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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: | |
40 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root") | |
41 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated | |
9a1398dd | 42 | // //reads gAlice from header file "..." |
a4e98857 | 43 | // root [1] cl->ExecuteTask() |
9a1398dd | 44 | // //finds RecPoints in all events stored in galice.root |
a4e98857 | 45 | // root [2] cl->SetDigitsBranch("digits2") |
f035f6ce | 46 | // //sets another title for Digitis (input) branch |
a4e98857 | 47 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 48 | // //sets another title four output branches |
a4e98857 | 49 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
9a1398dd | 50 | // //set clusterization parameters |
a4e98857 | 51 | // root [5] cl->ExecuteTask("deb all time") |
9a1398dd | 52 | // //once more finds RecPoints options are |
53 | // // deb - print number of found rec points | |
54 | // // deb all - print number of found RecPoints and some their characteristics | |
55 | // // time - print benchmarking results | |
ed4205d8 | 56 | |
d15a28e7 | 57 | // --- ROOT system --- |
58 | ||
9a1398dd | 59 | #include "TROOT.h" |
60 | #include "TFile.h" | |
61 | #include "TFolder.h" | |
d15a28e7 | 62 | #include "TMath.h" |
9a1398dd | 63 | #include "TMinuit.h" |
64 | #include "TTree.h" | |
65 | #include "TSystem.h" | |
66 | #include "TBenchmark.h" | |
d15a28e7 | 67 | |
68 | // --- Standard library --- | |
69 | ||
de9ec31b | 70 | #include <iostream.h> |
9a1398dd | 71 | #include <iomanip.h> |
d15a28e7 | 72 | |
73 | // --- AliRoot header files --- | |
74 | ||
75 | #include "AliPHOSClusterizerv1.h" | |
9a1398dd | 76 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 77 | #include "AliPHOSDigit.h" |
9a1398dd | 78 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 79 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 80 | #include "AliPHOS.h" |
7b7c1533 | 81 | #include "AliPHOSGetter.h" |
9a1398dd | 82 | #include "AliRun.h" |
d15a28e7 | 83 | |
84 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 85 | |
d15a28e7 | 86 | //____________________________________________________________________________ |
7b7c1533 | 87 | AliPHOSClusterizerv1::AliPHOSClusterizerv1() : AliPHOSClusterizer() |
d15a28e7 | 88 | { |
f035f6ce | 89 | // default ctor (to be used mainly by Streamer) |
f035f6ce | 90 | |
9a1398dd | 91 | fNumberOfCpvClusters = 0 ; |
d15a28e7 | 92 | fNumberOfEmcClusters = 0 ; |
f035f6ce | 93 | |
9a1398dd | 94 | fCpvClusteringThreshold = 0.0; |
c3c187e5 | 95 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 96 | |
97 | fEmcLocMaxCut = 0.03 ; | |
98 | fCpvLocMaxCut = 0.03 ; | |
99 | ||
100 | fW0 = 4.5 ; | |
101 | fW0CPV = 4.0 ; | |
9a1398dd | 102 | |
9688c1dd | 103 | fEmcTimeGate = 1.e-8 ; |
104 | ||
105 | fToUnfold = kTRUE ; | |
106 | ||
7b7c1533 | 107 | fHeaderFileName = "" ; |
108 | fDigitsBranchTitle = "" ; | |
9688c1dd | 109 | fRecPointsInRun = 0 ; |
9a1398dd | 110 | } |
7b7c1533 | 111 | |
9a1398dd | 112 | //____________________________________________________________________________ |
7b7c1533 | 113 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* name) |
114 | :AliPHOSClusterizer(headerFile, name) | |
9a1398dd | 115 | { |
a4e98857 | 116 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 117 | |
7b7c1533 | 118 | |
9a1398dd | 119 | fNumberOfCpvClusters = 0 ; |
120 | fNumberOfEmcClusters = 0 ; | |
f035f6ce | 121 | |
ed4205d8 | 122 | fCpvClusteringThreshold = 0.0; |
9a1398dd | 123 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 124 | |
125 | fEmcLocMaxCut = 0.03 ; | |
126 | fCpvLocMaxCut = 0.03 ; | |
127 | ||
d15a28e7 | 128 | fW0 = 4.5 ; |
c3c187e5 | 129 | fW0CPV = 4.0 ; |
9688c1dd | 130 | |
131 | fEmcTimeGate = 1.e-8 ; | |
9a1398dd | 132 | |
2bd5457f | 133 | fToUnfold = kTRUE ; |
9a1398dd | 134 | |
7b7c1533 | 135 | fHeaderFileName = GetTitle() ; |
136 | fDigitsBranchTitle = GetName() ; | |
9688c1dd | 137 | |
138 | TString clusterizerName( GetName()) ; | |
139 | clusterizerName.Append(":") ; | |
140 | clusterizerName.Append(Version()) ; | |
141 | SetName(clusterizerName) ; | |
2b60655b | 142 | fRecPointsInRun = 0 ; |
143 | ||
2bd5457f | 144 | Init() ; |
9a1398dd | 145 | |
146 | } | |
9688c1dd | 147 | //____________________________________________________________________________ |
148 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
149 | { | |
150 | } | |
9a1398dd | 151 | //____________________________________________________________________________ |
3758d9fc | 152 | Float_t AliPHOSClusterizerv1::Calibrate(Int_t amp, Int_t absId) const |
153 | { | |
