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d15a28e7 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
702ab87e | 16 | |
17 | /* History of cvs commits: | |
18 | * | |
19 | * $Log$ | |
9ee9f78d | 20 | * Revision 1.86 2007/04/02 15:00:16 cvetan |
21 | * No more calls to gAlice in the reconstruction | |
22 | * | |
999f9a8f | 23 | * Revision 1.85 2007/03/28 19:18:15 kharlov |
24 | * RecPoints recalculation in TSM removed | |
25 | * | |
8c1fb709 | 26 | * Revision 1.84 2007/03/07 07:01:21 hristov |
27 | * Fixing copy/paste erro. Additional protections | |
28 | * | |
b89c16b2 | 29 | * Revision 1.83 2007/03/06 21:07:37 kharlov |
30 | * DP: xz CPV-EMC distance filled to TS | |
31 | * | |
d7ddbb70 | 32 | * Revision 1.82 2007/03/06 06:54:48 kharlov |
33 | * DP:Calculation of cluster properties dep. on vertex added | |
34 | * | |
e84d3def | 35 | * Revision 1.81 2007/02/05 10:02:40 kharlov |
36 | * Module numbering is corrected | |
37 | * | |
a2ee5b34 | 38 | * Revision 1.80 2006/08/28 10:01:56 kharlov |
39 | * Effective C++ warnings fixed (Timur Pocheptsov) | |
40 | * | |
3663622c | 41 | * Revision 1.79 2006/04/25 12:41:15 hristov |
42 | * Moving non-persistent data to AliESDfriend (Yu.Belikov) | |
43 | * | |
15e85efa | 44 | * Revision 1.78 2005/11/18 13:04:51 hristov |
45 | * Bug fix | |
46 | * | |
a494460a | 47 | * Revision 1.77 2005/11/17 23:34:36 hristov |
48 | * Corrected logics | |
49 | * | |
f74a631d | 50 | * Revision 1.76 2005/11/17 22:29:12 hristov |
51 | * Faster version, no attempt to match tracks outside the PHOS acceptance | |
52 | * | |
0d9aa319 | 53 | * Revision 1.75 2005/11/17 12:35:27 hristov |
54 | * Use references instead of objects. Avoid to create objects when they are not really needed | |
55 | * | |
7b51037f | 56 | * Revision 1.74 2005/07/08 14:01:36 hristov |
57 | * Tracking in non-uniform nmagnetic field (Yu.Belikov) | |
58 | * | |
c84a5e9e | 59 | * Revision 1.73 2005/05/28 14:19:05 schutz |
60 | * Compilation warnings fixed by T.P. | |
61 | * | |
702ab87e | 62 | */ |
63 | ||
d15a28e7 | 64 | //_________________________________________________________________________ |
b2a60966 | 65 | // Implementation version 1 of algorithm class to construct PHOS track segments |
f035f6ce | 66 | // Track segment for PHOS is list of |
194f9939 | 67 | // EMC RecPoint + (possibly) CPV RecPoint |
a4e98857 | 68 | // To find TrackSegments we do the following: |
69 | // for each EMC RecPoints we look at | |
194f9939 | 70 | // CPV RecPoints in the radious fRcpv. |
a4e98857 | 71 | // If there is such a CPV RecPoint, |
194f9939 | 72 | // we make "Link" it is just indexes of EMC and CPV RecPoint and distance |
a4e98857 | 73 | // between them in the PHOS plane. |
74 | // Then we sort "Links" and starting from the | |
75 | // least "Link" pointing to the unassined EMC and CPV RecPoints assing them to | |
76 | // new TrackSegment. | |
194f9939 | 77 | // If there is no CPV RecPoint we make TrackSegment |
a4e98857 | 78 | // consisting from EMC alone. There is no TrackSegments without EMC RecPoint. |
f444a19f | 79 | //// In principle this class should be called from AliPHOSReconstructor, but |
a4e98857 | 80 | // one can use it as well in standalone mode. |
81 | // Use case: | |
