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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() | |
702ab87e | 35 | */ |
36 | ||
d15a28e7 | 37 | //_________________________________________________________________________ |
b2a60966 | 38 | // RecPoint implementation for PHOS-EMC |
39 | // An EmcRecPoint is a cluster of digits | |
6c8cd883 | 40 | //-- |
41 | //-- Author: Dmitri Peressounko (RRC KI & SUBATECH) | |
b2a60966 | 42 | |
d15a28e7 | 43 | |
44 | // --- ROOT system --- | |
9f616d61 | 45 | #include "TH2.h" |
d15a28e7 | 46 | #include "TMath.h" |
9f616d61 | 47 | #include "TCanvas.h" |
55fe9d13 | 48 | #include "TGraph.h" |
d15a28e7 | 49 | |
50 | // --- Standard library --- | |
51 | ||
d15a28e7 | 52 | // --- AliRoot header files --- |
351dd634 | 53 | #include "AliLog.h" |
e957fea8 | 54 | #include "AliPHOSLoader.h" |
88cb7938 | 55 | #include "AliGenerator.h" |
d15a28e7 | 56 | #include "AliPHOSGeometry.h" |
e957fea8 | 57 | #include "AliPHOSDigit.h" |
d15a28e7 | 58 | #include "AliPHOSEmcRecPoint.h" |
48c5db5b | 59 | #include "AliPHOSReconstructor.h" |
e957fea8 | 60 | |
d15a28e7 | 61 | ClassImp(AliPHOSEmcRecPoint) |
62 | ||
63 | //____________________________________________________________________________ | |
3663622c | 64 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint() : |
65 | AliPHOSRecPoint(), | |
66 | fCoreEnergy(0.), fDispersion(0.), | |
67 | fEnergyList(0), fTime(-1.), fNExMax(0), | |
68 | fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), | |
dce76bbb | 69 | fPhixe(0.), fDistToBadCrystal(-1),fDebug(0) |
d15a28e7 | 70 | { |
71 | // ctor | |
d15a28e7 | 72 | fMulDigit = 0 ; |
73 | fAmp = 0. ; | |
a6eedfad | 74 | fLocPos.SetX(1000000.) ; //Local position should be evaluated |
83974468 | 75 | } |
76 | ||
73a68ccb | 77 | //____________________________________________________________________________ |
3663622c | 78 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const char * opt) : |
79 | AliPHOSRecPoint(opt), | |
80 | fCoreEnergy(0.), fDispersion(0.), | |
81 | fEnergyList(0), fTime(-1.), fNExMax(0), | |
82 | fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), | |
dce76bbb | 83 | fPhixe(0.), fDistToBadCrystal(-1), fDebug(0) |
73a68ccb | 84 | { |
85 | // ctor | |
73a68ccb | 86 | fMulDigit = 0 ; |
87 | fAmp = 0. ; | |
73a68ccb | 88 | fLocPos.SetX(1000000.) ; //Local position should be evaluated |
73a68ccb | 89 | } |
90 | ||
55fe9d13 | 91 | //____________________________________________________________________________ |
3663622c | 92 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) : |
93 | AliPHOSRecPoint(rp), | |
94 | fCoreEnergy(rp.fCoreEnergy), fDispersion(rp.fDispersion), | |
95 | fEnergyList(0), fTime(rp.fTime), fNExMax(rp.fNExMax), | |
96 | fM2x(rp.fM2x), fM2z(rp.fM2z), fM3x(rp.fM3x), fM4z(rp.fM4z), | |
dce76bbb | 97 | fPhixe(rp.fPhixe), fDistToBadCrystal(rp.fDistToBadCrystal), fDebug(rp.fDebug) |
55fe9d13 | 98 | { |
99 | // cpy ctor | |
55fe9d13 | 100 | fMulDigit = rp.fMulDigit ; |
101 | fAmp = rp.fAmp ; | |
25779c68 | 102 | if (rp.fMulDigit>0) fEnergyList = new Float_t[rp.fMulDigit] ; |
103 | for(Int_t index = 0 ; index < fMulDigit ; index++) | |
55fe9d13 | 104 | fEnergyList[index] = rp.fEnergyList[index] ; |
55fe9d13 | 105 | } |
106 | ||
83974468 | 107 | //____________________________________________________________________________ |
108 | AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint() | |
109 | { | |
88714635 | 110 | // dtor |
83974468 | 111 | if ( fEnergyList ) |
