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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 | ||
702ab87e | 18 | /* History of cvs commits: |
19 | * | |
20 | * $Log$ | |
25779c68 | 21 | * Revision 1.59 2007/10/18 15:12:22 kharlov |
22 | * Moved MakePrimary to EMCRecPoint to rpduce correct order of primaries | |
23 | * | |
c307c629 | 24 | * Revision 1.58 2007/04/16 09:03:37 kharlov |
25 | * Incedent angle correction fixed | |
26 | * | |
753b19cd | 27 | * Revision 1.57 2007/04/05 10:18:58 policheh |
28 | * Introduced distance to nearest bad crystal. | |
29 | * | |
dce76bbb | 30 | * Revision 1.56 2007/03/06 06:47:28 kharlov |
31 | * DP:Possibility to use actual vertex position added | |
32 | * | |
91daaf24 | 33 | * Revision 1.55 2007/01/19 20:31:19 kharlov |
34 | * Improved formatting for Print() | |
35 | * | |
6f766ada | 36 | * Revision 1.54 2006/08/28 10:01:56 kharlov |
37 | * Effective C++ warnings fixed (Timur Pocheptsov) | |
38 | * | |
3663622c | 39 | * Revision 1.53 2005/12/20 14:28:47 hristov |
40 | * Additional protection | |
41 | * | |
f33a3764 | 42 | * Revision 1.52 2005/05/28 14:19:04 schutz |
43 | * Compilation warnings fixed by T.P. | |
44 | * | |
702ab87e | 45 | */ |
46 | ||
d15a28e7 | 47 | //_________________________________________________________________________ |
b2a60966 | 48 | // RecPoint implementation for PHOS-EMC |
49 | // An EmcRecPoint is a cluster of digits | |
baef0810 | 50 | //*-- |
b2a60966 | 51 | //*-- Author: Dmitri Peressounko (RRC KI & SUBATECH) |
52 | ||
d15a28e7 | 53 | |
54 | // --- ROOT system --- | |
9f616d61 | 55 | #include "TH2.h" |
d15a28e7 | 56 | #include "TMath.h" |
9f616d61 | 57 | #include "TCanvas.h" |
55fe9d13 | 58 | #include "TGraph.h" |
d15a28e7 | 59 | |
60 | // --- Standard library --- | |
61 | ||
d15a28e7 | 62 | // --- AliRoot header files --- |
351dd634 | 63 | #include "AliLog.h" |
e957fea8 | 64 | #include "AliPHOSLoader.h" |
88cb7938 | 65 | #include "AliGenerator.h" |
d15a28e7 | 66 | #include "AliPHOSGeometry.h" |
e957fea8 | 67 | #include "AliPHOSDigit.h" |
d15a28e7 | 68 | #include "AliPHOSEmcRecPoint.h" |
e957fea8 | 69 | |
d15a28e7 | 70 | ClassImp(AliPHOSEmcRecPoint) |
71 | ||
72 | //____________________________________________________________________________ | |
3663622c | 73 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint() : |
74 | AliPHOSRecPoint(), | |
75 | fCoreEnergy(0.), fDispersion(0.), | |
76 | fEnergyList(0), fTime(-1.), fNExMax(0), | |
77 | fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), | |
dce76bbb | 78 | fPhixe(0.), fDistToBadCrystal(-1),fDebug(0) |
d15a28e7 | 79 | { |
80 | // ctor | |
d15a28e7 | 81 | fMulDigit = 0 ; |
82 | fAmp = 0. ; | |
a6eedfad | 83 | fLocPos.SetX(1000000.) ; //Local position should be evaluated |
83974468 | 84 | } |
85 | ||
73a68ccb | 86 | //____________________________________________________________________________ |
3663622c | 87 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const char * opt) : |
88 | AliPHOSRecPoint(opt), | |
89 | fCoreEnergy(0.), fDispersion(0.), | |
90 | fEnergyList(0), fTime(-1.), fNExMax(0), | |
91 | fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), | |
dce76bbb | 92 | fPhixe(0.), fDistToBadCrystal(-1), fDebug(0) |
73a68ccb | 93 | { |
94 | // ctor | |
73a68ccb | 95 | fMulDigit = 0 ; |
96 | fAmp = 0. ; | |
73a68ccb | 97 | fLocPos.SetX(1000000.) ; //Local position should be evaluated |
73a68ccb | 98 | } |
99 | ||
55fe9d13 | 100 | //____________________________________________________________________________ |
3663622c | 101 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) : |
102 | AliPHOSRecPoint(rp), | |
103 | fCoreEnergy(rp.fCoreEnergy), fDispersion(rp.fDispersion), | |
104 | fEnergyList(0), fTime(rp.fTime), fNExMax(rp.fNExMax), | |
105 | fM2x(rp.fM2x), fM2z(rp.fM2z), fM3x(rp.fM3x), fM4z(rp.fM4z), | |
dce76bbb | 106 | fPhixe(rp.fPhixe), fDistToBadCrystal(rp.fDistToBadCrystal), fDebug(rp.fDebug) |
55fe9d13 | 107 | { |
108 | // cpy ctor | |
55fe9d13 | 109 | fMulDigit = rp.fMulDigit ; |
110 | fAmp = rp.fAmp ; | |
25779c68 | 111 | if (rp.fMulDigit>0) fEnergyList = new Float_t[rp.fMulDigit] ; |
112 | for(Int_t index = 0 ; index < fMulDigit ; index++) | |
55fe9d13 | 113 | fEnergyList[index] = rp.fEnergyList[index] ; |
55fe9d13 | 114 | } |
115 | ||
83974468 | 116 | //____________________________________________________________________________ |
117 | AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint() | |
118 | { | |
88714635 | 119 | // dtor |
83974468 | 120 | if ( fEnergyList ) |
121 | delete[] fEnergyList ; | |
d15a28e7 | 122 | } |
123 | ||
d15a28e7 | 124 | //____________________________________________________________________________ |
83974468 | 125 | void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) |
d15a28e7 | 126 | { |
