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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------
28 // GEANT 4 - Underground Dark Matter Detecto 28 // GEANT 4 - Underground Dark Matter Detector Advanced Example
29 // 29 //
30 // For information related to this code c 30 // For information related to this code contact: Alex Howard
31 // e-mail: alexander.howard@cern.ch 31 // e-mail: alexander.howard@cern.ch
32 // ------------------------------------------- 32 // --------------------------------------------------------------
33 // Comments 33 // Comments
34 // 34 //
35 // Underground Advanced 35 // Underground Advanced
36 // by A. Howard and H. Araujo 36 // by A. Howard and H. Araujo
37 // (27th November 2001) 37 // (27th November 2001)
38 // 38 //
39 // MaxTimeCuts program 39 // MaxTimeCuts program
40 // ------------------------------------------- 40 // --------------------------------------------------------------
41 41
42 #include "DMXMaxTimeCuts.hh" 42 #include "DMXMaxTimeCuts.hh"
43 43
44 #include "G4PhysicalConstants.hh" 44 #include "G4PhysicalConstants.hh"
45 #include "G4Step.hh" 45 #include "G4Step.hh"
46 #include "G4UserLimits.hh" 46 #include "G4UserLimits.hh"
47 #include "G4VParticleChange.hh" 47 #include "G4VParticleChange.hh"
48 48
49 DMXMaxTimeCuts::DMXMaxTimeCuts(const G4String& 49 DMXMaxTimeCuts::DMXMaxTimeCuts(const G4String& aName)
50 : DMXSpecialCuts(aName) 50 : DMXSpecialCuts(aName)
51 { 51 {
52 if (verboseLevel>1) { 52 if (verboseLevel>1) {
53 G4cout << GetProcessName() << " is create 53 G4cout << GetProcessName() << " is created "<< G4endl;
54 } 54 }
55 SetProcessType(fUserDefined); 55 SetProcessType(fUserDefined);
56 } 56 }
57 57
58 DMXMaxTimeCuts::~DMXMaxTimeCuts() 58 DMXMaxTimeCuts::~DMXMaxTimeCuts()
59 {} 59 {}
60 60
61 DMXMaxTimeCuts::DMXMaxTimeCuts(DMXMaxTimeCuts& 61 DMXMaxTimeCuts::DMXMaxTimeCuts(DMXMaxTimeCuts&)
62 : DMXSpecialCuts() 62 : DMXSpecialCuts()
63 {} 63 {}
64 64
65 65
66 G4double DMXMaxTimeCuts::PostStepGetPhysicalIn 66 G4double DMXMaxTimeCuts::PostStepGetPhysicalInteractionLength(
67 const G4Track& aT 67 const G4Track& aTrack,
68 G4double , 68 G4double ,
69 G4ForceCondition* condition 69 G4ForceCondition* condition
70 ) 70 )
71 { 71 {
72 // condition is set to "Not Forced" 72 // condition is set to "Not Forced"
73 *condition = NotForced; 73 *condition = NotForced;
74 74
75 G4double proposedStep = DBL_MAX; 75 G4double proposedStep = DBL_MAX;
76 // get the pointer to UserLimits 76 // get the pointer to UserLimits
77 G4UserLimits* pUserLimits = aTrack.GetVolum 77 G4UserLimits* pUserLimits = aTrack.GetVolume()->GetLogicalVolume()->GetUserLimits();
78 const G4DynamicParticle* aParticle = aTrack 78 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
79 79
80 // can apply cuts for specific particles - 80 // can apply cuts for specific particles - use if(particleDef):
81 // G4ParticleDefinition* aParticleDef = a 81 // G4ParticleDefinition* aParticleDef = aTrack.GetDefinition();
82 82
83 // G4cout << " Time: " << pUserLimits->Ge 83 // G4cout << " Time: " << pUserLimits->GetUserMaxTime(aTrack) << G4endl;
84 84
85 if (pUserLimits) { 85 if (pUserLimits) {
86 G4double temp = DBL_MAX; 86 G4double temp = DBL_MAX;
87 //max time limit 87 //max time limit
88 G4double dTime= (pUserLimits->GetUserMaxT 88 G4double dTime= (pUserLimits->GetUserMaxTime(aTrack) - aTrack.GetGlobalTime());
89 if (dTime < 0. ) { 89 if (dTime < 0. ) {
90 proposedStep = 0.; 90 proposedStep = 0.;
91 } else { 91 } else {
92 G4double beta = (aParticle->GetTotalMom 92 G4double beta = (aParticle->GetTotalMomentum())/(aParticle->GetTotalEnergy());
93 temp = beta*c_light*dTime; 93 temp = beta*c_light*dTime;
94 if (proposedStep > temp) proposedStep = 94 if (proposedStep > temp) proposedStep = temp;
95 } 95 }
96 96
97 } 97 }
98 return proposedStep; 98 return proposedStep;
99 } 99 }
100 100