20 |
if (event->GetTrkLevel2()->GetNTracks() == 0) |
if (event->GetTrkLevel2()->GetNTracks() == 0) |
21 |
return; |
return; |
22 |
|
|
23 |
// Reload the TRK parameters only if they have been changed (ie., if another instance of |
// Reload the TRK alignment parameters only if they have been changed (ie., if another instance of |
24 |
// this class used a different set of parameters). |
// this class used a different set of parameters). |
25 |
if (_trkParamsFile != _currTrkParamsFile) { |
if (_trkParamsFile != _currTrkParamsFile) { |
26 |
TrkParams::Set(_trkParamsFile, 5); |
TrkParams::Set(_trkParamsFile, 5); |
48 |
_currEvent = event->GetReadEntry(); |
_currEvent = event->GetReadEntry(); |
49 |
// Save the original cluster status and measured positions |
// Save the original cluster status and measured positions |
50 |
for (int i = 0; i < 6; i++) { |
for (int i = 0; i < 6; i++) { |
51 |
_layerXBackup[i] = trkTrack->xgood[0]; |
_layerXBackup[i] = trkTrack->xgood[i]; |
52 |
_layerYBackup[i] = trkTrack->ygood[0]; |
_layerYBackup[i] = trkTrack->ygood[i]; |
53 |
_xmBackup[i] = trkTrack->xm[i]; |
_xmBackup[i] = trkTrack->xm[i]; |
54 |
_ymBackup[i] = trkTrack->ym[i]; |
_ymBackup[i] = trkTrack->ym[i]; |
55 |
} |
} |
60 |
for (int i = 0; i < 6; i++) { |
for (int i = 0; i < 6; i++) { |
61 |
trkTrack->xm[i] = _xmBackup[i]; |
trkTrack->xm[i] = _xmBackup[i]; |
62 |
trkTrack->ym[i] = _ymBackup[i]; |
trkTrack->ym[i] = _ymBackup[i]; |
63 |
_layerXBackup[i] = trkTrack->xgood[0]; |
trkTrack->xgood[i] = _layerXBackup[i]; |
64 |
_layerYBackup[i] = trkTrack->ygood[0]; |
trkTrack->ygood[i] = _layerYBackup[i]; |
65 |
} |
} |
66 |
|
|
67 |
} |
} |
68 |
|
|
69 |
// Apply the gaussian spread |
// Apply the gaussian spread |
70 |
|
|
71 |
for (Int_t ip = 0; ip < 6; ip++) { |
if (_spreadX != 0.) { |
72 |
// gaussian distributed random number Gauss(mean,sigma) (in cm) |
for (Int_t ip = 0; ip < 6; ip++) { |
73 |
trkTrack->xm[ip] += _r3->Gaus(0., _spreadX); |
// gaussian distributed random number Gauss(mean,sigma) (in cm) |
74 |
trkTrack->ym[ip] += _r3->Gaus(0., _spreadY); |
trkTrack->xm[ip] += _r3->Gaus(0., _spreadX); |
75 |
|
} |
76 |
|
} |
77 |
|
if (_spreadY != 0.) { |
78 |
|
for (Int_t ip = 0; ip < 6; ip++) { |
79 |
|
trkTrack->ym[ip] += _r3->Gaus(0., _spreadY); |
80 |
|
} |
81 |
} |
} |
82 |
|
|
83 |
// Mask the layers |
// Mask the layers |