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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 | //____________________________________________________________________________ |
eabde521 | 117 | void AliPHOSClusterizerv1::Exec(Option_t *option) |
a4e98857 | 118 | { |
eabde521 | 119 | // Steering method to perform clusterization for events |
120 | // in the range from fFirstEvent to fLastEvent. | |
121 | // This range is optionally set by SetEventRange(). | |
122 | // if fLastEvent=-1 (by default), then process events until the end. | |
9a1398dd | 123 | |
124 | if(strstr(option,"tim")) | |
7d493c2c | 125 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 126 | |
eabde521 | 127 | if(strstr(option,"print")) { |
88cb7938 | 128 | Print() ; |
eabde521 | 129 | return ; |
130 | } | |
bed9e3fb | 131 | |
88cb7938 | 132 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
133 | ||
9cae45af | 134 | if (fLastEvent == -1) |
135 | fLastEvent = gime->MaxEvent() - 1 ; | |
136 | else | |
137 | fLastEvent = TMath::Min(fLastEvent,gime->MaxEvent()); | |
eabde521 | 138 | Int_t nEvents = fLastEvent - fFirstEvent + 1; |
fbf811ec | 139 | |
9cae45af | 140 | Int_t ievent ; |
141 | ||
142 | for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { | |
88cb7938 | 143 | gime->Event(ievent, "D"); |
144 | ||
145 | GetCalibrationParameters() ; | |
bed9e3fb | 146 | |
548f0134 | 147 | fNumberOfEmcClusters = fNumberOfCpvClusters = 0 ; |
9a1398dd | 148 | |
88cb7938 | 149 | MakeClusters() ; |
150 | ||
fc12304f | 151 | if(fToUnfold) |
152 | MakeUnfolding() ; | |
7b7c1533 | 153 | |
88cb7938 | 154 | WriteRecPoints(); |
7b7c1533 | 155 | |
94de8339 | 156 | if(strstr(option,"deb")) |
157 | PrintRecPoints(option) ; | |
158 | ||
88cb7938 | 159 | //increment the total number of recpoints per run |
fbf811ec | 160 | fRecPointsInRun += gime->EmcRecPoints()->GetEntriesFast() ; |
161 | fRecPointsInRun += gime->CpvRecPoints()->GetEntriesFast() ; | |
88cb7938 | 162 | } |
163 | ||
164 | Unload(); | |
9a1398dd | 165 | |
166 | if(strstr(option,"tim")){ | |
167 | gBenchmark->Stop("PHOSClusterizer"); | |
21cd0c07 | 168 | Info("Exec", " took %f seconds for Clusterizing %f seconds per event \n", |
169 | gBenchmark->GetCpuTime("PHOSClusterizer"), | |
eabde521 | 170 | gBenchmark->GetCpuTime("PHOSClusterizer")/nEvents ) ; |
88cb7938 | 171 | } |
9a1398dd | 172 | } |
173 | ||
174 | //____________________________________________________________________________ | |
a0636361 | 175 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 176 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 177 | { |
178 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 179 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 180 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 181 | |
88cb7938 | 182 | |
183 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
184 | TClonesArray * digits = gime->Digits(); | |
7b7c1533 | 185 | |
186 | ||
9a1398dd | 187 | gMinuit->mncler(); // Reset Minuit's list of paramters |
188 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
189 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
190 | // To set the address of the minimization function | |
191 | ||
192 | TList * toMinuit = new TList(); | |
193 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 194 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 195 | |
196 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
197 | ||
198 | // filling initial values for fit parameters | |
199 | AliPHOSDigit * digit ; | |
200 | ||
201 | Int_t ierflg = 0; | |
202 | Int_t index = 0 ; | |
203 | Int_t nDigits = (Int_t) nPar / 3 ; | |
204 | ||
205 | Int_t iDigit ; | |
206 | ||
7b7c1533 | 207 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 208 | |
209 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 210 | digit = maxAt[iDigit]; |
9a1398dd | 211 | |
212 | Int_t relid[4] ; | |
7b7c1533 | 213 | Float_t x = 0.; |
214 | Float_t z = 0.; | |
215 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
216 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 217 | |
218 | Float_t energy = maxAtEnergy[iDigit] ; | |
219 | ||
220 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
221 | index++ ; | |
222 | if(ierflg != 0){ | |
21cd0c07 | 223 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : x = %f\n", x ) ; |
