Gabriele Cosmo
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: ExN05MinRangeCuts.cc,v 1.2 1999/12/15 14:49:31 gunter Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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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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// For information related to this code contact:
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// CERN, CN Division, ASD Group
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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 "ExN05MinRangeCuts.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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ExN05MinRangeCuts::ExN05MinRangeCuts(const G4String& aName)
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: ExN05SpecialCuts(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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ExN05MinRangeCuts::~ExN05MinRangeCuts()
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{}
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ExN05MinRangeCuts::ExN05MinRangeCuts(ExN05MinRangeCuts& right)
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{}
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G4double ExN05MinRangeCuts::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) {
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G4double temp = DBL_MAX;
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//min remaining range
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G4double eKine = aParticle->GetKineticEnergy();
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G4Material* aMaterial = aTrack.GetMaterial();
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G4double rangeNow = DBL_MAX;
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if (aParticleDef->GetPDGCharge() != 0.0) {
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rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,aMaterial);
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}
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temp = (rangeNow - pUserLimits->GetUserMinRange(aTrack));
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if (temp < 0.) {
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proposedStep = 0.;
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} else {
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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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