2 // **************************************************************************
3 // This file is property of and copyright by the ALICE HLT Project *
4 // ALICE Experiment at CERN, All rights reserved. *
6 // Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> *
7 // Ivan Kisel <kisel@kip.uni-heidelberg.de> *
8 // for The ALICE HLT Project. *
10 // Permission to use, copy, modify and distribute this software and its *
11 // documentation strictly for non-commercial purposes is hereby granted *
12 // without fee, provided that the above copyright notice appears in all *
13 // copies and that both the copyright notice and this permission notice *
14 // appear in the supporting documentation. The authors make no claims *
15 // about the suitability of this software for any purpose. It is *
16 // provided "as is" without express or implied warranty. *
18 //***************************************************************************
20 #include "AliTPCtrackerCA.h"
23 #include "Riostream.h"
24 //#include "AliCluster.h"
25 #include "AliTPCClustersRow.h"
26 #include "AliTPCParam.h"
27 #include "AliTPCClusterParam.h"
30 #include "AliRunLoader.h"
33 #include "AliHLTTPCCAPerformance.h"
34 #include "AliHLTTPCCAParam.h"
35 #include "AliHLTTPCCATracker.h"
36 #include "AliHLTTPCCAStandaloneFramework.h"
37 #include "AliHLTTPCGMMergedTrack.h"
40 #include "AliTPCLoader.h"
42 #include "AliTPCclusterMI.h"
43 #include "AliTPCTransform.h"
44 #include "AliTPCcalibDB.h"
45 #include "AliTPCtrack.h"
46 #include "AliTPCseed.h"
47 #include "AliESDtrack.h"
48 #include "AliESDEvent.h"
49 #include "AliTrackReference.h"
50 #include "TStopwatch.h"
51 #include "AliTPCReconstructor.h"
54 //#include <fstream.h>
56 ClassImp( AliTPCtrackerCA )
58 AliTPCtrackerCA::AliTPCtrackerCA()
59 : AliTracker(), fkParam( 0 ), fClusters( 0 ), fClusterSliceRow( 0 ), fNClusters( 0 ), fDoHLTPerformance( 0 ), fDoHLTPerformanceClusters( 0 ), fStatCPUTime( 0 ), fStatRealTime( 0 ), fStatNEvents( 0 )
61 //* default constructor
64 AliTPCtrackerCA::~AliTPCtrackerCA()
68 delete[] fClusterSliceRow;
71 //#include "AliHLTTPCCADisplay.h"
73 AliTPCtrackerCA::AliTPCtrackerCA( const AliTPCParam *par ):
74 AliTracker(), fkParam( par ), fClusters( 0 ), fClusterSliceRow( 0 ), fNClusters( 0 ), fDoHLTPerformance( 0 ), fDoHLTPerformanceClusters( 0 ), fStatCPUTime( 0 ), fStatRealTime( 0 ), fStatNEvents( 0 )
78 fDoHLTPerformance = 0;
79 fDoHLTPerformanceClusters = 0;
81 AliHLTTPCCAStandaloneFramework &hlt = AliHLTTPCCAStandaloneFramework::Instance();
84 for ( int iSlice = 0; iSlice < hlt.NSlices(); iSlice++ ) {
86 float bz = AliTracker::GetBz();
88 float inRmin = fkParam->GetInnerRadiusLow();
89 //float inRmax = fkParam->GetInnerRadiusUp();
90 //float outRmin = fkParam->GetOuterRadiusLow();
91 float outRmax = fkParam->GetOuterRadiusUp();
92 float plusZmin = 0.0529937;
93 float plusZmax = 249.778;
94 float minusZmin = -249.645;
95 float minusZmax = -0.0799937;
96 float dalpha = 0.349066;
97 float alpha = 0.174533 + dalpha * iSlice;
