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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 | * $Log$ | |
ddd1a39c | 20 | * Revision 1.90 2007/07/11 13:43:30 hristov |
21 | * New class AliESDEvent, backward compatibility with the old AliESD (Christian) | |
22 | * | |
af885e0f | 23 | * Revision 1.89 2007/07/03 08:13:04 kharlov |
24 | * Bug fix in CPV local coordinates | |
25 | * | |
b22f5347 | 26 | * Revision 1.88 2007/06/27 09:11:07 kharlov |
27 | * Bug fix for CPV-EMC distance | |
28 | * | |
78881c42 | 29 | * Revision 1.87 2007/05/04 14:49:29 policheh |
30 | * AliPHOSRecPoint inheritance from AliCluster | |
31 | * | |
9ee9f78d | 32 | * Revision 1.86 2007/04/02 15:00:16 cvetan |
33 | * No more calls to gAlice in the reconstruction | |
34 | * | |
999f9a8f | 35 | * Revision 1.85 2007/03/28 19:18:15 kharlov |
36 | * RecPoints recalculation in TSM removed | |
37 | * | |
8c1fb709 | 38 | * Revision 1.84 2007/03/07 07:01:21 hristov |
39 | * Fixing copy/paste erro. Additional protections | |
40 | * | |
b89c16b2 | 41 | * Revision 1.83 2007/03/06 21:07:37 kharlov |
42 | * DP: xz CPV-EMC distance filled to TS | |
43 | * | |
d7ddbb70 | 44 | * Revision 1.82 2007/03/06 06:54:48 kharlov |
45 | * DP:Calculation of cluster properties dep. on vertex added | |
46 | * | |
e84d3def | 47 | * Revision 1.81 2007/02/05 10:02:40 kharlov |
48 | * Module numbering is corrected | |
49 | * | |
a2ee5b34 | 50 | * Revision 1.80 2006/08/28 10:01:56 kharlov |
51 | * Effective C++ warnings fixed (Timur Pocheptsov) | |
52 | * | |
3663622c | 53 | * Revision 1.79 2006/04/25 12:41:15 hristov |
54 | * Moving non-persistent data to AliESDfriend (Yu.Belikov) | |
55 | * | |
15e85efa | 56 | * Revision 1.78 2005/11/18 13:04:51 hristov |
57 | * Bug fix | |
58 | * | |
a494460a | 59 | * Revision 1.77 2005/11/17 23:34:36 hristov |
60 | * Corrected logics | |
61 | * | |
f74a631d | 62 | * Revision 1.76 2005/11/17 22:29:12 hristov |
63 | * Faster version, no attempt to match tracks outside the PHOS acceptance | |
64 | * | |
0d9aa319 | 65 | * Revision 1.75 2005/11/17 12:35:27 hristov |
66 | * Use references instead of objects. Avoid to create objects when they are not really needed | |
67 | * | |
7b51037f | 68 | * Revision 1.74 2005/07/08 14:01:36 hristov |
69 | * Tracking in non-uniform nmagnetic field (Yu.Belikov) | |
70 | * | |
c84a5e9e | 71 | * Revision 1.73 2005/05/28 14:19:05 schutz |
72 | * Compilation warnings fixed by T.P. | |
73 | * | |
702ab87e | 74 | */ |
75 | ||
d15a28e7 | 76 | //_________________________________________________________________________ |
b2a60966 | 77 | // Implementation version 1 of algorithm class to construct PHOS track segments |
f035f6ce | 78 | // Track segment for PHOS is list of |
194f9939 | 79 | // EMC RecPoint + (possibly) CPV RecPoint |
a4e98857 | 80 | // To find TrackSegments we do the following: |
81 | // for each EMC RecPoints we look at | |
194f9939 | 82 | // CPV RecPoints in the radious fRcpv. |
a4e98857 | 83 | // If there is such a CPV RecPoint, |
194f9939 | 84 | // we make "Link" it is just indexes of EMC and CPV RecPoint and distance |
a4e98857 | 85 | // between them in the PHOS plane. |
86 | // Then we sort "Links" and starting from the | |
87 | // least "Link" pointing to the unassined EMC and CPV RecPoints assing them to | |
88 | // new TrackSegment. | |
194f9939 | 89 | // If there is no CPV RecPoint we make TrackSegment |
