1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 ////////////////////////////////////////////////////////////////////////////
20 // The TRD track seed //
23 // Alex Bercuci <A.Bercuci@gsi.de> //
24 // Markus Fasel <M.Fasel@gsi.de> //
26 ////////////////////////////////////////////////////////////////////////////
29 #include "TLinearFitter.h"
30 #include "TClonesArray.h" // tmp
31 #include <TTreeStream.h>
34 #include "AliMathBase.h"
36 #include "AliTRDseedV1.h"
37 #include "AliTRDcluster.h"
38 #include "AliTRDtrack.h"
39 #include "AliTRDcalibDB.h"
40 #include "AliTRDchamberTimeBin.h"
41 #include "AliTRDtrackingChamber.h"
42 #include "AliTRDtrackerV1.h"
43 #include "AliTRDReconstructor.h"
44 #include "AliTRDrecoParam.h"
45 #include "AliTRDgeometry.h"
46 #include "Cal/AliTRDCalPID.h"
48 ClassImp(AliTRDseedV1)
50 //____________________________________________________________________
51 AliTRDseedV1::AliTRDseedV1(Int_t plane)
63 for(int islice=0; islice < knSlices; islice++) fdEdx[islice] = 0.;
64 for(int ispec=0; ispec<AliPID::kSPECIES; ispec++) fProb[ispec] = -1.;
67 //____________________________________________________________________
68 AliTRDseedV1::AliTRDseedV1(const AliTRDseedV1 &ref)
69 :AliTRDseed((AliTRDseed&)ref)
78 // Copy Constructor performing a deep copy
82 if(ref.fOwner) SetOwner();
83 for(int islice=0; islice < knSlices; islice++) fdEdx[islice] = ref.fdEdx[islice];
84 for(int ispec=0; ispec<AliPID::kSPECIES; ispec++) fProb[ispec] = ref.fProb[ispec];
88 //____________________________________________________________________
89 AliTRDseedV1& AliTRDseedV1::operator=(const AliTRDseedV1 &ref)
92 // Assignment Operator using the copy function
103 //____________________________________________________________________
104 AliTRDseedV1::~AliTRDseedV1()
107 // Destructor. The RecoParam object belongs to the underlying tracker.
110 //AliInfo(Form("fOwner[%s]", fOwner?"YES":"NO"));
113 for(int itb=0; itb<knTimebins; itb++){
114 if(!fClusters[itb]) continue;
115 //AliInfo(Form("deleting c %p @ %d", fClusters[itb], itb));
116 delete fClusters[itb];
117 fClusters[itb] = 0x0;
121 //____________________________________________________________________
122 void AliTRDseedV1::Copy(TObject &ref) const
129 AliTRDseedV1 &target = (AliTRDseedV1 &)ref;
131 target.fPlane = fPlane;
137 for(int islice=0; islice < knSlices; islice++) target.fdEdx[islice] = fdEdx[islice];
138 for(int ispec=0; ispec<AliPID::kSPECIES; ispec++) target.fProb[ispec] = fProb[ispec];
140 AliTRDseed::Copy(target);
144 //____________________________________________________________
145 void AliTRDseedV1::Init(AliTRDtrack *track)
147 // Initialize this tracklet using the track information
150 // track - the TRD track used to initialize the tracklet
152 // Detailed description
153 // The function sets the starting point and direction of the
154 // tracklet according to the information from the TRD track.
157 // The TRD track has to be propagated to the beginning of the
158 // chamber where the tracklet will be constructed
162 track->GetProlongation(fX0, y, z);
164 fYref[1] = track->GetSnp()/(1. - track->GetSnp()*track->GetSnp());
166 fZref[1] = track->GetTgl();
168 //printf("Tracklet ref x[%7.3f] y[%7.3f] z[%7.3f], snp[%f] tgl[%f]\n", fX0, fYref[0], fZref[0], track->GetSnp(), track->GetTgl());
172 //____________________________________________________________________
173 void AliTRDseedV1::CookdEdx(Int_t nslices)
175 // Calculates average dE/dx for all slices and store them in the internal array fdEdx.
178 // nslices : number of slices for which dE/dx should be calculated
180 // store results in the internal array fdEdx. This can be accessed with the method
181 // AliTRDseedV1::GetdEdx()
183 // Detailed description
184 // Calculates average dE/dx for all slices. Depending on the PID methode
185 // the number of slices can be 3 (LQ) or 8(NN).
