewer.hh" 27 #include "G4RayTracerViewer.hh"
29 28
30 #include "G4ios.hh" 29 #include "G4ios.hh"
31 #include <sstream> << 30 #include "g4std/strstream"
32 #include <iomanip> <<
33 <<
34 #include "G4SystemOfUnits.hh" <<
35 31
36 #include "G4VSceneHandler.hh" 32 #include "G4VSceneHandler.hh"
37 #include "G4Scene.hh" 33 #include "G4Scene.hh"
38 #ifdef G4MULTITHREADED << 34 #include "G4RayTracer.hh"
39 #include "G4TheMTRayTracer.hh" <<
40 #else <<
41 #include "G4TheRayTracer.hh" <<
42 #endif <<
43 #include "G4RTJpegMaker.hh" <<
44 #include "G4RTSimpleScanner.hh" <<
45 #include "G4UImanager.hh" 35 #include "G4UImanager.hh"
46 36
47 #define G4warn G4cout <<
48 <<
49 G4RayTracerViewer::G4RayTracerViewer 37 G4RayTracerViewer::G4RayTracerViewer
50 (G4VSceneHandler& sceneHandler, << 38 (G4VSceneHandler& sceneHandler, const G4String& name):
51 const G4String& name, << 39 G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name),
52 G4TheRayTracer* aTracer) << 40 fFileCount(0) {}
53 : G4VViewer(sceneHandler, sceneHandler.Increme <<
54 , fFileCount(0) <<
55 #ifdef G4MULTITHREADED <<
56 #include "G4TheMTRayTracer.hh" <<
57 , theTracer(aTracer? aTracer: G4TheMTRayTracer <<
58 #else <<
59 , theTracer(aTracer? aTracer: new G4TheRayTrac <<
60 #endif <<
61 { <<
62 if (!theTracer) { <<
63 G4warn << "G4RayTracerViewer::Initialise: <<
64 fViewId = -1; // This flags an error. <<
65 return; <<
66 } <<
67 } <<
68 41
69 G4RayTracerViewer::~G4RayTracerViewer() {} 42 G4RayTracerViewer::~G4RayTracerViewer() {}
70 43
71 void G4RayTracerViewer::Initialise() << 44 void G4RayTracerViewer::SetView() {
72 { << 45 G4RayTracer* theTracer =
73 theTracer->SetNColumn(fVP.GetWindowSizeHintX << 46 (G4RayTracer*) fSceneHandler.GetGraphicsSystem();
74 theTracer->SetNRow(fVP.GetWindowSizeHintY()) <<
75 } <<
76 47
77 void G4RayTracerViewer::SetView() <<
78 { <<
79 // Get radius of scene, etc. (See G4OpenGLV 48 // Get radius of scene, etc. (See G4OpenGLViewer::SetView().)
80 // Note that this procedure properly takes i 49 // Note that this procedure properly takes into account zoom, dolly and pan.
81 const G4Point3D& targetPoint 50 const G4Point3D& targetPoint
82 = fSceneHandler.GetScene()->GetStandardTar 51 = fSceneHandler.GetScene()->GetStandardTargetPoint()
83 + fVP.GetCurrentTargetPoint(); 52 + fVP.GetCurrentTargetPoint();
84 G4double radius = // See G4ViewParameters f 53 G4double radius = // See G4ViewParameters for following procedure.
85 fSceneHandler.GetScene()->GetExtent().GetE 54 fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
86 if(radius<=0.) radius = 1.; 55 if(radius<=0.) radius = 1.;
87 const G4double cameraDistance = fVP.GetCamer 56 const G4double cameraDistance = fVP.GetCameraDistance(radius);
88 const G4Point3D cameraPosition = 57 const G4Point3D cameraPosition =
89 targetPoint + cameraDistance * fVP.GetView 58 targetPoint + cameraDistance * fVP.GetViewpointDirection().unit();
90 const G4double nearDistance = fVP.GetNearDi 59 const G4double nearDistance = fVP.GetNearDistance(cameraDistance,radius);
91 const G4double frontHalfHeight = fVP.GetFron 60 const G4double frontHalfHeight = fVP.GetFrontHalfHeight(nearDistance,radius);
92 const G4double frontHalfAngle = std::atan(fr << 61 const G4double frontHalfAngle = atan(frontHalfHeight / nearDistance);
93 62
94 // Calculate and set ray tracer parameters. 63 // Calculate and set ray tracer parameters.
