2 // Original: AliHLTTrackArray.cxx,v 1.21 2005/06/14 10:55:21 cvetan
4 /**************************************************************************
5 * This file is property of and copyright by the ALICE HLT Project *
6 * ALICE Experiment at CERN, All rights reserved. *
8 * Primary Authors: Uli Frankenfeld, maintained by *
9 * Matthias Richter <Matthias.Richter@ift.uib.no> *
10 * for The ALICE HLT Project. *
12 * Permission to use, copy, modify and distribute this software and its *
13 * documentation strictly for non-commercial purposes is hereby granted *
14 * without fee, provided that the above copyright notice appears in all *
15 * copies and that both the copyright notice and this permission notice *
16 * appear in the supporting documentation. The authors make no claims *
17 * about the suitability of this software for any purpose. It is *
18 * provided "as is" without express or implied warranty. *
19 **************************************************************************/
21 /** @file AliHLTTPCTrackArray.cxx
22 @author Uli Frankenfeld, maintained by Matthias Richter
24 @brief Array of AliHLTTPCTracks */
28 #include "AliHLTTPCLogging.h"
29 #include "AliHLTTPCTrackArray.h"
30 // Matthias 17.10.2007 the hough code has been disabled for the moment
31 //#define INCLUDE_TPC_HOUGH
32 #ifdef INCLUDE_TPC_HOUGH
33 #include "AliHLTTPCHoughTrack.h"
35 #include "AliHLTTPCModelTrack.h"
36 #include "AliHLTTPCConfMapTrack.h"
37 #include "AliHLTTPCTrackSegmentData.h"
38 #include "AliHLTTPCTransform.h"
39 #include "AliHLTTPCConfMapPoint.h"
45 ClassImp(AliHLTTPCTrackArray)
47 AliHLTTPCTrackArray::AliHLTTPCTrackArray()
61 AliHLTTPCTrackArray::AliHLTTPCTrackArray(Int_t ntrack)
74 AliHLTTPCTrackArray::AliHLTTPCTrackArray(char* tracktype,Int_t ntrack)
84 if(strcmp(tracktype,"AliHLTTPCTrack")==0) fTrackType='t';
85 if(strcmp(tracktype,"AliHLTTPCConfMapTrack")==0) fTrackType='c';
86 #ifdef INCLUDE_TPC_HOUGH
87 if(strcmp(tracktype,"AliHLTTPCHoughTrack")==0) fTrackType='h';
89 if(strcmp(tracktype,"AliHLTTPCModelTrack")==0) fTrackType='m';
93 AliHLTTPCTrackArray::AliHLTTPCTrackArray(char* tracktype)
103 if(strcmp(tracktype,"AliHLTTPCTrack")==0) fTrackType='t';
104 if(strcmp(tracktype,"AliHLTTPCConfMapTrack")==0) fTrackType='c';
105 #ifdef INCLUDE_TPC_HOUGH
106 if(strcmp(tracktype,"AliHLTTPCHoughTrack")==0) fTrackType='h';
108 if(strcmp(tracktype,"AliHLTTPCModelTrack")==0) fTrackType='m';
112 AliHLTTPCTrackArray::~AliHLTTPCTrackArray()
119 AliHLTTPCTrack *AliHLTTPCTrackArray::NextTrack()
121 //next track in array
122 if(fNTracks<fSize) return fTrack[fNTracks++];
124 return fTrack[fNTracks++];
127 void AliHLTTPCTrackArray::DeleteArray()
130 for(Int_t i=0; i<fSize;i++)
137 Bool_t AliHLTTPCTrackArray::SetSize(Int_t newsize)
140 if(newsize<=fSize) return kFALSE; //shrink comes later!!
