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1 | // @(#) $Id$ |
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2 | // Original: AliHLTTrackArray.cxx,v 1.21 2005/06/14 10:55:21 cvetan |
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3 | |
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4 | /************************************************************************** |
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5 | * This file is property of and copyright by the ALICE HLT Project * |
6 | * ALICE Experiment at CERN, All rights reserved. * |
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7 | * * |
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8 | * Primary Authors: Uli Frankenfeld, maintained by * |
9 | * Matthias Richter <Matthias.Richter@ift.uib.no> * |
10 | * for The ALICE HLT Project. * |
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11 | * * |
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 | **************************************************************************/ |
20 | |
21 | /** @file AliHLTTPCTrackArray.cxx |
22 | @author Uli Frankenfeld, maintained by Matthias Richter |
23 | @date |
24 | @brief Array of AliHLTTPCTracks */ |
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25 | |
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26 | #include "AliLog.h" |
27 | #include "TClass.h" |
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28 | #include "AliHLTTPCLogging.h" |
29 | #include "AliHLTTPCTrackArray.h" |
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30 | // Matthias 17.10.2007 the hough code has been disabled for the moment |
31 | //#define INCLUDE_TPC_HOUGH |
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32 | #ifdef INCLUDE_TPC_HOUGH |
33 | #include "AliHLTTPCHoughTrack.h" |
34 | #endif |
35 | #include "AliHLTTPCModelTrack.h" |
36 | #include "AliHLTTPCConfMapTrack.h" |
37 | #include "AliHLTTPCTrackSegmentData.h" |
38 | #include "AliHLTTPCTransform.h" |
39 | #include "AliHLTTPCConfMapPoint.h" |
40 | |
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41 | #if __GNUC__ >= 3 |
42 | using namespace std; |
43 | #endif |
44 | |
45 | ClassImp(AliHLTTPCTrackArray) |
46 | |
47 | AliHLTTPCTrackArray::AliHLTTPCTrackArray() |
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48 | : |
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49 | fTrackType('t'), |
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50 | fSize(0), |
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51 | fIsPresent(NULL), |
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52 | fNAbsent(0), |
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53 | fTrack(NULL), |
54 | fNTracks(0) |
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55 | { |
56 | //Default constructor |
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57 | SetSize(); |
58 | } |
59 | |
60 | |
61 | AliHLTTPCTrackArray::AliHLTTPCTrackArray(const AliHLTTPCTrackArray&) |
62 | : |
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63 | fTrackType('t'), |
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64 | fSize(0), |
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65 | fIsPresent(NULL), |
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66 | fNAbsent(0), |
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67 | fTrack(NULL), |
68 | fNTracks(0) |
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69 | { |
70 | //constructor |
71 | SetSize(); |
72 | } |
73 | |
74 | AliHLTTPCTrackArray& AliHLTTPCTrackArray::operator=(const AliHLTTPCTrackArray&) |
75 | { |
76 | //assignment |
