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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 | |
9a1398dd | 92 | fNumberOfCpvClusters = 0 ; |
d15a28e7 | 93 | fNumberOfEmcClusters = 0 ; |
f035f6ce | 94 | |
9a1398dd | 95 | fCpvClusteringThreshold = 0.0; |
c3c187e5 | 96 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 97 | |
98 | fEmcLocMaxCut = 0.03 ; | |
99 | fCpvLocMaxCut = 0.03 ; | |
100 | ||
101 | fW0 = 4.5 ; | |
102 | fW0CPV = 4.0 ; | |
9a1398dd | 103 | |
9688c1dd | 104 | fEmcTimeGate = 1.e-8 ; |
105 | ||
106 | fToUnfold = kTRUE ; | |
107 | ||
7b7c1533 | 108 | fHeaderFileName = "" ; |
109 | fDigitsBranchTitle = "" ; | |
fc12304f | 110 | fFrom = "" ; |
111 | ||
9688c1dd | 112 | fRecPointsInRun = 0 ; |
9a1398dd | 113 | } |
7b7c1533 | 114 | |
9a1398dd | 115 | //____________________________________________________________________________ |
fc12304f | 116 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* name, const char * from) |
7b7c1533 | 117 | :AliPHOSClusterizer(headerFile, name) |
9a1398dd | 118 | { |
a4e98857 | 119 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 120 | |
7b7c1533 | 121 | |
9a1398dd | 122 | fNumberOfCpvClusters = 0 ; |
123 | fNumberOfEmcClusters = 0 ; | |
f035f6ce | 124 | |
ed4205d8 | 125 | fCpvClusteringThreshold = 0.0; |
9a1398dd | 126 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 127 | |
128 | fEmcLocMaxCut = 0.03 ; | |
129 | fCpvLocMaxCut = 0.03 ; | |
130 | ||
d15a28e7 | 131 | fW0 = 4.5 ; |
c3c187e5 | 132 | fW0CPV = 4.0 ; |
9688c1dd | 133 | |
134 | fEmcTimeGate = 1.e-8 ; | |
9a1398dd | 135 | |
2bd5457f | 136 | fToUnfold = kTRUE ; |
9a1398dd | 137 | |
7b7c1533 | 138 | fHeaderFileName = GetTitle() ; |
139 | fDigitsBranchTitle = GetName() ; | |
9688c1dd | 140 | |
141 | TString clusterizerName( GetName()) ; | |
142 | clusterizerName.Append(":") ; | |
143 | clusterizerName.Append(Version()) ; | |
144 | SetName(clusterizerName) ; | |
2b60655b | 145 | fRecPointsInRun = 0 ; |
fc12304f | 146 | if ( from == 0 ) |
147 | fFrom = name ; | |
148 | else | |
149 | fFrom = from ; | |
2bd5457f | 150 | Init() ; |
9a1398dd | 151 | |
152 | } | |
fc12304f | 153 | |
9688c1dd | 154 | //____________________________________________________________________________ |
155 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
156 | { | |
157 | } | |
fc12304f | 158 | |
159 | //____________________________________________________________________________ | |
160 | const TString AliPHOSClusterizerv1::BranchName() const | |
161 | { | |
162 | TString branchName(GetName() ) ; | |
163 | branchName.Remove(branchName.Index(Version())-1) ; | |
164 | return branchName ; | |
165 | } | |
166 | ||
9a1398dd | 167 | //____________________________________________________________________________ |
3758d9fc | 168 | Float_t AliPHOSClusterizerv1::Calibrate(Int_t amp, Int_t absId) const |
169 | { | |
170 | if(absId <= fEmcCrystals) //calibrate as EMC | |
171 | return fADCpedestalEmc + amp*fADCchanelEmc ; | |
172 | else //Digitize as CPV | |
173 | return fADCpedestalCpv+ amp*fADCchanelCpv ; | |
174 | } | |
175 | //____________________________________________________________________________ | |
a4e98857 | 176 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
177 | { | |
7b7c1533 | 178 | // Steering method |
9a1398dd | 179 | |
7b7c1533 | 180 | if( strcmp(GetName(), "")== 0 ) |
181 | Init() ; | |
9a1398dd | 182 | |
183 | if(strstr(option,"tim")) | |
7d493c2c | 184 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 185 | |
7b7c1533 | 186 | if(strstr(option,"print")) |
187 | Print("") ; | |
188 | ||
127e12ac | 189 | gAlice->GetEvent(0) ; |
9688c1dd | 190 | |
191 | //check, if the branch with name of this" already exits? | |
7b7c1533 | 192 | TObjArray * lob = (TObjArray*)gAlice->TreeR()->GetListOfBranches() ; |
193 | TIter next(lob) ; | |
194 | TBranch * branch = 0 ; | |
195 | Bool_t phosemcfound = kFALSE, phoscpvfound = kFALSE, clusterizerfound = kFALSE ; | |
7b7c1533 | 196 | |
9688c1dd | 197 | TString branchname = GetName() ; |
198 | branchname.Remove(branchname.Index(Version())-1) ; | |
199 | ||
7b7c1533 | 200 | while ( (branch = (TBranch*)next()) && (!phosemcfound || !phoscpvfound || !clusterizerfound) ) { |
9688c1dd | 201 | if ( (strcmp(branch->GetName(), "PHOSEmcRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 202 | phosemcfound = kTRUE ; |
203 | ||
9688c1dd | 204 | else if ( (strcmp(branch->GetName(), "PHOSCpvRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 205 | phoscpvfound = kTRUE ; |
206 | ||
9688c1dd | 207 | else if ((strcmp(branch->GetName(), "AliPHOSClusterizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) ) |
7b7c1533 | 208 | clusterizerfound = kTRUE ; |
209 | } | |
210 | ||
211 | if ( phoscpvfound || phosemcfound || clusterizerfound ) { | |
212 | cerr << "WARNING: AliPHOSClusterizer::Exec -> Emc(Cpv)RecPoints and/or Clusterizer branch with name " | |
9688c1dd | 213 | << branchname.Data() << " already exits" << endl ; |
7b7c1533 | 214 | return ; |
215 | } | |
216 | ||
