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" |
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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 | |