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 void AliHLTTPCTrackArray::FillTracks(Int_t ntracks, AliHLTTPCTrackSegmentData* tr,Int_t slice, Int_t bTransform)
247 //Read tracks from shared memory (or memory)
248 AliHLTTPCTrackSegmentData *trs = tr;
249 for(Int_t i=0; i<ntracks; i++){
250 AliHLTTPCTrack *track = NextTrack();
251 track->SetPt(trs->fPt);
252 track->SetPterr(trs->fPterr);
255 if (slice>=0 && bTransform!=0) {
256 AliHLTTPCTransform::Local2GlobalAngle(psi,slice);
258 //cout << "psi " << psi[0] << endl;
259 track->SetPsi(psi[0]);
260 track->SetTgl(trs->fTgl);
261 track->SetPsierr(trs->fPsierr);
262 track->SetTglerr(trs->fTglerr);
263 track->SetNHits(trs->fNPoints);
264 track->SetCharge(trs->fCharge);
266 first[0]=trs->fX;first[1]=trs->fY;first[2]=trs->fZ;
267 if (slice>=0 && bTransform!=0) {
268 AliHLTTPCTransform::Local2Global(first,slice);
270 //cout << "first point: " << first[0] << " " << first[1] << " " << first[3] << endl;
271 track->SetFirstPoint(first[0],first[1],first[2]);
273 last[0]=trs->fLastX;last[1]=trs->fLastY;last[2]=trs->fLastZ;
274 if (slice>=0 && bTransform!=0) {
275 AliHLTTPCTransform::Local2Global(last,slice);
277 //cout << "last point: " << last[0] << " " << last[1] << " " << last[3] << endl;
278 track->SetLastPoint(last[0],last[1],last[2]);
279 track->SetHits( trs->fNPoints, trs->fPointIDs );
281 //if (slice>=0 && bTransform!=0) {
282 // Matthias Feb07: as everything is now in global coordinates, sector should
283 // be set to 0. But as the display does a check on the sector, we have to set
284 // it to the slice no. I suspect, that the transformation is done twice.
285 //track->SetSector(0);
286 track->SetSector(slice);
288 // the parameters are in local coordinates, set the sector no
289 //#ifndef INCLUDE_TPC_HOUGH
290 //if (slice<0) track->SetSector(0);
291 //else track->SetSector(slice);
293 // Matthias Feb 2007: this is some kind of legacy ...
294 // the INCLUDE_TPC_HOUGH has never been switched on in the new TPCLib
295 // and this line was below in the corresponding block. As the slice
296 // parameter is very useful but not available if the define is off
297 // we distinguish the two cases here. Should be cleaned up.
298 // Matthias April 2007: update, try to integrate Cvetans Hough tracker
299 // so we need the support for the AliHLTTPCHoughTrack. I dont have the
300 // full control of this code (should we use slice or trs->fSector?)
301 // But the FillTracks method is never called from the hough code, so we
303 if (GetTrackType()=='h') {
304 AliErrorClassStream() << "FillTracks was never used with AliHLTTPCHoughTrack:"
305 << " CHECK THIS CODE!!!" << endl;
307 //track->SetSector(trs->fSector);
308 //#endif // INCLUDE_TPC_HOUGH
311 // this is currently a quick hack for straight lines of the first version
312 // of the CA tracker.
313 // we have to think about a more general way of treating straight and curved
315 if ( trs->fPt == -9876.0 || trs->fPt == -1.0) {
316 track->SetPhi0(atan2(first[1],first[0]));
317 track->SetKappa(1.0);
318 track->SetRadius(999999.0);
320 // Matthias Feb07: just tried to take this away, but this causes the tracks
321 // in the display not to be drawn. But we still have to tink about this.
