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d15a28e7 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d72dfbc3 | 18 | /* $Log: |
19 | 1 October 2000. Yuri Kharlov: | |
20 | AreNeighbours() | |
21 | PPSD upper layer is considered if number of layers>1 | |
22 | ||
23 | 18 October 2000. Yuri Kharlov: | |
24 | AliPHOSClusterizerv1() | |
25 | CPV clusterizing parameters added | |
26 | ||
27 | MakeClusters() | |
28 | After first PPSD digit remove EMC digits only once | |
29 | */ | |
9a1398dd | 30 | //*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute) |
d15a28e7 | 31 | ////////////////////////////////////////////////////////////////////////////// |
9a1398dd | 32 | // Clusterization class. Performs clusterization (collects neighbouring active cells) and |
a4e98857 | 33 | // unfolds the clusters having several local maxima. |
34 | // Results are stored in TreeR#, branches PHOSEmcRP (EMC recPoints), | |
9a1398dd | 35 | // PHOSCpvRP (CPV RecPoints) and AliPHOSClusterizer (Clusterizer with all |
f035f6ce | 36 | // parameters including input digits branch title, thresholds etc.) |
a4e98857 | 37 | // This TTask is normally called from Reconstructioner, but can as well be used in |
38 | // standalone mode. | |
39 | // Use Case: | |
fc12304f | 40 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root", "recpointsname", "digitsname") |
a4e98857 | 41 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated |
fc12304f | 42 | // // reads gAlice from header file "galice.root", uses digits stored in the branch names "digitsname" (default = "Default") |
43 | // // and saves recpoints in branch named "recpointsname" (default = "digitsname") | |
a4e98857 | 44 | // root [1] cl->ExecuteTask() |
9a1398dd | 45 | // //finds RecPoints in all events stored in galice.root |
a4e98857 | 46 | // root [2] cl->SetDigitsBranch("digits2") |
f035f6ce | 47 | // //sets another title for Digitis (input) branch |
a4e98857 | 48 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 49 | // //sets another title four output branches |
a4e98857 | 50 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
9a1398dd | 51 | // //set clusterization parameters |
a4e98857 | 52 | // root [5] cl->ExecuteTask("deb all time") |
9a1398dd | 53 | // //once more finds RecPoints options are |
54 | // // deb - print number of found rec points | |
55 | // // deb all - print number of found RecPoints and some their characteristics | |
56 | // // time - print benchmarking results | |
ed4205d8 | 57 | |
d15a28e7 | 58 | // --- ROOT system --- |
59 | ||
9a1398dd | 60 | #include "TROOT.h" |
61 | #include "TFile.h" | |
62 | #include "TFolder.h" | |
d15a28e7 | 63 | #include "TMath.h" |
9a1398dd | 64 | #include "TMinuit.h" |
65 | #include "TTree.h" | |
66 | #include "TSystem.h" | |
67 | #include "TBenchmark.h" | |
d15a28e7 | 68 | |
69 | // --- Standard library --- | |
70 | ||
d15a28e7 | 71 | // --- AliRoot header files --- |
c2cd5471 | 72 | #include "AliPHOSCalibrationDB.h" |
d15a28e7 | 73 | #include "AliPHOSClusterizerv1.h" |
9a1398dd | 74 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 75 | #include "AliPHOSDigit.h" |
9a1398dd | 76 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 77 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 78 | #include "AliPHOS.h" |
7b7c1533 | 79 | #include "AliPHOSGetter.h" |
9a1398dd | 80 | #include "AliRun.h" |
d15a28e7 | 81 | |
82 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 83 | |
d15a28e7 | 84 | //____________________________________________________________________________ |
7b7c1533 | 85 | AliPHOSClusterizerv1::AliPHOSClusterizerv1() : AliPHOSClusterizer() |
d15a28e7 | 86 | { |
f035f6ce | 87 | // default ctor (to be used mainly by Streamer) |
f035f6ce | 88 | |
8d0f3f77 | 89 | InitParameters() ; |
92f521a9 | 90 | fDefaultInit = kTRUE ; |
9a1398dd | 91 | } |
7b7c1533 | 92 | |
9a1398dd | 93 | //____________________________________________________________________________ |
fbf811ec | 94 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* name, const Bool_t toSplit) |
95 | :AliPHOSClusterizer(headerFile, name, toSplit) | |
9a1398dd | 96 | { |
a4e98857 | 97 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 98 | |
8d0f3f77 | 99 | InitParameters() ; |
2bd5457f | 100 | Init() ; |
92f521a9 | 101 | fDefaultInit = kFALSE ; |
9a1398dd | 102 | |
103 | } | |
fc12304f | 104 | |
9688c1dd | 105 | //____________________________________________________________________________ |
106 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
107 | { | |
8d0f3f77 | 108 | // dtor |
548f0134 | 109 | fSplitFile = 0 ; |
8d0f3f77 | 110 | |
9688c1dd | 111 | } |
fc12304f | 112 | |
113 | //____________________________________________________________________________ | |
114 | const TString AliPHOSClusterizerv1::BranchName() const | |
115 | { | |
116 | TString branchName(GetName() ) ; | |
117 | branchName.Remove(branchName.Index(Version())-1) ; | |
118 | return branchName ; | |
119 | } | |
120 | ||
9a1398dd | 121 | //____________________________________________________________________________ |
3758d9fc | 122 | Float_t AliPHOSClusterizerv1::Calibrate(Int_t amp, Int_t absId) const |
fbf811ec | 123 | { //To be replased later by the method, reading individual parameters from the database |
c2cd5471 | 124 | if(fCalibrationDB) |
125 | return fCalibrationDB->Calibrate(amp,absId) ; | |
126 | else{ //simulation | |
127 | if(absId <= fEmcCrystals) //calibrate as EMC | |