9a1398dd | 224 | return kFALSE; |
225 | } | |
226 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
227 | index++ ; | |
228 | if(ierflg != 0){ | |
21cd0c07 | 229 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : z =%f\n", z ) ; |
9a1398dd | 230 | return kFALSE; |
231 | } | |
232 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
233 | index++ ; | |
234 | if(ierflg != 0){ | |
21cd0c07 | 235 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : energy = %f\n", energy ) ; |
9a1398dd | 236 | return kFALSE; |
237 | } | |
238 | } | |
239 | ||
240 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
241 | // depends on it. | |
242 | Double_t p1 = 1.0 ; | |
243 | Double_t p2 = 0.0 ; | |
244 | ||
245 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
246 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
247 | gMinuit->SetMaxIterations(5); | |
248 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
249 | ||
250 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
251 | ||
252 | if(ierflg == 4){ // Minimum not found | |
21cd0c07 | 253 | Warning("FindFit", "PHOS Unfolding fit not converged, cluster abandoned\n" ); |
9a1398dd | 254 | return kFALSE ; |
255 | } | |
256 | for(index = 0; index < nPar; index++){ | |
257 | Double_t err ; | |
258 | Double_t val ; | |
259 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
260 | fitparameters[index] = val ; | |
261 | } | |
262 | ||
263 | delete toMinuit ; | |
264 | return kTRUE; | |
c3c187e5 | 265 | |
d15a28e7 | 266 | } |
267 | ||
3758d9fc | 268 | //____________________________________________________________________________ |
269 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
270 | { | |
fbf811ec | 271 | |
88cb7938 | 272 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
c2cd5471 | 273 | |
88cb7938 | 274 | if ( !gime->Digitizer() ) |
275 | gime->LoadDigitizer(); | |
276 | AliPHOSDigitizer * dig = gime->Digitizer(); | |
277 | ||
278 | fADCchanelEmc = dig->GetEMCchannel() ; | |
279 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
280 | ||
281 | fADCchanelCpv = dig->GetCPVchannel() ; | |
282 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
283 | ||
284 | // fCalibrationDB = gime->CalibrationDB(); | |
3758d9fc | 285 | } |
548f0134 | 286 | |
d15a28e7 | 287 | //____________________________________________________________________________ |
a4e98857 | 288 | void AliPHOSClusterizerv1::Init() |
289 | { | |
2bd5457f | 290 | // Make all memory allocations which can not be done in default constructor. |
291 | // Attach the Clusterizer task to the list of PHOS tasks | |
88cb7938 | 292 | |
293 | AliPHOSGetter* gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
fbf811ec | 294 | |
88cb7938 | 295 | AliPHOSGeometry * geom = gime->PHOSGeometry(); |
296 | ||
3758d9fc | 297 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; |
298 | ||
7b7c1533 | 299 | if(!gMinuit) |
88cb7938 | 300 | gMinuit = new TMinuit(100); |
fbf811ec | 301 | |
88cb7938 | 302 | if ( !gime->Clusterizer() ) |
303 | gime->PostClusterizer(this); | |
9a1398dd | 304 | } |
7b7c1533 | 305 | |
8d0f3f77 | 306 | //____________________________________________________________________________ |
307 | void AliPHOSClusterizerv1::InitParameters() | |
308 | { | |
309 | ||
310 | fNumberOfCpvClusters = 0 ; | |
311 | fNumberOfEmcClusters = 0 ; | |
312 | ||
313 | fCpvClusteringThreshold = 0.0; | |
314 | fEmcClusteringThreshold = 0.2; | |
315 | ||
316 | fEmcLocMaxCut = 0.03 ; | |
317 | fCpvLocMaxCut = 0.03 ; | |
318 | ||
319 | fW0 = 4.5 ; | |
320 | fW0CPV = 4.0 ; | |
321 | ||
322 | fEmcTimeGate = 1.e-8 ; | |
323 | ||
324 | fToUnfold = kTRUE ; | |
88cb7938 | 325 | |
8d0f3f77 | 326 | fRecPointsInRun = 0 ; |
c2cd5471 | 327 | |
eabde521 | 328 | SetEventRange(0,-1) ; |
8d0f3f77 | 329 | } |
330 | ||
9a1398dd | 331 | //____________________________________________________________________________ |
332 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 333 | { |
b2a60966 | 334 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
335 | // = 1 are neighbour | |
336 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 337 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 338 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
339 | // which is compared to a digit (d2) not yet in a cluster | |