186 // The calculation of dQ/dl are done using the tracklet fit results (see AliTRDseedV1::GetdQdl(Int_t)) i.e.
188 // dQ/dl = qc/(dx * sqrt(1 + dy/dx^2 + dz/dx^2))
190 // The following effects are included in the calculation:
191 // 1. calibration values for t0 and vdrift (using x coordinate to calculate slice)
192 // 2. cluster sharing (optional see AliTRDrecoParam::SetClusterSharing())
196 Int_t nclusters[knSlices];
197 for(int i=0; i<knSlices; i++){
201 Float_t clength = (/*.5 * */AliTRDgeometry::AmThick() + AliTRDgeometry::DrThick());
203 AliTRDcluster *cluster = 0x0;
204 for(int ic=0; ic<AliTRDtrackerV1::GetNTimeBins(); ic++){
205 if(!(cluster = fClusters[ic])) continue;
206 Float_t x = cluster->GetX();
208 // Filter clusters for dE/dx calculation
210 // 1.consider calibration effects for slice determination
212 if(cluster->IsInChamber()) slice = Int_t(TMath::Abs(fX0 - x) * nslices / clength);
213 else slice = x < fX0 ? 0 : nslices-1;
215 // 2. take sharing into account
216 Float_t w = cluster->IsShared() ? .5 : 1.;
218 // 3. take into account large clusters TODO
219 //w *= c->GetNPads() > 3 ? .8 : 1.;
222 fdEdx[slice] += w * GetdQdl(ic); //fdQdl[ic];
224 } // End of loop over clusters
226 // calculate mean charge per slice
227 for(int is=0; is<nslices; is++) if(nclusters[is]) fdEdx[is] /= nclusters[is];
230 //____________________________________________________________________
231 Float_t AliTRDseedV1::GetdQdl(Int_t ic) const
233 return fClusters[ic] ? TMath::Abs(fClusters[ic]->GetQ()) /fdX / TMath::Sqrt(1. + fYfit[1]*fYfit[1] + fZfit[1]*fZfit[1]) : 0.;
236 //____________________________________________________________________
237 Double_t* AliTRDseedV1::GetProbability()
239 // Fill probability array for tracklet from the DB.
244 // returns pointer to the probability array and 0x0 if missing DB access
246 // Detailed description
249 // retrive calibration db
250 AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
252 AliError("No access to calibration data");
256 // Retrieve the CDB container class with the parametric detector response
257 const AliTRDCalPID *pd = calibration->GetPIDObject(AliTRDReconstructor::RecoParam()->GetPIDMethod());
259 AliError("No access to AliTRDCalPID object");
263 // calculate tracklet length TO DO
264 Float_t length = (AliTRDgeometry::AmThick() + AliTRDgeometry::DrThick());
265 /// TMath::Sqrt((1.0 - fSnp[iPlane]*fSnp[iPlane]) / (1.0 + fTgl[iPlane]*fTgl[iPlane]));
268 CookdEdx(AliTRDReconstructor::RecoParam()->GetNdEdxSlices());
270 // Sets the a priori probabilities
271 for(int ispec=0; ispec<AliPID::kSPECIES; ispec++) {
272 fProb[ispec] = pd->GetProbability(ispec, fMom, &fdEdx[0], length, fPlane);
278 //____________________________________________________________________
279 Float_t AliTRDseedV1::GetQuality(Bool_t kZcorr) const
282 // Returns a quality measurement of the current seed
285 Float_t zcorr = kZcorr ? fTilt * (fZProb - fZref[0]) : 0.;
287 .5 * TMath::Abs(18.0 - fN2)
288 + 10.* TMath::Abs(fYfit[1] - fYref[1])
289 + 5. * TMath::Abs(fYfit[0] - fYref[0] + zcorr)
290 + 2. * TMath::Abs(fMeanz - fZref[0]) / fPadLength;
293 //____________________________________________________________________
294 void AliTRDseedV1::GetCovAt(Double_t /*x*/, Double_t *cov) const
296 // Computes covariance in the y-z plane at radial point x
