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