154 | if(absId <= fEmcCrystals) //calibrate as EMC | |
155 | return fADCpedestalEmc + amp*fADCchanelEmc ; | |
156 | else //Digitize as CPV | |
157 | return fADCpedestalCpv+ amp*fADCchanelCpv ; | |
158 | } | |
159 | //____________________________________________________________________________ | |
a4e98857 | 160 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
161 | { | |
7b7c1533 | 162 | // Steering method |
9a1398dd | 163 | |
7b7c1533 | 164 | if( strcmp(GetName(), "")== 0 ) |
165 | Init() ; | |
9a1398dd | 166 | |
167 | if(strstr(option,"tim")) | |
7d493c2c | 168 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 169 | |
7b7c1533 | 170 | if(strstr(option,"print")) |
171 | Print("") ; | |
172 | ||
127e12ac | 173 | gAlice->GetEvent(0) ; |
9688c1dd | 174 | |
175 | //check, if the branch with name of this" already exits? | |
7b7c1533 | 176 | TObjArray * lob = (TObjArray*)gAlice->TreeR()->GetListOfBranches() ; |
177 | TIter next(lob) ; | |
178 | TBranch * branch = 0 ; | |
179 | Bool_t phosemcfound = kFALSE, phoscpvfound = kFALSE, clusterizerfound = kFALSE ; | |
7b7c1533 | 180 | |
9688c1dd | 181 | TString branchname = GetName() ; |
182 | branchname.Remove(branchname.Index(Version())-1) ; | |
183 | ||
7b7c1533 | 184 | while ( (branch = (TBranch*)next()) && (!phosemcfound || !phoscpvfound || !clusterizerfound) ) { |
9688c1dd | 185 | if ( (strcmp(branch->GetName(), "PHOSEmcRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 186 | phosemcfound = kTRUE ; |
187 | ||
9688c1dd | 188 | else if ( (strcmp(branch->GetName(), "PHOSCpvRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 189 | phoscpvfound = kTRUE ; |
190 | ||
9688c1dd | 191 | else if ((strcmp(branch->GetName(), "AliPHOSClusterizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) ) |
7b7c1533 | 192 | clusterizerfound = kTRUE ; |
193 | } | |
194 | ||
195 | if ( phoscpvfound || phosemcfound || clusterizerfound ) { | |
196 | cerr << "WARNING: AliPHOSClusterizer::Exec -> Emc(Cpv)RecPoints and/or Clusterizer branch with name " | |
9688c1dd | 197 | << branchname.Data() << " already exits" << endl ; |
7b7c1533 | 198 | return ; |
199 | } | |
200 | ||
127e12ac | 201 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7b7c1533 | 202 | Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ; |
203 | Int_t ievent ; | |
204 | ||
205 | for(ievent = 0; ievent < nevents; ievent++){ | |
01a599c9 | 206 | |
3758d9fc | 207 | if(ievent == 0) GetCalibrationParameters() ; |
127e12ac | 208 | |
209 | fNumberOfEmcClusters = 0 ; | |
210 | fNumberOfCpvClusters = 0 ; | |
211 | ||
212 | gime->Event(ievent,"D") ; | |
9688c1dd | 213 | |
214 | // if(!ReadDigits(ievent)) continue; //reads digits for event ievent | |
215 | ||
9a1398dd | 216 | MakeClusters() ; |
217 | ||
9688c1dd | 218 | if(fToUnfold) 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 | |
226 | fRecPointsInRun += gime->EmcRecPoints()->GetEntriesFast() ; | |
227 | fRecPointsInRun += gime->CpvRecPoints()->GetEntriesFast() ; | |
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 | //____________________________________________________________________________ | |
241 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, int * 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() ; |
249 | TClonesArray * digits = gime->Digits() ; | |
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++){ | |
275 | digit = (AliPHOSDigit *) maxAt[iDigit]; | |
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) ; | |
339 | AliPHOSDigitizer * dig = gime->Digitizer(branchname) ; | |
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 | |
9688c1dd | 359 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), branchname) ; |
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) ; | |
370 | ||
127e12ac | 371 | gime->PostClusterizer(this) ; |
7b7c1533 | 372 | // create a folder on the white board //YSAlice/WhiteBoard/RecPoints/PHOS/recpointsName |
9688c1dd | 373 | gime->PostRecPoints(branchname ) ; |
127e12ac | 374 | |
9688c1dd | 375 | gime->PostDigits(branchname) ; |
376 | gime->PostDigitizer(branchname) ; | |
7b7c1533 | 377 | |
9a1398dd | 378 | } |
7b7c1533 | 379 | |
9a1398dd | 380 | //____________________________________________________________________________ |
381 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 382 | { |
b2a60966 | 383 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
384 | // = 1 are neighbour | |
385 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 386 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 387 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
388 | // which is compared to a digit (d2) not yet in a cluster | |
389 | ||