112 | delete[] fEnergyList ; | |
d15a28e7 | 113 | } |
114 | ||
d15a28e7 | 115 | //____________________________________________________________________________ |
83974468 | 116 | void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) |
d15a28e7 | 117 | { |
b2a60966 | 118 | // Adds a digit to the RecPoint |
a4e98857 | 119 | // and accumulates the total amplitude and the multiplicity |
d15a28e7 | 120 | |
7932f811 | 121 | if(fEnergyList == 0) |
122 | fEnergyList = new Float_t[fMaxDigit]; | |
123 | ||
d15a28e7 | 124 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists |
9f616d61 | 125 | fMaxDigit*=2 ; |
0fbb8738 | 126 | Int_t * tempo = new Int_t[fMaxDigit]; |
127 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
9f616d61 | 128 | |
129 | Int_t index ; | |
d15a28e7 | 130 | for ( index = 0 ; index < fMulDigit ; index++ ){ |
83974468 | 131 | tempo[index] = fDigitsList[index] ; |
d15a28e7 | 132 | tempoE[index] = fEnergyList[index] ; |
133 | } | |
134 | ||
9f616d61 | 135 | delete [] fDigitsList ; |
0fbb8738 | 136 | fDigitsList = new Int_t[fMaxDigit]; |
9f616d61 | 137 | |
138 | delete [] fEnergyList ; | |
0fbb8738 | 139 | fEnergyList = new Float_t[fMaxDigit]; |
9f616d61 | 140 | |
141 | for ( index = 0 ; index < fMulDigit ; index++ ){ | |
142 | fDigitsList[index] = tempo[index] ; | |
143 | fEnergyList[index] = tempoE[index] ; | |
144 | } | |
145 | ||
146 | delete [] tempo ; | |
147 | delete [] tempoE ; | |
148 | } // if | |
d15a28e7 | 149 | |
83974468 | 150 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; |
151 | fEnergyList[fMulDigit] = Energy ; | |
152 | fMulDigit++ ; | |
d15a28e7 | 153 | fAmp += Energy ; |
7932f811 | 154 | |
155 | EvalPHOSMod(&digit) ; | |
d15a28e7 | 156 | } |
157 | ||
158 | //____________________________________________________________________________ | |
ad8cfaf4 | 159 | Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
d15a28e7 | 160 | { |
a4e98857 | 161 | // Tells if (true) or not (false) two digits are neighbors |
d15a28e7 | 162 | |
163 | Bool_t aren = kFALSE ; | |
164 | ||
686b771f | 165 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
7b7c1533 | 166 | |
d15a28e7 | 167 | Int_t relid1[4] ; |
92862013 | 168 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; |
d15a28e7 | 169 | |
170 | Int_t relid2[4] ; | |
92862013 | 171 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; |
d15a28e7 | 172 | |
92862013 | 173 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
174 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 175 | |
92862013 | 176 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) |
d15a28e7 | 177 | aren = kTRUE ; |
178 | ||
179 | return aren ; | |
180 | } | |
181 | ||
182 | //____________________________________________________________________________ | |
2a941f4e | 183 | Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const |
d15a28e7 | 184 | { |
b2a60966 | 185 | // Compares two RecPoints according to their position in the PHOS modules |
686b771f | 186 | |
187 | const Float_t delta = 1 ; //Width of "Sorting row". If you changibg this | |
7932f811 | 188 | //value (what is senseless) change as vell delta in |
189 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
d15a28e7 | 190 | Int_t rv ; |
191 | ||
192 | AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ; | |
193 | ||
194 | ||
ad8cfaf4 | 195 | Int_t phosmod1 = GetPHOSMod() ; |
92862013 | 196 | Int_t phosmod2 = clu->GetPHOSMod() ; |
d15a28e7 | 197 | |
92862013 | 198 | TVector3 locpos1; |