143 fTrack = new AliHLTTPCTrack*[fSize];
144 fIsPresent = new Bool_t[fSize];
147 for(Int_t i=0;i<fSize;i++){
148 fTrack[i] = new AliHLTTPCTrack();
149 fIsPresent[i] = kTRUE;
153 for(Int_t i=0;i<fSize;i++){
154 fTrack[i] = new AliHLTTPCConfMapTrack();
155 fIsPresent[i] = kTRUE;
158 #ifdef INCLUDE_TPC_HOUGH
160 for(Int_t i=0;i<fSize;i++){
161 fTrack[i] = new AliHLTTPCHoughTrack();
162 fIsPresent[i] = kTRUE;
167 for(Int_t i=0;i<fSize;i++){
168 fTrack[i] = new AliHLTTPCModelTrack();
169 fIsPresent[i] = kTRUE;
177 AliHLTTPCTrack **tmp = new AliHLTTPCTrack*[fSize];
178 Bool_t *pre = new Bool_t[fSize];
179 for(Int_t i=0; i<fSize;i++){
181 pre[i] = fIsPresent[i];
185 fTrack = new AliHLTTPCTrack*[newsize];
186 fIsPresent = new Bool_t[newsize];
187 for(Int_t i=0; i<fSize;i++){
189 fIsPresent[i] = pre[i];
195 for(Int_t i=fSize;i<newsize;i++){
196 fTrack[i] = new AliHLTTPCTrack();
197 fIsPresent[i] = kTRUE;
201 for(Int_t i=fSize;i<newsize;i++){
202 fTrack[i] = new AliHLTTPCConfMapTrack();
203 fIsPresent[i] = kTRUE;
206 #ifdef INCLUDE_TPC_HOUGH
208 for(Int_t i=fSize;i<newsize;i++){
209 fTrack[i] = new AliHLTTPCHoughTrack();
210 fIsPresent[i] = kTRUE;
215 for(Int_t i=fSize;i<newsize;i++){
216 fTrack[i] = new AliHLTTPCModelTrack();
217 fIsPresent[i] = kTRUE;
227 void AliHLTTPCTrackArray::Reset()
232 for(Int_t i=0; i<fSize;i++)
233 fIsPresent[i] = kTRUE;
236 void AliHLTTPCTrackArray::Remove(Int_t track)
239 if(fIsPresent[track]){
240 fIsPresent[track]=kFALSE;
245 int AliHLTTPCTrackArray::FillTracks(Int_t ntracks, AliHLTTPCTrackSegmentData* tr, Int_t slice, Int_t bTransform)
247 //Read tracks from shared memory (or memory)
248 return FillTracksChecked(tr, ntracks, 0, slice, bTransform);
251 int AliHLTTPCTrackArray::FillTracksChecked(AliHLTTPCTrackSegmentData* tr, Int_t ntracks, unsigned int sizeInByte, Int_t slice, Int_t bTransform)
253 //Read tracks from shared memory (or memory)
255 AliHLTTPCTrackSegmentData *trs = tr;
256 for(Int_t i=0; i<ntracks; i++){
258 (((AliHLTUInt8_t*)trs)+sizeof(AliHLTTPCTrackSegmentData)>((AliHLTUInt8_t*)tr)+sizeInByte ||
259 ((AliHLTUInt8_t*)trs)+sizeof(AliHLTTPCTrackSegmentData)+trs->fNPoints*sizeof(UInt_t)>((AliHLTUInt8_t*)tr)+sizeInByte)) {
263 AliHLTTPCTrack *track = NextTrack();
264 track->SetPt(trs->fPt);
265 track->SetPterr(trs->fPterr);
268 if (slice>=0 && bTransform!=0) {
269 AliHLTTPCTransform::Local2GlobalAngle(psi,slice);
271 //cout << "psi " << psi[0] << endl;
272 track->SetPsi(psi[0]);
273 track->SetTgl(trs->fTgl);
274 track->SetPsierr(trs->fPsierr);
275 track->SetTglerr(trs->fTglerr);
276 track->SetY0err(trs->fY0err);
277 track->SetZ0err(trs->fZ0err);
278 track->SetNHits(trs->fNPoints);
279 track->SetCharge(trs->fCharge);
281 first[0]=trs->fX;first[1]=trs->fY;first[2]=trs->fZ;
282 if (slice>=0 && bTransform!=0) {
283 AliHLTTPCTransform::Local2Global(first,slice);
285 //cout << "first point: " << first[0] << " " << first[1] << " " << first[3] << endl;
286 track->SetFirstPoint(first[0],first[1],first[2]);
288 last[0]=trs->fLastX;last[1]=trs->fLastY;last[2]=trs->fLastZ;
289 if (slice>=0 && bTransform!=0) {
290 AliHLTTPCTransform::Local2Global(last,slice);
292 //cout << "last point: " << last[0] << " " << last[1] << " " << last[3] << endl;
293 track->SetLastPoint(last[0],last[1],last[2]);
294 track->SetHits( trs->fNPoints, trs->fPointIDs );
296 //if (slice>=0 && bTransform!=0) {
297 // Matthias Feb07: as everything is now in global coordinates, sector should
298 // be set to 0. But as the display does a check on the sector, we have to set
299 // it to the slice no. I suspect, that the transformation is done twice.