7b7c1533 | 390 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
391 | ||
d15a28e7 | 392 | Int_t rv = 0 ; |
393 | ||
d15a28e7 | 394 | Int_t relid1[4] ; |
7b7c1533 | 395 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 396 | |
397 | Int_t relid2[4] ; | |
7b7c1533 | 398 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 399 | |
9688c1dd | 400 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 401 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
402 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 403 | |
92862013 | 404 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 405 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 406 | rv = 1 ; |
407 | } | |
408 | else { | |
409 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
410 | rv = 2; // Difference in row numbers is too large to look further | |
411 | } | |
412 | ||
413 | } | |
414 | else { | |
415 | ||
9688c1dd | 416 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 417 | rv=2 ; |
418 | ||
419 | } | |
d72dfbc3 | 420 | |
d15a28e7 | 421 | return rv ; |
422 | } | |
423 | ||
d15a28e7 | 424 | |
425 | //____________________________________________________________________________ | |
9a1398dd | 426 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 427 | { |
b2a60966 | 428 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
429 | ||
9f616d61 | 430 | Bool_t rv = kFALSE ; |
7b7c1533 | 431 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
d15a28e7 | 432 | |
d15a28e7 | 433 | Int_t relid[4] ; |
7b7c1533 | 434 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 435 | |
ed4205d8 | 436 | if ( relid[1] == 0 ) rv = kTRUE; |
437 | ||
438 | return rv ; | |
439 | } | |
440 | ||
ed4205d8 | 441 | //____________________________________________________________________________ |
9a1398dd | 442 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 443 | { |
fad3e5b9 | 444 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 445 | |
446 | Bool_t rv = kFALSE ; | |
7b7c1533 | 447 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
ed4205d8 | 448 | |
449 | Int_t relid[4] ; | |
7b7c1533 | 450 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
ed4205d8 | 451 | |
9688c1dd | 452 | if ( relid[1] != 0 ) rv = kTRUE; |
d15a28e7 | 453 | |
454 | return rv ; | |
455 | } | |
9a1398dd | 456 | |
457 | //____________________________________________________________________________ | |
7b7c1533 | 458 | void AliPHOSClusterizerv1::WriteRecPoints(Int_t event) |
a4e98857 | 459 | { |
7b7c1533 | 460 | |
461 | // Creates new branches with given title | |
a4e98857 | 462 | // fills and writes into TreeR. |
9688c1dd | 463 | |
464 | TString branchName(GetName() ) ; | |
465 | branchName.Remove(branchName.Index(Version())-1) ; | |
466 | ||
7b7c1533 | 467 | AliPHOSGetter *gime = AliPHOSGetter::GetInstance() ; |
127e12ac | 468 | TObjArray * emcRecPoints = gime->EmcRecPoints(branchName) ; |
469 | TObjArray * cpvRecPoints = gime->CpvRecPoints(branchName) ; | |
470 | TClonesArray * digits = gime->Digits(branchName) ; | |
7b7c1533 | 471 | |
9a1398dd | 472 | Int_t index ; |
01a599c9 | 473 | //Evaluate position, dispersion and other RecPoint properties... |
7b7c1533 | 474 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
475 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->EvalAll(fW0,digits) ; | |
9a1398dd | 476 | |
7b7c1533 | 477 | emcRecPoints->Sort() ; |
9a1398dd | 478 | |
7b7c1533 | 479 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
480 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 481 | |
7b7c1533 | 482 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
761e34c0 | 483 | |
9a1398dd | 484 | //Now the same for CPV |
7b7c1533 | 485 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
486 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->EvalAll(fW0CPV,digits) ; | |
9a1398dd | 487 | |
7b7c1533 | 488 | cpvRecPoints->Sort() ; |
9a1398dd | 489 | |
7b7c1533 | 490 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
491 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 492 | |
7b7c1533 | 493 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 494 | |
9a1398dd | 495 | //Make branches in TreeR for RecPoints and Clusterizer |
496 | char * filename = 0; | |
497 | if(gSystem->Getenv("CONFIG_SPLIT_FILE")!=0){ //generating file name | |
498 | filename = new char[strlen(gAlice->GetBaseFile())+20] ; | |
499 | sprintf(filename,"%s/PHOS.Reco.root",gAlice->GetBaseFile()) ; | |
500 | } | |
501 | ||
502 | //Make new branches | |
503 | TDirectory *cwd = gDirectory; | |
504 | ||
7b7c1533 | 505 | |
9a1398dd | 506 | Int_t bufferSize = 32000 ; |
507 | Int_t splitlevel = 0 ; | |
01a599c9 | 508 | |
509 | //First EMC | |