128 | return fADCpedestalEmc + amp*fADCchanelEmc ; | |
129 | else //calibrate as CPV | |
130 | return fADCpedestalCpv+ amp*fADCchanelCpv ; | |
131 | } | |
3758d9fc | 132 | } |
548f0134 | 133 | |
3758d9fc | 134 | //____________________________________________________________________________ |
a4e98857 | 135 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
136 | { | |
7b7c1533 | 137 | // Steering method |
9a1398dd | 138 | |
7b7c1533 | 139 | if( strcmp(GetName(), "")== 0 ) |
140 | Init() ; | |
9a1398dd | 141 | |
142 | if(strstr(option,"tim")) | |
7d493c2c | 143 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 144 | |
7b7c1533 | 145 | if(strstr(option,"print")) |
146 | Print("") ; | |
147 | ||
127e12ac | 148 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fbf811ec | 149 | if(gime->BranchExists("RecPoints")) |
150 | return ; | |
151 | Int_t nevents = gime->MaxEvent() ; | |
7b7c1533 | 152 | Int_t ievent ; |
fbf811ec | 153 | |
7b7c1533 | 154 | for(ievent = 0; ievent < nevents; ievent++){ |
fbf811ec | 155 | |
156 | gime->Event(ievent,"D") ; | |
157 | ||
158 | if(ievent == 0) | |
159 | GetCalibrationParameters() ; | |
160 | ||
548f0134 | 161 | fNumberOfEmcClusters = fNumberOfCpvClusters = 0 ; |
162 | ||
9a1398dd | 163 | MakeClusters() ; |
164 | ||
fc12304f | 165 | if(fToUnfold) |
166 | MakeUnfolding() ; | |
7b7c1533 | 167 | |
168 | WriteRecPoints(ievent) ; | |
169 | ||
94de8339 | 170 | if(strstr(option,"deb")) |
171 | PrintRecPoints(option) ; | |
172 | ||
173 | //increment the total number of digits per run | |
fbf811ec | 174 | fRecPointsInRun += gime->EmcRecPoints()->GetEntriesFast() ; |
175 | fRecPointsInRun += gime->CpvRecPoints()->GetEntriesFast() ; | |
94de8339 | 176 | } |
9a1398dd | 177 | |
178 | if(strstr(option,"tim")){ | |
179 | gBenchmark->Stop("PHOSClusterizer"); | |
21cd0c07 | 180 | Info("Exec", " took %f seconds for Clusterizing %f seconds per event \n", |
181 | gBenchmark->GetCpuTime("PHOSClusterizer"), | |
182 | gBenchmark->GetCpuTime("PHOSClusterizer")/nevents ) ; | |
9a1398dd | 183 | } |
9a1398dd | 184 | } |
185 | ||
186 | //____________________________________________________________________________ | |
a0636361 | 187 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
d1de15f5 | 188 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 189 | { |
190 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 191 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 192 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 193 | |
7b7c1533 | 194 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fbf811ec | 195 | TClonesArray * digits = gime->Digits() ; |
7b7c1533 | 196 | |
197 | ||
9a1398dd | 198 | gMinuit->mncler(); // Reset Minuit's list of paramters |
199 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
200 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
201 | // To set the address of the minimization function | |
202 | ||
203 | TList * toMinuit = new TList(); | |
204 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 205 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 206 | |
207 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
208 | ||
209 | // filling initial values for fit parameters | |
210 | AliPHOSDigit * digit ; | |
211 | ||
212 | Int_t ierflg = 0; | |
213 | Int_t index = 0 ; | |
214 | Int_t nDigits = (Int_t) nPar / 3 ; | |
215 | ||
216 | Int_t iDigit ; | |
217 | ||
7b7c1533 | 218 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 219 | |
220 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
a0636361 | 221 | digit = maxAt[iDigit]; |
9a1398dd | 222 | |
223 | Int_t relid[4] ; | |
7b7c1533 | 224 | Float_t x = 0.; |
225 | Float_t z = 0.; | |
226 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
227 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 228 | |
229 | Float_t energy = maxAtEnergy[iDigit] ; | |
230 | ||
231 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
232 | index++ ; | |
233 | if(ierflg != 0){ | |
21cd0c07 | 234 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : x = %f\n", x ) ; |
9a1398dd | 235 | return kFALSE; |
236 | } | |
237 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
238 | index++ ; | |
239 | if(ierflg != 0){ | |
21cd0c07 | 240 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : z =%f\n", z ) ; |
9a1398dd | 241 | return kFALSE; |
242 | } | |
243 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
244 | index++ ; | |
245 | if(ierflg != 0){ | |
21cd0c07 | 246 | Warning("FindFit", "PHOS Unfolding unable to set initial value for fit procedure : energy = %f\n", energy ) ; |
9a1398dd | 247 | return kFALSE; |
248 | } | |
249 | } | |
250 | ||
251 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
252 | // depends on it. | |
253 | Double_t p1 = 1.0 ; | |
254 | Double_t p2 = 0.0 ; | |
255 | ||
256 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
257 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
258 | gMinuit->SetMaxIterations(5); | |
259 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
260 | ||
261 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
262 | ||
263 | if(ierflg == 4){ // Minimum not found | |
21cd0c07 | 264 | Warning("FindFit", "PHOS Unfolding fit not converged, cluster abandoned\n" ); |
9a1398dd | 265 | return kFALSE ; |
266 | } | |
267 | for(index = 0; index < nPar; index++){ | |
268 | Double_t err ; | |
269 | Double_t val ; | |
270 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