127e12ac | 217 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7b7c1533 | 218 | Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ; |
219 | Int_t ievent ; | |
220 | ||
221 | for(ievent = 0; ievent < nevents; ievent++){ | |
01a599c9 | 222 | |
3758d9fc | 223 | if(ievent == 0) GetCalibrationParameters() ; |
127e12ac | 224 | |
225 | fNumberOfEmcClusters = 0 ; | |
226 | fNumberOfCpvClusters = 0 ; | |
227 | ||
228 | gime->Event(ievent,"D") ; | |
9688c1dd | 229 | |
230 | // if(!ReadDigits(ievent)) continue; //reads digits for event ievent | |
231 | ||
9a1398dd | 232 | MakeClusters() ; |
233 | ||
fc12304f | 234 | if(fToUnfold) |
235 | MakeUnfolding() ; | |
7b7c1533 | 236 | |
237 | WriteRecPoints(ievent) ; | |
238 | ||
94de8339 | 239 | if(strstr(option,"deb")) |
240 | PrintRecPoints(option) ; | |
241 | ||
242 | //increment the total number of digits per run | |
fc12304f | 243 | fRecPointsInRun += gime->EmcRecPoints(BranchName())->GetEntriesFast() ; |
244 | fRecPointsInRun += gime->CpvRecPoints(BranchName())->GetEntriesFast() ; | |
94de8339 | 245 | } |
9a1398dd | 246 | |
247 | if(strstr(option,"tim")){ | |
248 | gBenchmark->Stop("PHOSClusterizer"); | |
249 | cout << "AliPHOSClusterizer:" << endl ; | |
250 | cout << " took " << gBenchmark->GetCpuTime("PHOSClusterizer") << " seconds for Clusterizing " | |
7b7c1533 | 251 | << gBenchmark->GetCpuTime("PHOSClusterizer")/nevents << " seconds per event " << endl ; |
9a1398dd | 252 | cout << endl ; |
253 | } | |
254 | ||
9a1398dd | 255 | } |
256 | ||
257 | //____________________________________________________________________________ | |
a0636361 | 258 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 259 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 260 | { |
261 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 262 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 263 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 264 | |
7b7c1533 | 265 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 266 | TClonesArray * digits = gime->Digits(fFrom) ; |
7b7c1533 | 267 | |
268 | ||
9a1398dd | 269 | gMinuit->mncler(); // Reset Minuit's list of paramters |
270 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
271 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
272 | // To set the address of the minimization function | |
273 | ||
274 | TList * toMinuit = new TList(); | |
275 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 276 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 277 | |
278 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
279 | ||
280 | // filling initial values for fit parameters | |
281 | AliPHOSDigit * digit ; | |
282 | ||
283 | Int_t ierflg = 0; | |
284 | Int_t index = 0 ; | |
285 | Int_t nDigits = (Int_t) nPar / 3 ; | |
286 | ||
287 | Int_t iDigit ; | |
288 | ||
7b7c1533 | 289 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 290 | |
291 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 292 | digit = maxAt[iDigit]; |
9a1398dd | 293 | |
294 | Int_t relid[4] ; | |
7b7c1533 | 295 | Float_t x = 0.; |
296 | Float_t z = 0.; | |
297 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
298 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 299 | |
300 | Float_t energy = maxAtEnergy[iDigit] ; | |
301 | ||
302 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
303 | index++ ; | |
304 | if(ierflg != 0){ | |
305 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ; | |
306 | return kFALSE; | |
307 | } | |
308 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
309 | index++ ; | |
310 | if(ierflg != 0){ | |
311 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ; | |
312 | return kFALSE; | |
313 | } | |
314 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
315 | index++ ; | |
316 | if(ierflg != 0){ | |
317 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ; | |
318 | return kFALSE; | |
319 | } | |
320 | } | |
321 | ||
322 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
323 | // depends on it. | |
324 | Double_t p1 = 1.0 ; | |
325 | Double_t p2 = 0.0 ; | |
326 | ||
327 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
328 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
329 | gMinuit->SetMaxIterations(5); | |
330 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
331 | ||
332 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
333 | ||
334 | if(ierflg == 4){ // Minimum not found | |
335 | cout << "PHOS Unfolding> Fit not converged, cluster abandoned "<< endl ; | |
336 | return kFALSE ; | |
337 | } | |
338 | for(index = 0; index < nPar; index++){ | |
339 | Double_t err ; | |
340 | Double_t val ; | |
341 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
342 | fitparameters[index] = val ; | |
343 | } | |
344 | ||
345 | delete toMinuit ; | |
346 | return kTRUE; | |
c3c187e5 | 347 | |
d15a28e7 | 348 | } |
349 | ||
3758d9fc | 350 | //____________________________________________________________________________ |
351 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
352 | { | |
353 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; | |