fc12304f | 82 | // root [0] AliPHOSTrackSegmentMakerv1 * t = new AliPHOSTrackSegmentMaker("galice.root", "tracksegmentsname", "recpointsname") |
a4e98857 | 83 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated |
fc12304f | 84 | // // reads gAlice from header file "galice.root", uses recpoints stored in the branch names "recpointsname" (default = "Default") |
85 | // // and saves recpoints in branch named "tracksegmentsname" (default = "recpointsname") | |
a4e98857 | 86 | // root [1] t->ExecuteTask() |
a4e98857 | 87 | // root [3] t->SetTrackSegmentsBranch("max distance 5 cm") |
88 | // root [4] t->ExecuteTask("deb all time") | |
f035f6ce | 89 | // |
fc12304f | 90 | //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH) & Yves Schutz (SUBATECH) |
b2a60966 | 91 | // |
d15a28e7 | 92 | |
93 | // --- ROOT system --- | |
2731cd1e | 94 | #include "TTree.h" |
2731cd1e | 95 | #include "TBenchmark.h" |
d15a28e7 | 96 | |
21cd0c07 | 97 | // --- Standard library --- |
194f9939 | 98 | #include "Riostream.h" |
d15a28e7 | 99 | // --- AliRoot header files --- |
e957fea8 | 100 | #include "AliPHOSGeometry.h" |
d15a28e7 | 101 | #include "AliPHOSTrackSegmentMakerv1.h" |
102 | #include "AliPHOSTrackSegment.h" | |
103 | #include "AliPHOSLink.h" | |
7b7c1533 | 104 | #include "AliPHOSGetter.h" |
aa0b9641 | 105 | #include "AliESD.h" |
106 | #include "AliESDtrack.h" | |
d15a28e7 | 107 | |
108 | ClassImp( AliPHOSTrackSegmentMakerv1) | |
109 | ||
110 | ||
111 | //____________________________________________________________________________ | |
3663622c | 112 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1() : |
113 | AliPHOSTrackSegmentMaker(), | |
114 | fDefaultInit(kTRUE), | |
115 | fWrite(kFALSE), | |
116 | fNTrackSegments(0), | |
117 | fRcpv(0.f), | |
118 | fRtpc(0.f), | |
119 | fLinkUpArray(0), | |
120 | fEmcFirst(0), | |
121 | fEmcLast(0), | |
122 | fCpvFirst(0), | |
123 | fCpvLast(0), | |
124 | fModule(0), | |
125 | fTrackSegmentsInRun(0) | |
126 | ||
d15a28e7 | 127 | { |
7b7c1533 | 128 | // default ctor (to be used mainly by Streamer) |
8d0f3f77 | 129 | InitParameters() ; |
d15a28e7 | 130 | } |
7b7c1533 | 131 | |
9f616d61 | 132 | //____________________________________________________________________________ |
3663622c | 133 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const TString & alirunFileName, const TString & eventFolderName) : |
134 | AliPHOSTrackSegmentMaker(alirunFileName, eventFolderName), | |
135 | fDefaultInit(kFALSE), | |
136 | fWrite(kFALSE), | |
137 | fNTrackSegments(0), | |
138 | fRcpv(0.f), | |
139 | fRtpc(0.f), | |
140 | fLinkUpArray(0), | |
141 | fEmcFirst(0), | |
142 | fEmcLast(0), | |
143 | fCpvFirst(0), | |
144 | fCpvLast(0), | |
145 | fModule(0), | |
146 | fTrackSegmentsInRun(0) | |
2731cd1e | 147 | { |
148 | // ctor | |
8d0f3f77 | 149 | InitParameters() ; |
7b7c1533 | 150 | Init() ; |
aa0b9641 | 151 | fESD = 0; |
2731cd1e | 152 | } |
98cbd830 | 153 | |
3663622c | 154 | |
155 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) : | |
156 | AliPHOSTrackSegmentMaker(tsm), | |
157 | fDefaultInit(kFALSE), | |
158 | fWrite(kFALSE), | |
159 | fNTrackSegments(0), | |
160 | fRcpv(0.f), | |
161 | fRtpc(0.f), | |
162 | fLinkUpArray(0), | |
163 | fEmcFirst(0), | |
164 | fEmcLast(0), | |
165 | fCpvFirst(0), | |
