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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 | |
fb43ada4 | 132 | AliPHOSGetter * gime = AliPHOSGetter::Instance(GetTitle()) ; |
88cb7938 | 133 | |
9cae45af | 134 | if (fLastEvent == -1) |
135 | fLastEvent = gime->MaxEvent() - 1 ; | |
136 | else | |
fb43ada4 | 137 | fLastEvent = TMath::Min(fFirstEvent, gime->MaxEvent()); // one event at the time |
eabde521 | 138 | Int_t nEvents = fLastEvent - fFirstEvent + 1; |
fbf811ec | 139 | |
9cae45af | 140 | Int_t ievent ; |
9cae45af | 141 | for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { |
88cb7938 | 142 | gime->Event(ievent, "D"); |
143 | ||
144 | GetCalibrationParameters() ; | |
bed9e3fb | 145 | |
548f0134 | 146 | fNumberOfEmcClusters = fNumberOfCpvClusters = 0 ; |
9a1398dd | 147 | |
88cb7938 | 148 | MakeClusters() ; |
149 | ||
fc12304f | 150 | if(fToUnfold) |
151 | MakeUnfolding() ; | |
7b7c1533 | 152 | |
88cb7938 | 153 | WriteRecPoints(); |
7b7c1533 | 154 | |
94de8339 | 155 | if(strstr(option,"deb")) |
156 | PrintRecPoints(option) ; | |
157 | ||
88cb7938 | 158 | //increment the total number of recpoints per run |
fbf811ec | 159 | fRecPointsInRun += gime->EmcRecPoints()->GetEntriesFast() ; |
160 | fRecPointsInRun += gime->CpvRecPoints()->GetEntriesFast() ; | |
88cb7938 | 161 | } |
162 | ||
163 | Unload(); | |
9a1398dd | 164 | |
165 | if(strstr(option,"tim")){ | |
166 | gBenchmark->Stop("PHOSClusterizer"); | |
21cd0c07 | 167 | Info("Exec", " took %f seconds for Clusterizing %f seconds per event \n", |
168 | gBenchmark->GetCpuTime("PHOSClusterizer"), | |
eabde521 | 169 | gBenchmark->GetCpuTime("PHOSClusterizer")/nEvents ) ; |
88cb7938 | 170 | } |
9a1398dd | 171 | } |
172 | ||
173 | //____________________________________________________________________________ | |
a0636361 | 174 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 175 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 176 | { |
177 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 178 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 179 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 180 | |
88cb7938 | 181 | |
182 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
183 | TClonesArray * digits = gime->Digits(); | |
7b7c1533 | 184 | |
185 | ||
9a1398dd | 186 | gMinuit->mncler(); // Reset Minuit's list of paramters |
187 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
188 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
189 | // To set the address of the minimization function | |
190 | ||
191 | TList * toMinuit = new TList(); | |
192 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 193 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 194 | |
195 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
196 | ||
197 | // filling initial values for fit parameters | |
198 | AliPHOSDigit * digit ; | |
199 | ||
200 | Int_t ierflg = 0; | |
201 | Int_t index = 0 ; | |
202 | Int_t nDigits = (Int_t) nPar / 3 ; | |
203 | ||
204 | Int_t iDigit ; | |
205 | ||
7b7c1533 | 206 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 207 | |
208 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 209 | digit = maxAt[iDigit]; |
9a1398dd | 210 | |
211 | Int_t relid[4] ; | |
7b7c1533 | 212 | Float_t x = 0.; |
213 | Float_t z = 0.; | |
214 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
215 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 216 | |
217 | Float_t energy = maxAtEnergy[iDigit] ; | |
218 | ||
219 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
220 | index++ ; | |
221 | if(ierflg != 0){ | |
21cd0c07 | 222 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : x = %f\n", x ) ; |
9a1398dd | 223 | return kFALSE; |
224 | } | |
225 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
226 | index++ ; | |
227 | if(ierflg != 0){ | |
21cd0c07 | 228 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : z =%f\n", z ) ; |
9a1398dd | 229 | return kFALSE; |
230 | } | |
231 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
232 | index++ ; | |
233 | if(ierflg != 0){ | |
21cd0c07 | 234 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : energy = %f\n", energy ) ; |
9a1398dd | 235 | return kFALSE; |
236 | } | |
237 | } | |
238 | ||
239 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