7b7c1533 | 510 | TBranch * emcBranch = gAlice->TreeR()->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
511 | emcBranch->SetTitle(branchName); | |
9a1398dd | 512 | if (filename) { |
513 | emcBranch->SetFile(filename); | |
514 | TIter next( emcBranch->GetListOfBranches()); | |
761e34c0 | 515 | TBranch * sb ; |
516 | while ((sb=(TBranch*)next())) { | |
517 | sb->SetFile(filename); | |
9a1398dd | 518 | } |
01a599c9 | 519 | |
9a1398dd | 520 | cwd->cd(); |
521 | } | |
522 | ||
523 | //Now CPV branch | |
7b7c1533 | 524 | TBranch * cpvBranch = gAlice->TreeR()->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
525 | cpvBranch->SetTitle(branchName); | |
9a1398dd | 526 | if (filename) { |
527 | cpvBranch->SetFile(filename); | |
528 | TIter next( cpvBranch->GetListOfBranches()); | |
761e34c0 | 529 | TBranch * sb; |
530 | while ((sb=(TBranch*)next())) { | |
531 | sb->SetFile(filename); | |
9a1398dd | 532 | } |
533 | cwd->cd(); | |
534 | } | |
535 | ||
536 | //And Finally clusterizer branch | |
127e12ac | 537 | AliPHOSClusterizerv1 * cl = (AliPHOSClusterizerv1*)gime->Clusterizer(branchName) ; |
7b7c1533 | 538 | TBranch * clusterizerBranch = gAlice->TreeR()->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", |
9a1398dd | 539 | &cl,bufferSize,splitlevel); |
7b7c1533 | 540 | clusterizerBranch->SetTitle(branchName); |
9a1398dd | 541 | if (filename) { |
542 | clusterizerBranch->SetFile(filename); | |
543 | TIter next( clusterizerBranch->GetListOfBranches()); | |
761e34c0 | 544 | TBranch * sb ; |
545 | while ((sb=(TBranch*)next())) { | |
546 | sb->SetFile(filename); | |
9a1398dd | 547 | } |
548 | cwd->cd(); | |
549 | } | |
01a599c9 | 550 | emcBranch ->Fill() ; |
551 | cpvBranch ->Fill() ; | |
761e34c0 | 552 | clusterizerBranch->Fill() ; |
eec3ac52 | 553 | |
9a1398dd | 554 | gAlice->TreeR()->Write(0,kOverwrite) ; |
555 | ||
556 | } | |
557 | ||
558 | //____________________________________________________________________________ | |
559 | void AliPHOSClusterizerv1::MakeClusters() | |
560 | { | |
561 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
562 | // A cluster is defined as a list of neighbour digits | |
127e12ac | 563 | TString branchName(GetName()) ; |
564 | branchName.Remove(branchName.Index(Version())-1) ; | |
d15a28e7 | 565 | |
7b7c1533 | 566 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
567 | ||
127e12ac | 568 | TObjArray * emcRecPoints = gime->EmcRecPoints(branchName) ; |
569 | TObjArray * cpvRecPoints = gime->CpvRecPoints(branchName) ; | |
7d493c2c | 570 | emcRecPoints->Delete() ; |
571 | cpvRecPoints->Delete() ; | |
7b7c1533 | 572 | |
127e12ac | 573 | TClonesArray * digits = gime->Digits(branchName) ; |
7b7c1533 | 574 | TClonesArray * digitsC = (TClonesArray*)digits->Clone() ; |
575 | ||
576 | ||
d15a28e7 | 577 | // Clusterization starts |
9a1398dd | 578 | |
7b7c1533 | 579 | TIter nextdigit(digitsC) ; |
d15a28e7 | 580 | AliPHOSDigit * digit ; |
92862013 | 581 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 582 | |
7b7c1533 | 583 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digitsC |
9a1398dd | 584 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 585 | |
d1de15f5 | 586 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 587 | Int_t index ; |
f2bc1b87 | 588 | |
3758d9fc | 589 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
590 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
7a9d98f9 | 591 | |
d15a28e7 | 592 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 593 | |
6ad0bfa0 | 594 | if ( IsInEmc(digit) ) { |
83974468 | 595 | // start a new EMC RecPoint |
7b7c1533 | 596 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
597 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
598 | ||
599 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(), fNumberOfEmcClusters) ; | |
600 | clu = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters) ; | |
7f5d510c | 601 | fNumberOfEmcClusters++ ; |
3758d9fc | 602 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; |
9a1398dd | 603 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 604 | iDigitInCluster++ ; |
7b7c1533 | 605 | digitsC->Remove(digit) ; |
ca77b032 | 606 | |
d72dfbc3 | 607 | } else { |
83974468 | 608 | |
9688c1dd | 609 | // start a new CPV cluster |
7b7c1533 | 610 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
611 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
612 | ||
9688c1dd | 613 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(), fNumberOfCpvClusters) ; |
fad3e5b9 | 614 | |
9688c1dd | 615 | clu = (AliPHOSCpvRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters) ; |
7b7c1533 | 616 | fNumberOfCpvClusters++ ; |
