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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 | **************************************************************************/ | |
15 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d72dfbc3 | 18 | /* $Log: |
19 | 1 October 2000. Yuri Kharlov: | |
20 | AreNeighbours() | |
21 | PPSD upper layer is considered if number of layers>1 | |
22 | ||
23 | 18 October 2000. Yuri Kharlov: | |
24 | AliPHOSClusterizerv1() | |
25 | CPV clusterizing parameters added | |
26 | ||
27 | MakeClusters() | |
28 | After first PPSD digit remove EMC digits only once | |
29 | */ | |
9a1398dd | 30 | //*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute) |
d15a28e7 | 31 | ////////////////////////////////////////////////////////////////////////////// |
9a1398dd | 32 | // Clusterization class. Performs clusterization (collects neighbouring active cells) and |
a4e98857 | 33 | // unfolds the clusters having several local maxima. |
34 | // Results are stored in TreeR#, branches PHOSEmcRP (EMC recPoints), | |
9a1398dd | 35 | // PHOSCpvRP (CPV RecPoints) and AliPHOSClusterizer (Clusterizer with all |
f035f6ce | 36 | // parameters including input digits branch title, thresholds etc.) |
a4e98857 | 37 | // This TTask is normally called from Reconstructioner, but can as well be used in |
38 | // standalone mode. | |
39 | // Use Case: | |
fc12304f | 40 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root", "recpointsname", "digitsname") |
a4e98857 | 41 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated |
fc12304f | 42 | // // reads gAlice from header file "galice.root", uses digits stored in the branch names "digitsname" (default = "Default") |
43 | // // and saves recpoints in branch named "recpointsname" (default = "digitsname") | |
a4e98857 | 44 | // root [1] cl->ExecuteTask() |
9a1398dd | 45 | // //finds RecPoints in all events stored in galice.root |
a4e98857 | 46 | // root [2] cl->SetDigitsBranch("digits2") |
f035f6ce | 47 | // //sets another title for Digitis (input) branch |
a4e98857 | 48 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 49 | // //sets another title four output branches |
a4e98857 | 50 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
9a1398dd | 51 | // //set clusterization parameters |
a4e98857 | 52 | // root [5] cl->ExecuteTask("deb all time") |
9a1398dd | 53 | // //once more finds RecPoints options are |
54 | // // deb - print number of found rec points | |
55 | // // deb all - print number of found RecPoints and some their characteristics | |
56 | // // time - print benchmarking results | |
ed4205d8 | 57 | |
d15a28e7 | 58 | // --- ROOT system --- |
59 | ||
9a1398dd | 60 | #include "TROOT.h" |
61 | #include "TFile.h" | |
62 | #include "TFolder.h" | |
d15a28e7 | 63 | #include "TMath.h" |
9a1398dd | 64 | #include "TMinuit.h" |
65 | #include "TTree.h" | |
66 | #include "TSystem.h" | |
67 | #include "TBenchmark.h" | |
d15a28e7 | 68 | |
69 | // --- Standard library --- | |
70 | ||
de9ec31b | 71 | #include <iostream.h> |
9a1398dd | 72 | #include <iomanip.h> |
d15a28e7 | 73 | |
74 | // --- AliRoot header files --- | |
75 | ||
76 | #include "AliPHOSClusterizerv1.h" | |
9a1398dd | 77 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 78 | #include "AliPHOSDigit.h" |
9a1398dd | 79 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 80 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 81 | #include "AliPHOS.h" |
7b7c1533 | 82 | #include "AliPHOSGetter.h" |
9a1398dd | 83 | #include "AliRun.h" |
d15a28e7 | 84 | |
85 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 86 | |
d15a28e7 | 87 | //____________________________________________________________________________ |
7b7c1533 | 88 | AliPHOSClusterizerv1::AliPHOSClusterizerv1() : AliPHOSClusterizer() |
d15a28e7 | 89 | { |
f035f6ce | 90 | // default ctor (to be used mainly by Streamer) |
f035f6ce | 91 | |
8d0f3f77 | 92 | InitParameters() ; |
92f521a9 | 93 | fDefaultInit = kTRUE ; |
9a1398dd | 94 | } |
7b7c1533 | 95 | |
9a1398dd | 96 | //____________________________________________________________________________ |
fc12304f | 97 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* name, const char * from) |
7b7c1533 | 98 | :AliPHOSClusterizer(headerFile, name) |
9a1398dd | 99 | { |
a4e98857 | 100 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 101 | |
8d0f3f77 | 102 | InitParameters() ; |
9a1398dd | 103 | |
fc12304f | 104 | if ( from == 0 ) |
105 | fFrom = name ; | |
106 | else | |
107 | fFrom = from ; | |
2bd5457f | 108 | Init() ; |
92f521a9 | 109 | fDefaultInit = kFALSE ; |
9a1398dd | 110 | |
111 | } | |
fc12304f | 112 | |
9688c1dd | 113 | //____________________________________________________________________________ |
114 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
115 | { | |
8d0f3f77 | 116 | // dtor |
92f521a9 | 117 | // fDefaultInit = kTRUE if Clusterizer created by default ctor (to get just the parameters) |
8d0f3f77 | 118 | |
119 | ||
92f521a9 | 120 | if (!fDefaultInit) { |
121 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; | |
122 | ||
123 | // remove the task from the folder list | |
79bb1b62 | 124 | gime->RemoveTask("C",GetName()) ; |
125 | ||
126 | // remove the data from the folder list | |
127 | TString name(GetName()) ; | |
128 | name.Remove(name.Index(":")) ; | |
129 | gime->RemoveObjects("D", name) ; // Digits | |
130 | gime->RemoveObjects("RE", name) ; // EMCARecPoints | |
