Geant4  v4-10.4-release
 모두 클래스 네임스페이스들 파일들 함수 변수 타입정의 열거형 타입 열거형 멤버 Friends 매크로 그룹들 페이지들
G4XXXStoredViewer.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: G4XXXStoredViewer.cc 109510 2018-04-26 07:15:57Z gcosmo $
28 //
29 //
30 // John Allison 7th March 2006
31 // A template for a graphics driver with a store/database.
32 //?? Lines beginning like this require specialisation for your driver.
33 
34 #include "G4XXXStoredViewer.hh"
35 
36 #include "G4VSceneHandler.hh"
38 
39 #include <fstream>
40 #include <sstream>
41 
43 (G4VSceneHandler& sceneHandler, const G4String& name):
44  G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name)
45 {}
46 
48 
50 #ifdef G4XXXStoredDEBUG
51  G4cout << "G4XXXStoredViewer::SetView() called." << G4endl;
52 #endif
53 }
54 
56 #ifdef G4XXXStoredDEBUG
57  G4cout << "G4XXXStoredViewer::ClearView() called." << G4endl;
58 #endif
59 }
60 
62 #ifdef G4XXXStoredDEBUG
63  G4cout << "G4XXXStoredViewer::DrawView() called." << G4endl;
64 #endif
65 
66  // First, a view should decide when to re-visit the G4 kernel.
67  // Sometimes it might not be necessary, e.g., if the scene is stored
68  // in a graphical database (e.g., OpenGL's display lists) and only
69  // the viewing angle has changed. But graphics systems without a
70  // graphical database will always need to visit the G4 kernel.
71 
72  // The fNeedKernelVisit flag might have been set by the user in
73  // /vis/viewer/rebuild, but if not, make decision and set flag only
74  // if necessary...
76  G4bool kernelVisitWasNeeded = fNeedKernelVisit; // Keep (ProcessView resets).
77 
78  ProcessView (); // Clears store and processes scene only if necessary.
79 
80  if (kernelVisitWasNeeded) {
81  // Some systems, notably OpenGL, can draw while re-building, so
82  // there might not be a need to draw from store again here. But
83  // in this case...
84  DrawFromStore();
85  } else {
86  DrawFromStore();
87  }
88 
89  // ...before finally...
90  FinishView (); // Flush streams and/or swap buffers.
91 }
92 
94 #ifdef G4XXXStoredDEBUG
95  G4cout << "G4XXXStoredViewer::ShowView() called." << G4endl;
96 #endif
97 }
98 
100 
101  // If there's a significant difference with the last view parameters
102  // of either the scene handler or this viewer, trigger a rebuild.
103 
104  typedef std::list<G4String> Store;
105  Store& store =
106  static_cast<G4XXXStoredSceneHandler&>(fSceneHandler).fStore;
107  if (store.empty() || CompareForKernelVisit(fLastVP)) {
108  NeedKernelVisit (); // Sets fNeedKernelVisit.
109  }
110  fLastVP = fVP;
111 }
112 
114 {
115  // Typical comparison. Taken from OpenGL.
116  if (
117  (lastVP.GetDrawingStyle () != fVP.GetDrawingStyle ()) ||
118  (lastVP.IsAuxEdgeVisible () != fVP.IsAuxEdgeVisible ()) ||
119  (lastVP.IsCulling () != fVP.IsCulling ()) ||
120  (lastVP.IsCullingInvisible () != fVP.IsCullingInvisible ()) ||
121  (lastVP.IsDensityCulling () != fVP.IsDensityCulling ()) ||
122  (lastVP.IsCullingCovered () != fVP.IsCullingCovered ()) ||
123  (lastVP.GetCBDAlgorithmNumber() !=
125  // No need to visit kernel if section plane changes.
126  // No need to visit kernel if cutaway planes change.
127  (lastVP.IsExplode () != fVP.IsExplode ()) ||
128  (lastVP.GetNoOfSides () != fVP.GetNoOfSides ()) ||
129  (lastVP.IsMarkerNotHidden () != fVP.IsMarkerNotHidden ()) ||
130  (lastVP.GetDefaultVisAttributes()->GetColour() !=
132  (lastVP.GetDefaultTextVisAttributes()->GetColour() !=
134  (lastVP.GetBackgroundColour ()!= fVP.GetBackgroundColour ())||
135  (lastVP.GetVisAttributesModifiers() !=
137  ) {
138  return true;
139  }
140 
141  if (lastVP.IsDensityCulling () &&
142  (lastVP.GetVisibleDensity () != fVP.GetVisibleDensity ()))
143  return true;
144 
145  if (lastVP.GetCBDAlgorithmNumber() > 0) {
146  if (lastVP.GetCBDParameters().size() != fVP.GetCBDParameters().size()) return true;
147  else if (lastVP.GetCBDParameters() != fVP.GetCBDParameters()) return true;
148  }
149 
150  if (lastVP.IsExplode () &&
151  (lastVP.GetExplodeFactor () != fVP.GetExplodeFactor ()))
152  return true;
153 
154  return false;
155 }
156 
158  typedef std::list<G4String> Store;
159  typedef std::list<G4String>::iterator StoreIterator;
160  Store& store =
161  static_cast<G4XXXStoredSceneHandler&>(fSceneHandler).fStore;
162  // Write to a file for testing...
163  static G4int iCount = 0;
164  std::ostringstream oss;
165  oss << fName << '.' << iCount++ << ".out";
166  std::ofstream ofs(oss.str().c_str());
167  for (StoreIterator i = store.begin(); i != store.end(); ++i) {
168  ofs << *i;
169  }
170  ofs.close();
171 }
const std::vector< G4ModelingParameters::VisAttributesModifier > & GetVisAttributesModifiers() const
G4bool IsMarkerNotHidden() const
G4double GetExplodeFactor() const
const XML_Char * name
Definition: expat.h:151
virtual void FinishView()
Definition: G4VViewer.cc:101
G4bool IsDensityCulling() const
#define G4endl
Definition: G4ios.hh:61
G4bool IsAuxEdgeVisible() const
G4bool fNeedKernelVisit
Definition: G4VViewer.hh:225
G4ViewParameters fLastVP
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
virtual ~G4XXXStoredViewer()
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
G4int IncrementViewCount()
G4bool IsCullingInvisible() const
DrawingStyle GetDrawingStyle() const
int G4int
Definition: G4Types.hh:78
void ProcessView()
Definition: G4VViewer.cc:105
const G4Colour & GetBackgroundColour() const
G4VSceneHandler & fSceneHandler
Definition: G4VViewer.hh:216
G4GLOB_DLL std::ostream G4cout
G4XXXStoredViewer(G4VSceneHandler &, const G4String &name)
const G4VisAttributes * GetDefaultTextVisAttributes() const
G4String fName
Definition: G4VViewer.hh:218
G4bool CompareForKernelVisit(G4ViewParameters &)
G4bool IsCullingCovered() const
G4double GetVisibleDensity() const
const G4Colour & GetColour() const