99 bool zPlus = ( iSlice < 18 );
100 float zMin = zPlus ? plusZmin : minusZmin;
101 float zMax = zPlus ? plusZmax : minusZmax;
102 //TPCZmin = -249.645, ZMax = 249.778
103 //float rMin = inRmin;
104 //float rMax = outRmax;
106 float padPitch = 0.4;
107 float sigmaZ = 0.228808;
109 int nRows = fkParam->GetNRowLow() + fkParam->GetNRowUp();
110 int dimRowX=fkParam->GetNRowLow()+fkParam->GetNRowUp();
111 std::auto_ptr<float> rowX(new float[dimRowX]);
112 for ( int irow = 0; irow < fkParam->GetNRowLow(); irow++ ) {
113 (rowX.get())[irow] = fkParam->GetPadRowRadiiLow( irow );
115 for ( int irow = 0; irow < fkParam->GetNRowUp(); irow++ ) {
116 (rowX.get())[fkParam->GetNRowLow()+irow] = fkParam->GetPadRowRadiiUp( irow );
118 AliHLTTPCCAParam param;
119 param.Initialize( iSlice, nRows, rowX.get(), alpha, dalpha,
120 inRmin, outRmax, zMin, zMax, padPitch, sigmaZ, bz );
121 param.SetHitPickUpFactor( 1. );
122 param.SetMaxTrackMatchDRow( 5 );
123 param.SetTrackConnectionFactor( 3.5 );
124 param.SetMinNTrackClusters( 30 );
125 param.SetMinTrackPt(0.2);
126 AliTPCClusterParam * clparam = AliTPCcalibDB::Instance()->GetClusterParam();
127 for ( int iRow = 0; iRow < nRows; iRow++ ) {
128 int type = ( iRow < 63 ) ? 0 : ( ( iRow > 126 ) ? 1 : 2 );
129 for ( int iyz = 0; iyz < 2; iyz++ ) {
130 for ( int k = 0; k < 7; k++ ) {
131 //std::cout<<param.fParamS0Par[iyz][type][k]<<" "<<clparam->fParamS0Par[iyz][type][k] - param.fParamS0Par[iyz][type][k]<<std::endl;
132 #ifndef HAVE_NOT_ALITPCCLUSTERPARAM_r40128
133 param.SetParamS0Par( iyz, type, k, clparam->ParamS0Par(iyz, type, k));
135 param.SetParamS0Par( iyz, type, k, clparam->fParamS0Par[iyz][type][k] );
136 #endif //HAVE_NOT_ALITPCCLUSTERPARAM_r40128
140 //hlt.SliceTracker( iSlice ).Initialize( param );
141 hlt.InitializeSliceParam(iSlice, param);
147 int AliTPCtrackerCA::LoadClusters ( TTree * fromTree )
149 // load clusters to the local arrays
152 delete[] fClusterSliceRow;
154 AliHLTTPCCAStandaloneFramework &hlt = AliHLTTPCCAStandaloneFramework::Instance();
156 if ( fDoHLTPerformance ) {
157 AliHLTTPCCAPerformance::Instance().StartEvent();
158 if ( fDoHLTPerformanceClusters ) AliHLTTPCCAPerformance::Instance().SetDoClusterPulls( 1 );
161 if ( !fkParam ) return 1;
164 while ( fDoHLTPerformance ) {
165 if ( !gAlice ) break;
166 #ifndef HAVE_NOT_ALIRUNLOADER30859
167 AliRunLoader *rl = AliRunLoader::Instance();//gAlice->GetRunLoader();
169 // the old way before rev 30859
170 AliRunLoader *rl = AliRunLoader::GetRunLoader();
173 rl->LoadKinematics();
174 AliStack *stack = rl->Stack();
176 int nMCtracks = stack->GetNtrack();
177 if( nMCtracks<0 || nMCtracks>10000000 ) nMCtracks = 0;
179 AliHLTTPCCAPerformance::Instance().SetNMCTracks( nMCtracks );
181 for ( int itr = 0; itr < nMCtracks; itr++ ) {
182 TParticle *part = stack->Particle( itr );
183 AliHLTTPCCAPerformance::Instance().ReadMCTrack( itr, part );
186 { // check for MC tracks at the TPC entrance
189 TTree *mcTree = rl->TreeTR();
190 if ( !mcTree ) break;
