[531] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[933] | 27 | // $Id: G4VisManager.hh,v 1.70 2009/02/25 18:28:00 lgarnier Exp $ |
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[907] | 28 | // GEANT4 tag $Name: $ |
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[531] | 29 | // |
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| 30 | // |
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| 31 | |
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| 32 | // Class Description: |
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| 33 | // |
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| 34 | // The GEANT4 Visualization Manager - John Allison 02/Jan/1996. |
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| 35 | // |
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| 36 | // G4VisManager is a "Singleton", i.e., only one instance of it or any |
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| 37 | // derived class may exist. A G4Exception is thrown if an attempt is |
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| 38 | // made to instantiate more than one. |
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| 39 | // |
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| 40 | // It is also an abstract class, so the user must derive his/her own |
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| 41 | // class from G4VisManager, implement the pure virtual function |
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| 42 | // RegisterGraphicsSystems, and instantiate an object of the derived |
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| 43 | // class - for an example see |
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| 44 | // visualization/include/G4VisExecutive.hh/icc. |
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| 45 | // |
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| 46 | // The recommended way for users to obtain a pointer to the vis |
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| 47 | // manager is with G4VVisManager::GetConcreteInstance (), being always |
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| 48 | // careful to test for non-zero. This pointer is non-zero only when |
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| 49 | // (a) an object of the derived class exists and (b) when there is a |
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| 50 | // valid viewer available. |
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| 51 | // |
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| 52 | // Graphics system registration is normally done through the protected |
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| 53 | // pure virtual function RegisterGraphicsSystems called from |
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| 54 | // Initialise (). You can also use the public function |
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| 55 | // RegisterGraphicsSystem (new MyGraphicsSystem) if you have your own |
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| 56 | // graphics system. A graphics system is, in effect, a factory for |
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| 57 | // scene handlers and viewers. |
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| 58 | // |
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| 59 | // The VisManager creates and manages graphics systems, scenes, scene |
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| 60 | // handlers, viewers and some models and model makers. You can have |
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| 61 | // any number. It has the concept of a "current viewer", and the |
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| 62 | // "current scene handler", the "current scene" and the "current |
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| 63 | // graphics system" which go with it. You can select the current |
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| 64 | // viewer. Most of the the operations of the VisManager take place |
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| 65 | // with the current viewer, in particular, the Draw operations. |
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| 66 | // |
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| 67 | // Each scene comprises drawable objects such as detector components |
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| 68 | // and hits when appropriate. A scene handler translates a scene into |
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| 69 | // graphics-system-specific function calls and, possibly, a |
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| 70 | // graphics-system-dependent database - display lists, scene graphs, |
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| 71 | // etc. Each viewer has its "view parameters" (see class description |
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| 72 | // of G4ViewParameters for available parameters and also for a |
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| 73 | // description of the concept of a "standard view" and all that). |
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| 74 | // |
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| 75 | // A friend class G4VisStateDependent is "state dependent", i.e., it |
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| 76 | // is notified on change of state (G4ApplicationState). This is used |
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| 77 | // to message the G4VisManager to draw hits and trajectories in the |
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| 78 | // current scene at the end of event, as required. |
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| 79 | |
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| 80 | #ifndef G4VISMANAGER_HH |
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| 81 | #define G4VISMANAGER_HH |
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| 82 | |
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| 83 | #include "G4VVisManager.hh" |
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| 84 | |
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| 85 | #include "globals.hh" |
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| 86 | #include "G4GraphicsSystemList.hh" |
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| 87 | #include "G4ModelingParameters.hh" |
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| 88 | #include "G4NullModel.hh" |
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| 89 | #include "G4SceneHandlerList.hh" |
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| 90 | #include "G4SceneList.hh" |
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| 91 | #include "G4TrajectoriesModel.hh" |
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| 92 | #include "G4Transform3D.hh" |
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| 93 | #include "G4UImessenger.hh" |
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| 94 | |
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| 95 | #include <iostream> |
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| 96 | #include <vector> |
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| 97 | |
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| 98 | class G4Scene; |
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| 99 | class G4UIcommand; |
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| 100 | class G4UImessenger; |
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| 101 | class G4VisStateDependent; |
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| 102 | class G4VTrajectoryModel; |
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| 103 | class G4VUserVisAction; |
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| 104 | template <typename T> class G4VFilter; |
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| 105 | template <typename T> class G4VisFilterManager; |
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| 106 | template <typename T> class G4VisModelManager; |
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| 107 | template <typename T> class G4VModelFactory; |
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| 108 | class G4Event; |
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| 109 | |
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| 110 | namespace { |
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| 111 | // Useful typedef's |
