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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: | |
40 | // root [0] AliPHOSClusterizerv1 * cl = new AliPHOSClusterizerv1("galice.root") | |
41 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated | |
9a1398dd | 42 | // //reads gAlice from header file "..." |
a4e98857 | 43 | // root [1] cl->ExecuteTask() |
9a1398dd | 44 | // //finds RecPoints in all events stored in galice.root |
a4e98857 | 45 | // root [2] cl->SetDigitsBranch("digits2") |
f035f6ce | 46 | // //sets another title for Digitis (input) branch |
a4e98857 | 47 | // root [3] cl->SetRecPointsBranch("recp2") |
f035f6ce | 48 | // //sets another title four output branches |
a4e98857 | 49 | // root [4] cl->SetEmcLocalMaxCut(0.03) |
9a1398dd | 50 | // //set clusterization parameters |
a4e98857 | 51 | // root [5] cl->ExecuteTask("deb all time") |
9a1398dd | 52 | // //once more finds RecPoints options are |
53 | // // deb - print number of found rec points | |
54 | // // deb all - print number of found RecPoints and some their characteristics | |
55 | // // time - print benchmarking results | |
ed4205d8 | 56 | |
d15a28e7 | 57 | // --- ROOT system --- |
58 | ||
9a1398dd | 59 | #include "TROOT.h" |
60 | #include "TFile.h" | |
61 | #include "TFolder.h" | |
d15a28e7 | 62 | #include "TMath.h" |
9a1398dd | 63 | #include "TMinuit.h" |
64 | #include "TTree.h" | |
65 | #include "TSystem.h" | |
66 | #include "TBenchmark.h" | |
d15a28e7 | 67 | |
68 | // --- Standard library --- | |
69 | ||
de9ec31b | 70 | #include <iostream.h> |
9a1398dd | 71 | #include <iomanip.h> |
d15a28e7 | 72 | |
73 | // --- AliRoot header files --- | |
74 | ||
75 | #include "AliPHOSClusterizerv1.h" | |
9a1398dd | 76 | #include "AliPHOSCpvRecPoint.h" |
d15a28e7 | 77 | #include "AliPHOSDigit.h" |
9a1398dd | 78 | #include "AliPHOSDigitizer.h" |
d15a28e7 | 79 | #include "AliPHOSEmcRecPoint.h" |
9a1398dd | 80 | #include "AliPHOS.h" |
7b7c1533 | 81 | #include "AliPHOSGetter.h" |
9a1398dd | 82 | #include "AliRun.h" |
d15a28e7 | 83 | |
84 | ClassImp(AliPHOSClusterizerv1) | |
f035f6ce | 85 | |
d15a28e7 | 86 | //____________________________________________________________________________ |
7b7c1533 | 87 | AliPHOSClusterizerv1::AliPHOSClusterizerv1() : AliPHOSClusterizer() |
d15a28e7 | 88 | { |
f035f6ce | 89 | // default ctor (to be used mainly by Streamer) |
f035f6ce | 90 | |
9a1398dd | 91 | fNumberOfCpvClusters = 0 ; |
d15a28e7 | 92 | fNumberOfEmcClusters = 0 ; |
f035f6ce | 93 | |
9a1398dd | 94 | fCpvClusteringThreshold = 0.0; |
c3c187e5 | 95 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 96 | |
97 | fEmcLocMaxCut = 0.03 ; | |
98 | fCpvLocMaxCut = 0.03 ; | |
99 | ||
100 | fW0 = 4.5 ; | |
101 | fW0CPV = 4.0 ; | |
9a1398dd | 102 | |
9688c1dd | 103 | fEmcTimeGate = 1.e-8 ; |
104 | ||
105 | fToUnfold = kTRUE ; | |
106 | ||
7b7c1533 | 107 | fHeaderFileName = "" ; |
108 | fDigitsBranchTitle = "" ; | |
9688c1dd | 109 | fRecPointsInRun = 0 ; |
9a1398dd | 110 | } |
7b7c1533 | 111 | |
9a1398dd | 112 | //____________________________________________________________________________ |
7b7c1533 | 113 | AliPHOSClusterizerv1::AliPHOSClusterizerv1(const char* headerFile,const char* name) |
114 | :AliPHOSClusterizer(headerFile, name) | |
9a1398dd | 115 | { |
a4e98857 | 116 | // ctor with the indication of the file where header Tree and digits Tree are stored |
9a1398dd | 117 | |
7b7c1533 | 118 | |
9a1398dd | 119 | fNumberOfCpvClusters = 0 ; |
120 | fNumberOfEmcClusters = 0 ; | |
f035f6ce | 121 | |
ed4205d8 | 122 | fCpvClusteringThreshold = 0.0; |
9a1398dd | 123 | fEmcClusteringThreshold = 0.2; |
9a1398dd | 124 | |
125 | fEmcLocMaxCut = 0.03 ; | |
126 | fCpvLocMaxCut = 0.03 ; | |
127 | ||
d15a28e7 | 128 | fW0 = 4.5 ; |
c3c187e5 | 129 | fW0CPV = 4.0 ; |
9688c1dd | 130 | |
131 | fEmcTimeGate = 1.e-8 ; | |
9a1398dd | 132 | |
2bd5457f | 133 | fToUnfold = kTRUE ; |
9a1398dd | 134 | |
7b7c1533 | 135 | fHeaderFileName = GetTitle() ; |
136 | fDigitsBranchTitle = GetName() ; | |
9688c1dd | 137 | |
138 | TString clusterizerName( GetName()) ; | |
139 | clusterizerName.Append(":") ; | |
140 | clusterizerName.Append(Version()) ; | |
141 | SetName(clusterizerName) ; | |
2b60655b | 142 | fRecPointsInRun = 0 ; |
143 | ||
2bd5457f | 144 | Init() ; |
9a1398dd | 145 | |
146 | } | |
9688c1dd | 147 | //____________________________________________________________________________ |
148 | AliPHOSClusterizerv1::~AliPHOSClusterizerv1() | |
149 | { | |
150 | } | |
9a1398dd | 151 | //____________________________________________________________________________ |
a4e98857 | 152 | void AliPHOSClusterizerv1::Exec(Option_t * option) |
153 | { | |
7b7c1533 | 154 | // Steering method |
9a1398dd | 155 | |
7b7c1533 | 156 | if( strcmp(GetName(), "")== 0 ) |
157 | Init() ; | |
9a1398dd | 158 | |
159 | if(strstr(option,"tim")) | |
7d493c2c | 160 | gBenchmark->Start("PHOSClusterizer"); |
9a1398dd | 161 | |
7b7c1533 | 162 | if(strstr(option,"print")) |
163 | Print("") ; | |
164 | ||
127e12ac | 165 | gAlice->GetEvent(0) ; |
9688c1dd | 166 | |
167 | //check, if the branch with name of this" already exits? | |
7b7c1533 | 168 | TObjArray * lob = (TObjArray*)gAlice->TreeR()->GetListOfBranches() ; |
169 | TIter next(lob) ; | |
170 | TBranch * branch = 0 ; | |
171 | Bool_t phosemcfound = kFALSE, phoscpvfound = kFALSE, clusterizerfound = kFALSE ; | |