166 | fCpvLast(0), | |
167 | fModule(0), | |
168 | fTrackSegmentsInRun(0) | |
169 | { | |
170 | // cpy ctor: no implementation yet | |
171 | // requested by the Coding Convention | |
172 | Fatal("cpy ctor", "not implemented") ; | |
173 | } | |
174 | ||
175 | ||
2731cd1e | 176 | //____________________________________________________________________________ |
177 | AliPHOSTrackSegmentMakerv1::~AliPHOSTrackSegmentMakerv1() | |
178 | { | |
179 | // dtor | |
92f521a9 | 180 | // fDefaultInit = kTRUE if TrackSegmentMaker created by default ctor (to get just the parameters) |
88cb7938 | 181 | if (!fDefaultInit) |
182 | delete fLinkUpArray ; | |
d15a28e7 | 183 | } |
9f616d61 | 184 | |
8d0f3f77 | 185 | |
fc12304f | 186 | //____________________________________________________________________________ |
187 | const TString AliPHOSTrackSegmentMakerv1::BranchName() const | |
188 | { | |
88cb7938 | 189 | |
190 | return GetName() ; | |
fc12304f | 191 | } |
192 | ||
d15a28e7 | 193 | //____________________________________________________________________________ |
2731cd1e | 194 | void AliPHOSTrackSegmentMakerv1::FillOneModule() |
9f616d61 | 195 | { |
f035f6ce | 196 | // Finds first and last indexes between which |
197 | // clusters from one PHOS module are | |
88cb7938 | 198 | |
199 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
fc12304f | 200 | |
fbf811ec | 201 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
202 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
9688c1dd | 203 | |
2731cd1e | 204 | //First EMC clusters |
7b7c1533 | 205 | Int_t totalEmc = emcRecPoints->GetEntriesFast() ; |
2731cd1e | 206 | for(fEmcFirst = fEmcLast; (fEmcLast < totalEmc) && |
29b077b5 | 207 | ((dynamic_cast<AliPHOSRecPoint *>(emcRecPoints->At(fEmcLast)))->GetPHOSMod() == fModule ); |
2731cd1e | 208 | fEmcLast ++) ; |
209 | ||
2731cd1e | 210 | //Now CPV clusters |
7b7c1533 | 211 | Int_t totalCpv = cpvRecPoints->GetEntriesFast() ; |
6ad0bfa0 | 212 | |
2731cd1e | 213 | for(fCpvFirst = fCpvLast; (fCpvLast < totalCpv) && |
88cb7938 | 214 | ((dynamic_cast<AliPHOSRecPoint *>(cpvRecPoints->At(fCpvLast)))->GetPHOSMod() == fModule ); |
215 | fCpvLast ++) ; | |
9688c1dd | 216 | |
d15a28e7 | 217 | } |
7b7c1533 | 218 | |
d15a28e7 | 219 | //____________________________________________________________________________ |
e84d3def | 220 | void AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * emcClu, |
221 | AliPHOSCpvRecPoint * cpvClu, | |
222 | Int_t &trackindex, | |
223 | Float_t &dx, Float_t &dz) const | |
d15a28e7 | 224 | { |
194f9939 | 225 | // Calculates the distance between the EMC RecPoint and the CPV RecPoint |
a4e98857 | 226 | // Clusters are sorted in "rows" and "columns" of width 1 cm |
f035f6ce | 227 | |
e84d3def | 228 | // Float_t delta = 1 ; // Width of the rows in sorting of RecPoints (in cm) |
229 | // // if you change this value, change it as well in xxxRecPoint::Compare() | |
743cb288 | 230 | Float_t distance2Track = fRtpc ; |
194f9939 | 231 | |
232 | trackindex = -1 ; // closest track within fRCpv | |
233 | ||
aa0b9641 | 234 | TVector3 vecEmc ; // Local position of EMC recpoint |
e84d3def | 235 | TVector3 vecP ; // Momentum direction at CPV plain |
236 | TVector3 vecPloc ; // Momentum direction at CPV plain | |