298 Int_t ic = 0; while (!fClusters[ic]) ic++;
299 AliTRDcalibDB *fCalib = AliTRDcalibDB::Instance();
300 Double_t exB = fCalib->GetOmegaTau(fCalib->GetVdriftAverage(fClusters[ic]->GetDetector()), -AliTracker::GetBz()*0.1);
302 Double_t sy2 = fSigmaY2*fSigmaY2 + .2*(fYfit[1]-exB)*(fYfit[1]-exB);
303 Double_t sz2 = fPadLength/12.;
306 //printf("Yfit[1] %f sy20 %f SigmaY2 %f\n", fYfit[1], sy20, fSigmaY2);
309 cov[1] = fTilt*(sy2-sz2);
314 //____________________________________________________________________
315 void AliTRDseedV1::SetOwner(Bool_t own)
317 //AliInfo(Form("own [%s] fOwner[%s]", own?"YES":"NO", fOwner?"YES":"NO"));
320 for(int ic=0; ic<knTimebins; ic++){
321 if(!fClusters[ic]) continue;
322 fClusters[ic] = new AliTRDcluster(*fClusters[ic]);
327 for(int ic=0; ic<knTimebins; ic++){
328 if(!fClusters[ic]) continue;
329 delete fClusters[ic];
330 //fClusters[ic] = tracker->GetClusters(index) TODO
337 //____________________________________________________________________
338 Bool_t AliTRDseedV1::AttachClustersIter(AliTRDtrackingChamber *chamber, Float_t quality, Bool_t kZcorr, AliTRDcluster *c)
341 // Iterative process to register clusters to the seed.
342 // In iteration 0 we try only one pad-row and if quality not
343 // sufficient we try 2 pad-rows (about 5% of tracks cross 2 pad-rows)
348 if(!AliTRDReconstructor::RecoParam()){
349 AliError("Seed can not be used without a valid RecoParam.");
353 AliTRDchamberTimeBin *layer = 0x0;
354 if(AliTRDReconstructor::StreamLevel()>=7 && c){
355 TClonesArray clusters("AliTRDcluster", 24);
356 clusters.SetOwner(kTRUE);
357 AliTRDcluster *cc = 0x0;
358 Int_t det=-1, ncl, ncls = 0;
359 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
360 if(!(layer = chamber->GetTB(iTime))) continue;
361 if(!(ncl = Int_t(*layer))) continue;
362 for(int ic=0; ic<ncl; ic++){
364 det = cc->GetDetector();
365 new(clusters[ncls++]) AliTRDcluster(*cc);
368 AliInfo(Form("N clusters[%d] = %d", fPlane, ncls));
370 Int_t ref = c ? 1 : 0;
371 TTreeSRedirector &cstreamer = *AliTRDtrackerV1::DebugStreamer();
372 cstreamer << "AttachClustersIter"
375 << "clusters.=" << &clusters
376 << "tracklet.=" << this
382 Double_t kroady = AliTRDReconstructor::RecoParam()->GetRoad1y();
383 Double_t kroadz = fPadLength * .5 + 1.;
385 // initialize configuration parameters
386 Float_t zcorr = kZcorr ? fTilt * (fZProb - fZref[0]) : 0.;
387 Int_t niter = kZcorr ? 1 : 2;
392 for (Int_t iter = 0; iter < niter; iter++) {
394 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
395 if(!(layer = chamber->GetTB(iTime))) continue;
396 if(!Int_t(*layer)) continue;
398 // define searching configuration
399 Double_t dxlayer = layer->GetX() - fX0;
402 //Try 2 pad-rows in second iteration
404 zexp = fZref[0] + fZref[1] * dxlayer - zcorr;
405 if (zexp > c->GetZ()) zexp = c->GetZ() + fPadLength*0.5;
406 if (zexp < c->GetZ()) zexp = c->GetZ() - fPadLength*0.5;
408 } else zexp = fZref[0] + (kZcorr ? fZref[1] * dxlayer : 0.);
409 yexp = fYref[0] + fYref[1] * dxlayer - zcorr;
411 // Get and register cluster
412 Int_t index = layer->SearchNearestCluster(yexp, zexp, kroady, kroadz);
413 if (index < 0) continue;
414 AliTRDcluster *cl = (*layer)[index];
416 fIndexes[iTime] = layer->GetGlobalIndex(index);
417 fClusters[iTime] = cl;
418 fY[iTime] = cl->GetY();