a4e98857 | 90 | // consisting from EMC alone. There is no TrackSegments without EMC RecPoint. |
f444a19f | 91 | //// In principle this class should be called from AliPHOSReconstructor, but |
a4e98857 | 92 | // one can use it as well in standalone mode. |
93 | // Use case: | |
fc12304f | 94 | // root [0] AliPHOSTrackSegmentMakerv1 * t = new AliPHOSTrackSegmentMaker("galice.root", "tracksegmentsname", "recpointsname") |
a4e98857 | 95 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated |
fc12304f | 96 | // // reads gAlice from header file "galice.root", uses recpoints stored in the branch names "recpointsname" (default = "Default") |
97 | // // and saves recpoints in branch named "tracksegmentsname" (default = "recpointsname") | |
a4e98857 | 98 | // root [1] t->ExecuteTask() |
a4e98857 | 99 | // root [3] t->SetTrackSegmentsBranch("max distance 5 cm") |
100 | // root [4] t->ExecuteTask("deb all time") | |
f035f6ce | 101 | // |
fc12304f | 102 | //*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH) & Yves Schutz (SUBATECH) |
b2a60966 | 103 | // |
d15a28e7 | 104 | |
105 | // --- ROOT system --- | |
2731cd1e | 106 | #include "TTree.h" |
2731cd1e | 107 | #include "TBenchmark.h" |
d15a28e7 | 108 | |
21cd0c07 | 109 | // --- Standard library --- |
194f9939 | 110 | #include "Riostream.h" |
d15a28e7 | 111 | // --- AliRoot header files --- |
e957fea8 | 112 | #include "AliPHOSGeometry.h" |
d15a28e7 | 113 | #include "AliPHOSTrackSegmentMakerv1.h" |
114 | #include "AliPHOSTrackSegment.h" | |
115 | #include "AliPHOSLink.h" | |
7b7c1533 | 116 | #include "AliPHOSGetter.h" |
af885e0f | 117 | #include "AliESDEvent.h" |
aa0b9641 | 118 | #include "AliESDtrack.h" |
ddd1a39c | 119 | #include "AliPHOSQualAssDataMaker.h" |
d15a28e7 | 120 | |
121 | ClassImp( AliPHOSTrackSegmentMakerv1) | |
122 | ||
123 | ||
124 | //____________________________________________________________________________ | |
3663622c | 125 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1() : |
126 | AliPHOSTrackSegmentMaker(), | |
127 | fDefaultInit(kTRUE), | |
128 | fWrite(kFALSE), | |
129 | fNTrackSegments(0), | |
130 | fRcpv(0.f), | |
131 | fRtpc(0.f), | |
ddd1a39c | 132 | fVtx(0.f), |
3663622c | 133 | fLinkUpArray(0), |
134 | fEmcFirst(0), | |
135 | fEmcLast(0), | |
136 | fCpvFirst(0), | |
137 | fCpvLast(0), | |
138 | fModule(0), | |
139 | fTrackSegmentsInRun(0) | |
140 | ||
d15a28e7 | 141 | { |
7b7c1533 | 142 | // default ctor (to be used mainly by Streamer) |
8d0f3f77 | 143 | InitParameters() ; |
d15a28e7 | 144 | } |
7b7c1533 | 145 | |
9f616d61 | 146 | //____________________________________________________________________________ |
3663622c | 147 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const TString & alirunFileName, const TString & eventFolderName) : |
148 | AliPHOSTrackSegmentMaker(alirunFileName, eventFolderName), | |
149 | fDefaultInit(kFALSE), | |
150 | fWrite(kFALSE), | |
151 | fNTrackSegments(0), | |
152 | fRcpv(0.f), | |
153 | fRtpc(0.f), | |
ddd1a39c | 154 | fVtx(0.f), |
3663622c | 155 | fLinkUpArray(0), |
156 | fEmcFirst(0), | |
157 | fEmcLast(0), | |
158 | fCpvFirst(0), | |
159 | fCpvLast(0), | |
160 | fModule(0), | |
161 | fTrackSegmentsInRun(0) | |
2731cd1e | 162 | { |
163 | // ctor | |
8d0f3f77 | 164 | InitParameters() ; |
7b7c1533 | 165 | Init() ; |
aa0b9641 | 166 | fESD = 0; |
2731cd1e | 167 | } |
98cbd830 | 168 | |
3663622c | 169 | |
