#include <TMath.h>
#include "AliLog.h"
#include "AliTRDcluster.h"
#include "AliTRDgeometry.h"
#include "AliTRDCommonParam.h"
#include "AliTRDtrackletWord.h"
ClassImp(AliTRDcluster)
const Int_t AliTRDcluster::fgkNlut = 128;
Double_t *AliTRDcluster::fgLUT = 0x0;
AliTRDcluster::AliTRDcluster()
:AliCluster()
,fPadCol(0)
,fPadRow(0)
,fPadTime(0)
,fLocalTimeBin(0)
,fNPads(0)
,fClusterMasking(0)
,fDetector(0)
,fQ(0)
,fCenter(0)
{
for (Int_t i = 0; i < 7; i++) {
fSignals[i] = 0;
}
SetBit(kLUT);
}
AliTRDcluster::AliTRDcluster(Int_t det, UChar_t col, UChar_t row, UChar_t time
, const Short_t *sig, UShort_t vid)
:AliCluster()
,fPadCol(col)
,fPadRow(row)
,fPadTime(time)
,fLocalTimeBin(0)
,fNPads(0)
,fClusterMasking(0)
,fDetector(det)
,fQ(0.)
,fCenter(0.)
{
memcpy(&fSignals, sig, 7*sizeof(Short_t));
fQ = fSignals[2]+fSignals[3]+fSignals[4];
SetVolumeId(vid);
SetBit(kLUT);
}
AliTRDcluster::AliTRDcluster(Int_t det, Float_t q
, const Float_t *pos, const Float_t *sig
, const Int_t *tracks, Char_t npads, Short_t * const signals
, UChar_t col, UChar_t row, UChar_t time
, Char_t timebin, Float_t center, UShort_t volid)
:AliCluster(volid,pos[0],pos[1],pos[2],sig[0],sig[1],0.0,0x0)
,fPadCol(col)
,fPadRow(row)
,fPadTime(time)
,fLocalTimeBin(timebin)
,fNPads(npads)
,fClusterMasking(0)
,fDetector(det)
,fQ(q)
,fCenter(center)
{
for (Int_t i = 0; i < 7; i++) {
fSignals[i] = signals[i];
}
if (tracks) {
AddTrackIndex(tracks);
}
SetBit(kLUT);
}
AliTRDcluster::AliTRDcluster(const AliTRDtrackletWord *const tracklet, Int_t det, UShort_t volid)
:AliCluster(volid,tracklet->GetX(),tracklet->GetY(),tracklet->GetZ(),0,0,0)
,fPadCol(0)
,fPadRow(0)
,fPadTime(0)
,fLocalTimeBin(0)
,fNPads(0)
,fClusterMasking(0)
,fDetector(det)
,fQ(0.)
,fCenter(0.)
{
for (Int_t i = 0; i < 7; i++) {
fSignals[i] = 0;
}
}
AliTRDcluster::AliTRDcluster(const AliTRDcluster &c)
:AliCluster(c)
,fPadCol(c.fPadCol)
,fPadRow(c.fPadRow)
,fPadTime(c.fPadTime)
,fLocalTimeBin(c.fLocalTimeBin)
,fNPads(c.fNPads)
,fClusterMasking(c.fClusterMasking)
,fDetector(c.fDetector)
,fQ(c.fQ)
,fCenter(c.fCenter)
{
SetLabel(c.GetLabel(0),0);
SetLabel(c.GetLabel(1),1);
SetLabel(c.GetLabel(2),2);
SetY(c.GetY());
SetZ(c.GetZ());
AliCluster::SetSigmaY2(c.GetSigmaY2());
SetSigmaZ2(c.GetSigmaZ2());
for (Int_t i = 0; i < 7; i++) {
fSignals[i] = c.fSignals[i];
}
}
AliTRDcluster &AliTRDcluster::operator=(const AliTRDcluster &c)
{
if (&c == this) {
return *this;
}
AliCluster::operator=(c);
fPadCol = c.fPadCol;
fPadRow = c.fPadRow;
fPadTime = c.fPadTime;
fLocalTimeBin = c.fLocalTimeBin;
fNPads = c.fNPads;
fClusterMasking = c.fClusterMasking;
fDetector = c.fDetector;
fQ = c.fQ;
fCenter = c.fCenter;
SetLabel(c.GetLabel(0),0);
SetLabel(c.GetLabel(1),1);
SetLabel(c.GetLabel(2),2);
SetY(c.GetY());
SetZ(c.GetZ());
SetSigmaZ2(c.GetSigmaZ2());
for (Int_t i = 0; i < 7; i++) {
fSignals[i] = c.fSignals[i];
}
return *this;
}
void AliTRDcluster::AddTrackIndex(const Int_t * const track)
{
const Int_t kSize = 9;