419 fZ[iTime] = cl->GetZ();
422 if(AliTRDReconstructor::StreamLevel()>=7) AliInfo(Form("iter = %d ncl [%d] = %d", iter, fPlane, ncl));
425 // calculate length of the time bin (calibration aware)
426 Int_t irp = 0; Float_t x[2]; Int_t tb[2];
427 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
428 if(!fClusters[iTime]) continue;
429 x[irp] = fClusters[iTime]->GetX();
434 fdX = (x[1] - x[0]) / (tb[0] - tb[1]);
436 // update X0 from the clusters (calibration/alignment aware)
437 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
438 if(!(layer = chamber->GetTB(iTime))) continue;
439 if(!layer->IsT0()) continue;
440 if(fClusters[iTime]){
441 fX0 = fClusters[iTime]->GetX();
443 } else { // we have to infere the position of the anode wire from the other clusters
444 for (Int_t jTime = iTime+1; jTime < AliTRDtrackerV1::GetNTimeBins(); jTime++) {
445 if(!fClusters[jTime]) continue;
446 fX0 = fClusters[jTime]->GetX() + fdX * (jTime - iTime);
452 // update YZ reference point
455 // update x reference positions (calibration/alignment aware)
456 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
457 if(!fClusters[iTime]) continue;
458 fX[iTime] = fClusters[iTime]->GetX() - fX0;
461 AliTRDseed::Update();
463 if(AliTRDReconstructor::StreamLevel()>=7) AliInfo(Form("iter = %d nclFit [%d] = %d", iter, fPlane, fN2));
466 tquality = GetQuality(kZcorr);
467 if(tquality < quality) break;
468 else quality = tquality;
472 if (!IsOK()) return kFALSE;
479 //____________________________________________________________________
480 Bool_t AliTRDseedV1::AttachClusters(AliTRDtrackingChamber *chamber
484 // Projective algorithm to attach clusters to seeding tracklets
490 // Detailed description
491 // 1. Collapse x coordinate for the full detector plane
492 // 2. truncated mean on y (r-phi) direction
494 // 4. truncated mean on z direction
499 if(!AliTRDReconstructor::RecoParam()){
500 AliError("Seed can not be used without a valid RecoParam.");
504 const Int_t kClusterCandidates = 2 * knTimebins;
507 Double_t kroady = AliTRDReconstructor::RecoParam()->GetRoad1y();
508 Double_t kroadz = fPadLength * 1.5 + 1.;
509 // correction to y for the tilting angle
510 Float_t zcorr = kZcorr ? fTilt * (fZProb - fZref[0]) : 0.;
513 AliTRDcluster *clusters[kClusterCandidates];
514 Double_t cond[4], yexp[knTimebins], zexp[knTimebins],
515 yres[kClusterCandidates], zres[kClusterCandidates];
516 Int_t ncl, *index = 0x0, tboundary[knTimebins];
518 // Do cluster projection
519 AliTRDchamberTimeBin *layer = 0x0;
520 Int_t nYclusters = 0; Bool_t kEXIT = kFALSE;
521 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
522 if(!(layer = chamber->GetTB(iTime))) continue;
523 if(!Int_t(*layer)) continue;
525 fX[iTime] = layer->GetX() - fX0;
526 zexp[iTime] = fZref[0] + fZref[1] * fX[iTime];
527 yexp[iTime] = fYref[0] + fYref[1] * fX[iTime] - zcorr;
529 // build condition and process clusters
530 cond[0] = yexp[iTime] - kroady; cond[1] = yexp[iTime] + kroady;
531 cond[2] = zexp[iTime] - kroadz; cond[3] = zexp[iTime] + kroadz;
532 layer->GetClusters(cond, index, ncl);
533 for(Int_t ic = 0; ic<ncl; ic++){
534 AliTRDcluster *c = layer->GetCluster(index[ic]);
535 clusters[nYclusters] = c;
536 yres[nYclusters++] = c->GetY() - yexp[iTime];
537 if(nYclusters >= kClusterCandidates) {
