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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 | ||
9a1398dd | 18 | //*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute) |
d15a28e7 | 19 | ////////////////////////////////////////////////////////////////////////////// |
9a1398dd | 20 | // Clusterization class. Performs clusterization (collects neighbouring active cells) and |
a4e98857 | 21 | // unfolds the clusters having several local maxima. |
22 | // Results are stored in TreeR#, branches PHOSEmcRP (EMC recPoints), | |
9a1398dd | 23 | // PHOSCpvRP (CPV RecPoints) and AliPHOSClusterizer (Clusterizer with all |
f035f6ce | 24 | // parameters including input digits branch title, thresholds etc.) |
a4e98857 | 25 | // This TTask is normally called from Reconstructioner, but can as well be used in |
26 | // standalone mode. | |
27 | // Use Case: | |
fc12304f | 28 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root", "recpointsname", "digitsname") |
a4e98857 | 29 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated |
fc12304f | 30 | // // reads gAlice from header file "galice.root", uses digits stored in the branch names "digitsname" (default = "Default") |
31 | // // and saves recpoints in branch named "recpointsname" (default = "digitsname") | |
a4e98857 | 32 | // root [1] cl->ExecuteTask() |
9a1398dd | 33 | // //finds RecPoints in all events stored in galice.root |
a4e98857 | 34 | // root [2] cl->SetDigitsBranch("digits2") |
f035f6ce | 35 | // //sets another title for Digitis (input) branch |
a4e98857 | 36 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 37 | // //sets another title four output branches |
a4e98857 | 38 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
9a1398dd | 39 | // //set clusterization parameters |
a4e98857 | 40 | // root [5] cl->ExecuteTask("deb all time") |
9a1398dd | 41 | // //once more finds RecPoints options are |
42 | // // deb - print number of found rec points | |
43 | // // deb all - print number of found RecPoints and some their characteristics | |
44 | // // time - print benchmarking results | |
ed4205d8 | 45 | |
d15a28e7 | 46 | // --- ROOT system --- |
47 | ||
48 | #include "TMath.h" | |
9a1398dd | 49 | #include "TMinuit.h" |
50 | #include "TTree.h" | |
9a1398dd | 51 | #include "TBenchmark.h" |
d15a28e7 | 52 | |
53 | // --- Standard library --- | |
54 | ||
d15a28e7 | 55 | // --- AliRoot header files --- |
88cb7938 | 56 | #include "AliPHOSGetter.h" |
e957fea8 | 57 | #include "AliPHOSGeometry.h" |
d15a28e7 | 58 | #include "AliPHOSClusterizerv1.h" |
88cb7938 | 59 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 60 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 61 | #include "AliPHOSDigit.h" |
9a1398dd | 62 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 63 | |
64 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 65 | |
d15a28e7 | 66 | //____________________________________________________________________________ |
7b7c1533 | 67 | AliPHOSClusterizerv1::AliPHOSClusterizerv1() : AliPHOSClusterizer() |
d15a28e7 | 68 | { |
f035f6ce | 69 | // default ctor (to be used mainly by Streamer) |
f035f6ce | 70 | |
8d0f3f77 | 71 | InitParameters() ; |
92f521a9 | 72 | fDefaultInit = kTRUE ; |
9a1398dd | 73 | } |
7b7c1533 | 74 | |
9a1398dd | 75 | //____________________________________________________________________________ |
88cb7938 | 76 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const TString alirunFileName, const TString eventFolderName) |
77 | :AliPHOSClusterizer(alirunFileName, eventFolderName) | |
9a1398dd | 78 | { |
a4e98857 | 79 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 80 | |
8d0f3f77 | 81 | InitParameters() ; |
2bd5457f | 82 | Init() ; |
92f521a9 | 83 | fDefaultInit = kFALSE ; |
9a1398dd | 84 | } |
fc12304f | 85 | |
9688c1dd | 86 | //____________________________________________________________________________ |
87 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
88 | { | |
0bc3b8ed | 89 | // dtor |
90 | ||
88cb7938 | 91 | // delete fPedestals ; |
92 | // delete fGains ; | |
9688c1dd | 93 | } |
fc12304f | 94 | |
88cb7938 | 95 | |
fc12304f | 96 | //____________________________________________________________________________ |
97 | const TString AliPHOSClusterizerv1::BranchName() const | |
98 | { | |
88cb7938 | 99 | return GetName(); |
fc12304f | 100 | } |
101 | ||
9a1398dd | 102 | //____________________________________________________________________________ |
3758d9fc | 103 | Float_t AliPHOSClusterizerv1::Calibrate(Int_t amp, Int_t absId) const |
88cb7938 | 104 | { |
105 | //To be replaced later by the method, reading individual parameters from the database | |
106 | // if(fCalibrationDB) | |
107 | // return fCalibrationDB->Calibrate(amp,absId) ; | |
108 | // else{ //simulation | |
109 | if(absId <= fEmcCrystals) //calibrate as EMC | |