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| 112 | typedef G4VModelFactory<G4VTrajectoryModel> G4TrajDrawModelFactory; |
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| 113 | typedef G4VModelFactory< G4VFilter<G4VTrajectory> > G4TrajFilterFactory; |
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| 114 | typedef G4VModelFactory< G4VFilter<G4VHit> > G4HitFilterFactory; |
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| 115 | } |
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| 116 | |
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| 117 | class G4VisManager: public G4VVisManager { |
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| 118 | |
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| 119 | // Friends - classes and functions which need access to private |
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| 120 | // members of G4VisManager. This is mainly to obtain access to |
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| 121 | // GetInstance (), which is private. The correct way for normal |
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| 122 | // users to obtain a pointer to the vis manager is with |
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| 123 | // G4VVisManager::GetConcreteInstance (), always testing for |
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| 124 | // non-zero. |
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| 125 | |
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| 126 | // Odd friends that need access to the G4VisManager... |
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| 127 | friend class G4RTSteppingAction; |
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| 128 | friend class G4RayTrajectory; |
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| 129 | friend class G4RayTracerSceneHandler; |
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| 130 | friend class G4RTMessenger; |
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| 131 | friend class G4OpenGLStoredSceneHandler; |
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| 132 | friend class G4OpenGLViewerMessenger; |
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| 133 | friend class G4OpenGLXViewerMessenger; |
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| 134 | friend class G4OpenGLXmViewerMessenger; |
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| 135 | friend class G4XXXSceneHandler; |
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| 136 | friend class G4HepRepFileSceneHandler; |
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| 137 | |
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| 138 | // Management friends... |
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| 139 | friend class G4VSceneHandler; |
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| 140 | friend class G4VViewer; |
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| 141 | |
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| 142 | friend std::ostream & operator << |
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| 143 | (std::ostream &, const G4VGraphicsSystem &); |
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| 144 | |
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| 145 | friend std::ostream & operator << |
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| 146 | (std::ostream &, const G4VSceneHandler &); |
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| 147 | |
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| 148 | friend class G4VisStateDependent; |
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| 149 | |
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| 150 | friend class G4VisCommandList; |
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| 151 | |
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| 152 | public: // With description |
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| 153 | |
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| 154 | enum Verbosity { |
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| 155 | quiet, // Nothing is printed. |
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| 156 | startup, // Startup and endup messages are printed... |
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| 157 | errors, // ...and errors... |
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| 158 | warnings, // ...and warnings... |
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| 159 | confirmations, // ...and confirming messages... |
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| 160 | parameters, // ...and parameters of scenes and views... |
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| 161 | all // ...and everything available. |
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| 162 | }; |
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| 163 | // Simple graded message scheme. |
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| 164 | |
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| 165 | protected: // With description |
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| 166 | |
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| 167 | G4VisManager (); |
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| 168 | // The constructor is protected so that an object of the derived |
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| 169 | // class may be constructed. |
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| 170 | |
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| 171 | public: // With description |
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| 172 | |
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| 173 | virtual ~G4VisManager (); |
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| 174 | |
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| 175 | private: |
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| 176 | |
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| 177 | // Private copy constructor and assigment operator - copying and |
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| 178 | // assignment not allowed. Keeps CodeWizard happy. |
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| 179 | G4VisManager (const G4VisManager&); |
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| 180 | G4VisManager& operator = (const G4VisManager&); |
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| 181 | |
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| 182 | static G4VisManager* GetInstance (); |
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| 183 | // Returns pointer to itself. Throws a G4Exception if called before |
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| 184 | // instantiation. Private so that only friends can use; the normal |
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| 185 | // user should instead use G4VVisManager::GetConcreteInstance () to |
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| 186 | // get a "higher level" pointer for general use - but always test |
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| 187 | // for non-zero. |
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| 188 | |
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| 189 | public: // With description |
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| 190 | |
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| 191 | void Initialise (); |
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| 192 | void Initialize (); // Alias Initialise (). |
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| 193 | |
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| 194 | G4bool RegisterGraphicsSystem (G4VGraphicsSystem*); |
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| 195 | // Register an individual graphics system. Normally this is done in |
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| 196 | // a sub-class implementation of the protected virtual function, |
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| 197 | // RegisterGraphicsSystems. See, e.g., G4VisExecutive.icc. |
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| 198 | |
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| 199 | void RegisterModelFactory(G4TrajDrawModelFactory* factory); |
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| 200 | // Register trajectory draw model factory. Assumes ownership of factory. |
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| 201 | |
