]>
Commit | Line | Data |
---|---|---|
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 |
33 | // unfolding of the clusters with several local maxima. | |
34 | // results are stored in TreeR#, branches PHOSEmcRP (EMC recPoints), | |
35 | // PHOSCpvRP (CPV RecPoints) and AliPHOSClusterizer (Clusterizer with all | |
f035f6ce | 36 | // parameters including input digits branch title, thresholds etc.) |
9a1398dd | 37 | // This TTask normally called from Reconstructioner, but as well can be used it in |
38 | // standalone mode: | |
39 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root") | |
40 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated | |
41 | // //reads gAlice from header file "..." | |
42 | // root [1] cl->ExecuteTask() | |
43 | // //finds RecPoints in all events stored in galice.root | |
44 | // root [2] cl->SetDigitsBranch("digits2") | |
f035f6ce | 45 | // //sets another title for Digitis (input) branch |
9a1398dd | 46 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 47 | // //sets another title four output branches |
9a1398dd | 48 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
49 | // //set clusterization parameters | |
50 | // root [5] cl->ExecuteTask("deb all time") | |
51 | // //once more finds RecPoints options are | |
52 | // // deb - print number of found rec points | |
53 | // // deb all - print number of found RecPoints and some their characteristics | |
54 | // // time - print benchmarking results | |
ed4205d8 | 55 | |
d15a28e7 | 56 | // --- ROOT system --- |
57 | ||
9a1398dd | 58 | #include "TROOT.h" |
59 | #include "TFile.h" | |
60 | #include "TFolder.h" | |
d15a28e7 | 61 | #include "TMath.h" |
9a1398dd | 62 | #include "TMinuit.h" |
63 | #include "TTree.h" | |
64 | #include "TSystem.h" | |
65 | #include "TBenchmark.h" | |
d15a28e7 | 66 | |
67 | // --- Standard library --- | |
68 | ||
de9ec31b | 69 | #include <iostream.h> |
9a1398dd | 70 | #include <iomanip.h> |
d15a28e7 | 71 | |
72 | // --- AliRoot header files --- | |
73 | ||
74 | #include "AliPHOSClusterizerv1.h" | |
9a1398dd | 75 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 76 | #include "AliPHOSDigit.h" |
9a1398dd | 77 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 78 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 79 | #include "AliPHOS.h" |
d15a28e7 | 80 | #include "AliPHOSPpsdRecPoint.h" |
9a1398dd | 81 | #include "AliRun.h" |
d15a28e7 | 82 | |
83 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 84 | |
d15a28e7 | 85 | //____________________________________________________________________________ |
9a1398dd | 86 | AliPHOSClusterizerv1::AliPHOSClusterizerv1():AliPHOSClusterizer() |
d15a28e7 | 87 | { |
f035f6ce | 88 | // default ctor (to be used mainly by Streamer) |
89 | SetName("AliPHOSClusterizer"); | |
9a1398dd | 90 | SetTitle("Version 1") ; |
f035f6ce | 91 | |
9a1398dd | 92 | fNumberOfCpvClusters = 0 ; |
d15a28e7 | 93 | fNumberOfEmcClusters = 0 ; |
f035f6ce | 94 | |
9a1398dd | 95 | fCpvClusteringThreshold = 0.0; |
c3c187e5 | 96 | fEmcClusteringThreshold = 0.2; |
c3c187e5 | 97 | fPpsdClusteringThreshold = 0.0000002 ; |
9a1398dd | 98 | |
99 | fEmcLocMaxCut = 0.03 ; | |
100 | fCpvLocMaxCut = 0.03 ; | |
101 | ||
102 | fW0 = 4.5 ; | |
103 | fW0CPV = 4.0 ; | |
f035f6ce | 104 | |
9a1398dd | 105 | fGeom = 0 ; |
106 | ||
107 | fDigits = 0 ; | |
108 | fDigitizer = 0 ; | |
109 | fEmcRecPoints = 0 ; | |
110 | fCpvRecPoints = 0 ; | |
111 | ||
112 | fIsInitialized = kFALSE ; | |
113 | ||
114 | } | |
115 | //____________________________________________________________________________ | |
f035f6ce | 116 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* digitsFile):AliPHOSClusterizer() |
9a1398dd | 117 | { |
118 | SetName("AliPHOSClusterizer"); | |
119 | SetTitle("Version 1") ; | |
120 | ||
121 | fNumberOfCpvClusters = 0 ; | |
122 | fNumberOfEmcClusters = 0 ; | |
f035f6ce | 123 | |
ed4205d8 | 124 | fCpvClusteringThreshold = 0.0; |
9a1398dd | 125 | fEmcClusteringThreshold = 0.2; |
126 | fPpsdClusteringThreshold = 0.0000002 ; | |
127 | ||
128 | fEmcLocMaxCut = 0.03 ; | |
129 | fCpvLocMaxCut = 0.03 ; | |
130 | ||
d15a28e7 | 131 | fW0 = 4.5 ; |
c3c187e5 | 132 | fW0CPV = 4.0 ; |
9a1398dd | 133 | |
134 | fToUnfold = kTRUE ; | |
135 | ||
136 | fHeaderFileName = headerFile ; | |
137 | fDigitsBranchTitle = digitsFile ; | |
138 | ||
139 | TFile * file = (TFile*) gROOT->GetFile(fHeaderFileName.Data() ) ; | |
140 | ||
141 | if(file == 0){ | |
f035f6ce | 142 | if(fHeaderFileName.Contains("rfio")) // if we read file using HPSS |
143 | file = TFile::Open(fHeaderFileName.Data(),"update") ; | |
144 | else | |
145 | file = new TFile(fHeaderFileName.Data(),"update") ; | |
9a1398dd | 146 | gAlice = (AliRun *) file->Get("gAlice") ; |
147 | } | |
148 | ||
149 | AliPHOS * phos = (AliPHOS *) gAlice->GetDetector("PHOS") ; | |
150 | fGeom = AliPHOSGeometry::GetInstance(phos->GetGeometry()->GetName(),phos->GetGeometry()->GetTitle() ); | |
151 | ||
152 | fDigits = new TClonesArray("AliPHOSDigit",10) ; | |
153 | fDigitizer = new AliPHOSDigitizer() ; | |
154 | fEmcRecPoints = new TObjArray(200) ; | |
155 | fCpvRecPoints = new TObjArray(200) ; | |
156 | ||
157 | if(!gMinuit) gMinuit = new TMinuit(100) ; | |
158 | ||
159 | // add Task to //root/Tasks folder | |