240 | // depends on it. | |
241 | Double_t p1 = 1.0 ; | |
242 | Double_t p2 = 0.0 ; | |
243 | ||
244 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
245 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
246 | gMinuit->SetMaxIterations(5); | |
247 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
248 | ||
249 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
250 | ||
251 | if(ierflg == 4){ // Minimum not found | |
21cd0c07 | 252 | Warning("FindFit", "PHOS Unfolding fit not converged, cluster abandoned\n" ); |
9a1398dd | 253 | return kFALSE ; |
254 | } | |
255 | for(index = 0; index < nPar; index++){ | |
256 | Double_t err ; | |
257 | Double_t val ; | |
258 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
259 | fitparameters[index] = val ; | |
260 | } | |
261 | ||
262 | delete toMinuit ; | |
263 | return kTRUE; | |
c3c187e5 | 264 | |
d15a28e7 | 265 | } |
266 | ||
3758d9fc | 267 | //____________________________________________________________________________ |
268 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
269 | { | |
fbf811ec | 270 | |
88cb7938 | 271 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
c2cd5471 | 272 | |
88cb7938 | 273 | if ( !gime->Digitizer() ) |
274 | gime->LoadDigitizer(); | |
275 | AliPHOSDigitizer * dig = gime->Digitizer(); | |
88cb7938 | 276 | fADCchanelEmc = dig->GetEMCchannel() ; |
277 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
278 | ||
279 | fADCchanelCpv = dig->GetCPVchannel() ; | |
280 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
7f78a025 | 281 | |
88cb7938 | 282 | // fCalibrationDB = gime->CalibrationDB(); |
3758d9fc | 283 | } |
548f0134 | 284 | |
d15a28e7 | 285 | //____________________________________________________________________________ |
a4e98857 | 286 | void AliPHOSClusterizerv1::Init() |
287 | { | |
2bd5457f | 288 | // Make all memory allocations which can not be done in default constructor. |
289 | // Attach the Clusterizer task to the list of PHOS tasks | |
88cb7938 | 290 | |
291 | AliPHOSGetter* gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
fbf811ec | 292 | |
88cb7938 | 293 | AliPHOSGeometry * geom = gime->PHOSGeometry(); |
294 | ||
3758d9fc | 295 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; |
296 | ||
7b7c1533 | 297 | if(!gMinuit) |
88cb7938 | 298 | gMinuit = new TMinuit(100); |
fbf811ec | 299 | |
88cb7938 | 300 | if ( !gime->Clusterizer() ) |
301 | gime->PostClusterizer(this); | |
9a1398dd | 302 | } |
7b7c1533 | 303 | |
8d0f3f77 | 304 | //____________________________________________________________________________ |
305 | void AliPHOSClusterizerv1::InitParameters() | |
306 | { | |
307 | ||
308 | fNumberOfCpvClusters = 0 ; | |
309 | fNumberOfEmcClusters = 0 ; | |
310 | ||
311 | fCpvClusteringThreshold = 0.0; | |
312 | fEmcClusteringThreshold = 0.2; | |
313 | ||
314 | fEmcLocMaxCut = 0.03 ; | |
315 | fCpvLocMaxCut = 0.03 ; | |
316 | ||
317 | fW0 = 4.5 ; | |
318 | fW0CPV = 4.0 ; | |
319 | ||
320 | fEmcTimeGate = 1.e-8 ; | |
321 | ||
322 | fToUnfold = kTRUE ; | |
88cb7938 | 323 | |
8d0f3f77 | 324 | fRecPointsInRun = 0 ; |
c2cd5471 | 325 | |
eabde521 | 326 | SetEventRange(0,-1) ; |
8d0f3f77 | 327 | } |
328 | ||
9a1398dd | 329 | //____________________________________________________________________________ |
330 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 331 | { |
b2a60966 | 332 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
333 | // = 1 are neighbour | |
334 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 335 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 336 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
337 | // which is compared to a digit (d2) not yet in a cluster | |
338 | ||
88cb7938 | 339 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
7b7c1533 | 340 | |
d15a28e7 | 341 | Int_t rv = 0 ; |
342 | ||
d15a28e7 | 343 | Int_t relid1[4] ; |
7b7c1533 | 344 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 345 | |
346 | Int_t relid2[4] ; | |
7b7c1533 | 347 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 348 | |
9688c1dd | 349 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 350 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
351 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 352 | |