2731cd1e | 237 | |
194f9939 | 238 | //toofar = kTRUE ; |
e84d3def | 239 | if(emcClu->GetPHOSMod() != cpvClu->GetPHOSMod()){ |
240 | dx=999. ; | |
241 | dz=999. ; | |
242 | return ; | |
243 | } | |
244 | ||
245 | emcClu->GetLocalPosition(vecEmc) ; | |
2731cd1e | 246 | |
e84d3def | 247 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
248 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
194f9939 | 249 | |
e84d3def | 250 | Double_t xCPV,zCPV ; //EMC-projected coordinates of CPV cluster |
251 | TVector3 cpvGlobal; // Global position of the CPV recpoint | |
9ee9f78d | 252 | geom->GetGlobalPHOS((AliPHOSRecPoint*)cpvClu,cpvGlobal); |
e84d3def | 253 | Double_t vtxCPV[3]={cpvGlobal.X(),cpvGlobal.Y(),cpvGlobal.Z()} ; |
254 | ||
255 | if (fESD == 0x0) { | |
256 | //if no track information available, assume straight line from IP to emcal | |
257 | Int_t dummyMod ; | |
258 | geom->ImpactOnEmc(vtxCPV,cpvGlobal.Theta(),cpvGlobal.Phi(),dummyMod,xCPV,zCPV) ; | |
259 | dx=xCPV - vecEmc.X() ; | |
260 | dz=zCPV - vecEmc.Z() ; | |
261 | return ; | |
262 | } | |
263 | ||
264 | //if there is ESD try to correct distance using TPC information on particle direct in CPV | |
265 | if (fESD != 0x0) { | |
0d9aa319 | 266 | |
e84d3def | 267 | Double_t rCPV = cpvGlobal.Pt() ;// Radius from IP to current point |
268 | ||
269 | // Extrapolate the global track direction if any to CPV and find the closest track | |
270 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
271 | Int_t iClosestTrack = -1; | |
272 | Double_t minDistance = 1.e6; | |
273 | TVector3 inPHOS ; | |
274 | ||
275 | AliESDtrack *track; | |
276 | Double_t xyz[3] ; | |
277 | Double_t pxyz[3]; | |
278 | for (Int_t iTrack=0; iTrack<nTracks; iTrack++) { | |
279 | track = fESD->GetTrack(iTrack); | |
280 | if (!track->GetXYZAt(rCPV, fESD->GetMagneticField(), xyz)) | |
23904d16 | 281 | continue; //track coord on the cylinder of PHOS radius |
e84d3def | 282 | if ((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0) |
23904d16 | 283 | continue; |
e84d3def | 284 | //Check if this track hits PHOS |
285 | inPHOS.SetXYZ(xyz[0],xyz[1],xyz[2]); | |
286 | distance2Track = inPHOS.Angle(cpvGlobal) ; | |
287 | // Find the closest track to the CPV recpoint | |
288 | if (distance2Track < minDistance) { | |
289 | minDistance = distance2Track; | |
290 | iClosestTrack = iTrack; | |
aa0b9641 | 291 | } |
e84d3def | 292 | } |
aa0b9641 | 293 | |
e84d3def | 294 | if (iClosestTrack != -1) { |
295 | track = fESD->GetTrack(iClosestTrack); | |
296 | if (track->GetPxPyPzAt(rCPV, fESD->GetMagneticField(), pxyz)) { // track momentum ibid. | |
297 | vecP.SetXYZ(pxyz[0],pxyz[1],pxyz[2]); | |
298 | Int_t dummyMod ; | |
299 | geom->ImpactOnEmc(vtxCPV,vecP.Theta(),vecP.Phi(),dummyMod,xCPV,zCPV) ; | |
aa0b9641 | 300 | } |
e84d3def | 301 | } |
194f9939 | 302 | |
e84d3def | 303 | if(minDistance < fRtpc ){ |
304 | trackindex = iClosestTrack ; | |
aa0b9641 | 305 | } |
bfc17d18 | 306 | } |
e84d3def | 307 | if(trackindex!=-1){ |
308 | dx=xCPV - vecEmc.X() ; | |
309 | dz=zCPV - vecEmc.Z() ; | |
310 | } | |
311 | else{ | |
312 | dz=999. ; | |
313 | dx=999. ; | |
314 | } | |
315 | return ; | |
d15a28e7 | 316 | } |
7b7c1533 | 317 | //____________________________________________________________________________ |