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| 202 | void RegisterModel(G4VTrajectoryModel* model); |
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| 203 | // Register trajectory model. Assumes ownership of model. |
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| 204 | |
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| 205 | void RegisterModelFactory(G4TrajFilterFactory* factory); |
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| 206 | // Register trajectory filter model factory. Assumes ownership of factory. |
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| 207 | |
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| 208 | void RegisterModel(G4VFilter<G4VTrajectory>* filter); |
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| 209 | // Register trajectory filter model. Assumes ownership of model. |
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| 210 | |
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| 211 | void RegisterModelFactory(G4HitFilterFactory* factory); |
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| 212 | // Register trajectory hit model factory. Assumes ownership of factory. |
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| 213 | |
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| 214 | void RegisterModel(G4VFilter<G4VHit>* filter); |
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| 215 | // Register trajectory hit model. Assumes ownership of model. |
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| 216 | |
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| 217 | void SelectTrajectoryModel(const G4String& model); |
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| 218 | // Set default trajectory model. Useful for use in compiled code |
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| 219 | |
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| 220 | void RegisterMessenger(G4UImessenger* messenger); |
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| 221 | // Register messenger. Assumes ownership of messenger. |
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| 222 | |
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| 223 | ///////////////////////////////////////////////////////////////// |
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| 224 | // Now functions that implement the pure virtual functions of |
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| 225 | // G4VVisManager for drawing various visualization primitives, useful |
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| 226 | // for representing hits, digis, etc. |
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| 227 | |
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| 228 | void Draw (const G4Circle&, |
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| 229 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 230 | |
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| 231 | void Draw (const G4NURBS&, |
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| 232 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 233 | |
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| 234 | void Draw (const G4Polyhedron&, |
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| 235 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 236 | |
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| 237 | void Draw (const G4Polyline&, |
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| 238 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 239 | |
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| 240 | void Draw (const G4Polymarker&, |
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| 241 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 242 | |
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| 243 | void Draw (const G4Scale&, |
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| 244 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 245 | |
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| 246 | void Draw (const G4Square&, |
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| 247 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 248 | |
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| 249 | void Draw (const G4Text&, |
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| 250 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 251 | |
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[688] | 252 | virtual void Draw2D (const G4Circle&, |
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| 253 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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[531] | 254 | |
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[688] | 255 | virtual void Draw2D (const G4NURBS&, |
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| 256 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 257 | |
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| 258 | virtual void Draw2D (const G4Polyhedron&, |
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| 259 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 260 | |
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| 261 | virtual void Draw2D (const G4Polyline&, |
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| 262 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 263 | |
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| 264 | virtual void Draw2D (const G4Polymarker&, |
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| 265 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 266 | |
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| 267 | virtual void Draw2D (const G4Square&, |
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| 268 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 269 | |
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| 270 | virtual void Draw2D (const G4Text&, |
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| 271 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 272 | |
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[531] | 273 | //////////////////////////////////////////////////////////////////// |
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| 274 | // Now functions that implement the pure virtual functions of |
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| 275 | // G4VVisManager for drawing a GEANT4 object. Note that the |
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| 276 | // visualization attributes needed in some cases override any |
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| 277 | // visualization attributes that are associated with the object |
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| 278 | // itself - thus you can, for example, change the colour of a |
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| 279 | // physical volume. |
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| 280 | |
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| 281 | void Draw (const G4VHit&); |
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| 282 | |
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| 283 | void Draw (const G4VTrajectory&, G4int i_mode); |
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| 284 | // i_mode is a parameter that can be used to control the drawing of |
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| 285 | // the trajectory. See, e.g., G4VTrajectory::DrawTrajectory. |
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| 286 | // i_mode defaults to 0 by inheritance from G4VVisManager. |
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| 287 | |
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| 288 | void Draw (const G4LogicalVolume&, const G4VisAttributes&, |
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| 289 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 290 | |
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| 291 | void Draw (const G4VPhysicalVolume&, const G4VisAttributes&, |
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| 292 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 293 | |
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| 294 | void Draw (const G4VSolid&, const G4VisAttributes&, |
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| 295 | const G4Transform3D& objectTransformation = G4Transform3D()); |
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| 296 | |
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| 297 | //////////////////////////////////////////////////////////////////////// |
