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1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . 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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 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