131 | gime->RemoveObjects("RC", name) ; // CPVRecPoints | |
132 | ||
133 | // Delete gAlice | |
134 | gime->CloseFile() ; | |
135 | ||
136 | fSplitFile = 0 ; | |
137 | } | |
9688c1dd | 138 | } |
fc12304f | 139 | |
140 | //____________________________________________________________________________ | |
141 | const TString AliPHOSClusterizerv1::BranchName() const | |
142 | { | |
143 | TString branchName(GetName() ) ; | |
144 | branchName.Remove(branchName.Index(Version())-1) ; | |
145 | return branchName ; | |
146 | } | |
147 | ||
9a1398dd | 148 | //____________________________________________________________________________ |
3758d9fc | 149 | Float_t AliPHOSClusterizerv1::Calibrate(Int_t amp, Int_t absId) const |
150 | { | |
151 | if(absId <= fEmcCrystals) //calibrate as EMC | |
152 | return fADCpedestalEmc + amp*fADCchanelEmc ; | |
153 | else //Digitize as CPV | |
154 | return fADCpedestalCpv+ amp*fADCchanelCpv ; | |
155 | } | |
156 | //____________________________________________________________________________ | |
a4e98857 | 157 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
158 | { | |
7b7c1533 | 159 | // Steering method |
9a1398dd | 160 | |
7b7c1533 | 161 | if( strcmp(GetName(), "")== 0 ) |
162 | Init() ; | |
9a1398dd | 163 | |
164 | if(strstr(option,"tim")) | |
7d493c2c | 165 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 166 | |
7b7c1533 | 167 | if(strstr(option,"print")) |
168 | Print("") ; | |
169 | ||
127e12ac | 170 | gAlice->GetEvent(0) ; |
9688c1dd | 171 | |
172 | //check, if the branch with name of this" already exits? | |
8d0f3f77 | 173 | if(gAlice->TreeR()) { |
174 | TObjArray * lob = (TObjArray*)gAlice->TreeR()->GetListOfBranches() ; | |
175 | TIter next(lob) ; | |
176 | TBranch * branch = 0 ; | |
177 | Bool_t phosemcfound = kFALSE, phoscpvfound = kFALSE, clusterizerfound = kFALSE ; | |
7b7c1533 | 178 | |
8d0f3f77 | 179 | TString branchname = GetName() ; |
180 | branchname.Remove(branchname.Index(Version())-1) ; | |
181 | ||
182 | while ( (branch = (TBranch*)next()) && (!phosemcfound || !phoscpvfound || !clusterizerfound) ) { | |
183 | if ( (strcmp(branch->GetName(), "PHOSEmcRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) | |
184 | phosemcfound = kTRUE ; | |
185 | ||
186 | else if ( (strcmp(branch->GetName(), "PHOSCpvRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) | |
187 | phoscpvfound = kTRUE ; | |
188 | ||
189 | else if ((strcmp(branch->GetName(), "AliPHOSClusterizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) ) | |
190 | clusterizerfound = kTRUE ; | |
191 | } | |
192 | ||
193 | if ( phoscpvfound || phosemcfound || clusterizerfound ) { | |
194 | cerr << "WARNING: AliPHOSClusterizer::Exec -> Emc(Cpv)RecPoints and/or Clusterizer branch with name " | |
195 | << branchname.Data() << " already exits" << endl ; | |
196 | return ; | |
197 | } | |
7b7c1533 | 198 | } |
8d0f3f77 | 199 | |
127e12ac | 200 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7b7c1533 | 201 | Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ; |
202 | Int_t ievent ; | |
203 | ||
204 | for(ievent = 0; ievent < nevents; ievent++){ | |
01a599c9 | 205 | |
3758d9fc | 206 | if(ievent == 0) GetCalibrationParameters() ; |
127e12ac | 207 | |
208 | fNumberOfEmcClusters = 0 ; | |
209 | fNumberOfCpvClusters = 0 ; | |
210 | ||
211 | gime->Event(ievent,"D") ; | |
9688c1dd | 212 | |
213 | // if(!ReadDigits(ievent)) continue; //reads digits for event ievent | |
214 | ||
9a1398dd | 215 | MakeClusters() ; |
216 | ||
fc12304f | 217 | if(fToUnfold) |
218 | MakeUnfolding() ; | |
7b7c1533 | 219 | |
220 | WriteRecPoints(ievent) ; | |
221 | ||
94de8339 | 222 | if(strstr(option,"deb")) |
223 | PrintRecPoints(option) ; | |
224 | ||
225 | //increment the total number of digits per run | |
fc12304f | 226 | fRecPointsInRun += gime->EmcRecPoints(BranchName())->GetEntriesFast() ; |
227 | fRecPointsInRun += gime->CpvRecPoints(BranchName())->GetEntriesFast() ; | |
94de8339 | 228 | } |
9a1398dd | 229 | |
230 | if(strstr(option,"tim")){ | |
231 | gBenchmark->Stop("PHOSClusterizer"); | |
232 | cout << "AliPHOSClusterizer:" << endl ; | |
233 | cout << " took " << gBenchmark->GetCpuTime("PHOSClusterizer") << " seconds for Clusterizing " | |
7b7c1533 | 234 | << gBenchmark->GetCpuTime("PHOSClusterizer")/nevents << " seconds per event " << endl ; |
9a1398dd | 235 | cout << endl ; |
236 | } | |
237 | ||
9a1398dd | 238 | } |
239 | ||
240 | //____________________________________________________________________________ | |
a0636361 | 241 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 242 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 243 | { |
244 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 245 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 246 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 247 | |
7b7c1533 | 248 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 249 | TClonesArray * digits = gime->Digits(fFrom) ; |
7b7c1533 | 250 | |
251 | ||
9a1398dd | 252 | gMinuit->mncler(); // Reset Minuit's list of paramters |
253 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
254 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
255 | // To set the address of the minimization function | |
256 | ||
257 | TList * toMinuit = new TList(); | |
258 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 259 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 260 | |