170 | AliPHOSTrackSegmentMakerv1::AliPHOSTrackSegmentMakerv1(const AliPHOSTrackSegmentMakerv1 & tsm) : | |
171 | AliPHOSTrackSegmentMaker(tsm), | |
172 | fDefaultInit(kFALSE), | |
173 | fWrite(kFALSE), | |
174 | fNTrackSegments(0), | |
175 | fRcpv(0.f), | |
176 | fRtpc(0.f), | |
ddd1a39c | 177 | fVtx(0.f), |
3663622c | 178 | fLinkUpArray(0), |
179 | fEmcFirst(0), | |
180 | fEmcLast(0), | |
181 | fCpvFirst(0), | |
182 | fCpvLast(0), | |
183 | fModule(0), | |
184 | fTrackSegmentsInRun(0) | |
185 | { | |
186 | // cpy ctor: no implementation yet | |
187 | // requested by the Coding Convention | |
188 | Fatal("cpy ctor", "not implemented") ; | |
189 | } | |
190 | ||
191 | ||
2731cd1e | 192 | //____________________________________________________________________________ |
193 | AliPHOSTrackSegmentMakerv1::~AliPHOSTrackSegmentMakerv1() | |
194 | { | |
195 | // dtor | |
92f521a9 | 196 | // fDefaultInit = kTRUE if TrackSegmentMaker created by default ctor (to get just the parameters) |
88cb7938 | 197 | if (!fDefaultInit) |
198 | delete fLinkUpArray ; | |
d15a28e7 | 199 | } |
9f616d61 | 200 | |
8d0f3f77 | 201 | |
fc12304f | 202 | //____________________________________________________________________________ |
203 | const TString AliPHOSTrackSegmentMakerv1::BranchName() const | |
204 | { | |
88cb7938 | 205 | |
206 | return GetName() ; | |
fc12304f | 207 | } |
208 | ||
d15a28e7 | 209 | //____________________________________________________________________________ |
2731cd1e | 210 | void AliPHOSTrackSegmentMakerv1::FillOneModule() |
9f616d61 | 211 | { |
f035f6ce | 212 | // Finds first and last indexes between which |
213 | // clusters from one PHOS module are | |
88cb7938 | 214 | |
215 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
fbf811ec | 216 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
217 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
ddd1a39c | 218 | |
2731cd1e | 219 | //First EMC clusters |
7b7c1533 | 220 | Int_t totalEmc = emcRecPoints->GetEntriesFast() ; |
2731cd1e | 221 | for(fEmcFirst = fEmcLast; (fEmcLast < totalEmc) && |
29b077b5 | 222 | ((dynamic_cast<AliPHOSRecPoint *>(emcRecPoints->At(fEmcLast)))->GetPHOSMod() == fModule ); |
2731cd1e | 223 | fEmcLast ++) ; |
224 | ||
2731cd1e | 225 | //Now CPV clusters |
7b7c1533 | 226 | Int_t totalCpv = cpvRecPoints->GetEntriesFast() ; |
6ad0bfa0 | 227 | |
2731cd1e | 228 | for(fCpvFirst = fCpvLast; (fCpvLast < totalCpv) && |
88cb7938 | 229 | ((dynamic_cast<AliPHOSRecPoint *>(cpvRecPoints->At(fCpvLast)))->GetPHOSMod() == fModule ); |
230 | fCpvLast ++) ; | |
9688c1dd | 231 | |
d15a28e7 | 232 | } |
7b7c1533 | 233 | |
d15a28e7 | 234 | //____________________________________________________________________________ |
e84d3def | 235 | void AliPHOSTrackSegmentMakerv1::GetDistanceInPHOSPlane(AliPHOSEmcRecPoint * emcClu, |
236 | AliPHOSCpvRecPoint * cpvClu, | |
237 | Int_t &trackindex, | |
238 | Float_t &dx, Float_t &dz) const | |
d15a28e7 | 239 | { |
194f9939 | 240 | // Calculates the distance between the EMC RecPoint and the CPV RecPoint |
a4e98857 | 241 | // Clusters are sorted in "rows" and "columns" of width 1 cm |
f035f6ce | 242 | |
e84d3def | 243 | // Float_t delta = 1 ; // Width of the rows in sorting of RecPoints (in cm) |
244 | // // if you change this value, change it as well in xxxRecPoint::Compare() | |
743cb288 | 245 | Float_t distance2Track = fRtpc ; |
194f9939 | 246 | |