Int_t entries[kSize][2];
Int_t i = 0;
Int_t j = 0;
Int_t k = 0;
Int_t index;
Bool_t indexAdded;
for (i = 0; i < kSize; i++) {
entries[i][0] = -1;
entries[i][1] = 0;
}
for (k = 0; k < kSize; k++) {
index = track[k];
indexAdded = kFALSE;
j = 0;
if (index >= 0) {
while ((!indexAdded) && (j < kSize)) {
if ((entries[j][0] == index) ||
(entries[j][1] == 0)) {
entries[j][0] = index;
entries[j][1] = entries[j][1] + 1;
indexAdded = kTRUE;
}
j++;
}
}
}
Int_t swap = 1;
Int_t tmp0;
Int_t tmp1;
while (swap > 0) {
swap = 0;
for (i = 0; i < (kSize - 1); i++) {
if ((entries[i][0] >= 0) &&
(entries[i+1][0] >= 0)) {
if ((entries[i][1] < entries[i+1][1]) ||
((entries[i][1] == entries[i+1][1]) &&
(entries[i][0] > entries[i+1][0]))) {
tmp0 = entries[i][0];
tmp1 = entries[i][1];
entries[i][0] = entries[i+1][0];
entries[i][1] = entries[i+1][1];
entries[i+1][0] = tmp0;
entries[i+1][1] = tmp1;
swap++;
}
}
}
}
for (i = 0; i < 3; i++) {
SetLabel(entries[i][0],i);
}
return;
}
void AliTRDcluster::Clear(Option_t *)
{
fPadCol=0;
fPadRow=0;
fPadTime=0;
fLocalTimeBin=0;
fNPads=0;
fClusterMasking=0;
fDetector=0;
for (Int_t i=0; i < 7; i++) fSignals[i]=0;
fQ = 0;
fCenter = 0;
for (Int_t i = 0; i < 3; i++) SetLabel(0,i);
SetX(0.);
SetY(0.);
SetZ(0.);
AliCluster::SetSigmaY2(0.);
SetSigmaZ2(0.);
SetVolumeId(0);
}
Float_t AliTRDcluster::GetSumS() const
{
Float_t sum = 0.0;
for (Int_t i = 0; i < 7; i++) {
sum += fSignals[i];
}
return sum;
}
Double_t AliTRDcluster::GetSX(Int_t tb, Double_t z)
{
//<img src="TRD/clusterXerrorDiff2D.gif">
//End_Html
if(tb<1 || tb>=24) return 10.;
static const Double_t sx[24][10]={
{0.000e+00, 9.352e-01, 0.000e+00, 0.000e+00, 0.000e+00, 0.000e+00, 0.000e+00, 0.000e+00, 0.000e+00, 2.309e+00},
{8.387e-02, 8.718e-02, 8.816e-02, 9.444e-02, 9.993e-02, 1.083e-01, 1.161e-01, 1.280e-01, 1.417e-01, 1.406e-01},
{1.097e-01, 1.105e-01, 1.127e-01, 1.151e-01, 1.186e-01, 1.223e-01, 1.272e-01, 1.323e-01, 1.389e-01, 1.490e-01},
{1.407e-01, 1.404e-01, 1.414e-01, 1.430e-01, 1.429e-01, 1.449e-01, 1.476e-01, 1.494e-01, 1.515e-01, 1.589e-01},
{1.681e-01, 1.679e-01, 1.666e-01, 1.657e-01, 1.656e-01, 1.649e-01, 1.652e-01, 1.662e-01, 1.671e-01, 1.694e-01},
{1.745e-01, 1.737e-01, 1.707e-01, 1.690e-01, 1.643e-01, 1.610e-01, 1.612e-01, 1.628e-01, 1.638e-01, 1.659e-01},
{1.583e-01, 1.558e-01, 1.535e-01, 1.488e-01, 1.445e-01, 1.419e-01, 1.428e-01, 1.451e-01, 1.462e-01, 1.494e-01},
{1.414e-01, 1.391e-01, 1.368e-01, 1.300e-01, 1.256e-01, 1.259e-01, 1.285e-01, 1.326e-01, 1.358e-01, 1.406e-01},
{1.307e-01, 1.289e-01, 1.261e-01, 1.216e-01, 1.193e-01, 1.165e-01, 1.201e-01, 1.241e-01, 1.274e-01, 1.344e-01},
{1.251e-01, 1.227e-01, 1.208e-01, 1.155e-01, 1.110e-01, 1.116e-01, 1.133e-01, 1.187e-01, 1.229e-01, 1.308e-01},
{1.234e-01, 1.209e-01, 1.175e-01, 1.127e-01, 1.094e-01, 1.093e-01, 1.109e-01, 1.155e-01, 1.210e-01, 1.275e-01},
{1.215e-01, 1.187e-01, 1.156e-01, 1.108e-01, 1.070e-01, 1.065e-01, 1.090e-01, 1.134e-01, 1.196e-01, 1.251e-01},