538 AliWarning(Form("Cluster candidates reached limit %d. Some may be lost.", kClusterCandidates));
543 tboundary[iTime] = nYclusters;
547 // Evaluate truncated mean on the y direction
548 Double_t mean, sigma;
549 AliMathBase::EvaluateUni(nYclusters, yres, mean, sigma, Int_t(nYclusters*.8)-2);
550 // purge cluster candidates
551 Int_t nZclusters = 0;
552 for(Int_t ic = 0; ic<nYclusters; ic++){
553 if(yres[ic] - mean > 4. * sigma){
557 zres[nZclusters++] = clusters[ic]->GetZ() - zexp[clusters[ic]->GetLocalTimeBin()];
560 // Evaluate truncated mean on the z direction
561 AliMathBase::EvaluateUni(nZclusters, zres, mean, sigma, Int_t(nZclusters*.8)-2);
562 // purge cluster candidates
563 for(Int_t ic = 0; ic<nZclusters; ic++){
564 if(zres[ic] - mean > 4. * sigma){
571 // Select only one cluster/TimeBin
572 Int_t lastCluster = 0;
574 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
575 ncl = tboundary[iTime] - lastCluster;
577 Int_t iptr = lastCluster;
579 Float_t dold = 9999.;
580 for(int ic=lastCluster; ic<tboundary[iTime]; ic++){
581 if(!clusters[ic]) continue;
582 Float_t y = yexp[iTime] - clusters[ic]->GetY();
583 Float_t z = zexp[iTime] - clusters[ic]->GetZ();
584 Float_t d = y * y + z * z;
585 if(d > dold) continue;
590 fIndexes[iTime] = chamber->GetTB(iTime)->GetGlobalIndex(iptr);
591 fClusters[iTime] = clusters[iptr];
592 fY[iTime] = clusters[iptr]->GetY();
593 fZ[iTime] = clusters[iptr]->GetZ();
594 lastCluster = tboundary[iTime];
598 // number of minimum numbers of clusters expected for the tracklet
599 Int_t kClmin = Int_t(AliTRDReconstructor::RecoParam()->GetFindableClusters()*AliTRDtrackerV1::GetNTimeBins());
601 AliWarning(Form("Not enough clusters to fit the tracklet %d [%d].", fN2, kClmin));
606 // update used clusters
608 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
609 if(!fClusters[iTime]) continue;
610 if((fClusters[iTime]->IsUsed())) fNUsed++;
613 if (fN2-fNUsed < kClmin){
614 AliWarning(Form("Too many clusters already in use %d (from %d).", fNUsed, fN2));
622 //____________________________________________________________________
623 Bool_t AliTRDseedV1::Fit()
626 // Linear fit of the tracklet
631 // True if successful
633 // Detailed description
634 // 2. Check if tracklet crosses pad row boundary
635 // 1. Calculate residuals in the y (r-phi) direction
636 // 3. Do a Least Square Fit to the data
639 //Float_t sigmaexp = 0.05 + TMath::Abs(fYref[1] * 0.25); // Expected r.m.s in y direction
640 Float_t ycrosscor = fPadLength * fTilt * 0.5; // Y correction for crossing
641 Float_t anglecor = fTilt * fZref[1]; // Correction to the angle
643 // calculate residuals
644 Float_t yres[knTimebins]; // y (r-phi) residuals
645 Int_t zint[knTimebins], // Histograming of the z coordinate
646 zout[2*knTimebins];//
649 for (Int_t iTime = 0; iTime < AliTRDtrackerV1::GetNTimeBins(); iTime++) {
650 if (!fClusters[iTime]) continue;
651 if (!fClusters[iTime]->IsInChamber()) continue;
652 yres[iTime] = fY[iTime] - fYref[0] - (fYref[1] + anglecor) * fX[iTime] + fTilt * (fZ[iTime] - fZref[0]);
653 zint[fN] = Int_t(fZ[iTime]);
657 // calculate pad row boundary crosses
658 Int_t kClmin = Int_t(AliTRDReconstructor::RecoParam()->GetFindableClusters()*AliTRDtrackerV1::GetNTimeBins());
659 Int_t nz = AliMathBase::Freq(fN, zint, zout, kFALSE);
661 if(nz <= 1) zout[3] = 0;
662 if(zout[1] + zout[3] < kClmin) {
