Gabriele Cosmo
86 lines
3.5 KiB
C++
86 lines
3.5 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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// G4VPrimaryGenerator
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//
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// Class description:
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//
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// This is an abstract base class of all of primary generators.
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// This class has only one pure virtual method GeneratePrimaryVertex()
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// which takes a G4Event object and generates a primay vertex and
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// primary particles associate to the vertex
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// Author: Makoto Asai (SLAC)
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// --------------------------------------------------------------------
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#ifndef G4VPrimaryGenerator_hh
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#define G4VPrimaryGenerator_hh 1
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#include "G4ThreeVector.hh"
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class G4Event;
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class G4VPrimaryGenerator
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{
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public:
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G4VPrimaryGenerator() = default;
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virtual ~G4VPrimaryGenerator() = default;
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// Constructor and destructor
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static G4bool CheckVertexInsideWorld(const G4ThreeVector& pos);
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// Static service method for checking a point is included
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// in the (current) world
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virtual void GeneratePrimaryVertex(G4Event* evt) = 0;
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// Pure virtual method which a concrete class derived from this
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// base class must implement
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inline G4ThreeVector GetParticlePosition() { return particle_position; }
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inline G4double GetParticleTime() { return particle_time; }
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void SetParticlePosition(G4ThreeVector aPosition);
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// Sets the initial position of the primary vertex.
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// The position must obviously be located inside the world volume.
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// A location on the surface of the world volume is also discouraged,
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// to avoid setting the momentum direction pointing out of the world
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// and therefore causing undefined behaviour and crash
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inline void SetParticleTime(G4double aTime)
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{ particle_time = aTime; }
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inline void CheckInside(G4bool val=true)
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{ ifCheckInside = val; }
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inline G4bool IfCheckInside()
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{ return ifCheckInside; }
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protected:
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G4ThreeVector particle_position; // Initialised at (0, 0, 0)
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G4double particle_time = 0.0;
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G4bool ifCheckInside = true;
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};
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#endif
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