354 | TString branchname = GetName() ; | |
355 | branchname.Remove(branchname.Index(Version())-1) ; | |
fc12304f | 356 | AliPHOSDigitizer * dig = gime->Digitizer(fFrom) ; |
3758d9fc | 357 | fADCchanelEmc = dig->GetEMCchannel() ; |
358 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
359 | ||
360 | fADCchanelCpv = dig->GetCPVchannel() ; | |
361 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
362 | ||
363 | } | |
d15a28e7 | 364 | //____________________________________________________________________________ |
a4e98857 | 365 | void AliPHOSClusterizerv1::Init() |
366 | { | |
2bd5457f | 367 | // Make all memory allocations which can not be done in default constructor. |
368 | // Attach the Clusterizer task to the list of PHOS tasks | |
7b7c1533 | 369 | |
370 | if ( strcmp(GetTitle(), "") == 0 ) | |
371 | SetTitle("galice.root") ; | |
2bd5457f | 372 | |
9688c1dd | 373 | TString branchname = GetName() ; |
374 | branchname.Remove(branchname.Index(Version())-1) ; | |
9a1398dd | 375 | |
fc12304f | 376 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), fFrom.Data()) ; |
7b7c1533 | 377 | if ( gime == 0 ) { |
378 | cerr << "ERROR: AliPHOSClusterizerv1::Init -> Could not obtain the Getter object !" << endl ; | |
379 | return ; | |
380 | } | |
381 | ||
3758d9fc | 382 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
383 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; | |
384 | ||
7b7c1533 | 385 | if(!gMinuit) |
386 | gMinuit = new TMinuit(100) ; | |
387 | ||
127e12ac | 388 | gime->PostClusterizer(this) ; |
7b7c1533 | 389 | // create a folder on the white board //YSAlice/WhiteBoard/RecPoints/PHOS/recpointsName |
fc12304f | 390 | gime->PostRecPoints(branchname) ; |
127e12ac | 391 | |
fc12304f | 392 | gime->PostDigits(fFrom) ; |
393 | gime->PostDigitizer(fFrom) ; | |
7b7c1533 | 394 | |
9a1398dd | 395 | } |
7b7c1533 | 396 | |
9a1398dd | 397 | //____________________________________________________________________________ |
398 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 399 | { |
b2a60966 | 400 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
401 | // = 1 are neighbour | |
402 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 403 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 404 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
405 | // which is compared to a digit (d2) not yet in a cluster | |
406 | ||
7b7c1533 | 407 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
408 | ||
d15a28e7 | 409 | Int_t rv = 0 ; |
410 | ||
d15a28e7 | 411 | Int_t relid1[4] ; |
7b7c1533 | 412 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 413 | |
414 | Int_t relid2[4] ; | |
7b7c1533 | 415 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 416 | |
9688c1dd | 417 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 418 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
419 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 420 | |
92862013 | 421 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 422 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 423 | rv = 1 ; |
424 | } | |
425 | else { | |
426 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
427 | rv = 2; // Difference in row numbers is too large to look further | |
428 | } | |
429 | ||
430 | } | |
431 | else { | |
432 | ||
9688c1dd | 433 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 434 | rv=2 ; |
435 | ||
436 | } | |
d72dfbc3 | 437 | |
d15a28e7 | 438 | return rv ; |
439 | } | |
440 | ||
d15a28e7 | 441 | |
442 | //____________________________________________________________________________ | |
9a1398dd | 443 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 444 | { |
b2a60966 | 445 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
446 | ||
9f616d61 | 447 | Bool_t rv = kFALSE ; |
7b7c1533 | 448 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
d15a28e7 | 449 | |
2b629790 | 450 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 451 | |
2b629790 | 452 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 453 | |
454 | return rv ; | |
455 | } | |
456 | ||
ed4205d8 | 457 | //____________________________________________________________________________ |
9a1398dd | 458 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 459 | { |
fad3e5b9 | 460 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 461 | |
462 | Bool_t rv = kFALSE ; | |
7b7c1533 | 463 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
ed4205d8 | 464 | |
2b629790 | 465 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 466 | |
2b629790 | 467 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 468 | |
469 | return rv ; | |
470 | } | |
9a1398dd | 471 | |
472 | //____________________________________________________________________________ | |
7b7c1533 | 473 | void AliPHOSClusterizerv1::WriteRecPoints(Int_t event) |
a4e98857 | 474 | { |
7b7c1533 | 475 | |
476 | // Creates new branches with given title | |
a4e98857 | 477 | // fills and writes into TreeR. |
9688c1dd | 478 | |
9688c1dd | 479 | |