77 | fSize=0; |
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78 | fNTracks=0; |
79 | fNAbsent=0; |
80 | fTrackType='t'; |
81 | SetSize(); |
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82 | return *this; |
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83 | } |
84 | |
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85 | AliHLTTPCTrackArray::AliHLTTPCTrackArray(Int_t ntrack) |
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86 | : |
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87 | fTrackType('t'), |
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88 | fSize(0), |
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89 | fIsPresent(NULL), |
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90 | fNAbsent(0), |
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91 | fTrack(NULL), |
92 | fNTracks(0) |
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93 | { |
94 | //Constructor. |
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95 | SetSize(ntrack); |
96 | } |
97 | |
98 | AliHLTTPCTrackArray::AliHLTTPCTrackArray(char* tracktype,Int_t ntrack) |
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99 | : |
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100 | fTrackType('t'), |
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101 | fSize(0), |
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102 | fIsPresent(NULL), |
103 | fNAbsent(0), |
104 | fTrack(NULL), |
105 | fNTracks(0) |
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106 | { |
107 | //Constructor. |
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108 | if(strcmp(tracktype,"AliHLTTPCTrack")==0) fTrackType='t'; |
109 | if(strcmp(tracktype,"AliHLTTPCConfMapTrack")==0) fTrackType='c'; |
110 | #ifdef INCLUDE_TPC_HOUGH |
111 | if(strcmp(tracktype,"AliHLTTPCHoughTrack")==0) fTrackType='h'; |
112 | #endif |
113 | if(strcmp(tracktype,"AliHLTTPCModelTrack")==0) fTrackType='m'; |
114 | SetSize(ntrack); |
115 | } |
116 | |
117 | AliHLTTPCTrackArray::AliHLTTPCTrackArray(char* tracktype) |
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118 | : |
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119 | fTrackType('t'), |
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120 | fSize(0), |
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121 | fIsPresent(NULL), |
122 | fNAbsent(0), |
123 | fTrack(NULL), |
124 | fNTracks(0) |
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125 | { |
126 | //Constructor. |
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127 | if(strcmp(tracktype,"AliHLTTPCTrack")==0) fTrackType='t'; |
128 | if(strcmp(tracktype,"AliHLTTPCConfMapTrack")==0) fTrackType='c'; |
129 | #ifdef INCLUDE_TPC_HOUGH |
130 | if(strcmp(tracktype,"AliHLTTPCHoughTrack")==0) fTrackType='h'; |
131 | #endif |
132 | if(strcmp(tracktype,"AliHLTTPCModelTrack")==0) fTrackType='m'; |
133 | SetSize(); |
134 | } |
135 | |
136 | AliHLTTPCTrackArray::~AliHLTTPCTrackArray() |
137 | { |
138 | //Destructor |
139 | DeleteArray(); |
140 | } |
141 | |
142 | |
143 | AliHLTTPCTrack *AliHLTTPCTrackArray::NextTrack() |
144 | { |
145 | //next track in array |
146 | if(fNTracks<fSize) return fTrack[fNTracks++]; |
147 | SetSize(fSize+100); |
148 | return fTrack[fNTracks++]; |
149 | } |
150 | |
151 | void AliHLTTPCTrackArray::DeleteArray() |
152 | { |
153 | //delete array |
154 | for(Int_t i=0; i<fSize;i++) |
155 | delete fTrack[i]; |
156 | delete[] fIsPresent; |
157 | delete[] fTrack; |
158 | } |
159 | |
160 | Bool_t AliHLTTPCTrackArray::SetSize(Int_t newsize) |
161 | { |
162 | //set size |
163 | if(newsize<=fSize) return kFALSE; //shrink comes later!! |