247 | trackindex = -1 ; // closest track within fRCpv | |
248 | ||
aa0b9641 | 249 | TVector3 vecEmc ; // Local position of EMC recpoint |
e84d3def | 250 | TVector3 vecP ; // Momentum direction at CPV plain |
251 | TVector3 vecPloc ; // Momentum direction at CPV plain | |
2731cd1e | 252 | |
194f9939 | 253 | //toofar = kTRUE ; |
e84d3def | 254 | if(emcClu->GetPHOSMod() != cpvClu->GetPHOSMod()){ |
255 | dx=999. ; | |
256 | dz=999. ; | |
257 | return ; | |
258 | } | |
259 | ||
260 | emcClu->GetLocalPosition(vecEmc) ; | |
2731cd1e | 261 | |
e84d3def | 262 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
263 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
194f9939 | 264 | |
e84d3def | 265 | Double_t xCPV,zCPV ; //EMC-projected coordinates of CPV cluster |
266 | TVector3 cpvGlobal; // Global position of the CPV recpoint | |
9ee9f78d | 267 | geom->GetGlobalPHOS((AliPHOSRecPoint*)cpvClu,cpvGlobal); |
e84d3def | 268 | Double_t vtxCPV[3]={cpvGlobal.X(),cpvGlobal.Y(),cpvGlobal.Z()} ; |
78881c42 | 269 | Int_t dummyMod ; |
e84d3def | 270 | |
271 | if (fESD == 0x0) { | |
272 | //if no track information available, assume straight line from IP to emcal | |
b22f5347 | 273 | geom->ImpactOnEmc(vtxCPV,cpvGlobal.Theta(),cpvGlobal.Phi(),dummyMod,zCPV,xCPV) ; |
e84d3def | 274 | dx=xCPV - vecEmc.X() ; |
275 | dz=zCPV - vecEmc.Z() ; | |
276 | return ; | |
277 | } | |
278 | ||
279 | //if there is ESD try to correct distance using TPC information on particle direct in CPV | |
280 | if (fESD != 0x0) { | |
0d9aa319 | 281 | |
e84d3def | 282 | Double_t rCPV = cpvGlobal.Pt() ;// Radius from IP to current point |
283 | ||
284 | // Extrapolate the global track direction if any to CPV and find the closest track | |
285 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
286 | Int_t iClosestTrack = -1; | |
287 | Double_t minDistance = 1.e6; | |
288 | TVector3 inPHOS ; | |
289 | ||
290 | AliESDtrack *track; | |
291 | Double_t xyz[3] ; | |
292 | Double_t pxyz[3]; | |
293 | for (Int_t iTrack=0; iTrack<nTracks; iTrack++) { | |
294 | track = fESD->GetTrack(iTrack); | |
295 | if (!track->GetXYZAt(rCPV, fESD->GetMagneticField(), xyz)) | |
23904d16 | 296 | continue; //track coord on the cylinder of PHOS radius |
e84d3def | 297 | if ((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0) |
23904d16 | 298 | continue; |
e84d3def | 299 | //Check if this track hits PHOS |
300 | inPHOS.SetXYZ(xyz[0],xyz[1],xyz[2]); | |
301 | distance2Track = inPHOS.Angle(cpvGlobal) ; | |
302 | // Find the closest track to the CPV recpoint | |
303 | if (distance2Track < minDistance) { | |
304 | minDistance = distance2Track; | |
305 | iClosestTrack = iTrack; | |
aa0b9641 | 306 | } |
e84d3def | 307 | } |
aa0b9641 | 308 | |
e84d3def | 309 | if (iClosestTrack != -1) { |
310 | track = fESD->GetTrack(iClosestTrack); | |
311 | if (track->GetPxPyPzAt(rCPV, fESD->GetMagneticField(), pxyz)) { // track momentum ibid. | |
312 | vecP.SetXYZ(pxyz[0],pxyz[1],pxyz[2]); | |
313 | Int_t dummyMod ; | |
b22f5347 | 314 | geom->ImpactOnEmc(vtxCPV,vecP.Theta(),vecP.Phi(),dummyMod,zCPV,xCPV) ; |
aa0b9641 | 315 | } |
e84d3def | 316 | } |
194f9939 | 317 | |
e84d3def | 318 | if(minDistance < fRtpc ){ |
319 | trackindex = iClosestTrack ; | |
aa0b9641 | 320 | } |
bfc17d18 | 321 | } |
e84d3def | 322 | if(trackindex!=-1){ |
78881c42 | 323 | // If the closest global track is found, calculate EMC-CPV distance from it |
