Gabriele Cosmo
98 lines
4.5 KiB
C++
98 lines
4.5 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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/// \file Par02FastSimModelTracker.hh
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/// \brief Definition of the Par02FastSimModelTracker class
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#ifndef PAR02_TRACKER_FAST_SIM_MODEL_H
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#define PAR02_TRACKER_FAST_SIM_MODEL_H
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#include "Par02DetectorParametrisation.hh"
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#include "G4Navigator.hh"
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#include "G4Step.hh"
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#include "G4VFastSimulationModel.hh"
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/// Shortcut to the ordinary tracking for tracking detectors.
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///
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/// The fast simulation model describes what should be done instead of a
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/// normal tracking. Instead of the ordinary tracking, a particle momentum
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/// at the entrance of the tracking detector is smeared
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/// (by Par02Smearer::SmearMomentum()) and the particle is placed at the
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/// tracking detector exit, at the place it would reach without the change
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/// of its momentum. Based on G4
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/// examples/extended/parametrisations/Par01/include/Par01EMShowerModel.hh .
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/// @author Anna Zaborowska
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class Par02FastSimModelTracker : public G4VFastSimulationModel
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{
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public:
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/// A constructor.
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/// @param aModelName A name of the fast simulation model.
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/// @param aEnvelope A region where the model can take over the ordinary tracking.
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/// @param aParamType A parametrisation type.
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Par02FastSimModelTracker(G4String aModelName, G4Region* aEnvelope,
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Par02DetectorParametrisation::Parametrisation aParamType);
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/// A constructor.
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/// @param aModelName A name of the fast simulation model.
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/// @param aEnvelope A region where the model can take over the ordinary tracking.
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Par02FastSimModelTracker(G4String aModelName, G4Region* aEnvelope);
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/// A constructor.
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/// @param aModelName A name of the fast simulation model.
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Par02FastSimModelTracker(G4String aModelName);
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~Par02FastSimModelTracker();
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/// Checks if this model should be applied to this particle type.
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/// @param aParticle A particle definition (type).
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virtual G4bool IsApplicable(const G4ParticleDefinition& aParticle);
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/// Checks if the model should be applied taking into account the kinematics
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/// of a track.
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/// @param aFastTrack A track.
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virtual G4bool ModelTrigger(const G4FastTrack& aFastTrack);
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/// Calculates the final position (at the outer boundary of the tracking detector)
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/// of a particle with the momentum at the entrance of the tracking detector.
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/// Smears the particle momentum and saves it, together with the tracking detector
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/// resolution and efficiency to the Par02PrimaryParticleInformation.
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/// @param aFastTrack A track.
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/// @param aFastStep A step.
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virtual void DoIt(const G4FastTrack& aFastTrack, G4FastStep& aFastStep);
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private:
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/// A pointer to Par02DetectorParametrisation used to get the efficiency and
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/// resolution of the tracking detector for a given particle and
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/// parametrisation type.
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Par02DetectorParametrisation* fCalculateParametrisation;
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/// A parametrisation type.
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Par02DetectorParametrisation::Parametrisation fParametrisation;
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};
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#endif
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