160 | TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; | |
161 | roottasks->Add(this) ; | |
162 | ||
163 | ||
164 | fIsInitialized = kTRUE ; | |
165 | ||
166 | } | |
167 | //____________________________________________________________________________ | |
168 | void AliPHOSClusterizerv1::Exec(Option_t * option){ | |
169 | // Steerign function | |
170 | ||
171 | if(!fIsInitialized) Init() ; | |
172 | ||
173 | if(strstr(option,"tim")) | |
174 | gBenchmark->Start("PHOSClusterizer"); | |
175 | ||
176 | Int_t nEvents = (Int_t) gAlice->TreeE()->GetEntries() ; | |
177 | ||
178 | for(fEvent = 0;fEvent< nEvents; fEvent++){ | |
179 | if(!ReadDigits()) //reads digits for event fEvent | |
180 | return; | |
181 | MakeClusters() ; | |
182 | ||
183 | if(fToUnfold) MakeUnfolding() ; | |
184 | WriteRecPoints() ; | |
185 | if(strstr(option,"deb")) | |
186 | PrintRecPoints(option) ; | |
187 | } | |
188 | ||
189 | if(strstr(option,"tim")){ | |
190 | gBenchmark->Stop("PHOSClusterizer"); | |
191 | cout << "AliPHOSClusterizer:" << endl ; | |
192 | cout << " took " << gBenchmark->GetCpuTime("PHOSClusterizer") << " seconds for Clusterizing " | |
193 | << gBenchmark->GetCpuTime("PHOSClusterizer")/nEvents << " seconds per event " << endl ; | |
194 | cout << endl ; | |
195 | } | |
196 | ||
197 | ||
198 | } | |
199 | ||
200 | //____________________________________________________________________________ | |
201 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, int * maxAt, Float_t * maxAtEnergy, | |
202 | Int_t nPar, Float_t * fitparameters) | |
203 | { | |
204 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
f035f6ce | 205 | // the initial values for fitting procedure are set in the positions of local maxima. |
206 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers | |
9a1398dd | 207 | |
208 | gMinuit->mncler(); // Reset Minuit's list of paramters | |
209 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
210 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
211 | // To set the address of the minimization function | |
212 | ||
213 | TList * toMinuit = new TList(); | |
214 | toMinuit->AddAt(emcRP,0) ; | |
215 | toMinuit->AddAt(fDigits,1) ; | |
216 | ||
217 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
218 | ||
219 | // filling initial values for fit parameters | |
220 | AliPHOSDigit * digit ; | |
221 | ||
222 | Int_t ierflg = 0; | |
223 | Int_t index = 0 ; | |
224 | Int_t nDigits = (Int_t) nPar / 3 ; | |
225 | ||
226 | Int_t iDigit ; | |
227 | ||
228 | ||
229 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
230 | digit = (AliPHOSDigit *) maxAt[iDigit]; | |
231 | ||
232 | Int_t relid[4] ; | |
233 | Float_t x ; | |
234 | Float_t z ; | |
235 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
236 | fGeom->RelPosInModule(relid, x, z) ; | |
237 | ||
238 | Float_t energy = maxAtEnergy[iDigit] ; | |
239 | ||
240 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
241 | index++ ; | |
242 | if(ierflg != 0){ | |
243 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ; | |
244 | return kFALSE; | |
245 | } | |
246 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
247 | index++ ; | |
248 | if(ierflg != 0){ | |
249 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ; | |
250 | return kFALSE; | |
251 | } | |
252 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
253 | index++ ; | |
254 | if(ierflg != 0){ | |
255 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ; | |
256 | return kFALSE; | |
257 | } | |
258 | } | |
259 | ||
260 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
261 | // depends on it. | |
262 | Double_t p1 = 1.0 ; | |
263 | Double_t p2 = 0.0 ; | |
264 | ||
265 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
266 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
267 | gMinuit->SetMaxIterations(5); | |
268 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
269 | ||
270 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
271 | ||
272 | if(ierflg == 4){ // Minimum not found | |
273 | cout << "PHOS Unfolding> Fit not converged, cluster abandoned "<< endl ; | |
274 | return kFALSE ; | |
275 | } | |
276 | for(index = 0; index < nPar; index++){ | |
277 | Double_t err ; | |
278 | Double_t val ; | |
279 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
280 | fitparameters[index] = val ; | |
281 | } | |
282 | ||
283 | delete toMinuit ; | |
284 | return kTRUE; | |
c3c187e5 | 285 | |
d15a28e7 | 286 | } |
287 | ||
288 | //____________________________________________________________________________ | |
9a1398dd | 289 | void AliPHOSClusterizerv1::Init(){ |
f035f6ce | 290 | //Make all memory allocations which can not be done in default constructor. |
9a1398dd | 291 | if(!fIsInitialized){ |
292 | if(fHeaderFileName.IsNull()) | |
293 | fHeaderFileName = "galice.root" ; | |
294 | ||
295 | ||
296 | TFile * file = (TFile*) gROOT->GetFile(fHeaderFileName.Data() ) ; | |
297 | ||
298 | if(file == 0){ | |
299 | file = new TFile(fHeaderFileName.Data(),"update") ; | |
300 | gAlice = (AliRun *) file->Get("gAlice") ; | |
301 | } | |
302 | ||
303 | AliPHOS * phos = (AliPHOS *) gAlice->GetDetector("PHOS") ; | |
304 | fGeom = AliPHOSGeometry::GetInstance(phos->GetGeometry()->GetName(),phos->GetGeometry()->GetTitle() ); | |
305 | ||
306 | fDigits = new TClonesArray("AliPHOSDigit",10) ; | |