7932f811 | 199 | GetLocalPosition(locpos1) ; |
92862013 | 200 | TVector3 locpos2; |
201 | clu->GetLocalPosition(locpos2) ; | |
d15a28e7 | 202 | |
92862013 | 203 | if(phosmod1 == phosmod2 ) { |
7932f811 | 204 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; |
d15a28e7 | 205 | if (rowdif> 0) |
7932f811 | 206 | rv = 1 ; |
d15a28e7 | 207 | else if(rowdif < 0) |
7932f811 | 208 | rv = -1 ; |
92862013 | 209 | else if(locpos1.Z()>locpos2.Z()) |
d15a28e7 | 210 | rv = -1 ; |
211 | else | |
212 | rv = 1 ; | |
213 | } | |
214 | ||
215 | else { | |
92862013 | 216 | if(phosmod1 < phosmod2 ) |
d15a28e7 | 217 | rv = -1 ; |
218 | else | |
219 | rv = 1 ; | |
220 | } | |
221 | ||
222 | return rv ; | |
223 | } | |
9f616d61 | 224 | //______________________________________________________________________________ |
702ab87e | 225 | void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) /*const*/ |
9f616d61 | 226 | { |
9f616d61 | 227 | |
9688c1dd | 228 | // Execute action corresponding to one event |
229 | // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
230 | // | |
231 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
232 | // and switched off when the mouse button is released. | |
233 | ||
88cb7938 | 234 | |
686b771f | 235 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
83974468 | 236 | |
9688c1dd | 237 | static TGraph * digitgraph = 0 ; |
83974468 | 238 | |
9688c1dd | 239 | if (!gPad->IsEditable()) return; |
83974468 | 240 | |
9688c1dd | 241 | TH2F * histo = 0 ; |
242 | TCanvas * histocanvas ; | |
243 | ||
88cb7938 | 244 | |
245 | //try to get run loader from default event folder | |
e191bb57 | 246 | AliRunLoader* rn = AliRunLoader::GetRunLoader(AliConfig::GetDefaultEventFolderName()); |
88cb7938 | 247 | if (rn == 0x0) |
248 | { | |
351dd634 | 249 | AliError(Form("Cannot find Run Loader in Default Event Folder")); |
88cb7938 | 250 | return; |
251 | } | |
7fb9892d | 252 | AliPHOSLoader* phosLoader = dynamic_cast<AliPHOSLoader*>(rn->GetLoader("PHOSLoader")); |
253 | if (phosLoader == 0x0) | |
88cb7938 | 254 | { |
351dd634 | 255 | AliError(Form("Cannot find PHOS Loader from Run Loader")); |
88cb7938 | 256 | return; |
257 | } | |
258 | ||
259 | ||
7fb9892d | 260 | const TClonesArray * digits = phosLoader->Digits() ; |
9688c1dd | 261 | |
262 | switch (event) { | |
83974468 | 263 | |
9688c1dd | 264 | case kButton1Down: { |
265 | AliPHOSDigit * digit ; | |
266 | Int_t iDigit; | |
267 | Int_t relid[4] ; | |
83974468 | 268 | |
9688c1dd | 269 | const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ; |
270 | Float_t * xi = new Float_t[kMulDigit] ; | |
271 | Float_t * zi = new Float_t[kMulDigit] ; | |
83974468 | 272 | |
9688c1dd | 273 | // create the histogram for the single cluster |
274 | // 1. gets histogram boundaries | |
275 | Float_t ximax = -999. ; | |
276 | Float_t zimax = -999. ; | |
277 | Float_t ximin = 999. ; | |
278 | Float_t zimin = 999. ; | |
83974468 | 279 | |
9688c1dd | 280 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
281 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
282 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
283 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
284 | if ( xi[iDigit] > ximax ) | |
285 | ximax = xi[iDigit] ; | |
286 | if ( xi[iDigit] < ximin ) | |
287 | ximin = xi[iDigit] ; | |
288 | if ( zi[iDigit] > zimax ) | |
289 | zimax = zi[iDigit] ; | |
290 | if ( zi[iDigit] < zimin ) | |
291 | zimin = zi[iDigit] ; | |
292 | } | |
