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