271 | fitparameters[index] = val ; | |
272 | } | |
273 | ||
274 | delete toMinuit ; | |
275 | return kTRUE; | |
c3c187e5 | 276 | |
d15a28e7 | 277 | } |
278 | ||
3758d9fc | 279 | //____________________________________________________________________________ |
280 | void AliPHOSClusterizerv1::GetCalibrationParameters() | |
281 | { | |
282 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; | |
fbf811ec | 283 | |
c2cd5471 | 284 | const TTask * task = gime->Digitizer(BranchName()) ; |
285 | if(strcmp(task->IsA()->GetName(),"AliPHOSDigitizer")==0){ | |
286 | const AliPHOSDigitizer * dig = static_cast<const AliPHOSDigitizer *>(task) ; | |
287 | ||
288 | fADCchanelEmc = dig->GetEMCchannel() ; | |
289 | fADCpedestalEmc = dig->GetEMCpedestal(); | |
290 | ||
291 | fADCchanelCpv = dig->GetCPVchannel() ; | |
292 | fADCpedestalCpv = dig->GetCPVpedestal() ; | |
293 | } | |
294 | else{ | |
295 | fCalibrationDB = gime->CalibrationDB(); | |
296 | } | |
3758d9fc | 297 | } |
548f0134 | 298 | |
d15a28e7 | 299 | //____________________________________________________________________________ |
a4e98857 | 300 | void AliPHOSClusterizerv1::Init() |
301 | { | |
2bd5457f | 302 | // Make all memory allocations which can not be done in default constructor. |
303 | // Attach the Clusterizer task to the list of PHOS tasks | |
7b7c1533 | 304 | |
305 | if ( strcmp(GetTitle(), "") == 0 ) | |
306 | SetTitle("galice.root") ; | |
2bd5457f | 307 | |
9688c1dd | 308 | TString branchname = GetName() ; |
309 | branchname.Remove(branchname.Index(Version())-1) ; | |
9a1398dd | 310 | |
fbf811ec | 311 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(),branchname.Data(), fToSplit ) ; |
7b7c1533 | 312 | if ( gime == 0 ) { |
21cd0c07 | 313 | Error("Init", "Could not obtain the Getter object !") ; |
7b7c1533 | 314 | return ; |
315 | } | |
fbf811ec | 316 | |
317 | fSplitFile = 0 ; | |
318 | if(fToSplit){ | |
319 | // construct the name of the file as /path/EMCAL.SDigits.root | |
320 | //First - extract full path if necessary | |
321 | TString fileName(GetTitle()) ; | |
322 | Ssiz_t islash = fileName.Last('/') ; | |
323 | if(islash<fileName.Length()) | |
324 | fileName.Remove(islash+1,fileName.Length()) ; | |
325 | else | |
326 | fileName="" ; | |
327 | // Next - append the file name | |
328 | fileName+="PHOS.RecData." ; | |
329 | if((strcmp(branchname.Data(),"Default")!=0)&&(strcmp(branchname.Data(),"")!=0)){ | |
330 | fileName+=branchname ; | |
331 | fileName+="." ; | |
332 | } | |
333 | fileName+="root" ; | |
334 | // Finally - check if the file already opened or open the file | |
335 | fSplitFile = static_cast<TFile*>(gROOT->GetFile(fileName.Data())); | |
336 | if(!fSplitFile) | |
337 | fSplitFile = TFile::Open(fileName.Data(),"update") ; | |
338 | } | |
339 | ||
340 | ||
7b7c1533 | 341 | |
3758d9fc | 342 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
343 | fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; | |
344 | ||
7b7c1533 | 345 | if(!gMinuit) |
346 | gMinuit = new TMinuit(100) ; | |
fbf811ec | 347 | |
127e12ac | 348 | gime->PostClusterizer(this) ; |
fc12304f | 349 | gime->PostRecPoints(branchname) ; |
7b7c1533 | 350 | |
9a1398dd | 351 | } |
7b7c1533 | 352 | |
8d0f3f77 | 353 | //____________________________________________________________________________ |
354 | void AliPHOSClusterizerv1::InitParameters() | |
355 | { | |
356 | ||
357 | fNumberOfCpvClusters = 0 ; | |
358 | fNumberOfEmcClusters = 0 ; | |
359 | ||
360 | fCpvClusteringThreshold = 0.0; | |
361 | fEmcClusteringThreshold = 0.2; | |
362 | ||
363 | fEmcLocMaxCut = 0.03 ; | |
364 | fCpvLocMaxCut = 0.03 ; | |
365 | ||
366 | fW0 = 4.5 ; | |
367 | fW0CPV = 4.0 ; | |
368 | ||
369 | fEmcTimeGate = 1.e-8 ; | |
370 | ||
371 | fToUnfold = kTRUE ; | |
548f0134 | 372 | |
8d0f3f77 | 373 | TString clusterizerName( GetName()) ; |
374 | if (clusterizerName.IsNull() ) | |
375 | clusterizerName = "Default" ; | |
376 | clusterizerName.Append(":") ; | |
377 | clusterizerName.Append(Version()) ; | |
378 | SetName(clusterizerName) ; | |
379 | fRecPointsInRun = 0 ; | |
c2cd5471 | 380 | fCalibrationDB = 0 ; |
381 | ||
8d0f3f77 | 382 | |
383 | } | |
384 | ||
9a1398dd | 385 | //____________________________________________________________________________ |
386 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 387 | { |
b2a60966 | 388 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
389 | // = 1 are neighbour | |
390 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 391 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 392 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
393 | // which is compared to a digit (d2) not yet in a cluster | |
394 | ||
7b7c1533 | 395 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
396 | ||
d15a28e7 | 397 | Int_t rv = 0 ; |
398 | ||
d15a28e7 | 399 | Int_t relid1[4] ; |
7b7c1533 | 400 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 401 | |
402 | Int_t relid2[4] ; | |
7b7c1533 | 403 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 404 | |
9688c1dd | 405 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 406 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
407 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 408 | |
92862013 | 409 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 410 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 411 | rv = 1 ; |
412 | } | |
413 | else { | |
414 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