318 | void AliPHOSTrackSegmentMakerv1::Init() | |
319 | { | |
320 | // Make all memory allocations that are not possible in default constructor | |
321 | ||
adcca1e6 | 322 | AliPHOSGetter* gime = AliPHOSGetter::Instance(); |
323 | if(!gime) | |
324 | gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
fbf811ec | 325 | |
7b7c1533 | 326 | fLinkUpArray = new TClonesArray("AliPHOSLink", 1000); |
88cb7938 | 327 | if ( !gime->TrackSegmentMaker() ) { |
328 | gime->PostTrackSegmentMaker(this); | |
329 | } | |
7b7c1533 | 330 | } |
331 | ||
8d0f3f77 | 332 | //____________________________________________________________________________ |
333 | void AliPHOSTrackSegmentMakerv1::InitParameters() | |
334 | { | |
e957fea8 | 335 | //Initializes parameters |
743cb288 | 336 | fRcpv = 10. ; |
337 | fRtpc = 4. ; | |
8d0f3f77 | 338 | fEmcFirst = 0 ; |
339 | fEmcLast = 0 ; | |
340 | fCpvFirst = 0 ; | |
341 | fCpvLast = 0 ; | |
342 | fLinkUpArray = 0 ; | |
adcca1e6 | 343 | fWrite = kTRUE ; |
88cb7938 | 344 | fTrackSegmentsInRun = 0 ; |
eabde521 | 345 | SetEventRange(0,-1) ; |
8d0f3f77 | 346 | } |
347 | ||
348 | ||
d15a28e7 | 349 | //____________________________________________________________________________ |
baef0810 | 350 | void AliPHOSTrackSegmentMakerv1::MakeLinks()const |
d15a28e7 | 351 | { |
194f9939 | 352 | // Finds distances (links) between all EMC and CPV clusters, |
fbf811ec | 353 | // which are not further apart from each other than fRcpv |
f035f6ce | 354 | // and sort them in accordance with this distance |
9688c1dd | 355 | |
88cb7938 | 356 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
fbf811ec | 357 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
358 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 359 | |
2731cd1e | 360 | fLinkUpArray->Clear() ; |
2731cd1e | 361 | |
2bb500e5 | 362 | AliPHOSCpvRecPoint * cpv ; |
92862013 | 363 | AliPHOSEmcRecPoint * emcclu ; |
28c3a259 | 364 | |
d15a28e7 | 365 | Int_t iLinkUp = 0 ; |
366 | ||
28c3a259 | 367 | Int_t iEmcRP; |
2731cd1e | 368 | for(iEmcRP = fEmcFirst; iEmcRP < fEmcLast; iEmcRP++ ) { |
29b077b5 | 369 | emcclu = dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP)) ; |
2731cd1e | 370 | |
194f9939 | 371 | //Bool_t toofar ; |
2731cd1e | 372 | Int_t iCpv = 0 ; |
373 | for(iCpv = fCpvFirst; iCpv < fCpvLast;iCpv++ ) { | |
28c3a259 | 374 | |
2bb500e5 | 375 | cpv = dynamic_cast<AliPHOSCpvRecPoint *>(cpvRecPoints->At(iCpv)) ; |
194f9939 | 376 | Int_t track = -1 ; |
e84d3def | 377 | Float_t dx,dz ; |
378 | GetDistanceInPHOSPlane(emcclu, cpv, track,dx,dz) ; | |
379 | if(TMath::Sqrt(dx*dx+dz*dz) < fRcpv ){ | |
380 | new ((*fLinkUpArray)[iLinkUp++]) AliPHOSLink(dx, dz, iEmcRP, iCpv, track) ; | |
28c3a259 | 381 | } |
d15a28e7 | 382 | } |
28c3a259 | 383 | } |
d15a28e7 | 384 | |
9688c1dd | 385 | fLinkUpArray->Sort() ; //first links with smallest distances |
d15a28e7 | 386 | } |
28c3a259 | 387 | |
d15a28e7 | 388 | //____________________________________________________________________________ |
2731cd1e | 389 | void AliPHOSTrackSegmentMakerv1::MakePairs() |
6ad0bfa0 | 390 | { |
f035f6ce | 391 | // Using the previously made list of "links", we found the smallest link - i.e. |
a4e98857 | 392 | // link with the least distance between EMC and CPV and pointing to still |