164 | if(!fSize){ |
165 | fSize = newsize; |
166 | fTrack = new AliHLTTPCTrack*[fSize]; |
167 | fIsPresent = new Bool_t[fSize]; |
168 | switch(fTrackType){ |
169 | case 't': |
170 | for(Int_t i=0;i<fSize;i++){ |
171 | fTrack[i] = new AliHLTTPCTrack(); |
172 | fIsPresent[i] = kTRUE; |
173 | } |
174 | break; |
175 | case 'c': |
176 | for(Int_t i=0;i<fSize;i++){ |
177 | fTrack[i] = new AliHLTTPCConfMapTrack(); |
178 | fIsPresent[i] = kTRUE; |
179 | } |
180 | break; |
181 | #ifdef INCLUDE_TPC_HOUGH |
182 | case 'h': |
183 | for(Int_t i=0;i<fSize;i++){ |
184 | fTrack[i] = new AliHLTTPCHoughTrack(); |
185 | fIsPresent[i] = kTRUE; |
186 | } |
187 | break; |
188 | #endif |
189 | case 'm': |
190 | for(Int_t i=0;i<fSize;i++){ |
191 | fTrack[i] = new AliHLTTPCModelTrack(); |
192 | fIsPresent[i] = kTRUE; |
193 | } |
194 | break; |
195 | default: |
196 | return kFALSE; |
197 | } |
198 | return kTRUE; |
199 | } |
200 | AliHLTTPCTrack **tmp = new AliHLTTPCTrack*[fSize]; |
201 | Bool_t *pre = new Bool_t[fSize]; |
202 | for(Int_t i=0; i<fSize;i++){ |
203 | tmp[i] = fTrack[i]; |
204 | pre[i] = fIsPresent[i]; |
205 | } |
206 | delete[] fTrack; |
207 | delete[] fIsPresent; |
208 | fTrack = new AliHLTTPCTrack*[newsize]; |
209 | fIsPresent = new Bool_t[newsize]; |
210 | for(Int_t i=0; i<fSize;i++){ |
211 | fTrack[i] = tmp[i]; |
212 | fIsPresent[i] = pre[i]; |
213 | } |
214 | delete[] tmp; |
215 | delete[] pre; |
216 | switch(fTrackType){ |
217 | case 't': |
218 | for(Int_t i=fSize;i<newsize;i++){ |
219 | fTrack[i] = new AliHLTTPCTrack(); |
220 | fIsPresent[i] = kTRUE; |
221 | } |
222 | break; |
223 | case 'c': |
224 | for(Int_t i=fSize;i<newsize;i++){ |
225 | fTrack[i] = new AliHLTTPCConfMapTrack(); |
226 | fIsPresent[i] = kTRUE; |
227 | } |
228 | break; |
229 | #ifdef INCLUDE_TPC_HOUGH |
230 | case 'h': |
231 | for(Int_t i=fSize;i<newsize;i++){ |
232 | fTrack[i] = new AliHLTTPCHoughTrack(); |
233 | fIsPresent[i] = kTRUE; |
234 | } |
235 | break; |
236 | #endif |
237 | case 'm': |
238 | for(Int_t i=fSize;i<newsize;i++){ |
239 | fTrack[i] = new AliHLTTPCModelTrack(); |
240 | fIsPresent[i] = kTRUE; |
241 | } |
242 | break; |
243 | default: |
244 | return kFALSE; |
245 | } |
246 | fSize = newsize; |
247 | return kTRUE; |
248 | } |
249 | |
250 | void AliHLTTPCTrackArray::Reset() |
251 | { |
252 | //reset |
253 | fNTracks=0; |
254 | fNAbsent=0; |
255 | for(Int_t i=0; i<fSize;i++) |
256 | fIsPresent[i] = kTRUE; |
257 | } |
258 | |
259 | void AliHLTTPCTrackArray::Remove(Int_t track) |
260 | { |
261 | //remove track |
262 | if(fIsPresent[track]){ |
263 | fIsPresent[track]=kFALSE; |
264 | fNAbsent++; |
265 | } |
266 | } |
267 | |
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268 | void AliHLTTPCTrackArray::FillTracks(Int_t ntracks, AliHLTTPCTrackSegmentData* tr,Int_t slice, Int_t bTransform) |
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269 | { |
270 | //Read tracks from shared memory (or memory) |
271 | AliHLTTPCTrackSegmentData *trs = tr; |
272 | for(Int_t i=0; i<ntracks; i++){ |
273 | AliHLTTPCTrack *track = NextTrack(); |
274 | track->SetPt(trs->fPt); |
275 | track->SetPterr(trs->fPterr); |
276 | Float_t psi[1]; |
277 | psi[0]=trs->fPsi; |
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278 | if (slice>=0 && bTransform!=0) { |
279 | AliHLTTPCTransform::Local2GlobalAngle(psi,slice); |
280 | } |
281 | //cout << "psi " << psi[0] << endl; |
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282 | track->SetPsi(psi[0]); |
283 | track->SetTgl(trs->fTgl); |
284 | track->SetPsierr(trs->fPsierr); |
285 | track->SetTglerr(trs->fTglerr); |