300 //track->SetSector(0);
301 track->SetSector(slice);
303 // the parameters are in local coordinates, set the sector no
304 //#ifndef INCLUDE_TPC_HOUGH
305 //if (slice<0) track->SetSector(0);
306 //else track->SetSector(slice);
308 // Matthias Feb 2007: this is some kind of legacy ...
309 // the INCLUDE_TPC_HOUGH has never been switched on in the new TPCLib
310 // and this line was below in the corresponding block. As the slice
311 // parameter is very useful but not available if the define is off
312 // we distinguish the two cases here. Should be cleaned up.
313 // Matthias April 2007: update, try to integrate Cvetans Hough tracker
314 // so we need the support for the AliHLTTPCHoughTrack. I dont have the
315 // full control of this code (should we use slice or trs->fSector?)
316 // But the FillTracks method is never called from the hough code, so we
318 if (GetTrackType()=='h') {
319 AliErrorClassStream() << "FillTracks was never used with AliHLTTPCHoughTrack:"
320 << " CHECK THIS CODE!!!" << endl;
322 //track->SetSector(trs->fSector);
323 //#endif // INCLUDE_TPC_HOUGH
326 // this is currently a quick hack for straight lines of the first version
327 // of the CA tracker.
328 // we have to think about a more general way of treating straight and curved
330 if ( trs->fPt == -9876.0 || trs->fPt == -1.0) {
331 track->SetPhi0(atan2(first[1],first[0]));
332 track->SetKappa(1.0);
333 track->SetRadius(999999.0);
335 // Matthias Feb07: just tried to take this away, but this causes the tracks
336 // in the display not to be drawn. But we still have to tink about this.
337 track->CalculateHelix();
340 #ifdef INCLUDE_TPC_HOUGH
341 #ifdef ROWHOUGHPARAMS
342 if(GetTrackType()=='h') {
343 ((AliHLTTPCHoughTrack *)track)->SetWeight(trs->fWeight);
344 ((AliHLTTPCHoughTrack *)track)->SetBinXY(trs->fBinX,trs->fBinY,trs->fBinXSize,trs->fBinYSize);
346 track->SetMCid(trs->fTrackID);
347 track->SetRowRange(trs->fRowRange1,trs->fRowRange2);
348 track->SetPID(trs->fPID);
350 #endif // INCLUDE_TPC_HOUGH
351 UChar_t *tmpP = (UChar_t*)trs;
352 tmpP += sizeof(AliHLTTPCTrackSegmentData)+trs->fNPoints*sizeof(UInt_t);
353 trs = (AliHLTTPCTrackSegmentData*)tmpP;
356 if (iResult==-EDOM) {
357 // try to recover the version 1 struct
359 if ((iResult=FillTracksVersion1((AliHLTTPCTrackSegmentDataV1*)tr, ntracks, sizeInByte, slice, bTransform))>=0) {
360 LOG(AliHLTTPCLog::kWarning,"AliHLTTPCTrackArray::FillTracks","") << "version 1 track array recoverd (deprecated since r27415)" << ENDLOG;
363 if (iResult==-EDOM) {
365 LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::FillTracks","") << "corrupted input data array" << ENDLOG;
371 int AliHLTTPCTrackArray::FillTracksVersion1(AliHLTTPCTrackSegmentDataV1* tr, Int_t ntracks, unsigned int sizeInByte, Int_t slice, Int_t bTransform)
373 //Read tracks from shared memory (or memory)