415 | rv = 2; // Difference in row numbers is too large to look further | |
416 | } | |
417 | ||
418 | } | |
419 | else { | |
420 | ||
9688c1dd | 421 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 422 | rv=2 ; |
423 | ||
424 | } | |
d72dfbc3 | 425 | |
d15a28e7 | 426 | return rv ; |
427 | } | |
428 | ||
d15a28e7 | 429 | |
430 | //____________________________________________________________________________ | |
9a1398dd | 431 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 432 | { |
b2a60966 | 433 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
434 | ||
9f616d61 | 435 | Bool_t rv = kFALSE ; |
7b7c1533 | 436 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
d15a28e7 | 437 | |
2b629790 | 438 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
d15a28e7 | 439 | |
2b629790 | 440 | if(digit->GetId() <= nEMC ) rv = kTRUE; |
ed4205d8 | 441 | |
442 | return rv ; | |
443 | } | |
444 | ||
ed4205d8 | 445 | //____________________________________________________________________________ |
9a1398dd | 446 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 447 | { |
fad3e5b9 | 448 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 449 | |
450 | Bool_t rv = kFALSE ; | |
7b7c1533 | 451 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
ed4205d8 | 452 | |
2b629790 | 453 | Int_t nEMC = geom->GetNModules()*geom->GetNPhi()*geom->GetNZ(); |
ed4205d8 | 454 | |
2b629790 | 455 | if(digit->GetId() > nEMC ) rv = kTRUE; |
d15a28e7 | 456 | |
457 | return rv ; | |
458 | } | |
9a1398dd | 459 | |
460 | //____________________________________________________________________________ | |
7b7c1533 | 461 | void AliPHOSClusterizerv1::WriteRecPoints(Int_t event) |
a4e98857 | 462 | { |
7b7c1533 | 463 | |
464 | // Creates new branches with given title | |
a4e98857 | 465 | // fills and writes into TreeR. |
fbf811ec | 466 | |
467 | ||
7b7c1533 | 468 | AliPHOSGetter *gime = AliPHOSGetter::GetInstance() ; |
fbf811ec | 469 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; |
470 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
471 | TClonesArray * digits = gime->Digits() ; | |
472 | TTree * treeR ; | |
473 | ||
474 | if(fToSplit){ | |
475 | if(!fSplitFile) | |
476 | return ; | |
477 | fSplitFile->cd() ; | |
478 | TString name("TreeR") ; | |
479 | name += event ; | |
480 | treeR = dynamic_cast<TTree*>(fSplitFile->Get(name)); | |
481 | } | |
482 | else{ | |
483 | treeR = gAlice->TreeR(); | |
484 | } | |
485 | ||
486 | if(!treeR){ | |
c2cd5471 | 487 | if(fSplitFile) |
488 | gAlice->MakeTree("R", fSplitFile); | |
489 | else | |
490 | gAlice->MakeTree("R", gROOT->GetFile(GetTitle())); | |
fbf811ec | 491 | treeR = gAlice->TreeR() ; |
492 | } | |
493 | ||
9a1398dd | 494 | Int_t index ; |
01a599c9 | 495 | //Evaluate position, dispersion and other RecPoint properties... |
7b7c1533 | 496 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
497 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->EvalAll(fW0,digits) ; | |
fbf811ec | 498 | |
7b7c1533 | 499 | emcRecPoints->Sort() ; |
7b7c1533 | 500 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
501 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->SetIndexInList(index) ; | |
fbf811ec | 502 | |
7b7c1533 | 503 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
fbf811ec | 504 | |
9a1398dd | 505 | //Now the same for CPV |
7b7c1533 | 506 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
507 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->EvalAll(fW0CPV,digits) ; | |
fbf811ec | 508 | |
7b7c1533 | 509 | cpvRecPoints->Sort() ; |
fbf811ec | 510 | |
7b7c1533 | 511 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
512 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->SetIndexInList(index) ; | |
fbf811ec | 513 | |
7b7c1533 | 514 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 515 | |
9a1398dd | 516 | Int_t bufferSize = 32000 ; |
517 | Int_t splitlevel = 0 ; | |
8d0f3f77 | 518 | |
01a599c9 | 519 | //First EMC |
8d0f3f77 | 520 | TBranch * emcBranch = treeR->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
fc12304f | 521 | emcBranch->SetTitle(BranchName()); |
9a1398dd | 522 | |
523 | //Now CPV branch | |
8d0f3f77 | 524 | TBranch * cpvBranch = treeR->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
fc12304f | 525 | cpvBranch->SetTitle(BranchName()); |
9a1398dd | 526 | |
527 | //And Finally clusterizer branch | |
8581019b | 528 | AliPHOSClusterizerv1 * cl = this ; |
8d0f3f77 | 529 | TBranch * clusterizerBranch = treeR->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", |
9a1398dd | 530 | &cl,bufferSize,splitlevel); |
fc12304f | 531 | clusterizerBranch->SetTitle(BranchName()); |
8d0f3f77 | 532 | |
01a599c9 | 533 | emcBranch ->Fill() ; |
534 | cpvBranch ->Fill() ; | |
761e34c0 | 535 | clusterizerBranch->Fill() ; |
eec3ac52 | 536 | |
548f0134 | 537 | treeR->AutoSave() ; |
fbf811ec | 538 | if(gAlice->TreeR()!=treeR) |
539 | treeR->Delete(); | |
9a1398dd | 540 | } |
541 | ||
542 | //____________________________________________________________________________ | |
543 | void AliPHOSClusterizerv1::MakeClusters() | |
544 | { | |
545 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
546 | // A cluster is defined as a list of neighbour digits | |
d15a28e7 | 547 | |
7b7c1533 | 548 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
549 | ||
fc12304f | 550 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
551 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