e84d3def | 324 | dx=xCPV - vecEmc.X() ; |
325 | dz=zCPV - vecEmc.Z() ; | |
326 | } | |
327 | else{ | |
78881c42 | 328 | // If no global track was found, just take the nearest CPV point |
b22f5347 | 329 | geom->ImpactOnEmc(vtxCPV,cpvGlobal.Theta(),cpvGlobal.Phi(),dummyMod,zCPV,xCPV) ; |
78881c42 | 330 | dx=xCPV - vecEmc.X() ; |
331 | dz=zCPV - vecEmc.Z() ; | |
e84d3def | 332 | } |
333 | return ; | |
d15a28e7 | 334 | } |
7b7c1533 | 335 | //____________________________________________________________________________ |
336 | void AliPHOSTrackSegmentMakerv1::Init() | |
337 | { | |
338 | // Make all memory allocations that are not possible in default constructor | |
339 | ||
adcca1e6 | 340 | AliPHOSGetter* gime = AliPHOSGetter::Instance(); |
341 | if(!gime) | |
342 | gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
fbf811ec | 343 | |
7b7c1533 | 344 | fLinkUpArray = new TClonesArray("AliPHOSLink", 1000); |
88cb7938 | 345 | if ( !gime->TrackSegmentMaker() ) { |
346 | gime->PostTrackSegmentMaker(this); | |
347 | } | |
7b7c1533 | 348 | } |
349 | ||
8d0f3f77 | 350 | //____________________________________________________________________________ |
351 | void AliPHOSTrackSegmentMakerv1::InitParameters() | |
352 | { | |
e957fea8 | 353 | //Initializes parameters |
743cb288 | 354 | fRcpv = 10. ; |
355 | fRtpc = 4. ; | |
8d0f3f77 | 356 | fEmcFirst = 0 ; |
357 | fEmcLast = 0 ; | |
358 | fCpvFirst = 0 ; | |
359 | fCpvLast = 0 ; | |
360 | fLinkUpArray = 0 ; | |
adcca1e6 | 361 | fWrite = kTRUE ; |
88cb7938 | 362 | fTrackSegmentsInRun = 0 ; |
eabde521 | 363 | SetEventRange(0,-1) ; |
8d0f3f77 | 364 | } |
365 | ||
366 | ||
d15a28e7 | 367 | //____________________________________________________________________________ |
baef0810 | 368 | void AliPHOSTrackSegmentMakerv1::MakeLinks()const |
d15a28e7 | 369 | { |
194f9939 | 370 | // Finds distances (links) between all EMC and CPV clusters, |
fbf811ec | 371 | // which are not further apart from each other than fRcpv |
f035f6ce | 372 | // and sort them in accordance with this distance |
9688c1dd | 373 | |
88cb7938 | 374 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
fbf811ec | 375 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
376 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 377 | |
2731cd1e | 378 | fLinkUpArray->Clear() ; |
2731cd1e | 379 | |
2bb500e5 | 380 | AliPHOSCpvRecPoint * cpv ; |
92862013 | 381 | AliPHOSEmcRecPoint * emcclu ; |
28c3a259 | 382 | |
d15a28e7 | 383 | Int_t iLinkUp = 0 ; |
384 | ||
28c3a259 | 385 | Int_t iEmcRP; |
2731cd1e | 386 | for(iEmcRP = fEmcFirst; iEmcRP < fEmcLast; iEmcRP++ ) { |
29b077b5 | 387 | emcclu = dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP)) ; |
2731cd1e | 388 | |
194f9939 | 389 | //Bool_t toofar ; |
2731cd1e | 390 | Int_t iCpv = 0 ; |
391 | for(iCpv = fCpvFirst; iCpv < fCpvLast;iCpv++ ) { | |
28c3a259 | 392 | |
2bb500e5 | 393 | cpv = dynamic_cast<AliPHOSCpvRecPoint *>(cpvRecPoints->At(iCpv)) ; |
194f9939 | 394 | Int_t track = -1 ; |
e84d3def | 395 | Float_t dx,dz ; |
396 | GetDistanceInPHOSPlane(emcclu, cpv, track,dx,dz) ; | |
397 | if(TMath::Sqrt(dx*dx+dz*dz) < fRcpv ){ | |
398 | new ((*fLinkUpArray)[iLinkUp++]) AliPHOSLink(dx, dz, iEmcRP, iCpv, track) ; | |
28c3a259 | 399 | } |
d15a28e7 | 400 | } |
28c3a259 | 401 | } |
d15a28e7 | 402 | |
9688c1dd | 403 | fLinkUpArray->Sort() ; //first links with smallest distances |