7b7c1533 | 480 | AliPHOSGetter *gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 481 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
482 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
483 | TClonesArray * digits = gime->Digits(fFrom) ; | |
7b7c1533 | 484 | |
9a1398dd | 485 | Int_t index ; |
01a599c9 | 486 | //Evaluate position, dispersion and other RecPoint properties... |
7b7c1533 | 487 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
488 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->EvalAll(fW0,digits) ; | |
9a1398dd | 489 | |
7b7c1533 | 490 | emcRecPoints->Sort() ; |
7b7c1533 | 491 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
492 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 493 | |
7b7c1533 | 494 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
761e34c0 | 495 | |
9a1398dd | 496 | //Now the same for CPV |
7b7c1533 | 497 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
498 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->EvalAll(fW0CPV,digits) ; | |
9a1398dd | 499 | |
7b7c1533 | 500 | cpvRecPoints->Sort() ; |
9a1398dd | 501 | |
7b7c1533 | 502 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
503 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 504 | |
7b7c1533 | 505 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 506 | |
9a1398dd | 507 | //Make branches in TreeR for RecPoints and Clusterizer |
508 | char * filename = 0; | |
509 | if(gSystem->Getenv("CONFIG_SPLIT_FILE")!=0){ //generating file name | |
510 | filename = new char[strlen(gAlice->GetBaseFile())+20] ; | |
511 | sprintf(filename,"%s/PHOS.Reco.root",gAlice->GetBaseFile()) ; | |
512 | } | |
513 | ||
514 | //Make new branches | |
515 | TDirectory *cwd = gDirectory; | |
516 | ||
7b7c1533 | 517 | |
9a1398dd | 518 | Int_t bufferSize = 32000 ; |
519 | Int_t splitlevel = 0 ; | |
01a599c9 | 520 | |
521 | //First EMC | |
7b7c1533 | 522 | TBranch * emcBranch = gAlice->TreeR()->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 523 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 524 | if (filename) { |
525 | emcBranch->SetFile(filename); | |
526 | TIter next( emcBranch->GetListOfBranches()); | |
761e34c0 | 527 | TBranch * sb ; |
528 | while ((sb=(TBranch*)next())) { | |
529 | sb->SetFile(filename); | |
9a1398dd | 530 | } |
01a599c9 | 531 | |
9a1398dd | 532 | cwd->cd(); |
533 | } | |
534 | ||
535 | //Now CPV branch | |
7b7c1533 | 536 | TBranch * cpvBranch = gAlice->TreeR()->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 537 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 538 | if (filename) { |
539 | cpvBranch->SetFile(filename); | |
540 | TIter next( cpvBranch->GetListOfBranches()); | |
761e34c0 | 541 | TBranch * sb; |
542 | while ((sb=(TBranch*)next())) { | |
543 | sb->SetFile(filename); | |
9a1398dd | 544 | } |
545 | cwd->cd(); | |
546 | } | |
547 | ||
548 | //And Finally clusterizer branch | |
8581019b | 549 | AliPHOSClusterizerv1 * cl = this ; |
7b7c1533 | 550 | TBranch * clusterizerBranch = gAlice->TreeR()->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", |
9a1398dd | 551 | &cl,bufferSize,splitlevel); |
fc12304f | 552 | clusterizerBranch->SetTitle(BranchName()); |
9a1398dd | 553 | if (filename) { |
554 | clusterizerBranch->SetFile(filename); | |
555 | TIter next( clusterizerBranch->GetListOfBranches()); | |
761e34c0 | 556 | TBranch * sb ; |
557 | while ((sb=(TBranch*)next())) { | |
558 | sb->SetFile(filename); | |
9a1398dd | 559 | } |
560 | cwd->cd(); | |
561 | } | |
01a599c9 | 562 | emcBranch ->Fill() ; |
563 | cpvBranch ->Fill() ; | |
761e34c0 | 564 | clusterizerBranch->Fill() ; |
eec3ac52 | 565 | |
780a31c1 | 566 | gAlice->TreeR()->Write(0,kOverwrite) ; |
567 | ||
568 | delete [] filename ; | |
9a1398dd | 569 | |
570 | } | |
571 | ||
572 | //____________________________________________________________________________ | |
573 | void AliPHOSClusterizerv1::MakeClusters() | |
574 | { | |
575 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
576 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 577 | |
7b7c1533 | 578 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
579 | ||
fc12304f | 580 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
581 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
7d493c2c | 582 | emcRecPoints->Delete() ; |
583 | cpvRecPoints->Delete() ; | |
7b7c1533 | 584 | |
fc12304f | 585 | TClonesArray * digits = gime->Digits(fFrom) ; |
586 | if ( !digits ) { | |
587 | cerr << "ERROR: AliPHOSClusterizerv1::MakeClusters -> Digits with name " | |
588 | << fFrom << " not found ! " << endl ; | |
589 | abort() ; | |
590 | } | |
7b7c1533 | 591 | TClonesArray * digitsC = (TClonesArray*)digits->Clone() ; |
592 | ||
593 | ||
d15a28e7 | 594 | // Clusterization starts |
9a1398dd | 595 | |
7b7c1533 | 596 | TIter nextdigit(digitsC) ; |
d15a28e7 | 597 | AliPHOSDigit * digit ; |
92862013 | 598 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 599 | |
7b7c1533 | 600 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digitsC |
9a1398dd | 601 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 602 | |