286 | track->SetNHits(trs->fNPoints); |
287 | track->SetCharge(trs->fCharge); |
288 | Float_t first[3]; |
289 | first[0]=trs->fX;first[1]=trs->fY;first[2]=trs->fZ; |
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290 | if (slice>=0 && bTransform!=0) { |
291 | AliHLTTPCTransform::Local2Global(first,slice); |
292 | } |
293 | //cout << "first point: " << first[0] << " " << first[1] << " " << first[3] << endl; |
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294 | track->SetFirstPoint(first[0],first[1],first[2]); |
295 | Float_t last[3]; |
296 | last[0]=trs->fLastX;last[1]=trs->fLastY;last[2]=trs->fLastZ; |
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297 | if (slice>=0 && bTransform!=0) { |
298 | AliHLTTPCTransform::Local2Global(last,slice); |
299 | } |
300 | //cout << "last point: " << last[0] << " " << last[1] << " " << last[3] << endl; |
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301 | track->SetLastPoint(last[0],last[1],last[2]); |
302 | track->SetHits( trs->fNPoints, trs->fPointIDs ); |
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303 | |
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304 | //if (slice>=0 && bTransform!=0) { |
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305 | // Matthias Feb07: as everything is now in global coordinates, sector should |
306 | // be set to 0. But as the display does a check on the sector, we have to set |
307 | // it to the slice no. I suspect, that the transformation is done twice. |
308 | //track->SetSector(0); |
309 | track->SetSector(slice); |
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310 | //} else { |
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311 | // the parameters are in local coordinates, set the sector no |
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312 | //#ifndef INCLUDE_TPC_HOUGH |
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313 | //if (slice<0) track->SetSector(0); |
314 | //else track->SetSector(slice); |
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315 | //#else |
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316 | // Matthias Feb 2007: this is some kind of legacy ... |
317 | // the INCLUDE_TPC_HOUGH has never been switched on in the new TPCLib |
318 | // and this line was below in the corresponding block. As the slice |
319 | // parameter is very useful but not available if the define is off |
320 | // we distinguish the two cases here. Should be cleaned up. |
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321 | // Matthias April 2007: update, try to integrate Cvetans Hough tracker |
322 | // so we need the support for the AliHLTTPCHoughTrack. I dont have the |
323 | // full control of this code (should we use slice or trs->fSector?) |
324 | // But the FillTracks method is never called from the hough code, so we |
325 | // take 'slice' |
326 | if (GetTrackType()=='h') { |
327 | AliErrorClassStream() << "FillTracks was never used with AliHLTTPCHoughTrack:" |
328 | << " CHECK THIS CODE!!!" << endl; |
329 | } |
330 | //track->SetSector(trs->fSector); |
331 | //#endif // INCLUDE_TPC_HOUGH |
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332 | //} |
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333 | |
334 | // this is currently a quick hack for straight lines of the first version |
335 | // of the CA tracker. |
336 | // we have to think about a more general way of treating straight and curved |
337 | // tracks |
338 | if ( trs->fPt == -9876.0 || trs->fPt == -1.0) { |
339 | track->SetPhi0(atan2(first[1],first[0])); |
340 | track->SetKappa(1.0); |