261 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
262 | ||
263 | // filling initial values for fit parameters | |
264 | AliPHOSDigit * digit ; | |
265 | ||
266 | Int_t ierflg = 0; | |
267 | Int_t index = 0 ; | |
268 | Int_t nDigits = (Int_t) nPar / 3 ; | |
269 | ||
270 | Int_t iDigit ; | |
271 | ||
7b7c1533 | 272 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 273 | |
274 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 275 | digit = maxAt[iDigit]; |
9a1398dd | 276 | |
277 | Int_t relid[4] ; | |
7b7c1533 | 278 | Float_t x = 0.; |
279 | Float_t z = 0.; | |
280 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
281 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 282 | |
283 | Float_t energy = maxAtEnergy[iDigit] ; | |
284 | ||
285 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
286 | index++ ; | |
287 | if(ierflg != 0){ | |
288 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ; | |
289 | return kFALSE; | |
290 | } | |
291 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
292 | index++ ; | |
293 | if(ierflg != 0){ | |
294 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ; | |
295 | return kFALSE; | |
296 | } | |
297 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
298 | index++ ; | |
299 | if(ierflg != 0){ | |
300 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ; | |
301 | return kFALSE; | |
302 | } | |
303 | } | |
304 | ||
305 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
306 | // depends on it. | |
307 | Double_t p1 = 1.0 ; | |
308 | Double_t p2 = 0.0 ; | |
309 | ||
310 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
311 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
312 | gMinuit->SetMaxIterations(5); | |
313 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
314 | ||
315 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
316 | ||
317 | if(ierflg == 4){ // Minimum not found | |
318 | cout << "PHOS Unfolding> Fit not converged, cluster abandoned "<< endl ; | |
319 | return kFALSE ; | |
320 | } | |
321 | for(index = 0; index < nPar; index++){ | |
322 | Double_t err ; | |
323 | Double_t val ; | |
324 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
325 | fitparameters[index] = val ; | |
326 | } | |
327 | ||
328 | delete toMinuit ; | |
329 | return kTRUE; | |
c3c187e5 | 330 | |
d15a28e7 | 331 | } |
332 | ||
3758d9fc | 333 | //____________________________________________________________________________ |
334 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
335 | { | |
336 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; | |
337 | TString branchname = GetName() ; | |
338 | branchname.Remove(branchname.Index(Version())-1) ; | |
fc12304f | 339 | AliPHOSDigitizer * dig = gime->Digitizer(fFrom) ; |
3758d9fc | 340 | fADCchanelEmc = dig->GetEMCchannel() ; |
341 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
342 | ||
343 | fADCchanelCpv = dig->GetCPVchannel() ; | |
344 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
345 | ||
346 | } | |
d15a28e7 | 347 | //____________________________________________________________________________ |
a4e98857 | 348 | void AliPHOSClusterizerv1::Init() |
349 | { | |
2bd5457f | 350 | // Make all memory allocations which can not be done in default constructor. |
351 | // Attach the Clusterizer task to the list of PHOS tasks | |
7b7c1533 | 352 | |
353 | if ( strcmp(GetTitle(), "") == 0 ) | |
354 | SetTitle("galice.root") ; | |
2bd5457f | 355 | |
9688c1dd | 356 | TString branchname = GetName() ; |
357 | branchname.Remove(branchname.Index(Version())-1) ; | |
9a1398dd | 358 | |
fc12304f | 359 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), fFrom.Data()) ; |
7b7c1533 | 360 | if ( gime == 0 ) { |
361 | cerr << "ERROR: AliPHOSClusterizerv1::Init -> Could not obtain the Getter object !" << endl ; | |
362 | return ; | |
363 | } | |
364 | ||
3758d9fc | 365 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
366 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; | |
367 | ||
7b7c1533 | 368 | if(!gMinuit) |
369 | gMinuit = new TMinuit(100) ; | |
127e12ac | 370 | gime->PostClusterizer(this) ; |
7b7c1533 | 371 | // create a folder on the white board //YSAlice/WhiteBoard/RecPoints/PHOS/recpointsName |
fc12304f | 372 | gime->PostRecPoints(branchname) ; |
127e12ac | 373 | |
fc12304f | 374 | gime->PostDigits(fFrom) ; |
375 | gime->PostDigitizer(fFrom) ; | |
7b7c1533 | 376 | |
9a1398dd | 377 | } |
7b7c1533 | 378 | |
8d0f3f77 | 379 | //____________________________________________________________________________ |
380 | void AliPHOSClusterizerv1::InitParameters() | |
381 | { | |
382 | ||
383 | fNumberOfCpvClusters = 0 ; | |
384 | fNumberOfEmcClusters = 0 ; | |
385 | ||
386 | fCpvClusteringThreshold = 0.0; | |
387 | fEmcClusteringThreshold = 0.2; | |
388 | ||
389 | fEmcLocMaxCut = 0.03 ; | |
390 | fCpvLocMaxCut = 0.03 ; | |
391 | ||
392 | fW0 = 4.5 ; | |
393 | fW0CPV = 4.0 ; | |
394 | ||
395 | fEmcTimeGate = 1.e-8 ; | |
396 | ||
397 | fToUnfold = kTRUE ; | |
398 | ||
399 | fHeaderFileName = GetTitle() ; | |
400 | fDigitsBranchTitle = GetName() ; | |
401 | ||
402 | TString clusterizerName( GetName()) ; | |
403 | if (clusterizerName.IsNull() ) | |
404 | clusterizerName = "Default" ; | |
405 | clusterizerName.Append(":") ; | |
406 | clusterizerName.Append(Version()) ; | |
407 | SetName(clusterizerName) ; | |
408 | fRecPointsInRun = 0 ; | |
409 | ||
410 | } | |
411 | ||
9a1398dd | 412 | //____________________________________________________________________________ |