340 | ||
88cb7938 | 341 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
7b7c1533 | 342 | |
d15a28e7 | 343 | Int_t rv = 0 ; |
344 | ||
d15a28e7 | 345 | Int_t relid1[4] ; |
7b7c1533 | 346 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 347 | |
348 | Int_t relid2[4] ; | |
7b7c1533 | 349 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 350 | |
9688c1dd | 351 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 352 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
353 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 354 | |
92862013 | 355 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 356 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 357 | rv = 1 ; |
358 | } | |
359 | else { | |
360 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
88cb7938 | 361 | rv = 2; // Difference in row numbers is too large to look further |
d15a28e7 | 362 | } |
363 | ||
364 | } | |
365 | else { | |
366 | ||
9688c1dd | 367 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 368 | rv=2 ; |
369 | ||
370 | } | |
d72dfbc3 | 371 | |
d15a28e7 | 372 | return rv ; |
373 | } | |
374 | ||
d15a28e7 | 375 | |
376 | //____________________________________________________________________________ | |
9a1398dd | 377 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 378 | { |
b2a60966 | 379 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
380 | ||
9f616d61 | 381 | Bool_t rv = kFALSE ; |
88cb7938 | 382 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
d15a28e7 | 383 | |
2b629790 | 384 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 385 | |
2b629790 | 386 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 387 | |
388 | return rv ; | |
389 | } | |
390 | ||
ed4205d8 | 391 | //____________________________________________________________________________ |
9a1398dd | 392 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 393 | { |
fad3e5b9 | 394 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 395 | |
396 | Bool_t rv = kFALSE ; | |
88cb7938 | 397 | |
398 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
ed4205d8 | 399 | |
2b629790 | 400 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 401 | |
2b629790 | 402 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 403 | |
404 | return rv ; | |
405 | } | |
9a1398dd | 406 | |
407 | //____________________________________________________________________________ | |
88cb7938 | 408 | void AliPHOSClusterizerv1::Unload() |
409 | { | |
410 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
411 | gime->PhosLoader()->UnloadDigits() ; | |
412 | gime->PhosLoader()->UnloadRecPoints() ; | |
413 | } | |
414 | ||
415 | //____________________________________________________________________________ | |
416 | void AliPHOSClusterizerv1::WriteRecPoints() | |
a4e98857 | 417 | { |
7b7c1533 | 418 | |
419 | // Creates new branches with given title | |
a4e98857 | 420 | // fills and writes into TreeR. |
88cb7938 | 421 | |
422 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
423 | ||
fbf811ec | 424 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
425 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
426 | TClonesArray * digits = gime->Digits() ; | |
fbf811ec | 427 | |
88cb7938 | 428 | TTree * treeR = gime->TreeR(); |
fbf811ec | 429 | |
9a1398dd | 430 | Int_t index ; |
01a599c9 | 431 | //Evaluate position, dispersion and other RecPoint properties... |
88cb7938 | 432 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
433 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->EvalAll(fW0,digits) ; | |
434 | ||
7b7c1533 | 435 | emcRecPoints->Sort() ; |
7b7c1533 | 436 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
88cb7938 | 437 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 438 | |
7b7c1533 | 439 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
fbf811ec | 440 | |
9a1398dd | 441 | //Now the same for CPV |
7b7c1533 | 442 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
e957fea8 | 443 | dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) )->EvalAll(digits) ; |
fbf811ec | 444 | |
7b7c1533 | 445 | cpvRecPoints->Sort() ; |
fbf811ec | 446 | |
7b7c1533 | 447 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
88cb7938 | 448 | dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 449 | |
7b7c1533 | 450 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 451 | |
