| 1 |
nikolas |
1.1 |
// $Id: PamVMCStack.cxx,v 1.0 2007/06/03 |
| 2 |
|
|
// |
| 3 |
|
|
// Class PamVMCStack |
| 4 |
|
|
|
| 5 |
|
|
#include <TParticle.h> |
| 6 |
|
|
#include <TClonesArray.h> |
| 7 |
|
|
#include <TError.h> |
| 8 |
|
|
#include <Riostream.h> |
| 9 |
|
|
|
| 10 |
|
|
#include "PamVMCStack.h" |
| 11 |
|
|
|
| 12 |
|
|
ClassImp(PamVMCStack) |
| 13 |
|
|
|
| 14 |
|
|
PamVMCStack::PamVMCStack(Int_t size) |
| 15 |
|
|
: fParticles(0), |
| 16 |
|
|
fCurrentTrack(-1), |
| 17 |
|
|
fNPrimary(0) |
| 18 |
|
|
{ |
| 19 |
|
|
fParticles = new TClonesArray("TParticle", size); |
| 20 |
|
|
} |
| 21 |
|
|
|
| 22 |
|
|
PamVMCStack::PamVMCStack() |
| 23 |
|
|
: fParticles(0), |
| 24 |
|
|
fCurrentTrack(-1), |
| 25 |
|
|
fNPrimary(0) |
| 26 |
|
|
{ |
| 27 |
|
|
|
| 28 |
|
|
|
| 29 |
|
|
} |
| 30 |
|
|
|
| 31 |
|
|
PamVMCStack::~PamVMCStack() |
| 32 |
|
|
{ |
| 33 |
|
|
|
| 34 |
|
|
if (fParticles) fParticles->Delete(); |
| 35 |
|
|
delete fParticles; |
| 36 |
|
|
} |
| 37 |
|
|
|
| 38 |
|
|
|
| 39 |
|
|
void PamVMCStack::PushTrack(Int_t toBeDone, Int_t parent, Int_t pdg, |
| 40 |
|
|
Double_t px, Double_t py, Double_t pz, Double_t e, |
| 41 |
|
|
Double_t vx, Double_t vy, Double_t vz, Double_t tof, |
| 42 |
|
|
Double_t polx, Double_t poly, Double_t polz, |
| 43 |
|
|
TMCProcess mech, Int_t& /*ntr*/, Double_t weight, |
| 44 |
|
|
Int_t is) |
| 45 |
|
|
{ |
| 46 |
|
|
// Creates a new particle with specified properties, |
| 47 |
|
|
// adds it to the particles array (fParticles) and if not done to the |
| 48 |
|
|
// stack (fStack). |
| 49 |
|
|
// Use TParticle::fMother[1] to store Track ID. |
| 50 |
|
|
|
| 51 |
|
|
const Int_t kFirstDaughter=-1; |
| 52 |
|
|
const Int_t kLastDaughter=-1; |
| 53 |
|
|
|
| 54 |
|
|
TClonesArray& particlesRef = *fParticles; |
| 55 |
|
|
Int_t trackId = GetNtrack(); |
| 56 |
|
|
TParticle* particle |
| 57 |
|
|
= new(particlesRef[trackId]) |
| 58 |
|
|
TParticle(pdg, is, parent, trackId, kFirstDaughter, kLastDaughter, |
| 59 |
|
|
px, py, pz, e, vx, vy, vz, tof); |
| 60 |
|
|
|
| 61 |
|
|
particle->SetPolarisation(polx, poly, polz); |
| 62 |
|
|
particle->SetWeight(weight); |
| 63 |
|
|
particle->SetUniqueID(mech); |
| 64 |
|
|
|
| 65 |
|
|
if (parent<0) fNPrimary++; |
| 66 |
|
|
|
| 67 |
|
|
if (toBeDone) fStack.push(particle); |
| 68 |
|
|
} |
| 69 |
|
|
|
| 70 |
|
|
TParticle* PamVMCStack::PopNextTrack(Int_t& itrack) |
| 71 |
|
|
{ |
| 72 |
|
|
// Gets next particle for tracking from the stack. |
| 73 |
|
|
|
| 74 |
|
|
itrack = -1; |
| 75 |
|
|
if (fStack.empty()) return 0; |
| 76 |
|
|
|
| 77 |
|
|
TParticle* particle = fStack.top(); |
| 78 |
|
|
fStack.pop(); |
| 79 |
|
|
|
| 80 |
|
|
if (!particle) return 0; |
| 81 |
|
|
|
| 82 |
|
|
fCurrentTrack = particle->GetSecondMother(); |
| 83 |
|
|
itrack = fCurrentTrack; |
| 84 |
|
|
|
| 85 |
|
|
return particle; |
| 86 |
|
|
} |
| 87 |
|
|
|
| 88 |
|
|
TParticle* PamVMCStack::PopPrimaryForTracking(Int_t i) |
| 89 |
|
|
{ |
| 90 |
|
|
// Returns i-th particle in fParticles. |