92862013 | 353 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 354 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 355 | rv = 1 ; |
356 | } | |
357 | else { | |
358 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
88cb7938 | 359 | rv = 2; // Difference in row numbers is too large to look further |
d15a28e7 | 360 | } |
361 | ||
362 | } | |
363 | else { | |
364 | ||
9688c1dd | 365 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 366 | rv=2 ; |
367 | ||
368 | } | |
d72dfbc3 | 369 | |
d15a28e7 | 370 | return rv ; |
371 | } | |
372 | ||
d15a28e7 | 373 | |
374 | //____________________________________________________________________________ | |
9a1398dd | 375 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 376 | { |
b2a60966 | 377 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
378 | ||
9f616d61 | 379 | Bool_t rv = kFALSE ; |
88cb7938 | 380 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; |
d15a28e7 | 381 | |
2b629790 | 382 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 383 | |
2b629790 | 384 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 385 | |
386 | return rv ; | |
387 | } | |
388 | ||
ed4205d8 | 389 | //____________________________________________________________________________ |
9a1398dd | 390 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 391 | { |
fad3e5b9 | 392 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 393 | |
394 | Bool_t rv = kFALSE ; | |
88cb7938 | 395 | |
396 | AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
ed4205d8 | 397 | |
2b629790 | 398 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 399 | |
2b629790 | 400 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 401 | |
402 | return rv ; | |
403 | } | |
9a1398dd | 404 | |
405 | //____________________________________________________________________________ | |
88cb7938 | 406 | void AliPHOSClusterizerv1::Unload() |
407 | { | |
408 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
409 | gime->PhosLoader()->UnloadDigits() ; | |
410 | gime->PhosLoader()->UnloadRecPoints() ; | |
411 | } | |
412 | ||
413 | //____________________________________________________________________________ | |
414 | void AliPHOSClusterizerv1::WriteRecPoints() | |
a4e98857 | 415 | { |
7b7c1533 | 416 | |
417 | // Creates new branches with given title | |
a4e98857 | 418 | // fills and writes into TreeR. |
88cb7938 | 419 | |
420 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
421 | ||
fbf811ec | 422 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
423 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
424 | TClonesArray * digits = gime->Digits() ; | |
fbf811ec | 425 | |
88cb7938 | 426 | TTree * treeR = gime->TreeR(); |
fbf811ec | 427 | |
9a1398dd | 428 | Int_t index ; |
01a599c9 | 429 | //Evaluate position, dispersion and other RecPoint properties... |
88cb7938 | 430 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
431 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->EvalAll(fW0,digits) ; | |
432 | ||
7b7c1533 | 433 | emcRecPoints->Sort() ; |
7b7c1533 | 434 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
88cb7938 | 435 | dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 436 | |
7b7c1533 | 437 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
fbf811ec | 438 | |
9a1398dd | 439 | //Now the same for CPV |
7b7c1533 | 440 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
395f4eea | 441 | dynamic_cast<AliPHOSCpvRecPoint *>( cpvRecPoints->At(index) )->EvalAll(fW0CPV,digits) ; |
fbf811ec | 442 | |
7b7c1533 | 443 | cpvRecPoints->Sort() ; |
fbf811ec | 444 | |
7b7c1533 | 445 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
2bb500e5 | 446 | dynamic_cast<AliPHOSCpvRecPoint *>( cpvRecPoints->At(index) )->SetIndexInList(index) ; |
fbf811ec | 447 | |
7b7c1533 | 448 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 449 | |
9a1398dd | 450 | Int_t bufferSize = 32000 ; |
451 | Int_t splitlevel = 0 ; | |
8d0f3f77 | 452 | |
01a599c9 | 453 | //First EMC |
8d0f3f77 | 454 | TBranch * emcBranch = treeR->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 455 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 456 | |
457 | //Now CPV branch | |