307 | fDigitizer = new AliPHOSDigitizer() ; | |
308 | fEmcRecPoints = new TObjArray(200) ; | |
309 | fCpvRecPoints = new TObjArray(200) ; | |
310 | ||
311 | if(!gMinuit) gMinuit = new TMinuit(100) ; | |
312 | ||
313 | // add Task to //root/Tasks folder | |
314 | TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; | |
315 | roottasks->Add(this) ; | |
316 | ||
317 | fIsInitialized = kTRUE ; | |
318 | } | |
319 | } | |
320 | //____________________________________________________________________________ | |
321 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 322 | { |
b2a60966 | 323 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
324 | // = 1 are neighbour | |
325 | // = 2 are not neighbour but do not continue searching | |
9a1398dd | 326 | // neighbours are defined as digits having at least common vertex |
b2a60966 | 327 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
328 | // which is compared to a digit (d2) not yet in a cluster | |
329 | ||
d15a28e7 | 330 | Int_t rv = 0 ; |
331 | ||
d15a28e7 | 332 | Int_t relid1[4] ; |
6b9b768e | 333 | fGeom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 334 | |
335 | Int_t relid2[4] ; | |
6b9b768e | 336 | fGeom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 337 | |
338 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module and the same PPSD Module | |
92862013 | 339 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
340 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 341 | |
92862013 | 342 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
d15a28e7 | 343 | rv = 1 ; |
344 | } | |
345 | else { | |
346 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
347 | rv = 2; // Difference in row numbers is too large to look further | |
348 | } | |
349 | ||
350 | } | |
351 | else { | |
352 | ||
353 | if( (relid1[0] < relid2[0]) || (relid1[1] < relid2[1]) ) | |
354 | rv=2 ; | |
355 | ||
356 | } | |
d72dfbc3 | 357 | |
358 | //Do NOT clusterize upper PPSD | |
ed4205d8 | 359 | if( IsInPpsd(d1) && IsInPpsd(d2) && |
360 | relid1[1] > 0 && | |
d72dfbc3 | 361 | relid1[1] < fGeom->GetNumberOfPadsPhi()*fGeom->GetNumberOfPadsPhi() ) rv = 2 ; |
362 | ||
d15a28e7 | 363 | return rv ; |
364 | } | |
365 | ||
d15a28e7 | 366 | |
367 | //____________________________________________________________________________ | |
9a1398dd | 368 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 369 | { |
b2a60966 | 370 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
371 | ||
9f616d61 | 372 | Bool_t rv = kFALSE ; |
d15a28e7 | 373 | |
d15a28e7 | 374 | Int_t relid[4] ; |
6b9b768e | 375 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 376 | |
ed4205d8 | 377 | if ( relid[1] == 0 ) rv = kTRUE; |
378 | ||
379 | return rv ; | |
380 | } | |
381 | ||
382 | //____________________________________________________________________________ | |
9a1398dd | 383 | Bool_t AliPHOSClusterizerv1::IsInPpsd(AliPHOSDigit * digit) const |
ed4205d8 | 384 | { |
fad3e5b9 | 385 | // Tells if (true) or not (false) the digit is in a PHOS-PPSD module |
ed4205d8 | 386 | |
387 | Bool_t rv = kFALSE ; | |
388 | ||
389 | Int_t relid[4] ; | |
390 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
391 | ||
392 | if ( relid[1] > 0 && relid[0] > fGeom->GetNCPVModules() ) rv = kTRUE; | |
393 | ||
394 | return rv ; | |
395 | } | |
396 | ||
397 | //____________________________________________________________________________ | |
9a1398dd | 398 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 399 | { |
fad3e5b9 | 400 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 401 | |
402 | Bool_t rv = kFALSE ; | |
403 | ||
404 | Int_t relid[4] ; | |
405 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
406 | ||
407 | if ( relid[1] > 0 && relid[0] <= fGeom->GetNCPVModules() ) rv = kTRUE; | |
d15a28e7 | 408 | |
409 | return rv ; | |
410 | } | |
d15a28e7 | 411 | //____________________________________________________________________________ |
9a1398dd | 412 | Bool_t AliPHOSClusterizerv1::ReadDigits(){ |
f035f6ce | 413 | //reads digitis with specified title from TreeD |
c161df70 | 414 | |
b73f246d | 415 | fNumberOfEmcClusters = 0 ; |
b73f246d | 416 | fNumberOfCpvClusters = 0 ; |
c161df70 | 417 | |
9a1398dd | 418 | // Get Digits Tree header from file |
9a1398dd | 419 | gAlice->GetEvent(fEvent) ; |
420 | gAlice->SetEvent(fEvent) ; | |
421 | ||
f035f6ce | 422 | TTree * treeD = gAlice->TreeD() ; |
9a1398dd | 423 | |
424 | if(treeD==0){ | |
f035f6ce | 425 | char treeName[20]; |
426 | sprintf(treeName,"TreeD%d",fEvent); | |
9a1398dd | 427 | cout << "Error in AliPHOSClusterizerv1 : no "<<treeName << endl ; |
428 | cout << " Do nothing " << endl ; | |
429 | return kFALSE ; | |
430 | } | |
431 | ||
432 | TBranch * digitsBranch = 0; | |
433 | TBranch * digitizerBranch = 0; | |
434 | ||
435 | TObjArray * branches = treeD->GetListOfBranches() ; | |
436 | Int_t ibranch; | |
437 | Bool_t phosNotFound = kTRUE ; | |
438 | Bool_t digitizerNotFound = kTRUE ; | |
439 | ||
440 | for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){ | |
441 | ||
442 | if(phosNotFound){ | |
443 | digitsBranch=(TBranch *) branches->At(ibranch) ; | |
444 | if( fDigitsBranchTitle.CompareTo(digitsBranch->GetTitle())==0 ) | |
445 | if( strcmp(digitsBranch->GetName(),"PHOS") == 0) | |