3758d9fc | 617 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; |
9a1398dd | 618 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 619 | iDigitInCluster++ ; |
7b7c1533 | 620 | digitsC->Remove(digit) ; |
d15a28e7 | 621 | nextdigit.Reset() ; |
622 | ||
7b7c1533 | 623 | // Here we remove remaining EMC digits, which cannot make a cluster |
fad3e5b9 | 624 | |
92862013 | 625 | if( notremoved ) { |
9f616d61 | 626 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 627 | if( IsInEmc(digit) ) |
7b7c1533 | 628 | digitsC->Remove(digit) ; |
d15a28e7 | 629 | else |
630 | break ; | |
d72dfbc3 | 631 | } |
632 | notremoved = kFALSE ; | |
633 | } | |
d15a28e7 | 634 | |
635 | } // else | |
636 | ||
637 | nextdigit.Reset() ; | |
fad3e5b9 | 638 | |
d15a28e7 | 639 | AliPHOSDigit * digitN ; |
640 | index = 0 ; | |
9f616d61 | 641 | while (index < iDigitInCluster){ // scan over digits already in cluster |
7b7c1533 | 642 | digit = (AliPHOSDigit*)digits->At(clusterdigitslist[index]) ; |
9f616d61 | 643 | index++ ; |
d15a28e7 | 644 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 645 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 646 | switch (ineb ) { |
9f616d61 | 647 | case 0 : // not a neighbour |
d72dfbc3 | 648 | break ; |
9f616d61 | 649 | case 1 : // are neighbours |
3758d9fc | 650 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; |
9a1398dd | 651 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 652 | iDigitInCluster++ ; |
7b7c1533 | 653 | digitsC->Remove(digitN) ; |
d15a28e7 | 654 | break ; |
9f616d61 | 655 | case 2 : // too far from each other |
d15a28e7 | 656 | goto endofloop; |
657 | } // switch | |
658 | ||
659 | } // while digitN | |
fad3e5b9 | 660 | |
d15a28e7 | 661 | endofloop: ; |
662 | nextdigit.Reset() ; | |
663 | ||
664 | } // loop over cluster | |
ad8cfaf4 | 665 | |
ad8cfaf4 | 666 | } // energy theshold |
ad8cfaf4 | 667 | |
31aa6d6c | 668 | |
d15a28e7 | 669 | } // while digit |
670 | ||
7b7c1533 | 671 | delete digitsC ; |
9688c1dd | 672 | |
9a1398dd | 673 | } |
674 | ||
675 | //____________________________________________________________________________ | |
a4e98857 | 676 | void AliPHOSClusterizerv1::MakeUnfolding() |
677 | { | |
678 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 679 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 680 | |
7b7c1533 | 681 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
682 | ||
683 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
684 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
685 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
686 | TClonesArray * digits = gime->Digits() ; | |
687 | ||
a4e98857 | 688 | // Unfold first EMC clusters |
9a1398dd | 689 | if(fNumberOfEmcClusters > 0){ |
690 | ||
7b7c1533 | 691 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 692 | |
693 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
694 | Int_t index ; | |
695 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
696 | ||
7b7c1533 | 697 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) emcRecPoints->At(index) ; |
9a1398dd | 698 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
699 | break ; | |
700 | ||
701 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
702 | Int_t * maxAt = new Int_t[nMultipl] ; | |
703 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
7b7c1533 | 704 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 705 | |
706 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
707 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 708 | emcRecPoints->Remove(emcRecPoint); |
709 | emcRecPoints->Compress() ; | |
9a1398dd | 710 | index-- ; |
711 | fNumberOfEmcClusters -- ; | |
712 | numberofNotUnfolded-- ; | |
713 | } | |
714 | ||
715 | delete[] maxAt ; | |
716 | delete[] maxAtEnergy ; | |
717 | } | |
718 | } | |
a4e98857 | 719 | // Unfolding of EMC clusters finished |
9a1398dd | 720 | |
721 | ||
a4e98857 | 722 | // Unfold now CPV clusters |
9a1398dd | 723 | if(fNumberOfCpvClusters > 0){ |
724 | ||
9688c1dd | 725 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 726 | |
727 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
728 | Int_t index ; | |
729 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
730 | ||
7b7c1533 | 731 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) cpvRecPoints->At(index) ; |
9a1398dd | 732 | |
733 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
734 | break ; | |
735 | ||
736 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
737 | ||
738 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
739 | Int_t * maxAt = new Int_t[nMultipl] ; | |
740 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