8d0f3f77 | 458 | TBranch * cpvBranch = treeR->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 459 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 460 | |
01a599c9 | 461 | emcBranch ->Fill() ; |
462 | cpvBranch ->Fill() ; | |
88cb7938 | 463 | |
464 | gime->WriteRecPoints("OVERWRITE"); | |
465 | gime->WriteClusterizer("OVERWRITE"); | |
9a1398dd | 466 | } |
467 | ||
468 | //____________________________________________________________________________ | |
469 | void AliPHOSClusterizerv1::MakeClusters() | |
470 | { | |
471 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
472 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 473 | |
88cb7938 | 474 | |
475 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); | |
476 | ||
477 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
478 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 479 | |
7d493c2c | 480 | emcRecPoints->Delete() ; |
481 | cpvRecPoints->Delete() ; | |
7b7c1533 | 482 | |
fbf811ec | 483 | TClonesArray * digits = gime->Digits() ; |
88cb7938 | 484 | |
485 | TClonesArray * digitsC = static_cast<TClonesArray*>( digits->Clone() ) ; | |
7b7c1533 | 486 | |
487 | ||
d15a28e7 | 488 | // Clusterization starts |
9a1398dd | 489 | |
7b7c1533 | 490 | TIter nextdigit(digitsC) ; |
d15a28e7 | 491 | AliPHOSDigit * digit ; |
92862013 | 492 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 493 | |
88cb7938 | 494 | while ( (digit = dynamic_cast<AliPHOSDigit *>( nextdigit()) ) ) { // scan over the list of digitsC |
495 | ||
496 | ||
9a1398dd | 497 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 498 | |
d1de15f5 | 499 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 500 | Int_t index ; |
f2bc1b87 | 501 | |
3758d9fc | 502 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
503 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
d15a28e7 | 504 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 505 | |
6ad0bfa0 | 506 | if ( IsInEmc(digit) ) { |
88cb7938 | 507 | // start a new EMC RecPoint |
508 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) | |
509 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
510 | ||
511 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; | |
512 | clu = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; | |
513 | fNumberOfEmcClusters++ ; | |
514 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; | |
515 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
516 | iDigitInCluster++ ; | |
517 | digitsC->Remove(digit) ; | |
ca77b032 | 518 | |
d72dfbc3 | 519 | } else { |
88cb7938 | 520 | |
521 | // start a new CPV cluster | |
522 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) | |
523 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
524 | ||
525 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; | |
526 | ||
527 | clu = dynamic_cast<AliPHOSCpvRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; | |
528 | fNumberOfCpvClusters++ ; | |
529 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; | |
530 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; | |
531 | iDigitInCluster++ ; | |
532 | digitsC->Remove(digit) ; | |
d15a28e7 | 533 | nextdigit.Reset() ; |
88cb7938 | 534 | |
535 | // Here we remove remaining EMC digits, which cannot make a cluster | |
536 | ||
92862013 | 537 | if( notremoved ) { |
88cb7938 | 538 | while( ( digit = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { |
9f616d61 | 539 | if( IsInEmc(digit) ) |
88cb7938 | 540 | digitsC->Remove(digit) ; |
d15a28e7 | 541 | else |
88cb7938 | 542 | break ; |
543 | } | |
544 | notremoved = kFALSE ; | |
545 | } | |
546 | ||
d15a28e7 | 547 | } // else |
548 | ||
549 | nextdigit.Reset() ; | |
fad3e5b9 | 550 | |
d15a28e7 | 551 | AliPHOSDigit * digitN ; |
552 | index = 0 ; | |
9f616d61 | 553 | while (index < iDigitInCluster){ // scan over digits already in cluster |
88cb7938 | 554 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(clusterdigitslist[index]) ) ; |
555 | index++ ; | |
556 | while ( (digitN = dynamic_cast<AliPHOSDigit *>( nextdigit() ) ) ) { // scan over the reduced list of digits | |
557 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! | |
d15a28e7 | 558 | switch (ineb ) { |
9f616d61 | 559 | case 0 : // not a neighbour |
88cb7938 | 560 | break ; |
561 | case 1 : // are neighbours | |
562 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; | |
