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25 // 25 //
26 // 26 //
>> 27 // $Id: DMXMinEkineCuts.cc,v 1.6 2006/06/29 16:26:39 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-03-patch-01 $
27 // 29 //
28 // 30 //
29 // ------------------------------------------- 31 // --------------------------------------------------------------
30 // GEANT 4 class implementation file 32 // GEANT 4 class implementation file
31 // 33 //
32 // History: first implementation, based on ob 34 // History: first implementation, based on object model of
33 // 2nd December 1995, G.Cosmo 35 // 2nd December 1995, G.Cosmo
34 // ------------------------------------------- 36 // --------------------------------------------------------------
35 // 15 April 1998 M.Maire 37 // 15 April 1998 M.Maire
36 // ------------------------------------------- 38 // --------------------------------------------------------------
37 39
38 #include "DMXMinEkineCuts.hh" 40 #include "DMXMinEkineCuts.hh"
39 41
40 #include "G4Step.hh" 42 #include "G4Step.hh"
41 #include "G4UserLimits.hh" 43 #include "G4UserLimits.hh"
42 #include "G4VParticleChange.hh" 44 #include "G4VParticleChange.hh"
43 #include "G4LossTableManager.hh" << 45 #include "G4EnergyLossTables.hh"
44 46
45 DMXMinEkineCuts::DMXMinEkineCuts(const G4Strin 47 DMXMinEkineCuts::DMXMinEkineCuts(const G4String& aName)
46 : DMXSpecialCuts(aName) 48 : DMXSpecialCuts(aName)
47 { 49 {
48 if (verboseLevel>1) { << 50 if (verboseLevel>1) {
49 G4cout << GetProcessName() << " is created << 51 G4cout << GetProcessName() << " is created "<< G4endl;
50 } 52 }
51 SetProcessType(fUserDefined); << 53 SetProcessType(fUserDefined);
52 } 54 }
53 55
54 DMXMinEkineCuts::~DMXMinEkineCuts() 56 DMXMinEkineCuts::~DMXMinEkineCuts()
55 {} 57 {}
56 58
57 DMXMinEkineCuts::DMXMinEkineCuts(DMXMinEkineCu 59 DMXMinEkineCuts::DMXMinEkineCuts(DMXMinEkineCuts&)
58 : DMXSpecialCuts() 60 : DMXSpecialCuts()
59 {} 61 {}
60 62
61 63
62 G4double DMXMinEkineCuts::PostStepGetPhysicalI 64 G4double DMXMinEkineCuts::PostStepGetPhysicalInteractionLength(
63 const G4Track& aT 65 const G4Track& aTrack,
64 G4double , 66 G4double ,
65 G4ForceCondition* condition) << 67 G4ForceCondition* condition
>> 68 )
66 { 69 {
67 // condition is set to "Not Forced" 70 // condition is set to "Not Forced"
68 *condition = NotForced; 71 *condition = NotForced;
>> 72
>> 73 G4double proposedStep = DBL_MAX;
>> 74 // get the pointer to UserLimits
>> 75 G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
>> 76 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
>> 77 G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
69 78
70 G4double proposedStep = DBL_MAX; << 79 if (pUserLimits && aParticleDef->GetPDGCharge() != 0.0) {
71 // get the pointer to UserLimits << 80 //min kinetic energy
72 G4UserLimits* pUserLimits = aTrack.GetVolume << 81 G4double temp = DBL_MAX;
73 const G4DynamicParticle* aParticle = aTrack. << 82 G4double eKine = aParticle->GetKineticEnergy();
74 G4ParticleDefinition* aParticleDef = aTrack. << 83 const G4MaterialCutsCouple* couple = aTrack.GetMaterialCutsCouple();
75 << 84 G4double eMin = pUserLimits->GetUserMinEkine(aTrack);
76 if (pUserLimits && aParticleDef->GetPDGCharg << 85
77 //min kinetic energy << 86 G4double rangeNow = DBL_MAX;
78 G4double temp = DBL_MAX; << 87
79 G4double eKine = aParticle->GetKine << 88 rangeNow = G4EnergyLossTables::GetRange(aParticleDef,eKine,couple);
80 const G4MaterialCutsCouple* couple = aTrac << 89
81 G4double eMin = pUserLimits->GetUserMinEki << 90 if (eKine < eMin ) {
82 << 91 proposedStep = 0.;
83 if (eKine < eMin) << 92 } else {
84 return 0.; << 93 // charged particles only
85 << 94 G4double rangeMin = G4EnergyLossTables::GetRange(aParticleDef,eMin,couple);
86 G4double rangeNow = DBL_MAX; << 95 temp = rangeNow - rangeMin;
87 << 96 if (proposedStep > temp) proposedStep = temp;
88 G4LossTableManager* lossManager = G4LossTa << 97 }
89 rangeNow = lossManager->GetRange(aParticle << 98 }
90 << 99 return proposedStep;
91 // charged particles only <<
92 G4double rangeMin = lossManager->GetRange( <<
93 temp = rangeNow - rangeMin; <<
94 if (proposedStep > temp) proposedStep = te <<
95 } <<
96 return proposedStep; <<
97 } 100 }
98 101