b2a60966 | 127 | // Adds a digit to the RecPoint |
a4e98857 | 128 | // and accumulates the total amplitude and the multiplicity |
d15a28e7 | 129 | |
7932f811 | 130 | if(fEnergyList == 0) |
131 | fEnergyList = new Float_t[fMaxDigit]; | |
132 | ||
d15a28e7 | 133 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists |
9f616d61 | 134 | fMaxDigit*=2 ; |
0fbb8738 | 135 | Int_t * tempo = new Int_t[fMaxDigit]; |
136 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
9f616d61 | 137 | |
138 | Int_t index ; | |
d15a28e7 | 139 | for ( index = 0 ; index < fMulDigit ; index++ ){ |
83974468 | 140 | tempo[index] = fDigitsList[index] ; |
d15a28e7 | 141 | tempoE[index] = fEnergyList[index] ; |
142 | } | |
143 | ||
9f616d61 | 144 | delete [] fDigitsList ; |
0fbb8738 | 145 | fDigitsList = new Int_t[fMaxDigit]; |
9f616d61 | 146 | |
147 | delete [] fEnergyList ; | |
0fbb8738 | 148 | fEnergyList = new Float_t[fMaxDigit]; |
9f616d61 | 149 | |
150 | for ( index = 0 ; index < fMulDigit ; index++ ){ | |
151 | fDigitsList[index] = tempo[index] ; | |
152 | fEnergyList[index] = tempoE[index] ; | |
153 | } | |
154 | ||
155 | delete [] tempo ; | |
156 | delete [] tempoE ; | |
157 | } // if | |
d15a28e7 | 158 | |
83974468 | 159 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; |
160 | fEnergyList[fMulDigit] = Energy ; | |
161 | fMulDigit++ ; | |
d15a28e7 | 162 | fAmp += Energy ; |
7932f811 | 163 | |
164 | EvalPHOSMod(&digit) ; | |
d15a28e7 | 165 | } |
166 | ||
167 | //____________________________________________________________________________ | |
ad8cfaf4 | 168 | Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
d15a28e7 | 169 | { |
a4e98857 | 170 | // Tells if (true) or not (false) two digits are neighbors |
d15a28e7 | 171 | |
172 | Bool_t aren = kFALSE ; | |
173 | ||
686b771f | 174 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
7b7c1533 | 175 | |
d15a28e7 | 176 | Int_t relid1[4] ; |
92862013 | 177 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; |
d15a28e7 | 178 | |
179 | Int_t relid2[4] ; | |
92862013 | 180 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; |
d15a28e7 | 181 | |
92862013 | 182 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
183 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 184 | |
92862013 | 185 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) |
d15a28e7 | 186 | aren = kTRUE ; |
187 | ||
188 | return aren ; | |
189 | } | |
190 | ||
191 | //____________________________________________________________________________ | |
2a941f4e | 192 | Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const |
d15a28e7 | 193 | { |
b2a60966 | 194 | // Compares two RecPoints according to their position in the PHOS modules |
686b771f | 195 | |
196 | const Float_t delta = 1 ; //Width of "Sorting row". If you changibg this | |
7932f811 | 197 | //value (what is senseless) change as vell delta in |
198 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
d15a28e7 | 199 | Int_t rv ; |
200 | ||
201 | AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ; | |
202 | ||
203 | ||
ad8cfaf4 | 204 | Int_t phosmod1 = GetPHOSMod() ; |
92862013 | 205 | Int_t phosmod2 = clu->GetPHOSMod() ; |
d15a28e7 | 206 | |
92862013 | 207 | TVector3 locpos1; |
7932f811 | 208 | GetLocalPosition(locpos1) ; |
92862013 | 209 | TVector3 locpos2; |
210 | clu->GetLocalPosition(locpos2) ; | |
d15a28e7 | 211 | |
92862013 | 212 | if(phosmod1 == phosmod2 ) { |
7932f811 | 213 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; |
d15a28e7 | 214 | if (rowdif> 0) |
7932f811 | 215 | rv = 1 ; |
d15a28e7 | 216 | else if(rowdif < 0) |
7932f811 | 217 | rv = -1 ; |
92862013 | 218 | else if(locpos1.Z()>locpos2.Z()) |
d15a28e7 | 219 | rv = -1 ; |
220 | else | |
221 | rv = 1 ; | |
222 | } | |
223 | ||
224 | else { | |
92862013 | 225 | if(phosmod1 < phosmod2 ) |
d15a28e7 | 226 | rv = -1 ; |
227 | else | |
228 | rv = 1 ; | |
229 | } | |
230 | ||
231 | return rv ; | |
232 | } | |
9f616d61 | 233 | //______________________________________________________________________________ |
702ab87e | 234 | void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) /*const*/ |
9f616d61 | 235 | { |
9f616d61 | 236 | |
9688c1dd | 237 | // Execute action corresponding to one event |
238 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
239 | // | |
240 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
241 | // and switched off when the mouse button is released. | |
242 | ||
88cb7938 | 243 | |
686b771f | 244 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
83974468 | 245 | |
9688c1dd | 246 | static TGraph * digitgraph = 0 ; |
83974468 | 247 | |
9688c1dd | 248 | if (!gPad->IsEditable()) return; |
83974468 | 249 | |
9688c1dd | 250 | TH2F * histo = 0 ; |
251 | TCanvas * histocanvas ; | |
252 | ||
88cb7938 | 253 | |