563 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; | |
564 | iDigitInCluster++ ; | |
565 | digitsC->Remove(digitN) ; | |
566 | break ; | |
9f616d61 | 567 | case 2 : // too far from each other |
88cb7938 | 568 | goto endofloop; |
569 | } // switch | |
570 | ||
571 | } // while digitN | |
572 | ||
d15a28e7 | 573 | endofloop: ; |
88cb7938 | 574 | nextdigit.Reset() ; |
575 | ||
d15a28e7 | 576 | } // loop over cluster |
ad8cfaf4 | 577 | |
ad8cfaf4 | 578 | } // energy theshold |
ad8cfaf4 | 579 | |
31aa6d6c | 580 | |
d15a28e7 | 581 | } // while digit |
582 | ||
7b7c1533 | 583 | delete digitsC ; |
9688c1dd | 584 | |
9a1398dd | 585 | } |
586 | ||
587 | //____________________________________________________________________________ | |
a4e98857 | 588 | void AliPHOSClusterizerv1::MakeUnfolding() |
589 | { | |
590 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 591 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 592 | |
88cb7938 | 593 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 594 | |
7b7c1533 | 595 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 596 | |
597 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
598 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
fbf811ec | 599 | TClonesArray * digits = gime->Digits() ; |
7b7c1533 | 600 | |
a4e98857 | 601 | // Unfold first EMC clusters |
9a1398dd | 602 | if(fNumberOfEmcClusters > 0){ |
603 | ||
7b7c1533 | 604 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 605 | |
606 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
607 | Int_t index ; | |
608 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
609 | ||
88cb7938 | 610 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(index) ) ; |
9a1398dd | 611 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
88cb7938 | 612 | break ; |
9a1398dd | 613 | |
614 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 615 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 616 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 617 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 618 | |
619 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 620 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
621 | emcRecPoints->Remove(emcRecPoint); | |
622 | emcRecPoints->Compress() ; | |
623 | index-- ; | |
624 | fNumberOfEmcClusters -- ; | |
625 | numberofNotUnfolded-- ; | |
9a1398dd | 626 | } |
627 | ||
628 | delete[] maxAt ; | |
629 | delete[] maxAtEnergy ; | |
630 | } | |
631 | } | |
a4e98857 | 632 | // Unfolding of EMC clusters finished |
9a1398dd | 633 | |
634 | ||
a4e98857 | 635 | // Unfold now CPV clusters |
9a1398dd | 636 | if(fNumberOfCpvClusters > 0){ |
637 | ||
9688c1dd | 638 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 639 | |
640 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
641 | Int_t index ; | |
642 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
643 | ||
88cb7938 | 644 | AliPHOSRecPoint * recPoint = dynamic_cast<AliPHOSRecPoint *>( cpvRecPoints->At(index) ) ; |
9a1398dd | 645 | |
646 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
88cb7938 | 647 | break ; |
9a1398dd | 648 | |
88cb7938 | 649 | AliPHOSEmcRecPoint * emcRecPoint = dynamic_cast<AliPHOSEmcRecPoint*>(recPoint) ; |
9a1398dd | 650 | |
651 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 652 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 653 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 654 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 655 | |
656 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
88cb7938 | 657 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; |
658 | cpvRecPoints->Remove(emcRecPoint); | |
659 | cpvRecPoints->Compress() ; | |
660 | index-- ; | |
661 | numberofCpvNotUnfolded-- ; | |
662 | fNumberOfCpvClusters-- ; | |
9a1398dd | 663 | } |
664 | ||
665 | delete[] maxAt ; | |
666 | delete[] maxAtEnergy ; | |
667 | } | |
668 | } | |
669 | //Unfolding of Cpv clusters finished | |
670 | ||
671 | } | |
672 | ||
9a1398dd | 673 | //____________________________________________________________________________ |
674 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
675 | { | |
676 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 677 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 678 | |