d1de15f5 | 603 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 604 | Int_t index ; |
f2bc1b87 | 605 | |
3758d9fc | 606 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
607 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
7a9d98f9 | 608 | |
d15a28e7 | 609 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 610 | |
6ad0bfa0 | 611 | if ( IsInEmc(digit) ) { |
83974468 | 612 | // start a new EMC RecPoint |
7b7c1533 | 613 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
614 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
615 | ||
73a68ccb | 616 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; |
7b7c1533 | 617 | clu = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters) ; |
7f5d510c | 618 | fNumberOfEmcClusters++ ; |
3758d9fc | 619 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; |
9a1398dd | 620 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 621 | iDigitInCluster++ ; |
7b7c1533 | 622 | digitsC->Remove(digit) ; |
ca77b032 | 623 | |
d72dfbc3 | 624 | } else { |
83974468 | 625 | |
9688c1dd | 626 | // start a new CPV cluster |
7b7c1533 | 627 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
628 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
629 | ||
73a68ccb | 630 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; |
fad3e5b9 | 631 | |
9688c1dd | 632 | clu = (AliPHOSCpvRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters) ; |
7b7c1533 | 633 | fNumberOfCpvClusters++ ; |
3758d9fc | 634 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; |
9a1398dd | 635 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 636 | iDigitInCluster++ ; |
7b7c1533 | 637 | digitsC->Remove(digit) ; |
d15a28e7 | 638 | nextdigit.Reset() ; |
639 | ||
7b7c1533 | 640 | // Here we remove remaining EMC digits, which cannot make a cluster |
fad3e5b9 | 641 | |
92862013 | 642 | if( notremoved ) { |
9f616d61 | 643 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 644 | if( IsInEmc(digit) ) |
7b7c1533 | 645 | digitsC->Remove(digit) ; |
d15a28e7 | 646 | else |
647 | break ; | |
d72dfbc3 | 648 | } |
649 | notremoved = kFALSE ; | |
650 | } | |
d15a28e7 | 651 | |
652 | } // else | |
653 | ||
654 | nextdigit.Reset() ; | |
fad3e5b9 | 655 | |
d15a28e7 | 656 | AliPHOSDigit * digitN ; |
657 | index = 0 ; | |
9f616d61 | 658 | while (index < iDigitInCluster){ // scan over digits already in cluster |
7b7c1533 | 659 | digit = (AliPHOSDigit*)digits->At(clusterdigitslist[index]) ; |
9f616d61 | 660 | index++ ; |
d15a28e7 | 661 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 662 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 663 | switch (ineb ) { |
9f616d61 | 664 | case 0 : // not a neighbour |
d72dfbc3 | 665 | break ; |
9f616d61 | 666 | case 1 : // are neighbours |
3758d9fc | 667 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; |
9a1398dd | 668 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 669 | iDigitInCluster++ ; |
7b7c1533 | 670 | digitsC->Remove(digitN) ; |
d15a28e7 | 671 | break ; |
9f616d61 | 672 | case 2 : // too far from each other |
d15a28e7 | 673 | goto endofloop; |
674 | } // switch | |
675 | ||
676 | } // while digitN | |
fad3e5b9 | 677 | |
d15a28e7 | 678 | endofloop: ; |
679 | nextdigit.Reset() ; | |
680 | ||
681 | } // loop over cluster | |
ad8cfaf4 | 682 | |
ad8cfaf4 | 683 | } // energy theshold |
ad8cfaf4 | 684 | |
31aa6d6c | 685 | |
d15a28e7 | 686 | } // while digit |
687 | ||
7b7c1533 | 688 | delete digitsC ; |
9688c1dd | 689 | |
9a1398dd | 690 | } |
691 | ||
692 | //____________________________________________________________________________ | |
a4e98857 | 693 | void AliPHOSClusterizerv1::MakeUnfolding() |
694 | { | |
695 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 696 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 697 | |
7b7c1533 | 698 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
699 | ||
fc12304f | 700 | |
7b7c1533 | 701 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fc12304f | 702 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
703 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
704 | TClonesArray * digits = gime->Digits(fFrom) ; | |
7b7c1533 | 705 | |
a4e98857 | 706 | // Unfold first EMC clusters |
9a1398dd | 707 | if(fNumberOfEmcClusters > 0){ |
708 | ||
7b7c1533 | 709 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 710 | |
711 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
712 | Int_t index ; | |
713 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
714 | ||
7b7c1533 | 715 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) emcRecPoints->At(index) ; |
9a1398dd | 716 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
717 | break ; | |
718 | ||
719 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 720 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 721 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 722 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 723 | |
724 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