191 TBranch *branch = mcTree->GetBranch( "TrackReferences" );
192 if ( !branch ) break;
193 TClonesArray tpcdummy( "AliTrackReference", 1000 ), *tpcRefs = &tpcdummy;
194 branch->SetAddress( &tpcRefs );
196 bool *isTPC = new bool [nMCtracks];
197 for ( int i = 0; i < nMCtracks; i++ ) isTPC[i] = 0;
199 int nr = ( int )mcTree->GetEntries();
200 for ( int r = 0; r < nr; r++ ) {
201 mcTree->GetEvent( r );
202 int nref = tpcRefs->GetEntriesFast();
203 if ( !nref ) continue;
204 AliTrackReference *tpcRef = 0x0;
205 for ( int iref = 0; iref < nref; ++iref ) {
206 tpcRef = ( AliTrackReference* )tpcRefs->UncheckedAt( iref );
207 if ( tpcRef->DetectorId() == AliTrackReference::kTPC ) break;
210 if ( !tpcRef ) continue;
212 if ( isTPC[tpcRef->Label()] ) continue;
214 AliHLTTPCCAPerformance::Instance().ReadMCTPCTrack( tpcRef->Label(),
215 tpcRef->X(), tpcRef->Y(), tpcRef->Z(),
216 tpcRef->Px(), tpcRef->Py(), tpcRef->Pz() );
217 isTPC[tpcRef->Label()] = 1;
223 while ( fDoHLTPerformanceClusters ) {
224 AliTPCLoader *tpcl = ( AliTPCLoader* ) rl->GetDetectorLoader( "TPC" );
226 if ( tpcl->TreeH() == 0x0 ) {
227 if ( tpcl->LoadHits() ) break;
229 if ( tpcl->TreeH() == 0x0 ) break;
231 AliTPC *tpc = ( AliTPC* ) gAlice->GetDetector( "TPC" );
232 int nEnt = ( int )tpcl->TreeH()->GetEntries();
234 for ( int iEnt = 0; iEnt < nEnt; iEnt++ ) {
236 tpcl->TreeH()->GetEvent( iEnt );
237 AliTPChit *phit = ( AliTPChit* )tpc->FirstHit( -1 );
238 for ( ; phit; phit = ( AliTPChit* )tpc->NextHit() ) nPoints++;
240 AliHLTTPCCAPerformance::Instance().SetNMCPoints( nPoints );
242 for ( int iEnt = 0; iEnt < nEnt; iEnt++ ) {
244 tpcl->TreeH()->GetEvent( iEnt );
245 AliTPChit *phit = ( AliTPChit* )tpc->FirstHit( -1 );
246 for ( ; phit; phit = ( AliTPChit* )tpc->NextHit() ) {
247 AliHLTTPCCAPerformance::Instance().ReadMCPoint( phit->GetTrack(), phit->X(), phit->Y(), phit->Z(), phit->Time(), phit->fSector % 36 );
255 TBranch * br = fromTree->GetBranch( "Segment" );
258 AliTPCClustersRow *clrow = new AliTPCClustersRow;
259 clrow->SetClass( "AliTPCclusterMI" );
260 clrow->SetArray( 0 );
261 clrow->GetArray()->ExpandCreateFast( 10000 );
263 br->SetAddress( &clrow );
266 int nEnt = int( fromTree->GetEntries() );
269 for ( int i = 0; i < nEnt; i++ ) {
272 fkParam->AdjustSectorRow( clrow->GetID(), sec, row );
273 fNClusters += clrow->GetArray()->GetEntriesFast();
276 fClusters = new AliTPCclusterMI [fNClusters];
277 fClusterSliceRow = new unsigned int [fNClusters];
279 hlt.StartDataReading( fNClusters );
281 if ( fDoHLTPerformance ) AliHLTTPCCAPerformance::Instance().SetNHits( fNClusters );
284 for ( int i = 0; i < nEnt; i++ ) {
287 fkParam->AdjustSectorRow( clrow->GetID(), sec, row );
288 int nClu = clrow->GetArray()->GetEntriesFast();
289 float x = fkParam->GetPadRowRadii( sec, row );
293 row = row + fkParam->GetNRowLow();
296 unsigned int sliceRow = ( sec << 8 ) + row;
298 for ( int icl = 0; icl < nClu; icl++ ) {
302 AliTPCclusterMI* cluster = ( AliTPCclusterMI* )( clrow->GetArray()->At( icl ) );