d15a28e7 | 404 | } |
28c3a259 | 405 | |
d15a28e7 | 406 | //____________________________________________________________________________ |
2731cd1e | 407 | void AliPHOSTrackSegmentMakerv1::MakePairs() |
6ad0bfa0 | 408 | { |
f035f6ce | 409 | // Using the previously made list of "links", we found the smallest link - i.e. |
a4e98857 | 410 | // link with the least distance between EMC and CPV and pointing to still |
f035f6ce | 411 | // unassigned RecParticles. We assign these RecPoints to TrackSegment and |
412 | // remove them from the list of "unassigned". | |
88cb7938 | 413 | |
414 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
415 | ||
fbf811ec | 416 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
417 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
88cb7938 | 418 | TClonesArray * trackSegments = gime->TrackSegments(); |
9688c1dd | 419 | |
01a599c9 | 420 | //Make arrays to mark clusters already chosen |
2731cd1e | 421 | Int_t * emcExist = 0; |
422 | if(fEmcLast > fEmcFirst) | |
423 | emcExist = new Int_t[fEmcLast-fEmcFirst] ; | |
424 | ||
425 | Int_t index; | |
426 | for(index = 0; index <fEmcLast-fEmcFirst; index ++) | |
427 | emcExist[index] = 1 ; | |
428 | ||
429 | Bool_t * cpvExist = 0; | |
430 | if(fCpvLast > fCpvFirst) | |
431 | cpvExist = new Bool_t[fCpvLast-fCpvFirst] ; | |
432 | for(index = 0; index <fCpvLast-fCpvFirst; index ++) | |
433 | cpvExist[index] = kTRUE ; | |
434 | ||
2731cd1e | 435 | |
436 | // Finds the smallest links and makes pairs of CPV and EMC clusters with smallest distance | |
2731cd1e | 437 | TIter nextUp(fLinkUpArray) ; |
d15a28e7 | 438 | |
d15a28e7 | 439 | AliPHOSLink * linkUp ; |
9688c1dd | 440 | |
2bb500e5 | 441 | AliPHOSCpvRecPoint * nullpointer = 0 ; |
9688c1dd | 442 | |
29b077b5 | 443 | while ( (linkUp = static_cast<AliPHOSLink *>(nextUp()) ) ){ |
9688c1dd | 444 | |
194f9939 | 445 | if(emcExist[linkUp->GetEmc()-fEmcFirst] != -1){ |
d15a28e7 | 446 | |
194f9939 | 447 | if(cpvExist[linkUp->GetCpv()-fCpvFirst]){ //CPV still exist |
d7ddbb70 | 448 | Float_t dx,dz ; |
449 | linkUp->GetXZ(dx,dz) ; | |
194f9939 | 450 | new ((* trackSegments)[fNTrackSegments]) |
451 | AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(linkUp->GetEmc())) , | |
452 | dynamic_cast<AliPHOSCpvRecPoint *>(cpvRecPoints->At(linkUp->GetCpv())) , | |
d7ddbb70 | 453 | linkUp->GetTrack(),dx,dz) ; |
194f9939 | 454 | |
88cb7938 | 455 | (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments); |
456 | fNTrackSegments++ ; | |
88cb7938 | 457 | emcExist[linkUp->GetEmc()-fEmcFirst] = -1 ; //Mark emc that Cpv was found |
458 | //mark CPV recpoint as already used | |
194f9939 | 459 | cpvExist[linkUp->GetCpv()-fCpvFirst] = kFALSE ; |
460 | } //if CpvUp still exist | |
28c3a259 | 461 | } |
88cb7938 | 462 | } |
28c3a259 | 463 | |
194f9939 | 464 | //look through emc recPoints left without CPV |
2731cd1e | 465 | if(emcExist){ //if there is emc rec point |
466 | Int_t iEmcRP ; | |
467 | for(iEmcRP = 0; iEmcRP < fEmcLast-fEmcFirst ; iEmcRP++ ){ | |
468 | if(emcExist[iEmcRP] > 0 ){ | |
88cb7938 | 469 | new ((*trackSegments)[fNTrackSegments]) |
470 | AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP+fEmcFirst)), | |
471 | nullpointer) ; | |
472 | (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments); | |
473 | fNTrackSegments++; | |
2731cd1e | 474 | } |
d15a28e7 | 475 | } |
d15a28e7 | 476 | } |
780a31c1 | 477 | delete [] emcExist ; |