322 track->CalculateHelix();
325 #ifdef INCLUDE_TPC_HOUGH
326 #ifdef ROWHOUGHPARAMS
327 if(GetTrackType()=='h') {
328 ((AliHLTTPCHoughTrack *)track)->SetWeight(trs->fWeight);
329 ((AliHLTTPCHoughTrack *)track)->SetBinXY(trs->fBinX,trs->fBinY,trs->fBinXSize,trs->fBinYSize);
331 track->SetMCid(trs->fTrackID);
332 track->SetRowRange(trs->fRowRange1,trs->fRowRange2);
333 track->SetPID(trs->fPID);
335 #endif // INCLUDE_TPC_HOUGH
336 UChar_t *tmpP = (UChar_t*)trs;
337 tmpP += sizeof(AliHLTTPCTrackSegmentData)+trs->fNPoints*sizeof(UInt_t);
338 trs = (AliHLTTPCTrackSegmentData*)tmpP;
342 UInt_t AliHLTTPCTrackArray::GetOutSize()
345 UInt_t count = GetOutCount(); //use only present tracks
347 for(Int_t i=0;i<fNTracks;i++){ //loop over all tracks
348 AliHLTTPCTrack *track = GetCheckedTrack(i); //use only present tracks
349 if(track) //use only present tracks
350 tHits += track->GetNHits();
353 //calculate size of track
354 return count*sizeof(AliHLTTPCTrackSegmentData)+sizeof(UInt_t)*tHits;
357 UInt_t AliHLTTPCTrackArray::WriteTracks(UInt_t & ntracks,AliHLTTPCTrackSegmentData* tr)
360 ntracks = GetOutCount();
361 return WriteTracks(tr);
364 UInt_t AliHLTTPCTrackArray::WriteTracks(AliHLTTPCTrackSegmentData* tr)
366 //if(GetTrackType()=='c') return WriteConfMapTracks(tr);
367 AliHLTTPCTrackSegmentData *tP = tr;
370 for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks
371 AliHLTTPCTrack *track = GetCheckedTrack(i); //use only present tracks
372 if(!track) continue; //use only present tracks
373 tP->fX = track->GetFirstPointX();
374 tP->fY = track->GetFirstPointY();
375 tP->fZ = track->GetFirstPointZ();
376 tP->fPt = track->GetPt();
377 tP->fPterr = track->GetPterr();
378 tP->fLastX = track->GetLastPointX();
379 tP->fLastY = track->GetLastPointY();
380 tP->fLastZ = track->GetLastPointZ();
381 tP->fPsi = track->GetPsi();
382 tP->fTgl = track->GetTgl();
383 tP->fPsierr = track->GetPsierr();
384 tP->fTglerr = track->GetTglerr();
385 tP->fCharge = track->GetCharge();
386 tP->fNPoints = track->GetNHits();
387 #ifdef INCLUDE_TPC_HOUGH
388 #ifdef ROWHOUGHPARAMS
389 if(GetTrackType()=='h') {
390 tP->fWeight = ((AliHLTTPCHoughTrack *)track)->GetWeight();
391 tP->fBinX = ((AliHLTTPCHoughTrack *)track)->GetBinX();
392 tP->fBinY = ((AliHLTTPCHoughTrack *)track)->GetBinY();
393 tP->fBinXSize = ((AliHLTTPCHoughTrack *)track)->GetSizeX();
394 tP->fBinYSize = ((AliHLTTPCHoughTrack *)track)->GetSizeY();
396 tP->fTrackID = track->GetMCid();
397 tP->fRowRange1 = track->GetFirstRow();
398 tP->fRowRange2 = track->GetLastRow();
399 tP->fSector = track->GetSector();
400 tP->fPID = track->GetPID();
402 #endif // INCLUDE_TPC_HOUGH
403 pP = (UInt_t*)track->GetHitNumbers();
404 for (UInt_t j=0;j<tP->fNPoints;j++){
405 tP->fPointIDs[j] = pP[j];
407 Byte_t *tmpP = (Byte_t *)tP;
408 tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
409 size += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
410 tP = (AliHLTTPCTrackSegmentData*)tmpP;
412 // LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::WriteTracks","TRACKPARAMETER") <<ENDLOG;
413 // track->Rotate(0,kFALSE);
420 UInt_t AliHLTTPCTrackArray::WriteConfMapTracks(AliHLTTPCTrackSegmentData* tr)
422 // use first and last point objects
423 AliHLTTPCTrackSegmentData *tP = tr;
426 for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks
427 AliHLTTPCConfMapTrack *track =(AliHLTTPCConfMapTrack *) GetCheckedTrack(i); //use only present tracks
428 if(!track) continue; //use only present tracks
429 AliHLTTPCConfMapPoint *hit = (AliHLTTPCConfMapPoint*)track->GetLastHit();
430 AliHLTTPCConfMapPoint *lastHit = (AliHLTTPCConfMapPoint*)track->GetFirstHit();
431 tP->fX = hit->GetX();
432 tP->fY = hit->GetY();
433 tP->fZ = hit->GetZ();
434 tP->fLastX = lastHit->GetX();