110 | return fADCpedestalEmc + amp*fADCchanelEmc ; | |
111 | else //calibrate as CPV | |
112 | return fADCpedestalCpv+ amp*fADCchanelCpv ; | |
113 | // } | |
3758d9fc | 114 | } |
548f0134 | 115 | |
3758d9fc | 116 | //____________________________________________________________________________ |
a4e98857 | 117 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
118 | { | |
7b7c1533 | 119 | // Steering method |
9a1398dd | 120 | |
121 | if(strstr(option,"tim")) | |
7d493c2c | 122 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 123 | |
7b7c1533 | 124 | if(strstr(option,"print")) |
88cb7938 | 125 | Print() ; |
bed9e3fb | 126 | |
88cb7938 | 127 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
128 | ||
fbf811ec | 129 | Int_t nevents = gime->MaxEvent() ; |
7b7c1533 | 130 | Int_t ievent ; |
fbf811ec | 131 | |
88cb7938 | 132 | for(ievent = 0; ievent < nevents; ievent++) |
133 | { | |
134 | gime->Event(ievent, "D"); | |
135 | ||
136 | GetCalibrationParameters() ; | |
bed9e3fb | 137 | |
548f0134 | 138 | fNumberOfEmcClusters = fNumberOfCpvClusters = 0 ; |
9a1398dd | 139 | |
88cb7938 | 140 | MakeClusters() ; |
141 | ||
fc12304f | 142 | if(fToUnfold) |
143 | MakeUnfolding() ; | |
7b7c1533 | 144 | |
88cb7938 | 145 | WriteRecPoints(); |
7b7c1533 | 146 | |
94de8339 | 147 | if(strstr(option,"deb")) |
148 | PrintRecPoints(option) ; | |
149 | ||
88cb7938 | 150 | //increment the total number of recpoints per run |
fbf811ec | 151 | fRecPointsInRun += gime->EmcRecPoints()->GetEntriesFast() ; |
152 | fRecPointsInRun += gime->CpvRecPoints()->GetEntriesFast() ; | |
88cb7938 | 153 | } |
154 | ||
155 | Unload(); | |
9a1398dd | 156 | |
157 | if(strstr(option,"tim")){ | |
158 | gBenchmark->Stop("PHOSClusterizer"); | |
21cd0c07 | 159 | Info("Exec", " took %f seconds for Clusterizing %f seconds per event \n", |
160 | gBenchmark->GetCpuTime("PHOSClusterizer"), | |
161 | gBenchmark->GetCpuTime("PHOSClusterizer")/nevents ) ; | |
88cb7938 | 162 | } |
9a1398dd | 163 | } |
164 | ||
165 | //____________________________________________________________________________ | |
a0636361 | 166 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 167 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 168 | { |
169 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 170 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 171 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 172 | |
88cb7938 | 173 | |
174 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
175 | TClonesArray * digits = gime->Digits(); | |
7b7c1533 | 176 | |
177 | ||
9a1398dd | 178 | gMinuit->mncler(); // Reset Minuit's list of paramters |
179 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
180 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
181 | // To set the address of the minimization function | |
182 | ||
183 | TList * toMinuit = new TList(); | |
184 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 185 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 186 | |
187 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
188 | ||
189 | // filling initial values for fit parameters | |
190 | AliPHOSDigit * digit ; | |
191 | ||
192 | Int_t ierflg = 0; | |
193 | Int_t index = 0 ; | |
194 | Int_t nDigits = (Int_t) nPar / 3 ; | |
195 | ||
196 | Int_t iDigit ; | |
197 | ||
7b7c1533 | 198 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 199 | |
200 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 201 | digit = maxAt[iDigit]; |
9a1398dd | 202 | |
203 | Int_t relid[4] ; | |
7b7c1533 | 204 | Float_t x = 0.; |
205 | Float_t z = 0.; | |
206 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
207 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 208 | |
209 | Float_t energy = maxAtEnergy[iDigit] ; | |
210 | ||
211 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
212 | index++ ; | |
213 | if(ierflg != 0){ | |
21cd0c07 | 214 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : x = %f\n", x ) ; |
9a1398dd | 215 | return kFALSE; |
216 | } | |
217 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
218 | index++ ; | |
219 | if(ierflg != 0){ | |
21cd0c07 | 220 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : z =%f\n", z ) ; |
9a1398dd | 221 | return kFALSE; |
222 | } | |
223 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
224 | index++ ; | |
225 | if(ierflg != 0){ | |
21cd0c07 | 226 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : energy = %f\n", energy ) ; |
9a1398dd | 227 | return kFALSE; |
228 | } | |
229 | } | |
230 | ||
231 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
232 | // depends on it. | |
233 | Double_t p1 = 1.0 ; | |
234 | Double_t p2 = 0.0 ; | |
235 | ||
236 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
237 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
238 | gMinuit->SetMaxIterations(5); | |
239 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