254 | //try to get run loader from default event folder | |
e191bb57 | 255 | AliRunLoader* rn = AliRunLoader::GetRunLoader(AliConfig::GetDefaultEventFolderName()); |
88cb7938 | 256 | if (rn == 0x0) |
257 | { | |
351dd634 | 258 | AliError(Form("Cannot find Run Loader in Default Event Folder")); |
88cb7938 | 259 | return; |
260 | } | |
261 | AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(rn->GetLoader("PHOSLoader")); | |
262 | if (gime == 0x0) | |
263 | { | |
351dd634 | 264 | AliError(Form("Cannot find PHOS Loader from Run Loader")); |
88cb7938 | 265 | return; |
266 | } | |
267 | ||
268 | ||
afa51c4e | 269 | const TClonesArray * digits = gime->Digits() ; |
9688c1dd | 270 | |
271 | switch (event) { | |
83974468 | 272 | |
9688c1dd | 273 | case kButton1Down: { |
274 | AliPHOSDigit * digit ; | |
275 | Int_t iDigit; | |
276 | Int_t relid[4] ; | |
83974468 | 277 | |
9688c1dd | 278 | const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ; |
279 | Float_t * xi = new Float_t[kMulDigit] ; | |
280 | Float_t * zi = new Float_t[kMulDigit] ; | |
83974468 | 281 | |
9688c1dd | 282 | // create the histogram for the single cluster |
283 | // 1. gets histogram boundaries | |
284 | Float_t ximax = -999. ; | |
285 | Float_t zimax = -999. ; | |
286 | Float_t ximin = 999. ; | |
287 | Float_t zimin = 999. ; | |
83974468 | 288 | |
9688c1dd | 289 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
290 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
291 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
292 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
293 | if ( xi[iDigit] > ximax ) | |
294 | ximax = xi[iDigit] ; | |
295 | if ( xi[iDigit] < ximin ) | |
296 | ximin = xi[iDigit] ; | |
297 | if ( zi[iDigit] > zimax ) | |
298 | zimax = zi[iDigit] ; | |
299 | if ( zi[iDigit] < zimin ) | |
300 | zimin = zi[iDigit] ; | |
301 | } | |
302 | ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
303 | zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
304 | ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
305 | zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
306 | Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
307 | Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
83974468 | 308 | |
9688c1dd | 309 | // 2. gets the histogram title |
83974468 | 310 | |
9688c1dd | 311 | Text_t title[100] ; |
312 | sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
83974468 | 313 | |
9688c1dd | 314 | if (!histo) { |
315 | delete histo ; | |
316 | histo = 0 ; | |
317 | } | |
318 | histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
83974468 | 319 | |
9688c1dd | 320 | Float_t x, z ; |
321 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
322 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
323 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
324 | phosgeom->RelPosInModule(relid, x, z); | |
325 | histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
326 | } | |
83974468 | 327 | |
9688c1dd | 328 | if (!digitgraph) { |
329 | digitgraph = new TGraph(kMulDigit,xi,zi); | |
330 | digitgraph-> SetMarkerStyle(5) ; | |
331 | digitgraph-> SetMarkerSize(1.) ; | |
332 | digitgraph-> SetMarkerColor(1) ; | |
333 | digitgraph-> Paint("P") ; | |
334 | } | |
83974468 | 335 | |
9688c1dd | 336 | // Print() ; |
337 | histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ; | |
338 | histocanvas->Draw() ; | |
339 | histo->Draw("lego1") ; | |
83974468 | 340 | |
9688c1dd | 341 | delete[] xi ; |
342 | delete[] zi ; | |
83974468 | 343 | |
9688c1dd | 344 | break; |
345 | } | |
83974468 | 346 | |
9688c1dd | 347 | case kButton1Up: |
348 | if (digitgraph) { | |
349 | delete digitgraph ; | |
350 | digitgraph = 0 ; | |
351 | } | |
352 | break; | |
9f616d61 | 353 | |
9688c1dd | 354 | } |
9f616d61 | 355 | } |
356 | ||
d15a28e7 | 357 | //____________________________________________________________________________ |
91daaf24 | 358 | void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits, TVector3 &vInc) |
d15a28e7 | 359 | { |
b2a60966 | 360 | // Calculates the dispersion of the shower at the origine of the RecPoint |
91daaf24 | 361 | //DP: should we correct dispersion for non-perpendicular hit???????? |
362 | ||
e5b16749 | 363 | Float_t d = 0. ; |
364 | Float_t wtot = 0. ; | |
d15a28e7 | 365 | |
d084d50d | 366 | Float_t x = 0.; |
367 | Float_t z = 0.; | |
d15a28e7 | 368 | |
369 | AliPHOSDigit * digit ; | |
7b7c1533 | 370 | |
686b771f | 371 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
e5b16749 | 372 | |
373 | // Calculates the center of gravity in the local PHOS-module coordinates | |
374 | ||
d15a28e7 | 375 | Int_t iDigit; |
e5b16749 | 376 | |
377 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
378 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
379 | Int_t relid[4] ; | |
380 | Float_t xi ; | |