375 AliHLTTPCTrackSegmentDataV1 *trs = tr;
376 for(Int_t i=0; i<ntracks; i++){
378 (((AliHLTUInt8_t*)trs)+sizeof(AliHLTTPCTrackSegmentDataV1)>((AliHLTUInt8_t*)tr)+sizeInByte ||
379 ((AliHLTUInt8_t*)trs)+sizeof(AliHLTTPCTrackSegmentDataV1)+trs->fNPoints*sizeof(UInt_t)>((AliHLTUInt8_t*)tr)+sizeInByte)) {
383 AliHLTTPCTrack *track = NextTrack();
384 track->SetPt(trs->fPt);
385 track->SetPterr(trs->fPterr);
388 if (slice>=0 && bTransform!=0) {
389 AliHLTTPCTransform::Local2GlobalAngle(psi,slice);
391 track->SetPsi(psi[0]);
392 track->SetTgl(trs->fTgl);
393 track->SetPsierr(trs->fPsierr);
394 track->SetTglerr(trs->fTglerr);
395 track->SetNHits(trs->fNPoints);
396 track->SetCharge(trs->fCharge);
398 first[0]=trs->fX;first[1]=trs->fY;first[2]=trs->fZ;
399 if (slice>=0 && bTransform!=0) {
400 AliHLTTPCTransform::Local2Global(first,slice);
402 track->SetFirstPoint(first[0],first[1],first[2]);
404 last[0]=trs->fLastX;last[1]=trs->fLastY;last[2]=trs->fLastZ;
405 if (slice>=0 && bTransform!=0) {
406 AliHLTTPCTransform::Local2Global(last,slice);
408 track->SetLastPoint(last[0],last[1],last[2]);
409 track->SetHits( trs->fNPoints, trs->fPointIDs );
411 track->SetSector(slice);
412 if ( trs->fPt == -9876.0 || trs->fPt == -1.0) {
413 track->SetPhi0(atan2(first[1],first[0]));
414 track->SetKappa(1.0);
415 track->SetRadius(999999.0);
417 track->CalculateHelix();
420 UChar_t *tmpP = (UChar_t*)trs;
421 tmpP += sizeof(AliHLTTPCTrackSegmentDataV1)+trs->fNPoints*sizeof(UInt_t);
422 trs = (AliHLTTPCTrackSegmentDataV1*)tmpP;
427 UInt_t AliHLTTPCTrackArray::GetOutSize()
430 UInt_t count = GetOutCount(); //use only present tracks
432 for(Int_t i=0;i<fNTracks;i++){ //loop over all tracks
433 AliHLTTPCTrack *track = GetCheckedTrack(i); //use only present tracks
434 if(track) //use only present tracks
435 tHits += track->GetNHits();
438 //calculate size of track
439 return count*sizeof(AliHLTTPCTrackSegmentData)+sizeof(UInt_t)*tHits;
442 UInt_t AliHLTTPCTrackArray::WriteTracks(UInt_t & ntracks,AliHLTTPCTrackSegmentData* tr)
445 ntracks = GetOutCount();
446 return WriteTracks(tr);
449 UInt_t AliHLTTPCTrackArray::WriteTracks(AliHLTTPCTrackSegmentData* tr)
451 //if(GetTrackType()=='c') return WriteConfMapTracks(tr);
452 AliHLTTPCTrackSegmentData *tP = tr;
455 for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks
456 AliHLTTPCTrack *track = GetCheckedTrack(i); //use only present tracks
457 if(!track) continue; //use only present tracks
458 tP->fX = track->GetFirstPointX();
459 tP->fY = track->GetFirstPointY();
460 tP->fZ = track->GetFirstPointZ();
461 tP->fPt = track->GetPt();
462 tP->fPterr = track->GetPterr();
463 tP->fLastX = track->GetLastPointX();
464 tP->fLastY = track->GetLastPointY();
465 tP->fLastZ = track->GetLastPointZ();
466 tP->fPsi = track->GetPsi();
467 tP->fTgl = track->GetTgl();
468 tP->fPsierr = track->GetPsierr();