7d493c2c | 552 | emcRecPoints->Delete() ; |
553 | cpvRecPoints->Delete() ; | |
7b7c1533 | 554 | |
fbf811ec | 555 | TClonesArray * digits = gime->Digits() ; |
fc12304f | 556 | if ( !digits ) { |
f1611b7c | 557 | Fatal("MakeClusters", "Digits with name %s not found !", BranchName().Data() ) ; |
fc12304f | 558 | } |
7b7c1533 | 559 | TClonesArray * digitsC = (TClonesArray*)digits->Clone() ; |
560 | ||
561 | ||
d15a28e7 | 562 | // Clusterization starts |
9a1398dd | 563 | |
7b7c1533 | 564 | TIter nextdigit(digitsC) ; |
d15a28e7 | 565 | AliPHOSDigit * digit ; |
92862013 | 566 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 567 | |
7b7c1533 | 568 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digitsC |
9a1398dd | 569 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 570 | |
d1de15f5 | 571 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 572 | Int_t index ; |
f2bc1b87 | 573 | |
3758d9fc | 574 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fEmcClusteringThreshold ) || |
575 | ( IsInCpv (digit) && Calibrate(digit->GetAmp(),digit->GetId()) > fCpvClusteringThreshold ) ) { | |
d15a28e7 | 576 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 577 | |
6ad0bfa0 | 578 | if ( IsInEmc(digit) ) { |
83974468 | 579 | // start a new EMC RecPoint |
7b7c1533 | 580 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
581 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
582 | ||
73a68ccb | 583 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(""), fNumberOfEmcClusters) ; |
7b7c1533 | 584 | clu = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters) ; |
7f5d510c | 585 | fNumberOfEmcClusters++ ; |
3758d9fc | 586 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId())) ; |
9a1398dd | 587 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 588 | iDigitInCluster++ ; |
7b7c1533 | 589 | digitsC->Remove(digit) ; |
ca77b032 | 590 | |
d72dfbc3 | 591 | } else { |
83974468 | 592 | |
9688c1dd | 593 | // start a new CPV cluster |
7b7c1533 | 594 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
595 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
596 | ||
73a68ccb | 597 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(""), fNumberOfCpvClusters) ; |
fad3e5b9 | 598 | |
9688c1dd | 599 | clu = (AliPHOSCpvRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters) ; |
7b7c1533 | 600 | fNumberOfCpvClusters++ ; |
3758d9fc | 601 | clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->GetId()) ) ; |
9a1398dd | 602 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 603 | iDigitInCluster++ ; |
7b7c1533 | 604 | digitsC->Remove(digit) ; |
d15a28e7 | 605 | nextdigit.Reset() ; |
606 | ||
7b7c1533 | 607 | // Here we remove remaining EMC digits, which cannot make a cluster |
fad3e5b9 | 608 | |
92862013 | 609 | if( notremoved ) { |
9f616d61 | 610 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 611 | if( IsInEmc(digit) ) |
7b7c1533 | 612 | digitsC->Remove(digit) ; |
d15a28e7 | 613 | else |
614 | break ; | |
d72dfbc3 | 615 | } |
616 | notremoved = kFALSE ; | |
617 | } | |
d15a28e7 | 618 | |
619 | } // else | |
620 | ||
621 | nextdigit.Reset() ; | |
fad3e5b9 | 622 | |
d15a28e7 | 623 | AliPHOSDigit * digitN ; |
624 | index = 0 ; | |
9f616d61 | 625 | while (index < iDigitInCluster){ // scan over digits already in cluster |
7b7c1533 | 626 | digit = (AliPHOSDigit*)digits->At(clusterdigitslist[index]) ; |
9f616d61 | 627 | index++ ; |
d15a28e7 | 628 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 629 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 630 | switch (ineb ) { |
9f616d61 | 631 | case 0 : // not a neighbour |
d72dfbc3 | 632 | break ; |
9f616d61 | 633 | case 1 : // are neighbours |
3758d9fc | 634 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->GetId() ) ) ; |
9a1398dd | 635 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 636 | iDigitInCluster++ ; |
7b7c1533 | 637 | digitsC->Remove(digitN) ; |
d15a28e7 | 638 | break ; |
9f616d61 | 639 | case 2 : // too far from each other |
d15a28e7 | 640 | goto endofloop; |
641 | } // switch | |
642 | ||
643 | } // while digitN | |
fad3e5b9 | 644 | |
d15a28e7 | 645 | endofloop: ; |
646 | nextdigit.Reset() ; | |
647 | ||
648 | } // loop over cluster | |
ad8cfaf4 | 649 | |
ad8cfaf4 | 650 | } // energy theshold |
ad8cfaf4 | 651 | |
31aa6d6c | 652 | |
d15a28e7 | 653 | } // while digit |
654 | ||
7b7c1533 | 655 | delete digitsC ; |
9688c1dd | 656 | |
9a1398dd | 657 | } |
658 | ||
659 | //____________________________________________________________________________ | |
a4e98857 | 660 | void AliPHOSClusterizerv1::MakeUnfolding() |
661 | { | |
662 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 663 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 664 | |
7b7c1533 | 665 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
666 | ||
fc12304f | 667 | |
7b7c1533 | 668 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fc12304f | 669 | TObjArray * emcRecPoints = gime->EmcRecPoints(BranchName()) ; |
670 | TObjArray * cpvRecPoints = gime->CpvRecPoints(BranchName()) ; | |
fbf811ec | 671 | TClonesArray * digits = gime->Digits() ; |
7b7c1533 | 672 | |
a4e98857 | 673 | // Unfold first EMC clusters |
9a1398dd | 674 | if(fNumberOfEmcClusters > 0){ |
675 | ||
7b7c1533 | 676 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 677 | |
678 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
679 | Int_t index ; | |