381 | Float_t zi ; | |
382 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
383 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 384 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
385 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
386 | x += xi * w ; | |
387 | z += zi * w ; | |
388 | wtot += w ; | |
389 | } | |
390 | else | |
391 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
e5b16749 | 392 | } |
f33a3764 | 393 | if (wtot>0) { |
394 | x /= wtot ; | |
395 | z /= wtot ; | |
396 | } | |
397 | else | |
398 | AliError(Form("Wrong weight %f\n", wtot)); | |
e5b16749 | 399 | |
400 | ||
401 | // Calculates the dispersion in coordinates | |
402 | wtot = 0.; | |
88714635 | 403 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
7932f811 | 404 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
d15a28e7 | 405 | Int_t relid[4] ; |
406 | Float_t xi ; | |
407 | Float_t zi ; | |
92862013 | 408 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
409 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 410 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
411 | Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
412 | d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ; | |
413 | wtot+=w ; | |
414 | } | |
415 | else | |
416 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
d15a28e7 | 417 | } |
e5b16749 | 418 | |
7932f811 | 419 | |
f33a3764 | 420 | if (wtot>0) { |
421 | d /= wtot ; | |
422 | } | |
423 | else | |
424 | AliError(Form("Wrong weight %f\n", wtot)); | |
d15a28e7 | 425 | |
f33a3764 | 426 | fDispersion = 0; |
427 | if (d>=0) | |
428 | fDispersion = TMath::Sqrt(d) ; | |
91daaf24 | 429 | |
c63c49e9 | 430 | |
d15a28e7 | 431 | } |
fad3e5b9 | 432 | //______________________________________________________________________________ |
e5b16749 | 433 | void AliPHOSEmcRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits) |
fad3e5b9 | 434 | { |
a4e98857 | 435 | // This function calculates energy in the core, |
436 | // i.e. within a radius rad = 3cm around the center. Beyond this radius | |
437 | // in accordance with shower profile the energy deposition | |
fad3e5b9 | 438 | // should be less than 2% |
91daaf24 | 439 | //DP: non-perpendicular incidence?????????????? |
fad3e5b9 | 440 | |
fad3e5b9 | 441 | Float_t coreRadius = 3 ; |
442 | ||
e5b16749 | 443 | Float_t x = 0 ; |
444 | Float_t z = 0 ; | |
fad3e5b9 | 445 | |
446 | AliPHOSDigit * digit ; | |
7b7c1533 | 447 | |
686b771f | 448 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
88cb7938 | 449 | |
fad3e5b9 | 450 | Int_t iDigit; |
e5b16749 | 451 | |
452 | // Calculates the center of gravity in the local PHOS-module coordinates | |
453 | Float_t wtot = 0; | |
454 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
455 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
456 | Int_t relid[4] ; | |
457 | Float_t xi ; | |
458 | Float_t zi ; | |
459 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
460 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 461 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
462 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
463 | x += xi * w ; | |
464 | z += zi * w ; | |
465 | wtot += w ; | |
466 | } | |
467 | else | |
468 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
e5b16749 | 469 | } |
f33a3764 | 470 | if (wtot>0) { |
471 | x /= wtot ; | |
472 | z /= wtot ; | |
473 | } | |
474 | else | |
475 | AliError(Form("Wrong weight %f\n", wtot)); | |
e5b16749 | 476 | |
477 | ||
fad3e5b9 | 478 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
7932f811 | 479 | digit = (AliPHOSDigit *) ( digits->At(fDigitsList[iDigit]) ) ; |
fad3e5b9 | 480 | Int_t relid[4] ; |
481 | Float_t xi ; | |
482 | Float_t zi ; | |
483 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
484 | phosgeom->RelPosInModule(relid, xi, zi); | |
485 | Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(zi-z)*(zi-z)) ; | |
486 | if(distance < coreRadius) | |
7932f811 | 487 | fCoreEnergy += fEnergyList[iDigit] ; |
fad3e5b9 | 488 | } |
489 | ||
91daaf24 | 490 | |
fad3e5b9 | 491 | } |
d15a28e7 | 492 | |
493 | //____________________________________________________________________________ | |
91daaf24 | 494 | void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits, TVector3 &vInc) |
d15a28e7 | 495 | { |
b2a60966 | 496 | // Calculates the axis of the shower ellipsoid |
83974468 | 497 | |
e8dbb96e | 498 | Double_t wtot = 0. ; |
499 | Double_t x = 0.; | |
500 | Double_t z = 0.; | |
501 | Double_t dxx = 0.; | |
502 | Double_t dzz = 0.; | |
503 | Double_t dxz = 0.; | |
d15a28e7 | 504 | |
505 | AliPHOSDigit * digit ; | |
7b7c1533 | 506 | |
686b771f | 507 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
7b7c1533 | 508 | |
d15a28e7 | 509 | Int_t iDigit; |
510 | ||
e5b16749 | 511 | |
