| 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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| 27 | // $Id: G4VisManager.hh,v 1.68 2008/01/04 22:03:46 allison Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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| 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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| 252 | virtual void Draw2D (const G4Circle&,
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| 253 | const G4Transform3D& objectTransformation = G4Transform3D());
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| 254 |
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| 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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| 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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| 303 | void DispatchToModel(const G4VTrajectory&, G4int i_mode);
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| 304 | // Draw the trajectory.
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| 305 |
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| 306 | G4bool FilterTrajectory(const G4VTrajectory&);
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| 307 | G4bool FilterHit(const G4VHit&);
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| 308 |
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| 309 | ////////////////////////////////////////////////////////////////////////
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| 310 | // Administration routines.
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| 311 |
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| 312 | void CreateSceneHandler (G4String name = "");
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| 313 | // Creates scene handler for the current system.
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| 314 |
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| 315 | void CreateViewer (G4String name = "");
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| 316 | // Creates viewer for the current scene handler.
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| 317 |
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| 318 | private:
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| 319 |
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| 320 | void BeginOfRun ();
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| 321 |
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| 322 | void BeginOfEvent ();
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| 323 |
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| 324 | void EndOfEvent ();
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| 325 | // This is called on change of state (G4ApplicationState). It is
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| 326 | // used to draw hits and trajectories if included in the current
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| 327 | // scene at the end of event, as required.
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| 328 |
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| 329 | void EndOfRun ();
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| 330 |
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| 331 | public: // With description
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| 332 |
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| 333 | /////////////////////////////////////////////////////////////////////
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| 334 | // Access functions.
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| 335 |
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| 336 | void Enable();
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| 337 | void Disable();
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| 338 | // Global enable/disable functions.
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| 339 |
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| 340 | const G4VTrajectoryModel* CurrentTrajDrawModel() const;
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| 341 |
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| 342 | G4VUserVisAction* GetUserAction () const;
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| 343 | G4VisExtent GetUserActionExtent () const;
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| 344 | G4VGraphicsSystem* GetCurrentGraphicsSystem () const;
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| 345 | G4Scene* GetCurrentScene () const;
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| 346 | G4VSceneHandler* GetCurrentSceneHandler () const;
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| 347 | G4VViewer* GetCurrentViewer () const;
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| 348 | const G4GraphicsSystemList& GetAvailableGraphicsSystems ();
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| 349 | // The above is non-const because it checks and updates the List by
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| 350 | // calling RegisterGraphicsSystems() if no graphics systems are
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| 351 | // already registered.
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| 352 | const G4SceneHandlerList& GetAvailableSceneHandlers () const;
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| 353 | const G4SceneList& GetSceneList () const;
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| 354 | Verbosity GetVerbosity () const;
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| 355 | void GetWindowSizeHint (G4int& xHint, G4int& yHint) const;
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| 356 | // Note: GetWindowSizeHint information is returned via the G4int& arguments.
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| 357 | const G4String& GetXGeometryString () const;
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| 358 | // GetXGeometryString is intended to be parsed by XParseGeometry.
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| 359 | // It contains the size information, as in GetWindowSizeHint, but
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| 360 | // may also contain the window position, e.g., "600x600-0+200. The
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| 361 | // viewer should use this in preference to GetWindowSizeHint, since
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| 362 | // it contains more information. (The size information in
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| 363 | // GetXGeometryString and GetWindowSizeHint is guaranteed to be
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| 364 | // identical.)
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| 365 | G4bool GetTransientsDrawnThisRun () const;
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| 366 | G4bool GetTransientsDrawnThisEvent () const;
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| 367 | const G4Event* GetRequestedEvent () const;
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| 368 | G4bool GetAbortReviewKeptEvents () const;
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| 369 |
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| 370 | void SetUserAction (G4VUserVisAction* pVisAction,
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| 371 | const G4VisExtent& = G4VisExtent::NullExtent);
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| 372 | void SetUserActionExtent (const G4VisExtent&);
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| 373 | void SetCurrentGraphicsSystem (G4VGraphicsSystem* pSystem);
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| 374 | void SetCurrentScene (G4Scene*);
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| 375 | void SetCurrentSceneHandler (G4VSceneHandler* pScene);
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| 376 | void SetCurrentViewer (G4VViewer* pView);
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| 377 | G4SceneHandlerList& SetAvailableSceneHandlers (); // Returns lvalue.
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| 378 | G4SceneList& SetSceneList (); // Returns lvalue.
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| 379 | void SetVerboseLevel (G4int);
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| 380 | void SetVerboseLevel (const G4String&);
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| 381 | void SetVerboseLevel (Verbosity);
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| 382 | void SetWindowSizeHint (G4int xHint, G4int yHint);
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| 383 | void SetXGeometryString (const G4String&);
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| 384 | void SetEventRefreshing (G4bool);
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| 385 | void ResetTransientsDrawnFlags ();
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| 386 | // If non-zero, requested event is used in G4VSceneHandler::ProcessScene.