435 tP->fLastY = lastHit->GetY();
436 tP->fLastZ = lastHit->GetZ();
438 // tP->fX = track->GetFirstPointX();
439 // tP->fY = track->GetFirstPointY();
440 // tP->fZ = track->GetFirstPointZ();
441 tP->fPt = track->GetPt();
442 tP->fPterr = track->GetPterr();
443 // tP->fLastX = track->GetLastPointX();
444 // tP->fLastY = track->GetLastPointY();
445 // tP->fLastZ = track->GetLastPointZ();
446 tP->fPsi = track->GetPsi();
447 tP->fTgl = track->GetTgl();
448 tP->fPsierr = track->GetPsierr();
449 tP->fTglerr = track->GetTglerr();
450 tP->fCharge = track->GetCharge();
451 #ifdef INCLUDE_TPC_HOUGH
452 #ifdef ROWHOUGHPARAMS
453 tP->fTrackID = track->GetMCid();
454 tP->fRowRange1 = track->GetFirstRow();
455 tP->fRowRange2 = track->GetLastRow();
456 tP->fSector = track->GetSector();
457 tP->fPID = track->GetPID();
459 #endif // INCLUDE_TPC_HOUGH
460 tP->fNPoints = track->GetNHits();
461 pP = (UInt_t*)track->GetHitNumbers();
462 for (UInt_t j=0;j<tP->fNPoints;j++){
463 tP->fPointIDs[j] = pP[j];
465 Byte_t *tmpP = (Byte_t *)tP;
466 tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
467 size +=sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t);
468 tP = (AliHLTTPCTrackSegmentData*)tmpP;
473 void AliHLTTPCTrackArray::AddLast(AliHLTTPCTrack *track)
475 //add track to last position
476 AliHLTTPCTrack *tpt = NextTrack();
481 void AliHLTTPCTrackArray::AddTracks(AliHLTTPCTrackArray *newtrack,Bool_t remove_old,Int_t slice)
484 if(GetTrackType() != newtrack->GetTrackType() && GetTrackType()!='t')
486 LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::AddTracks","Track types")
487 <<"Bad idea to add tracks of different types"<<ENDLOG;
490 if(fSize < fNTracks+newtrack->GetNPresent())
491 SetSize(fSize+newtrack->GetSize());
492 for(Int_t i =0;i<newtrack->GetNTracks();i++){
493 AliHLTTPCTrack *tpt = newtrack->GetCheckedTrack(i);
497 AliHLTTPCTrack *track = NextTrack();
500 track->Rotate(slice); //Rotate track to global coordinates
502 AliHLTTPCTrack *track;
503 #ifdef INCLUDE_TPC_HOUGH
504 if(GetTrackType()=='h')
505 track = (AliHLTTPCHoughTrack*)NextTrack();
514 void AliHLTTPCTrackArray::Compress()
517 if(GetNPresent()==GetNTracks()) return;
518 AliHLTTPCTrack **tmp = new AliHLTTPCTrack *[fNTracks];
520 Int_t absent=GetNPresent();
521 for(Int_t i=0;i<GetNTracks();i++){
522 if(fIsPresent[i]) tmp[present++] = fTrack[i];
523 else tmp[absent++] = fTrack[i];
525 for(Int_t i=0;i<GetNTracks();i++)
529 for(Int_t i=0; i<GetNTracks();i++){
535 fNTracks = GetNPresent();
539 void AliHLTTPCTrackArray::QSort()
543 QSort(fTrack,0,fNTracks);
546 void AliHLTTPCTrackArray::QSort( AliHLTTPCTrack **a, Int_t first, Int_t last)
548 // Sort array of AliHLTTPCTrack pointers using a quicksort algorithm.
549 // Uses TrackCompare() to compare objects.
552 static AliHLTTPCTrack *tmp;
553 static int i; // "static" to save stack space
556 while (last - first > 1) {
560 while (++i < last && TrackCompare(a[i], a[first]) < 0)
562 while (--j > first && TrackCompare(a[j], a[first]) > 0)
578 if (j - first < last - (j + 1)) {
580 first = j + 1; // QSort(j + 1, last);
582 QSort(a, j + 1, last);
583 last = j; // QSort(first, j);
588 Int_t AliHLTTPCTrackArray::TrackCompare(AliHLTTPCTrack *a, AliHLTTPCTrack *b) const
590 // Compare the two tracks.
592 return b->Compare(a);
595 #ifdef INCLUDE_TPC_HOUGH
598 AliHLTTPCHoughTrack *tra = (AliHLTTPCHoughTrack*)a;
599 AliHLTTPCHoughTrack *trb = (AliHLTTPCHoughTrack*)b;
600 if(tra->GetWeight() < trb->GetWeight()) return 1;
601 if(tra->GetWeight() > trb->GetWeight()) return -1;
606 if(a->GetNHits() < b->GetNHits()) return 1;
607 if(a->GetNHits() > b->GetNHits()) return -1;
614 AliHLTTPCTrack* AliHLTTPCTrackArray::operator[](int index)
617 if (index<fNTracks) return fTrack[index];