469 tP->fTglerr = track->GetTglerr();
470 tP->fY0err = track->GetY0err();
471 tP->fZ0err = track->GetZ0err();
472 tP->fCharge = track->GetCharge();
473 tP->fNPoints = track->GetNHits();
474 #ifdef INCLUDE_TPC_HOUGH
475 #ifdef ROWHOUGHPARAMS
476 if(GetTrackType()=='h') {
477 tP->fWeight = ((AliHLTTPCHoughTrack *)track)->GetWeight();
478 tP->fBinX = ((AliHLTTPCHoughTrack *)track)->GetBinX();
479 tP->fBinY = ((AliHLTTPCHoughTrack *)track)->GetBinY();
480 tP->fBinXSize = ((AliHLTTPCHoughTrack *)track)->GetSizeX();
481 tP->fBinYSize = ((AliHLTTPCHoughTrack *)track)->GetSizeY();
483 tP->fTrackID = track->GetMCid();
484 tP->fRowRange1 = track->GetFirstRow();
485 tP->fRowRange2 = track->GetLastRow();
486 tP->fSector = track->GetSector();
487 tP->fPID = track->GetPID();
489 #endif // INCLUDE_TPC_HOUGH
490 pP = (UInt_t*)track->GetHitNumbers();
491 for (UInt_t j=0;j<tP->fNPoints;j++){
492 tP->fPointIDs[j] = pP[j];
494 Byte_t *tmpP = (Byte_t *)tP;
495 tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
496 size += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
497 tP = (AliHLTTPCTrackSegmentData*)tmpP;
499 // LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::WriteTracks","TRACKPARAMETER") <<ENDLOG;
500 // track->Rotate(0,kFALSE);
507 UInt_t AliHLTTPCTrackArray::WriteConfMapTracks(AliHLTTPCTrackSegmentData* tr)
509 // use first and last point objects
510 AliHLTTPCTrackSegmentData *tP = tr;
513 for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks
514 AliHLTTPCConfMapTrack *track =(AliHLTTPCConfMapTrack *) GetCheckedTrack(i); //use only present tracks
515 if(!track) continue; //use only present tracks
516 AliHLTTPCConfMapPoint *hit = (AliHLTTPCConfMapPoint*)track->GetLastHit();
517 AliHLTTPCConfMapPoint *lastHit = (AliHLTTPCConfMapPoint*)track->GetFirstHit();
518 tP->fX = hit->GetX();
519 tP->fY = hit->GetY();
520 tP->fZ = hit->GetZ();
521 tP->fLastX = lastHit->GetX();
522 tP->fLastY = lastHit->GetY();
523 tP->fLastZ = lastHit->GetZ();
525 // tP->fX = track->GetFirstPointX();
526 // tP->fY = track->GetFirstPointY();
527 // tP->fZ = track->GetFirstPointZ();
528 tP->fPt = track->GetPt();
529 tP->fPterr = track->GetPterr();
530 // tP->fLastX = track->GetLastPointX();
531 // tP->fLastY = track->GetLastPointY();
532 // tP->fLastZ = track->GetLastPointZ();
533 tP->fPsi = track->GetPsi();
534 tP->fTgl = track->GetTgl();
535 tP->fPsierr = track->GetPsierr();
536 tP->fTglerr = track->GetTglerr();
537 tP->fY0err = track->GetY0err();
538 tP->fZ0err = track->GetZ0err();
539 tP->fCharge = track->GetCharge();
540 #ifdef INCLUDE_TPC_HOUGH
541 #ifdef ROWHOUGHPARAMS
542 tP->fTrackID = track->GetMCid();
543 tP->fRowRange1 = track->GetFirstRow();
544 tP->fRowRange2 = track->GetLastRow();
545 tP->fSector = track->GetSector();
546 tP->fPID = track->GetPID();
548 #endif // INCLUDE_TPC_HOUGH
549 tP->fNPoints = track->GetNHits();