725 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 726 | emcRecPoints->Remove(emcRecPoint); |
727 | emcRecPoints->Compress() ; | |
9a1398dd | 728 | index-- ; |
729 | fNumberOfEmcClusters -- ; | |
730 | numberofNotUnfolded-- ; | |
731 | } | |
732 | ||
733 | delete[] maxAt ; | |
734 | delete[] maxAtEnergy ; | |
735 | } | |
736 | } | |
a4e98857 | 737 | // Unfolding of EMC clusters finished |
9a1398dd | 738 | |
739 | ||
a4e98857 | 740 | // Unfold now CPV clusters |
9a1398dd | 741 | if(fNumberOfCpvClusters > 0){ |
742 | ||
9688c1dd | 743 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 744 | |
745 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
746 | Int_t index ; | |
747 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
748 | ||
7b7c1533 | 749 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) cpvRecPoints->At(index) ; |
9a1398dd | 750 | |
751 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
752 | break ; | |
753 | ||
754 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
755 | ||
756 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 757 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 758 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 759 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 760 | |
761 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
762 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 763 | cpvRecPoints->Remove(emcRecPoint); |
764 | cpvRecPoints->Compress() ; | |
9a1398dd | 765 | index-- ; |
766 | numberofCpvNotUnfolded-- ; | |
767 | fNumberOfCpvClusters-- ; | |
768 | } | |
769 | ||
770 | delete[] maxAt ; | |
771 | delete[] maxAtEnergy ; | |
772 | } | |
773 | } | |
774 | //Unfolding of Cpv clusters finished | |
775 | ||
776 | } | |
777 | ||
9a1398dd | 778 | //____________________________________________________________________________ |
779 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
780 | { | |
781 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 782 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 783 | |
784 | Double_t r4 = r*r*r*r ; | |
785 | Double_t r295 = TMath::Power(r, 2.95) ; | |
786 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
787 | return shape ; | |
788 | } | |
789 | ||
790 | //____________________________________________________________________________ | |
791 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
792 | Int_t nMax, | |
a0636361 | 793 | AliPHOSDigit ** maxAt, |
9a1398dd | 794 | Float_t * maxAtEnergy) |
795 | { | |
796 | // Performs the unfolding of a cluster with nMax overlapping showers | |
797 | ||
7b7c1533 | 798 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 799 | |
7b7c1533 | 800 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fc12304f | 801 | const TClonesArray * digits = gime->Digits(fFrom) ; |
802 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; | |
803 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
7b7c1533 | 804 | |
9a1398dd | 805 | Int_t nPar = 3 * nMax ; |
806 | Float_t * fitparameters = new Float_t[nPar] ; | |
807 | ||
808 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
809 | if( !rv ) { | |
810 | // Fit failed, return and remove cluster | |
811 | delete[] fitparameters ; | |
812 | return ; | |
813 | } | |
814 | ||
815 | // create ufolded rec points and fill them with new energy lists | |
816 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
817 | // and later correct this number in acordance with actual energy deposition | |
818 | ||
819 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
820 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 821 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
822 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 823 | Int_t relid[4] ; |
7b7c1533 | 824 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 825 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
826 | ||
827 | Int_t iparam ; | |
828 | Int_t iDigit ; | |
829 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 830 | digit = (AliPHOSDigit*) digits->At(emcDigits[iDigit] ) ; |
831 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
832 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 833 | efit[iDigit] = 0; |
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 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
842 | distance = TMath::Sqrt(distance) ; | |
843 | efit[iDigit] += epar * ShowerShape(distance) ; | |
844 | } | |
845 | } | |
846 | ||
847 | ||
848 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
849 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
850 | // to its contribution to efit | |
851 | ||
852 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
853 | Float_t ratio ; | |
854 | ||
855 | iparam = 0 ; | |
856 | while(iparam < nPar ){ | |
857 | xpar = fitparameters[iparam] ; | |
858 | zpar = fitparameters[iparam+1] ; | |
859 | epar = fitparameters[iparam+2] ; | |
860 | iparam += 3 ; | |
861 | ||
7b7c1533 | 862 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 863 | |
864 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
865 | ||