{1.202e-01, 1.180e-01, 1.151e-01, 1.108e-01, 1.070e-01, 1.058e-01, 1.089e-01, 1.127e-01, 1.183e-01, 1.256e-01},
{1.207e-01, 1.176e-01, 1.142e-01, 1.109e-01, 1.072e-01, 1.069e-01, 1.088e-01, 1.122e-01, 1.182e-01, 1.252e-01},
{1.213e-01, 1.182e-01, 1.156e-01, 1.102e-01, 1.076e-01, 1.063e-01, 1.091e-01, 1.132e-01, 1.181e-01, 1.243e-01},
{1.205e-01, 1.180e-01, 1.150e-01, 1.104e-01, 1.072e-01, 1.063e-01, 1.083e-01, 1.132e-01, 1.183e-01, 1.243e-01},
{1.212e-01, 1.195e-01, 1.135e-01, 1.107e-01, 1.070e-01, 1.065e-01, 1.097e-01, 1.126e-01, 1.185e-01, 1.238e-01},
{1.201e-01, 1.184e-01, 1.155e-01, 1.111e-01, 1.088e-01, 1.075e-01, 1.089e-01, 1.131e-01, 1.189e-01, 1.237e-01},
{1.197e-01, 1.186e-01, 1.147e-01, 1.113e-01, 1.085e-01, 1.077e-01, 1.105e-01, 1.137e-01, 1.188e-01, 1.245e-01},
{1.213e-01, 1.194e-01, 1.154e-01, 1.114e-01, 1.091e-01, 1.082e-01, 1.098e-01, 1.140e-01, 1.194e-01, 1.247e-01},
{1.210e-01, 1.189e-01, 1.155e-01, 1.119e-01, 1.088e-01, 1.080e-01, 1.105e-01, 1.141e-01, 1.195e-01, 1.244e-01},
{1.196e-01, 1.189e-01, 1.145e-01, 1.105e-01, 1.095e-01, 1.083e-01, 1.087e-01, 1.121e-01, 1.173e-01, 1.208e-01},
{1.123e-01, 1.129e-01, 1.108e-01, 1.110e-01, 1.080e-01, 1.065e-01, 1.056e-01, 1.066e-01, 1.071e-01, 1.095e-01},
{1.136e-01, 1.135e-01, 1.130e-01, 1.122e-01, 1.113e-01, 1.071e-01, 1.041e-01, 1.025e-01, 1.014e-01, 9.973e-02}
};
if(z>=0. && z<.25) return sx[tb][Int_t(z/.025)];
Double_t m = 0.; for(Int_t id=10; id--;) m+=sx[tb][id];
return m*.1;
}
Double_t AliTRDcluster::GetSYdrift(Int_t tb, Int_t ly, Double_t)
{
// #sigma^{2}_{y} = #sigma^{2}_{PRF} + #frac{x#delta_{t}^{2}}{(1+tg(#alpha_{L}))^{2}}
// END_LATEX
//<img src="TRD/clusterYerrorDiff2D.gif">
//<img src="TRD/clusterYerrorDiff1D.gif">
//End_Html
if(tb<1 || tb>=24) return 10.;
static const Float_t lSy[6][24] = {
{75.7561, 0.0325, 0.0175, 0.0174, 0.0206, 0.0232,
0.0253, 0.0262, 0.0265, 0.0264, 0.0266, 0.0257,
0.0258, 0.0261, 0.0259, 0.0253, 0.0257, 0.0261,
0.0255, 0.0250, 0.0259, 0.0266, 0.0278, 0.0319
},
{49.2252, 0.0371, 0.0204, 0.0189, 0.0230, 0.0261,
0.0281, 0.0290, 0.0292, 0.0286, 0.0277, 0.0279,
0.0285, 0.0281, 0.0291, 0.0281, 0.0281, 0.0282,
0.0272, 0.0282, 0.0282, 0.0284, 0.0310, 0.0334
},
{55.1674, 0.0388, 0.0212, 0.0200, 0.0239, 0.0271,
0.0288, 0.0299, 0.0306, 0.0300, 0.0296, 0.0303,
0.0293, 0.0290, 0.0291, 0.0294, 0.0295, 0.0290,
0.0293, 0.0292, 0.0292, 0.0293, 0.0316, 0.0358
},
{45.1004, 0.0411, 0.0225, 0.0215, 0.0249, 0.0281,
0.0301, 0.0315, 0.0320, 0.0308, 0.0318, 0.0321,
0.0312, 0.0311, 0.0316, 0.0315, 0.0310, 0.0308,
0.0313, 0.0303, 0.0314, 0.0314, 0.0324, 0.0369
},
{43.8614, 0.0420, 0.0239, 0.0224, 0.0268, 0.0296,
0.0322, 0.0336, 0.0333, 0.0326, 0.0321, 0.0325,
0.0329, 0.0326, 0.0323, 0.0322, 0.0326, 0.0320,
0.0329, 0.0319, 0.0314, 0.0329, 0.0341, 0.0373
},
{40.5440, 0.0434, 0.0246, 0.0236, 0.0275, 0.0311,
0.0332, 0.0345, 0.0347, 0.0347, 0.0340, 0.0336,
0.0339, 0.0344, 0.0339, 0.0341, 0.0341, 0.0342,