7b7c1533 | 741 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 742 | |
743 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
744 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 745 | cpvRecPoints->Remove(emcRecPoint); |
746 | cpvRecPoints->Compress() ; | |
9a1398dd | 747 | index-- ; |
748 | numberofCpvNotUnfolded-- ; | |
749 | fNumberOfCpvClusters-- ; | |
750 | } | |
751 | ||
752 | delete[] maxAt ; | |
753 | delete[] maxAtEnergy ; | |
754 | } | |
755 | } | |
756 | //Unfolding of Cpv clusters finished | |
757 | ||
758 | } | |
759 | ||
9a1398dd | 760 | //____________________________________________________________________________ |
761 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
762 | { | |
763 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 764 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 765 | |
766 | Double_t r4 = r*r*r*r ; | |
767 | Double_t r295 = TMath::Power(r, 2.95) ; | |
768 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
769 | return shape ; | |
770 | } | |
771 | ||
772 | //____________________________________________________________________________ | |
773 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
774 | Int_t nMax, | |
775 | int * maxAt, | |
776 | Float_t * maxAtEnergy) | |
777 | { | |
778 | // Performs the unfolding of a cluster with nMax overlapping showers | |
779 | ||
7b7c1533 | 780 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
781 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
782 | TClonesArray * digits = gime->Digits() ; | |
783 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
784 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
785 | ||
9a1398dd | 786 | Int_t nPar = 3 * nMax ; |
787 | Float_t * fitparameters = new Float_t[nPar] ; | |
788 | ||
789 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
790 | if( !rv ) { | |
791 | // Fit failed, return and remove cluster | |
792 | delete[] fitparameters ; | |
793 | return ; | |
794 | } | |
795 | ||
796 | // create ufolded rec points and fill them with new energy lists | |
797 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
798 | // and later correct this number in acordance with actual energy deposition | |
799 | ||
800 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
801 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 802 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
803 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 804 | Int_t relid[4] ; |
7b7c1533 | 805 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 806 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
807 | ||
808 | Int_t iparam ; | |
809 | Int_t iDigit ; | |
810 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 811 | digit = (AliPHOSDigit*) digits->At(emcDigits[iDigit] ) ; |
812 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
813 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 814 | efit[iDigit] = 0; |
815 | ||
816 | iparam = 0 ; | |
817 | while(iparam < nPar ){ | |
818 | xpar = fitparameters[iparam] ; | |
819 | zpar = fitparameters[iparam+1] ; | |
820 | epar = fitparameters[iparam+2] ; | |
821 | iparam += 3 ; | |
822 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
823 | distance = TMath::Sqrt(distance) ; | |
824 | efit[iDigit] += epar * ShowerShape(distance) ; | |
825 | } | |
826 | } | |
827 | ||
828 | ||
829 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
830 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
831 | // to its contribution to efit | |
832 | ||
833 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
834 | Float_t ratio ; | |
835 | ||
836 | iparam = 0 ; | |
837 | while(iparam < nPar ){ | |
838 | xpar = fitparameters[iparam] ; | |
839 | zpar = fitparameters[iparam+1] ; | |
840 | epar = fitparameters[iparam+2] ; | |
841 | iparam += 3 ; | |
842 | ||
7b7c1533 | 843 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 844 | |
845 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
846 | ||
7b7c1533 | 847 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
848 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
9a1398dd | 849 | |
7b7c1533 | 850 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint() ; |
851 | emcRP = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters); | |
9a1398dd | 852 | fNumberOfEmcClusters++ ; |
853 | } | |
854 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 855 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
856 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
9a1398dd | 857 | |
7b7c1533 | 858 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint() ; |
859 | emcRP = (AliPHOSEmcRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters); | |