f035f6ce | 393 | // unassigned RecParticles. We assign these RecPoints to TrackSegment and |
394 | // remove them from the list of "unassigned". | |
88cb7938 | 395 | |
396 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
397 | ||
fbf811ec | 398 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
399 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
88cb7938 | 400 | TClonesArray * trackSegments = gime->TrackSegments(); |
9688c1dd | 401 | |
01a599c9 | 402 | //Make arrays to mark clusters already chosen |
2731cd1e | 403 | Int_t * emcExist = 0; |
404 | if(fEmcLast > fEmcFirst) | |
405 | emcExist = new Int_t[fEmcLast-fEmcFirst] ; | |
406 | ||
407 | Int_t index; | |
408 | for(index = 0; index <fEmcLast-fEmcFirst; index ++) | |
409 | emcExist[index] = 1 ; | |
410 | ||
411 | Bool_t * cpvExist = 0; | |
412 | if(fCpvLast > fCpvFirst) | |
413 | cpvExist = new Bool_t[fCpvLast-fCpvFirst] ; | |
414 | for(index = 0; index <fCpvLast-fCpvFirst; index ++) | |
415 | cpvExist[index] = kTRUE ; | |
416 | ||
2731cd1e | 417 | |
418 | // Finds the smallest links and makes pairs of CPV and EMC clusters with smallest distance | |
2731cd1e | 419 | TIter nextUp(fLinkUpArray) ; |
d15a28e7 | 420 | |
d15a28e7 | 421 | AliPHOSLink * linkUp ; |
9688c1dd | 422 | |
2bb500e5 | 423 | AliPHOSCpvRecPoint * nullpointer = 0 ; |
9688c1dd | 424 | |
29b077b5 | 425 | while ( (linkUp = static_cast<AliPHOSLink *>(nextUp()) ) ){ |
9688c1dd | 426 | |
194f9939 | 427 | if(emcExist[linkUp->GetEmc()-fEmcFirst] != -1){ |
d15a28e7 | 428 | |
194f9939 | 429 | if(cpvExist[linkUp->GetCpv()-fCpvFirst]){ //CPV still exist |
d7ddbb70 | 430 | Float_t dx,dz ; |
431 | linkUp->GetXZ(dx,dz) ; | |
194f9939 | 432 | new ((* trackSegments)[fNTrackSegments]) |
433 | AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(linkUp->GetEmc())) , | |
434 | dynamic_cast<AliPHOSCpvRecPoint *>(cpvRecPoints->At(linkUp->GetCpv())) , | |
d7ddbb70 | 435 | linkUp->GetTrack(),dx,dz) ; |
194f9939 | 436 | |
88cb7938 | 437 | (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments); |
438 | fNTrackSegments++ ; | |
88cb7938 | 439 | emcExist[linkUp->GetEmc()-fEmcFirst] = -1 ; //Mark emc that Cpv was found |
440 | //mark CPV recpoint as already used | |
194f9939 | 441 | cpvExist[linkUp->GetCpv()-fCpvFirst] = kFALSE ; |
442 | } //if CpvUp still exist | |
28c3a259 | 443 | } |
88cb7938 | 444 | } |
28c3a259 | 445 | |
194f9939 | 446 | //look through emc recPoints left without CPV |
2731cd1e | 447 | if(emcExist){ //if there is emc rec point |
448 | Int_t iEmcRP ; | |
449 | for(iEmcRP = 0; iEmcRP < fEmcLast-fEmcFirst ; iEmcRP++ ){ | |
450 | if(emcExist[iEmcRP] > 0 ){ | |
88cb7938 | 451 | new ((*trackSegments)[fNTrackSegments]) |
452 | AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP+fEmcFirst)), | |
453 | nullpointer) ; | |
454 | (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments); | |
455 | fNTrackSegments++; | |
2731cd1e | 456 | } |
d15a28e7 | 457 | } |
d15a28e7 | 458 | } |
780a31c1 | 459 | delete [] emcExist ; |
460 | delete [] cpvExist ; | |
d15a28e7 | 461 | } |
462 | ||
463 | //____________________________________________________________________________ | |
eabde521 | 464 | void AliPHOSTrackSegmentMakerv1::Exec(Option_t *option) |