303 if ( !cluster ) continue;
304 lab0 = cluster->GetLabel( 0 );
305 lab1 = cluster->GetLabel( 1 );
306 lab2 = cluster->GetLabel( 2 );
308 AliTPCTransform *transform = AliTPCcalibDB::Instance()->GetTransform() ;
310 AliFatal( "Tranformations not in calibDB" );
314 transform->SetCurrentRecoParam((AliTPCRecoParam*)AliTPCReconstructor::GetRecoParam());
315 double xx[3] = {cluster->GetRow(), cluster->GetPad(), cluster->GetTimeBin()};
316 int id[1] = {cluster->GetDetector()};
317 transform->Transform( xx, id, 0, 1 );
319 cluster->SetX( xx[0] );
320 cluster->SetY( xx[1] );
321 cluster->SetZ( xx[2] );
323 TGeoHMatrix *mat = fkParam->GetClusterMatrix( cluster->GetDetector() );
324 double pos[3] = {cluster->GetX(), cluster->GetY(), cluster->GetZ()};
325 double posC[3] = {cluster->GetX(), cluster->GetY(), cluster->GetZ()};
326 if ( mat ) mat->LocalToMaster( pos, posC );
328 // chack Loading of Geo matrices from GeoManager - TEMPORARY FIX
330 cluster->SetX( posC[0] );
331 cluster->SetY( posC[1] );
332 cluster->SetZ( posC[2] );
335 float y = cluster->GetY();
336 float z = cluster->GetZ();
340 fClusters[index] = *cluster;
342 fClusterSliceRow[index] = sliceRow;
344 hlt.ReadCluster( index, sec, row, x, y, z, cluster->GetQ() );
346 if ( fDoHLTPerformance ) AliHLTTPCCAPerformance::Instance().ReadHitLabel( index, lab0, lab1, lab2 );
351 hlt.FinishDataReading();
353 //AliHLTTPCCAPerformance::Instance().SmearClustersMC();
358 AliCluster * AliTPCtrackerCA::GetCluster( int index ) const
360 return &( fClusters[index] );
363 int AliTPCtrackerCA::Clusters2Tracks( AliESDEvent *event )
366 //cout<<"Start of AliTPCtrackerCA"<<endl;
369 AliHLTTPCCAStandaloneFramework &hlt = AliHLTTPCCAStandaloneFramework::Instance();
375 for ( int itr = 0; itr < hlt.Merger().NOutputTracks(); itr++ ) {
379 const AliHLTTPCGMMergedTrack &tCA = hlt.Merger().OutputTracks()[itr];
381 AliHLTTPCGMTrackParam par = tCA.GetParam();
382 par.GetExtParam( tTPC, tCA.GetAlpha() );
383 tTPC.SetMass( 0.13957 );
384 if ( TMath::Abs( tTPC.GetSigned1Pt() ) > 1. / 0.02 ) continue;
385 int nhits = tCA.NClusters();
388 firstHit = nhits - 160;
391 tTPC.SetNumberOfClusters( nhits );
392 //float alpha = tCA.GetAlpha();
393 AliHLTTPCGMTrackParam t0 = par;
394 for ( int ih = 0; ih < nhits; ih++ ) {
395 int index = hlt.Merger().OutputClusterIds()[ tCA.FirstClusterRef() + firstHit + ih ];
396 tTPC.SetClusterIndex( ih, index );
397 AliTPCclusterMI *c = &( fClusters[index] );
398 //int iSlice = fClusterSliceRow[index] >> 8;
399 int row = fClusterSliceRow[index] & 0xff;
401 tTPC.SetClusterPointer( row, c );
403 AliTPCTrackerPoint &point = *( tTPC.GetTrackPoint( row ) );
405 //AliHLTTPCCATracker &slice = hlt.SliceTracker( iSlice );
406 if ( hlt.Param(iSlice).Alpha() != alpha ) {
407 if ( ! t0.Rotate( hlt.Param(iSlice).Alpha() - alpha, .999 ) ) continue;
408 alpha = hlt.Param(iSlice).Alpha();
410 float x = hlt.Row(iSlice, row).X();
411 if ( !t0.TransportToX( x, hlt.Param(iSlice).GetBz( t0 ), .999 ) ) continue;