| 91 |
|
|
|
| 92 |
|
|
|
| 93 |
|
|
if (i < 0 || i >= fNPrimary) |
| 94 |
|
|
Fatal("GetPrimaryForTracking", "Index out of range"); |
| 95 |
|
|
|
| 96 |
|
|
return (TParticle*)fParticles->At(i); |
| 97 |
|
|
} |
| 98 |
|
|
|
| 99 |
|
|
void PamVMCStack::Print(Option_t* /*option*/) const |
| 100 |
|
|
{ |
| 101 |
|
|
// Prints info for all particles. |
| 102 |
|
|
|
| 103 |
|
|
cout << "PamVMCStack Info " << endl; |
| 104 |
|
|
cout << "Total number of particles: " << GetNtrack() << endl; |
| 105 |
|
|
cout << "Number of primary particles: " << GetNprimary() << endl; |
| 106 |
|
|
|
| 107 |
|
|
for (Int_t i=0; i<GetNtrack(); i++) |
| 108 |
|
|
GetParticle(i)->Print(); |
| 109 |
|
|
} |
| 110 |
|
|
|
| 111 |
|
|
void PamVMCStack::Reset() |
| 112 |
|
|
{ |
| 113 |
|
|
// Deletes contained particles, resets particles array and stack. |
| 114 |
|
|
|
| 115 |
|
|
fCurrentTrack = -1; |
| 116 |
|
|
fNPrimary = 0; |
| 117 |
|
|
fParticles->Clear(); |
| 118 |
|
|
} |
| 119 |
|
|
|
| 120 |
|
|
void PamVMCStack::SetCurrentTrack(Int_t track) |
| 121 |
|
|
{ |
| 122 |
|
|
// Sets the current track to a given value. |
| 123 |
|
|
|
| 124 |
|
|
fCurrentTrack = track; |
| 125 |
|
|
} |
| 126 |
|
|
|
| 127 |
|
|
Int_t PamVMCStack::GetNtrack() const |
| 128 |
|
|
{ |
| 129 |
|
|
// Returns the number of all tracks. |
| 130 |
|
|
|
| 131 |
|
|
return fParticles->GetEntriesFast(); |
| 132 |
|
|
} |
| 133 |
|
|
|
| 134 |
|
|
Int_t PamVMCStack::GetNprimary() const |
| 135 |
|
|
{ |
| 136 |
|
|
// Returns the number of primary tracks. |
| 137 |
|
|
|
| 138 |
|
|
return fNPrimary; |
| 139 |
|
|
} |
| 140 |
|
|
|
| 141 |
|
|
TParticle* PamVMCStack::GetCurrentTrack() const |
| 142 |
|
|
{ |
| 143 |
|
|
// Returns the current track parent ID. |
| 144 |
|
|
|
| 145 |
|
|
TParticle* current = GetParticle(fCurrentTrack); |
| 146 |
|
|
|
| 147 |
|
|
if (!current) |
| 148 |
|
|
Warning("GetCurrentTrack", "Current track not found in the stack"); |
| 149 |
|
|
|
| 150 |
|
|
return current; |
| 151 |
|
|
} |
| 152 |
|
|
|
| 153 |
|
|
Int_t PamVMCStack::GetCurrentTrackNumber() const |
| 154 |
|
|
{ |
| 155 |
|
|
// Returns the current track ID. |
| 156 |
|
|
|
| 157 |
|
|
return fCurrentTrack; |
| 158 |
|
|
} |
| 159 |
|
|
|
| 160 |
|
|
Int_t PamVMCStack::GetCurrentParentTrackNumber() const |
| 161 |
|
|
{ |
| 162 |
|
|
// Returns the current track parent ID. |
| 163 |
|
|
|
| 164 |
|
|
TParticle* current = GetCurrentTrack(); |
| 165 |
|
|
|
| 166 |
|
|
if (current) |
| 167 |
|
|
return current->GetFirstMother(); |
| 168 |
|
|
else |
| 169 |
|
|
return -1; |
| 170 |
|
|
} |
| 171 |
|
|
|
| 172 |
|
|
TParticle* PamVMCStack::GetParticle(Int_t id) const |
| 173 |
|
|
{ |
| 174 |
|
|
// Returns id-th particle in fParticles. |
| 175 |
|
|
|
| 176 |
|
|
if (id < 0 || id >= fParticles->GetEntriesFast()) |
| 177 |
|
|
Fatal("GetParticle", "Index out of range"); |
| 178 |
|
|
|
| 179 |
|
|
return (TParticle*)fParticles->At(id); |
| 180 |
|
|
} |
| 181 |
|
|
|
| 182 |
|
|
|
Parent Directory
| 
Revision Log