680 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
681 | ||
7b7c1533 | 682 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) emcRecPoints->At(index) ; |
9a1398dd | 683 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
684 | break ; | |
685 | ||
686 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 687 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 688 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 689 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 690 | |
691 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
692 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 693 | emcRecPoints->Remove(emcRecPoint); |
694 | emcRecPoints->Compress() ; | |
9a1398dd | 695 | index-- ; |
696 | fNumberOfEmcClusters -- ; | |
697 | numberofNotUnfolded-- ; | |
698 | } | |
699 | ||
700 | delete[] maxAt ; | |
701 | delete[] maxAtEnergy ; | |
702 | } | |
703 | } | |
a4e98857 | 704 | // Unfolding of EMC clusters finished |
9a1398dd | 705 | |
706 | ||
a4e98857 | 707 | // Unfold now CPV clusters |
9a1398dd | 708 | if(fNumberOfCpvClusters > 0){ |
709 | ||
9688c1dd | 710 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 711 | |
712 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
713 | Int_t index ; | |
714 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
715 | ||
7b7c1533 | 716 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) cpvRecPoints->At(index) ; |
9a1398dd | 717 | |
718 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
719 | break ; | |
720 | ||
721 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
722 | ||
723 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
a0636361 | 724 | AliPHOSDigit ** maxAt = new AliPHOSDigit*[nMultipl] ; |
9a1398dd | 725 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; |
7b7c1533 | 726 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 727 | |
728 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
729 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 730 | cpvRecPoints->Remove(emcRecPoint); |
731 | cpvRecPoints->Compress() ; | |
9a1398dd | 732 | index-- ; |
733 | numberofCpvNotUnfolded-- ; | |
734 | fNumberOfCpvClusters-- ; | |
735 | } | |
736 | ||
737 | delete[] maxAt ; | |
738 | delete[] maxAtEnergy ; | |
739 | } | |
740 | } | |
741 | //Unfolding of Cpv clusters finished | |
742 | ||
743 | } | |
744 | ||
9a1398dd | 745 | //____________________________________________________________________________ |
746 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
747 | { | |
748 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 749 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 750 | |
751 | Double_t r4 = r*r*r*r ; | |
752 | Double_t r295 = TMath::Power(r, 2.95) ; | |
753 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
754 | return shape ; | |
755 | } | |
756 | ||
757 | //____________________________________________________________________________ | |
758 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
759 | Int_t nMax, | |
a0636361 | 760 | AliPHOSDigit ** maxAt, |
9a1398dd | 761 | Float_t * maxAtEnergy) |
762 | { | |
763 | // Performs the unfolding of a cluster with nMax overlapping showers | |
764 | ||
7b7c1533 | 765 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
fc12304f | 766 | |
7b7c1533 | 767 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
fbf811ec | 768 | const TClonesArray * digits = gime->Digits() ; |
769 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
770 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
7b7c1533 | 771 | |
9a1398dd | 772 | Int_t nPar = 3 * nMax ; |
773 | Float_t * fitparameters = new Float_t[nPar] ; | |
774 | ||
775 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
776 | if( !rv ) { | |
777 | // Fit failed, return and remove cluster | |
778 | delete[] fitparameters ; | |
779 | return ; | |
780 | } | |
781 | ||
782 | // create ufolded rec points and fill them with new energy lists | |
783 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
784 | // and later correct this number in acordance with actual energy deposition | |
785 | ||
786 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
787 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 788 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
789 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 790 | Int_t relid[4] ; |
7b7c1533 | 791 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 792 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
793 | ||
794 | Int_t iparam ; | |
795 | Int_t iDigit ; | |
796 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 797 | digit = (AliPHOSDigit*) digits->At(emcDigits[iDigit] ) ; |
798 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
799 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 800 | efit[iDigit] = 0; |
801 | ||
802 | iparam = 0 ; | |
803 | while(iparam < nPar ){ | |
804 | xpar = fitparameters[iparam] ; | |
805 | zpar = fitparameters[iparam+1] ; | |
806 | epar = fitparameters[iparam+2] ; | |
807 | iparam += 3 ; | |
808 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
809 | distance = TMath::Sqrt(distance) ; | |
810 | efit[iDigit] += epar * ShowerShape(distance) ; | |
811 | } | |
812 | } | |
813 | ||
814 | ||
815 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
816 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
817 | // to its contribution to efit | |
818 | ||
819 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
820 | Float_t ratio ; | |
