Geant4  v4-10.4-release
 모두 클래스 네임스페이스들 파일들 함수 변수 타입정의 열거형 타입 열거형 멤버 Friends 매크로 그룹들 페이지들
G4XXXSGViewer.cc
이 파일의 문서화 페이지로 가기
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: G4XXXSGViewer.cc 109510 2018-04-26 07:15:57Z gcosmo $
28 //
29 //
30 // John Allison 10th March 2006
31 // A template for a sophisticated graphics driver with a scene graph.
32 //?? Lines beginning like this require specialisation for your driver.
33 
34 #include "G4XXXSGViewer.hh"
35 
36 #include "G4VSceneHandler.hh"
37 #include "G4XXXSGSceneHandler.hh"
38 
39 #include <fstream>
40 
42 (G4VSceneHandler& sceneHandler, const G4String& name):
43  G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name)
44 {}
45 
47 
49  //#ifdef G4XXXSGDEBUG
50  G4cout << "G4XXXSGViewer::SetView() called." << G4endl;
51  //#endif
52 }
53 
55  //#ifdef G4XXXSGDEBUG
56  G4cout << "G4XXXSGViewer::ClearView() called." << G4endl;
57  //#endif
58 }
59 
61  //#ifdef G4XXXSGDEBUG
62  G4cout << "G4XXXSGViewer::DrawView() called." << G4endl;
63  //#endif
64 
65  // First, a view should decide when to re-visit the G4 kernel.
66  // Sometimes it might not be necessary, e.g., if the scene is stored
67  // in a graphical database (e.g., OpenGL's display lists) and only
68  // the viewing angle has changed. But graphics systems without a
69  // graphical database will always need to visit the G4 kernel.
70 
71  // The fNeedKernelVisit flag might have been set by the user in
72  // /vis/viewer/rebuild, but if not, make decision and set flag only
73  // if necessary...
75  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
76 
77  ProcessView (); // Clears store and processes scene only if necessary.
78 
79  if (kernelVisitWasNeeded) {
80  // Some systems, notably OpenGL, can draw while re-building, so
81  // there might not be a need to draw from store again here. But
82  // in this case...
83  DrawFromStore("G4XXXSGViewer::DrawView");
84  } else {
85  DrawFromStore("G4XXXSGViewer::DrawView");
86  }
87 
88  // ...before finally...
89  FinishView (); // Flush streams and/or swap buffers.
90 }
91 
93  //#ifdef G4XXXSGDEBUG
94  G4cout << "G4XXXSGViewer::ShowView() called." << G4endl;
95  //#endif
96  // This is what you should see...
97  DrawFromStore("G4XXXSGViewer::ShowView");
98 }
99 
101 
102  // If there's a significant difference with the last view parameters
103  // of either the scene handler or this viewer, trigger a rebuild.
104 
105  SceneGraph& sceneGraph =
106  static_cast<G4XXXSGSceneHandler&>(fSceneHandler).fSceneGraph;
107  if (sceneGraph.fDaughters.size() == 3 // I.e., only the root nodes.
108  // (The above needs re-thinking.)
110  NeedKernelVisit (); // Sets fNeedKernelVisit.
111  }
112  fLastVP = fVP;
113 }
114 
116 {
117  // Typical comparison. Taken from OpenGL.
118  if (
119  (lastVP.GetDrawingStyle () != fVP.GetDrawingStyle ()) ||
120  (lastVP.IsAuxEdgeVisible () != fVP.IsAuxEdgeVisible ()) ||
121  (lastVP.IsCulling () != fVP.IsCulling ()) ||
122  (lastVP.IsCullingInvisible () != fVP.IsCullingInvisible ()) ||
123  (lastVP.IsDensityCulling () != fVP.IsDensityCulling ()) ||
124  (lastVP.IsCullingCovered () != fVP.IsCullingCovered ()) ||
125  (lastVP.GetCBDAlgorithmNumber() !=
127  // No need to visit kernel if section plane changes.