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| 298 | // Now other pure virtual functions of G4VVisManager... |
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| 299 | |
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| 300 | void GeometryHasChanged (); |
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| 301 | // Used by run manager to notify change. |
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| 302 | |
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[933] | 303 | void NotifyHandlers(); |
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| 304 | // Notify scene handlers (G4VGraphicsScene objects) that the scene |
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| 305 | // has changed so that they may rebuild their graphics database, if |
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| 306 | // any, and redraw all views. |
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| 307 | |
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[531] | 308 | void DispatchToModel(const G4VTrajectory&, G4int i_mode); |
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| 309 | // Draw the trajectory. |
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| 310 | |
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| 311 | G4bool FilterTrajectory(const G4VTrajectory&); |
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| 312 | G4bool FilterHit(const G4VHit&); |
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| 313 | |
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| 314 | //////////////////////////////////////////////////////////////////////// |
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| 315 | // Administration routines. |
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| 316 | |
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| 317 | void CreateSceneHandler (G4String name = ""); |
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| 318 | // Creates scene handler for the current system. |
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| 319 | |
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[896] | 320 | void CreateViewer (G4String name = "",G4String XGeometry = ""); |
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[531] | 321 | // Creates viewer for the current scene handler. |
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| 322 | |
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| 323 | private: |
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| 324 | |
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| 325 | void BeginOfRun (); |
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| 326 | |
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| 327 | void BeginOfEvent (); |
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| 328 | |
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| 329 | void EndOfEvent (); |
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| 330 | // This is called on change of state (G4ApplicationState). It is |
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| 331 | // used to draw hits and trajectories if included in the current |
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| 332 | // scene at the end of event, as required. |
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| 333 | |
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| 334 | void EndOfRun (); |
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| 335 | |
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| 336 | public: // With description |
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| 337 | |
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| 338 | ///////////////////////////////////////////////////////////////////// |
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| 339 | // Access functions. |
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| 340 | |
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| 341 | void Enable(); |
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| 342 | void Disable(); |
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| 343 | // Global enable/disable functions. |
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| 344 | |
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| 345 | const G4VTrajectoryModel* CurrentTrajDrawModel() const; |
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| 346 | |
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| 347 | G4VUserVisAction* GetUserAction () const; |
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| 348 | G4VisExtent GetUserActionExtent () const; |
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| 349 | G4VGraphicsSystem* GetCurrentGraphicsSystem () const; |
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| 350 | G4Scene* GetCurrentScene () const; |
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| 351 | G4VSceneHandler* GetCurrentSceneHandler () const; |
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| 352 | G4VViewer* GetCurrentViewer () const; |
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| 353 | const G4GraphicsSystemList& GetAvailableGraphicsSystems (); |
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| 354 | // The above is non-const because it checks and updates the List by |
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| 355 | // calling RegisterGraphicsSystems() if no graphics systems are |
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| 356 | // already registered. |
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| 357 | const G4SceneHandlerList& GetAvailableSceneHandlers () const; |
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| 358 | const G4SceneList& GetSceneList () const; |
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| 359 | Verbosity GetVerbosity () const; |
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| 360 | G4bool GetTransientsDrawnThisRun () const; |
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| 361 | G4bool GetTransientsDrawnThisEvent () const; |
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[593] | 362 | const G4Event* GetRequestedEvent () const; |
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| 363 | G4bool GetAbortReviewKeptEvents () const; |
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[531] | 364 | |
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| 365 | void SetUserAction (G4VUserVisAction* pVisAction, |
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| 366 | const G4VisExtent& = G4VisExtent::NullExtent); |
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| 367 | void SetUserActionExtent (const G4VisExtent&); |
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| 368 | void SetCurrentGraphicsSystem (G4VGraphicsSystem* pSystem); |
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| 369 | void SetCurrentScene (G4Scene*); |
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| 370 | void SetCurrentSceneHandler (G4VSceneHandler* pScene); |
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| 371 | void SetCurrentViewer (G4VViewer* pView); |
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| 372 | G4SceneHandlerList& SetAvailableSceneHandlers (); // Returns lvalue. |
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| 373 | G4SceneList& SetSceneList (); // Returns lvalue. |
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| 374 | void SetVerboseLevel (G4int); |
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| 375 | void SetVerboseLevel (const G4String&); |
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| 376 | void SetVerboseLevel (Verbosity); |
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| 377 | void SetEventRefreshing (G4bool); |
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| 378 | void ResetTransientsDrawnFlags (); |
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[593] | 379 | // If non-zero, requested event is used in G4VSceneHandler::ProcessScene. |
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| 380 | void SetRequestedEvent (const G4Event*); |
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| 381 | void SetAbortReviewKeptEvents (G4bool); |
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[531] | 382 | |
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| 383 | ///////////////////////////////////////////////////////////////////// |
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| 384 | // Utility functions. |
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| 385 | |
