Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/visualization/RayTracer/src/G4RayTracerViewer.cc

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Diff markup

Differences between /visualization/RayTracer/src/G4RayTracerViewer.cc (Version 11.3.0) and /visualization/RayTracer/src/G4RayTracerViewer.cc (Version 1.1)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 //                                                
 27                                                   
 28 #include "G4RayTracerViewer.hh"                   
 29                                                   
 30 #include "G4ios.hh"                               
 31 #include <sstream>                                
 32 #include <iomanip>                                
 33                                                   
 34 #include "G4SystemOfUnits.hh"                     
 35                                                   
 36 #include "G4VSceneHandler.hh"                     
 37 #include "G4Scene.hh"                             
 38 #ifdef G4MULTITHREADED                            
 39 #include "G4TheMTRayTracer.hh"                    
 40 #else                                             
 41 #include "G4TheRayTracer.hh"                      
 42 #endif                                            
 43 #include "G4RTJpegMaker.hh"                       
 44 #include "G4RTSimpleScanner.hh"                   
 45 #include "G4UImanager.hh"                         
 46                                                   
 47 #define G4warn G4cout                             
 48                                                   
 49 G4RayTracerViewer::G4RayTracerViewer              
 50 (G4VSceneHandler& sceneHandler,                   
 51  const G4String& name,                            
 52  G4TheRayTracer* aTracer)                         
 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                                                   
 69 G4RayTracerViewer::~G4RayTracerViewer() {}        
 70                                                   
 71 void G4RayTracerViewer::Initialise()              
 72 {                                                 
 73   theTracer->SetNColumn(fVP.GetWindowSizeHintX    
 74   theTracer->SetNRow(fVP.GetWindowSizeHintY())    
 75 }                                                 
 76                                                   
 77 void G4RayTracerViewer::SetView()                 
 78 {                                                 
 79   // Get radius of scene, etc.  (See G4OpenGLV    
 80   // Note that this procedure properly takes i    
 81   const G4Point3D& targetPoint                    
 82     = fSceneHandler.GetScene()->GetStandardTar    
 83     + fVP.GetCurrentTargetPoint();                
 84   G4double radius =  // See G4ViewParameters f    
 85     fSceneHandler.GetScene()->GetExtent().GetE    
 86   if(radius<=0.) radius = 1.;                     
 87   const G4double cameraDistance = fVP.GetCamer    
 88   const G4Point3D cameraPosition =                
 89     targetPoint + cameraDistance * fVP.GetView    
 90   const G4double nearDistance  = fVP.GetNearDi    
 91   const G4double frontHalfHeight = fVP.GetFron    
 92   const G4double frontHalfAngle = std::atan(fr    
 93                                                   
 94   // Calculate and set ray tracer parameters.     
 95   theTracer->                                     
 96     SetViewSpan(200. * frontHalfAngle / theTra    
 97   theTracer->SetTargetPosition(targetPoint);      
 98   theTracer->SetEyePosition(cameraPosition);      
 99   theTracer->SetUpVector(fVP.GetUpVector());      
100   const G4Vector3D                                
101     actualLightpointDirection(-fVP.GetActualLi    
102   theTracer->SetLightDirection(actualLightpoin    
103   theTracer->SetBackgroundColour(fVP.GetBackgr    
104 }                                                 
105                                                   
106                                                   
107 void G4RayTracerViewer::ClearView() {}            
108                                                   
109 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    
117     G4double fieldHalfAngle = perMillion;         
118     fVP.SetFieldHalfAngle(fieldHalfAngle);        
119     G4warn <<                                     
120       "WARNING: G4RayTracerViewer::DrawView: t    
121       "\n  not yet implemented.  Doing a \"lon    
122       "\n  projection with a half field angle     
123      << fieldHalfAngle <<                         
124       " radians."                                 
125      << G4endl;                                   
126     SetView();  // With this fieldHalfAngle       
127     ProcessView();                                
128     fVP.SetFieldHalfAngle(0.);                    
129   }                                               
130   else {                                          
131     ProcessView();                                
132   }                                               
133   std::ostringstream filename;                    
134   filename << "g4RayTracer." << fShortName <<     
135   << std::setw(4) << std::setfill('0') << fFil    
136   theTracer->Trace(filename.str());               
137                                                   
138   // Reset call flag                              
139   called = false;                                 
140 }                                                 
141