d15a28e7 | 512 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
7932f811 | 513 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
d15a28e7 | 514 | Int_t relid[4] ; |
515 | Float_t xi ; | |
516 | Float_t zi ; | |
92862013 | 517 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
518 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 519 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
520 | Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
521 | dxx += w * xi * xi ; | |
522 | x += w * xi ; | |
523 | dzz += w * zi * zi ; | |
524 | z += w * zi ; | |
525 | dxz += w * xi * zi ; | |
526 | wtot += w ; | |
527 | } | |
528 | else | |
529 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
d15a28e7 | 530 | } |
f33a3764 | 531 | if (wtot>0) { |
532 | dxx /= wtot ; | |
533 | x /= wtot ; | |
534 | dxx -= x * x ; | |
535 | dzz /= wtot ; | |
536 | z /= wtot ; | |
537 | dzz -= z * z ; | |
538 | dxz /= wtot ; | |
539 | dxz -= x * z ; | |
d15a28e7 | 540 | |
69183710 | 541 | // //Apply correction due to non-perpendicular incidence |
542 | // Double_t CosX ; | |
543 | // Double_t CosZ ; | |
88cb7938 | 544 | // AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
7b7c1533 | 545 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); |
91daaf24 | 546 | // Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ; |
69183710 | 547 | |
548 | // CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ; | |
549 | // CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ; | |
550 | ||
551 | // dxx = dxx/(CosX*CosX) ; | |
552 | // dzz = dzz/(CosZ*CosZ) ; | |
553 | // dxz = dxz/(CosX*CosZ) ; | |
554 | ||
555 | ||
f33a3764 | 556 | fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
557 | if(fLambda[0] > 0) | |
558 | fLambda[0] = TMath::Sqrt(fLambda[0]) ; | |
e8dbb96e | 559 | |
f33a3764 | 560 | fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
561 | if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda. | |
562 | fLambda[1] = TMath::Sqrt(fLambda[1]) ; | |
563 | else | |
564 | fLambda[1]= 0. ; | |
565 | } | |
566 | else { | |
567 | AliError(Form("Wrong weight %f\n", wtot)); | |
568 | fLambda[0]=fLambda[1]=0.; | |
569 | } | |
d15a28e7 | 570 | } |
571 | ||
ce2a9a95 | 572 | //____________________________________________________________________________ |
91daaf24 | 573 | void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits, TVector3 &vInc) |
ce2a9a95 | 574 | { |
575 | // Calculate the shower moments in the eigen reference system | |
576 | // M2x, M2z, M3x, M4z | |
577 | // Calculate the angle between the shower position vector and the eigen vector | |
578 | ||
579 | Double_t wtot = 0. ; | |
580 | Double_t x = 0.; | |
581 | Double_t z = 0.; | |
582 | Double_t dxx = 0.; | |
583 | Double_t dzz = 0.; | |
584 | Double_t dxz = 0.; | |
585 | Double_t lambda0=0, lambda1=0; | |
586 | ||
587 | AliPHOSDigit * digit ; | |
588 | ||
686b771f | 589 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
ce2a9a95 | 590 | |
591 | Int_t iDigit; | |
592 | ||
593 | // 1) Find covariance matrix elements: | |
594 | // || dxx dxz || | |
595 | // || dxz dzz || | |
596 | ||
597 | Float_t xi ; | |
598 | Float_t zi ; | |
599 | Int_t relid[4] ; | |
600 | Double_t w; | |
601 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
602 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
603 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
604 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 605 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
606 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
607 | x += w * xi ; | |
608 | z += w * zi ; | |
609 | dxx += w * xi * xi ; | |
610 | dzz += w * zi * zi ; | |
611 | dxz += w * xi * zi ; | |
612 | wtot += w ; | |
613 | } | |
614 | else | |
615 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
616 | ||
ce2a9a95 | 617 | } |
f33a3764 | 618 | if (wtot>0) { |
619 | x /= wtot ; | |
620 | z /= wtot ; | |
621 | dxx /= wtot ; | |
622 | dzz /= wtot ; | |
623 | dxz /= wtot ; | |
624 | dxx -= x * x ; | |
625 | dzz -= z * z ; | |
626 | dxz -= x * z ; | |
ce2a9a95 | 627 | |
628 | // 2) Find covariance matrix eigen values lambda0 and lambda1 | |
629 | ||
f33a3764 | 630 | lambda0 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
631 | lambda1 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; | |
632 | } | |
633 | else { | |
634 | AliError(Form("Wrong weight %f\n", wtot)); | |
635 | lambda0=lambda1=0.; | |
636 | } | |
ce2a9a95 | 637 | |
638 | // 3) Find covariance matrix eigen vectors e0 and e1 | |
639 | ||
640 | TVector2 e0,e1; | |
641 | if (dxz != 0) | |
642 | e0.Set(1.,(lambda0-dxx)/dxz); | |
643 | else | |
644 | e0.Set(0.,1.); | |
645 | ||
646 | e0 = e0.Unit(); | |
647 | e1.Set(-e0.Y(),e0.X()); | |
648 | ||
649 | // 4) Rotate cluster tensor from (x,z) to (e0,e1) system | |