293 | ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
294 | zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
295 | ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
296 | zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
297 | Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
298 | Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
83974468 | 299 | |
9688c1dd | 300 | // 2. gets the histogram title |
83974468 | 301 | |
9688c1dd | 302 | Text_t title[100] ; |
303 | sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
83974468 | 304 | |
9688c1dd | 305 | if (!histo) { |
306 | delete histo ; | |
307 | histo = 0 ; | |
308 | } | |
309 | histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
83974468 | 310 | |
9688c1dd | 311 | Float_t x, z ; |
312 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
313 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
314 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
315 | phosgeom->RelPosInModule(relid, x, z); | |
316 | histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
317 | } | |
83974468 | 318 | |
9688c1dd | 319 | if (!digitgraph) { |
320 | digitgraph = new TGraph(kMulDigit,xi,zi); | |
321 | digitgraph-> SetMarkerStyle(5) ; | |
322 | digitgraph-> SetMarkerSize(1.) ; | |
323 | digitgraph-> SetMarkerColor(1) ; | |
324 | digitgraph-> Paint("P") ; | |
325 | } | |
83974468 | 326 | |
9688c1dd | 327 | // Print() ; |
328 | histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ; | |
329 | histocanvas->Draw() ; | |
330 | histo->Draw("lego1") ; | |
83974468 | 331 | |
9688c1dd | 332 | delete[] xi ; |
333 | delete[] zi ; | |
83974468 | 334 | |
9688c1dd | 335 | break; |
336 | } | |
83974468 | 337 | |
9688c1dd | 338 | case kButton1Up: |
339 | if (digitgraph) { | |
340 | delete digitgraph ; | |
341 | digitgraph = 0 ; | |
342 | } | |
343 | break; | |
9f616d61 | 344 | |
9688c1dd | 345 | } |
9f616d61 | 346 | } |
347 | ||
d15a28e7 | 348 | //____________________________________________________________________________ |
308fb942 | 349 | void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) |
d15a28e7 | 350 | { |
b2a60966 | 351 | // Calculates the dispersion of the shower at the origine of the RecPoint |
91daaf24 | 352 | //DP: should we correct dispersion for non-perpendicular hit???????? |
353 | ||
e5b16749 | 354 | Float_t d = 0. ; |
355 | Float_t wtot = 0. ; | |
d15a28e7 | 356 | |
d084d50d | 357 | Float_t x = 0.; |
358 | Float_t z = 0.; | |
d15a28e7 | 359 | |
360 | AliPHOSDigit * digit ; | |
7b7c1533 | 361 | |
686b771f | 362 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
e5b16749 | 363 | |
364 | // Calculates the center of gravity in the local PHOS-module coordinates | |
365 | ||
d15a28e7 | 366 | Int_t iDigit; |
e5b16749 | 367 | |
368 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
369 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
370 | Int_t relid[4] ; | |
371 | Float_t xi ; | |
372 | Float_t zi ; | |
373 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
374 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 375 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
376 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
377 | x += xi * w ; | |
378 | z += zi * w ; | |
379 | wtot += w ; | |
380 | } | |
381 | else | |
382 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
e5b16749 | 383 | } |
f33a3764 | 384 | if (wtot>0) { |
385 | x /= wtot ; | |
386 | z /= wtot ; | |
387 | } | |
388 | else | |
389 | AliError(Form("Wrong weight %f\n", wtot)); | |