413 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 414 | { |
b2a60966 | 415 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
416 | // = 1 are neighbour | |
417 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 418 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 419 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
420 | // which is compared to a digit (d2) not yet in a cluster | |
421 | ||
7b7c1533 | 422 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
423 | ||
d15a28e7 | 424 | Int_t rv = 0 ; |
425 | ||
d15a28e7 | 426 | Int_t relid1[4] ; |
7b7c1533 | 427 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 428 | |
429 | Int_t relid2[4] ; | |
7b7c1533 | 430 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 431 | |
9688c1dd | 432 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 433 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
434 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 435 | |
92862013 | 436 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 437 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 438 | rv = 1 ; |
439 | } | |
440 | else { | |
441 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
442 | rv = 2; // Difference in row numbers is too large to look further | |
443 | } | |
444 | ||
445 | } | |
446 | else { | |
447 | ||
9688c1dd | 448 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 449 | rv=2 ; |
450 | ||
451 | } | |
d72dfbc3 | 452 | |
d15a28e7 | 453 | return rv ; |
454 | } | |
455 | ||
d15a28e7 | 456 | |
457 | //____________________________________________________________________________ | |
9a1398dd | 458 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 459 | { |
b2a60966 | 460 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
461 | ||
9f616d61 | 462 | Bool_t rv = kFALSE ; |
7b7c1533 | 463 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
d15a28e7 | 464 | |
2b629790 | 465 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 466 | |
2b629790 | 467 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 468 | |
469 | return rv ; | |
470 | } | |
471 | ||
ed4205d8 | 472 | //____________________________________________________________________________ |
9a1398dd | 473 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 474 | { |
fad3e5b9 | 475 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 476 | |
477 | Bool_t rv = kFALSE ; | |
7b7c1533 | 478 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
ed4205d8 | 479 | |
2b629790 | 480 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 481 | |
2b629790 | 482 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 483 | |
484 | return rv ; | |
485 | } | |
9a1398dd | 486 | |
487 | //____________________________________________________________________________ | |
7b7c1533 | 488 | void AliPHOSClusterizerv1::WriteRecPoints(Int_t event) |
a4e98857 | 489 | { |
7b7c1533 | 490 | |
491 | // Creates new branches with given title | |
a4e98857 | 492 | // fills and writes into TreeR. |
9688c1dd | 493 | |
9688c1dd | 494 | |
7b7c1533 | 495 | AliPHOSGetter *gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 496 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
497 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
498 | TClonesArray * digits = gime->Digits(fFrom) ; | |
8d0f3f77 | 499 | TTree * treeR = gAlice->TreeR(); |
500 | ||
501 | if (!gAlice->TreeR() ) | |
502 | gAlice->MakeTree("R", fSplitFile); | |
503 | treeR = gAlice->TreeR() ; | |
504 | ||
9a1398dd | 505 | Int_t index ; |
01a599c9 | 506 | //Evaluate position, dispersion and other RecPoint properties... |
7b7c1533 | 507 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
508 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->EvalAll(fW0,digits) ; | |
9a1398dd | 509 | |
7b7c1533 | 510 | emcRecPoints->Sort() ; |
7b7c1533 | 511 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
512 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 513 | |
7b7c1533 | 514 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
761e34c0 | 515 | |
9a1398dd | 516 | //Now the same for CPV |
7b7c1533 | 517 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
518 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->EvalAll(fW0CPV,digits) ; | |
9a1398dd | 519 | |
7b7c1533 | 520 | cpvRecPoints->Sort() ; |
9a1398dd | 521 | |
7b7c1533 | 522 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
523 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 524 | |
7b7c1533 | 525 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 526 | |
9a1398dd | 527 | Int_t bufferSize = 32000 ; |
528 | Int_t splitlevel = 0 ; | |
8d0f3f77 | 529 | |
01a599c9 | 530 | //First EMC |
8d0f3f77 | 531 | TBranch * emcBranch = treeR->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 532 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 533 | |
534 | //Now CPV branch | |
8d0f3f77 | 535 | TBranch * cpvBranch = treeR->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 536 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 537 | |
538 | //And Finally clusterizer branch | |
8581019b | 539 | AliPHOSClusterizerv1 * cl = this ; |
8d0f3f77 | 540 | TBranch * clusterizerBranch = treeR->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", |
9a1398dd | 541 | &cl,bufferSize,splitlevel); |
fc12304f | 542 | clusterizerBranch->SetTitle(BranchName()); |
8d0f3f77 | 543 | |
01a599c9 | 544 | emcBranch ->Fill() ; |
545 | cpvBranch ->Fill() ; | |
