Gabriele Cosmo
120 lines
5.0 KiB
C++
120 lines
5.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4VTrajectory
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//
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// Class description:
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//
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// This class is the abstract base class representing a trajectory of
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// a particle being tracked.
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// Its concrete class includes information of:
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// 1) List of trajectory points composing the trajectory;
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// 2) Static information of the particle which generated the trajectory;
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// 3) Track ID and parent particle ID of the trajectory.
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// Contact:
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// Questions and comments to this code should be sent to
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// Katsuya Amako (e-mail: Katsuya.Amako@kek.jp)
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// Makoto Asai (e-mail: asai@slac.stanford.edu)
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// Takashi Sasaki (e-mail: Takashi.Sasaki@kek.jp)
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// --------------------------------------------------------------------
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#ifndef G4VTrajectory_hh
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#define G4VTrajectory_hh 1
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#include "G4ThreeVector.hh"
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#include "globals.hh"
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#include <map>
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#include <vector>
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class G4Step;
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class G4VTrajectoryPoint;
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class G4AttDef;
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class G4AttValue;
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class G4VTrajectory
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{
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public:
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// Constructor/Destrcutor
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G4VTrajectory() = default;
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virtual ~G4VTrajectory() = default;
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// Equality operator
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G4bool operator==(const G4VTrajectory& right) const;
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// Accessors
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virtual G4int GetTrackID() const = 0;
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virtual G4int GetParentID() const = 0;
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virtual G4String GetParticleName() const = 0;
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// Charge is that of G4DynamicParticle
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virtual G4double GetCharge() const = 0;
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// Zero will be returned if the particle does not have PDG code.
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virtual G4int GetPDGEncoding() const = 0;
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// Momentum at the origin of the track in global coordinate system
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virtual G4ThreeVector GetInitialMomentum() const = 0;
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// Returns the number of trajectory points
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virtual G4int GetPointEntries() const = 0;
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// Returns i-th trajectory point
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virtual G4VTrajectoryPoint* GetPoint(G4int i) const = 0;
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// Converts attributes in trajectory (and trajectory point if
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// needed) to ostream. A default implementation in this base class
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// may be used or may be overridden in the concrete class. Note:
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// the user needs to follow with new-line or end-of-string,
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// depending on the nature of os
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virtual void ShowTrajectory(std::ostream& os = G4cout) const;
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// Draw the trajectory. A default implementation in this base
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// class may be used or may be overridden in the concrete class
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virtual void DrawTrajectory() const;
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// If implemented by a derived class, returns a pointer to a map of
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// attribute definitions for the attribute values below. The user
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// must test the validity of this pointer. See G4Trajectory for an
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// example of a concrete implementation of this method
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virtual const std::map<G4String, G4AttDef>* GetAttDefs() const { return nullptr; }
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// If implemented by a derived class, returns a pointer to a list
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// of attribute values suitable, e.g., for picking. Each must
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// refer to an attribute definition in the above map; its name is
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// the key. The user must test the validity of this pointer (it
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// must be non-zero and conform to the G4AttDefs, which may be
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// checked with G4AttCheck) and delete the list after use. See
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// G4Trajectory for an example of a concrete implementation of this
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// method and G4VTrajectory::ShowTrajectory for an example of its use.
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virtual std::vector<G4AttValue>* CreateAttValues() const { return nullptr; }
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// Methods invoked exclusively by G4TrackingManager
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virtual void AppendStep(const G4Step* aStep) = 0;
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virtual void MergeTrajectory(G4VTrajectory* secondTrajectory) = 0;
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};
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#endif
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