d15a28e7 | 465 | { |
eabde521 | 466 | // Steering method to perform track segment construction for events |
467 | // in the range from fFirstEvent to fLastEvent. | |
468 | // This range is optionally set by SetEventRange(). | |
469 | // if fLastEvent=-1 (by default), then process events until the end. | |
88cb7938 | 470 | |
2731cd1e | 471 | if(strstr(option,"tim")) |
b3f97575 | 472 | gBenchmark->Start("PHOSTSMaker"); |
7b7c1533 | 473 | |
474 | if(strstr(option,"print")) { | |
88cb7938 | 475 | Print() ; |
7b7c1533 | 476 | return ; |
477 | } | |
88cb7938 | 478 | |
adcca1e6 | 479 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
fb43ada4 | 480 | |
55ea5766 | 481 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
7b7c1533 | 482 | |
0588c896 | 483 | if (fLastEvent == -1) |
484 | fLastEvent = gime->MaxEvent() - 1 ; | |
485 | else | |
486 | fLastEvent = TMath::Min(fFirstEvent,gime->MaxEvent()); | |
eabde521 | 487 | Int_t nEvents = fLastEvent - fFirstEvent + 1; |
01a599c9 | 488 | |
fb43ada4 | 489 | Int_t ievent ; |
490 | for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { | |
e84d3def | 491 | gime->Event(ievent,"DR") ; |
0588c896 | 492 | //Make some initializations |
55ea5766 | 493 | fNTrackSegments = 0 ; |
494 | fEmcFirst = 0 ; | |
495 | fEmcLast = 0 ; | |
496 | fCpvFirst = 0 ; | |
497 | fCpvLast = 0 ; | |
88cb7938 | 498 | |
499 | gime->TrackSegments()->Clear(); | |
55ea5766 | 500 | |
9688c1dd | 501 | // if(!ReadRecPoints(ievent)) continue; //reads RecPoints for event ievent |
502 | ||
88cb7938 | 503 | for(fModule = 1; fModule <= geom->GetNModules() ; fModule++ ) { |
2731cd1e | 504 | FillOneModule() ; |
2731cd1e | 505 | MakeLinks() ; |
2731cd1e | 506 | MakePairs() ; |
2731cd1e | 507 | } |
28c3a259 | 508 | |
90cceaf6 | 509 | WriteTrackSegments() ; |
7b7c1533 | 510 | |
2731cd1e | 511 | if(strstr(option,"deb")) |
88cb7938 | 512 | PrintTrackSegments(option); |
94de8339 | 513 | |
514 | //increment the total number of track segments per run | |
88cb7938 | 515 | fTrackSegmentsInRun += gime->TrackSegments()->GetEntriesFast() ; |
2731cd1e | 516 | } |
88cb7938 | 517 | |
2731cd1e | 518 | if(strstr(option,"tim")){ |
519 | gBenchmark->Stop("PHOSTSMaker"); | |
21cd0c07 | 520 | Info("Exec", "took %f seconds for making TS %f seconds per event", |
88cb7938 | 521 | gBenchmark->GetCpuTime("PHOSTSMaker"), |
eabde521 | 522 | gBenchmark->GetCpuTime("PHOSTSMaker")/nEvents) ; |
88cb7938 | 523 | } |
adcca1e6 | 524 | if(fWrite) //do not unload in "on flight" mode |
525 | Unload(); | |
e84d3def | 526 | } |
88cb7938 | 527 | //____________________________________________________________________________ |
528 | void AliPHOSTrackSegmentMakerv1::Unload() | |
529 | { | |
e957fea8 | 530 | // Unloads the task from the folder |
88cb7938 | 531 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
532 | gime->PhosLoader()->UnloadRecPoints() ; | |
533 | gime->PhosLoader()->UnloadTracks() ; | |
d15a28e7 | 534 | } |
7b7c1533 | 535 | |
d15a28e7 | 536 | //____________________________________________________________________________ |
702ab87e | 537 | void AliPHOSTrackSegmentMakerv1::Print(const Option_t *)const |
a4e98857 | 538 | { |
baef0810 | 539 | // Print TrackSegmentMaker parameters |
540 | ||
21cd0c07 | 541 | TString message("") ; |