9a1398dd | 452 | Int_t bufferSize = 32000 ; |
453 | Int_t splitlevel = 0 ; | |
8d0f3f77 | 454 | |
01a599c9 | 455 | //First EMC |
8d0f3f77 | 456 | TBranch * emcBranch = treeR->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 457 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 458 | |
459 | //Now CPV branch | |
8d0f3f77 | 460 | TBranch * cpvBranch = treeR->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 461 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 462 | |
01a599c9 | 463 | emcBranch ->Fill() ; |
464 | cpvBranch ->Fill() ; | |
88cb7938 | 465 | |
466 | gime->WriteRecPoints("OVERWRITE"); | |
467 | gime->WriteClusterizer("OVERWRITE"); | |
9a1398dd | 468 | } |
469 | ||
470 | //____________________________________________________________________________ | |
471 | void AliPHOSClusterizerv1::MakeClusters() | |
472 | { | |
473 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
474 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 475 | |
88cb7938 | 476 | |
477 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
478 | ||
479 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
480 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 481 | |
7d493c2c | 482 | emcRecPoints->Delete() ; |
483 | cpvRecPoints->Delete() ; | |
7b7c1533 | 484 | |
fbf811ec | 485 | TClonesArray * digits = gime->Digits() ; |
88cb7938 | 486 | |
487 | TClonesArray * digitsC = static_cast<TClonesArray*>( digits->Clone() ) ; | |
7b7c1533 | 488 | |
489 | ||
d15a28e7 | 490 | // Clusterization starts |
9a1398dd | 491 | |
7b7c1533 | 492 | TIter nextdigit(digitsC) ; |
d15a28e7 | 493 | AliPHOSDigit * digit ; |
92862013 | 494 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 495 | |
88cb7938 | 496 | while ( (digit = dynamic_cast<AliPHOSDigit *>( nextdigit()) ) ) { // scan over the list of digitsC |
497 | ||
498 | ||
9a1398dd | 499 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 500 | |
d1de15f5 | 501 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 502 | Int_t index ; |
f2bc1b87 | 503 | |
3758d9fc | 504 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
505 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
d15a28e7 | 506 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 507 | |
6ad0bfa0 | 508 | if ( IsInEmc(digit) ) { |
88cb7938 | 509 | // start a new EMC RecPoint |
510 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) | |
511 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
512 | ||
513 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; | |
514 | clu = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; | |
515 | fNumberOfEmcClusters++ ; | |
516 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; | |
517 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
518 | iDigitInCluster++ ; | |
519 | digitsC->Remove(digit) ; | |
ca77b032 | 520 | |
d72dfbc3 | 521 | } else { |
88cb7938 | 522 | |
523 | // start a new CPV cluster | |
524 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) | |
525 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
526 | ||
527 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; | |
528 | ||
529 | clu = dynamic_cast<AliPHOSCpvRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; | |
530 | fNumberOfCpvClusters++ ; | |
531 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; | |
532 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
533 | iDigitInCluster++ ; | |
534 | digitsC->Remove(digit) ; | |
d15a28e7 | 535 | nextdigit.Reset() ; |
88cb7938 | 536 | |
537 | // Here we remove remaining EMC digits, which cannot make a cluster | |
538 | ||
92862013 | 539 | if( notremoved ) { |
88cb7938 | 540 | while( ( digit = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { |
9f616d61 | 541 | if( IsInEmc(digit) ) |
88cb7938 | 542 | digitsC->Remove(digit) ; |
d15a28e7 | 543 | else |
88cb7938 | 544 | break ; |
545 | } | |
546 | notremoved = kFALSE ; | |
547 | } | |
548 | ||
d15a28e7 | 549 | } // else |
550 | ||
551 | nextdigit.Reset() ; | |
fad3e5b9 | 552 | |
d15a28e7 | 553 | AliPHOSDigit * digitN ; |
554 | index = 0 ; | |
9f616d61 | 555 | while (index < iDigitInCluster){ // scan over digits already in cluster |
88cb7938 | 556 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(clusterdigitslist[index]) ) ; |
557 | index++ ; | |