478 | delete [] cpvExist ; | |
d15a28e7 | 479 | } |
480 | ||
481 | //____________________________________________________________________________ | |
eabde521 | 482 | void AliPHOSTrackSegmentMakerv1::Exec(Option_t *option) |
d15a28e7 | 483 | { |
eabde521 | 484 | // Steering method to perform track segment construction for events |
485 | // in the range from fFirstEvent to fLastEvent. | |
486 | // This range is optionally set by SetEventRange(). | |
487 | // if fLastEvent=-1 (by default), then process events until the end. | |
88cb7938 | 488 | |
2731cd1e | 489 | if(strstr(option,"tim")) |
b3f97575 | 490 | gBenchmark->Start("PHOSTSMaker"); |
7b7c1533 | 491 | |
492 | if(strstr(option,"print")) { | |
88cb7938 | 493 | Print() ; |
7b7c1533 | 494 | return ; |
495 | } | |
88cb7938 | 496 | |
adcca1e6 | 497 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
fb43ada4 | 498 | |
55ea5766 | 499 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
7b7c1533 | 500 | |
0588c896 | 501 | if (fLastEvent == -1) |
502 | fLastEvent = gime->MaxEvent() - 1 ; | |
503 | else | |
504 | fLastEvent = TMath::Min(fFirstEvent,gime->MaxEvent()); | |
eabde521 | 505 | Int_t nEvents = fLastEvent - fFirstEvent + 1; |
01a599c9 | 506 | |
fb43ada4 | 507 | Int_t ievent ; |
508 | for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { | |
e84d3def | 509 | gime->Event(ievent,"DR") ; |
0588c896 | 510 | //Make some initializations |
55ea5766 | 511 | fNTrackSegments = 0 ; |
512 | fEmcFirst = 0 ; | |
513 | fEmcLast = 0 ; | |
514 | fCpvFirst = 0 ; | |
515 | fCpvLast = 0 ; | |
88cb7938 | 516 | |
517 | gime->TrackSegments()->Clear(); | |
55ea5766 | 518 | |
ddd1a39c | 519 | // if(!ReadRecPoints(ievent)) continue; //reads RecPoints for event ievent |
9688c1dd | 520 | |
88cb7938 | 521 | for(fModule = 1; fModule <= geom->GetNModules() ; fModule++ ) { |
2731cd1e | 522 | FillOneModule() ; |
2731cd1e | 523 | MakeLinks() ; |
2731cd1e | 524 | MakePairs() ; |
2731cd1e | 525 | } |
ddd1a39c | 526 | |
527 | ||
90cceaf6 | 528 | WriteTrackSegments() ; |
7b7c1533 | 529 | |
2731cd1e | 530 | if(strstr(option,"deb")) |
88cb7938 | 531 | PrintTrackSegments(option); |
94de8339 | 532 | |
533 | //increment the total number of track segments per run | |
88cb7938 | 534 | fTrackSegmentsInRun += gime->TrackSegments()->GetEntriesFast() ; |
2731cd1e | 535 | } |
88cb7938 | 536 | |
2731cd1e | 537 | if(strstr(option,"tim")){ |
538 | gBenchmark->Stop("PHOSTSMaker"); | |
21cd0c07 | 539 | Info("Exec", "took %f seconds for making TS %f seconds per event", |
88cb7938 | 540 | gBenchmark->GetCpuTime("PHOSTSMaker"), |
eabde521 | 541 | gBenchmark->GetCpuTime("PHOSTSMaker")/nEvents) ; |
88cb7938 | 542 | } |
adcca1e6 | 543 | if(fWrite) //do not unload in "on flight" mode |
544 | Unload(); | |
e84d3def | 545 | } |
88cb7938 | 546 | //____________________________________________________________________________ |
547 | void AliPHOSTrackSegmentMakerv1::Unload() | |
548 | { | |
e957fea8 | 549 | // Unloads the task from the folder |
88cb7938 | 550 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
551 | gime->PhosLoader()->UnloadRecPoints() ; | |
552 | gime->PhosLoader()->UnloadTracks() ; | |
d15a28e7 | 553 | } |
7b7c1533 | 554 | |
d15a28e7 | 555 | //____________________________________________________________________________ |
702ab87e | 556 | void AliPHOSTrackSegmentMakerv1::Print(const Option_t *)const |