821 | ||
822 | iparam = 0 ; | |
823 | while(iparam < nPar ){ | |
824 | xpar = fitparameters[iparam] ; | |
825 | zpar = fitparameters[iparam+1] ; | |
826 | epar = fitparameters[iparam+2] ; | |
827 | iparam += 3 ; | |
828 | ||
7b7c1533 | 829 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 830 | |
831 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
832 | ||
7b7c1533 | 833 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
834 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
9a1398dd | 835 | |
73a68ccb | 836 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint("") ; |
7b7c1533 | 837 | emcRP = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters); |
9a1398dd | 838 | fNumberOfEmcClusters++ ; |
839 | } | |
840 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 841 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
842 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
9a1398dd | 843 | |
73a68ccb | 844 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint("") ; |
7b7c1533 | 845 | emcRP = (AliPHOSEmcRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters); |
9a1398dd | 846 | fNumberOfCpvClusters++ ; |
847 | } | |
848 | ||
849 | Float_t eDigit ; | |
850 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 851 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; |
852 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
853 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 854 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
855 | distance = TMath::Sqrt(distance) ; | |
856 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
857 | eDigit = emcEnergies[iDigit] * ratio ; | |
858 | emcRP->AddDigit( *digit, eDigit ) ; | |
859 | } | |
860 | } | |
861 | ||
862 | delete[] fitparameters ; | |
863 | delete[] efit ; | |
864 | ||
865 | } | |
866 | ||
867 | //_____________________________________________________________________________ | |
868 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
869 | { | |
a4e98857 | 870 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 871 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
872 | ||
9a1398dd | 873 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; |
874 | ||
875 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
876 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
877 | ||
878 | ||
879 | ||
880 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
881 | ||
882 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
883 | ||
7b7c1533 | 884 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 885 | |
886 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
887 | ||
01a599c9 | 888 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
9a1398dd | 889 | fret = 0. ; |
890 | Int_t iparam ; | |
891 | ||
892 | if(iflag == 2) | |
893 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
894 | Grad[iparam] = 0 ; // Will evaluate gradient | |
895 | ||
896 | Double_t efit ; | |
897 | ||
898 | AliPHOSDigit * digit ; | |
899 | Int_t iDigit ; | |
900 | ||
7b7c1533 | 901 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 902 | |
903 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
904 | ||
905 | Int_t relid[4] ; | |
906 | Float_t xDigit ; | |
907 | Float_t zDigit ; | |
908 | ||
909 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
910 | ||
911 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
912 | ||
913 | if(iflag == 2){ // calculate gradient | |
914 | Int_t iParam = 0 ; | |
915 | efit = 0 ; | |
916 | while(iParam < nPar ){ | |
917 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
918 | iParam++ ; | |
919 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
920 | distance = TMath::Sqrt( distance ) ; | |
921 | iParam++ ; | |
922 | efit += x[iParam] * ShowerShape(distance) ; | |
923 | iParam++ ; | |
924 | } | |
925 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
926 | iParam = 0 ; | |
927 | while(iParam < nPar ){ | |
928 | Double_t xpar = x[iParam] ; | |
929 | Double_t zpar = x[iParam+1] ; | |
930 | Double_t epar = x[iParam+2] ; | |
931 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
932 | Double_t shape = sum * ShowerShape(dr) ; | |
933 | Double_t r4 = dr*dr*dr*dr ; | |
934 | Double_t r295 = TMath::Power(dr,2.95) ; | |
935 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
936 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
937 | ||
938 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
939 | iParam++ ; | |
940 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
941 | iParam++ ; | |
942 | Grad[iParam] += shape ; // Derivative over energy | |
943 | iParam++ ; | |
944 | } | |
945 | } | |
946 | efit = 0; | |
947 | iparam = 0 ; | |
948 | ||
949 | while(iparam < nPar ){ | |
950 | Double_t xpar = x[iparam] ; | |
951 | Double_t zpar = x[iparam+1] ; | |
952 | Double_t epar = x[iparam+2] ; | |
953 | iparam += 3 ; | |
954 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
955 | distance = TMath::Sqrt(distance) ; | |
956 | efit += epar * ShowerShape(distance) ; | |
957 | } | |
958 | ||
959 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
960 | // Here we assume, that sigma = sqrt(E) | |
961 | } | |
83974468 | 962 | |
d15a28e7 | 963 | } |
964 | ||
965 | //____________________________________________________________________________ | |
9a1398dd | 966 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 967 | { |
d1de15f5 | 968 | // Print clusterizer parameters |
969 | ||