761e34c0 | 546 | clusterizerBranch->Fill() ; |
eec3ac52 | 547 | |
8d0f3f77 | 548 | treeR->AutoSave() ; //Write(0,kOverwrite) ; |
9a1398dd | 549 | |
550 | } | |
551 | ||
552 | //____________________________________________________________________________ | |
553 | void AliPHOSClusterizerv1::MakeClusters() | |
554 | { | |
555 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
556 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 557 | |
7b7c1533 | 558 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
559 | ||
fc12304f | 560 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
561 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
7d493c2c | 562 | emcRecPoints->Delete() ; |
563 | cpvRecPoints->Delete() ; | |
7b7c1533 | 564 | |
fc12304f | 565 | TClonesArray * digits = gime->Digits(fFrom) ; |
566 | if ( !digits ) { | |
567 | cerr << "ERROR: AliPHOSClusterizerv1::MakeClusters -> Digits with name " | |
568 | << fFrom << " not found ! " << endl ; | |
569 | abort() ; | |
570 | } | |
7b7c1533 | 571 | TClonesArray * digitsC = (TClonesArray*)digits->Clone() ; |
572 | ||
573 | ||
d15a28e7 | 574 | // Clusterization starts |
9a1398dd | 575 | |
7b7c1533 | 576 | TIter nextdigit(digitsC) ; |
d15a28e7 | 577 | AliPHOSDigit * digit ; |
92862013 | 578 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 579 | |
7b7c1533 | 580 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digitsC |
9a1398dd | 581 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 582 | |
d1de15f5 | 583 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 584 | Int_t index ; |
f2bc1b87 | 585 | |
3758d9fc | 586 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
587 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
7a9d98f9 | 588 | |
d15a28e7 | 589 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 590 | |
6ad0bfa0 | 591 | if ( IsInEmc(digit) ) { |
83974468 | 592 | // start a new EMC RecPoint |
7b7c1533 | 593 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
594 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
595 | ||
73a68ccb | 596 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; |
7b7c1533 | 597 | clu = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters) ; |
7f5d510c | 598 | fNumberOfEmcClusters++ ; |
3758d9fc | 599 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; |
9a1398dd | 600 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 601 | iDigitInCluster++ ; |
7b7c1533 | 602 | digitsC->Remove(digit) ; |
ca77b032 | 603 | |
d72dfbc3 | 604 | } else { |
83974468 | 605 | |
9688c1dd | 606 | // start a new CPV cluster |
7b7c1533 | 607 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
608 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
609 | ||
73a68ccb | 610 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; |
fad3e5b9 | 611 | |
9688c1dd | 612 | clu = (AliPHOSCpvRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters) ; |
7b7c1533 | 613 | fNumberOfCpvClusters++ ; |
3758d9fc | 614 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; |
9a1398dd | 615 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 616 | iDigitInCluster++ ; |
7b7c1533 | 617 | digitsC->Remove(digit) ; |
d15a28e7 | 618 | nextdigit.Reset() ; |
619 | ||
7b7c1533 | 620 | // Here we remove remaining EMC digits, which cannot make a cluster |
fad3e5b9 | 621 | |
92862013 | 622 | if( notremoved ) { |
9f616d61 | 623 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 624 | if( IsInEmc(digit) ) |
7b7c1533 | 625 | digitsC->Remove(digit) ; |
d15a28e7 | 626 | else |
627 | break ; | |
d72dfbc3 | 628 | } |
629 | notremoved = kFALSE ; | |
630 | } | |
d15a28e7 | 631 | |
632 | } // else | |
633 | ||
634 | nextdigit.Reset() ; | |
fad3e5b9 | 635 | |
d15a28e7 | 636 | AliPHOSDigit * digitN ; |
637 | index = 0 ; | |
9f616d61 | 638 | while (index < iDigitInCluster){ // scan over digits already in cluster |
7b7c1533 | 639 | digit = (AliPHOSDigit*)digits->At(clusterdigitslist[index]) ; |
9f616d61 | 640 | index++ ; |
d15a28e7 | 641 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 642 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 643 | switch (ineb ) { |
9f616d61 | 644 | case 0 : // not a neighbour |
d72dfbc3 | 645 | break ; |
9f616d61 | 646 | case 1 : // are neighbours |
3758d9fc | 647 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; |
9a1398dd | 648 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 649 | iDigitInCluster++ ; |
7b7c1533 | 650 | digitsC->Remove(digitN) ; |
d15a28e7 | 651 | break ; |
9f616d61 | 652 | case 2 : // too far from each other |
d15a28e7 | 653 | goto endofloop; |
654 | } // switch | |
655 | ||
656 | } // while digitN | |
fad3e5b9 | 657 | |
d15a28e7 | 658 | endofloop: ; |
659 | nextdigit.Reset() ; | |
660 | ||
661 | } // loop over cluster | |
ad8cfaf4 | 662 | |
ad8cfaf4 | 663 | } // energy theshold |
ad8cfaf4 | 664 | |
31aa6d6c | 665 | |
d15a28e7 | 666 | } // while digit |
667 | ||
7b7c1533 | 668 | delete digitsC ; |
9688c1dd | 669 | |
9a1398dd | 670 | } |
671 | ||
672 | //____________________________________________________________________________ | |
a4e98857 | 673 | void AliPHOSClusterizerv1::MakeUnfolding() |
674 | { | |
675 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 676 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 677 | |
7b7c1533 | 678 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
679 | ||
fc12304f | 680 | |
7b7c1533 | 681 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fc12304f | 682 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