650 | // and calculate moments M3x and M4z | |
651 | ||
652 | Float_t cosPhi = e0.X(); | |
653 | Float_t sinPhi = e0.Y(); | |
654 | ||
655 | Float_t xiPHOS ; | |
656 | Float_t ziPHOS ; | |
657 | Double_t dx3, dz3, dz4; | |
658 | wtot = 0.; | |
659 | x = 0.; | |
660 | z = 0.; | |
661 | dxx = 0.; | |
662 | dzz = 0.; | |
663 | dxz = 0.; | |
664 | dx3 = 0.; | |
665 | dz3 = 0.; | |
666 | dz4 = 0.; | |
667 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
668 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
669 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
670 | phosgeom->RelPosInModule(relid, xiPHOS, ziPHOS); | |
671 | xi = xiPHOS*cosPhi + ziPHOS*sinPhi; | |
672 | zi = ziPHOS*cosPhi - xiPHOS*sinPhi; | |
f33a3764 | 673 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
674 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
675 | x += w * xi ; | |
676 | z += w * zi ; | |
677 | dxx += w * xi * xi ; | |
678 | dzz += w * zi * zi ; | |
679 | dxz += w * xi * zi ; | |
680 | dx3 += w * xi * xi * xi; | |
681 | dz3 += w * zi * zi * zi ; | |
682 | dz4 += w * zi * zi * zi * zi ; | |
683 | wtot += w ; | |
684 | } | |
685 | else | |
686 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
ce2a9a95 | 687 | } |
f33a3764 | 688 | if (wtot>0) { |
689 | x /= wtot ; | |
690 | z /= wtot ; | |
691 | dxx /= wtot ; | |
692 | dzz /= wtot ; | |
693 | dxz /= wtot ; | |
694 | dx3 /= wtot ; | |
695 | dz3 /= wtot ; | |
696 | dz4 /= wtot ; | |
697 | dx3 += -3*dxx*x + 2*x*x*x; | |
698 | dz4 += -4*dz3*z + 6*dzz*z*z -3*z*z*z*z; | |
699 | dxx -= x * x ; | |
700 | dzz -= z * z ; | |
701 | dxz -= x * z ; | |
702 | } | |
703 | else | |
704 | AliError(Form("Wrong weight %f\n", wtot)); | |
ce2a9a95 | 705 | |
706 | // 5) Find an angle between cluster center vector and eigen vector e0 | |
707 | ||
f33a3764 | 708 | Float_t phi = 0; |
709 | if ( (x*x+z*z) > 0 ) | |
710 | phi = TMath::ACos ((x*e0.X() + z*e0.Y()) / sqrt(x*x + z*z)); | |
ce2a9a95 | 711 | |
712 | fM2x = lambda0; | |
713 | fM2z = lambda1; | |
714 | fM3x = dx3; | |
715 | fM4z = dz4; | |
716 | fPhixe = phi; | |
717 | ||
718 | } | |
c307c629 | 719 | //______________________________________________________________________________ |
720 | void AliPHOSEmcRecPoint::EvalPrimaries(TClonesArray * digits) | |
721 | { | |
722 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint | |
723 | ||
724 | AliPHOSDigit * digit ; | |
725 | Int_t * tempo = new Int_t[fMaxTrack] ; | |
726 | ||
727 | //First find digit with maximal energy deposition and copy its primaries | |
728 | Float_t emax=0.; | |
729 | Int_t imaxDigit=0; | |
730 | for(Int_t id=0; id<GetDigitsMultiplicity(); id++){ | |
731 | if(emax<fEnergyList[id]) | |
732 | imaxDigit=id ; | |
733 | } | |
734 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[imaxDigit] )) ; | |
735 | Int_t nprimaries = digit->GetNprimary() ; | |
736 | if ( nprimaries > fMaxTrack ) { | |
737 | fMulTrack = - 1 ; | |
738 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; | |
739 | nprimaries = fMaxTrack; //skip the rest | |
740 | } | |
741 | for(fMulTrack=1; fMulTrack<=nprimaries ; fMulTrack++){ | |
742 | tempo[fMulTrack-1] = digit->GetPrimary(fMulTrack) ; | |
743 | } | |
744 | ||
745 | //Now add other digits contributions | |
746 | for (Int_t index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
747 | if(index==imaxDigit) //already in | |
748 | continue ; | |
749 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; | |
750 | nprimaries = digit->GetNprimary() ; | |
751 | for(Int_t ipr=0; ipr<nprimaries; ipr++){ | |
752 | Int_t iprimary = digit->GetPrimary(ipr+1) ; | |
753 | Bool_t notIn=1 ; | |
754 | for(Int_t kndex = 0 ; (kndex < fMulTrack)&& notIn ; kndex++ ) { //check if not already stored | |
755 | if(iprimary == tempo[kndex]){ | |
756 | notIn = kFALSE ; | |
757 | } | |
758 | } | |
759 | if(notIn){ | |
760 | if(fMulTrack<fMaxTrack){ | |
761 | tempo[fMulTrack]=iprimary ; | |
762 | fMulTrack++ ; | |
763 | } | |
764 | else{ | |
765 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack!!!" ) ; | |
766 | break ; | |
767 | } | |
768 | } | |
769 | } | |
770 | } // all digits | |
771 | ||
772 | if(fMulTrack > 0){ | |
773 | if(fTracksList)delete [] fTracksList; | |
774 | fTracksList = new Int_t[fMulTrack] ; | |
775 | } | |
776 | for(Int_t index = 0; index < fMulTrack; index++) | |
777 | fTracksList[index] = tempo[index] ; | |
778 | ||
779 | delete [] tempo ; | |
780 | ||
781 | } | |
782 | ||
b2a60966 | 783 | //____________________________________________________________________________ |
7932f811 | 784 | void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits ) |
ad8cfaf4 | 785 | { |
e5b16749 | 786 | EvalCoreEnergy(logWeight, digits); |
a6eedfad | 787 | EvalTime(digits) ; |
c307c629 | 788 | EvalPrimaries(digits) ; |
e957fea8 | 789 | AliPHOSRecPoint::EvalAll(digits) ; |