128  // No need to visit kernel if cutaway planes change.
129  (lastVP.IsExplode () != fVP.IsExplode ()) ||
130  (lastVP.GetNoOfSides () != fVP.GetNoOfSides ()) ||
131  (lastVP.IsMarkerNotHidden () != fVP.IsMarkerNotHidden ()) ||
132  (lastVP.GetDefaultVisAttributes()->GetColour() !=
134  (lastVP.GetDefaultTextVisAttributes()->GetColour() !=
136  (lastVP.GetBackgroundColour ()!= fVP.GetBackgroundColour ())||
137  (lastVP.GetVisAttributesModifiers() !=
139  ) {
140  return true;
141  }
142 
143  if (lastVP.IsDensityCulling () &&
144  (lastVP.GetVisibleDensity () != fVP.GetVisibleDensity ()))
145  return true;
146 
147  if (lastVP.GetCBDAlgorithmNumber() > 0) {
148  if (lastVP.GetCBDParameters().size() != fVP.GetCBDParameters().size()) return true;
149  else if (lastVP.GetCBDParameters() != fVP.GetCBDParameters()) return true;
150  }
151 
152  if (lastVP.IsExplode () &&
153  (lastVP.GetExplodeFactor () != fVP.GetExplodeFactor ()))
154  return true;
155 
156  return false;
157 }
158 
160  SceneGraph& sceneGraph =
161  static_cast<G4XXXSGSceneHandler&>(fSceneHandler).fSceneGraph;
162  // Write to a file for testing...
163  static G4int iCount = 0;
164  std::ostringstream oss;
165  oss << source << '.' << fName << '.' << iCount++ << ".out";
166  G4cout << "Writing " << oss.str() << G4endl;
167  std::ofstream ofs(oss.str().c_str());
168  JA::PrintTree(ofs,&sceneGraph);
169  ofs.close();
170 }
const std::vector< G4ModelingParameters::VisAttributesModifier > & GetVisAttributesModifiers() const
G4bool IsMarkerNotHidden() const
G4double GetExplodeFactor() const
const XML_Char * name
Definition: expat.h:151
std::vector< Node * > fDaughters
virtual void FinishView()
Definition: G4VViewer.cc:101
void PrintTree(std::ostream &, Node *)
virtual ~G4XXXSGViewer()
G4bool IsDensityCulling() const
#define G4endl
Definition: G4ios.hh:61
G4bool IsAuxEdgeVisible() const
G4bool fNeedKernelVisit
Definition: G4VViewer.hh:225
G4VViewer(G4VSceneHandler &, G4int id, const G4String &name="")
Definition: G4VViewer.cc:46
const std::vector< G4double > & GetCBDParameters() const
G4bool IsCulling() const
G4ViewParameters fVP
Definition: G4VViewer.hh:220
bool G4bool
Definition: G4Types.hh:79
G4bool IsExplode() const
G4int GetCBDAlgorithmNumber() const
void NeedKernelVisit()
Definition: G4VViewer.cc:78
const G4VisAttributes * GetDefaultVisAttributes() const
G4int GetNoOfSides() const
void DrawFromStore(const G4String &source)
G4int IncrementViewCount()
G4bool IsCullingInvisible() const
DrawingStyle GetDrawingStyle() const
int G4int
Definition: G4Types.hh:78
void ProcessView()
Definition: G4VViewer.cc:105
const G4Colour & GetBackgroundColour() const
G4XXXSGViewer(G4VSceneHandler &, const G4String &name)
G4VSceneHandler & fSceneHandler
Definition: G4VViewer.hh:216
G4GLOB_DLL std::ostream G4cout
const G4VisAttributes * GetDefaultTextVisAttributes() const
G4String fName
Definition: G4VViewer.hh:218
G4bool IsCullingCovered() const
G4double GetVisibleDensity() const
void KernelVisitDecision()
const G4Colour & GetColour() const
G4ViewParameters fLastVP
G4bool CompareForKernelVisit(G4ViewParameters &)