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geant4/source/visualization/management/include/G4VisManager.hh
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Gabriele Cosmo 32390e802b Import Geant4 11.3.0 source tree
2024-12-06 11:11:40 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
//
//
// Class Description:
//
// The GEANT4 Visualization Manager - John Allison 02/Jan/1996.
//
// G4VisManager is a "Singleton", i.e., only one instance of it or any
// derived class may exist. A G4Exception is thrown if an attempt is
// made to instantiate more than one.
//
// It is also an abstract class, so the user must derive his/her own
// class from G4VisManager, implement the pure virtual function
// RegisterGraphicsSystems, and instantiate an object of the derived
// class - for an example see
// visualization/include/G4VisExecutive.hh/icc.
//
// The recommended way for users to obtain a pointer to the vis
// manager is with G4VVisManager::GetConcreteInstance (), being always
// careful to test for non-zero. This pointer is non-zero only when
// (a) an object of the derived class exists and (b) when there is a
// valid viewer available.
//
// Graphics system registration is normally done through the protected
// pure virtual function RegisterGraphicsSystems called from
// Initialise (). You can also use the public function
// RegisterGraphicsSystem (new MyGraphicsSystem) if you have your own
// graphics system. A graphics system is, in effect, a factory for
// scene handlers and viewers.
//
// The VisManager creates and manages graphics systems, scenes, scene
// handlers, viewers and some models and model makers. You can have
// any number. It has the concept of a "current viewer", and the
// "current scene handler", the "current scene" and the "current
// graphics system" which go with it. You can select the current
// viewer. Most of the the operations of the VisManager take place
// with the current viewer, in particular, the Draw operations.
//
// Each scene comprises drawable objects such as detector components
// and trajectories, hits and digis when appropriate. A scene handler
// translates a scene into graphics-system-specific function calls
// and, possibly, a graphics-system-dependent database - display
// lists, scene graphs, etc. Each viewer has its "view parameters"
// (see class description of G4ViewParameters for available parameters
// and also for a description of the concept of a "standard view" and
// all that).
//
// A friend class G4VisStateDependent is "state dependent", i.e., it
// is notified on change of state (G4ApplicationState). This is used
// to message the G4VisManager to draw hits, digis and trajectories in
// the current scene at the end of event, as required.
#ifndef G4VISMANAGER_HH
#define G4VISMANAGER_HH
// Temporary definition until Xeon Phi can handle full C++11.
#ifndef __MIC__
#define G4VIS_USE_STD11
#endif
#include "G4VVisManager.hh"
#include "globals.hh"
#include "G4GraphicsSystemList.hh"
#include "G4ModelingParameters.hh"
#include "G4NullModel.hh"
#include "G4SceneHandlerList.hh"
#include "G4SceneList.hh"
#include "G4TrajectoriesModel.hh"
#include "G4Transform3D.hh"
#include "G4UImessenger.hh"
#include <iostream>
#include <vector>
#include <map>
#include "G4Threading.hh"
class G4Scene;
class G4UIcommand;
class G4UImessenger;
class G4VisStateDependent;
class G4VTrajectoryModel;
class G4VUserVisAction;
template <typename> class G4VFilter;
template <typename> class G4VisFilterManager;
template <typename> class G4VisModelManager;
template <typename> class G4VModelFactory;
class G4Event;
// Useful typedef's
typedef G4VModelFactory<G4VTrajectoryModel> G4TrajDrawModelFactory;
typedef G4VModelFactory<G4VFilter<G4VTrajectory> > G4TrajFilterFactory;
typedef G4VModelFactory<G4VFilter<G4VHit> > G4HitFilterFactory;
typedef G4VModelFactory<G4VFilter<G4VDigi> > G4DigiFilterFactory;
class G4VisManager: public G4VVisManager {
// Management friends...
friend class G4VSceneHandler;
friend class G4VViewer;
friend class G4VisStateDependent;
friend class G4VisCommandList;
// operator << friends...
friend std::ostream& operator << (std::ostream&, const G4VGraphicsSystem&);
friend std::ostream& operator << (std::ostream&, const G4VSceneHandler&);
public: // With description
enum Verbosity {
quiet, // Nothing is printed.
startup, // Startup and endup messages are printed...
errors, // ...and errors...
warnings, // ...and warnings...
confirmations, // ...and confirming messages...
parameters, // ...and parameters of scenes and views...
all // ...and everything available.