683 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
684 | TClonesArray * digits = gime->Digits(fFrom) ; | |
7b7c1533 | 685 | |
a4e98857 | 686 | // Unfold first EMC clusters |
9a1398dd | 687 | if(fNumberOfEmcClusters > 0){ |
688 | ||
7b7c1533 | 689 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 690 | |
691 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
692 | Int_t index ; | |
693 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
694 | ||
7b7c1533 | 695 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) emcRecPoints->At(index) ; |
9a1398dd | 696 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
697 | break ; | |
698 | ||
699 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 700 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 701 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 702 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 703 | |
704 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
705 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 706 | emcRecPoints->Remove(emcRecPoint); |
707 | emcRecPoints->Compress() ; | |
9a1398dd | 708 | index-- ; |
709 | fNumberOfEmcClusters -- ; | |
710 | numberofNotUnfolded-- ; | |
711 | } | |
712 | ||
713 | delete[] maxAt ; | |
714 | delete[] maxAtEnergy ; | |
715 | } | |
716 | } | |
a4e98857 | 717 | // Unfolding of EMC clusters finished |
9a1398dd | 718 | |
719 | ||
a4e98857 | 720 | // Unfold now CPV clusters |
9a1398dd | 721 | if(fNumberOfCpvClusters > 0){ |
722 | ||
9688c1dd | 723 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 724 | |
725 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
726 | Int_t index ; | |
727 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
728 | ||
7b7c1533 | 729 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) cpvRecPoints->At(index) ; |
9a1398dd | 730 | |
731 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
732 | break ; | |
733 | ||
734 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
735 | ||
736 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 737 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 738 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 739 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 740 | |
741 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
742 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 743 | cpvRecPoints->Remove(emcRecPoint); |
744 | cpvRecPoints->Compress() ; | |
9a1398dd | 745 | index-- ; |
746 | numberofCpvNotUnfolded-- ; | |
747 | fNumberOfCpvClusters-- ; | |
748 | } | |
749 | ||
750 | delete[] maxAt ; | |
751 | delete[] maxAtEnergy ; | |
752 | } | |
753 | } | |
754 | //Unfolding of Cpv clusters finished | |
755 | ||
756 | } | |
757 | ||
9a1398dd | 758 | //____________________________________________________________________________ |
759 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
760 | { | |
761 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 762 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 763 | |
764 | Double_t r4 = r*r*r*r ; | |
765 | Double_t r295 = TMath::Power(r, 2.95) ; | |
766 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
767 | return shape ; | |
768 | } | |
769 | ||
770 | //____________________________________________________________________________ | |
771 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
772 | Int_t nMax, | |
a0636361 | 773 | AliPHOSDigit ** maxAt, |
9a1398dd | 774 | Float_t * maxAtEnergy) |
775 | { | |
776 | // Performs the unfolding of a cluster with nMax overlapping showers | |
777 | ||
7b7c1533 | 778 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 779 | |
7b7c1533 | 780 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fc12304f | 781 | const TClonesArray * digits = gime->Digits(fFrom) ; |
782 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; | |
783 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
7b7c1533 | 784 | |
9a1398dd | 785 | Int_t nPar = 3 * nMax ; |
786 | Float_t * fitparameters = new Float_t[nPar] ; | |
787 | ||
788 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
789 | if( !rv ) { | |
790 | // Fit failed, return and remove cluster | |
791 | delete[] fitparameters ; | |
792 | return ; | |
793 | } | |
794 | ||
795 | // create ufolded rec points and fill them with new energy lists | |
796 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
797 | // and later correct this number in acordance with actual energy deposition | |
798 | ||
799 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
800 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 801 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
802 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 803 | Int_t relid[4] ; |
7b7c1533 | 804 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 805 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
806 | ||
807 | Int_t iparam ; | |
808 | Int_t iDigit ; | |
809 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 810 | digit = (AliPHOSDigit*) digits->At(emcDigits[iDigit] ) ; |
811 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
812 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 813 | efit[iDigit] = 0; |
814 | ||
815 | iparam = 0 ; | |
816 | while(iparam < nPar ){ | |
817 | xpar = fitparameters[iparam] ; | |
818 | zpar = fitparameters[iparam+1] ; | |
819 | epar = fitparameters[iparam+2] ; | |
820 | iparam += 3 ; | |