558 | while ( (digitN = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { // scan over the reduced list of digits | |
559 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! | |
d15a28e7 | 560 | switch (ineb ) { |
9f616d61 | 561 | case 0 : // not a neighbour |
88cb7938 | 562 | break ; |
563 | case 1 : // are neighbours | |
564 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; | |
565 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; | |
566 | iDigitInCluster++ ; | |
567 | digitsC->Remove(digitN) ; | |
568 | break ; | |
9f616d61 | 569 | case 2 : // too far from each other |
88cb7938 | 570 | goto endofloop; |
571 | } // switch | |
572 | ||
573 | } // while digitN | |
574 | ||
d15a28e7 | 575 | endofloop: ; |
88cb7938 | 576 | nextdigit.Reset() ; |
577 | ||
d15a28e7 | 578 | } // loop over cluster |
ad8cfaf4 | 579 | |
ad8cfaf4 | 580 | } // energy theshold |
ad8cfaf4 | 581 | |
31aa6d6c | 582 | |
d15a28e7 | 583 | } // while digit |
584 | ||
7b7c1533 | 585 | delete digitsC ; |
9688c1dd | 586 | |
9a1398dd | 587 | } |
588 | ||
589 | //____________________________________________________________________________ | |
a4e98857 | 590 | void AliPHOSClusterizerv1::MakeUnfolding() |
591 | { | |
592 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 593 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 594 | |
88cb7938 | 595 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 596 | |
7b7c1533 | 597 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 598 | |
599 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
600 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
fbf811ec | 601 | TClonesArray * digits = gime->Digits() ; |
7b7c1533 | 602 | |
a4e98857 | 603 | // Unfold first EMC clusters |
9a1398dd | 604 | if(fNumberOfEmcClusters > 0){ |
605 | ||
7b7c1533 | 606 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 607 | |
608 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
609 | Int_t index ; | |
610 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
611 | ||
88cb7938 | 612 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) ) ; |
9a1398dd | 613 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
88cb7938 | 614 | break ; |
9a1398dd | 615 | |
616 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 617 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 618 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 619 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 620 | |
621 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 622 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
623 | emcRecPoints->Remove(emcRecPoint); | |
624 | emcRecPoints->Compress() ; | |
625 | index-- ; | |
626 | fNumberOfEmcClusters -- ; | |
627 | numberofNotUnfolded-- ; | |
9a1398dd | 628 | } |
629 | ||
630 | delete[] maxAt ; | |
631 | delete[] maxAtEnergy ; | |
632 | } | |
633 | } | |
a4e98857 | 634 | // Unfolding of EMC clusters finished |
9a1398dd | 635 | |
636 | ||
a4e98857 | 637 | // Unfold now CPV clusters |
9a1398dd | 638 | if(fNumberOfCpvClusters > 0){ |
639 | ||
9688c1dd | 640 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 641 | |
642 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
643 | Int_t index ; | |
644 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
645 | ||
88cb7938 | 646 | AliPHOSRecPoint * recPoint = dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) ) ; |
9a1398dd | 647 | |
648 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
88cb7938 | 649 | break ; |
9a1398dd | 650 | |
88cb7938 | 651 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint*>(recPoint) ; |
9a1398dd | 652 | |
653 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 654 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 655 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 656 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 657 | |
658 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 659 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
660 | cpvRecPoints->Remove(emcRecPoint); | |
661 | cpvRecPoints->Compress() ; | |
662 | index-- ; | |
663 | numberofCpvNotUnfolded-- ; | |
664 | fNumberOfCpvClusters-- ; | |
9a1398dd | 665 | } |
666 | ||
667 | delete[] maxAt ; | |
668 | delete[] maxAtEnergy ; | |
669 | } | |
670 | } | |
671 | //Unfolding of Cpv clusters finished | |