e5b16749 | 390 | |
391 | ||
392 | // Calculates the dispersion in coordinates | |
393 | wtot = 0.; | |
88714635 | 394 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
7932f811 | 395 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
d15a28e7 | 396 | Int_t relid[4] ; |
397 | Float_t xi ; | |
398 | Float_t zi ; | |
92862013 | 399 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
400 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 401 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
402 | Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
403 | d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ; | |
404 | wtot+=w ; | |
405 | } | |
406 | else | |
407 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
d15a28e7 | 408 | } |
e5b16749 | 409 | |
7932f811 | 410 | |
f33a3764 | 411 | if (wtot>0) { |
412 | d /= wtot ; | |
413 | } | |
414 | else | |
415 | AliError(Form("Wrong weight %f\n", wtot)); | |
d15a28e7 | 416 | |
f33a3764 | 417 | fDispersion = 0; |
418 | if (d>=0) | |
419 | fDispersion = TMath::Sqrt(d) ; | |
91daaf24 | 420 | |
c63c49e9 | 421 | |
d15a28e7 | 422 | } |
fad3e5b9 | 423 | //______________________________________________________________________________ |
d55c9739 | 424 | void AliPHOSEmcRecPoint::EvalCoreEnergy(Float_t logWeight, Float_t coreRadius, TClonesArray * digits) |
fad3e5b9 | 425 | { |
a4e98857 | 426 | // This function calculates energy in the core, |
427 | // i.e. within a radius rad = 3cm around the center. Beyond this radius | |
428 | // in accordance with shower profile the energy deposition | |
fad3e5b9 | 429 | // should be less than 2% |
91daaf24 | 430 | //DP: non-perpendicular incidence?????????????? |
fad3e5b9 | 431 | |
e5b16749 | 432 | Float_t x = 0 ; |
433 | Float_t z = 0 ; | |
fad3e5b9 | 434 | |
435 | AliPHOSDigit * digit ; | |
7b7c1533 | 436 | |
686b771f | 437 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
88cb7938 | 438 | |
fad3e5b9 | 439 | Int_t iDigit; |
e5b16749 | 440 | |
441 | // Calculates the center of gravity in the local PHOS-module coordinates | |
442 | Float_t wtot = 0; | |
443 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
444 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
445 | Int_t relid[4] ; | |
446 | Float_t xi ; | |
447 | Float_t zi ; | |
448 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
449 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 450 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
451 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
452 | x += xi * w ; | |
453 | z += zi * w ; | |
454 | wtot += w ; | |
455 | } | |
456 | else | |
457 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
e5b16749 | 458 | } |
f33a3764 | 459 | if (wtot>0) { |
460 | x /= wtot ; | |
461 | z /= wtot ; | |
462 | } | |
463 | else | |
464 | AliError(Form("Wrong weight %f\n", wtot)); | |
e5b16749 | 465 | |
466 | ||
fad3e5b9 | 467 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
7932f811 | 468 | digit = (AliPHOSDigit *) ( digits->At(fDigitsList[iDigit]) ) ; |
fad3e5b9 | 469 | Int_t relid[4] ; |
470 | Float_t xi ; | |
471 | Float_t zi ; | |
472 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
473 | phosgeom->RelPosInModule(relid, xi, zi); | |
474 | Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(zi-z)*(zi-z)) ; | |
475 | if(distance < coreRadius) | |
7932f811 | 476 | fCoreEnergy += fEnergyList[iDigit] ; |
fad3e5b9 | 477 | } |
478 | ||
91daaf24 | 479 | |
fad3e5b9 | 480 | } |