ad8cfaf4 | 790 | } |
791 | //____________________________________________________________________________ | |
91daaf24 | 792 | void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits ) |
793 | { | |
794 | // Evaluates all shower parameters | |
795 | TVector3 vInc ; | |
796 | EvalLocalPosition(logWeight, vtx, digits,vInc) ; | |
797 | EvalElipsAxis(logWeight, digits, vInc) ; //they are evaluated with momenta | |
798 | EvalMoments(logWeight, digits, vInc) ; | |
799 | EvalDispersion(logWeight, digits, vInc) ; | |
800 | } | |
801 | //____________________________________________________________________________ | |
802 | void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 &vtx, TClonesArray * digits, TVector3 &vInc) | |
b2a60966 | 803 | { |
804 | // Calculates the center of gravity in the local PHOS-module coordinates | |
b2a60966 | 805 | Float_t wtot = 0. ; |
806 | ||
807 | Int_t relid[4] ; | |
808 | ||
809 | Float_t x = 0. ; | |
810 | Float_t z = 0. ; | |
811 | ||
812 | AliPHOSDigit * digit ; | |
813 | ||
686b771f | 814 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
b2a60966 | 815 | |
816 | Int_t iDigit; | |
817 | ||
b2a60966 | 818 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
7932f811 | 819 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
b2a60966 | 820 | |
821 | Float_t xi ; | |
822 | Float_t zi ; | |
823 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
824 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 825 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
826 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
827 | x += xi * w ; | |
828 | z += zi * w ; | |
829 | wtot += w ; | |
830 | } | |
831 | else | |
832 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
9ce1a8d9 | 833 | } |
f33a3764 | 834 | if (wtot>0) { |
835 | x /= wtot ; | |
836 | z /= wtot ; | |
837 | } | |
838 | else | |
839 | AliError(Form("Wrong weight %f\n", wtot)); | |
ad8cfaf4 | 840 | |
841 | // Correction for the depth of the shower starting point (TDR p 127) | |
842 | Float_t para = 0.925 ; | |
843 | Float_t parb = 6.52 ; | |
844 | ||
91daaf24 | 845 | phosgeom->GetIncidentVector(vtx,GetPHOSMod(),x,z,vInc) ; |
1b799736 | 846 | |
f33a3764 | 847 | Float_t depthx = 0.; |
848 | Float_t depthz = 0.; | |
91daaf24 | 849 | if (fAmp>0&&vInc.Y()!=0.) { |
753b19cd | 850 | depthx = ( para * TMath::Log(fAmp) + parb ) * vInc.X()/TMath::Abs(vInc.Y()) ; |
851 | depthz = ( para * TMath::Log(fAmp) + parb ) * vInc.Z()/TMath::Abs(vInc.Y()) ; | |
f33a3764 | 852 | } |
853 | else | |
854 | AliError(Form("Wrong amplitude %f\n", fAmp)); | |
ad8cfaf4 | 855 | |
856 | fLocPos.SetX(x - depthx) ; | |
b2a60966 | 857 | fLocPos.SetY(0.) ; |
ad8cfaf4 | 858 | fLocPos.SetZ(z - depthz) ; |
b2a60966 | 859 | |
a6eedfad | 860 | fLocPosM = 0 ; |
b2a60966 | 861 | } |
862 | ||
d15a28e7 | 863 | //____________________________________________________________________________ |
ad8cfaf4 | 864 | Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void) const |
d15a28e7 | 865 | { |
b2a60966 | 866 | // Finds the maximum energy in the cluster |
867 | ||
d15a28e7 | 868 | Float_t menergy = 0. ; |
869 | ||
870 | Int_t iDigit; | |
871 | ||
872 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
873 | ||
874 | if(fEnergyList[iDigit] > menergy) | |
875 | menergy = fEnergyList[iDigit] ; | |
876 | } | |
877 | return menergy ; | |
878 | } | |
879 | ||
880 | //____________________________________________________________________________ | |
fc7e2f43 | 881 | Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(Float_t H) const |
d15a28e7 | 882 | { |
b2a60966 | 883 | // Calculates the multiplicity of digits with energy larger than H*energy |
884 | ||
d15a28e7 | 885 | Int_t multipl = 0 ; |
886 | Int_t iDigit ; | |
887 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
888 | ||
889 | if(fEnergyList[iDigit] > H * fAmp) | |
890 | multipl++ ; | |
891 | } | |
892 | return multipl ; | |
893 | } | |
894 | ||
895 | //____________________________________________________________________________ | |
a0636361 | 896 | Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax( AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
7932f811 | 897 | Float_t locMaxCut,TClonesArray * digits) const |
d15a28e7 | 898 | { |
b2a60966 | 899 | // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum |
a4e98857 | 900 | // energy difference between two local maxima |
b2a60966 | 901 | |
d15a28e7 | 902 | AliPHOSDigit * digit ; |
903 | AliPHOSDigit * digitN ; | |
904 | ||
905 | ||
906 | Int_t iDigitN ; | |
907 | Int_t iDigit ; | |
908 | ||
7932f811 | 909 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) |
a0636361 | 910 | maxAt[iDigit] = (AliPHOSDigit*) digits->At(fDigitsList[iDigit]) ; |
7932f811 | 911 | |
d15a28e7 | 912 | |