240 | ||
241 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
242 | ||
243 | if(ierflg == 4){ // Minimum not found | |
21cd0c07 | 244 | Warning("FindFit", "PHOS Unfolding fit not converged, cluster abandoned\n" ); |
9a1398dd | 245 | return kFALSE ; |
246 | } | |
247 | for(index = 0; index < nPar; index++){ | |
248 | Double_t err ; | |
249 | Double_t val ; | |
250 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
251 | fitparameters[index] = val ; | |
252 | } | |
253 | ||
254 | delete toMinuit ; | |
255 | return kTRUE; | |
c3c187e5 | 256 | |
d15a28e7 | 257 | } |
258 | ||
3758d9fc | 259 | //____________________________________________________________________________ |
260 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
261 | { | |
fbf811ec | 262 | |
88cb7938 | 263 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
c2cd5471 | 264 | |
88cb7938 | 265 | if ( !gime->Digitizer() ) |
266 | gime->LoadDigitizer(); | |
267 | AliPHOSDigitizer * dig = gime->Digitizer(); | |
268 | ||
269 | fADCchanelEmc = dig->GetEMCchannel() ; | |
270 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
271 | ||
272 | fADCchanelCpv = dig->GetCPVchannel() ; | |
273 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
274 | ||
275 | // fCalibrationDB = gime->CalibrationDB(); | |
3758d9fc | 276 | } |
548f0134 | 277 | |
d15a28e7 | 278 | //____________________________________________________________________________ |
a4e98857 | 279 | void AliPHOSClusterizerv1::Init() |
280 | { | |
2bd5457f | 281 | // Make all memory allocations which can not be done in default constructor. |
282 | // Attach the Clusterizer task to the list of PHOS tasks | |
88cb7938 | 283 | |
284 | AliPHOSGetter* gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
fbf811ec | 285 | |
88cb7938 | 286 | AliPHOSGeometry * geom = gime->PHOSGeometry(); |
287 | ||
3758d9fc | 288 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; |
289 | ||
7b7c1533 | 290 | if(!gMinuit) |
88cb7938 | 291 | gMinuit = new TMinuit(100); |
fbf811ec | 292 | |
88cb7938 | 293 | if ( !gime->Clusterizer() ) |
294 | gime->PostClusterizer(this); | |
9a1398dd | 295 | } |
7b7c1533 | 296 | |
8d0f3f77 | 297 | //____________________________________________________________________________ |
298 | void AliPHOSClusterizerv1::InitParameters() | |
299 | { | |
300 | ||
301 | fNumberOfCpvClusters = 0 ; | |
302 | fNumberOfEmcClusters = 0 ; | |
303 | ||
304 | fCpvClusteringThreshold = 0.0; | |
305 | fEmcClusteringThreshold = 0.2; | |
306 | ||
307 | fEmcLocMaxCut = 0.03 ; | |
308 | fCpvLocMaxCut = 0.03 ; | |
309 | ||
310 | fW0 = 4.5 ; | |
311 | fW0CPV = 4.0 ; | |
312 | ||
313 | fEmcTimeGate = 1.e-8 ; | |
314 | ||
315 | fToUnfold = kTRUE ; | |
88cb7938 | 316 | |
8d0f3f77 | 317 | fRecPointsInRun = 0 ; |
c2cd5471 | 318 | |
8d0f3f77 | 319 | } |
320 | ||
9a1398dd | 321 | //____________________________________________________________________________ |
322 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 323 | { |
b2a60966 | 324 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
325 | // = 1 are neighbour | |
326 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 327 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 328 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
329 | // which is compared to a digit (d2) not yet in a cluster | |
330 | ||
88cb7938 | 331 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
7b7c1533 | 332 | |
d15a28e7 | 333 | Int_t rv = 0 ; |
334 | ||
d15a28e7 | 335 | Int_t relid1[4] ; |
7b7c1533 | 336 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 337 | |
338 | Int_t relid2[4] ; | |
7b7c1533 | 339 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 340 | |
9688c1dd | 341 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 342 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
343 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 344 | |
92862013 | 345 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 346 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 347 | rv = 1 ; |
348 | } | |
349 | else { | |
350 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
88cb7938 | 351 | rv = 2; // Difference in row numbers is too large to look further |
d15a28e7 | 352 | } |
353 | ||
354 | } | |
355 | else { | |
356 | ||
9688c1dd | 357 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 358 | rv=2 ; |
359 | ||
360 | } | |
d72dfbc3 | 361 | |
d15a28e7 | 362 | return rv ; |
363 | } | |
364 | ||
d15a28e7 | 365 | |
366 | //____________________________________________________________________________ | |
9a1398dd | 367 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 368 | { |
b2a60966 | 369 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
370 | ||
9f616d61 | 371 | Bool_t rv = kFALSE ; |
88cb7938 | 372 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
d15a28e7 | 373 | |