446 | phosNotFound = kFALSE ; | |
447 | } | |
448 | ||
449 | if(digitizerNotFound){ | |
450 | digitizerBranch = (TBranch *) branches->At(ibranch) ; | |
451 | if( fDigitsBranchTitle.CompareTo(digitizerBranch->GetTitle()) == 0) | |
452 | if( strcmp(digitizerBranch->GetName(),"AliPHOSDigitizer") == 0) | |
453 | digitizerNotFound = kFALSE ; | |
454 | } | |
455 | ||
456 | } | |
457 | ||
458 | if(digitizerNotFound || phosNotFound){ | |
459 | cout << "ERROR in AliPHOSClusterizerv1: " << endl ; | |
460 | cout << " Can't find Branch with digits or Digitizer "<< endl ; ; | |
461 | cout << " Do nothing" <<endl ; | |
462 | return kFALSE ; | |
463 | } | |
464 | ||
465 | digitsBranch->SetAddress(&fDigits) ; | |
466 | digitizerBranch->SetAddress(&fDigitizer) ; | |
467 | ||
468 | treeD->GetEvent(0) ; | |
469 | ||
470 | fPedestal = fDigitizer->GetPedestal() ; | |
471 | fSlope = fDigitizer->GetSlope() ; | |
472 | return kTRUE ; | |
473 | } | |
474 | ||
475 | //____________________________________________________________________________ | |
476 | void AliPHOSClusterizerv1::WriteRecPoints(){ | |
f035f6ce | 477 | // checks, if PHOSEmcRP etc. branches with given title already exist, |
478 | // exits without writing, otherwise create new branches with given title | |
479 | // fills and wrights TreeR. | |
9a1398dd | 480 | |
481 | Int_t index ; | |
482 | //Evaluate poisition, dispersion and other RecPoint properties... | |
483 | for(index = 0; index < fEmcRecPoints->GetEntries(); index++) | |
484 | ((AliPHOSEmcRecPoint *)fEmcRecPoints->At(index))->EvalAll(fW0,fDigits) ; | |
485 | ||
486 | fEmcRecPoints->Sort() ; | |
487 | ||
488 | for(index = 0; index < fEmcRecPoints->GetEntries(); index++) | |
489 | ((AliPHOSEmcRecPoint *)fEmcRecPoints->At(index))->SetIndexInList(index) ; | |
490 | ||
491 | //Now the same for CPV | |
492 | for(index = 0; index < fCpvRecPoints->GetEntries(); index++) | |
493 | ((AliPHOSRecPoint *)fCpvRecPoints->At(index))->EvalAll(fW0CPV,fDigits) ; | |
494 | ||
495 | fCpvRecPoints->Sort() ; | |
496 | ||
497 | for(index = 0; index < fCpvRecPoints->GetEntries(); index++) | |
498 | ((AliPHOSRecPoint *)fCpvRecPoints->At(index))->SetIndexInList(index) ; | |
499 | ||
500 | if(gAlice->TreeR()==0) | |
501 | gAlice->MakeTree("R") ; | |
502 | ||
503 | ||
504 | //Check, if branches already exist | |
505 | TBranch * emcBranch = 0; | |
506 | TBranch * cpvBranch = 0; | |
507 | TBranch * clusterizerBranch = 0; | |
508 | ||
509 | TObjArray * branches = gAlice->TreeR()->GetListOfBranches() ; | |
510 | Int_t ibranch; | |
511 | Bool_t emcNotFound = kTRUE ; | |
512 | Bool_t cpvNotFound = kTRUE ; | |
513 | Bool_t clusterizerNotFound = kTRUE ; | |
514 | ||
515 | for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){ | |
516 | ||
517 | if(emcNotFound){ | |
518 | emcBranch=(TBranch *) branches->At(ibranch) ; | |
519 | if( fRecPointsBranchTitle.CompareTo(emcBranch->GetTitle())==0 ){ | |
520 | if( strcmp(emcBranch->GetName(),"PHOSEmcRP") == 0) { | |
521 | emcNotFound = kFALSE ; | |
522 | } | |
523 | } | |
524 | } | |
525 | if(cpvNotFound){ | |
526 | cpvBranch=(TBranch *) branches->At(ibranch) ; | |
527 | if( fRecPointsBranchTitle.CompareTo(cpvBranch->GetTitle())==0 ){ | |
528 | if( strcmp(cpvBranch->GetName(),"PHOSCpvRP") == 0) { | |
529 | cpvNotFound = kFALSE ; | |
530 | } | |
531 | } | |
532 | } | |
533 | ||
534 | if(clusterizerNotFound){ | |
535 | clusterizerBranch = (TBranch *) branches->At(ibranch) ; | |
536 | if( fRecPointsBranchTitle.CompareTo(clusterizerBranch->GetTitle()) == 0){ | |
537 | if( strcmp(clusterizerBranch->GetName(),"AliPHOSClusterizer") == 0) { | |
538 | clusterizerNotFound = kFALSE ; | |
539 | } | |
540 | } | |
541 | } | |
542 | ||
543 | } | |
544 | ||
545 | if(!(clusterizerNotFound && emcNotFound && cpvNotFound)){ | |
546 | cout << "AliPHOSClusterizer error" << endl; | |
547 | cout << " Branches PHOSEmcRP, PHOSCpvRP and AliPHOSClusterizer " << endl ; | |
548 | cout << " with title '" << fRecPointsBranchTitle.Data() <<"' already exist" << endl ; | |
549 | cout << " can not overwrite " << endl ; | |
550 | return ; | |
551 | } | |
552 | ||
553 | //Make branches in TreeR for RecPoints and Clusterizer | |
554 | char * filename = 0; | |
555 | if(gSystem->Getenv("CONFIG_SPLIT_FILE")!=0){ //generating file name | |
556 | filename = new char[strlen(gAlice->GetBaseFile())+20] ; | |
557 | sprintf(filename,"%s/PHOS.Reco.root",gAlice->GetBaseFile()) ; | |
558 | } | |
559 | ||
560 | //Make new branches | |
561 | TDirectory *cwd = gDirectory; | |
562 | ||
563 | //First EMC | |
564 | Int_t bufferSize = 32000 ; | |
565 | Int_t splitlevel = 0 ; | |
566 | emcBranch = gAlice->TreeR()->Branch("PHOSEmcRP","TObjArray",&fEmcRecPoints,bufferSize,splitlevel); | |
567 | emcBranch->SetTitle(fRecPointsBranchTitle.Data()); | |
568 | if (filename) { | |
569 | emcBranch->SetFile(filename); | |
570 | TIter next( emcBranch->GetListOfBranches()); | |
571 | while ((emcBranch=(TBranch*)next())) { | |
572 | emcBranch->SetFile(filename); | |
573 | } | |
574 | cwd->cd(); | |
575 | } | |
576 | ||
577 | //Now CPV branch | |
578 | cpvBranch = gAlice->TreeR()->Branch("PHOSCpvRP","TObjArray",&fCpvRecPoints,bufferSize,splitlevel); | |
579 | cpvBranch->SetTitle(fRecPointsBranchTitle.Data()); | |
580 | if (filename) { | |
