95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. *
|
|
// * *
|
|
// * This code implementation is the intellectual property of the *
|
|
// * GEANT4 collaboration. *
|
|
// * By copying, distributing or modifying the Program (or any work *
|
|
// * based on the Program) you indicate your acceptance of this *
|
|
// * statement, and all its terms. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: ExN05MinRangeCuts.cc,v 1.4 2002/01/09 17:24:20 ranjard Exp $
|
|
// GEANT4 tag $Name: geant4-04-01 $
|
|
//
|
|
//
|
|
// --------------------------------------------------------------
|
|
// GEANT 4 class implementation file
|
|
//
|
|
// History: first implementation, based on object model of
|
|
// 2nd December 1995, G.Cosmo
|
|
// --------------------------------------------------------------
|
|
// 15 April 1998 M.Maire
|
|
// --------------------------------------------------------------
|
|
|
|
#include "ExN05MinRangeCuts.hh"
|
|
|
|
#include "G4Step.hh"
|
|
#include "G4UserLimits.hh"
|
|
#include "G4VParticleChange.hh"
|
|
#include "G4EnergyLossTables.hh"
|
|
|
|
ExN05MinRangeCuts::ExN05MinRangeCuts(const G4String& aName)
|
|
: ExN05SpecialCuts(aName)
|
|
{
|
|
if (verboseLevel>1) {
|
|
G4cout << GetProcessName() << " is created "<< G4endl;
|
|
}
|
|
SetProcessType(fUserDefined);
|
|
}
|
|
|
|
ExN05MinRangeCuts::~ExN05MinRangeCuts()
|
|
{}
|
|
|
|
ExN05MinRangeCuts::ExN05MinRangeCuts(ExN05MinRangeCuts& right)
|
|
{}
|
|
|
|
|
|
G4double ExN05MinRangeCuts::PostStepGetPhysicalInteractionLength(
|
|
const G4Track& aTrack,
|
|
G4double ,
|
|
G4ForceCondition* condition
|
|
)
|
|
{
|
|
// condition is set to "Not Forced"
|
|
*condition = NotForced;
|
|
|
|
G4double proposedStep = DBL_MAX;
|
|
// get the pointer to UserLimits
|
|
G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
|
|
const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
|
|
G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
|
|
|
|
if (pUserLimits) {
|
|
G4double temp = DBL_MAX;
|
|
|
|
//min remaining range
|
|
G4double eKine = aParticle->GetKineticEnergy();
|
|
G4Material* aMaterial = aTrack.GetMaterial();
|
|
G4double rangeNow = DBL_MAX;
|
|
if (aParticleDef->GetPDGCharge() != 0.0) {
|
|
rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,aMaterial);
|
|
}
|
|
temp = (rangeNow - pUserLimits->GetUserMinRange(aTrack));
|
|
if (temp < 0.) {
|
|
proposedStep = 0.;
|
|
} else {
|
|
if (proposedStep > temp) proposedStep = temp;
|
|
}
|
|
|
|
}
|
|
return proposedStep;
|
|
}
|