821 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
822 | distance = TMath::Sqrt(distance) ; | |
823 | efit[iDigit] += epar * ShowerShape(distance) ; | |
824 | } | |
825 | } | |
826 | ||
827 | ||
828 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
829 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
830 | // to its contribution to efit | |
831 | ||
832 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
833 | Float_t ratio ; | |
834 | ||
835 | iparam = 0 ; | |
836 | while(iparam < nPar ){ | |
837 | xpar = fitparameters[iparam] ; | |
838 | zpar = fitparameters[iparam+1] ; | |
839 | epar = fitparameters[iparam+2] ; | |
840 | iparam += 3 ; | |
841 | ||
7b7c1533 | 842 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 843 | |
844 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
845 | ||
7b7c1533 | 846 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
847 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
9a1398dd | 848 | |
73a68ccb | 849 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
7b7c1533 | 850 | emcRP = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters); |
9a1398dd | 851 | fNumberOfEmcClusters++ ; |
852 | } | |
853 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 854 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
855 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
9a1398dd | 856 | |
73a68ccb | 857 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
7b7c1533 | 858 | emcRP = (AliPHOSEmcRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters); |
9a1398dd | 859 | fNumberOfCpvClusters++ ; |
860 | } | |
861 | ||
862 | Float_t eDigit ; | |
863 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 864 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; |
865 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
866 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 867 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
868 | distance = TMath::Sqrt(distance) ; | |
869 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
870 | eDigit = emcEnergies[iDigit] * ratio ; | |
871 | emcRP->AddDigit( *digit, eDigit ) ; | |
872 | } | |
873 | } | |
874 | ||
875 | delete[] fitparameters ; | |
876 | delete[] efit ; | |
877 | ||
878 | } | |
879 | ||
880 | //_____________________________________________________________________________ | |
881 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
882 | { | |
a4e98857 | 883 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 884 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
885 | ||
9a1398dd | 886 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; |
887 | ||
888 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
889 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
890 | ||
891 | ||
892 | ||
893 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
894 | ||
895 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
896 | ||
7b7c1533 | 897 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 898 | |
899 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
900 | ||
01a599c9 | 901 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
9a1398dd | 902 | fret = 0. ; |
903 | Int_t iparam ; | |
904 | ||
905 | if(iflag == 2) | |
906 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
907 | Grad[iparam] = 0 ; // Will evaluate gradient | |
908 | ||
909 | Double_t efit ; | |
910 | ||
911 | AliPHOSDigit * digit ; | |
912 | Int_t iDigit ; | |
913 | ||
7b7c1533 | 914 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 915 | |
916 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
917 | ||
918 | Int_t relid[4] ; | |
919 | Float_t xDigit ; | |
920 | Float_t zDigit ; | |
921 | ||
922 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
923 | ||
924 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
925 | ||
926 | if(iflag == 2){ // calculate gradient | |
927 | Int_t iParam = 0 ; | |
928 | efit = 0 ; | |
929 | while(iParam < nPar ){ | |
930 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
931 | iParam++ ; | |
932 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
933 | distance = TMath::Sqrt( distance ) ; | |
934 | iParam++ ; | |
935 | efit += x[iParam] * ShowerShape(distance) ; | |
936 | iParam++ ; | |
937 | } | |
938 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
939 | iParam = 0 ; | |
940 | while(iParam < nPar ){ | |
941 | Double_t xpar = x[iParam] ; | |
942 | Double_t zpar = x[iParam+1] ; | |
943 | Double_t epar = x[iParam+2] ; | |
944 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
945 | Double_t shape = sum * ShowerShape(dr) ; | |
946 | Double_t r4 = dr*dr*dr*dr ; | |
947 | Double_t r295 = TMath::Power(dr,2.95) ; | |
948 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
949 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
950 | ||
951 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
952 | iParam++ ; | |
953 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
954 | iParam++ ; | |
955 | Grad[iParam] += shape ; // Derivative over energy | |
956 | iParam++ ; | |
957 | } | |
958 | } | |
959 | efit = 0; | |
960 | iparam = 0 ; | |
961 | ||
962 | while(iparam < nPar ){ | |
963 | Double_t xpar = x[iparam] ; | |
964 | Double_t zpar = x[iparam+1] ; | |
965 | Double_t epar = x[iparam+2] ; | |
966 | iparam += 3 ; | |
967 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
968 | distance = TMath::Sqrt(distance) ; | |
969 | efit += epar * ShowerShape(distance) ; | |
970 | } | |
971 | ||