672 | ||
673 | } | |
674 | ||
9a1398dd | 675 | //____________________________________________________________________________ |
676 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
677 | { | |
678 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 679 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 680 | |
681 | Double_t r4 = r*r*r*r ; | |
682 | Double_t r295 = TMath::Power(r, 2.95) ; | |
683 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
684 | return shape ; | |
685 | } | |
686 | ||
687 | //____________________________________________________________________________ | |
688 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
88cb7938 | 689 | Int_t nMax, |
690 | AliPHOSDigit ** maxAt, | |
691 | Float_t * maxAtEnergy) | |
9a1398dd | 692 | { |
693 | // Performs the unfolding of a cluster with nMax overlapping showers | |
694 | ||
88cb7938 | 695 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 696 | |
7b7c1533 | 697 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 698 | |
fbf811ec | 699 | const TClonesArray * digits = gime->Digits() ; |
700 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
701 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 702 | |
9a1398dd | 703 | Int_t nPar = 3 * nMax ; |
704 | Float_t * fitparameters = new Float_t[nPar] ; | |
705 | ||
706 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
707 | if( !rv ) { | |
88cb7938 | 708 | // Fit failed, return and remove cluster |
9a1398dd | 709 | delete[] fitparameters ; |
710 | return ; | |
711 | } | |
712 | ||
713 | // create ufolded rec points and fill them with new energy lists | |
714 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
715 | // and later correct this number in acordance with actual energy deposition | |
716 | ||
717 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
718 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 719 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
720 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 721 | Int_t relid[4] ; |
7b7c1533 | 722 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 723 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
724 | ||
725 | Int_t iparam ; | |
726 | Int_t iDigit ; | |
727 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 728 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(emcDigits[iDigit] ) ) ; |
7b7c1533 | 729 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
730 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 731 | efit[iDigit] = 0; |
732 | ||
733 | iparam = 0 ; | |
734 | while(iparam < nPar ){ | |
735 | xpar = fitparameters[iparam] ; | |
736 | zpar = fitparameters[iparam+1] ; | |
737 | epar = fitparameters[iparam+2] ; | |
738 | iparam += 3 ; | |
739 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
740 | distance = TMath::Sqrt(distance) ; | |
741 | efit[iDigit] += epar * ShowerShape(distance) ; | |
742 | } | |
743 | } | |
744 | ||
745 | ||
746 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
747 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
748 | // to its contribution to efit | |
749 | ||
750 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
751 | Float_t ratio ; | |
752 | ||
753 | iparam = 0 ; | |
754 | while(iparam < nPar ){ | |
755 | xpar = fitparameters[iparam] ; | |
756 | zpar = fitparameters[iparam+1] ; | |
757 | epar = fitparameters[iparam+2] ; | |
758 | iparam += 3 ; | |
759 | ||
7b7c1533 | 760 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 761 | |
762 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
763 | ||
7b7c1533 | 764 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
88cb7938 | 765 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; |
9a1398dd | 766 | |
73a68ccb | 767 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
88cb7938 | 768 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; |
9a1398dd | 769 | fNumberOfEmcClusters++ ; |
770 | } | |
771 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 772 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
88cb7938 | 773 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; |
9a1398dd | 774 | |
73a68ccb | 775 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
88cb7938 | 776 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; |
9a1398dd | 777 | fNumberOfCpvClusters++ ; |
778 | } | |