6ad0bfa0 | 913 | for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { |
a0636361 | 914 | if(maxAt[iDigit]) { |
915 | digit = maxAt[iDigit] ; | |
83974468 | 916 | |
6ad0bfa0 | 917 | for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { |
686b771f | 918 | if(iDigit == iDigitN) |
919 | continue ; | |
920 | ||
7932f811 | 921 | digitN = (AliPHOSDigit *) digits->At(fDigitsList[iDigitN]) ; |
d15a28e7 | 922 | |
9f616d61 | 923 | if ( AreNeighbours(digit, digitN) ) { |
d15a28e7 | 924 | if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { |
a0636361 | 925 | maxAt[iDigitN] = 0 ; |
6ad0bfa0 | 926 | // but may be digit too is not local max ? |
7932f811 | 927 | if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut) |
a0636361 | 928 | maxAt[iDigit] = 0 ; |
d15a28e7 | 929 | } |
930 | else { | |
a0636361 | 931 | maxAt[iDigit] = 0 ; |
6ad0bfa0 | 932 | // but may be digitN too is not local max ? |
7932f811 | 933 | if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut) |
a0636361 | 934 | maxAt[iDigitN] = 0 ; |
d15a28e7 | 935 | } |
936 | } // if Areneighbours | |
937 | } // while digitN | |
938 | } // slot not empty | |
939 | } // while digit | |
940 | ||
941 | iDigitN = 0 ; | |
6ad0bfa0 | 942 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { |
a0636361 | 943 | if(maxAt[iDigit]){ |
d15a28e7 | 944 | maxAt[iDigitN] = maxAt[iDigit] ; |
9f616d61 | 945 | maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; |
946 | iDigitN++ ; | |
d15a28e7 | 947 | } |
948 | } | |
949 | return iDigitN ; | |
950 | } | |
9688c1dd | 951 | //____________________________________________________________________________ |
0bc3b8ed | 952 | void AliPHOSEmcRecPoint::EvalTime(TClonesArray * digits) |
953 | { | |
954 | // Define a rec.point time as a time in the cell with the maximum energy | |
955 | ||
9688c1dd | 956 | Float_t maxE = 0; |
957 | Int_t maxAt = 0; | |
958 | for(Int_t idig=0; idig < fMulDigit; idig++){ | |
959 | if(fEnergyList[idig] > maxE){ | |
960 | maxE = fEnergyList[idig] ; | |
961 | maxAt = idig; | |
962 | } | |
963 | } | |
964 | fTime = ((AliPHOSDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ; | |
965 | ||
966 | } | |
d15a28e7 | 967 | //____________________________________________________________________________ |
092b50ba | 968 | void AliPHOSEmcRecPoint::Purify(Float_t threshold){ |
969 | //Removes digits below threshold | |
970 | ||
0fbb8738 | 971 | Int_t * tempo = new Int_t[fMaxDigit]; |
972 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
092b50ba | 973 | |
974 | Int_t mult = 0 ; | |
975 | for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ | |
976 | if(fEnergyList[iDigit] > threshold){ | |
977 | tempo[mult] = fDigitsList[iDigit] ; | |
978 | tempoE[mult] = fEnergyList[iDigit] ; | |
979 | mult++ ; | |
980 | } | |
981 | } | |
982 | ||
983 | fMulDigit = mult ; | |
984 | delete [] fDigitsList ; | |
985 | delete [] fEnergyList ; | |
0fbb8738 | 986 | fDigitsList = new Int_t[fMulDigit]; |
987 | fEnergyList = new Float_t[fMulDigit]; | |
092b50ba | 988 | |
0458aa58 | 989 | fAmp = 0.; //Recalculate total energy |
092b50ba | 990 | for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ |
0458aa58 | 991 | fDigitsList[iDigit] = tempo[iDigit]; |
992 | fEnergyList[iDigit] = tempoE[iDigit] ; | |
993 | fAmp+=tempoE[iDigit]; | |
092b50ba | 994 | } |
995 | ||
996 | delete [] tempo ; | |
997 | delete [] tempoE ; | |
998 | ||
999 | } | |
1000 | //____________________________________________________________________________ | |
a8c47ab6 | 1001 | void AliPHOSEmcRecPoint::Print(Option_t *) const |
d15a28e7 | 1002 | { |
b2a60966 | 1003 | // Print the list of digits belonging to the cluster |
1004 | ||
21cd0c07 | 1005 | TString message ; |
1006 | message = "AliPHOSEmcRecPoint:\n" ; | |
6f766ada | 1007 | message += "Digit multiplicity = %d" ; |
1008 | message += ", cluster Energy = %f" ; | |
1009 | message += ", number of primaries = %d" ; | |
1010 | message += ", rec.point index = %d \n" ; | |
1011 | printf(message.Data(), fMulDigit, fAmp, fMulTrack,GetIndexInList() ) ; | |
d15a28e7 | 1012 | |
d15a28e7 | 1013 | Int_t iDigit; |
6f766ada | 1014 | printf(" digits ids = ") ; |
7932f811 | 1015 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
53ad38d8 | 1016 | printf(" %d ", fDigitsList[iDigit] ) ; |
7932f811 | 1017 | |
6f766ada | 1018 | printf("\n digit energies = ") ; |
7932f811 | 1019 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
53ad38d8 | 1020 | printf(" %f ", fEnergyList[iDigit] ) ; |
6f766ada | 1021 | |
1022 | printf("\n digit primaries ") ; | |
1023 | if (fMulTrack<1) printf("... no primaries"); | |
bc68d12c | 1024 | for(iDigit = 0;iDigit < fMulTrack; iDigit++) |
53ad38d8 | 1025 | printf(" %d ", fTracksList[iDigit]) ; |
1026 | printf("\n") ; | |
6f766ada | 1027 | |
d15a28e7 | 1028 | } |
88714635 | 1029 | |
7932f811 | 1030 |