679 | Double_t r4 = r*r*r*r ; | |
680 | Double_t r295 = TMath::Power(r, 2.95) ; | |
681 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
682 | return shape ; | |
683 | } | |
684 | ||
685 | //____________________________________________________________________________ | |
686 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
88cb7938 | 687 | Int_t nMax, |
688 | AliPHOSDigit ** maxAt, | |
689 | Float_t * maxAtEnergy) | |
9a1398dd | 690 | { |
691 | // Performs the unfolding of a cluster with nMax overlapping showers | |
692 | ||
88cb7938 | 693 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
fc12304f | 694 | |
7b7c1533 | 695 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
88cb7938 | 696 | |
fbf811ec | 697 | const TClonesArray * digits = gime->Digits() ; |
698 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
699 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 700 | |
9a1398dd | 701 | Int_t nPar = 3 * nMax ; |
702 | Float_t * fitparameters = new Float_t[nPar] ; | |
703 | ||
704 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
705 | if( !rv ) { | |
88cb7938 | 706 | // Fit failed, return and remove cluster |
9a1398dd | 707 | delete[] fitparameters ; |
708 | return ; | |
709 | } | |
710 | ||
711 | // create ufolded rec points and fill them with new energy lists | |
712 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
713 | // and later correct this number in acordance with actual energy deposition | |
714 | ||
715 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
716 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 717 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
718 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 719 | Int_t relid[4] ; |
7b7c1533 | 720 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 721 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
722 | ||
723 | Int_t iparam ; | |
724 | Int_t iDigit ; | |
725 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 726 | digit = dynamic_cast<AliPHOSDigit*>( digits->At(emcDigits[iDigit] ) ) ; |
7b7c1533 | 727 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
728 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 729 | efit[iDigit] = 0; |
730 | ||
731 | iparam = 0 ; | |
732 | while(iparam < nPar ){ | |
733 | xpar = fitparameters[iparam] ; | |
734 | zpar = fitparameters[iparam+1] ; | |
735 | epar = fitparameters[iparam+2] ; | |
736 | iparam += 3 ; | |
737 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
738 | distance = TMath::Sqrt(distance) ; | |
739 | efit[iDigit] += epar * ShowerShape(distance) ; | |
740 | } | |
741 | } | |
742 | ||
743 | ||
744 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
745 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
746 | // to its contribution to efit | |
747 | ||
748 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
749 | Float_t ratio ; | |
750 | ||
751 | iparam = 0 ; | |
752 | while(iparam < nPar ){ | |
753 | xpar = fitparameters[iparam] ; | |
754 | zpar = fitparameters[iparam+1] ; | |
755 | epar = fitparameters[iparam+2] ; | |
756 | iparam += 3 ; | |
757 | ||
7b7c1533 | 758 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 759 | |
760 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
761 | ||
7b7c1533 | 762 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
88cb7938 | 763 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; |
9a1398dd | 764 | |
73a68ccb | 765 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
88cb7938 | 766 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( emcRecPoints->At(fNumberOfEmcClusters) ) ; |
9a1398dd | 767 | fNumberOfEmcClusters++ ; |
768 | } | |
769 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 770 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
88cb7938 | 771 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; |
9a1398dd | 772 | |
73a68ccb | 773 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
88cb7938 | 774 | emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( cpvRecPoints->At(fNumberOfCpvClusters) ) ; |
9a1398dd | 775 | fNumberOfCpvClusters++ ; |
776 | } | |
777 | ||
778 | Float_t eDigit ; | |
779 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