d15a28e7 | 481 | |
482 | //____________________________________________________________________________ | |
308fb942 | 483 | void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) |
d15a28e7 | 484 | { |
b2a60966 | 485 | // Calculates the axis of the shower ellipsoid |
83974468 | 486 | |
e8dbb96e | 487 | Double_t wtot = 0. ; |
488 | Double_t x = 0.; | |
489 | Double_t z = 0.; | |
490 | Double_t dxx = 0.; | |
491 | Double_t dzz = 0.; | |
492 | Double_t dxz = 0.; | |
d15a28e7 | 493 | |
494 | AliPHOSDigit * digit ; | |
7b7c1533 | 495 | |
686b771f | 496 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); |
7b7c1533 | 497 | |
d15a28e7 | 498 | Int_t iDigit; |
499 | ||
e5b16749 | 500 | |
d15a28e7 | 501 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
7932f811 | 502 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
d15a28e7 | 503 | Int_t relid[4] ; |
504 | Float_t xi ; | |
505 | Float_t zi ; | |
92862013 | 506 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
507 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 508 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
509 | Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
510 | dxx += w * xi * xi ; | |
511 | x += w * xi ; | |
512 | dzz += w * zi * zi ; | |
513 | z += w * zi ; | |
514 | dxz += w * xi * zi ; | |
515 | wtot += w ; | |
516 | } | |
517 | else | |
518 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
d15a28e7 | 519 | } |
f33a3764 | 520 | if (wtot>0) { |
521 | dxx /= wtot ; | |
522 | x /= wtot ; | |
523 | dxx -= x * x ; | |
524 | dzz /= wtot ; | |
525 | z /= wtot ; | |
526 | dzz -= z * z ; | |
527 | dxz /= wtot ; | |
528 | dxz -= x * z ; | |
d15a28e7 | 529 | |
69183710 | 530 | // //Apply correction due to non-perpendicular incidence |
531 | // Double_t CosX ; | |
532 | // Double_t CosZ ; | |
7fb9892d | 533 | // AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
91daaf24 | 534 | // Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ; |
69183710 | 535 | |
536 | // CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ; | |
537 | // CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ; | |
538 | ||
539 | // dxx = dxx/(CosX*CosX) ; | |
540 | // dzz = dzz/(CosZ*CosZ) ; | |
541 | // dxz = dxz/(CosX*CosZ) ; | |
542 | ||
543 | ||
f33a3764 | 544 | fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
545 | if(fLambda[0] > 0) | |
546 | fLambda[0] = TMath::Sqrt(fLambda[0]) ; | |
e8dbb96e | 547 | |
f33a3764 | 548 | fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
549 | if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda. | |
550 | fLambda[1] = TMath::Sqrt(fLambda[1]) ; | |
551 | else | |
552 | fLambda[1]= 0. ; | |
553 | } | |
554 | else { | |
555 | AliError(Form("Wrong weight %f\n", wtot)); | |
556 | fLambda[0]=fLambda[1]=0.; | |
557 | } | |
d15a28e7 | 558 | } |
559 | ||
ce2a9a95 | 560 | //____________________________________________________________________________ |
308fb942 | 561 | void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) |
ce2a9a95 | 562 | { |
563 | // Calculate the shower moments in the eigen reference system | |
564 | // M2x, M2z, M3x, M4z | |
565 | // Calculate the angle between the shower position vector and the eigen vector | |
566 | ||
567 | Double_t wtot = 0. ; | |
568 | Double_t x = 0.; | |
569 | Double_t z = 0.; | |
570 | Double_t dxx = 0.; | |
571 | Double_t dzz = 0.; | |
572 | Double_t dxz = 0.; | |
573 | Double_t lambda0=0, lambda1=0; | |
574 | ||
575 | AliPHOSDigit * digit ; | |
576 | ||