581 | cpvBranch->SetFile(filename); | |
582 | TIter next( cpvBranch->GetListOfBranches()); | |
583 | while ((cpvBranch=(TBranch*)next())) { | |
584 | cpvBranch->SetFile(filename); | |
585 | } | |
586 | cwd->cd(); | |
587 | } | |
588 | ||
589 | //And Finally clusterizer branch | |
590 | AliPHOSClusterizerv1 * cl = this ; | |
591 | clusterizerBranch = gAlice->TreeR()->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", | |
592 | &cl,bufferSize,splitlevel); | |
593 | clusterizerBranch->SetTitle(fRecPointsBranchTitle.Data()); | |
594 | if (filename) { | |
595 | clusterizerBranch->SetFile(filename); | |
596 | TIter next( clusterizerBranch->GetListOfBranches()); | |
597 | while ((clusterizerBranch=(TBranch*)next())) { | |
598 | clusterizerBranch->SetFile(filename); | |
599 | } | |
600 | cwd->cd(); | |
601 | } | |
602 | ||
603 | gAlice->TreeR()->Fill() ; | |
604 | ||
605 | gAlice->TreeR()->Write(0,kOverwrite) ; | |
606 | ||
607 | } | |
608 | ||
609 | //____________________________________________________________________________ | |
610 | void AliPHOSClusterizerv1::MakeClusters() | |
611 | { | |
612 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
613 | // A cluster is defined as a list of neighbour digits | |
614 | fEmcRecPoints->Clear() ; | |
615 | fCpvRecPoints->Clear() ; | |
616 | ||
d15a28e7 | 617 | |
618 | // Clusterization starts | |
9a1398dd | 619 | TClonesArray * digits = (TClonesArray*)fDigits->Clone() ; |
620 | ||
621 | TIter nextdigit(digits) ; | |
d15a28e7 | 622 | AliPHOSDigit * digit ; |
92862013 | 623 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 624 | |
d15a28e7 | 625 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digits |
9a1398dd | 626 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 627 | |
9a1398dd | 628 | TArrayI clusterdigitslist(1000) ; |
d15a28e7 | 629 | Int_t index ; |
f2bc1b87 | 630 | |
b73f246d | 631 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp()) > fEmcClusteringThreshold ) || |
632 | ( IsInPpsd(digit) && Calibrate(digit->GetAmp()) > fPpsdClusteringThreshold ) || | |
633 | ( IsInCpv (digit) && Calibrate(digit->GetAmp()) > fCpvClusteringThreshold ) ) { | |
f2bc1b87 | 634 | |
d15a28e7 | 635 | Int_t iDigitInCluster = 0 ; |
636 | ||
6ad0bfa0 | 637 | if ( IsInEmc(digit) ) { |
83974468 | 638 | // start a new EMC RecPoint |
9a1398dd | 639 | if(fNumberOfEmcClusters >= fEmcRecPoints->GetSize()) fEmcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; |
640 | fEmcRecPoints->AddAt(new AliPHOSEmcRecPoint(), fNumberOfEmcClusters) ; | |
641 | clu = (AliPHOSEmcRecPoint *) fEmcRecPoints->At(fNumberOfEmcClusters) ; | |
9f616d61 | 642 | fNumberOfEmcClusters++ ; |
643 | clu->AddDigit(*digit, Calibrate(digit->GetAmp())) ; | |
9a1398dd | 644 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 645 | iDigitInCluster++ ; |
9a1398dd | 646 | digits->Remove(digit) ; |
ca77b032 | 647 | |
d72dfbc3 | 648 | } else { |
83974468 | 649 | |
fad3e5b9 | 650 | // start a new PPSD/CPV cluster |
9a1398dd | 651 | if(fNumberOfCpvClusters >= fCpvRecPoints->GetSize()) fCpvRecPoints->Expand(2*fNumberOfCpvClusters+1); |
652 | if(IsInPpsd(digit)) | |
653 | fCpvRecPoints->AddAt(new AliPHOSPpsdRecPoint(),fNumberOfCpvClusters) ; | |
fad3e5b9 | 654 | else |
9a1398dd | 655 | fCpvRecPoints->AddAt(new AliPHOSCpvRecPoint(), fNumberOfCpvClusters) ; |
656 | clu = (AliPHOSPpsdRecPoint *) fCpvRecPoints->At(fNumberOfCpvClusters) ; | |
657 | fNumberOfCpvClusters++ ; | |
fad3e5b9 | 658 | |
6ad0bfa0 | 659 | clu->AddDigit(*digit, Calibrate(digit->GetAmp()) ) ; |
9a1398dd | 660 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 661 | iDigitInCluster++ ; |
9a1398dd | 662 | digits->Remove(digit) ; |
d15a28e7 | 663 | nextdigit.Reset() ; |
664 | ||
9f616d61 | 665 | // Here we remove resting EMC digits, which cannot make cluster |
fad3e5b9 | 666 | |
92862013 | 667 | if( notremoved ) { |
9f616d61 | 668 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 669 | if( IsInEmc(digit) ) |
9a1398dd | 670 | digits->Remove(digit) ; |
d15a28e7 | 671 | else |
672 | break ; | |
d72dfbc3 | 673 | } |
674 | notremoved = kFALSE ; | |
675 | } | |
d15a28e7 | 676 | |
677 | } // else | |
678 | ||
679 | nextdigit.Reset() ; | |
fad3e5b9 | 680 | |
d15a28e7 | 681 | AliPHOSDigit * digitN ; |
682 | index = 0 ; | |
9f616d61 | 683 | while (index < iDigitInCluster){ // scan over digits already in cluster |
9a1398dd | 684 | digit = (AliPHOSDigit*)fDigits->At(clusterdigitslist[index]) ; |
9f616d61 | 685 | index++ ; |
d15a28e7 | 686 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 687 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 688 | switch (ineb ) { |
9f616d61 | 689 | case 0 : // not a neighbour |
d72dfbc3 | 690 | break ; |
9f616d61 | 691 | case 1 : // are neighbours |
83974468 | 692 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp() ) ) ; |
9a1398dd | 693 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 694 | iDigitInCluster++ ; |
9a1398dd | 695 | digits->Remove(digitN) ; |
d15a28e7 | 696 | break ; |
9f616d61 | 697 | case 2 : // too far from each other |
d15a28e7 | 698 | goto endofloop; |
699 | } // switch | |
700 | ||
701 | } // while digitN | |
fad3e5b9 | 702 | |
d15a28e7 | 703 | endofloop: ; |
704 | nextdigit.Reset() ; | |
705 | ||
706 | } // loop over cluster | |
ad8cfaf4 | 707 | |