7b7c1533 | 172 | |
9688c1dd | 173 | TString branchname = GetName() ; |
174 | branchname.Remove(branchname.Index(Version())-1) ; | |
175 | ||
7b7c1533 | 176 | while ( (branch = (TBranch*)next()) && (!phosemcfound || !phoscpvfound || !clusterizerfound) ) { |
9688c1dd | 177 | if ( (strcmp(branch->GetName(), "PHOSEmcRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 178 | phosemcfound = kTRUE ; |
179 | ||
9688c1dd | 180 | else if ( (strcmp(branch->GetName(), "PHOSCpvRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) ) |
7b7c1533 | 181 | phoscpvfound = kTRUE ; |
182 | ||
9688c1dd | 183 | else if ((strcmp(branch->GetName(), "AliPHOSClusterizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) ) |
7b7c1533 | 184 | clusterizerfound = kTRUE ; |
185 | } | |
186 | ||
187 | if ( phoscpvfound || phosemcfound || clusterizerfound ) { | |
188 | cerr << "WARNING: AliPHOSClusterizer::Exec -> Emc(Cpv)RecPoints and/or Clusterizer branch with name " | |
9688c1dd | 189 | << branchname.Data() << " already exits" << endl ; |
7b7c1533 | 190 | return ; |
191 | } | |
192 | ||
127e12ac | 193 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
7b7c1533 | 194 | Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ; |
195 | Int_t ievent ; | |
196 | ||
197 | for(ievent = 0; ievent < nevents; ievent++){ | |
01a599c9 | 198 | |
127e12ac | 199 | |
9688c1dd | 200 | fPedestal = gime->Digitizer(branchname)->GetPedestal() ; |
201 | fSlope = gime->Digitizer(branchname)->GetSlope() ; | |
127e12ac | 202 | |
203 | ||
204 | fNumberOfEmcClusters = 0 ; | |
205 | fNumberOfCpvClusters = 0 ; | |
206 | ||
207 | gime->Event(ievent,"D") ; | |
9688c1dd | 208 | |
209 | // if(!ReadDigits(ievent)) continue; //reads digits for event ievent | |
210 | ||
9a1398dd | 211 | MakeClusters() ; |
212 | ||
9688c1dd | 213 | if(fToUnfold) MakeUnfolding() ; |
7b7c1533 | 214 | |
215 | WriteRecPoints(ievent) ; | |
216 | ||
9688c1dd | 217 | if(strstr(option,"deb")) PrintRecPoints(option) ; |
9a1398dd | 218 | } |
219 | ||
220 | if(strstr(option,"tim")){ | |
221 | gBenchmark->Stop("PHOSClusterizer"); | |
222 | cout << "AliPHOSClusterizer:" << endl ; | |
223 | cout << " took " << gBenchmark->GetCpuTime("PHOSClusterizer") << " seconds for Clusterizing " | |
7b7c1533 | 224 | << gBenchmark->GetCpuTime("PHOSClusterizer")/nevents << " seconds per event " << endl ; |
9a1398dd | 225 | cout << endl ; |
226 | } | |
227 | ||
9a1398dd | 228 | } |
229 | ||
230 | //____________________________________________________________________________ | |
231 | Bool_t AliPHOSClusterizerv1::FindFit(AliPHOSEmcRecPoint * emcRP, int * maxAt, Float_t * maxAtEnergy, | |
d1de15f5 | 232 | Int_t nPar, Float_t * fitparameters) const |
9a1398dd | 233 | { |
234 | // Calls TMinuit to fit the energy distribution of a cluster with several maxima | |
a4e98857 | 235 | // The initial values for fitting procedure are set equal to the positions of local maxima. |
f035f6ce | 236 | // Cluster will be fitted as a superposition of nPar/3 electromagnetic showers |
9a1398dd | 237 | |
7b7c1533 | 238 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
239 | TClonesArray * digits = gime->Digits() ; | |
240 | ||
241 | ||
9a1398dd | 242 | gMinuit->mncler(); // Reset Minuit's list of paramters |
243 | gMinuit->SetPrintLevel(-1) ; // No Printout | |
244 | gMinuit->SetFCN(AliPHOSClusterizerv1::UnfoldingChiSquare) ; | |
245 | // To set the address of the minimization function | |
246 | ||
247 | TList * toMinuit = new TList(); | |
248 | toMinuit->AddAt(emcRP,0) ; | |
7b7c1533 | 249 | toMinuit->AddAt(digits,1) ; |
9a1398dd | 250 | |
251 | gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare | |
252 | ||
253 | // filling initial values for fit parameters | |
254 | AliPHOSDigit * digit ; | |
255 | ||
256 | Int_t ierflg = 0; | |
257 | Int_t index = 0 ; | |
258 | Int_t nDigits = (Int_t) nPar / 3 ; | |
259 | ||
260 | Int_t iDigit ; | |
261 | ||
7b7c1533 | 262 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; |
9a1398dd | 263 | |
264 | for(iDigit = 0; iDigit < nDigits; iDigit++){ | |
265 | digit = (AliPHOSDigit *) maxAt[iDigit]; | |
266 | ||
267 | Int_t relid[4] ; | |
7b7c1533 | 268 | Float_t x = 0.; |
269 | Float_t z = 0.; | |
270 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
271 | geom->RelPosInModule(relid, x, z) ; | |
9a1398dd | 272 | |
273 | Float_t energy = maxAtEnergy[iDigit] ; | |
274 | ||
275 | gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ; | |
276 | index++ ; | |
277 | if(ierflg != 0){ | |
278 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ; | |
279 | return kFALSE; | |
280 | } | |
281 | gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ; | |
282 | index++ ; | |
283 | if(ierflg != 0){ | |
284 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ; | |
285 | return kFALSE; | |
286 | } | |
287 | gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ; | |
288 | index++ ; | |
289 | if(ierflg != 0){ | |
290 | cout << "PHOS Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ; | |
291 | return kFALSE; | |
292 | } | |
293 | } | |
294 | ||
295 | Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly | |
296 | // depends on it. | |
297 | Double_t p1 = 1.0 ; | |
298 | Double_t p2 = 0.0 ; | |
299 | ||
300 | gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls | |
301 | gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient | |
302 | gMinuit->SetMaxIterations(5); | |
303 | gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings | |
304 | ||
305 | gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize | |
306 | ||
307 | if(ierflg == 4){ // Minimum not found | |
308 | cout << "PHOS Unfolding> Fit not converged, cluster abandoned "<< endl ; | |
309 | return kFALSE ; | |
310 | } | |
311 | for(index = 0; index < nPar; index++){ | |
312 | Double_t err ; | |
313 | Double_t val ; | |
314 | gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index | |
315 | fitparameters[index] = val ; | |
316 | } | |
317 | ||
318 | delete toMinuit ; | |
319 | return kTRUE; | |
c3c187e5 | 320 | |
d15a28e7 | 321 | } |
322 | ||
323 | //____________________________________________________________________________ | |
a4e98857 | 324 | void AliPHOSClusterizerv1::Init() |
325 | { | |
2bd5457f | 326 | // Make all memory allocations which can not be done in default constructor. |
327 | // Attach the Clusterizer task to the list of PHOS tasks | |
7b7c1533 | 328 | |
329 | if ( strcmp(GetTitle(), "") == 0 ) | |
330 | SetTitle("galice.root") ; | |
2bd5457f | 331 | |
9688c1dd | 332 | TString branchname = GetName() ; |
333 | branchname.Remove(branchname.Index(Version())-1) ; | |
9a1398dd | 334 | |
9688c1dd | 335 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), branchname) ; |
7b7c1533 | 336 | if ( gime == 0 ) { |
337 | cerr << "ERROR: AliPHOSClusterizerv1::Init -> Could not obtain the Getter object !" << endl ; | |
338 | return ; | |
339 | } | |
340 | ||
341 | if(!gMinuit) | |
342 | gMinuit = new TMinuit(100) ; | |
343 | ||
127e12ac | 344 | gime->PostClusterizer(this) ; |
7b7c1533 | 345 | // create a folder on the white board //YSAlice/WhiteBoard/RecPoints/PHOS/recpointsName |
9688c1dd | 346 | gime->PostRecPoints(branchname ) ; |
127e12ac | 347 | |
9688c1dd | 348 | gime->PostDigits(branchname) ; |
349 | gime->PostDigitizer(branchname) ; | |
7b7c1533 | 350 | |
9a1398dd | 351 | } |
7b7c1533 | 352 | |
9a1398dd | 353 | //____________________________________________________________________________ |
354 | Int_t AliPHOSClusterizerv1::AreNeighbours(AliPHOSDigit * d1, AliPHOSDigit * d2)const | |
d15a28e7 | 355 | { |
b2a60966 | 356 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching |
357 | // = 1 are neighbour | |
358 | // = 2 are not neighbour but do not continue searching | |
a4e98857 | 359 | // neighbours are defined as digits having at least a common vertex |
b2a60966 | 360 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster |
361 | // which is compared to a digit (d2) not yet in a cluster | |
362 | ||
7b7c1533 | 363 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
364 | ||
d15a28e7 | 365 | Int_t rv = 0 ; |
366 | ||
d15a28e7 | 367 | Int_t relid1[4] ; |
7b7c1533 | 368 | geom->AbsToRelNumbering(d1->GetId(), relid1) ; |
d15a28e7 | 369 | |
370 | Int_t relid2[4] ; | |
7b7c1533 | 371 | geom->AbsToRelNumbering(d2->GetId(), relid2) ; |
d15a28e7 | 372 | |
9688c1dd | 373 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module |
92862013 | 374 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
375 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 376 | |
92862013 | 377 | if (( coldiff <= 1 ) && ( rowdiff <= 1 )){ |
9688c1dd | 378 | if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fEmcTimeGate)) |
d15a28e7 | 379 | rv = 1 ; |
380 | } | |
381 | else { | |
382 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
383 | rv = 2; // Difference in row numbers is too large to look further | |
384 | } | |
385 | ||
386 | } | |
387 | else { | |
388 | ||
9688c1dd | 389 | if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) ) |
d15a28e7 | 390 | rv=2 ; |
391 | ||
392 | } | |
d72dfbc3 | 393 | |
d15a28e7 | 394 | return rv ; |
395 | } | |
396 | ||
d15a28e7 | 397 | |
398 | //____________________________________________________________________________ | |
9a1398dd | 399 | Bool_t AliPHOSClusterizerv1::IsInEmc(AliPHOSDigit * digit) const |
d15a28e7 | 400 | { |
b2a60966 | 401 | // Tells if (true) or not (false) the digit is in a PHOS-EMC module |
402 | ||
9f616d61 | 403 | Bool_t rv = kFALSE ; |
7b7c1533 | 404 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
d15a28e7 | 405 | |
d15a28e7 | 406 | Int_t relid[4] ; |
7b7c1533 | 407 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
d15a28e7 | 408 | |
ed4205d8 | 409 | if ( relid[1] == 0 ) rv = kTRUE; |
410 | ||
411 | return rv ; | |
412 | } | |
413 | ||
ed4205d8 | 414 | //____________________________________________________________________________ |
9a1398dd | 415 | Bool_t AliPHOSClusterizerv1::IsInCpv(AliPHOSDigit * digit) const |
ed4205d8 | 416 | { |
fad3e5b9 | 417 | // Tells if (true) or not (false) the digit is in a PHOS-CPV module |
ed4205d8 | 418 | |
419 | Bool_t rv = kFALSE ; | |
7b7c1533 | 420 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
ed4205d8 | 421 | |
422 | Int_t relid[4] ; | |
7b7c1533 | 423 | geom->AbsToRelNumbering(digit->GetId(), relid) ; |
ed4205d8 | 424 | |
9688c1dd | 425 | if ( relid[1] != 0 ) rv = kTRUE; |
d15a28e7 | 426 | |
427 | return rv ; | |
428 | } | |
9a1398dd | 429 | |
430 | //____________________________________________________________________________ | |
7b7c1533 | 431 | void AliPHOSClusterizerv1::WriteRecPoints(Int_t event) |
a4e98857 | 432 | { |