2b629790 | 374 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 375 | |
2b629790 | 376 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 377 | |
378 | return rv ; | |
379 | } | |
380 | ||
ed4205d8 | 381 | //____________________________________________________________________________ |
9a1398dd | 382 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 383 | { |
fad3e5b9 | 384 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 385 | |
386 | Bool_t rv = kFALSE ; | |
88cb7938 | 387 | |
388 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
ed4205d8 | 389 | |
2b629790 | 390 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 391 | |
2b629790 | 392 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 393 | |
394 | return rv ; | |
395 | } | |
9a1398dd | 396 | |
397 | //____________________________________________________________________________ | |
88cb7938 | 398 | void AliPHOSClusterizerv1::Unload() |
399 | { | |
400 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
401 | gime->PhosLoader()->UnloadDigits() ; | |
402 | gime->PhosLoader()->UnloadRecPoints() ; | |
403 | } | |
404 | ||
405 | //____________________________________________________________________________ | |
406 | void AliPHOSClusterizerv1::WriteRecPoints() | |
a4e98857 | 407 | { |
7b7c1533 | 408 | |
409 | // Creates new branches with given title | |
a4e98857 | 410 | // fills and writes into TreeR. |
88cb7938 | 411 | |
412 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
413 | ||
fbf811ec | 414 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
415 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
416 | TClonesArray * digits = gime->Digits() ; | |
fbf811ec | 417 | |
88cb7938 | 418 | TTree * treeR = gime->TreeR(); |
fbf811ec | 419 | |
9a1398dd | 420 | Int_t index ; |
01a599c9 | 421 | //Evaluate position, dispersion and other RecPoint properties... |
88cb7938 | 422 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
423 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->EvalAll(fW0,digits) ; | |
424 | ||
7b7c1533 | 425 | emcRecPoints->Sort() ; |
7b7c1533 | 426 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
88cb7938 | 427 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 428 | |
7b7c1533 | 429 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
fbf811ec | 430 | |
9a1398dd | 431 | //Now the same for CPV |
7b7c1533 | 432 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
e957fea8 | 433 | dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) )->EvalAll(digits) ; |
fbf811ec | 434 | |
7b7c1533 | 435 | cpvRecPoints->Sort() ; |
fbf811ec | 436 | |
7b7c1533 | 437 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
88cb7938 | 438 | dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 439 | |
7b7c1533 | 440 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 441 | |
9a1398dd | 442 | Int_t bufferSize = 32000 ; |
443 | Int_t splitlevel = 0 ; | |
8d0f3f77 | 444 | |
01a599c9 | 445 | //First EMC |
8d0f3f77 | 446 | TBranch * emcBranch = treeR->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 447 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 448 | |
449 | //Now CPV branch | |
8d0f3f77 | 450 | TBranch * cpvBranch = treeR->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 451 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 452 | |
01a599c9 | 453 | emcBranch ->Fill() ; |
454 | cpvBranch ->Fill() ; | |
88cb7938 | 455 | |
456 | gime->WriteRecPoints("OVERWRITE"); | |
457 | gime->WriteClusterizer("OVERWRITE"); | |
9a1398dd | 458 | } |
459 | ||
460 | //____________________________________________________________________________ | |
461 | void AliPHOSClusterizerv1::MakeClusters() | |
462 | { | |
463 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
464 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 465 | |
88cb7938 | 466 | |
467 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
468 | ||
469 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
470 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 471 | |
7d493c2c | 472 | emcRecPoints->Delete() ; |
473 | cpvRecPoints->Delete() ; | |
7b7c1533 | 474 | |
fbf811ec | 475 | TClonesArray * digits = gime->Digits() ; |
88cb7938 | 476 | |
477 | TClonesArray * digitsC = static_cast<TClonesArray*>( digits->Clone() ) ; | |
7b7c1533 | 478 | |
479 | ||
d15a28e7 | 480 | // Clusterization starts |
9a1398dd | 481 | |
7b7c1533 | 482 | TIter nextdigit(digitsC) ; |
d15a28e7 | 483 | AliPHOSDigit * digit ; |
92862013 | 484 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 485 | |
88cb7938 | 486 | while ( (digit = dynamic_cast<AliPHOSDigit *>( nextdigit()) ) ) { // scan over the list of digitsC |
487 | ||
488 | ||
9a1398dd | 489 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 490 | |
d1de15f5 | 491 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 492 | Int_t index ; |
f2bc1b87 | 493 | |