341 | track->SetRadius(999999.0); |
342 | } else { |
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343 | // Matthias Feb07: just tried to take this away, but this causes the tracks |
344 | // in the display not to be drawn. But we still have to tink about this. |
345 | track->CalculateHelix(); |
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346 | } |
347 | |
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348 | #ifdef INCLUDE_TPC_HOUGH |
349 | #ifdef ROWHOUGHPARAMS |
350 | if(GetTrackType()=='h') { |
351 | ((AliHLTTPCHoughTrack *)track)->SetWeight(trs->fWeight); |
352 | ((AliHLTTPCHoughTrack *)track)->SetBinXY(trs->fBinX,trs->fBinY,trs->fBinXSize,trs->fBinYSize); |
353 | } |
354 | track->SetMCid(trs->fTrackID); |
355 | track->SetRowRange(trs->fRowRange1,trs->fRowRange2); |
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356 | track->SetPID(trs->fPID); |
357 | #endif |
358 | #endif // INCLUDE_TPC_HOUGH |
359 | UChar_t *tmpP = (UChar_t*)trs; |
360 | tmpP += sizeof(AliHLTTPCTrackSegmentData)+trs->fNPoints*sizeof(UInt_t); |
361 | trs = (AliHLTTPCTrackSegmentData*)tmpP; |
362 | } |
363 | } |
364 | |
365 | UInt_t AliHLTTPCTrackArray::GetOutSize() |
366 | { |
367 | //get size for IO |
368 | UInt_t count = GetOutCount(); //use only present tracks |
369 | UInt_t tHits = 0; |
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) //use only present tracks |
373 | tHits += track->GetNHits(); |
374 | } |
375 | |
376 | //calculate size of track |
377 | return count*sizeof(AliHLTTPCTrackSegmentData)+sizeof(UInt_t)*tHits; |
378 | } |
379 | |
380 | UInt_t AliHLTTPCTrackArray::WriteTracks(UInt_t & ntracks,AliHLTTPCTrackSegmentData* tr) |
381 | { |
382 | //write tracks |
383 | ntracks = GetOutCount(); |
384 | return WriteTracks(tr); |
385 | } |
386 | |
387 | UInt_t AliHLTTPCTrackArray::WriteTracks(AliHLTTPCTrackSegmentData* tr) |
388 | { |
389 | //if(GetTrackType()=='c') return WriteConfMapTracks(tr); |
390 | AliHLTTPCTrackSegmentData *tP = tr; |
391 | UInt_t *pP; |
392 | UInt_t size = 0; |
393 | for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks |
394 | AliHLTTPCTrack *track = GetCheckedTrack(i); //use only present tracks |
395 | if(!track) continue; //use only present tracks |
396 | tP->fX = track->GetFirstPointX(); |
397 | tP->fY = track->GetFirstPointY(); |
398 | tP->fZ = track->GetFirstPointZ(); |
399 | tP->fPt = track->GetPt(); |
400 | tP->fPterr = track->GetPterr(); |
401 | tP->fLastX = track->GetLastPointX(); |
402 | tP->fLastY = track->GetLastPointY(); |
403 | tP->fLastZ = track->GetLastPointZ(); |
404 | tP->fPsi = track->GetPsi(); |
405 | tP->fTgl = track->GetTgl(); |
406 | tP->fPsierr = track->GetPsierr(); |
407 | tP->fTglerr = track->GetTglerr(); |
408 | tP->fCharge = track->GetCharge(); |
409 | tP->fNPoints = track->GetNHits(); |
410 | #ifdef INCLUDE_TPC_HOUGH |
411 | #ifdef ROWHOUGHPARAMS |
412 | if(GetTrackType()=='h') { |
413 | tP->fWeight = ((AliHLTTPCHoughTrack *)track)->GetWeight(); |
414 | tP->fBinX = ((AliHLTTPCHoughTrack *)track)->GetBinX(); |
415 | tP->fBinY = ((AliHLTTPCHoughTrack *)track)->GetBinY(); |
416 | tP->fBinXSize = ((AliHLTTPCHoughTrack *)track)->GetSizeX(); |
417 | tP->fBinYSize = ((AliHLTTPCHoughTrack *)track)->GetSizeY(); |
418 | } |
419 | tP->fTrackID = track->GetMCid(); |
420 | tP->fRowRange1 = track->GetFirstRow(); |
421 | tP->fRowRange2 = track->GetLastRow(); |
422 | tP->fSector = track->GetSector(); |
423 | tP->fPID = track->GetPID(); |
424 | #endif |
425 | #endif // INCLUDE_TPC_HOUGH |
426 | pP = (UInt_t*)track->GetHitNumbers(); |
427 | for (UInt_t j=0;j<tP->fNPoints;j++){ |