9a1398dd | 860 | fNumberOfCpvClusters++ ; |
861 | } | |
862 | ||
863 | Float_t eDigit ; | |
864 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 865 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; |
866 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
867 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 868 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
869 | distance = TMath::Sqrt(distance) ; | |
870 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
871 | eDigit = emcEnergies[iDigit] * ratio ; | |
872 | emcRP->AddDigit( *digit, eDigit ) ; | |
873 | } | |
874 | } | |
875 | ||
876 | delete[] fitparameters ; | |
877 | delete[] efit ; | |
878 | ||
879 | } | |
880 | ||
881 | //_____________________________________________________________________________ | |
882 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
883 | { | |
a4e98857 | 884 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 885 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
886 | ||
887 | ||
888 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; | |
889 | ||
890 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
891 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
892 | ||
893 | ||
894 | ||
895 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
896 | ||
897 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
898 | ||
7b7c1533 | 899 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 900 | |
901 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
902 | ||
01a599c9 | 903 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
9a1398dd | 904 | fret = 0. ; |
905 | Int_t iparam ; | |
906 | ||
907 | if(iflag == 2) | |
908 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
909 | Grad[iparam] = 0 ; // Will evaluate gradient | |
910 | ||
911 | Double_t efit ; | |
912 | ||
913 | AliPHOSDigit * digit ; | |
914 | Int_t iDigit ; | |
915 | ||
7b7c1533 | 916 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 917 | |
918 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
919 | ||
920 | Int_t relid[4] ; | |
921 | Float_t xDigit ; | |
922 | Float_t zDigit ; | |
923 | ||
924 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
925 | ||
926 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
927 | ||
928 | if(iflag == 2){ // calculate gradient | |
929 | Int_t iParam = 0 ; | |
930 | efit = 0 ; | |
931 | while(iParam < nPar ){ | |
932 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
933 | iParam++ ; | |
934 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
935 | distance = TMath::Sqrt( distance ) ; | |
936 | iParam++ ; | |
937 | efit += x[iParam] * ShowerShape(distance) ; | |
938 | iParam++ ; | |
939 | } | |
940 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
941 | iParam = 0 ; | |
942 | while(iParam < nPar ){ | |
943 | Double_t xpar = x[iParam] ; | |
944 | Double_t zpar = x[iParam+1] ; | |
945 | Double_t epar = x[iParam+2] ; | |
946 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
947 | Double_t shape = sum * ShowerShape(dr) ; | |
948 | Double_t r4 = dr*dr*dr*dr ; | |
949 | Double_t r295 = TMath::Power(dr,2.95) ; | |
950 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
951 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
952 | ||
953 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
954 | iParam++ ; | |
955 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
956 | iParam++ ; | |
957 | Grad[iParam] += shape ; // Derivative over energy | |
958 | iParam++ ; | |
959 | } | |
960 | } | |
961 | efit = 0; | |
962 | iparam = 0 ; | |
963 | ||
964 | while(iparam < nPar ){ | |
965 | Double_t xpar = x[iparam] ; | |
966 | Double_t zpar = x[iparam+1] ; | |
967 | Double_t epar = x[iparam+2] ; | |
968 | iparam += 3 ; | |
969 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
970 | distance = TMath::Sqrt(distance) ; | |
971 | efit += epar * ShowerShape(distance) ; | |
972 | } | |
973 | ||
974 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
975 | // Here we assume, that sigma = sqrt(E) | |
976 | } | |
83974468 | 977 | |
d15a28e7 | 978 | } |
979 | ||
980 | //____________________________________________________________________________ | |
9a1398dd | 981 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 982 | { |
d1de15f5 | 983 | // Print clusterizer parameters |
984 | ||
7b7c1533 | 985 | if( strcmp(GetName(), "") !=0 ){ |
9a1398dd | 986 | |
987 | // Print parameters | |
7b7c1533 | 988 | |
989 | TString taskName(GetName()) ; | |
990 | taskName.ReplaceAll(Version(), "") ; | |
991 | ||
992 | cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl | |
9a1398dd | 993 | << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl |
