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