88cb7938 | 780 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ) ; |
7b7c1533 | 781 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
782 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 783 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
784 | distance = TMath::Sqrt(distance) ; | |
785 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
786 | eDigit = emcEnergies[iDigit] * ratio ; | |
787 | emcRP->AddDigit( *digit, eDigit ) ; | |
88cb7938 | 788 | } |
9a1398dd | 789 | } |
790 | ||
791 | delete[] fitparameters ; | |
792 | delete[] efit ; | |
793 | ||
794 | } | |
795 | ||
796 | //_____________________________________________________________________________ | |
797 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
798 | { | |
a4e98857 | 799 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 800 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
801 | ||
88cb7938 | 802 | TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ; |
9a1398dd | 803 | |
88cb7938 | 804 | AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint*>( toMinuit->At(0) ) ; |
805 | TClonesArray * digits = dynamic_cast<TClonesArray*>( toMinuit->At(1) ) ; | |
9a1398dd | 806 | |
807 | ||
808 | ||
88cb7938 | 809 | // AliPHOSEmcRecPoint * emcRP = dynamic_cast<AliPHOSEmcRecPoint *>( gMinuit->GetObjectFit() ) ; // EmcRecPoint to fit |
9a1398dd | 810 | |
811 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
812 | ||
7b7c1533 | 813 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 814 | |
815 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
88cb7938 | 816 | |
817 | const AliPHOSGeometry * geom = AliPHOSGetter::Instance()->PHOSGeometry() ; | |
9a1398dd | 818 | fret = 0. ; |
819 | Int_t iparam ; | |
820 | ||
821 | if(iflag == 2) | |
822 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
823 | Grad[iparam] = 0 ; // Will evaluate gradient | |
824 | ||
825 | Double_t efit ; | |
826 | ||
827 | AliPHOSDigit * digit ; | |
828 | Int_t iDigit ; | |
829 | ||
7b7c1533 | 830 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 831 | |
88cb7938 | 832 | digit = dynamic_cast<AliPHOSDigit*>( digits->At( emcDigits[iDigit] ) ); |
9a1398dd | 833 | |
834 | Int_t relid[4] ; | |
835 | Float_t xDigit ; | |
836 | Float_t zDigit ; | |
837 | ||
838 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
839 | ||
840 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
841 | ||
842 | if(iflag == 2){ // calculate gradient | |
843 | Int_t iParam = 0 ; | |
844 | efit = 0 ; | |
845 | while(iParam < nPar ){ | |
88cb7938 | 846 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; |
847 | iParam++ ; | |
848 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
849 | distance = TMath::Sqrt( distance ) ; | |
850 | iParam++ ; | |
851 | efit += x[iParam] * ShowerShape(distance) ; | |
852 | iParam++ ; | |
9a1398dd | 853 | } |
88cb7938 | 854 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) |
9a1398dd | 855 | iParam = 0 ; |
856 | while(iParam < nPar ){ | |
88cb7938 | 857 | Double_t xpar = x[iParam] ; |
858 | Double_t zpar = x[iParam+1] ; | |
859 | Double_t epar = x[iParam+2] ; | |
860 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
861 | Double_t shape = sum * ShowerShape(dr) ; | |
862 | Double_t r4 = dr*dr*dr*dr ; | |
863 | Double_t r295 = TMath::Power(dr,2.95) ; | |
864 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
865 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
866 | ||
867 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
868 | iParam++ ; | |
869 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
870 | iParam++ ; | |
871 | Grad[iParam] += shape ; // Derivative over energy | |
872 | iParam++ ; | |
9a1398dd | 873 | } |
874 | } | |
875 | efit = 0; | |
876 | iparam = 0 ; | |
877 | ||
878 | while(iparam < nPar ){ | |
879 | Double_t xpar = x[iparam] ; | |
880 | Double_t zpar = x[iparam+1] ; | |
881 | Double_t epar = x[iparam+2] ; | |
882 | iparam += 3 ; | |
883 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
884 | distance = TMath::Sqrt(distance) ; | |
885 | efit += epar * ShowerShape(distance) ; | |
886 | } | |
887 | ||
88cb7938 | 888 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; |
9a1398dd | 889 | // Here we assume, that sigma = sqrt(E) |
890 | } | |
83974468 | 891 | |
d15a28e7 | 892 | } |