ad8cfaf4 | 708 | } // energy theshold |
ad8cfaf4 | 709 | |
31aa6d6c | 710 | |
d15a28e7 | 711 | } // while digit |
712 | ||
9a1398dd | 713 | delete digits ; |
714 | ||
715 | } | |
716 | ||
717 | //____________________________________________________________________________ | |
718 | void AliPHOSClusterizerv1::MakeUnfolding(){ | |
719 | //Unfolds clusters using the shape of ElectroMagnetic shower | |
720 | // Performs unfolding of all EMC/CPV but NOT ppsd clusters | |
721 | ||
722 | //Unfold first EMC clusters | |
723 | if(fNumberOfEmcClusters > 0){ | |
724 | ||
725 | Int_t nModulesToUnfold = fGeom->GetNModules() ; | |
726 | ||
727 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
728 | Int_t index ; | |
729 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
730 | ||
731 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) fEmcRecPoints->At(index) ; | |
732 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) | |
733 | break ; | |
734 | ||
735 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
736 | Int_t * maxAt = new Int_t[nMultipl] ; | |
737 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
738 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,fDigits) ; | |
739 | ||
740 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
741 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
742 | fEmcRecPoints->Remove(emcRecPoint); | |
743 | fEmcRecPoints->Compress() ; | |
744 | index-- ; | |
745 | fNumberOfEmcClusters -- ; | |
746 | numberofNotUnfolded-- ; | |
747 | } | |
748 | ||
749 | delete[] maxAt ; | |
750 | delete[] maxAtEnergy ; | |
751 | } | |
752 | } | |
753 | //Unfolding of EMC clusters finished | |
754 | ||
755 | ||
756 | //Unfold now CPV clusters | |
757 | if(fNumberOfCpvClusters > 0){ | |
758 | ||
759 | Int_t nModulesToUnfold = fGeom->GetNCPVModules() ; | |
760 | ||
761 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
762 | Int_t index ; | |
763 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
764 | ||
765 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) fCpvRecPoints->At(index) ; | |
766 | ||
767 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
768 | break ; | |
769 | ||
770 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
771 | ||
772 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
773 | Int_t * maxAt = new Int_t[nMultipl] ; | |
774 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
775 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,fDigits) ; | |
776 | ||
777 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
778 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
779 | fCpvRecPoints->Remove(emcRecPoint); | |
780 | fCpvRecPoints->Compress() ; | |
781 | index-- ; | |
782 | numberofCpvNotUnfolded-- ; | |
783 | fNumberOfCpvClusters-- ; | |
784 | } | |
785 | ||
786 | delete[] maxAt ; | |
787 | delete[] maxAtEnergy ; | |
788 | } | |
789 | } | |
790 | //Unfolding of Cpv clusters finished | |
791 | ||
792 | } | |
793 | ||
9a1398dd | 794 | //____________________________________________________________________________ |
795 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
796 | { | |
797 | // Shape of the shower (see PHOS TDR) | |
798 | // If you change this function, change also the gradien evaluation in ChiSquare() | |
799 | ||
800 | Double_t r4 = r*r*r*r ; | |
801 | Double_t r295 = TMath::Power(r, 2.95) ; | |
802 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
803 | return shape ; | |
804 | } | |
805 | ||
806 | //____________________________________________________________________________ | |
807 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
808 | Int_t nMax, | |
809 | int * maxAt, | |
810 | Float_t * maxAtEnergy) | |
811 | { | |
812 | // Performs the unfolding of a cluster with nMax overlapping showers | |
813 | ||
814 | Int_t nPar = 3 * nMax ; | |
815 | Float_t * fitparameters = new Float_t[nPar] ; | |
816 | ||
817 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
818 | if( !rv ) { | |
819 | // Fit failed, return and remove cluster | |
820 | delete[] fitparameters ; | |
821 | return ; | |
822 | } | |
823 | ||
824 | // create ufolded rec points and fill them with new energy lists | |
825 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
826 | // and later correct this number in acordance with actual energy deposition | |
827 | ||
828 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
829 | Float_t * efit = new Float_t[nDigits] ; | |
830 | Float_t xDigit,zDigit,distance ; | |
831 | Float_t xpar,zpar,epar ; | |
832 | Int_t relid[4] ; | |
833 | AliPHOSDigit * digit ; | |
834 | Int_t * emcDigits = iniEmc->GetDigitsList() ; | |
835 | ||
836 | Int_t iparam ; | |
837 | Int_t iDigit ; | |
838 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
839 | digit = (AliPHOSDigit*) fDigits->At(emcDigits[iDigit] ) ; | |
840 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
841 | fGeom->RelPosInModule(relid, xDigit, zDigit) ; | |
842 | efit[iDigit] = 0; | |
843 | ||
844 | iparam = 0 ; | |
845 | while(iparam < nPar ){ | |
846 | xpar = fitparameters[iparam] ; | |
847 | zpar = fitparameters[iparam+1] ; | |
848 | epar = fitparameters[iparam+2] ; | |
849 | iparam += 3 ; | |
850 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
851 | distance = TMath::Sqrt(distance) ; | |
