Gabriele Cosmo
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: DMXMinEkineCuts.cc,v 1.2 2002/06/18 10:17:30 ahoward Exp $
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// GEANT4 tag $Name: geant4-05-02 $
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// History: first implementation, based on object model of
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// 2nd December 1995, G.Cosmo
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// --------------------------------------------------------------
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// 15 April 1998 M.Maire
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// --------------------------------------------------------------
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#include "DMXMinEkineCuts.hh"
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#include "G4Step.hh"
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#include "G4UserLimits.hh"
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#include "G4VParticleChange.hh"
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#include "G4EnergyLossTables.hh"
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DMXMinEkineCuts::DMXMinEkineCuts(const G4String& aName)
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: DMXSpecialCuts(aName)
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{
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if (verboseLevel>1) {
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G4cout << GetProcessName() << " is created "<< G4endl;
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}
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SetProcessType(fUserDefined);
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}
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DMXMinEkineCuts::~DMXMinEkineCuts()
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{}
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DMXMinEkineCuts::DMXMinEkineCuts(DMXMinEkineCuts& right)
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{}
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G4double DMXMinEkineCuts::PostStepGetPhysicalInteractionLength(
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const G4Track& aTrack,
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G4double ,
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G4ForceCondition* condition
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)
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{
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// condition is set to "Not Forced"
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*condition = NotForced;
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G4double proposedStep = DBL_MAX;
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// get the pointer to UserLimits
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G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
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const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
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G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
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if (pUserLimits && aParticleDef->GetPDGCharge() != 0.0) {
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//min kinetic energy
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G4double temp = DBL_MAX;
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G4double eKine = aParticle->GetKineticEnergy();
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G4Material* aMaterial = aTrack.GetMaterial();
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G4double eMin = pUserLimits->GetUserMinEkine(aTrack);
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G4double rangeNow = DBL_MAX;
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rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,aMaterial);
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if (eKine < eMin ) {
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proposedStep = 0.;
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} else {
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// charged particles only
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G4double rangeMin = G4EnergyLossTables::GetRange(aParticleDef,eMin,aMaterial);
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temp = rangeNow - rangeMin;
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if (proposedStep > temp) proposedStep = temp;
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}
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}
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return proposedStep;
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}
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