7b7c1533 | 866 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
867 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
9a1398dd | 868 | |
73a68ccb | 869 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
7b7c1533 | 870 | emcRP = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters); |
9a1398dd | 871 | fNumberOfEmcClusters++ ; |
872 | } | |
873 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 874 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
875 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
9a1398dd | 876 | |
73a68ccb | 877 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
7b7c1533 | 878 | emcRP = (AliPHOSEmcRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters); |
9a1398dd | 879 | fNumberOfCpvClusters++ ; |
880 | } | |
881 | ||
882 | Float_t eDigit ; | |
883 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 884 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; |
885 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
886 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 887 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
888 | distance = TMath::Sqrt(distance) ; | |
889 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
890 | eDigit = emcEnergies[iDigit] * ratio ; | |
891 | emcRP->AddDigit( *digit, eDigit ) ; | |
892 | } | |
893 | } | |
894 | ||
895 | delete[] fitparameters ; | |
896 | delete[] efit ; | |
897 | ||
898 | } | |
899 | ||
900 | //_____________________________________________________________________________ | |
901 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
902 | { | |
a4e98857 | 903 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 904 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
905 | ||
9a1398dd | 906 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; |
907 | ||
908 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
909 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
910 | ||
911 | ||
912 | ||
913 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
914 | ||
915 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
916 | ||
7b7c1533 | 917 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 918 | |
919 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
920 | ||
01a599c9 | 921 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
9a1398dd | 922 | fret = 0. ; |
923 | Int_t iparam ; | |
924 | ||
925 | if(iflag == 2) | |
926 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
927 | Grad[iparam] = 0 ; // Will evaluate gradient | |
928 | ||
929 | Double_t efit ; | |
930 | ||
931 | AliPHOSDigit * digit ; | |
932 | Int_t iDigit ; | |
933 | ||
7b7c1533 | 934 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 935 | |
936 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
937 | ||
938 | Int_t relid[4] ; | |
939 | Float_t xDigit ; | |
940 | Float_t zDigit ; | |
941 | ||
942 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
943 | ||
944 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
945 | ||
946 | if(iflag == 2){ // calculate gradient | |
947 | Int_t iParam = 0 ; | |
948 | efit = 0 ; | |
949 | while(iParam < nPar ){ | |
950 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
951 | iParam++ ; | |
952 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
953 | distance = TMath::Sqrt( distance ) ; | |
954 | iParam++ ; | |
955 | efit += x[iParam] * ShowerShape(distance) ; | |
956 | iParam++ ; | |
957 | } | |
958 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
959 | iParam = 0 ; | |
960 | while(iParam < nPar ){ | |
961 | Double_t xpar = x[iParam] ; | |
962 | Double_t zpar = x[iParam+1] ; | |
963 | Double_t epar = x[iParam+2] ; | |
964 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
965 | Double_t shape = sum * ShowerShape(dr) ; | |
966 | Double_t r4 = dr*dr*dr*dr ; | |
967 | Double_t r295 = TMath::Power(dr,2.95) ; | |
968 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
969 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
970 | ||
971 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
972 | iParam++ ; | |
973 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
974 | iParam++ ; | |
975 | Grad[iParam] += shape ; // Derivative over energy | |
976 | iParam++ ; | |
977 | } | |
978 | } | |
979 | efit = 0; | |
980 | iparam = 0 ; | |
981 | ||
982 | while(iparam < nPar ){ | |
983 | Double_t xpar = x[iparam] ; | |
984 | Double_t zpar = x[iparam+1] ; | |
985 | Double_t epar = x[iparam+2] ; | |
986 | iparam += 3 ; | |
987 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
988 | distance = TMath::Sqrt(distance) ; | |
989 | efit += epar * ShowerShape(distance) ; | |
990 | } | |
991 | ||
992 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
993 | // Here we assume, that sigma = sqrt(E) | |
994 | } | |
83974468 | 995 | |
d15a28e7 | 996 | } |
997 | ||
998 | //____________________________________________________________________________ | |
9a1398dd | 999 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 1000 | { |
d1de15f5 | 1001 | // Print clusterizer parameters |
1002 | ||
7b7c1533 | 1003 | if( strcmp(GetName(), "") !=0 ){ |