};
// Simple graded message scheme.
protected: // With description
G4VisManager (const G4String& verbosityString = "warnings");
// The constructor is protected so that an object of the derived
// class may be constructed.
public: // With description
virtual ~G4VisManager ();
private:
// Private copy constructor and assigment operator - copying and
// assignment not allowed. Keeps CodeWizard happy.
G4VisManager (const G4VisManager&);
G4VisManager& operator = (const G4VisManager&);
public:
static G4VisManager* GetInstance ();
// Returns pointer to itself. Throws a G4Exception if called before
// instantiation. Intended only for use within the vis category; the
// normal user should instead use G4VVisManager::GetConcreteInstance()
// to get a "higher level" pointer for general use - but always test
// for non-zero.
public: // With description
void Initialise ();
void Initialize (); // Alias Initialise ()
// Optional registration of user vis actions. Added to scene with
// /vis/scene/add/userAction.
void RegisterRunDurationUserVisAction
(const G4String& name, G4VUserVisAction*,
const G4VisExtent& = G4VisExtent());
void RegisterEndOfEventUserVisAction
(const G4String& name, G4VUserVisAction*,
const G4VisExtent& = G4VisExtent());
void RegisterEndOfRunUserVisAction
(const G4String& name, G4VUserVisAction*,
const G4VisExtent& = G4VisExtent());
G4bool RegisterGraphicsSystem (G4VGraphicsSystem*);
// Register an individual graphics system. Normally this is done in
// a sub-class implementation of the protected virtual function,
// RegisterGraphicsSystems. See, e.g., G4VisExecutive.icc.
void RegisterModelFactory(G4TrajDrawModelFactory* factory);
// Register trajectory draw model factory. Assumes ownership of factory.
void RegisterModel(G4VTrajectoryModel* model);
// Register trajectory model. Assumes ownership of model.
void RegisterModelFactory(G4TrajFilterFactory* factory);
// Register trajectory filter model factory. Assumes ownership of factory.
void RegisterModel(G4VFilter<G4VTrajectory>* filter);
// Register trajectory filter model. Assumes ownership of model.
void RegisterModelFactory(G4HitFilterFactory* factory);
// Register trajectory hit model factory. Assumes ownership of factory.
void RegisterModel(G4VFilter<G4VHit>* filter);
// Register trajectory hit model. Assumes ownership of model.
void RegisterModelFactory(G4DigiFilterFactory* factory);
// Register trajectory digi model factory. Assumes ownership of factory.
void RegisterModel(G4VFilter<G4VDigi>* filter);
// Register trajectory digi model. Assumes ownership of model.
void SelectTrajectoryModel(const G4String& model);
// Set default trajectory model. Useful for use in compiled code
void RegisterMessenger(G4UImessenger* messenger);
// Register messenger. Assumes ownership of messenger.
/////////////////////////////////////////////////////////////////
// Now functions that implement the pure virtual functions of
// G4VVisManager for drawing various visualization primitives, useful
// for representing hits, digis, etc.
void Draw (const G4Circle&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4Polyhedron&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4Polyline&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4Polymarker&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4Square&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4Text&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Circle&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Polyhedron&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Polyline&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Polymarker&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Square&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw2D (const G4Text&,
const G4Transform3D& objectTransformation = G4Transform3D());
////////////////////////////////////////////////////////////////////
// Now functions that implement the pure virtual functions of
// G4VVisManager for drawing a GEANT4 object. Note that the
// visualization attributes needed in some cases override any
// visualization attributes that are associated with the object
// itself - thus you can, for example, change the colour of a
// physical volume.