95 theTracer-> 64 theTracer->
96 SetViewSpan(200. * frontHalfAngle / theTra 65 SetViewSpan(200. * frontHalfAngle / theTracer->GetNColumn());
97 theTracer->SetTargetPosition(targetPoint); 66 theTracer->SetTargetPosition(targetPoint);
98 theTracer->SetEyePosition(cameraPosition); 67 theTracer->SetEyePosition(cameraPosition);
99 theTracer->SetUpVector(fVP.GetUpVector()); << 68 theTracer->SetHeadAngle(fVP.GetViewpointDirection().phi());
100 const G4Vector3D 69 const G4Vector3D
101 actualLightpointDirection(-fVP.GetActualLi 70 actualLightpointDirection(-fVP.GetActualLightpointDirection());
102 theTracer->SetLightDirection(actualLightpoin 71 theTracer->SetLightDirection(actualLightpointDirection);
103 theTracer->SetBackgroundColour(fVP.GetBackgr <<
104 } 72 }
105 73
106 74
107 void G4RayTracerViewer::ClearView() {} 75 void G4RayTracerViewer::ClearView() {}
108 76
109 void G4RayTracerViewer::DrawView() << 77 void G4RayTracerViewer::DrawView() {
110 { <<
111 // Trap recursive call <<
112 static G4bool called = false; <<
113 if (called) return; <<
114 called = true; <<
115 <<
116 if (fVP.GetFieldHalfAngle() == 0.) { // Orth 78 if (fVP.GetFieldHalfAngle() == 0.) { // Orthogonal (parallel) projection.
117 G4double fieldHalfAngle = perMillion; 79 G4double fieldHalfAngle = perMillion;
118 fVP.SetFieldHalfAngle(fieldHalfAngle); 80 fVP.SetFieldHalfAngle(fieldHalfAngle);
119 G4warn << << 81 G4cout <<
120 "WARNING: G4RayTracerViewer::DrawView: t 82 "WARNING: G4RayTracerViewer::DrawView: true orthogonal projection"
121 "\n not yet implemented. Doing a \"lon 83 "\n not yet implemented. Doing a \"long shot\", i.e., a perspective"
122 "\n projection with a half field angle 84 "\n projection with a half field angle of "
123 << fieldHalfAngle << 85 << fieldHalfAngle <<
124 " radians." 86 " radians."
125 << G4endl; 87 << G4endl;
126 SetView(); // With this fieldHalfAngle << 88 SetView(); // Special graphics system - bypass ProcessView().
127 ProcessView(); <<
128 fVP.SetFieldHalfAngle(0.); 89 fVP.SetFieldHalfAngle(0.);
129 } 90 }
130 else { 91 else {
131 ProcessView(); << 92 SetView(); // Special graphics system - bypass ProcessView().
132 } 93 }
133 std::ostringstream filename; << 94 G4RayTracer* theTracer =
134 filename << "g4RayTracer." << fShortName << << 95 (G4RayTracer*) fSceneHandler.GetGraphicsSystem();
135 << std::setw(4) << std::setfill('0') << fFil << 96 char fileName [100];
136 theTracer->Trace(filename.str()); << 97 G4std::ostrstream ost(fileName, 100);
137 << 98 ost << "g4RayTracer." << fShortName << '_' << fFileCount++ << ".jpeg"
138 // Reset call flag << 99 << G4std::ends;
139 called = false; << 100 theTracer->Trace(fileName);
140 } 101 }
141 102