9a1398dd | 1004 | |
1005 | // Print parameters | |
7b7c1533 | 1006 | |
1007 | TString taskName(GetName()) ; | |
1008 | taskName.ReplaceAll(Version(), "") ; | |
1009 | ||
1010 | cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl | |
9a1398dd | 1011 | << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl |
1012 | << " Branch: " << fDigitsBranchTitle.Data() << endl | |
1013 | << endl | |
1014 | << " EMC Clustering threshold = " << fEmcClusteringThreshold << endl | |
1015 | << " EMC Local Maximum cut = " << fEmcLocMaxCut << endl | |
1016 | << " EMC Logarothmic weight = " << fW0 << endl | |
1017 | << endl | |
1018 | << " CPV Clustering threshold = " << fCpvClusteringThreshold << endl | |
1019 | << " CPV Local Maximum cut = " << fCpvLocMaxCut << endl | |
1020 | << " CPV Logarothmic weight = " << fW0CPV << endl | |
9688c1dd | 1021 | << endl ; |
9a1398dd | 1022 | if(fToUnfold) |
1023 | cout << " Unfolding on " << endl ; | |
1024 | else | |
1025 | cout << " Unfolding off " << endl ; | |
1026 | ||
1027 | cout << "------------------------------------------------------------------" <<endl ; | |
1028 | } | |
1029 | else | |
1030 | cout << " AliPHOSClusterizerv1 not initialized " << endl ; | |
1031 | } | |
1032 | //____________________________________________________________________________ | |
a4e98857 | 1033 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
1034 | { | |
1035 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 1036 | |
fc12304f | 1037 | TObjArray * emcRecPoints = AliPHOSGetter::GetInstance()->EmcRecPoints(BranchName()) ; |
1038 | TObjArray * cpvRecPoints = AliPHOSGetter::GetInstance()->CpvRecPoints(BranchName()) ; | |
7b7c1533 | 1039 | |
01a599c9 | 1040 | cout << "AliPHOSClusterizerv1: : event "<<gAlice->GetEvNumber() << endl ; |
7b7c1533 | 1041 | cout << " Found "<< emcRecPoints->GetEntriesFast() << " EMC Rec Points and " |
1042 | << cpvRecPoints->GetEntriesFast() << " CPV RecPoints" << endl ; | |
9a1398dd | 1043 | |
2b60655b | 1044 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; |
1045 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
1046 | ||
9a1398dd | 1047 | if(strstr(option,"all")) { |
1048 | cout << "EMC clusters " << endl ; | |
9688c1dd | 1049 | cout << " Index Ene(MeV) Multi Module X Y Z Lambda 1 Lambda 2 # of prim Primaries list " << endl; |
9a1398dd | 1050 | |
1051 | Int_t index ; | |
7b7c1533 | 1052 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
1053 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 1054 | TVector3 locpos; |
1055 | rp->GetLocalPosition(locpos); | |
9a1398dd | 1056 | Float_t lambda[2]; |
1057 | rp->GetElipsAxis(lambda); | |
9a1398dd | 1058 | Int_t * primaries; |
1059 | Int_t nprimaries; | |
1060 | primaries = rp->GetPrimaries(nprimaries); | |
9a1398dd | 1061 | |
9688c1dd | 1062 | cout << setw(4) << rp->GetIndexInList() << " " |
1063 | << setw(7) << setprecision(3) << rp->GetEnergy() << " " | |
1064 | << setw(3) << rp->GetMultiplicity() << " " | |
1065 | << setw(1) << rp->GetPHOSMod() << " " | |
1066 | << setw(6) << setprecision(2) << locpos.X() << " " | |
1067 | << setw(6) << setprecision(2) << locpos.Y() << " " | |
1068 | << setw(6) << setprecision(2) << locpos.Z() << " " | |
1069 | << setw(4) << setprecision(2) << lambda[0] << " " | |
1070 | << setw(4) << setprecision(2) << lambda[1] << " " | |
1071 | << setw(2) << nprimaries << " " ; | |
1072 | ||
9a1398dd | 1073 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) |
9688c1dd | 1074 | cout << setw(4) << primaries[iprimary] << " " ; |
1075 | cout << endl ; | |
9a1398dd | 1076 | } |
9a1398dd | 1077 | |
9688c1dd | 1078 | //Now plot CPV recPoints |
9a1398dd | 1079 | cout << "EMC clusters " << endl ; |
1080 | cout << " Index " | |
1081 | << " Multi " | |
1082 | << " Module " | |
9a1398dd | 1083 | << " X " |
1084 | << " Y " | |
1085 | << " Z " | |
1086 | << " # of prim " | |
1087 | << " Primaries list " << endl; | |
1088 | ||
7b7c1533 | 1089 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { |
1090 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
9a1398dd | 1091 | cout << setw(6) << rp->GetIndexInList() << " "; |
9688c1dd | 1092 | cout << setw(6) << rp->GetPHOSMod() << " CPV "; |
9a1398dd | 1093 | |
1094 | TVector3 locpos; | |
1095 | rp->GetLocalPosition(locpos); | |
9688c1dd | 1096 | cout << setw(6) << locpos.X() << " "; |
1097 | cout << setw(6) << locpos.Y() << " "; | |
1098 | cout << setw(6) << locpos.Z() << " "; | |
9a1398dd | 1099 | |
1100 | Int_t * primaries; | |
9688c1dd | 1101 | Int_t nprimaries ; |
9a1398dd | 1102 | primaries = rp->GetPrimaries(nprimaries); |
9688c1dd | 1103 | cout << setw(6) << nprimaries << " "; |
9a1398dd | 1104 | |
1105 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1106 | cout << setw(4) << primaries[iprimary] << " "; | |
1107 | cout << endl; | |
1108 | } | |
1109 | ||
1110 | ||
9688c1dd | 1111 | cout << "-----------------------------------------------------------------------"<<endl ; |
9a1398dd | 1112 | } |
d15a28e7 | 1113 | } |
9a1398dd | 1114 |