3758d9fc | 494 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
495 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
d15a28e7 | 496 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 497 | |
6ad0bfa0 | 498 | if ( IsInEmc(digit) ) { |
88cb7938 | 499 | // start a new EMC RecPoint |
500 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) | |
501 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
502 | ||
503 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; | |
504 | clu = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; | |
505 | fNumberOfEmcClusters++ ; | |
506 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; | |
507 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
508 | iDigitInCluster++ ; | |
509 | digitsC->Remove(digit) ; | |
ca77b032 | 510 | |
d72dfbc3 | 511 | } else { |
88cb7938 | 512 | |
513 | // start a new CPV cluster | |
514 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) | |
515 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
516 | ||
517 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; | |
518 | ||
519 | clu = dynamic_cast<AliPHOSCpvRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; | |
520 | fNumberOfCpvClusters++ ; | |
521 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; | |
522 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
523 | iDigitInCluster++ ; | |
524 | digitsC->Remove(digit) ; | |
d15a28e7 | 525 | nextdigit.Reset() ; |
88cb7938 | 526 | |
527 | // Here we remove remaining EMC digits, which cannot make a cluster | |
528 | ||
92862013 | 529 | if( notremoved ) { |
88cb7938 | 530 | while( ( digit = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { |
9f616d61 | 531 | if( IsInEmc(digit) ) |
88cb7938 | 532 | digitsC->Remove(digit) ; |
d15a28e7 | 533 | else |
88cb7938 | 534 | break ; |
535 | } | |
536 | notremoved = kFALSE ; | |
537 | } | |
538 | ||
d15a28e7 | 539 | } // else |
540 | ||
541 | nextdigit.Reset() ; | |
fad3e5b9 | 542 | |
d15a28e7 | 543 | AliPHOSDigit * digitN ; |
544 | index = 0 ; | |
9f616d61 | 545 | while (index < iDigitInCluster){ // scan over digits already in cluster |
88cb7938 | 546 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(clusterdigitslist[index]) ) ; |
547 | index++ ; | |
548 | while ( (digitN = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { // scan over the reduced list of digits | |
549 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! | |
d15a28e7 | 550 | switch (ineb ) { |
9f616d61 | 551 | case 0 : // not a neighbour |
88cb7938 | 552 | break ; |
553 | case 1 : // are neighbours | |
554 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; | |
555 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; | |
556 | iDigitInCluster++ ; | |
557 | digitsC->Remove(digitN) ; | |
558 | break ; | |
9f616d61 | 559 | case 2 : // too far from each other |
88cb7938 | 560 | goto endofloop; |
561 | } // switch | |
562 | ||
563 | } // while digitN | |
564 | ||
d15a28e7 | 565 | endofloop: ; |
88cb7938 | 566 | nextdigit.Reset() ; |
567 | ||
d15a28e7 | 568 | } // loop over cluster |
ad8cfaf4 | 569 | |
ad8cfaf4 | 570 | } // energy theshold |
ad8cfaf4 | 571 | |
31aa6d6c | 572 | |
d15a28e7 | 573 | } // while digit |
574 | ||
7b7c1533 | 575 | delete digitsC ; |
9688c1dd | 576 | |
9a1398dd | 577 | } |
578 | ||
579 | //____________________________________________________________________________ | |
a4e98857 | 580 | void AliPHOSClusterizerv1::MakeUnfolding() |
581 | { | |
582 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 583 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 584 | |
88cb7938 | 585 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 586 | |
7b7c1533 | 587 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 588 | |
589 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
590 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
fbf811ec | 591 | TClonesArray * digits = gime->Digits() ; |
7b7c1533 | 592 | |
a4e98857 | 593 | // Unfold first EMC clusters |
9a1398dd | 594 | if(fNumberOfEmcClusters > 0){ |
595 | ||
7b7c1533 | 596 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 597 | |
598 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
599 | Int_t index ; | |
600 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
601 | ||
88cb7938 | 602 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) ) ; |
9a1398dd | 603 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
88cb7938 | 604 | break ; |
9a1398dd | 605 | |
606 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 607 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 608 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 609 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 610 | |
611 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 612 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
613 | emcRecPoints->Remove(emcRecPoint); | |
614 | emcRecPoints->Compress() ; | |