0.0345, 0.0328, 0.0341, 0.0332, 0.0356, 0.0398
},
};
return TMath::Max(lSy[ly][tb]-0.0150, 0.0010);
}
Double_t AliTRDcluster::GetSYcharge(Float_t q)
{
// #Delta #sigma_{y}(q) = a*(#frac{1}{q} - #frac{1}{q_{0}})
// q_{0} #approx 50
// END_LATEX
//<img src="TRD/clusterQerror.gif">
//End_Html
const Float_t sq0inv = 0.019962;
const Float_t sqb = 0.037328;
return sqb*(1./q - sq0inv);
}
Double_t AliTRDcluster::GetSYprf(Int_t ly, Double_t center, Double_t s2)
{
//<img src="TRD/clusterPRFerror.gif">
//End_Html
const Float_t lPRF[] = {0.438, 0.403, 0.393, 0.382, 0.376, 0.345};
return s2*TMath::Gaus(center, 0., lPRF[ly]);
}
Double_t AliTRDcluster::GetXcorr(Int_t tb, Double_t z)
{
//<img src="TRD/clusterXcorr.gif">
//End_Html
if(tb<0 || tb>=24) return 0.;
const Int_t nd = 5;
static const Double_t dx[24][nd]={
{+1.747e-01,+3.195e-01,+1.641e-01,+1.607e-01,+6.002e-01},
{+5.468e-02,+5.760e-02,+6.365e-02,+8.003e-02,+1.067e-01},
{-6.327e-02,-6.339e-02,-6.423e-02,-6.900e-02,-7.949e-02},
{-1.417e-01,-1.424e-01,-1.450e-01,-1.465e-01,-1.514e-01},
{-1.637e-01,-1.619e-01,-1.622e-01,-1.613e-01,-1.648e-01},
{-1.386e-01,-1.334e-01,-1.261e-01,-1.276e-01,-1.314e-01},
{-8.799e-02,-8.299e-02,-7.861e-02,-8.038e-02,-8.436e-02},
{-5.139e-02,-4.849e-02,-4.641e-02,-4.965e-02,-5.286e-02},
{-2.927e-02,-2.773e-02,-2.807e-02,-3.021e-02,-3.378e-02},
{-1.380e-02,-1.229e-02,-1.335e-02,-1.547e-02,-1.984e-02},
{-4.168e-03,-4.601e-03,-5.462e-03,-8.164e-03,-1.035e-02},
{+2.044e-03,+1.889e-03,+9.603e-04,-1.342e-03,-3.736e-03},
{+3.568e-03,+3.581e-03,+2.391e-03,+2.942e-05,-1.585e-03},
{+4.403e-03,+4.571e-03,+3.509e-03,+8.703e-04,-1.425e-03},
{+4.941e-03,+4.808e-03,+3.284e-03,+1.105e-03,-1.208e-03},
{+5.124e-03,+5.022e-03,+4.305e-03,+2.023e-03,-1.145e-03},
{+4.882e-03,+4.008e-03,+3.408e-03,+7.886e-04,-1.356e-03},
{+3.852e-03,+3.539e-03,+2.057e-03,+1.670e-04,-1.993e-03},
{+2.154e-03,+2.111e-03,+5.723e-04,-1.254e-03,-3.256e-03},
{+1.755e-03,+2.101e-03,+9.516e-04,-1.649e-03,-3.394e-03},
{+1.617e-03,+1.662e-03,+4.169e-04,-9.843e-04,-4.309e-03},
{-9.204e-03,-9.069e-03,-1.182e-02,-1.458e-02,-1.880e-02},
{-6.727e-02,-6.820e-02,-6.804e-02,-7.134e-02,-7.615e-02},
{-1.802e-01,-1.733e-01,-1.633e-01,-1.601e-01,-1.632e-01}
};
if(z>=0. && z<.25) return dx[tb][Int_t(z/.025)];
Double_t m = 0.; for(Int_t id=nd; id--;) m+=dx[tb][id];
return m/nd;
}
Double_t AliTRDcluster::GetYcorr(Int_t ly, Float_t y)
{
//<img src="TRD/clusterYcorr.gif">
//End_Html
static const Float_t cy[AliTRDgeometry::kNlayer][3] = {
{ 4.014e-04, 8.605e-03, -6.880e+00},
{-3.061e-04, 9.663e-03, -6.789e+00},
{ 1.124e-03, 1.105e-02, -6.825e+00},
{-1.527e-03, 1.231e-02, -6.777e+00},
{ 2.150e-03, 1.387e-02, -6.783e+00},
{-1.296e-03, 1.486e-02, -6.825e+00}
};
return cy[ly][0] + cy[ly][1] * TMath::Sin(cy[ly][2] * y);
}
Float_t AliTRDcluster::GetXloc(Double_t t0, Double_t vd
, const Double_t *const
, const Double_t *const
, Double_t )
{
// t_{drift} = t_{bin} - t_{0} - t_{cause}(x) - t_{TC}(q_{i-1}, q_{i-2}, ...)