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| 386 | G4String ViewerShortName (const G4String& viewerName) const; |
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| 387 | // Returns shortened version of viewer name, i.e., up to first space, |
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| 388 | // if any. |
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| 389 | |
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| 390 | G4VViewer* GetViewer (const G4String& viewerName) const; |
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| 391 | // Returns zero if not found. Can use long or short name, but find |
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| 392 | // is done on short name. |
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| 393 | |
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| 394 | static Verbosity GetVerbosityValue(const G4String&); |
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| 395 | // Returns verbosity given a string. (Uses first character only.) |
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| 396 | |
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| 397 | static Verbosity GetVerbosityValue(G4int); |
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| 398 | // Returns verbosity given an integer. If integer is out of range, |
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| 399 | // selects verbosity at extreme of range. |
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| 400 | |
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| 401 | static G4String VerbosityString(Verbosity); |
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| 402 | // Converts the verbosity into a string for suitable for printing. |
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| 403 | |
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| 404 | static std::vector<G4String> VerbosityGuidanceStrings; |
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| 405 | // Guidance on the use of visualization verbosity. |
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| 406 | |
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| 407 | protected: |
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| 408 | |
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| 409 | virtual void RegisterGraphicsSystems () = 0; |
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| 410 | // The sub-class must implement and make successive calls to |
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| 411 | // RegisterGraphicsSystem. |
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| 412 | |
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| 413 | virtual void RegisterModelFactories(); |
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| 414 | // Sub-class must register desired models |
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| 415 | |
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| 416 | void RegisterMessengers (); // Command messengers. |
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| 417 | |
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| 418 | const G4int fVerbose; |
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| 419 | // fVerbose is kept for backwards compatibility for some user |
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| 420 | // examples. (It is used in the derived user vis managers to print |
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| 421 | // available graphics systems.) It is initialised to 1 in the |
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| 422 | // constructor and cannot be changed. |
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| 423 | |
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| 424 | void PrintAvailableGraphicsSystems () const; |
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| 425 | |
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| 426 | private: |
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| 427 | |
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| 428 | void PrintAvailableModels (Verbosity) const; |
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| 429 | void PrintInvalidPointers () const; |
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| 430 | G4bool IsValidView (); |
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| 431 | // True if view is valid. Prints messages and sanitises various data. |
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| 432 | void ClearTransientStoreIfMarked(); |
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| 433 | // Clears transient store of current scene handler if it is marked |
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| 434 | // for clearing. Assumes view is valid. |
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| 435 | |
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| 436 | static G4VisManager* fpInstance; // Pointer to single instance. |
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| 437 | G4bool fInitialised; |
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| 438 | G4VUserVisAction* fpUserVisAction; // User vis action callback. |
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| 439 | G4VisExtent fUserVisActionExtent; |
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| 440 | G4VGraphicsSystem* fpGraphicsSystem; // Current graphics system. |
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| 441 | G4Scene* fpScene; // Current scene. |
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| 442 | G4VSceneHandler* fpSceneHandler; // Current scene handler. |
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| 443 | G4VViewer* fpViewer; // Current viewer. |
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| 444 | G4GraphicsSystemList fAvailableGraphicsSystems; |
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| 445 | G4SceneList fSceneList; |
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| 446 | G4SceneHandlerList fAvailableSceneHandlers; |
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| 447 | Verbosity fVerbosity; |
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| 448 | std::vector<G4UImessenger*> fMessengerList; |
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| 449 | std::vector<G4UIcommand*> fDirectoryList; |
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| 450 | G4VisStateDependent* fpStateDependent; // Friend state dependent class. |
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[593] | 451 | G4TrajectoriesModel dummyTrajectoriesModel; // For passing drawing mode. |
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| 452 | G4bool fEventRefreshing; |
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| 453 | G4bool fTransientsDrawnThisRun; |
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| 454 | G4bool fTransientsDrawnThisEvent; |
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| 455 | G4bool fEventKeepingSuspended; |
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| 456 | G4bool fKeptLastEvent; |
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| 457 | const G4Event* fpRequestedEvent; // If non-zero, scene handler uses. |
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| 458 | G4bool fAbortReviewKeptEvents; |
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[531] | 459 | |
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| 460 | // Trajectory draw model manager |
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| 461 | G4VisModelManager<G4VTrajectoryModel>* fpTrajDrawModelMgr; |
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| 462 | |
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| 463 | // Trajectory filter model manager |
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| 464 | G4VisFilterManager<G4VTrajectory>* fpTrajFilterMgr; |
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| 465 | |
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| 466 | // Hit filter model manager |
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| 467 | G4VisFilterManager<G4VHit>* fpHitFilterMgr; |
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| 468 | |
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| 469 | }; |
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| 470 | |
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| 471 | #include "G4VisManager.icc" |
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| 472 | |
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| 473 | #endif |
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