779 | ||
780 | Float_t eDigit ; | |
781 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 782 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ) ; |
7b7c1533 | 783 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
784 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 785 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
786 | distance = TMath::Sqrt(distance) ; | |
787 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
788 | eDigit = emcEnergies[iDigit] * ratio ; | |
789 | emcRP->AddDigit( *digit, eDigit ) ; | |
88cb7938 | 790 | } |
9a1398dd | 791 | } |
792 | ||
793 | delete[] fitparameters ; | |
794 | delete[] efit ; | |
795 | ||
796 | } | |
797 | ||
798 | //_____________________________________________________________________________ | |
799 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
800 | { | |
a4e98857 | 801 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 802 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
803 | ||
88cb7938 | 804 | TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ; |
9a1398dd | 805 | |
88cb7938 | 806 | AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint*>( toMinuit->At(0) ) ; |
807 | TClonesArray * digits = dynamic_cast<TClonesArray*>( toMinuit->At(1) ) ; | |
9a1398dd | 808 | |
809 | ||
810 | ||
88cb7938 | 811 | // AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( gMinuit->GetObjectFit() ) ; // EmcRecPoint to fit |
9a1398dd | 812 | |
813 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
814 | ||
7b7c1533 | 815 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 816 | |
817 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
88cb7938 | 818 | |
819 | const AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
9a1398dd | 820 | fret = 0. ; |
821 | Int_t iparam ; | |
822 | ||
823 | if(iflag == 2) | |
824 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
825 | Grad[iparam] = 0 ; // Will evaluate gradient | |
826 | ||
827 | Double_t efit ; | |
828 | ||
829 | AliPHOSDigit * digit ; | |
830 | Int_t iDigit ; | |
831 | ||
7b7c1533 | 832 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 833 | |
88cb7938 | 834 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ); |
9a1398dd | 835 | |
836 | Int_t relid[4] ; | |
837 | Float_t xDigit ; | |
838 | Float_t zDigit ; | |
839 | ||
840 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
841 | ||
842 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
843 | ||
844 | if(iflag == 2){ // calculate gradient | |
845 | Int_t iParam = 0 ; | |
846 | efit = 0 ; | |
847 | while(iParam < nPar ){ | |
88cb7938 | 848 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; |
849 | iParam++ ; | |
850 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
851 | distance = TMath::Sqrt( distance ) ; | |
852 | iParam++ ; | |
853 | efit += x[iParam] * ShowerShape(distance) ; | |
854 | iParam++ ; | |
9a1398dd | 855 | } |
88cb7938 | 856 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) |
9a1398dd | 857 | iParam = 0 ; |
858 | while(iParam < nPar ){ | |
88cb7938 | 859 | Double_t xpar = x[iParam] ; |
860 | Double_t zpar = x[iParam+1] ; | |
861 | Double_t epar = x[iParam+2] ; | |
862 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
863 | Double_t shape = sum * ShowerShape(dr) ; | |
864 | Double_t r4 = dr*dr*dr*dr ; | |
865 | Double_t r295 = TMath::Power(dr,2.95) ; | |
866 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
867 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
868 | ||
869 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
870 | iParam++ ; | |
871 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
872 | iParam++ ; | |
873 | Grad[iParam] += shape ; // Derivative over energy | |
874 | iParam++ ; | |
9a1398dd | 875 | } |
876 | } | |
877 | efit = 0; | |
878 | iparam = 0 ; | |
879 | ||
880 | while(iparam < nPar ){ | |
881 | Double_t xpar = x[iparam] ; | |
882 | Double_t zpar = x[iparam+1] ; | |
883 | Double_t epar = x[iparam+2] ; | |
884 | iparam += 3 ; | |
885 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
886 | distance = TMath::Sqrt(distance) ; | |
887 | efit += epar * ShowerShape(distance) ; | |
888 | } | |
889 | ||
88cb7938 | 890 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; |
9a1398dd | 891 | // Here we assume, that sigma = sqrt(E) |
892 | } | |
83974468 | 893 | |