663 AliWarning(Form("Not enough clusters to fit the cross boundary tracklet %d [%d].", zout[1]+zout[3], kClmin));
666 // Z distance bigger than pad - length
667 if (TMath::Abs(zout[0]-zout[2]) > fPadLength) zout[3]=0;
680 // we will use only the clusters which are in the detector range
681 for(int iTime=0; iTime<AliTRDtrackerV1::GetNTimeBins(); iTime++){
682 fUsable[iTime] = kFALSE;
683 if (!fClusters[iTime]) continue;
684 npads = fClusters[iTime]->GetNPads();
686 fUsable[iTime] = kTRUE;
689 Float_t weight = 1.0;
690 if(npads > 5) weight = 0.2;
691 else if(npads > 4) weight = 0.5;
693 sumwx += fX[iTime] * weight;
694 sumwx2 += fX[iTime] * fX[iTime] * weight;
695 sumwy += weight * yres[iTime];
696 sumwxy += weight * yres[iTime] * fX[iTime];
697 sumwz += weight * fZ[iTime];
698 sumwxz += weight * fZ[iTime] * fX[iTime];
701 AliWarning(Form("Not enough clusters to fit the tracklet %d [%d].", fN2, kClmin));
705 fMeanz = sumwz / sumw;
708 // Tracklet on boundary
709 Float_t correction = 0;
711 if (fMeanz < fZProb) correction = ycrosscor;
712 if (fMeanz > fZProb) correction = -ycrosscor;
715 Double_t det = sumw * sumwx2 - sumwx * sumwx;
716 fYfitR[0] = (sumwx2 * sumwy - sumwx * sumwxy) / det;
717 fYfitR[1] = (sumw * sumwxy - sumwx * sumwy) / det;
720 for (Int_t i = 0; i < AliTRDtrackerV1::GetNTimeBins()+1; i++) {
721 if (!fUsable[i]) continue;
722 Float_t delta = yres[i] - fYfitR[0] - fYfitR[1] * fX[i];
723 fSigmaY2 += delta*delta;
725 fSigmaY2 = TMath::Sqrt(fSigmaY2 / Float_t(fN2-2));
727 fZfitR[0] = (sumwx2 * sumwz - sumwx * sumwxz) / det;
728 fZfitR[1] = (sumw * sumwxz - sumwx * sumwz) / det;
729 fZfit[0] = (sumwx2 * sumwz - sumwx * sumwxz) / det;
730 fZfit[1] = (sumw * sumwxz - sumwx * sumwz) / det;
731 fYfitR[0] += fYref[0] + correction;
732 fYfitR[1] += fYref[1];
733 fYfit[0] = fYfitR[0];
734 fYfit[1] = fYfitR[1];
740 //___________________________________________________________________
741 void AliTRDseedV1::Print()
744 // Printing the seedstatus
747 printf("Seed status :\n");
748 printf(" fTilt = %f\n", fTilt);
749 printf(" fPadLength = %f\n", fPadLength);
750 printf(" fX0 = %f\n", fX0);
751 for(int ic=0; ic<AliTRDtrackerV1::GetNTimeBins(); ic++) {
752 const Char_t *isUsable = fUsable[ic]?"Yes":"No";
753 printf(" %d X[%f] Y[%f] Z[%f] Indexes[%d] clusters[%p] usable[%s]\n"
759 , ((void*) fClusters[ic])
763 printf(" fYref[0] =%f fYref[1] =%f\n", fYref[0], fYref[1]);
764 printf(" fZref[0] =%f fZref[1] =%f\n", fZref[0], fZref[1]);
765 printf(" fYfit[0] =%f fYfit[1] =%f\n", fYfit[0], fYfit[1]);
766 printf(" fYfitR[0]=%f fYfitR[1]=%f\n", fYfitR[0], fYfitR[1]);
767 printf(" fZfit[0] =%f fZfit[1] =%f\n", fZfit[0], fZfit[1]);
768 printf(" fZfitR[0]=%f fZfitR[1]=%f\n", fZfitR[0], fZfitR[1]);
769 printf(" fSigmaY =%f\n", fSigmaY);
770 printf(" fSigmaY2=%f\n", fSigmaY2);
771 printf(" fMeanz =%f\n", fMeanz);
772 printf(" fZProb =%f\n", fZProb);
773 printf(" fLabels[0]=%d fLabels[1]=%d\n", fLabels[0], fLabels[1]);
774 printf(" fN =%d\n", fN);
775 printf(" fN2 =%d (>8 isOK)\n",fN2);
776 printf(" fNUsed =%d\n", fNUsed);
777 printf(" fFreq =%d\n", fFreq);
778 printf(" fNChange=%d\n", fNChange);
779 printf(" fMPads =%f\n", fMPads);
781 printf(" fC =%f\n", fC);
782 printf(" fCC =%f\n",fCC);
783 printf(" fChi2 =%f\n", fChi2);
784 printf(" fChi2Z =%f\n", fChi2Z);