#include <G4RayTracerViewer.hh>
Inheritance diagram for G4RayTracerViewer:
Public Member Functions | |
G4RayTracerViewer (G4VSceneHandler &, const G4String &name, G4TheRayTracer *=0) | |
virtual | ~G4RayTracerViewer () |
void | SetView () |
void | ClearView () |
void | DrawView () |
G4TheRayTracer * | GetTracer () |
Protected Attributes | |
G4int | fFileCount |
G4TheRayTracer * | theTracer |
Definition at line 38 of file G4RayTracerViewer.hh.
G4RayTracerViewer::G4RayTracerViewer | ( | G4VSceneHandler & | , | |
const G4String & | name, | |||
G4TheRayTracer * | = 0 | |||
) |
Definition at line 41 of file G4RayTracerViewer.cc.
References G4TheRayTracer::SetNColumn().
00043 : 00044 G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name), 00045 fFileCount(0) 00046 { 00047 theTracer = aTracer; 00048 if (!aTracer) theTracer = new G4TheRayTracer; 00049 theTracer->SetNColumn(fVP.GetWindowSizeHintX()); 00050 theTracer->SetNRow(fVP.GetWindowSizeHintY()); 00051 }
G4RayTracerViewer::~G4RayTracerViewer | ( | ) | [virtual] |
void G4RayTracerViewer::ClearView | ( | ) | [virtual] |
void G4RayTracerViewer::DrawView | ( | ) | [virtual] |
Implements G4VViewer.
Definition at line 87 of file G4RayTracerViewer.cc.
References fFileCount, G4VViewer::fShortName, G4VViewer::fVP, G4cout, G4endl, G4ViewParameters::GetFieldHalfAngle(), G4ViewParameters::SetFieldHalfAngle(), SetView(), theTracer, and G4TheRayTracer::Trace().
00088 { 00089 // Trap recursive call 00090 static G4bool called = false; 00091 if (called) return; 00092 called = true; 00093 00094 if (fVP.GetFieldHalfAngle() == 0.) { // Orthogonal (parallel) projection. 00095 G4double fieldHalfAngle = perMillion; 00096 fVP.SetFieldHalfAngle(fieldHalfAngle); 00097 G4cout << 00098 "WARNING: G4RayTracerViewer::DrawView: true orthogonal projection" 00099 "\n not yet implemented. Doing a \"long shot\", i.e., a perspective" 00100 "\n projection with a half field angle of " 00101 << fieldHalfAngle << 00102 " radians." 00103 << G4endl; 00104 SetView(); // Special graphics system - bypass ProcessView(). 00105 fVP.SetFieldHalfAngle(0.); 00106 } 00107 else { 00108 SetView(); // Special graphics system - bypass ProcessView(). 00109 } 00110 std::ostringstream filename; 00111 filename << "g4RayTracer." << fShortName << '_' << fFileCount++ << ".jpeg"; 00112 theTracer->Trace(filename.str()); 00113 00114 // Reset call flag 00115 called = false; 00116 }
G4TheRayTracer* G4RayTracerViewer::GetTracer | ( | ) | [inline] |
Definition at line 47 of file G4RayTracerViewer.hh.
References theTracer.
Referenced by G4RTMessenger::SetNewValue().
00047 {return theTracer;}
void G4RayTracerViewer::SetView | ( | ) | [virtual] |
Implements G4VViewer.
Definition at line 55 of file G4RayTracerViewer.cc.
References G4VViewer::fSceneHandler, G4VViewer::fVP, G4ViewParameters::GetActualLightpointDirection(), G4ViewParameters::GetBackgroundColour(), G4ViewParameters::GetCameraDistance(), G4ViewParameters::GetCurrentTargetPoint(), G4Scene::GetExtent(), G4VisExtent::GetExtentRadius(), G4ViewParameters::GetFrontHalfHeight(), G4TheRayTracer::GetNColumn(), G4ViewParameters::GetNearDistance(), G4VSceneHandler::GetScene(), G4Scene::GetStandardTargetPoint(), G4ViewParameters::GetUpVector(), G4ViewParameters::GetViewpointDirection(), G4TheRayTracer::SetBackgroundColour(), G4TheRayTracer::SetEyePosition(), G4TheRayTracer::SetLightDirection(), G4TheRayTracer::SetTargetPosition(), G4TheRayTracer::SetUpVector(), and theTracer.
Referenced by DrawView().
00056 { 00057 // Get radius of scene, etc. (See G4OpenGLViewer::SetView().) 00058 // Note that this procedure properly takes into account zoom, dolly and pan. 00059 const G4Point3D& targetPoint 00060 = fSceneHandler.GetScene()->GetStandardTargetPoint() 00061 + fVP.GetCurrentTargetPoint(); 00062 G4double radius = // See G4ViewParameters for following procedure. 00063 fSceneHandler.GetScene()->GetExtent().GetExtentRadius(); 00064 if(radius<=0.) radius = 1.; 00065 const G4double cameraDistance = fVP.GetCameraDistance(radius); 00066 const G4Point3D cameraPosition = 00067 targetPoint + cameraDistance * fVP.GetViewpointDirection().unit(); 00068 const G4double nearDistance = fVP.GetNearDistance(cameraDistance,radius); 00069 const G4double frontHalfHeight = fVP.GetFrontHalfHeight(nearDistance,radius); 00070 const G4double frontHalfAngle = std::atan(frontHalfHeight / nearDistance); 00071 00072 // Calculate and set ray tracer parameters. 00073 theTracer-> 00074 SetViewSpan(200. * frontHalfAngle / theTracer->GetNColumn()); 00075 theTracer->SetTargetPosition(targetPoint); 00076 theTracer->SetEyePosition(cameraPosition); 00077 theTracer->SetUpVector(fVP.GetUpVector()); 00078 const G4Vector3D 00079 actualLightpointDirection(-fVP.GetActualLightpointDirection()); 00080 theTracer->SetLightDirection(actualLightpointDirection); 00081 theTracer->SetBackgroundColour(fVP.GetBackgroundColour()); 00082 }
G4int G4RayTracerViewer::fFileCount [protected] |
G4TheRayTracer* G4RayTracerViewer::theTracer [protected] |
Definition at line 50 of file G4RayTracerViewer.hh.
Referenced by DrawView(), GetTracer(), and SetView().