994 | << " Branch: " << fDigitsBranchTitle.Data() << endl | |
995 | << endl | |
996 | << " EMC Clustering threshold = " << fEmcClusteringThreshold << endl | |
997 | << " EMC Local Maximum cut = " << fEmcLocMaxCut << endl | |
998 | << " EMC Logarothmic weight = " << fW0 << endl | |
999 | << endl | |
1000 | << " CPV Clustering threshold = " << fCpvClusteringThreshold << endl | |
1001 | << " CPV Local Maximum cut = " << fCpvLocMaxCut << endl | |
1002 | << " CPV Logarothmic weight = " << fW0CPV << endl | |
9688c1dd | 1003 | << endl ; |
9a1398dd | 1004 | if(fToUnfold) |
1005 | cout << " Unfolding on " << endl ; | |
1006 | else | |
1007 | cout << " Unfolding off " << endl ; | |
1008 | ||
1009 | cout << "------------------------------------------------------------------" <<endl ; | |
1010 | } | |
1011 | else | |
1012 | cout << " AliPHOSClusterizerv1 not initialized " << endl ; | |
1013 | } | |
1014 | //____________________________________________________________________________ | |
a4e98857 | 1015 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
1016 | { | |
1017 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 1018 | |
7b7c1533 | 1019 | TObjArray * emcRecPoints = AliPHOSGetter::GetInstance()->EmcRecPoints() ; |
1020 | TObjArray * cpvRecPoints = AliPHOSGetter::GetInstance()->CpvRecPoints() ; | |
1021 | ||
01a599c9 | 1022 | cout << "AliPHOSClusterizerv1: : event "<<gAlice->GetEvNumber() << endl ; |
7b7c1533 | 1023 | cout << " Found "<< emcRecPoints->GetEntriesFast() << " EMC Rec Points and " |
1024 | << cpvRecPoints->GetEntriesFast() << " CPV RecPoints" << endl ; | |
9a1398dd | 1025 | |
2b60655b | 1026 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; |
1027 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
1028 | ||
9a1398dd | 1029 | if(strstr(option,"all")) { |
1030 | cout << "EMC clusters " << endl ; | |
9688c1dd | 1031 | cout << " Index Ene(MeV) Multi Module X Y Z Lambda 1 Lambda 2 # of prim Primaries list " << endl; |
9a1398dd | 1032 | |
1033 | Int_t index ; | |
7b7c1533 | 1034 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
1035 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 1036 | TVector3 locpos; |
1037 | rp->GetLocalPosition(locpos); | |
9a1398dd | 1038 | Float_t lambda[2]; |
1039 | rp->GetElipsAxis(lambda); | |
9a1398dd | 1040 | Int_t * primaries; |
1041 | Int_t nprimaries; | |
1042 | primaries = rp->GetPrimaries(nprimaries); | |
9a1398dd | 1043 | |
9688c1dd | 1044 | cout << setw(4) << rp->GetIndexInList() << " " |
1045 | << setw(7) << setprecision(3) << rp->GetEnergy() << " " | |
1046 | << setw(3) << rp->GetMultiplicity() << " " | |
1047 | << setw(1) << rp->GetPHOSMod() << " " | |
1048 | << setw(6) << setprecision(2) << locpos.X() << " " | |
1049 | << setw(6) << setprecision(2) << locpos.Y() << " " | |
1050 | << setw(6) << setprecision(2) << locpos.Z() << " " | |
1051 | << setw(4) << setprecision(2) << lambda[0] << " " | |
1052 | << setw(4) << setprecision(2) << lambda[1] << " " | |
1053 | << setw(2) << nprimaries << " " ; | |
1054 | ||
9a1398dd | 1055 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) |
9688c1dd | 1056 | cout << setw(4) << primaries[iprimary] << " " ; |
1057 | cout << endl ; | |
9a1398dd | 1058 | } |
9a1398dd | 1059 | |
9688c1dd | 1060 | //Now plot CPV recPoints |
9a1398dd | 1061 | cout << "EMC clusters " << endl ; |
1062 | cout << " Index " | |
1063 | << " Multi " | |
1064 | << " Module " | |
9a1398dd | 1065 | << " X " |
1066 | << " Y " | |
1067 | << " Z " | |
1068 | << " # of prim " | |
1069 | << " Primaries list " << endl; | |
1070 | ||
7b7c1533 | 1071 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { |
1072 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
9a1398dd | 1073 | cout << setw(6) << rp->GetIndexInList() << " "; |
9688c1dd | 1074 | cout << setw(6) << rp->GetPHOSMod() << " CPV "; |
9a1398dd | 1075 | |
1076 | TVector3 locpos; | |
1077 | rp->GetLocalPosition(locpos); | |
9688c1dd | 1078 | cout << setw(6) << locpos.X() << " "; |
1079 | cout << setw(6) << locpos.Y() << " "; | |
1080 | cout << setw(6) << locpos.Z() << " "; | |
9a1398dd | 1081 | |
1082 | Int_t * primaries; | |
9688c1dd | 1083 | Int_t nprimaries ; |
9a1398dd | 1084 | primaries = rp->GetPrimaries(nprimaries); |
9688c1dd | 1085 | cout << setw(6) << nprimaries << " "; |
9a1398dd | 1086 | |
1087 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1088 | cout << setw(4) << primaries[iprimary] << " "; | |
1089 | cout << endl; | |
1090 | } | |
1091 | ||
1092 | ||
9688c1dd | 1093 | cout << "-----------------------------------------------------------------------"<<endl ; |
9a1398dd | 1094 | } |
d15a28e7 | 1095 | } |
9a1398dd | 1096 |