void Draw (const G4VTrajectory&);
void Draw (const G4VHit&);
void Draw (const G4VDigi&);
void Draw (const G4LogicalVolume&, const G4VisAttributes&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4VPhysicalVolume&, const G4VisAttributes&,
const G4Transform3D& objectTransformation = G4Transform3D());
void Draw (const G4VSolid&, const G4VisAttributes&,
const G4Transform3D& objectTransformation = G4Transform3D());
void DrawGeometry
(G4VPhysicalVolume*, const G4Transform3D& t = G4Transform3D());
// Draws a geometry tree starting at the specified physical volume.
//////////////////////////////////////////////////////////////////////
// Optional methods that you may use to bracket a series of Draw
// messages that have identical objectTransformation to improve
// drawing speed. Use Begin/EndDraw for a series of Draw messages,
// Begin/EndDraw2D for a series of Draw2D messages. Do not mix Draw
// and Draw2D messages.
void BeginDraw
(const G4Transform3D& objectTransformation = G4Transform3D());
void EndDraw ();
void BeginDraw2D
(const G4Transform3D& objectTransformation = G4Transform3D());
void EndDraw2D ();
////////////////////////////////////////////////////////////////////////
// Now other pure virtual functions of G4VVisManager...
void GeometryHasChanged ();
// Used by run manager to notify change.
void IgnoreStateChanges(G4bool);
// This method shoud be invoked by a class that has its own event loop,
// such as the RayTracer, material scanner, etc. If the argument is true,
// the following state changes among Idle, GeomClosed and EventProc are
// caused by such a class, and thus not by the ordinary event simulation.
// The same method with false should be invoked once such an event loop
// is over.
void NotifyHandlers();
// Notify scene handlers (G4VGraphicsScene objects) that the scene
// has changed so that they may rebuild their graphics database, if
// any, and redraw all views.
void DispatchToModel(const G4VTrajectory&);
// Draw the trajectory.
G4bool FilterTrajectory(const G4VTrajectory&);
G4bool FilterHit(const G4VHit&);
G4bool FilterDigi(const G4VDigi&);
virtual void SetUpForAThread();
// This method is invoked by G4WorkerRunManager
virtual void EventReadyForVis(const G4Event*);
// This is invoked by G4SubEvtRunManager.
// The event is passed to EndOfEventKernel.
static G4ThreadFunReturnType G4VisSubThread(G4ThreadFunArgType);
// Vis sub-thread function.
////////////////////////////////////////////////////////////////////////
// Administration routines.
void CreateSceneHandler (const G4String& name = "");
// Creates scene handler for the current system.
void CreateViewer (const G4String& name = "", const G4String& XGeometry = "");
// Creates viewer for the current scene handler.
private:
void BeginOfRun ();
void BeginOfEvent ();
void EndOfEvent ();
void EndOfEventKernel (const G4Event* currentEvent);
void EndOfEventCleanup (const G4Event* currentEvent);
G4bool RequiredToBeKeptForVis (G4int eventID);
// Cluster of methods to handle end of event.
void EndOfRun ();
public: // With description
/////////////////////////////////////////////////////////////////////
// Access functions.
void Enable();
void Disable();
G4bool IsEnabled() const;
// Global enable/disable functions.
const G4VTrajectoryModel* CurrentTrajDrawModel() const;
struct UserVisAction {
UserVisAction(const G4String& name, G4VUserVisAction* pUserVisAction)
:fName(name), fpUserVisAction(pUserVisAction) {}
G4String fName;
G4VUserVisAction* fpUserVisAction;
};
const std::vector<UserVisAction>& GetRunDurationUserVisActions () const;
const std::vector<UserVisAction>& GetEndOfEventUserVisActions () const;
const std::vector<UserVisAction>& GetEndOfRunUserVisActions () const;
const std::map<G4VUserVisAction*,G4VisExtent>& GetUserVisActionExtents () const;
G4VGraphicsSystem* GetCurrentGraphicsSystem () const;
G4Scene* GetCurrentScene () const;
G4VSceneHandler* GetCurrentSceneHandler () const;
G4VViewer* GetCurrentViewer () const;
const G4GraphicsSystemList& GetAvailableGraphicsSystems ();
// The above is non-const because it checks and updates the List by
// calling RegisterGraphicsSystems() if no graphics systems are
// already registered.