972 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
973 | // Here we assume, that sigma = sqrt(E) | |
974 | } | |
83974468 | 975 | |
d15a28e7 | 976 | } |
977 | ||
978 | //____________________________________________________________________________ | |
9a1398dd | 979 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 980 | { |
d1de15f5 | 981 | // Print clusterizer parameters |
982 | ||
7b7c1533 | 983 | if( strcmp(GetName(), "") !=0 ){ |
9a1398dd | 984 | |
985 | // Print parameters | |
7b7c1533 | 986 | |
987 | TString taskName(GetName()) ; | |
988 | taskName.ReplaceAll(Version(), "") ; | |
989 | ||
990 | cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl | |
9a1398dd | 991 | << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl |
992 | << " Branch: " << fDigitsBranchTitle.Data() << endl | |
993 | << endl | |
994 | << " EMC Clustering threshold = " << fEmcClusteringThreshold << endl | |
995 | << " EMC Local Maximum cut = " << fEmcLocMaxCut << endl | |
996 | << " EMC Logarothmic weight = " << fW0 << endl | |
997 | << endl | |
998 | << " CPV Clustering threshold = " << fCpvClusteringThreshold << endl | |
999 | << " CPV Local Maximum cut = " << fCpvLocMaxCut << endl | |
1000 | << " CPV Logarothmic weight = " << fW0CPV << endl | |
9688c1dd | 1001 | << endl ; |
9a1398dd | 1002 | if(fToUnfold) |
1003 | cout << " Unfolding on " << endl ; | |
1004 | else | |
1005 | cout << " Unfolding off " << endl ; | |
1006 | ||
1007 | cout << "------------------------------------------------------------------" <<endl ; | |
1008 | } | |
1009 | else | |
1010 | cout << " AliPHOSClusterizerv1 not initialized " << endl ; | |
1011 | } | |
1012 | //____________________________________________________________________________ | |
a4e98857 | 1013 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
1014 | { | |
1015 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 1016 | |
fc12304f | 1017 | TObjArray * emcRecPoints = AliPHOSGetter::GetInstance()->EmcRecPoints(BranchName()) ; |
1018 | TObjArray * cpvRecPoints = AliPHOSGetter::GetInstance()->CpvRecPoints(BranchName()) ; | |
7b7c1533 | 1019 | |
01a599c9 | 1020 | cout << "AliPHOSClusterizerv1: : event "<<gAlice->GetEvNumber() << endl ; |
7b7c1533 | 1021 | cout << " Found "<< emcRecPoints->GetEntriesFast() << " EMC Rec Points and " |
1022 | << cpvRecPoints->GetEntriesFast() << " CPV RecPoints" << endl ; | |
9a1398dd | 1023 | |
2b60655b | 1024 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; |
1025 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
1026 | ||
9a1398dd | 1027 | if(strstr(option,"all")) { |
1028 | cout << "EMC clusters " << endl ; | |
9688c1dd | 1029 | cout << " Index Ene(MeV) Multi Module X Y Z Lambda 1 Lambda 2 # of prim Primaries list " << endl; |
9a1398dd | 1030 | |
1031 | Int_t index ; | |
7b7c1533 | 1032 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
1033 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 1034 | TVector3 locpos; |
1035 | rp->GetLocalPosition(locpos); | |
9a1398dd | 1036 | Float_t lambda[2]; |
1037 | rp->GetElipsAxis(lambda); | |
9a1398dd | 1038 | Int_t * primaries; |
1039 | Int_t nprimaries; | |
1040 | primaries = rp->GetPrimaries(nprimaries); | |
9a1398dd | 1041 | |
9688c1dd | 1042 | cout << setw(4) << rp->GetIndexInList() << " " |
1043 | << setw(7) << setprecision(3) << rp->GetEnergy() << " " | |
1044 | << setw(3) << rp->GetMultiplicity() << " " | |
1045 | << setw(1) << rp->GetPHOSMod() << " " | |
1046 | << setw(6) << setprecision(2) << locpos.X() << " " | |
1047 | << setw(6) << setprecision(2) << locpos.Y() << " " | |
1048 | << setw(6) << setprecision(2) << locpos.Z() << " " | |
1049 | << setw(4) << setprecision(2) << lambda[0] << " " | |
1050 | << setw(4) << setprecision(2) << lambda[1] << " " | |
1051 | << setw(2) << nprimaries << " " ; | |
1052 | ||
9a1398dd | 1053 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) |
9688c1dd | 1054 | cout << setw(4) << primaries[iprimary] << " " ; |
1055 | cout << endl ; | |
9a1398dd | 1056 | } |
9a1398dd | 1057 | |
9688c1dd | 1058 | //Now plot CPV recPoints |
9a1398dd | 1059 | cout << "EMC clusters " << endl ; |
1060 | cout << " Index " | |
1061 | << " Multi " | |
1062 | << " Module " | |
9a1398dd | 1063 | << " X " |
1064 | << " Y " | |
1065 | << " Z " | |
1066 | << " # of prim " | |
1067 | << " Primaries list " << endl; | |
1068 | ||
7b7c1533 | 1069 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { |
1070 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
9a1398dd | 1071 | cout << setw(6) << rp->GetIndexInList() << " "; |
9688c1dd | 1072 | cout << setw(6) << rp->GetPHOSMod() << " CPV "; |
9a1398dd | 1073 | |
1074 | TVector3 locpos; | |
1075 | rp->GetLocalPosition(locpos); | |
9688c1dd | 1076 | cout << setw(6) << locpos.X() << " "; |
1077 | cout << setw(6) << locpos.Y() << " "; | |
1078 | cout << setw(6) << locpos.Z() << " "; | |
9a1398dd | 1079 | |
1080 | Int_t * primaries; | |
9688c1dd | 1081 | Int_t nprimaries ; |
9a1398dd | 1082 | primaries = rp->GetPrimaries(nprimaries); |
9688c1dd | 1083 | cout << setw(6) << nprimaries << " "; |
9a1398dd | 1084 | |
1085 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1086 | cout << setw(4) << primaries[iprimary] << " "; | |
1087 | cout << endl; | |
1088 | } | |
1089 | ||
1090 | ||
9688c1dd | 1091 | cout << "-----------------------------------------------------------------------"<<endl ; |
9a1398dd | 1092 | } |
d15a28e7 | 1093 | } |
9a1398dd | 1094 |