413 //slice.GetErrors2( row, t0, sy2, sz2 );
414 hlt.Param(iSlice).GetClusterErrors2( row, t0.GetZ(), t0.SinPhi(), t0.GetCosPhi(), t0.DzDs(), sy2, sz2 );
415 point.SetSigmaY( c->GetSigmaY2() / sy2 );
416 point.SetSigmaZ( c->GetSigmaZ2() / sz2 );
417 point.SetAngleY( TMath::Abs( t0.GetSinPhi() / t0.GetCosPhi() ) );
418 point.SetAngleZ( TMath::Abs( t0.GetDzDs() ) );
422 //tTPC.CookdEdx( 0.02, 0.6 );
424 CookLabel( &tTPC, 0.1 );
426 if ( 1 ) { // correction like in off-line --- Adding systematic error
428 const double *param = AliTPCReconstructor::GetRecoParam()->GetSystematicError();
430 for ( int i = 0; i < 15; i++ ) covar[i] = 0;
431 covar[0] = param[0] * param[0];
432 covar[2] = param[1] * param[1];
433 covar[5] = param[2] * param[2];
434 covar[9] = param[3] * param[3];
435 double facC = AliTracker::GetBz() * kB2C;
436 covar[14] = param[4] * param[4] * facC * facC;
437 tTPC.AddCovariance( covar );
441 tESD.UpdateTrackParams( &( tTPC ), AliESDtrack::kTPCin );
442 //tESD.SetStatus( AliESDtrack::kTPCrefit );
443 //tESD.SetTPCPoints(tTPC.GetPoints());
444 int ndedx = tTPC.GetNCDEDX( 0 );
445 float sdedx = tTPC.GetSDEDX( 0 );
446 float dedx = tTPC.GetdEdx();
447 tESD.SetTPCsignal( dedx, sdedx, ndedx );
450 event->AddTrack( &tESD );
457 fStatCPUTime += timer.CpuTime();
458 fStatRealTime += timer.RealTime();
460 //cout << "\n\nCA tracker speed: cpu = " << fStatCPUTime / ( fStatNEvents + 1 )*1.e3 << " [ms/ev], real = " << fStatRealTime / ( fStatNEvents + 1 )*1.e3 << " [ms/ev], n calls = " << ( fStatNEvents + 1 ) << endl << endl;
463 //cout<<"Do performance.."<<endl;
465 if ( fDoHLTPerformance ) AliHLTTPCCAPerformance::Instance().Performance();
467 if ( 0 ) {// Write Event
468 if ( fStatNEvents == 0 ) {
470 geo.open( "CAEvents/settings.dat", ios::out );
471 if ( geo.is_open() ) {
472 hlt.WriteSettings( geo );
479 sprintf( name, "CAEvents/%i.event.dat", fStatNEvents );
480 hits.open( name, ios::out );
481 if ( hits.is_open() ) {
482 hlt.WriteEvent( hits );
484 sprintf( name, "CAEvents/%i.tracks.dat", fStatNEvents );
485 tracks.open( name, ios::out );
486 hlt.WriteTracks( tracks );
489 if ( fDoHLTPerformance ) {
490 fstream mcevent, mcpoints;
492 sprintf( mcname, "CAEvents/%i.mcevent.dat", fStatNEvents );
493 mcevent.open( mcname, ios::out );
494 if ( mcevent.is_open() ) {
495 AliHLTTPCCAPerformance::Instance().WriteMCEvent( mcevent );
497 if ( 1 && fDoHLTPerformanceClusters ) {
498 sprintf( mcname, "CAEvents/%i.mcpoints.dat", fStatNEvents );
499 mcpoints.open( mcname, ios::out );
500 if ( mcpoints.is_open() ) {
501 AliHLTTPCCAPerformance::Instance().WriteMCPoints( mcpoints );
512 //cout<<"End of AliTPCtrackerCA"<<endl;
517 int AliTPCtrackerCA::RefitInward ( AliESDEvent * /*event*/ )
519 //* forward propagation of ESD tracks
521 float xTPC = fkParam->GetInnerRadiusLow();
522 float dAlpha = fkParam->GetInnerAngle() / 180.*TMath::Pi();
523 float yMax = xTPC * TMath::Tan( dAlpha / 2. );
525 AliHLTTPCCAStandaloneFramework &hlt = AliHLTTPCCAStandaloneFramework::Instance();