893 | ||
894 | //____________________________________________________________________________ | |
88cb7938 | 895 | void AliPHOSClusterizerv1::Print()const |
d15a28e7 | 896 | { |
d1de15f5 | 897 | // Print clusterizer parameters |
898 | ||
21cd0c07 | 899 | TString message ; |
900 | TString taskName(GetName()) ; | |
901 | taskName.ReplaceAll(Version(), "") ; | |
902 | ||
903 | if( strcmp(GetName(), "") !=0 ) { | |
9a1398dd | 904 | // Print parameters |
21cd0c07 | 905 | message = "\n--------------- %s %s -----------\n" ; |
906 | message += "Clusterizing digits from the file: %s\n" ; | |
907 | message += " Branch: %s\n" ; | |
908 | message += " EMC Clustering threshold = %f\n" ; | |
909 | message += " EMC Local Maximum cut = %f\n" ; | |
910 | message += " EMC Logarothmic weight = %f\n" ; | |
911 | message += " CPV Clustering threshold = %f\n" ; | |
912 | message += " CPV Local Maximum cut = %f\n" ; | |
913 | message += " CPV Logarothmic weight = %f\n" ; | |
9a1398dd | 914 | if(fToUnfold) |
21cd0c07 | 915 | message += " Unfolding on\n" ; |
9a1398dd | 916 | else |
21cd0c07 | 917 | message += " Unfolding off\n" ; |
9a1398dd | 918 | |
21cd0c07 | 919 | message += "------------------------------------------------------------------" ; |
9a1398dd | 920 | } |
21cd0c07 | 921 | else |
922 | message = " AliPHOSClusterizerv1 not initialized " ; | |
923 | ||
924 | Info("Print", message.Data(), | |
925 | taskName.Data(), | |
926 | GetTitle(), | |
927 | taskName.Data(), | |
928 | GetName(), | |
929 | fEmcClusteringThreshold, | |
930 | fEmcLocMaxCut, | |
931 | fW0, | |
932 | fCpvClusteringThreshold, | |
933 | fCpvLocMaxCut, | |
934 | fW0CPV ) ; | |
9a1398dd | 935 | } |
21cd0c07 | 936 | |
937 | ||
9a1398dd | 938 | //____________________________________________________________________________ |
a4e98857 | 939 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
940 | { | |
941 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 942 | |
88cb7938 | 943 | AliPHOSGetter * gime = AliPHOSGetter::Instance(); |
944 | ||
945 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
946 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 947 | |
709e117a | 948 | printf("\nevent %d \n", gAlice->GetEvNumber()) ; |
949 | printf(" Found %d EMC RecPoints and %d CPV RecPoints \n", | |
950 | emcRecPoints->GetEntriesFast(),cpvRecPoints->GetEntriesFast()) ; | |
88cb7938 | 951 | |
952 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; | |
953 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
954 | ||
11f9c5ff | 955 | |
9a1398dd | 956 | if(strstr(option,"all")) { |
709e117a | 957 | printf("\n EMC clusters \n") ; |
958 | printf("Index Ene(MeV) Multi Module X Y Z Lambdas_1 Lambda_2 # of prim Primaries list\n") ; | |
9a1398dd | 959 | Int_t index ; |
7b7c1533 | 960 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
961 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 962 | TVector3 locpos; |
963 | rp->GetLocalPosition(locpos); | |
9a1398dd | 964 | Float_t lambda[2]; |
965 | rp->GetElipsAxis(lambda); | |
9a1398dd | 966 | Int_t * primaries; |
967 | Int_t nprimaries; | |
968 | primaries = rp->GetPrimaries(nprimaries); | |
709e117a | 969 | printf("\n%6d %8.2f %3d %2d %4.1f %4.1f %4.1f %4f %4f %2d : ", |
11f9c5ff | 970 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetPHOSMod(), |
971 | locpos.X(), locpos.Y(), locpos.Z(), lambda[0], lambda[1], nprimaries) ; | |
3bf72d32 | 972 | |
21cd0c07 | 973 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) { |
709e117a | 974 | printf("%d ", primaries[iprimary] ) ; |
21cd0c07 | 975 | } |
709e117a | 976 | printf("\n") ; |
977 | } | |
978 | ||
979 | //Now plot CPV recPoints | |
980 | printf("\n CPV clusters \n") ; | |
981 | printf("Index Ene(MeV) Module X Y Z \n") ; | |
982 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { | |
2bb500e5 | 983 | AliPHOSCpvRecPoint * rp = (AliPHOSCpvRecPoint * )cpvRecPoints->At(index) ; |
984 | ||
985 | TVector3 locpos; | |
986 | rp->GetLocalPosition(locpos); | |
987 | ||
988 | printf("\n%6d %8.2f %2d %4.1f %4.1f %4.1f \n", | |
989 | rp->GetIndexInList(), rp->GetEnergy(), rp->GetPHOSMod(), | |
990 | locpos.X(), locpos.Y(), locpos.Z()) ; | |
88cb7938 | 991 | } |
9a1398dd | 992 | } |
d15a28e7 | 993 | } |
9a1398dd | 994 |