// END_LATEX
// x = t_{drift}(x)*v_{drift}(x)
// END_LATEX
AliTRDCommonParam *cp = AliTRDCommonParam::Instance();
Double_t fFreq = cp->GetSamplingFrequency();
Double_t td = (fPadTime + .5)/fFreq;
td -= t0;
Double_t tmp = td*fFreq;
fLocalTimeBin = Char_t(TMath::Floor(tmp));
if(tmp-fLocalTimeBin > .5) fLocalTimeBin++;
if(td < .2) return 0.;
td -= 0.189;
Float_t x = td*vd + (HasXcorr() ? GetXcorr(fLocalTimeBin) : 0.);
if(x>0.&&x<.5*AliTRDgeometry::CamHght()+AliTRDgeometry::CdrHght()) SetInChamber();
return x;
}
Float_t AliTRDcluster::GetYloc(Double_t y0, Double_t s2, Double_t W
, Double_t *const y1, Double_t *const y2)
{
if(IsRPhiMethod(kCOG)) GetDYcog();
else if(IsRPhiMethod(kLUT)) GetDYlut();
else if(IsRPhiMethod(kGAUS)) GetDYgauss(s2/W/W, y1, y2);
else return 0.;
if(y1) (*y1)*=W;
if(y2) (*y2)*=W;
return y0+fCenter*W+(IsRPhiMethod(kLUT)?GetYcorr(AliTRDgeometry::GetLayer(fDetector), fCenter):0.);
}
void AliTRDcluster::SetSigmaY2(Float_t s2, Float_t dt, Float_t exb, Float_t x, Float_t z, Float_t tgp)
{
// #sigma_{y}^{2} = (#sigma_{diff}*Gauss(0, s_{ly}) + #delta_{#sigma}(q))^{2} + tg^{2}(#alpha_{L})*#sigma_{x}^{2} + tg^{2}(#phi-#alpha_{L})*#sigma_{x}^{2}+[tg(#phi-#alpha_{L})*tg(#alpha_{L})*x]^{2}/12
// END_LATEX
// #sigma^{2}_{y} = #sigma^{2}_{PRF} + #frac{x#delta_{t}^{2}}{(1+tg(#alpha_{L}))^{2}}
// END_LATEX
Float_t sigmaY2 = 0.;
Int_t ly = AliTRDgeometry::GetLayer(fDetector);
if(IsRPhiMethod(kCOG)) sigmaY2 = 4.e-4;
else if(IsRPhiMethod(kLUT)){
Float_t sd = GetSYdrift(fLocalTimeBin, ly, z);
sigmaY2 = GetSYprf(ly, fCenter, sd);
sigmaY2+= GetSYcharge(TMath::Abs(fQ));
sigmaY2 = TMath::Max(sigmaY2, Float_t(0.0010));
sigmaY2*= sigmaY2;
} else if(IsRPhiMethod(kGAUS)){
sigmaY2 = s2;
Double_t sD2 = dt/(1.+exb); sD2 *= sD2; sD2 *= x;
sigmaY2+= sD2;
}
if(TMath::Abs(tgp)>0.466) tgp = (tgp>0.)?0.466:-0.466;
Double_t tgg = (tgp-exb)/(1.+tgp*exb); tgg *= tgg;
Double_t exb2= exb*exb;
Float_t sx = GetSX(fLocalTimeBin, z); sx*=sx;
sigmaY2+= exb2*sx;
sigmaY2+= tgg*sx;
sigmaY2+= tgg*x*x*exb2/12.;
AliCluster::SetSigmaY2(sigmaY2);
}
Bool_t AliTRDcluster::IsEqual(const TObject *o) const
{
const AliTRDcluster *inCluster = dynamic_cast<const AliTRDcluster*>(o);
if (!o || !inCluster) return kFALSE;
if ( AliCluster::GetX() != inCluster->GetX() ) return kFALSE;
if ( AliCluster::GetY() != inCluster->GetY() ) return kFALSE;
if ( AliCluster::GetZ() != inCluster->GetZ() ) return kFALSE;
if ( fQ != inCluster->fQ ) return kFALSE;
if ( fDetector != inCluster->fDetector ) return kFALSE;
if ( fPadCol != inCluster->fPadCol ) return kFALSE;
if ( fPadRow != inCluster->fPadRow ) return kFALSE;
if ( fPadTime != inCluster->fPadTime ) return kFALSE;
if ( fClusterMasking != inCluster->fClusterMasking ) return kFALSE;
if ( IsInChamber() != inCluster->IsInChamber() ) return kFALSE;
if ( IsShared() != inCluster->IsShared() ) return kFALSE;
if ( IsUsed() != inCluster->IsUsed() ) return kFALSE;
return kTRUE;
}
void AliTRDcluster::Print(Option_t *o) const
{
if(strcmp(o, "a")==0) {
Char_t mcInfo[100]; if(IsMCcluster()) snprintf(mcInfo, 100, "\n MC[%5d %5d %5d]", GetLabel(0), GetLabel(1), GetLabel(2));
AliInfo(Form(
"\nDet[%3d] LTrC[%+6.2f %+6.2f %+6.2f] Q[%6.2f] Qr[%4d] FLAG[in(%c) use(%c) sh(%c)] Y[%s]"
"\n LChC[c(%3d) r(%2d) t(%2d)] t-t0[%2d] Npad[%d] cen[%5.3f] mask[%d]"