a4e98857 | 557 | { |
baef0810 | 558 | // Print TrackSegmentMaker parameters |
559 | ||
21cd0c07 | 560 | TString message("") ; |
7b7c1533 | 561 | if( strcmp(GetName(), "") != 0 ) { |
21cd0c07 | 562 | message = "\n======== AliPHOSTrackSegmentMakerv1 ========\n" ; |
563 | message += "Making Track segments\n" ; | |
564 | message += "with parameters:\n" ; | |
194f9939 | 565 | message += " Maximal EMC - CPV distance (cm) %f\n" ; |
21cd0c07 | 566 | message += "============================================\n" ; |
567 | Info("Print", message.Data(),fRcpv) ; | |
2731cd1e | 568 | } |
569 | else | |
21cd0c07 | 570 | Info("Print", "AliPHOSTrackSegmentMakerv1 not initialized ") ; |
d15a28e7 | 571 | } |
7b7c1533 | 572 | |
d15a28e7 | 573 | //____________________________________________________________________________ |
90cceaf6 | 574 | void AliPHOSTrackSegmentMakerv1::WriteTrackSegments() |
a4e98857 | 575 | { |
f035f6ce | 576 | // Writes found TrackSegments to TreeR. Creates branches |
577 | // "PHOSTS" and "AliPHOSTrackSegmentMaker" with the same title. | |
578 | // In the former branch found TrackSegments are stored, while | |
579 | // in the latter all parameters, with which TS were made. | |
580 | // ROOT does not allow overwriting existing branches, therefore | |
a4e98857 | 581 | // first we check, if branches with the same title already exist. |
f035f6ce | 582 | // If yes - exits without writing. |
88cb7938 | 583 | |
584 | AliPHOSGetter *gime = AliPHOSGetter::Instance() ; | |
55ea5766 | 585 | |
fbf811ec | 586 | TClonesArray * trackSegments = gime->TrackSegments() ; |
55ea5766 | 587 | trackSegments->Expand(trackSegments->GetEntriesFast()) ; |
8d0f3f77 | 588 | |
adcca1e6 | 589 | if(fWrite){ //We write TreeT |
590 | TTree * treeT = gime->TreeT(); | |
591 | ||
592 | //First TS | |
593 | Int_t bufferSize = 32000 ; | |
594 | TBranch * tsBranch = treeT->Branch("PHOSTS",&trackSegments,bufferSize); | |
595 | tsBranch->Fill() ; | |
596 | ||
597 | gime->WriteTracks("OVERWRITE"); | |
598 | gime->WriteTrackSegmentMaker("OVERWRITE"); | |
599 | } | |
2731cd1e | 600 | } |
98cbd830 | 601 | |
98cbd830 | 602 | |
2731cd1e | 603 | //____________________________________________________________________________ |
a4e98857 | 604 | void AliPHOSTrackSegmentMakerv1::PrintTrackSegments(Option_t * option) |
605 | { | |
f035f6ce | 606 | // option deb - prints # of found TrackSegments |
607 | // option deb all - prints as well indexed of found RecParticles assigned to the TS | |
9688c1dd | 608 | |
88cb7938 | 609 | TClonesArray * trackSegments = AliPHOSGetter::Instance()->TrackSegments() ; |
21cd0c07 | 610 | |
88cb7938 | 611 | Info("PrintTrackSegments", "Results from TrackSegmentMaker:") ; |
999f9a8f | 612 | printf("nevent: %d\n", AliPHOSGetter::Instance()->EventNumber()) ; |
88cb7938 | 613 | printf(" Found %d TrackSegments\n", trackSegments->GetEntriesFast() ); |
614 | ||
2731cd1e | 615 | if(strstr(option,"all")) { // printing found TS |
88cb7938 | 616 | printf("TrackSegment # EMC RP# CPV RP#\n") ; |
2731cd1e | 617 | Int_t index; |
7b7c1533 | 618 | for (index = 0 ; index <trackSegments->GetEntriesFast() ; index++) { |
619 | AliPHOSTrackSegment * ts = (AliPHOSTrackSegment * )trackSegments->At(index) ; | |
88cb7938 | 620 | printf(" %d %d %d \n", ts->GetIndexInList(), ts->GetEmcIndex(), ts->GetCpvIndex() ) ; |
2731cd1e | 621 | } |
d15a28e7 | 622 | } |
2731cd1e | 623 | } |