const G4SceneHandlerList& GetAvailableSceneHandlers () const;
const G4SceneList& GetSceneList () const;
static Verbosity GetVerbosity ();
G4bool GetTransientsDrawnThisRun () const;
G4bool GetTransientsDrawnThisEvent () const;
G4bool GetDrawEventOnlyIfToBeKept () const;
const G4Event* GetRequestedEvent () const;
G4int GetNKeepForPostProcessingRequests () const;
G4int GetNKeepTheEventRequests () const;
G4int GetNKeepRequests () const;
G4bool GetReviewingKeptEvents () const;
G4bool GetAbortReviewKeptEvents () const;
G4bool GetReviewingPlots () const;
G4bool GetAbortReviewPlots () const;
const G4ViewParameters& GetDefaultViewParameters () const;
G4int GetMaxEventQueueSize () const;
G4bool GetWaitOnEventQueueFull () const;
virtual const G4String& GetDefaultGraphicsSystemName();
// The above has to be virtual so that the derived class, G4VisExecutive,
// can override and non-const because on first pass it may/should
// determine these defaults.
const G4String& GetDefaultXGeometryString () const;
const G4String& GetDefaultGraphicsSystemBasis() const;
const G4String& GetDefaultXGeometryStringBasis() const;
void SetCurrentGraphicsSystem (G4VGraphicsSystem*);
void SetCurrentScene (G4Scene*);
void SetCurrentSceneHandler (G4VSceneHandler*);
void SetCurrentViewer (G4VViewer*);
G4SceneHandlerList& SetAvailableSceneHandlers (); // Returns lvalue.
G4SceneList& SetSceneList (); // Returns lvalue.
void SetVerboseLevel (G4int);
void SetVerboseLevel (const G4String&);
void SetVerboseLevel (Verbosity);
void SetEventRefreshing (G4bool);
void ResetTransientsDrawnFlags ();
void SetTransientsDrawnThisRun (G4bool);
void SetTransientsDrawnThisEvent (G4bool);
void SetDrawEventOnlyIfToBeKept (G4bool);
// If non-zero, requested event is used in G4VSceneHandler::ProcessScene.
void SetRequestedEvent (const G4Event*);
void SetReviewingKeptEvents (G4bool);
void SetAbortReviewKeptEvents (G4bool);
void SetReviewingPlots (G4bool);
void SetAbortReviewPlots (G4bool);
void SetDefaultViewParameters (const G4ViewParameters&);
void SetMaxEventQueueSize (G4int);
void SetWaitOnEventQueueFull (G4bool);
void SetDefaultGraphicsSystemName(const G4String&);
void SetDefaultXGeometryString (const G4String&);
void SetDefaultGraphicsSystemBasis(const G4String&);
void SetDefaultXGeometryStringBasis(const G4String&);
/////////////////////////////////////////////////////////////////////
// Utility functions.
G4String ViewerShortName (const G4String& viewerName) const;
// Returns shortened version of viewer name, i.e., up to first space,
// if any.
G4VViewer* GetViewer (const G4String& viewerName) const;
// Returns zero if not found. Can use long or short name, but find
// is done on short name.
static Verbosity GetVerbosityValue(const G4String&);
// Returns verbosity given a string. (Uses first character only.)
static Verbosity GetVerbosityValue(G4int);
// Returns verbosity given an integer. If integer is out of range,
// selects verbosity at extreme of range.
static G4String VerbosityString(Verbosity);
// Converts the verbosity into a string for suitable for printing.
static std::vector<G4String> VerbosityGuidanceStrings;
// Guidance on the use of visualization verbosity.
static void PrintAvailableVerbosity (std::ostream& os);
void PrintAvailableGraphicsSystems (Verbosity, std::ostream& = G4cout) const;
protected:
virtual void RegisterGraphicsSystems () = 0;
// The sub-class must implement and make successive calls to
// RegisterGraphicsSystem.
virtual void RegisterModelFactories();
// Sub-class must register desired models
void RegisterMessengers (); // Command messengers.
const G4int fVerbose;
// No longer used. Use fVerbosity and access functions instead.