"\n QS[%s][%3d %3d %3d %3d %3d %3d %3d]"
"\n S2Y[%e] S2Z[%e]"
"%s"
, fDetector, GetX(), GetY(), GetZ(), fQ, GetRawQ(),
IsInChamber() ? 'y' : 'n',
IsUsed() ? 'y' : 'n',
IsShared() ? 'y' : 'n',
IsRPhiMethod(kGAUS)?"GAUS":(IsRPhiMethod(kLUT)?"LUT":"COG")
, fPadCol, fPadRow, fPadTime, fLocalTimeBin, fNPads, fCenter, fClusterMasking
, TestBit(kRawSignals)?"raw":"cal", fSignals[0], fSignals[1], fSignals[2], fSignals[3]
, fSignals[4], fSignals[5], fSignals[6]
, GetSigmaY2(), GetSigmaZ2()
, IsMCcluster()?mcInfo:""
));
} else {
AliInfo(Form("Det[%3d] LTrC[%+6.2f %+6.2f %+6.2f] Q[%6.2f] FLAG[in(%c) use(%c) sh(%c)] Y[%s]",
fDetector, GetX(), GetY(), GetZ(), fQ,
IsInChamber() ? 'y' : 'n',
IsUsed() ? 'y' : 'n',
IsShared() ? 'y' : 'n',
IsRPhiMethod(kGAUS)?"GAUS":(IsRPhiMethod(kLUT)?"LUT":"COG")
));
}
}
void AliTRDcluster::SetPadMaskedPosition(UChar_t position)
{
for (Int_t ipos = 0; ipos < 3; ipos++) {
if (TESTBIT(position, ipos))
SETBIT(fClusterMasking, ipos);
}
}
void AliTRDcluster::SetPadMaskedStatus(UChar_t status)
{
for (Int_t ipos = 0; ipos < 5; ipos++) {
if(TESTBIT(status, ipos))
SETBIT(fClusterMasking, ipos + 3);
}
}
Float_t AliTRDcluster::GetDYcog(const Double_t *const, const Double_t *const)
{
Double_t sum = fSignals[1]
+fSignals[2]
+fSignals[3]
+fSignals[4]
+fSignals[5];
fCenter = (0.0 * (-fSignals[1] + fSignals[5])
+ (-fSignals[2] + fSignals[4])) / sum;
return fCenter;
}
Float_t AliTRDcluster::GetDYlut(const Double_t *const, const Double_t *const)
{
if(!fgLUT) FillLUT();
Double_t ampL = fSignals[2],
ampC = fSignals[3],
ampR = fSignals[4];
Int_t ilayer = AliTRDgeometry::GetLayer(fDetector);
Double_t x = 0.0;
Double_t xmin, xmax, xwid;
Int_t side = 0;
Int_t ix;
Double_t xMin[AliTRDgeometry::kNlayer] = {
0.006492, 0.006377, 0.006258, 0.006144, 0.006030, 0.005980
};
Double_t xMax[AliTRDgeometry::kNlayer] = {
0.960351, 0.965870, 0.970445, 0.974352, 0.977667, 0.996101
};
if (ampL > ampR) {
x = (ampL - ampR) / ampC;
side = -1;
}
else if (ampL < ampR) {
x = (ampR - ampL) / ampC;
side = +1;
}
if (ampL != ampR) {
xmin = xMin[ilayer] + 0.000005;
xmax = xMax[ilayer] - 0.000005;
xwid = (xmax - xmin) / 127.0;
if (x < xmin) fCenter = 0.0000;
else if (x > xmax) fCenter = side * 0.5000;
else {
ix = (Int_t) ((x - xmin) / xwid);
fCenter = side * fgLUT[ilayer*fgkNlut+ix];
}
} else fCenter = 0.0;
return fCenter;
}
Float_t AliTRDcluster::GetDYgauss(Double_t s2w, Double_t *const y1, Double_t *const y2)
{
// y = #frac{1}{w_{1}+w_{2}}#[]{w_{1}#(){y_{0}-#frac{W}{2}+#frac{s^{2}}{W}ln#frac{q_{i}}{q_{i-1}}}+w_{2}#(){y_{0}+ #frac{W}{2}+#frac{s^{2}}{W}ln#frac{q_{i+1}}{q_{i}}}}
// END_LATEX
// s^{2} = s^{2}_{0} + s^{2}_{diff} (x,B) + #frac{tg^{2}(#phi-#alpha_{L})*l^{2}}{12}
// END_LATEX
// s_{diff} (x,B) = #frac{D_{L}#sqrt{x}}{1+#(){#omega#tau}^{2}}
// END_LATEX
Double_t w1 = fSignals[2]*fSignals[2];
Double_t w2 = fSignals[4]*fSignals[4];
Double_t w = w1+w2;
if(w<1.){
AliError("Missing side signals for cluster.");
Print("a");
return 0.;
}
Float_t y1r = fSignals[2]>0 ? (-0.5 + s2w*TMath::Log(fSignals[3]/(Float_t)fSignals[2])) : 0.;
Float_t y2r = fSignals[4]>0 ? (0.5 + s2w*TMath::Log(fSignals[4]/(Float_t)fSignals[3])) : 0.;
if(y1) (*y1) = y1r;
if(y2) (*y2) = y2r;
return fCenter = (w1*y1r+w2*y2r)/w;