21cd0c07 | 970 | TString message ; |
971 | TString taskName(GetName()) ; | |
972 | taskName.ReplaceAll(Version(), "") ; | |
973 | ||
974 | if( strcmp(GetName(), "") !=0 ) { | |
9a1398dd | 975 | // Print parameters |
21cd0c07 | 976 | message = "\n--------------- %s %s -----------\n" ; |
977 | message += "Clusterizing digits from the file: %s\n" ; | |
978 | message += " Branch: %s\n" ; | |
979 | message += " EMC Clustering threshold = %f\n" ; | |
980 | message += " EMC Local Maximum cut = %f\n" ; | |
981 | message += " EMC Logarothmic weight = %f\n" ; | |
982 | message += " CPV Clustering threshold = %f\n" ; | |
983 | message += " CPV Local Maximum cut = %f\n" ; | |
984 | message += " CPV Logarothmic weight = %f\n" ; | |
9a1398dd | 985 | if(fToUnfold) |
21cd0c07 | 986 | message += " Unfolding on\n" ; |
9a1398dd | 987 | else |
21cd0c07 | 988 | message += " Unfolding off\n" ; |
9a1398dd | 989 | |
21cd0c07 | 990 | message += "------------------------------------------------------------------" ; |
9a1398dd | 991 | } |
21cd0c07 | 992 | else |
993 | message = " AliPHOSClusterizerv1 not initialized " ; | |
994 | ||
995 | Info("Print", message.Data(), | |
996 | taskName.Data(), | |
997 | GetTitle(), | |
998 | taskName.Data(), | |
999 | GetName(), | |
1000 | fEmcClusteringThreshold, | |
1001 | fEmcLocMaxCut, | |
1002 | fW0, | |
1003 | fCpvClusteringThreshold, | |
1004 | fCpvLocMaxCut, | |
1005 | fW0CPV ) ; | |
9a1398dd | 1006 | } |
21cd0c07 | 1007 | |
1008 | ||
9a1398dd | 1009 | //____________________________________________________________________________ |
a4e98857 | 1010 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
1011 | { | |
1012 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 1013 | |
fc12304f | 1014 | TObjArray * emcRecPoints = AliPHOSGetter::GetInstance()->EmcRecPoints(BranchName()) ; |
1015 | TObjArray * cpvRecPoints = AliPHOSGetter::GetInstance()->CpvRecPoints(BranchName()) ; | |
7b7c1533 | 1016 | |
21cd0c07 | 1017 | TString message ; |
3bf72d32 | 1018 | message = "\nevent " ; |
1019 | message += gAlice->GetEvNumber() ; | |
1020 | message += "\n Found " ; | |
1021 | message += emcRecPoints->GetEntriesFast() ; | |
1022 | message += "EMC RecPoints and " ; | |
1023 | message += cpvRecPoints->GetEntriesFast() ; | |
1024 | message += " CPV RecPoints \n" ; | |
1025 | ||
2b60655b | 1026 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; |
1027 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
21cd0c07 | 1028 | |
9a1398dd | 1029 | if(strstr(option,"all")) { |
3bf72d32 | 1030 | message += "EMC clusters " ; |
1031 | message += " Index Ene(MeV) Multi Module X Y Z Lambda 1 Lambda 2 # of prim Primaries list " ; | |
9a1398dd | 1032 | Int_t index ; |
7b7c1533 | 1033 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
1034 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 1035 | TVector3 locpos; |
1036 | rp->GetLocalPosition(locpos); | |
9a1398dd | 1037 | Float_t lambda[2]; |
1038 | rp->GetElipsAxis(lambda); | |
9a1398dd | 1039 | Int_t * primaries; |
1040 | Int_t nprimaries; | |
3bf72d32 | 1041 | message += " " ; |
9a1398dd | 1042 | primaries = rp->GetPrimaries(nprimaries); |
3bf72d32 | 1043 | message += "\n" ; |
1044 | message += rp->GetIndexInList() ; | |
1045 | message += " " ; | |
1046 | message += rp->GetEnergy(); | |
1047 | message += " " ; | |
1048 | message += rp->GetMultiplicity() ; | |
1049 | message += " " ; | |
1050 | message += rp->GetPHOSMod() ; | |
1051 | message += " " ; | |
1052 | message += locpos.X() ; | |
1053 | message += " " ; | |
1054 | message += locpos.Y() ; | |
1055 | message += " " ; | |
1056 | message += locpos.Z() ; | |
1057 | message += " " ; | |
1058 | message += lambda[0] ; | |
1059 | message += " " ; | |
1060 | message += lambda[1] ; | |
1061 | message += " " ; | |
1062 | message += nprimaries ; | |
1063 | message += " : " ; | |
1064 | ||
21cd0c07 | 1065 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) { |
3bf72d32 | 1066 | message += primaries[iprimary] ; |
1067 | message += " " ; | |
21cd0c07 | 1068 | } |
9a1398dd | 1069 | } |
9a1398dd | 1070 | |
21cd0c07 | 1071 | //Now plot CPV recPoints |
3bf72d32 | 1072 | message += "\nCPV clusters Index Multi Module X Y Z # of prim Primaries list \n" ; |
7b7c1533 | 1073 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { |
1074 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
21cd0c07 | 1075 | |
9a1398dd | 1076 | TVector3 locpos; |
1077 | rp->GetLocalPosition(locpos); | |
21cd0c07 | 1078 | |
9a1398dd | 1079 | Int_t * primaries; |
9688c1dd | 1080 | Int_t nprimaries ; |
f1611b7c | 1081 | primaries = rp->GetPrimaries(nprimaries); |
3bf72d32 | 1082 | message += "\n" ; |
1083 | message += rp->GetIndexInList() ; | |
1084 | message += " " ; | |
1085 | message += rp->GetPHOSMod(); | |
1086 | message += " " ; | |
1087 | message += locpos.X() ; | |
1088 | message += " " ; | |
1089 | message += locpos.Y() ; | |
1090 | message += " " ; | |
1091 | message += locpos.Z() ; | |
1092 | message += " " ; | |
1093 | message += nprimaries ; | |
1094 | message += " : " ; | |
1095 | ||
9a1398dd | 1096 | primaries = rp->GetPrimaries(nprimaries); |
21cd0c07 | 1097 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) { |
3bf72d32 | 1098 | message += primaries[iprimary] ; |
1099 | message += " " ; | |
21cd0c07 | 1100 | } |
9a1398dd | 1101 | } |
9a1398dd | 1102 | } |
3bf72d32 | 1103 | Info("Print", message.Data() ) ; |
d15a28e7 | 1104 | } |
9a1398dd | 1105 |