7b7c1533 | 433 | |
434 | // Creates new branches with given title | |
a4e98857 | 435 | // fills and writes into TreeR. |
9688c1dd | 436 | |
437 | TString branchName(GetName() ) ; | |
438 | branchName.Remove(branchName.Index(Version())-1) ; | |
439 | ||
7b7c1533 | 440 | AliPHOSGetter *gime = AliPHOSGetter::GetInstance() ; |
127e12ac | 441 | TObjArray * emcRecPoints = gime->EmcRecPoints(branchName) ; |
442 | TObjArray * cpvRecPoints = gime->CpvRecPoints(branchName) ; | |
443 | TClonesArray * digits = gime->Digits(branchName) ; | |
7b7c1533 | 444 | |
9a1398dd | 445 | Int_t index ; |
01a599c9 | 446 | //Evaluate position, dispersion and other RecPoint properties... |
7b7c1533 | 447 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
448 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->EvalAll(fW0,digits) ; | |
9a1398dd | 449 | |
7b7c1533 | 450 | emcRecPoints->Sort() ; |
9a1398dd | 451 | |
7b7c1533 | 452 | for(index = 0; index < emcRecPoints->GetEntries(); index++) |
453 | ((AliPHOSEmcRecPoint *)emcRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 454 | |
7b7c1533 | 455 | emcRecPoints->Expand(emcRecPoints->GetEntriesFast()) ; |
761e34c0 | 456 | |
9a1398dd | 457 | //Now the same for CPV |
7b7c1533 | 458 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
459 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->EvalAll(fW0CPV,digits) ; | |
9a1398dd | 460 | |
7b7c1533 | 461 | cpvRecPoints->Sort() ; |
9a1398dd | 462 | |
7b7c1533 | 463 | for(index = 0; index < cpvRecPoints->GetEntries(); index++) |
464 | ((AliPHOSRecPoint *)cpvRecPoints->At(index))->SetIndexInList(index) ; | |
9a1398dd | 465 | |
7b7c1533 | 466 | cpvRecPoints->Expand(cpvRecPoints->GetEntriesFast()) ; |
9a1398dd | 467 | |
9a1398dd | 468 | //Make branches in TreeR for RecPoints and Clusterizer |
469 | char * filename = 0; | |
470 | if(gSystem->Getenv("CONFIG_SPLIT_FILE")!=0){ //generating file name | |
471 | filename = new char[strlen(gAlice->GetBaseFile())+20] ; | |
472 | sprintf(filename,"%s/PHOS.Reco.root",gAlice->GetBaseFile()) ; | |
473 | } | |
474 | ||
475 | //Make new branches | |
476 | TDirectory *cwd = gDirectory; | |
477 | ||
7b7c1533 | 478 | |
9a1398dd | 479 | Int_t bufferSize = 32000 ; |
480 | Int_t splitlevel = 0 ; | |
01a599c9 | 481 | |
482 | //First EMC | |
7b7c1533 | 483 | TBranch * emcBranch = gAlice->TreeR()->Branch("PHOSEmcRP","TObjArray",&emcRecPoints,bufferSize,splitlevel); |
484 | emcBranch->SetTitle(branchName); | |
9a1398dd | 485 | if (filename) { |
486 | emcBranch->SetFile(filename); | |
487 | TIter next( emcBranch->GetListOfBranches()); | |
761e34c0 | 488 | TBranch * sb ; |
489 | while ((sb=(TBranch*)next())) { | |
490 | sb->SetFile(filename); | |
9a1398dd | 491 | } |
01a599c9 | 492 | |
9a1398dd | 493 | cwd->cd(); |
494 | } | |
495 | ||
496 | //Now CPV branch | |
7b7c1533 | 497 | TBranch * cpvBranch = gAlice->TreeR()->Branch("PHOSCpvRP","TObjArray",&cpvRecPoints,bufferSize,splitlevel); |
498 | cpvBranch->SetTitle(branchName); | |
9a1398dd | 499 | if (filename) { |
500 | cpvBranch->SetFile(filename); | |
501 | TIter next( cpvBranch->GetListOfBranches()); | |
761e34c0 | 502 | TBranch * sb; |
503 | while ((sb=(TBranch*)next())) { | |
504 | sb->SetFile(filename); | |
9a1398dd | 505 | } |
506 | cwd->cd(); | |
507 | } | |
508 | ||
509 | //And Finally clusterizer branch | |
127e12ac | 510 | AliPHOSClusterizerv1 * cl = (AliPHOSClusterizerv1*)gime->Clusterizer(branchName) ; |
7b7c1533 | 511 | TBranch * clusterizerBranch = gAlice->TreeR()->Branch("AliPHOSClusterizer","AliPHOSClusterizerv1", |
9a1398dd | 512 | &cl,bufferSize,splitlevel); |
7b7c1533 | 513 | clusterizerBranch->SetTitle(branchName); |
9a1398dd | 514 | if (filename) { |
515 | clusterizerBranch->SetFile(filename); | |
516 | TIter next( clusterizerBranch->GetListOfBranches()); | |
761e34c0 | 517 | TBranch * sb ; |
518 | while ((sb=(TBranch*)next())) { | |
519 | sb->SetFile(filename); | |
9a1398dd | 520 | } |
521 | cwd->cd(); | |
522 | } | |
01a599c9 | 523 | emcBranch ->Fill() ; |
524 | cpvBranch ->Fill() ; | |
761e34c0 | 525 | clusterizerBranch->Fill() ; |
eec3ac52 | 526 | |
9a1398dd | 527 | gAlice->TreeR()->Write(0,kOverwrite) ; |
528 | ||
529 | } | |
530 | ||
531 | //____________________________________________________________________________ | |
532 | void AliPHOSClusterizerv1::MakeClusters() | |
533 | { | |
534 | // Steering method to construct the clusters stored in a list of Reconstructed Points | |
535 | // A cluster is defined as a list of neighbour digits | |
127e12ac | 536 | TString branchName(GetName()) ; |
537 | branchName.Remove(branchName.Index(Version())-1) ; | |
d15a28e7 | 538 | |
7b7c1533 | 539 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
540 | ||
127e12ac | 541 | TObjArray * emcRecPoints = gime->EmcRecPoints(branchName) ; |
542 | TObjArray * cpvRecPoints = gime->CpvRecPoints(branchName) ; | |
7d493c2c | 543 | emcRecPoints->Delete() ; |
544 | cpvRecPoints->Delete() ; | |
7b7c1533 | 545 | |
127e12ac | 546 | TClonesArray * digits = gime->Digits(branchName) ; |
7b7c1533 | 547 | TClonesArray * digitsC = (TClonesArray*)digits->Clone() ; |
548 | ||
549 | ||
d15a28e7 | 550 | // Clusterization starts |
9a1398dd | 551 | |
7b7c1533 | 552 | TIter nextdigit(digitsC) ; |
d15a28e7 | 553 | AliPHOSDigit * digit ; |
92862013 | 554 | Bool_t notremoved = kTRUE ; |
6ad0bfa0 | 555 | |