527 int nentr = event->GetNumberOfTracks();
529 for ( int itr = 0; itr < nentr; itr++ ) {
530 AliESDtrack *esd = event->GetTrack( itr );
531 ULong_t status = esd->GetStatus();
532 if ( !( status&AliESDtrack::kTPCin ) ) continue;
533 AliHLTTPCCATrackParam t0;
534 AliHLTTPCCATrackConvertor::SetExtParam( t0, *esd );
535 AliHLTTPCCATrackParam t = t0;
536 float alpha = esd->GetAlpha();
538 AliHLTTPCCAMerger::AliHLTTPCCAClusterInfo infos[500];
539 int hits[500], hits1[500];
540 int nHits = esd->GetTPCclusters( hits );
541 for ( int i = 0; i < nHits; i++ ) {
544 infos[i].SetISlice( fClusterSliceRow[index] >> 8 );
545 int row = fClusterSliceRow[index] & 0xff;
546 int type = ( row < 63 ) ? 0 : ( ( row > 126 ) ? 1 : 2 );
547 infos[i].SetRowType( type );
548 infos[i].SetId( index );
549 infos[i].SetX( fClusters[index].GetX() );
550 infos[i].SetY( fClusters[index].GetY() );
551 infos[i].SetZ( fClusters[index].GetZ() );
554 bool ok = hlt.Merger().FitTrack( t, alpha, t0, alpha, hits1, nHits, 0, 1,infos );
556 if ( ok && nHits > 15 ) {
557 if ( t.TransportToXWithMaterial( xTPC, hlt.Merger().SliceParam().GetBz( t ) ) ) {
558 if ( t.GetY() > yMax ) {
559 if ( t.Rotate( dAlpha ) ) {
561 t.TransportToXWithMaterial( xTPC, hlt.Merger().SliceParam().GetBz( t ) );
563 } else if ( t.GetY() < -yMax ) {
564 if ( t.Rotate( -dAlpha ) ) {
566 t.TransportToXWithMaterial( xTPC, hlt.Merger().SliceParam().GetBz( t ) );
571 AliTPCtrack tt( *esd );
572 if ( AliHLTTPCCATrackConvertor::GetExtParam( t, tt, alpha ) ) {
573 if ( t.X() > 50 ) esd->UpdateTrackParams( &tt, AliESDtrack::kTPCrefit );
581 int AliTPCtrackerCA::PropagateBack( AliESDEvent * /*event*/ )
583 //* backward propagation of ESD tracks
586 AliHLTTPCCAStandaloneFramework &hlt = AliHLTTPCCAStandaloneFramework::Instance();
588 int nentr = event->GetNumberOfTracks();
590 for ( int itr = 0; itr < nentr; itr++ ) {
592 AliESDtrack *esd = event->GetTrack( itr );
593 ULong_t status = esd->GetStatus();
594 if ( !( status&AliESDtrack::kTPCin ) ) continue;
596 AliHLTTPCCATrackParam t0;
597 AliHLTTPCCATrackConvertor::SetExtParam( t0, *esd );
598 AliHLTTPCCATrackParam t = t0;
599 float alpha = esd->GetAlpha();
601 AliHLTTPCCAMerger::AliHLTTPCCAClusterInfo infos[500];
602 int hits[500], hits1[500];
603 int nHits = esd->GetTPCclusters( hits );
604 for ( int i = 0; i < nHits; i++ ) {
607 infos[i].SetISlice( fClusterSliceRow[index] >> 8 );
608 int row = fClusterSliceRow[index] & 0xff;
609 int type = ( row < 63 ) ? 0 : ( ( row > 126 ) ? 1 : 2 );
610 infos[i].SetRowType( type );
611 infos[i].SetId( index );
612 infos[i].SetX( fClusters[index].GetX() );
613 infos[i].SetY( fClusters[index].GetY() );
614 infos[i].SetZ( fClusters[index].GetZ() );
617 bool ok = hlt.Merger().FitTrack( t, alpha, t0, alpha, hits1, nHits, 1, 1, infos );
619 if ( ok && nHits > 15 ) {
620 AliTPCtrack tt( *esd );
621 if ( AliHLTTPCCATrackConvertor::GetExtParam( t, tt, alpha ) ) {
622 if ( t.X() > 50 ) esd->UpdateTrackParams( &tt, AliESDtrack::kTPCout );