615 | index-- ; | |
616 | fNumberOfEmcClusters -- ; | |
617 | numberofNotUnfolded-- ; | |
9a1398dd | 618 | } |
619 | ||
620 | delete[] maxAt ; | |
621 | delete[] maxAtEnergy ; | |
622 | } | |
623 | } | |
a4e98857 | 624 | // Unfolding of EMC clusters finished |
9a1398dd | 625 | |
626 | ||
a4e98857 | 627 | // Unfold now CPV clusters |
9a1398dd | 628 | if(fNumberOfCpvClusters > 0){ |
629 | ||
9688c1dd | 630 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 631 | |
632 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
633 | Int_t index ; | |
634 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
635 | ||
88cb7938 | 636 | AliPHOSRecPoint * recPoint = dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) ) ; |
9a1398dd | 637 | |
638 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
88cb7938 | 639 | break ; |
9a1398dd | 640 | |
88cb7938 | 641 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint*>(recPoint) ; |
9a1398dd | 642 | |
643 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 644 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 645 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 646 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 647 | |
648 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 649 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
650 | cpvRecPoints->Remove(emcRecPoint); | |
651 | cpvRecPoints->Compress() ; | |
652 | index-- ; | |
653 | numberofCpvNotUnfolded-- ; | |
654 | fNumberOfCpvClusters-- ; | |
9a1398dd | 655 | } |
656 | ||
657 | delete[] maxAt ; | |
658 | delete[] maxAtEnergy ; | |
659 | } | |
660 | } | |
661 | //Unfolding of Cpv clusters finished | |
662 | ||
663 | } | |
664 | ||
9a1398dd | 665 | //____________________________________________________________________________ |
666 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
667 | { | |
668 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 669 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 670 | |
671 | Double_t r4 = r*r*r*r ; | |
672 | Double_t r295 = TMath::Power(r, 2.95) ; | |
673 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
674 | return shape ; | |
675 | } | |
676 | ||
677 | //____________________________________________________________________________ | |
678 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
88cb7938 | 679 | Int_t nMax, |
680 | AliPHOSDigit ** maxAt, | |
681 | Float_t * maxAtEnergy) | |
9a1398dd | 682 | { |
683 | // Performs the unfolding of a cluster with nMax overlapping showers | |
684 | ||
88cb7938 | 685 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 686 | |
7b7c1533 | 687 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 688 | |
fbf811ec | 689 | const TClonesArray * digits = gime->Digits() ; |
690 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
691 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 692 | |
9a1398dd | 693 | Int_t nPar = 3 * nMax ; |
694 | Float_t * fitparameters = new Float_t[nPar] ; | |
695 | ||
696 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
697 | if( !rv ) { | |
88cb7938 | 698 | // Fit failed, return and remove cluster |
9a1398dd | 699 | delete[] fitparameters ; |
700 | return ; | |
701 | } | |
702 | ||
703 | // create ufolded rec points and fill them with new energy lists | |
704 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
705 | // and later correct this number in acordance with actual energy deposition | |
706 | ||
707 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
708 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 709 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
710 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 711 | Int_t relid[4] ; |
7b7c1533 | 712 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 713 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
714 | ||
715 | Int_t iparam ; | |
716 | Int_t iDigit ; | |
717 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 718 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(emcDigits[iDigit] ) ) ; |
7b7c1533 | 719 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
720 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 721 | efit[iDigit] = 0; |
722 | ||
723 | iparam = 0 ; | |
724 | while(iparam < nPar ){ | |
725 | xpar = fitparameters[iparam] ; | |
726 | zpar = fitparameters[iparam+1] ; | |
727 | epar = fitparameters[iparam+2] ; | |
728 | iparam += 3 ; | |
729 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
730 | distance = TMath::Sqrt(distance) ; | |
731 | efit[iDigit] += epar * ShowerShape(distance) ; | |
732 | } | |
733 | } | |
734 | ||
735 | ||
736 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
737 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
738 | // to its contribution to efit | |
739 | ||
740 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
741 | Float_t ratio ; | |
742 | ||
743 | iparam = 0 ; | |