7b7c1533 | 556 | while ( (digit = (AliPHOSDigit *)nextdigit()) ) { // scan over the list of digitsC |
9a1398dd | 557 | AliPHOSRecPoint * clu = 0 ; |
c161df70 | 558 | |
d1de15f5 | 559 | TArrayI clusterdigitslist(1500) ; |
d15a28e7 | 560 | Int_t index ; |
f2bc1b87 | 561 | |
b73f246d | 562 | if (( IsInEmc (digit) && Calibrate(digit->GetAmp()) > fEmcClusteringThreshold ) || |
b73f246d | 563 | ( IsInCpv (digit) && Calibrate(digit->GetAmp()) > fCpvClusteringThreshold ) ) { |
f2bc1b87 | 564 | |
d15a28e7 | 565 | Int_t iDigitInCluster = 0 ; |
7b7c1533 | 566 | |
6ad0bfa0 | 567 | if ( IsInEmc(digit) ) { |
83974468 | 568 | // start a new EMC RecPoint |
7b7c1533 | 569 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
570 | emcRecPoints->Expand(2*fNumberOfEmcClusters+1) ; | |
571 | ||
572 | emcRecPoints->AddAt(new AliPHOSEmcRecPoint(), fNumberOfEmcClusters) ; | |
573 | clu = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters) ; | |
7f5d510c | 574 | fNumberOfEmcClusters++ ; |
9f616d61 | 575 | clu->AddDigit(*digit, Calibrate(digit->GetAmp())) ; |
9a1398dd | 576 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 577 | iDigitInCluster++ ; |
7b7c1533 | 578 | digitsC->Remove(digit) ; |
ca77b032 | 579 | |
d72dfbc3 | 580 | } else { |
83974468 | 581 | |
9688c1dd | 582 | // start a new CPV cluster |
7b7c1533 | 583 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
584 | cpvRecPoints->Expand(2*fNumberOfCpvClusters+1); | |
585 | ||
9688c1dd | 586 | cpvRecPoints->AddAt(new AliPHOSCpvRecPoint(), fNumberOfCpvClusters) ; |
fad3e5b9 | 587 | |
9688c1dd | 588 | clu = (AliPHOSCpvRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters) ; |
7b7c1533 | 589 | fNumberOfCpvClusters++ ; |
6ad0bfa0 | 590 | clu->AddDigit(*digit, Calibrate(digit->GetAmp()) ) ; |
9a1398dd | 591 | clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ; |
9f616d61 | 592 | iDigitInCluster++ ; |
7b7c1533 | 593 | digitsC->Remove(digit) ; |
d15a28e7 | 594 | nextdigit.Reset() ; |
595 | ||
7b7c1533 | 596 | // Here we remove remaining EMC digits, which cannot make a cluster |
fad3e5b9 | 597 | |
92862013 | 598 | if( notremoved ) { |
9f616d61 | 599 | while( ( digit = (AliPHOSDigit *)nextdigit() ) ) { |
9f616d61 | 600 | if( IsInEmc(digit) ) |
7b7c1533 | 601 | digitsC->Remove(digit) ; |
d15a28e7 | 602 | else |
603 | break ; | |
d72dfbc3 | 604 | } |
605 | notremoved = kFALSE ; | |
606 | } | |
d15a28e7 | 607 | |
608 | } // else | |
609 | ||
610 | nextdigit.Reset() ; | |
fad3e5b9 | 611 | |
d15a28e7 | 612 | AliPHOSDigit * digitN ; |
613 | index = 0 ; | |
9f616d61 | 614 | while (index < iDigitInCluster){ // scan over digits already in cluster |
7b7c1533 | 615 | digit = (AliPHOSDigit*)digits->At(clusterdigitslist[index]) ; |
9f616d61 | 616 | index++ ; |
d15a28e7 | 617 | while ( (digitN = (AliPHOSDigit *)nextdigit()) ) { // scan over the reduced list of digits |
d72dfbc3 | 618 | Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!! |
d15a28e7 | 619 | switch (ineb ) { |
9f616d61 | 620 | case 0 : // not a neighbour |
d72dfbc3 | 621 | break ; |
9f616d61 | 622 | case 1 : // are neighbours |
83974468 | 623 | clu->AddDigit(*digitN, Calibrate( digitN->GetAmp() ) ) ; |
9a1398dd | 624 | clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ; |
9f616d61 | 625 | iDigitInCluster++ ; |
7b7c1533 | 626 | digitsC->Remove(digitN) ; |
d15a28e7 | 627 | break ; |
9f616d61 | 628 | case 2 : // too far from each other |
d15a28e7 | 629 | goto endofloop; |
630 | } // switch | |
631 | ||
632 | } // while digitN | |
fad3e5b9 | 633 | |
d15a28e7 | 634 | endofloop: ; |
635 | nextdigit.Reset() ; | |
636 | ||
637 | } // loop over cluster | |
ad8cfaf4 | 638 | |
ad8cfaf4 | 639 | } // energy theshold |
ad8cfaf4 | 640 | |
31aa6d6c | 641 | |
d15a28e7 | 642 | } // while digit |
643 | ||
7b7c1533 | 644 | delete digitsC ; |
9688c1dd | 645 | |
9a1398dd | 646 | } |
647 | ||
648 | //____________________________________________________________________________ | |
a4e98857 | 649 | void AliPHOSClusterizerv1::MakeUnfolding() |
650 | { | |
651 | // Unfolds clusters using the shape of an ElectroMagnetic shower | |
9688c1dd | 652 | // Performs unfolding of all EMC/CPV clusters |
9a1398dd | 653 | |
7b7c1533 | 654 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
655 | ||
656 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
657 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
658 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
659 | TClonesArray * digits = gime->Digits() ; | |
660 | ||
a4e98857 | 661 | // Unfold first EMC clusters |
9a1398dd | 662 | if(fNumberOfEmcClusters > 0){ |
663 | ||
7b7c1533 | 664 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 665 | |
666 | Int_t numberofNotUnfolded = fNumberOfEmcClusters ; | |
667 | Int_t index ; | |
668 | for(index = 0 ; index < numberofNotUnfolded ; index++){ | |
669 | ||
7b7c1533 | 670 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint *) emcRecPoints->At(index) ; |
9a1398dd | 671 | if(emcRecPoint->GetPHOSMod()> nModulesToUnfold) |
672 | break ; | |
673 | ||
674 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
675 | Int_t * maxAt = new Int_t[nMultipl] ; | |
676 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
7b7c1533 | 677 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fEmcLocMaxCut,digits) ; |
9a1398dd | 678 | |
679 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