428 | tP->fPointIDs[j] = pP[j]; |
429 | } |
430 | Byte_t *tmpP = (Byte_t *)tP; |
431 | tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t); |
432 | size += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t); |
433 | tP = (AliHLTTPCTrackSegmentData*)tmpP; |
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434 | |
db16520a |
435 | // LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::WriteTracks","TRACKPARAMETER") <<ENDLOG; |
436 | // track->Rotate(0,kFALSE); |
437 | // track->Print(); |
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438 | |
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439 | } |
440 | return size; |
441 | } |
442 | |
443 | UInt_t AliHLTTPCTrackArray::WriteConfMapTracks(AliHLTTPCTrackSegmentData* tr) |
444 | { |
445 | // use first and last point objects |
446 | AliHLTTPCTrackSegmentData *tP = tr; |
447 | UInt_t *pP; |
448 | UInt_t size = 0; |
449 | for(Int_t i=0; i<fNTracks; i++){ //loop over all tracks |
450 | AliHLTTPCConfMapTrack *track =(AliHLTTPCConfMapTrack *) GetCheckedTrack(i); //use only present tracks |
451 | if(!track) continue; //use only present tracks |
452 | AliHLTTPCConfMapPoint *hit = (AliHLTTPCConfMapPoint*)track->GetLastHit(); |
453 | AliHLTTPCConfMapPoint *lastHit = (AliHLTTPCConfMapPoint*)track->GetFirstHit(); |
454 | tP->fX = hit->GetX(); |
455 | tP->fY = hit->GetY(); |
456 | tP->fZ = hit->GetZ(); |
457 | tP->fLastX = lastHit->GetX(); |
458 | tP->fLastY = lastHit->GetY(); |
459 | tP->fLastZ = lastHit->GetZ(); |
460 | |
461 | // tP->fX = track->GetFirstPointX(); |
462 | // tP->fY = track->GetFirstPointY(); |
463 | // tP->fZ = track->GetFirstPointZ(); |
464 | tP->fPt = track->GetPt(); |
465 | tP->fPterr = track->GetPterr(); |
466 | // tP->fLastX = track->GetLastPointX(); |
467 | // tP->fLastY = track->GetLastPointY(); |
468 | // tP->fLastZ = track->GetLastPointZ(); |
469 | tP->fPsi = track->GetPsi(); |
470 | tP->fTgl = track->GetTgl(); |
471 | tP->fPsierr = track->GetPsierr(); |
472 | tP->fTglerr = track->GetTglerr(); |
473 | tP->fCharge = track->GetCharge(); |
474 | #ifdef INCLUDE_TPC_HOUGH |
475 | #ifdef ROWHOUGHPARAMS |
476 | tP->fTrackID = track->GetMCid(); |
477 | tP->fRowRange1 = track->GetFirstRow(); |
478 | tP->fRowRange2 = track->GetLastRow(); |
479 | tP->fSector = track->GetSector(); |
480 | tP->fPID = track->GetPID(); |
481 | #endif |
482 | #endif // INCLUDE_TPC_HOUGH |
483 | tP->fNPoints = track->GetNHits(); |
484 | pP = (UInt_t*)track->GetHitNumbers(); |
485 | for (UInt_t j=0;j<tP->fNPoints;j++){ |
486 | tP->fPointIDs[j] = pP[j]; |
487 | } |
488 | Byte_t *tmpP = (Byte_t *)tP; |
489 | tmpP += sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t); |
490 | size +=sizeof(AliHLTTPCTrackSegmentData)+tP->fNPoints*sizeof(UInt_t); |
491 | tP = (AliHLTTPCTrackSegmentData*)tmpP; |
492 | } |
493 | return size; |
494 | } |
495 | |
496 | void AliHLTTPCTrackArray::AddLast(AliHLTTPCTrack *track) |
497 | { |
498 | //add track to last position |
499 | AliHLTTPCTrack *tpt = NextTrack(); |
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500 | tpt->Copy(track); |
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501 | |
502 | } |
503 | |
504 | void AliHLTTPCTrackArray::AddTracks(AliHLTTPCTrackArray *newtrack,Bool_t remove_old,Int_t slice) |
505 | { |
506 | //add tracks |
507 | if(GetTrackType() != newtrack->GetTrackType() && GetTrackType()!='t') |
508 | { |
509 | LOG(AliHLTTPCLog::kError,"AliHLTTPCTrackArray::AddTracks","Track types") |
510 | <<"Bad idea to add tracks of different types"<<ENDLOG; |
511 | return; |
512 | } |
513 | if(fSize < fNTracks+newtrack->GetNPresent()) |