744 | while(iparam < nPar ){ | |
745 | xpar = fitparameters[iparam] ; | |
746 | zpar = fitparameters[iparam+1] ; | |
747 | epar = fitparameters[iparam+2] ; | |
748 | iparam += 3 ; | |
749 | ||
7b7c1533 | 750 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 751 | |
752 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
753 | ||
7b7c1533 | 754 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
88cb7938 | 755 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; |
9a1398dd | 756 | |
73a68ccb | 757 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
88cb7938 | 758 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; |
9a1398dd | 759 | fNumberOfEmcClusters++ ; |
760 | } | |
761 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 762 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
88cb7938 | 763 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; |
9a1398dd | 764 | |
73a68ccb | 765 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
88cb7938 | 766 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; |
9a1398dd | 767 | fNumberOfCpvClusters++ ; |
768 | } | |
769 | ||
770 | Float_t eDigit ; | |
771 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 772 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ) ; |
7b7c1533 | 773 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
774 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 775 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
776 | distance = TMath::Sqrt(distance) ; | |
777 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
778 | eDigit = emcEnergies[iDigit] * ratio ; | |
779 | emcRP->AddDigit( *digit, eDigit ) ; | |
88cb7938 | 780 | } |
9a1398dd | 781 | } |
782 | ||
783 | delete[] fitparameters ; | |
784 | delete[] efit ; | |
785 | ||
786 | } | |
787 | ||
788 | //_____________________________________________________________________________ | |
789 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
790 | { | |
a4e98857 | 791 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 792 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
793 | ||
88cb7938 | 794 | TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ; |
9a1398dd | 795 | |
88cb7938 | 796 | AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint*>( toMinuit->At(0) ) ; |
797 | TClonesArray * digits = dynamic_cast<TClonesArray*>( toMinuit->At(1) ) ; | |
9a1398dd | 798 | |
799 | ||
800 | ||
88cb7938 | 801 | // AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( gMinuit->GetObjectFit() ) ; // EmcRecPoint to fit |
9a1398dd | 802 | |
803 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
804 | ||
7b7c1533 | 805 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 806 | |
807 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
88cb7938 | 808 | |
809 | const AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
9a1398dd | 810 | fret = 0. ; |
811 | Int_t iparam ; | |
812 | ||
813 | if(iflag == 2) | |
814 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
815 | Grad[iparam] = 0 ; // Will evaluate gradient | |
816 | ||
817 | Double_t efit ; | |
818 | ||
819 | AliPHOSDigit * digit ; | |
820 | Int_t iDigit ; | |
821 | ||
7b7c1533 | 822 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 823 | |
88cb7938 | 824 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ); |
9a1398dd | 825 | |
826 | Int_t relid[4] ; | |
827 | Float_t xDigit ; | |
828 | Float_t zDigit ; | |
829 | ||
830 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
831 | ||
832 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
833 | ||
834 | if(iflag == 2){ // calculate gradient | |
835 | Int_t iParam = 0 ; | |
836 | efit = 0 ; | |
837 | while(iParam < nPar ){ | |
88cb7938 | 838 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; |
839 | iParam++ ; | |
840 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
841 | distance = TMath::Sqrt( distance ) ; | |
842 | iParam++ ; | |
843 | efit += x[iParam] * ShowerShape(distance) ; | |
844 | iParam++ ; | |
9a1398dd | 845 | } |
88cb7938 | 846 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) |
9a1398dd | 847 | iParam = 0 ; |
848 | while(iParam < nPar ){ | |
88cb7938 | 849 | Double_t xpar = x[iParam] ; |
850 | Double_t zpar = x[iParam+1] ; | |
851 | Double_t epar = x[iParam+2] ; | |
852 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
853 | Double_t shape = sum * ShowerShape(dr) ; | |
854 | Double_t r4 = dr*dr*dr*dr ; | |
855 | Double_t r295 = TMath::Power(dr,2.95) ; | |
856 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
857 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
858 | ||
859 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
860 | iParam++ ; | |
861 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
862 | iParam++ ; | |
863 | Grad[iParam] += shape ; // Derivative over energy | |
864 | iParam++ ; | |
9a1398dd | 865 | } |
866 | } | |