// fVerbose is kept for backwards compatibility for some user
// examples. (It is used in the derived user vis managers to print
// available graphics systems.) It is initialised to 1 in the
// constructor and cannot be changed.
static Verbosity fVerbosity;
G4String fDefaultGraphicsSystemName;
G4String fDefaultXGeometryString;
G4String fDefaultGraphicsSystemBasis;
G4String fDefaultXGeometryStringBasis;
private:
// Function templates to implement the Draw methods (to avoid source
// code duplication).
template <class T> void DrawT
(const T& graphics_primitive, const G4Transform3D& objectTransform);
template <class T> void DrawT2D
(const T& graphics_primitive, const G4Transform3D& objectTransform);
void PrintAvailableModels (Verbosity) const;
void InitialiseG4ColourMap () const;
void PrintAvailableColours (Verbosity) const;
void PrintAvailableUserVisActions (Verbosity) const;
void PrintInvalidPointers () const;
G4bool IsValidView ();
// True if view is valid. Prints messages and sanitises various data.
void ClearTransientStoreIfMarked();
// Clears transient store of current scene handler if it is marked
// for clearing. Assumes view is valid.
static G4VisManager* fpInstance; // Pointer to single instance.
G4bool fInitialised;
std::vector<UserVisAction> fRunDurationUserVisActions;
std::vector<UserVisAction> fEndOfEventUserVisActions;
std::vector<UserVisAction> fEndOfRunUserVisActions;
std::map<G4VUserVisAction*,G4VisExtent> fUserVisActionExtents;
G4VGraphicsSystem* fpGraphicsSystem; // Current graphics system.
G4Scene* fpScene; // Current scene.
G4VSceneHandler* fpSceneHandler; // Current scene handler.
G4VViewer* fpViewer; // Current viewer.
G4GraphicsSystemList fAvailableGraphicsSystems;
G4SceneList fSceneList;
G4SceneHandlerList fAvailableSceneHandlers;
std::vector<G4UImessenger*> fMessengerList;
std::vector<G4UIcommand*> fDirectoryList;
G4VisStateDependent* fpStateDependent; // Friend state dependent class.
G4bool fEventRefreshing;
G4bool fTransientsDrawnThisRun;
G4bool fTransientsDrawnThisEvent;
G4int fNoOfEventsDrawnThisRun;
G4int fNKeepForPostProcessingRequests;
G4int fNKeepTheEventRequests;
G4bool fEventKeepingSuspended;
G4bool fDrawEventOnlyIfToBeKept;
const G4Event* fpRequestedEvent; // If non-zero, scene handler uses.
G4bool fReviewingKeptEvents;
G4bool fAbortReviewKeptEvents;
G4bool fReviewingPlots;
G4bool fAbortReviewPlots;
G4ViewParameters fDefaultViewParameters;
G4bool fIsDrawGroup;
G4int fDrawGroupNestingDepth;
G4bool fIgnoreStateChanges;
G4int fMaxEventQueueSize;
G4bool fWaitOnEventQueueFull;
// Trajectory draw model manager
G4VisModelManager<G4VTrajectoryModel>* fpTrajDrawModelMgr;
// Trajectory filter model manager
G4VisFilterManager<G4VTrajectory>* fpTrajFilterMgr;
// Hit filter model manager
G4VisFilterManager<G4VHit>* fpHitFilterMgr;
// Digi filter model manager
G4VisFilterManager<G4VDigi>* fpDigiFilterMgr;
};
#include "G4VisManager.icc"
#endif
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