}
void AliTRDcluster::FillLUT()
{
Float_t lut[AliTRDgeometry::kNlayer][fgkNlut] = {
{
0.0070, 0.0150, 0.0224, 0.0298, 0.0374, 0.0454, 0.0533, 0.0611,
0.0684, 0.0755, 0.0827, 0.0900, 0.0975, 0.1049, 0.1120, 0.1187,
0.1253, 0.1318, 0.1385, 0.1453, 0.1519, 0.1584, 0.1646, 0.1704,
0.1762, 0.1821, 0.1879, 0.1938, 0.1996, 0.2053, 0.2108, 0.2160,
0.2210, 0.2260, 0.2310, 0.2361, 0.2411, 0.2461, 0.2509, 0.2557,
0.2602, 0.2646, 0.2689, 0.2732, 0.2774, 0.2816, 0.2859, 0.2901,
0.2942, 0.2983, 0.3022, 0.3061, 0.3099, 0.3136, 0.3172, 0.3207,
0.3242, 0.3278, 0.3312, 0.3347, 0.3382, 0.3416, 0.3450, 0.3483,
0.3515, 0.3547, 0.3579, 0.3609, 0.3639, 0.3669, 0.3698, 0.3727,
0.3756, 0.3785, 0.3813, 0.3842, 0.3870, 0.3898, 0.3926, 0.3952,
0.3979, 0.4005, 0.4032, 0.4057, 0.4082, 0.4108, 0.4132, 0.4157,
0.4181, 0.4205, 0.4228, 0.4252, 0.4275, 0.4299, 0.4322, 0.4345,
0.4367, 0.4390, 0.4412, 0.4434, 0.4456, 0.4478, 0.4499, 0.4520,
0.4541, 0.4562, 0.4583, 0.4603, 0.4623, 0.4643, 0.4663, 0.4683,
0.4702, 0.4722, 0.4741, 0.4758, 0.4774, 0.4790, 0.4805, 0.4824,
0.4844, 0.4863, 0.4883, 0.4902, 0.4921, 0.4940, 0.4959, 0.4978
},
{
0.0072, 0.0156, 0.0235, 0.0313, 0.0394, 0.0478, 0.0561, 0.0642,
0.0718, 0.0792, 0.0868, 0.0947, 0.1025, 0.1101, 0.1172, 0.1241,
0.1309, 0.1378, 0.1449, 0.1518, 0.1586, 0.1650, 0.1710, 0.1770,
0.1830, 0.1891, 0.1952, 0.2011, 0.2070, 0.2125, 0.2177, 0.2229,
0.2280, 0.2332, 0.2383, 0.2435, 0.2484, 0.2533, 0.2581, 0.2627,
0.2670, 0.2714, 0.2757, 0.2799, 0.2842, 0.2884, 0.2927, 0.2968,
0.3008, 0.3048, 0.3086, 0.3123, 0.3159, 0.3195, 0.3231, 0.3266,
0.3301, 0.3335, 0.3370, 0.3404, 0.3438, 0.3471, 0.3504, 0.3536,
0.3567, 0.3598, 0.3628, 0.3657, 0.3686, 0.3715, 0.3744, 0.3772,
0.3800, 0.3828, 0.3856, 0.3884, 0.3911, 0.3938, 0.3965, 0.3991,
0.4016, 0.4042, 0.4067, 0.4092, 0.4116, 0.4140, 0.4164, 0.4187,
0.4211, 0.4234, 0.4257, 0.4280, 0.4302, 0.4325, 0.4347, 0.4369,
0.4391, 0.4413, 0.4434, 0.4456, 0.4477, 0.4497, 0.4518, 0.4538,
0.4558, 0.4578, 0.4598, 0.4618, 0.4637, 0.4656, 0.4675, 0.4694,
0.4713, 0.4732, 0.4750, 0.4766, 0.4781, 0.4797, 0.4813, 0.4832,
0.4851, 0.4870, 0.4888, 0.4906, 0.4925, 0.4942, 0.4960, 0.4978
},
{
0.0075, 0.0163, 0.0246, 0.0328, 0.0415, 0.0504, 0.0592, 0.0674,
0.0753, 0.0832, 0.0914, 0.0996, 0.1077, 0.1154, 0.1225, 0.1296,
0.1369, 0.1442, 0.1515, 0.1585, 0.1652, 0.1714, 0.1776, 0.1839,
0.1902, 0.1965, 0.2025, 0.2085, 0.2141, 0.2194, 0.2247, 0.2299,
0.2352, 0.2405, 0.2457, 0.2507, 0.2557, 0.2604, 0.2649, 0.2693,
0.2737, 0.2780, 0.2823, 0.2867, 0.2909, 0.2951, 0.2992, 0.3033,
0.3072, 0.3110, 0.3146, 0.3182, 0.3218, 0.3253, 0.3288, 0.3323,
0.3357, 0.3392, 0.3426, 0.3459, 0.3492, 0.3524, 0.3555, 0.3586,
0.3616, 0.3645, 0.3674, 0.3703, 0.3731, 0.3759, 0.3787, 0.3815,
0.3843, 0.3870, 0.3897, 0.3925, 0.3950, 0.3976, 0.4002, 0.4027,
0.4052, 0.4076, 0.4101, 0.4124, 0.4148, 0.4171, 0.4194, 0.4217,
0.4239, 0.4262, 0.4284, 0.4306, 0.4328, 0.4350, 0.4371, 0.4393,
0.4414, 0.4435, 0.4455, 0.4476, 0.4496, 0.4516, 0.4536, 0.4555,
0.4575, 0.4594, 0.4613, 0.4632, 0.4650, 0.4669, 0.4687, 0.4705,
0.4723, 0.4741, 0.4758, 0.4773, 0.4789, 0.4804, 0.4821, 0.4839,
0.4857, 0.4875, 0.4893, 0.4910, 0.4928, 0.4945, 0.4961, 0.4978
},
{
0.0078, 0.0171, 0.0258, 0.0345, 0.0438, 0.0532, 0.0624, 0.0708,