867 | efit = 0; | |
868 | iparam = 0 ; | |
869 | ||
870 | while(iparam < nPar ){ | |
871 | Double_t xpar = x[iparam] ; | |
872 | Double_t zpar = x[iparam+1] ; | |
873 | Double_t epar = x[iparam+2] ; | |
874 | iparam += 3 ; | |
875 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
876 | distance = TMath::Sqrt(distance) ; | |
877 | efit += epar * ShowerShape(distance) ; | |
878 | } | |
879 | ||
88cb7938 | 880 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; |
9a1398dd | 881 | // Here we assume, that sigma = sqrt(E) |
882 | } | |
83974468 | 883 | |
d15a28e7 | 884 | } |
885 | ||
886 | //____________________________________________________________________________ | |
88cb7938 | 887 | void AliPHOSClusterizerv1::Print()const |
d15a28e7 | 888 | { |
d1de15f5 | 889 | // Print clusterizer parameters |
890 | ||
21cd0c07 | 891 | TString message ; |
892 | TString taskName(GetName()) ; | |
893 | taskName.ReplaceAll(Version(), "") ; | |
894 | ||
895 | if( strcmp(GetName(), "") !=0 ) { | |
9a1398dd | 896 | // Print parameters |
21cd0c07 | 897 | message = "\n--------------- %s %s -----------\n" ; |
898 | message += "Clusterizing digits from the file: %s\n" ; | |
899 | message += " Branch: %s\n" ; | |
900 | message += " EMC Clustering threshold = %f\n" ; | |
901 | message += " EMC Local Maximum cut = %f\n" ; | |
902 | message += " EMC Logarothmic weight = %f\n" ; | |
903 | message += " CPV Clustering threshold = %f\n" ; | |
904 | message += " CPV Local Maximum cut = %f\n" ; | |
905 | message += " CPV Logarothmic weight = %f\n" ; | |
9a1398dd | 906 | if(fToUnfold) |
21cd0c07 | 907 | message += " Unfolding on\n" ; |
9a1398dd | 908 | else |
21cd0c07 | 909 | message += " Unfolding off\n" ; |
9a1398dd | 910 | |
21cd0c07 | 911 | message += "------------------------------------------------------------------" ; |
9a1398dd | 912 | } |
21cd0c07 | 913 | else |
914 | message = " AliPHOSClusterizerv1 not initialized " ; | |
915 | ||
916 | Info("Print", message.Data(), | |
917 | taskName.Data(), | |
918 | GetTitle(), | |
919 | taskName.Data(), | |
920 | GetName(), | |
921 | fEmcClusteringThreshold, | |
922 | fEmcLocMaxCut, | |
923 | fW0, | |
924 | fCpvClusteringThreshold, | |
925 | fCpvLocMaxCut, | |
926 | fW0CPV ) ; | |
9a1398dd | 927 | } |
21cd0c07 | 928 | |
929 | ||
9a1398dd | 930 | //____________________________________________________________________________ |
a4e98857 | 931 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
932 | { | |
933 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 934 | |
88cb7938 | 935 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
936 | ||
937 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
938 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 939 | |
709e117a | 940 | printf("\nevent %d \n", gAlice->GetEvNumber()) ; |
941 | printf(" Found %d EMC RecPoints and %d CPV RecPoints \n", | |
942 | emcRecPoints->GetEntriesFast(),cpvRecPoints->GetEntriesFast()) ; | |
88cb7938 | 943 | |
944 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; | |
945 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
946 | ||
11f9c5ff | 947 | |
9a1398dd | 948 | if(strstr(option,"all")) { |
709e117a | 949 | printf("\n EMC clusters \n") ; |
950 | printf("Index Ene(MeV) Multi Module X Y Z Lambdas_1 Lambda_2 # of prim Primaries list\n") ; | |
9a1398dd | 951 | Int_t index ; |
7b7c1533 | 952 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
953 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 954 | TVector3 locpos; |
955 | rp->GetLocalPosition(locpos); | |
9a1398dd | 956 | Float_t lambda[2]; |
957 | rp->GetElipsAxis(lambda); | |
9a1398dd | 958 | Int_t * primaries; |
959 | Int_t nprimaries; | |
960 | primaries = rp->GetPrimaries(nprimaries); | |
709e117a | 961 | printf("\n%6d %8.2f %3d %2d %4.1f %4.1f %4.1f %4f %4f %2d : ", |
11f9c5ff | 962 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetPHOSMod(), |
963 | locpos.X(), locpos.Y(), locpos.Z(), lambda[0], lambda[1], nprimaries) ; | |
3bf72d32 | 964 | |
21cd0c07 | 965 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) { |
709e117a | 966 | printf("%d ", primaries[iprimary] ) ; |
21cd0c07 | 967 | } |
709e117a | 968 | printf("\n") ; |
969 | } | |
970 | ||
971 | //Now plot CPV recPoints | |
972 | printf("\n CPV clusters \n") ; | |
973 | printf("Index Ene(MeV) Module X Y Z \n") ; | |
974 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { | |
975 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
11f9c5ff | 976 | |
709e117a | 977 | TVector3 locpos; |
978 | rp->GetLocalPosition(locpos); | |
11f9c5ff | 979 | |
709e117a | 980 | printf("\n%6d %8.2f %2d %4.1f %4.1f %4.1f \n", |
11f9c5ff | 981 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetPHOSMod(), |
709e117a | 982 | locpos.X(), locpos.Y(), locpos.Z()) ; |
88cb7938 | 983 | } |
9a1398dd | 984 | } |
d15a28e7 | 985 | } |
9a1398dd | 986 |