514 | SetSize(fSize+newtrack->GetSize()); |
515 | for(Int_t i =0;i<newtrack->GetNTracks();i++){ |
516 | AliHLTTPCTrack *tpt = newtrack->GetCheckedTrack(i); |
517 | if(!tpt) continue; |
518 | if(remove_old) |
519 | newtrack->Remove(i); |
520 | AliHLTTPCTrack *track = NextTrack(); |
3cde846d |
521 | track->Copy(tpt); |
a6c02c85 |
522 | if(slice>=0) |
523 | track->Rotate(slice); //Rotate track to global coordinates |
524 | /* |
525 | AliHLTTPCTrack *track; |
526 | #ifdef INCLUDE_TPC_HOUGH |
527 | if(GetTrackType()=='h') |
528 | track = (AliHLTTPCHoughTrack*)NextTrack(); |
529 | else |
530 | #endif |
531 | track = NextTrack(); |
3cde846d |
532 | track->Copy(tpt); |
a6c02c85 |
533 | */ |
534 | } |
535 | } |
536 | |
537 | void AliHLTTPCTrackArray::Compress() |
538 | { |
539 | //compress array |
540 | if(GetNPresent()==GetNTracks()) return; |
541 | AliHLTTPCTrack **tmp = new AliHLTTPCTrack *[fNTracks]; |
542 | Int_t present=0; |
543 | Int_t absent=GetNPresent(); |
544 | for(Int_t i=0;i<GetNTracks();i++){ |
545 | if(fIsPresent[i]) tmp[present++] = fTrack[i]; |
546 | else tmp[absent++] = fTrack[i]; |
547 | } |
548 | for(Int_t i=0;i<GetNTracks();i++) |
549 | fIsPresent[i]=kTRUE; |
550 | |
551 | //Copy pointers back |
552 | for(Int_t i=0; i<GetNTracks();i++){ |
553 | fTrack[i]=tmp[i]; |
554 | } |
555 | |
556 | delete[] tmp; |
557 | |
558 | fNTracks = GetNPresent(); |
559 | fNAbsent = 0; |
560 | } |
561 | |
562 | void AliHLTTPCTrackArray::QSort() |
563 | { |
564 | // compress and sort |
565 | Compress(); |
566 | QSort(fTrack,0,fNTracks); |
567 | } |
568 | |
569 | void AliHLTTPCTrackArray::QSort( AliHLTTPCTrack **a, Int_t first, Int_t last) |
570 | { |
571 | // Sort array of AliHLTTPCTrack pointers using a quicksort algorithm. |
572 | // Uses TrackCompare() to compare objects. |
573 | // Thanks to Root! |
574 | |
575 | static AliHLTTPCTrack *tmp; |
576 | static int i; // "static" to save stack space |
577 | int j; |
578 | |
579 | while (last - first > 1) { |
580 | i = first; |
581 | j = last; |
582 | for (;;) { |
583 | while (++i < last && TrackCompare(a[i], a[first]) < 0) |
584 | ; |
585 | while (--j > first && TrackCompare(a[j], a[first]) > 0) |
586 | ; |
587 | if (i >= j) |
588 | break; |
589 | |
590 | tmp = a[i]; |
591 | a[i] = a[j]; |
592 | a[j] = tmp; |
593 | } |
594 | if (j == first) { |
595 | ++first; |
596 | continue; |
597 | } |
598 | tmp = a[first]; |
599 | a[first] = a[j]; |
600 | a[j] = tmp; |
601 | if (j - first < last - (j + 1)) { |
602 | QSort(a, first, j); |
603 | first = j + 1; // QSort(j + 1, last); |
604 | } else { |
605 | QSort(a, j + 1, last); |
606 | last = j; // QSort(first, j); |
607 | } |
608 | } |
609 | } |
610 | |
611 | Int_t AliHLTTPCTrackArray::TrackCompare(AliHLTTPCTrack *a, AliHLTTPCTrack *b) const |
612 | { |
613 | // Compare the two tracks. |
614 | |
615 | return b->Compare(a); |
616 | |
617 | /* |
618 | #ifdef INCLUDE_TPC_HOUGH |
619 | if(fTrackType=='h') |
620 | { |
621 | AliHLTTPCHoughTrack *tra = (AliHLTTPCHoughTrack*)a; |
622 | AliHLTTPCHoughTrack *trb = (AliHLTTPCHoughTrack*)b; |
623 | if(tra->GetWeight() < trb->GetWeight()) return 1; |
624 | if(tra->GetWeight() > trb->GetWeight()) return -1; |
625 | } |
626 | else |
627 | #endif |
628 | { |
629 | if(a->GetNHits() < b->GetNHits()) return 1; |
630 | if(a->GetNHits() > b->GetNHits()) return -1; |
631 | } |
632 | |
633 | return 0; |
634 | */ |
635 | } |
636 | |
3cde846d |
637 | AliHLTTPCTrack* AliHLTTPCTrackArray::operator[](int index) |
638 | { |
4fdaad1e |
639 | // access operator |
3cde846d |
640 | if (index<fNTracks) return fTrack[index]; |
641 | return NULL; |
642 | } |