550 pP = (UInt_t*)track->GetHitNumbers();
551 for (UInt_t j=0;j<tP->fNPoints;j++){
552 tP->fPointIDs[j] = pP[j];
554 Byte_t *tmpP = (Byte_t *)tP;
555 tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
556 size +=sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
557 tP = (AliHLTTPCTrackSegmentData*)tmpP;
562 void AliHLTTPCTrackArray::AddLast(AliHLTTPCTrack *track)
564 //add track to last position
565 AliHLTTPCTrack *tpt = NextTrack();
570 void AliHLTTPCTrackArray::AddTracks(AliHLTTPCTrackArray *newtrack,Bool_t remove_old,Int_t slice)
573 if(GetTrackType() != newtrack->GetTrackType() && GetTrackType()!='t')
575 LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::AddTracks","Track types")
576 <<"Bad idea to add tracks of different types"<<ENDLOG;
579 if(fSize < fNTracks+newtrack->GetNPresent())
580 SetSize(fSize+newtrack->GetSize());
581 for(Int_t i =0;i<newtrack->GetNTracks();i++){
582 AliHLTTPCTrack *tpt = newtrack->GetCheckedTrack(i);
586 AliHLTTPCTrack *track = NextTrack();
589 track->Rotate(slice); //Rotate track to global coordinates
591 AliHLTTPCTrack *track;
592 #ifdef INCLUDE_TPC_HOUGH
593 if(GetTrackType()=='h')
594 track = (AliHLTTPCHoughTrack*)NextTrack();
603 void AliHLTTPCTrackArray::Compress()
606 if(GetNPresent()==GetNTracks()) return;
607 AliHLTTPCTrack **tmp = new AliHLTTPCTrack *[fNTracks];
609 Int_t absent=GetNPresent();
610 for(Int_t i=0;i<GetNTracks();i++){
611 if(fIsPresent[i]) tmp[present++] = fTrack[i];
612 else tmp[absent++] = fTrack[i];
614 for(Int_t i=0;i<GetNTracks();i++)
618 for(Int_t i=0; i<GetNTracks();i++){
624 fNTracks = GetNPresent();
628 void AliHLTTPCTrackArray::QSort()
632 QSort(fTrack,0,fNTracks);
635 void AliHLTTPCTrackArray::QSort( AliHLTTPCTrack **a, Int_t first, Int_t last)
637 // Sort array of AliHLTTPCTrack pointers using a quicksort algorithm.
638 // Uses TrackCompare() to compare objects.
641 static AliHLTTPCTrack *tmp;
642 static int i; // "static" to save stack space
645 while (last - first > 1) {
649 while (++i < last && TrackCompare(a[i], a[first]) < 0)
651 while (--j > first && TrackCompare(a[j], a[first]) > 0)
667 if (j - first < last - (j + 1)) {
669 first = j + 1; // QSort(j + 1, last);
671 QSort(a, j + 1, last);
672 last = j; // QSort(first, j);
677 Int_t AliHLTTPCTrackArray::TrackCompare(AliHLTTPCTrack *a, AliHLTTPCTrack *b) const
679 // Compare the two tracks.
681 return b->Compare(a);
684 #ifdef INCLUDE_TPC_HOUGH
687 AliHLTTPCHoughTrack *tra = (AliHLTTPCHoughTrack*)a;
688 AliHLTTPCHoughTrack *trb = (AliHLTTPCHoughTrack*)b;
689 if(tra->GetWeight() < trb->GetWeight()) return 1;
690 if(tra->GetWeight() > trb->GetWeight()) return -1;
695 if(a->GetNHits() < b->GetNHits()) return 1;
696 if(a->GetNHits() > b->GetNHits()) return -1;
703 AliHLTTPCTrack* AliHLTTPCTrackArray::operator[](int index)
706 if (index<fNTracks) return fTrack[index];