852 | efit[iDigit] += epar * ShowerShape(distance) ; | |
853 | } | |
854 | } | |
855 | ||
856 | ||
857 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
858 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
859 | // to its contribution to efit | |
860 | ||
861 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
862 | Float_t ratio ; | |
863 | ||
864 | iparam = 0 ; | |
865 | while(iparam < nPar ){ | |
866 | xpar = fitparameters[iparam] ; | |
867 | zpar = fitparameters[iparam+1] ; | |
868 | epar = fitparameters[iparam+2] ; | |
869 | iparam += 3 ; | |
870 | ||
871 | AliPHOSEmcRecPoint * emcRP ; | |
872 | ||
873 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
874 | ||
875 | if(fNumberOfEmcClusters >= fEmcRecPoints->GetSize()) | |
876 | fEmcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
877 | ||
878 | (*fEmcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint() ; | |
879 | emcRP = (AliPHOSEmcRecPoint *) fEmcRecPoints->At(fNumberOfEmcClusters); | |
880 | fNumberOfEmcClusters++ ; | |
881 | } | |
882 | else{//create new entries in fCpvRecPoints | |
883 | if(fNumberOfCpvClusters >= fCpvRecPoints->GetSize()) | |
884 | fCpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
885 | ||
886 | (*fCpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint() ; | |
887 | emcRP = (AliPHOSEmcRecPoint *) fCpvRecPoints->At(fNumberOfCpvClusters); | |
888 | fNumberOfCpvClusters++ ; | |
889 | } | |
890 | ||
891 | Float_t eDigit ; | |
892 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
893 | digit = (AliPHOSDigit*) fDigits->At( emcDigits[iDigit] ) ; | |
894 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
895 | fGeom->RelPosInModule(relid, xDigit, zDigit) ; | |
896 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
897 | distance = TMath::Sqrt(distance) ; | |
898 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
899 | eDigit = emcEnergies[iDigit] * ratio ; | |
900 | emcRP->AddDigit( *digit, eDigit ) ; | |
901 | } | |
902 | } | |
903 | ||
904 | delete[] fitparameters ; | |
905 | delete[] efit ; | |
906 | ||
907 | } | |
908 | ||
909 | //_____________________________________________________________________________ | |
910 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
911 | { | |
912 | // Calculates th Chi square for the cluster unfolding minimization | |
913 | // Number of parameters, Gradient, Chi squared, parameters, what to do | |
914 | ||
915 | ||
916 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; | |
917 | ||
918 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
919 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
920 | ||
921 | ||
922 | ||
923 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
924 | ||
925 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
926 | ||
927 | Int_t nOfDigits = emcRP->GetDigitsMultiplicity() ; | |
928 | ||
929 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
930 | ||
931 | AliPHOSGeometry * geom = AliPHOSGeometry::GetInstance() ; | |
932 | ||
933 | fret = 0. ; | |
934 | Int_t iparam ; | |
935 | ||
936 | if(iflag == 2) | |
937 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
938 | Grad[iparam] = 0 ; // Will evaluate gradient | |
939 | ||
940 | Double_t efit ; | |
941 | ||
942 | AliPHOSDigit * digit ; | |
943 | Int_t iDigit ; | |
944 | ||
945 | for( iDigit = 0 ; iDigit < nOfDigits ; iDigit++) { | |
946 | ||
947 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
948 | ||
949 | Int_t relid[4] ; | |
950 | Float_t xDigit ; | |
951 | Float_t zDigit ; | |
952 | ||
953 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
954 | ||
955 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
956 | ||
957 | if(iflag == 2){ // calculate gradient | |
958 | Int_t iParam = 0 ; | |
959 | efit = 0 ; | |
960 | while(iParam < nPar ){ | |
961 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
962 | iParam++ ; | |
963 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
964 | distance = TMath::Sqrt( distance ) ; | |
965 | iParam++ ; | |
966 | efit += x[iParam] * ShowerShape(distance) ; | |
967 | iParam++ ; | |
968 | } | |
969 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
970 | iParam = 0 ; | |
971 | while(iParam < nPar ){ | |
972 | Double_t xpar = x[iParam] ; | |
973 | Double_t zpar = x[iParam+1] ; | |
974 | Double_t epar = x[iParam+2] ; | |
975 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
976 | Double_t shape = sum * ShowerShape(dr) ; | |
977 | Double_t r4 = dr*dr*dr*dr ; | |
978 | Double_t r295 = TMath::Power(dr,2.95) ; | |
979 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
980 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
981 | ||
982 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
983 | iParam++ ; | |
984 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
985 | iParam++ ; | |
986 | Grad[iParam] += shape ; // Derivative over energy | |
987 | iParam++ ; | |
988 | } | |
989 | } | |
990 | efit = 0; | |
991 | iparam = 0 ; | |
992 | ||
993 | while(iparam < nPar ){ | |
994 | Double_t xpar = x[iparam] ; | |
995 | Double_t zpar = x[iparam+1] ; | |
996 | Double_t epar = x[iparam+2] ; | |
997 | iparam += 3 ; | |
998 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
999 | distance = TMath::Sqrt(distance) ; | |
1000 | efit += epar * ShowerShape(distance) ; | |
1001 | } | |
1002 | ||