680 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 681 | emcRecPoints->Remove(emcRecPoint); |
682 | emcRecPoints->Compress() ; | |
9a1398dd | 683 | index-- ; |
684 | fNumberOfEmcClusters -- ; | |
685 | numberofNotUnfolded-- ; | |
686 | } | |
687 | ||
688 | delete[] maxAt ; | |
689 | delete[] maxAtEnergy ; | |
690 | } | |
691 | } | |
a4e98857 | 692 | // Unfolding of EMC clusters finished |
9a1398dd | 693 | |
694 | ||
a4e98857 | 695 | // Unfold now CPV clusters |
9a1398dd | 696 | if(fNumberOfCpvClusters > 0){ |
697 | ||
9688c1dd | 698 | Int_t nModulesToUnfold = geom->GetNModules() ; |
9a1398dd | 699 | |
700 | Int_t numberofCpvNotUnfolded = fNumberOfCpvClusters ; | |
701 | Int_t index ; | |
702 | for(index = 0 ; index < numberofCpvNotUnfolded ; index++){ | |
703 | ||
7b7c1533 | 704 | AliPHOSRecPoint * recPoint = (AliPHOSRecPoint *) cpvRecPoints->At(index) ; |
9a1398dd | 705 | |
706 | if(recPoint->GetPHOSMod()> nModulesToUnfold) | |
707 | break ; | |
708 | ||
709 | AliPHOSEmcRecPoint * emcRecPoint = (AliPHOSEmcRecPoint*) recPoint ; | |
710 | ||
711 | Int_t nMultipl = emcRecPoint->GetMultiplicity() ; | |
712 | Int_t * maxAt = new Int_t[nMultipl] ; | |
713 | Float_t * maxAtEnergy = new Float_t[nMultipl] ; | |
7b7c1533 | 714 | Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fCpvLocMaxCut,digits) ; |
9a1398dd | 715 | |
716 | if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0 | |
717 | UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ; | |
7b7c1533 | 718 | cpvRecPoints->Remove(emcRecPoint); |
719 | cpvRecPoints->Compress() ; | |
9a1398dd | 720 | index-- ; |
721 | numberofCpvNotUnfolded-- ; | |
722 | fNumberOfCpvClusters-- ; | |
723 | } | |
724 | ||
725 | delete[] maxAt ; | |
726 | delete[] maxAtEnergy ; | |
727 | } | |
728 | } | |
729 | //Unfolding of Cpv clusters finished | |
730 | ||
731 | } | |
732 | ||
9a1398dd | 733 | //____________________________________________________________________________ |
734 | Double_t AliPHOSClusterizerv1::ShowerShape(Double_t r) | |
735 | { | |
736 | // Shape of the shower (see PHOS TDR) | |
a4e98857 | 737 | // If you change this function, change also the gradient evaluation in ChiSquare() |
9a1398dd | 738 | |
739 | Double_t r4 = r*r*r*r ; | |
740 | Double_t r295 = TMath::Power(r, 2.95) ; | |
741 | Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ; | |
742 | return shape ; | |
743 | } | |
744 | ||
745 | //____________________________________________________________________________ | |
746 | void AliPHOSClusterizerv1::UnfoldCluster(AliPHOSEmcRecPoint * iniEmc, | |
747 | Int_t nMax, | |
748 | int * maxAt, | |
749 | Float_t * maxAtEnergy) | |
750 | { | |
751 | // Performs the unfolding of a cluster with nMax overlapping showers | |
752 | ||
7b7c1533 | 753 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
754 | const AliPHOSGeometry * geom = gime->PHOSGeometry() ; | |
755 | TClonesArray * digits = gime->Digits() ; | |
756 | TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
757 | TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
758 | ||
9a1398dd | 759 | Int_t nPar = 3 * nMax ; |
760 | Float_t * fitparameters = new Float_t[nPar] ; | |
761 | ||
762 | Bool_t rv = FindFit(iniEmc, maxAt, maxAtEnergy, nPar, fitparameters) ; | |
763 | if( !rv ) { | |
764 | // Fit failed, return and remove cluster | |
765 | delete[] fitparameters ; | |
766 | return ; | |
767 | } | |
768 | ||
769 | // create ufolded rec points and fill them with new energy lists | |
770 | // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[] | |
771 | // and later correct this number in acordance with actual energy deposition | |
772 | ||
773 | Int_t nDigits = iniEmc->GetMultiplicity() ; | |
774 | Float_t * efit = new Float_t[nDigits] ; | |
7b7c1533 | 775 | Float_t xDigit=0.,zDigit=0.,distance=0. ; |
776 | Float_t xpar=0.,zpar=0.,epar=0. ; | |
9a1398dd | 777 | Int_t relid[4] ; |
7b7c1533 | 778 | AliPHOSDigit * digit = 0 ; |
9a1398dd | 779 | Int_t * emcDigits = iniEmc->GetDigitsList() ; |
780 | ||
781 | Int_t iparam ; | |
782 | Int_t iDigit ; | |
783 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 784 | digit = (AliPHOSDigit*) digits->At(emcDigits[iDigit] ) ; |
785 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
786 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 787 | efit[iDigit] = 0; |
788 | ||
789 | iparam = 0 ; | |
790 | while(iparam < nPar ){ | |
791 | xpar = fitparameters[iparam] ; | |
792 | zpar = fitparameters[iparam+1] ; | |
793 | epar = fitparameters[iparam+2] ; | |
794 | iparam += 3 ; | |
795 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
796 | distance = TMath::Sqrt(distance) ; | |
797 | efit[iDigit] += epar * ShowerShape(distance) ; | |
798 | } | |
799 | } | |
800 | ||
801 | ||
802 | // Now create new RecPoints and fill energy lists with efit corrected to fluctuations | |
803 | // so that energy deposited in each cell is distributed betwin new clusters proportionally | |
804 | // to its contribution to efit | |
805 | ||
806 | Float_t * emcEnergies = iniEmc->GetEnergiesList() ; | |
807 | Float_t ratio ; | |
808 | ||
809 | iparam = 0 ; | |
810 | while(iparam < nPar ){ | |
811 | xpar = fitparameters[iparam] ; | |
812 | zpar = fitparameters[iparam+1] ; | |
813 | epar = fitparameters[iparam+2] ; | |
814 | iparam += 3 ; | |
815 | ||