d15a28e7 | 894 | } |
895 | ||
896 | //____________________________________________________________________________ | |
88cb7938 | 897 | void AliPHOSClusterizerv1::Print()const |
d15a28e7 | 898 | { |
d1de15f5 | 899 | // Print clusterizer parameters |
900 | ||
21cd0c07 | 901 | TString message ; |
902 | TString taskName(GetName()) ; | |
903 | taskName.ReplaceAll(Version(), "") ; | |
904 | ||
905 | if( strcmp(GetName(), "") !=0 ) { | |
9a1398dd | 906 | // Print parameters |
21cd0c07 | 907 | message = "\n--------------- %s %s -----------\n" ; |
908 | message += "Clusterizing digits from the file: %s\n" ; | |
909 | message += " Branch: %s\n" ; | |
910 | message += " EMC Clustering threshold = %f\n" ; | |
911 | message += " EMC Local Maximum cut = %f\n" ; | |
912 | message += " EMC Logarothmic weight = %f\n" ; | |
913 | message += " CPV Clustering threshold = %f\n" ; | |
914 | message += " CPV Local Maximum cut = %f\n" ; | |
915 | message += " CPV Logarothmic weight = %f\n" ; | |
9a1398dd | 916 | if(fToUnfold) |
21cd0c07 | 917 | message += " Unfolding on\n" ; |
9a1398dd | 918 | else |
21cd0c07 | 919 | message += " Unfolding off\n" ; |
9a1398dd | 920 | |
21cd0c07 | 921 | message += "------------------------------------------------------------------" ; |
9a1398dd | 922 | } |
21cd0c07 | 923 | else |
924 | message = " AliPHOSClusterizerv1 not initialized " ; | |
925 | ||
926 | Info("Print", message.Data(), | |
927 | taskName.Data(), | |
928 | GetTitle(), | |
929 | taskName.Data(), | |
930 | GetName(), | |
931 | fEmcClusteringThreshold, | |
932 | fEmcLocMaxCut, | |
933 | fW0, | |
934 | fCpvClusteringThreshold, | |
935 | fCpvLocMaxCut, | |
936 | fW0CPV ) ; | |
9a1398dd | 937 | } |
21cd0c07 | 938 | |
939 | ||
9a1398dd | 940 | //____________________________________________________________________________ |
a4e98857 | 941 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
942 | { | |
943 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 944 | |
88cb7938 | 945 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
946 | ||
947 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
948 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 949 | |
709e117a | 950 | printf("\nevent %d \n", gAlice->GetEvNumber()) ; |
951 | printf(" Found %d EMC RecPoints and %d CPV RecPoints \n", | |
952 | emcRecPoints->GetEntriesFast(),cpvRecPoints->GetEntriesFast()) ; | |
88cb7938 | 953 | |
954 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; | |
955 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
956 | ||
11f9c5ff | 957 | |
9a1398dd | 958 | if(strstr(option,"all")) { |
709e117a | 959 | printf("\n EMC clusters \n") ; |
960 | printf("Index Ene(MeV) Multi Module X Y Z Lambdas_1 Lambda_2 # of prim Primaries list\n") ; | |
9a1398dd | 961 | Int_t index ; |
7b7c1533 | 962 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
963 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 964 | TVector3 locpos; |
965 | rp->GetLocalPosition(locpos); | |
9a1398dd | 966 | Float_t lambda[2]; |
967 | rp->GetElipsAxis(lambda); | |
9a1398dd | 968 | Int_t * primaries; |
969 | Int_t nprimaries; | |
970 | primaries = rp->GetPrimaries(nprimaries); | |
709e117a | 971 | printf("\n%6d %8.2f %3d %2d %4.1f %4.1f %4.1f %4f %4f %2d : ", |
11f9c5ff | 972 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetPHOSMod(), |
973 | locpos.X(), locpos.Y(), locpos.Z(), lambda[0], lambda[1], nprimaries) ; | |
3bf72d32 | 974 | |
21cd0c07 | 975 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) { |
709e117a | 976 | printf("%d ", primaries[iprimary] ) ; |
21cd0c07 | 977 | } |
709e117a | 978 | printf("\n") ; |
979 | } | |
980 | ||
981 | //Now plot CPV recPoints | |
982 | printf("\n CPV clusters \n") ; | |
983 | printf("Index Ene(MeV) Module X Y Z \n") ; | |
984 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { | |
985 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
11f9c5ff | 986 | |
709e117a | 987 | TVector3 locpos; |
988 | rp->GetLocalPosition(locpos); | |
11f9c5ff | 989 | |
709e117a | 990 | printf("\n%6d %8.2f %2d %4.1f %4.1f %4.1f \n", |
11f9c5ff | 991 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetPHOSMod(), |
709e117a | 992 | locpos.X(), locpos.Y(), locpos.Z()) ; |
88cb7938 | 993 | } |
9a1398dd | 994 | } |
d15a28e7 | 995 | } |
9a1398dd | 996 |