1003 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
1004 | // Here we assume, that sigma = sqrt(E) | |
1005 | } | |
83974468 | 1006 | |
d15a28e7 | 1007 | } |
1008 | ||
1009 | //____________________________________________________________________________ | |
9a1398dd | 1010 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 1011 | { |
9a1398dd | 1012 | if(fIsInitialized){ |
1013 | ||
1014 | // Print parameters | |
1015 | ||
1016 | cout << "---------------"<< GetName() << " " << GetTitle()<< "-----------" << endl | |
1017 | << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl | |
1018 | << " Branch: " << fDigitsBranchTitle.Data() << endl | |
1019 | << endl | |
1020 | << " EMC Clustering threshold = " << fEmcClusteringThreshold << endl | |
1021 | << " EMC Local Maximum cut = " << fEmcLocMaxCut << endl | |
1022 | << " EMC Logarothmic weight = " << fW0 << endl | |
1023 | << endl | |
1024 | << " CPV Clustering threshold = " << fCpvClusteringThreshold << endl | |
1025 | << " CPV Local Maximum cut = " << fCpvLocMaxCut << endl | |
1026 | << " CPV Logarothmic weight = " << fW0CPV << endl | |
1027 | << endl | |
1028 | << " PPSD Clustering threshold = " << fPpsdClusteringThreshold << endl; | |
1029 | if(fToUnfold) | |
1030 | cout << " Unfolding on " << endl ; | |
1031 | else | |
1032 | cout << " Unfolding off " << endl ; | |
1033 | ||
1034 | cout << "------------------------------------------------------------------" <<endl ; | |
1035 | } | |
1036 | else | |
1037 | cout << " AliPHOSClusterizerv1 not initialized " << endl ; | |
1038 | } | |
1039 | //____________________________________________________________________________ | |
1040 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option){ | |
1041 | //Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
1042 | ||
1043 | cout << "AliPHOSClusterizerv1: " << endl ; | |
1044 | cout << " Found "<< fEmcRecPoints->GetEntriesFast() << " EMC Rec Points and " | |
1045 | << fCpvRecPoints->GetEntriesFast() << " CPV RecPoints" << endl ; | |
1046 | ||
1047 | if(strstr(option,"all")) { | |
1048 | cout << "EMC clusters " << endl ; | |
1049 | cout << " Index " | |
1050 | << " Ene(MeV) " | |
1051 | << " Multi " | |
1052 | << " Module " | |
1053 | << " X " | |
1054 | << " Y " | |
1055 | << " Z " | |
1056 | << " Lambda 1 " | |
1057 | << " Lambda 2 " | |
1058 | << " MaxEnergy " | |
1059 | << " # of prim " | |
1060 | << " Primaries list " << endl; | |
1061 | ||
1062 | Int_t index ; | |
1063 | for (index = 0 ; index < fEmcRecPoints->GetEntries() ; index++) { | |
1064 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )fEmcRecPoints->At(index) ; | |
1065 | ||
1066 | cout << setw(6) << rp->GetIndexInList() << " "; | |
1067 | cout << setw(6) << rp->GetEnergy() << " "; | |
1068 | cout << setw(6) << rp->GetMultiplicity()<< " "; | |
1069 | cout << setw(6) << rp->GetPHOSMod() << " "; | |
1070 | ||
1071 | TVector3 locpos; | |
1072 | rp->GetLocalPosition(locpos); | |
1073 | cout << setw(8) << locpos.X() << " "; | |
1074 | cout << setw(8) << locpos.Y() << " "; | |
1075 | cout << setw(8) << locpos.Z() << " "; | |
1076 | ||
1077 | Float_t lambda[2]; | |
1078 | rp->GetElipsAxis(lambda); | |
1079 | cout << setw(10)<< lambda[0] << " "; | |
1080 | cout << setw(10)<< lambda[1] << " "; | |
1081 | ||
1082 | ||
1083 | Int_t * primaries; | |
1084 | Int_t nprimaries; | |
1085 | primaries = rp->GetPrimaries(nprimaries); | |
1086 | cout << setw(8) << primaries << " "; | |
1087 | ||
1088 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1089 | cout << setw(4) << primaries[iprimary] << " "; | |
1090 | cout << endl; | |
1091 | } | |
1092 | cout << endl ; | |
1093 | ||
1094 | //Now plot PCV/PPSD recPoints | |
1095 | cout << "EMC clusters " << endl ; | |
1096 | cout << " Index " | |
1097 | << " Multi " | |
1098 | << " Module " | |
1099 | << " Layer " | |
1100 | << " X " | |
1101 | << " Y " | |
1102 | << " Z " | |
1103 | << " # of prim " | |
1104 | << " Primaries list " << endl; | |
1105 | ||
1106 | for (index = 0 ; index < fEmcRecPoints->GetEntries() ; index++) { | |
1107 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )fCpvRecPoints->At(index) ; | |
1108 | cout << setw(6) << rp->GetIndexInList() << " "; | |
1109 | cout << setw(6) << rp->GetPHOSMod() << " "; | |
1110 | ||
1111 | if( (strcmp(rp->ClassName() , "AliPHOSPpsdRecPoint" )) == 0){ | |
1112 | AliPHOSPpsdRecPoint * ppsd = (AliPHOSPpsdRecPoint*) rp ; | |
1113 | if(ppsd->GetUp()) | |
1114 | cout <<" CPV "; | |
1115 | else | |
1116 | cout <<" PPSD "; | |
1117 | } | |
1118 | else | |
1119 | cout <<" CPV "; | |
1120 | ||
1121 | TVector3 locpos; | |
1122 | rp->GetLocalPosition(locpos); | |
1123 | cout << setw(8) << locpos.X() << " "; | |
1124 | cout << setw(8) << locpos.Y() << " "; | |
1125 | cout << setw(8) << locpos.Z() << " "; | |
1126 | ||
1127 | Int_t * primaries; | |
1128 | Int_t nprimaries; | |
1129 | primaries = rp->GetPrimaries(nprimaries); | |
1130 | cout << setw(8) << primaries << " "; | |
1131 | ||
1132 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1133 | cout << setw(4) << primaries[iprimary] << " "; | |
1134 | cout << endl; | |
1135 | } | |
1136 | ||
1137 | ||
1138 | cout << "-------------------------------------------------"<<endl ; | |
1139 | } | |
d15a28e7 | 1140 | } |
9a1398dd | 1141 |