7b7c1533 | 816 | AliPHOSEmcRecPoint * emcRP = 0 ; |
9a1398dd | 817 | |
818 | if(iniEmc->IsEmc()){ //create new entries in fEmcRecPoints... | |
819 | ||
7b7c1533 | 820 | if(fNumberOfEmcClusters >= emcRecPoints->GetSize()) |
821 | emcRecPoints->Expand(2*fNumberOfEmcClusters) ; | |
9a1398dd | 822 | |
7b7c1533 | 823 | (*emcRecPoints)[fNumberOfEmcClusters] = new AliPHOSEmcRecPoint() ; |
824 | emcRP = (AliPHOSEmcRecPoint *) emcRecPoints->At(fNumberOfEmcClusters); | |
9a1398dd | 825 | fNumberOfEmcClusters++ ; |
826 | } | |
827 | else{//create new entries in fCpvRecPoints | |
7b7c1533 | 828 | if(fNumberOfCpvClusters >= cpvRecPoints->GetSize()) |
829 | cpvRecPoints->Expand(2*fNumberOfCpvClusters) ; | |
9a1398dd | 830 | |
7b7c1533 | 831 | (*cpvRecPoints)[fNumberOfCpvClusters] = new AliPHOSCpvRecPoint() ; |
832 | emcRP = (AliPHOSEmcRecPoint *) cpvRecPoints->At(fNumberOfCpvClusters); | |
9a1398dd | 833 | fNumberOfCpvClusters++ ; |
834 | } | |
835 | ||
836 | Float_t eDigit ; | |
837 | for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){ | |
7b7c1533 | 838 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; |
839 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
840 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
9a1398dd | 841 | distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; |
842 | distance = TMath::Sqrt(distance) ; | |
843 | ratio = epar * ShowerShape(distance) / efit[iDigit] ; | |
844 | eDigit = emcEnergies[iDigit] * ratio ; | |
845 | emcRP->AddDigit( *digit, eDigit ) ; | |
846 | } | |
847 | } | |
848 | ||
849 | delete[] fitparameters ; | |
850 | delete[] efit ; | |
851 | ||
852 | } | |
853 | ||
854 | //_____________________________________________________________________________ | |
855 | void AliPHOSClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag) | |
856 | { | |
a4e98857 | 857 | // Calculates the Chi square for the cluster unfolding minimization |
9a1398dd | 858 | // Number of parameters, Gradient, Chi squared, parameters, what to do |
859 | ||
860 | ||
861 | TList * toMinuit = (TList*) gMinuit->GetObjectFit() ; | |
862 | ||
863 | AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint*) toMinuit->At(0) ; | |
864 | TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ; | |
865 | ||
866 | ||
867 | ||
868 | // AliPHOSEmcRecPoint * emcRP = (AliPHOSEmcRecPoint *) gMinuit->GetObjectFit() ; // EmcRecPoint to fit | |
869 | ||
870 | Int_t * emcDigits = emcRP->GetDigitsList() ; | |
871 | ||
7b7c1533 | 872 | Int_t nOdigits = emcRP->GetDigitsMultiplicity() ; |
9a1398dd | 873 | |
874 | Float_t * emcEnergies = emcRP->GetEnergiesList() ; | |
875 | ||
01a599c9 | 876 | const AliPHOSGeometry * geom = AliPHOSGetter::GetInstance()->PHOSGeometry() ; |
9a1398dd | 877 | fret = 0. ; |
878 | Int_t iparam ; | |
879 | ||
880 | if(iflag == 2) | |
881 | for(iparam = 0 ; iparam < nPar ; iparam++) | |
882 | Grad[iparam] = 0 ; // Will evaluate gradient | |
883 | ||
884 | Double_t efit ; | |
885 | ||
886 | AliPHOSDigit * digit ; | |
887 | Int_t iDigit ; | |
888 | ||
7b7c1533 | 889 | for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) { |
9a1398dd | 890 | |
891 | digit = (AliPHOSDigit*) digits->At( emcDigits[iDigit] ) ; | |
892 | ||
893 | Int_t relid[4] ; | |
894 | Float_t xDigit ; | |
895 | Float_t zDigit ; | |
896 | ||
897 | geom->AbsToRelNumbering(digit->GetId(), relid) ; | |
898 | ||
899 | geom->RelPosInModule(relid, xDigit, zDigit) ; | |
900 | ||
901 | if(iflag == 2){ // calculate gradient | |
902 | Int_t iParam = 0 ; | |
903 | efit = 0 ; | |
904 | while(iParam < nPar ){ | |
905 | Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ; | |
906 | iParam++ ; | |
907 | distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ; | |
908 | distance = TMath::Sqrt( distance ) ; | |
909 | iParam++ ; | |
910 | efit += x[iParam] * ShowerShape(distance) ; | |
911 | iParam++ ; | |
912 | } | |
913 | Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E) | |
914 | iParam = 0 ; | |
915 | while(iParam < nPar ){ | |
916 | Double_t xpar = x[iParam] ; | |
917 | Double_t zpar = x[iParam+1] ; | |
918 | Double_t epar = x[iParam+2] ; | |
919 | Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ); | |
920 | Double_t shape = sum * ShowerShape(dr) ; | |
921 | Double_t r4 = dr*dr*dr*dr ; | |
922 | Double_t r295 = TMath::Power(dr,2.95) ; | |
923 | Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) + | |
924 | 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ; | |
925 | ||
926 | Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x | |
927 | iParam++ ; | |
928 | Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z | |
929 | iParam++ ; | |
930 | Grad[iParam] += shape ; // Derivative over energy | |
931 | iParam++ ; | |
932 | } | |
933 | } | |
934 | efit = 0; | |
935 | iparam = 0 ; | |
936 | ||
937 | while(iparam < nPar ){ | |
938 | Double_t xpar = x[iparam] ; | |
939 | Double_t zpar = x[iparam+1] ; | |
940 | Double_t epar = x[iparam+2] ; | |
941 | iparam += 3 ; | |
942 | Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ; | |
943 | distance = TMath::Sqrt(distance) ; | |
944 | efit += epar * ShowerShape(distance) ; | |
945 | } | |
946 | ||
947 | fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ; | |
948 | // Here we assume, that sigma = sqrt(E) | |
949 | } | |
83974468 | 950 | |
d15a28e7 | 951 | } |
952 | ||
953 | //____________________________________________________________________________ | |