0.0791, 0.0875, 0.0962, 0.1048, 0.1130, 0.1206, 0.1281, 0.1356,
0.1432, 0.1508, 0.1582, 0.1651, 0.1716, 0.1780, 0.1845, 0.1910,
0.1975, 0.2038, 0.2099, 0.2155, 0.2210, 0.2263, 0.2317, 0.2371,
0.2425, 0.2477, 0.2528, 0.2578, 0.2626, 0.2671, 0.2715, 0.2759,
0.2803, 0.2846, 0.2890, 0.2933, 0.2975, 0.3016, 0.3056, 0.3095,
0.3132, 0.3168, 0.3204, 0.3239, 0.3274, 0.3309, 0.3344, 0.3378,
0.3412, 0.3446, 0.3479, 0.3511, 0.3543, 0.3574, 0.3603, 0.3633,
0.3662, 0.3690, 0.3718, 0.3747, 0.3774, 0.3802, 0.3829, 0.3857,
0.3883, 0.3910, 0.3936, 0.3962, 0.3987, 0.4012, 0.4037, 0.4061,
0.4085, 0.4109, 0.4132, 0.4155, 0.4177, 0.4200, 0.4222, 0.4244,
0.4266, 0.4288, 0.4309, 0.4331, 0.4352, 0.4373, 0.4394, 0.4414,
0.4435, 0.4455, 0.4475, 0.4494, 0.4514, 0.4533, 0.4552, 0.4571,
0.4590, 0.4608, 0.4626, 0.4645, 0.4662, 0.4680, 0.4698, 0.4715,
0.4733, 0.4750, 0.4766, 0.4781, 0.4796, 0.4812, 0.4829, 0.4846,
0.4863, 0.4880, 0.4897, 0.4914, 0.4930, 0.4946, 0.4963, 0.4979
},
{
0.0081, 0.0178, 0.0270, 0.0364, 0.0463, 0.0562, 0.0656, 0.0744,
0.0831, 0.0921, 0.1013, 0.1102, 0.1183, 0.1261, 0.1339, 0.1419,
0.1499, 0.1576, 0.1648, 0.1715, 0.1782, 0.1849, 0.1917, 0.1984,
0.2048, 0.2110, 0.2167, 0.2223, 0.2278, 0.2333, 0.2389, 0.2444,
0.2497, 0.2548, 0.2598, 0.2645, 0.2691, 0.2735, 0.2780, 0.2824,
0.2868, 0.2912, 0.2955, 0.2997, 0.3038, 0.3078, 0.3116, 0.3152,
0.3188, 0.3224, 0.3259, 0.3294, 0.3329, 0.3364, 0.3398, 0.3432,
0.3465, 0.3497, 0.3529, 0.3561, 0.3591, 0.3620, 0.3649, 0.3677,
0.3705, 0.3733, 0.3761, 0.3788, 0.3816, 0.3843, 0.3869, 0.3896,
0.3922, 0.3948, 0.3973, 0.3998, 0.4022, 0.4047, 0.4070, 0.4094,
0.4117, 0.4139, 0.4162, 0.4184, 0.4206, 0.4227, 0.4249, 0.4270,
0.4291, 0.4313, 0.4334, 0.4354, 0.4375, 0.4395, 0.4415, 0.4435,
0.4455, 0.4474, 0.4493, 0.4512, 0.4531, 0.4550, 0.4568, 0.4586,
0.4604, 0.4622, 0.4639, 0.4657, 0.4674, 0.4691, 0.4708, 0.4725,
0.4742, 0.4758, 0.4773, 0.4788, 0.4803, 0.4819, 0.4836, 0.4852,
0.4869, 0.4885, 0.4901, 0.4917, 0.4933, 0.4948, 0.4964, 0.4979
},
{
0.0085, 0.0189, 0.0288, 0.0389, 0.0497, 0.0603, 0.0699, 0.0792,
0.0887, 0.0985, 0.1082, 0.1170, 0.1253, 0.1336, 0.1421, 0.1505,
0.1587, 0.1662, 0.1733, 0.1803, 0.1874, 0.1945, 0.2014, 0.2081,
0.2143, 0.2201, 0.2259, 0.2316, 0.2374, 0.2431, 0.2487, 0.2541,
0.2593, 0.2642, 0.2689, 0.2735, 0.2781, 0.2826, 0.2872, 0.2917,
0.2961, 0.3003, 0.3045, 0.3086, 0.3125, 0.3162, 0.3198, 0.3235,
0.3270, 0.3306, 0.3342, 0.3377, 0.3411, 0.3446, 0.3479, 0.3511,
0.3543, 0.3575, 0.3605, 0.3634, 0.3663, 0.3691, 0.3720, 0.3748,
0.3775, 0.3803, 0.3830, 0.3857, 0.3884, 0.3911, 0.3937, 0.3962,
0.3987, 0.4012, 0.4036, 0.4060, 0.4084, 0.4107, 0.4129, 0.4152,
0.4174, 0.4196, 0.4218, 0.4239, 0.4261, 0.4282, 0.4303, 0.4324,
0.4344, 0.4365, 0.4385, 0.4405, 0.4425, 0.4445, 0.4464, 0.4483,
0.4502, 0.4521, 0.4539, 0.4558, 0.4576, 0.4593, 0.4611, 0.4629,
0.4646, 0.4663, 0.4680, 0.4697, 0.4714, 0.4730, 0.4747, 0.4759,
0.4769, 0.4780, 0.4790, 0.4800, 0.4811, 0.4827, 0.4843, 0.4859,
0.4874, 0.4889, 0.4905, 0.4920, 0.4935, 0.4950, 0.4965, 0.4979
}
};
if(!fgLUT) fgLUT = new Double_t[AliTRDgeometry::kNlayer*fgkNlut];
for (Int_t ilayer = 0; ilayer < AliTRDgeometry::kNlayer; ilayer++) {
for (Int_t ilut = 0; ilut < fgkNlut; ilut++ ) {
fgLUT[ilayer*fgkNlut+ilut] = lut[ilayer][ilut];
}
}
}