7b7c1533 | 542 | if( strcmp(GetName(), "") != 0 ) { |
21cd0c07 | 543 | message = "\n======== AliPHOSTrackSegmentMakerv1 ========\n" ; |
544 | message += "Making Track segments\n" ; | |
545 | message += "with parameters:\n" ; | |
194f9939 | 546 | message += " Maximal EMC - CPV distance (cm) %f\n" ; |
21cd0c07 | 547 | message += "============================================\n" ; |
548 | Info("Print", message.Data(),fRcpv) ; | |
2731cd1e | 549 | } |
550 | else | |
21cd0c07 | 551 | Info("Print", "AliPHOSTrackSegmentMakerv1 not initialized ") ; |
d15a28e7 | 552 | } |
7b7c1533 | 553 | |
d15a28e7 | 554 | //____________________________________________________________________________ |
90cceaf6 | 555 | void AliPHOSTrackSegmentMakerv1::WriteTrackSegments() |
a4e98857 | 556 | { |
f035f6ce | 557 | // Writes found TrackSegments to TreeR. Creates branches |
558 | // "PHOSTS" and "AliPHOSTrackSegmentMaker" with the same title. | |
559 | // In the former branch found TrackSegments are stored, while | |
560 | // in the latter all parameters, with which TS were made. | |
561 | // ROOT does not allow overwriting existing branches, therefore | |
a4e98857 | 562 | // first we check, if branches with the same title already exist. |
f035f6ce | 563 | // If yes - exits without writing. |
88cb7938 | 564 | |
565 | AliPHOSGetter *gime = AliPHOSGetter::Instance() ; | |
55ea5766 | 566 | |
fbf811ec | 567 | TClonesArray * trackSegments = gime->TrackSegments() ; |
55ea5766 | 568 | trackSegments->Expand(trackSegments->GetEntriesFast()) ; |
8d0f3f77 | 569 | |
adcca1e6 | 570 | if(fWrite){ //We write TreeT |
571 | TTree * treeT = gime->TreeT(); | |
572 | ||
573 | //First TS | |
574 | Int_t bufferSize = 32000 ; | |
575 | TBranch * tsBranch = treeT->Branch("PHOSTS",&trackSegments,bufferSize); | |
576 | tsBranch->Fill() ; | |
577 | ||
578 | gime->WriteTracks("OVERWRITE"); | |
579 | gime->WriteTrackSegmentMaker("OVERWRITE"); | |
580 | } | |
2731cd1e | 581 | } |
98cbd830 | 582 | |
98cbd830 | 583 | |
2731cd1e | 584 | //____________________________________________________________________________ |
a4e98857 | 585 | void AliPHOSTrackSegmentMakerv1::PrintTrackSegments(Option_t * option) |
586 | { | |
f035f6ce | 587 | // option deb - prints # of found TrackSegments |
588 | // option deb all - prints as well indexed of found RecParticles assigned to the TS | |
9688c1dd | 589 | |
88cb7938 | 590 | TClonesArray * trackSegments = AliPHOSGetter::Instance()->TrackSegments() ; |
21cd0c07 | 591 | |
88cb7938 | 592 | Info("PrintTrackSegments", "Results from TrackSegmentMaker:") ; |
999f9a8f | 593 | printf("nevent: %d\n", AliPHOSGetter::Instance()->EventNumber()) ; |
88cb7938 | 594 | printf(" Found %d TrackSegments\n", trackSegments->GetEntriesFast() ); |
595 | ||
2731cd1e | 596 | if(strstr(option,"all")) { // printing found TS |
88cb7938 | 597 | printf("TrackSegment # EMC RP# CPV RP#\n") ; |
2731cd1e | 598 | Int_t index; |
7b7c1533 | 599 | for (index = 0 ; index <trackSegments->GetEntriesFast() ; index++) { |
600 | AliPHOSTrackSegment * ts = (AliPHOSTrackSegment * )trackSegments->At(index) ; | |
88cb7938 | 601 | printf(" %d %d %d \n", ts->GetIndexInList(), ts->GetEmcIndex(), ts->GetCpvIndex() ) ; |
2731cd1e | 602 | } |
d15a28e7 | 603 | } |
2731cd1e | 604 | } |