9a1398dd | 954 | void AliPHOSClusterizerv1::Print(Option_t * option)const |
d15a28e7 | 955 | { |
d1de15f5 | 956 | // Print clusterizer parameters |
957 | ||
7b7c1533 | 958 | if( strcmp(GetName(), "") !=0 ){ |
9a1398dd | 959 | |
960 | // Print parameters | |
7b7c1533 | 961 | |
962 | TString taskName(GetName()) ; | |
963 | taskName.ReplaceAll(Version(), "") ; | |
964 | ||
965 | cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl | |
9a1398dd | 966 | << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl |
967 | << " Branch: " << fDigitsBranchTitle.Data() << endl | |
968 | << endl | |
969 | << " EMC Clustering threshold = " << fEmcClusteringThreshold << endl | |
970 | << " EMC Local Maximum cut = " << fEmcLocMaxCut << endl | |
971 | << " EMC Logarothmic weight = " << fW0 << endl | |
972 | << endl | |
973 | << " CPV Clustering threshold = " << fCpvClusteringThreshold << endl | |
974 | << " CPV Local Maximum cut = " << fCpvLocMaxCut << endl | |
975 | << " CPV Logarothmic weight = " << fW0CPV << endl | |
9688c1dd | 976 | << endl ; |
9a1398dd | 977 | if(fToUnfold) |
978 | cout << " Unfolding on " << endl ; | |
979 | else | |
980 | cout << " Unfolding off " << endl ; | |
981 | ||
982 | cout << "------------------------------------------------------------------" <<endl ; | |
983 | } | |
984 | else | |
985 | cout << " AliPHOSClusterizerv1 not initialized " << endl ; | |
986 | } | |
987 | //____________________________________________________________________________ | |
a4e98857 | 988 | void AliPHOSClusterizerv1::PrintRecPoints(Option_t * option) |
989 | { | |
990 | // Prints list of RecPoints produced at the current pass of AliPHOSClusterizer | |
9a1398dd | 991 | |
7b7c1533 | 992 | TObjArray * emcRecPoints = AliPHOSGetter::GetInstance()->EmcRecPoints() ; |
993 | TObjArray * cpvRecPoints = AliPHOSGetter::GetInstance()->CpvRecPoints() ; | |
994 | ||
01a599c9 | 995 | cout << "AliPHOSClusterizerv1: : event "<<gAlice->GetEvNumber() << endl ; |
7b7c1533 | 996 | cout << " Found "<< emcRecPoints->GetEntriesFast() << " EMC Rec Points and " |
997 | << cpvRecPoints->GetEntriesFast() << " CPV RecPoints" << endl ; | |
9a1398dd | 998 | |
2b60655b | 999 | fRecPointsInRun += emcRecPoints->GetEntriesFast() ; |
1000 | fRecPointsInRun += cpvRecPoints->GetEntriesFast() ; | |
1001 | ||
9a1398dd | 1002 | if(strstr(option,"all")) { |
1003 | cout << "EMC clusters " << endl ; | |
9688c1dd | 1004 | cout << " Index Ene(MeV) Multi Module X Y Z Lambda 1 Lambda 2 # of prim Primaries list " << endl; |
9a1398dd | 1005 | |
1006 | Int_t index ; | |
7b7c1533 | 1007 | for (index = 0 ; index < emcRecPoints->GetEntries() ; index++) { |
1008 | AliPHOSEmcRecPoint * rp = (AliPHOSEmcRecPoint * )emcRecPoints->At(index) ; | |
9a1398dd | 1009 | TVector3 locpos; |
1010 | rp->GetLocalPosition(locpos); | |
9a1398dd | 1011 | Float_t lambda[2]; |
1012 | rp->GetElipsAxis(lambda); | |
9a1398dd | 1013 | Int_t * primaries; |
1014 | Int_t nprimaries; | |
1015 | primaries = rp->GetPrimaries(nprimaries); | |
9a1398dd | 1016 | |
9688c1dd | 1017 | cout << setw(4) << rp->GetIndexInList() << " " |
1018 | << setw(7) << setprecision(3) << rp->GetEnergy() << " " | |
1019 | << setw(3) << rp->GetMultiplicity() << " " | |
1020 | << setw(1) << rp->GetPHOSMod() << " " | |
1021 | << setw(6) << setprecision(2) << locpos.X() << " " | |
1022 | << setw(6) << setprecision(2) << locpos.Y() << " " | |
1023 | << setw(6) << setprecision(2) << locpos.Z() << " " | |
1024 | << setw(4) << setprecision(2) << lambda[0] << " " | |
1025 | << setw(4) << setprecision(2) << lambda[1] << " " | |
1026 | << setw(2) << nprimaries << " " ; | |
1027 | ||
9a1398dd | 1028 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) |
9688c1dd | 1029 | cout << setw(4) << primaries[iprimary] << " " ; |
1030 | cout << endl ; | |
9a1398dd | 1031 | } |
9a1398dd | 1032 | |
9688c1dd | 1033 | //Now plot CPV recPoints |
9a1398dd | 1034 | cout << "EMC clusters " << endl ; |
1035 | cout << " Index " | |
1036 | << " Multi " | |
1037 | << " Module " | |
9a1398dd | 1038 | << " X " |
1039 | << " Y " | |
1040 | << " Z " | |
1041 | << " # of prim " | |
1042 | << " Primaries list " << endl; | |
1043 | ||
7b7c1533 | 1044 | for (index = 0 ; index < cpvRecPoints->GetEntries() ; index++) { |
1045 | AliPHOSRecPoint * rp = (AliPHOSRecPoint * )cpvRecPoints->At(index) ; | |
9a1398dd | 1046 | cout << setw(6) << rp->GetIndexInList() << " "; |
9688c1dd | 1047 | cout << setw(6) << rp->GetPHOSMod() << " CPV "; |
9a1398dd | 1048 | |
1049 | TVector3 locpos; | |
1050 | rp->GetLocalPosition(locpos); | |
9688c1dd | 1051 | cout << setw(6) << locpos.X() << " "; |
1052 | cout << setw(6) << locpos.Y() << " "; | |
1053 | cout << setw(6) << locpos.Z() << " "; | |
9a1398dd | 1054 | |
1055 | Int_t * primaries; | |
9688c1dd | 1056 | Int_t nprimaries ; |
9a1398dd | 1057 | primaries = rp->GetPrimaries(nprimaries); |
9688c1dd | 1058 | cout << setw(6) << nprimaries << " "; |
9a1398dd | 1059 | |
1060 | for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) | |
1061 | cout << setw(4) << primaries[iprimary] << " "; | |
1062 | cout << endl; | |
1063 | } | |
1064 | ||
1065 | ||
9688c1dd | 1066 | cout << "-----------------------------------------------------------------------"<<endl ; |
9a1398dd | 1067 | } |
d15a28e7 | 1068 | } |
9a1398dd | 1069 |