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| 387 | void SetRequestedEvent (const G4Event*);
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| 388 | void SetAbortReviewKeptEvents (G4bool);
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| 389 |
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| 390 | /////////////////////////////////////////////////////////////////////
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| 391 | // Utility functions.
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| 392 |
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| 393 | G4String ViewerShortName (const G4String& viewerName) const;
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| 394 | // Returns shortened version of viewer name, i.e., up to first space,
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| 395 | // if any.
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| 396 |
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| 397 | G4VViewer* GetViewer (const G4String& viewerName) const;
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| 398 | // Returns zero if not found. Can use long or short name, but find
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| 399 | // is done on short name.
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| 400 |
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| 401 | static Verbosity GetVerbosityValue(const G4String&);
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| 402 | // Returns verbosity given a string. (Uses first character only.)
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| 403 |
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| 404 | static Verbosity GetVerbosityValue(G4int);
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| 405 | // Returns verbosity given an integer. If integer is out of range,
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| 406 | // selects verbosity at extreme of range.
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| 407 |
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| 408 | static G4String VerbosityString(Verbosity);
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| 409 | // Converts the verbosity into a string for suitable for printing.
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| 410 |
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| 411 | static std::vector<G4String> VerbosityGuidanceStrings;
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| 412 | // Guidance on the use of visualization verbosity.
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| 413 |
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| 414 | protected:
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| 415 |
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| 416 | virtual void RegisterGraphicsSystems () = 0;
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| 417 | // The sub-class must implement and make successive calls to
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| 418 | // RegisterGraphicsSystem.
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| 419 |
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| 420 | virtual void RegisterModelFactories();
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| 421 | // Sub-class must register desired models
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| 422 |
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| 423 | void RegisterMessengers (); // Command messengers.
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| 424 |
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| 425 | const G4int fVerbose;
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| 426 | // fVerbose is kept for backwards compatibility for some user
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| 427 | // examples. (It is used in the derived user vis managers to print
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| 428 | // available graphics systems.) It is initialised to 1 in the
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| 429 | // constructor and cannot be changed.
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| 430 |
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| 431 | void PrintAvailableGraphicsSystems () const;
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| 432 |
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| 433 | private:
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| 434 |
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| 435 | void PrintAvailableModels (Verbosity) const;
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| 436 | void PrintInvalidPointers () const;
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| 437 | G4bool IsValidView ();
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| 438 | // True if view is valid. Prints messages and sanitises various data.
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| 439 | void ClearTransientStoreIfMarked();
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| 440 | // Clears transient store of current scene handler if it is marked
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| 441 | // for clearing. Assumes view is valid.
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| 442 |
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| 443 | static G4VisManager* fpInstance; // Pointer to single instance.
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| 444 | G4bool fInitialised;
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| 445 | G4VUserVisAction* fpUserVisAction; // User vis action callback.
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| 446 | G4VisExtent fUserVisActionExtent;
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| 447 | G4VGraphicsSystem* fpGraphicsSystem; // Current graphics system.
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| 448 | G4Scene* fpScene; // Current scene.
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| 449 | G4VSceneHandler* fpSceneHandler; // Current scene handler.
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| 450 | G4VViewer* fpViewer; // Current viewer.
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| 451 | G4GraphicsSystemList fAvailableGraphicsSystems;
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| 452 | G4SceneList fSceneList;
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| 453 | G4SceneHandlerList fAvailableSceneHandlers;
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| 454 | Verbosity fVerbosity;
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| 455 | std::vector<G4UImessenger*> fMessengerList;
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| 456 | std::vector<G4UIcommand*> fDirectoryList;
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| 457 | G4VisStateDependent* fpStateDependent; // Friend state dependent class.
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| 458 | G4int fWindowSizeHintX, fWindowSizeHintY; // For viewer...
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| 459 | G4String fXGeometryString; // ...construction.
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| 460 | G4TrajectoriesModel dummyTrajectoriesModel; // For passing drawing mode.
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| 461 | G4bool fEventRefreshing;
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| 462 | G4bool fTransientsDrawnThisRun;
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| 463 | G4bool fTransientsDrawnThisEvent;
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| 464 | G4bool fEventKeepingSuspended;
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| 465 | G4bool fKeptLastEvent;
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| 466 | const G4Event* fpRequestedEvent; // If non-zero, scene handler uses.
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| 467 | G4bool fAbortReviewKeptEvents;
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| 468 |
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| 469 | // Trajectory draw model manager
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| 470 | G4VisModelManager<G4VTrajectoryModel>* fpTrajDrawModelMgr;
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| 471 |
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| 472 | // Trajectory filter model manager
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| 473 | G4VisFilterManager<G4VTrajectory>* fpTrajFilterMgr;
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| 474 |
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| 475 | // Hit filter model manager
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| 476 | G4VisFilterManager<G4VHit>* fpHitFilterMgr;
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| 477 |
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| 478 | };
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| 479 |
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| 480 | #include "G4VisManager.icc"
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| 481 |
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| 482 | #endif
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