686b771f | 577 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
ce2a9a95 | 578 | |
579 | Int_t iDigit; | |
580 | ||
581 | // 1) Find covariance matrix elements: | |
582 | // || dxx dxz || | |
583 | // || dxz dzz || | |
584 | ||
585 | Float_t xi ; | |
586 | Float_t zi ; | |
587 | Int_t relid[4] ; | |
588 | Double_t w; | |
589 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
590 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
591 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
592 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 593 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
594 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
595 | x += w * xi ; | |
596 | z += w * zi ; | |
597 | dxx += w * xi * xi ; | |
598 | dzz += w * zi * zi ; | |
599 | dxz += w * xi * zi ; | |
600 | wtot += w ; | |
601 | } | |
602 | else | |
603 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
604 | ||
ce2a9a95 | 605 | } |
f33a3764 | 606 | if (wtot>0) { |
607 | x /= wtot ; | |
608 | z /= wtot ; | |
609 | dxx /= wtot ; | |
610 | dzz /= wtot ; | |
611 | dxz /= wtot ; | |
612 | dxx -= x * x ; | |
613 | dzz -= z * z ; | |
614 | dxz -= x * z ; | |
ce2a9a95 | 615 | |
616 | // 2) Find covariance matrix eigen values lambda0 and lambda1 | |
617 | ||
f33a3764 | 618 | lambda0 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
619 | lambda1 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; | |
620 | } | |
621 | else { | |
622 | AliError(Form("Wrong weight %f\n", wtot)); | |
623 | lambda0=lambda1=0.; | |
624 | } | |
ce2a9a95 | 625 | |
626 | // 3) Find covariance matrix eigen vectors e0 and e1 | |
627 | ||
628 | TVector2 e0,e1; | |
629 | if (dxz != 0) | |
630 | e0.Set(1.,(lambda0-dxx)/dxz); | |
631 | else | |
632 | e0.Set(0.,1.); | |
633 | ||
634 | e0 = e0.Unit(); | |
635 | e1.Set(-e0.Y(),e0.X()); | |
636 | ||
637 | // 4) Rotate cluster tensor from (x,z) to (e0,e1) system | |
638 | // and calculate moments M3x and M4z | |
639 | ||
640 | Float_t cosPhi = e0.X(); | |
641 | Float_t sinPhi = e0.Y(); | |
642 | ||
643 | Float_t xiPHOS ; | |
644 | Float_t ziPHOS ; | |
645 | Double_t dx3, dz3, dz4; | |
646 | wtot = 0.; | |
647 | x = 0.; | |
648 | z = 0.; | |
649 | dxx = 0.; | |
650 | dzz = 0.; | |
651 | dxz = 0.; | |
652 | dx3 = 0.; | |
653 | dz3 = 0.; | |
654 | dz4 = 0.; | |
655 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
656 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; | |
657 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
658 | phosgeom->RelPosInModule(relid, xiPHOS, ziPHOS); | |
659 | xi = xiPHOS*cosPhi + ziPHOS*sinPhi; | |
660 | zi = ziPHOS*cosPhi - xiPHOS*sinPhi; | |
f33a3764 | 661 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
662 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
663 | x += w * xi ; | |
664 | z += w * zi ; | |
665 | dxx += w * xi * xi ; | |
666 | dzz += w * zi * zi ; | |
667 | dxz += w * xi * zi ; | |
668 | dx3 += w * xi * xi * xi; | |
669 | dz3 += w * zi * zi * zi ; | |
670 | dz4 += w * zi * zi * zi * zi ; | |
671 | wtot += w ; | |
672 | } | |
673 | else | |
674 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
ce2a9a95 | 675 | } |
f33a3764 | 676 | if (wtot>0) { |
677 | x /= wtot ; | |
678 | z /= wtot ; | |
679 | dxx /= wtot ; | |
680 | dzz /= wtot ; | |
681 | dxz /= wtot ; | |
682 | dx3 /= wtot ; | |
683 | dz3 /= wtot ; | |
684 | dz4 /= wtot ; | |
685 | dx3 += -3*dxx*x + 2*x*x*x; | |
686 | dz4 += -4*dz3*z + 6*dzz*z*z -3*z*z*z*z; | |
687 | dxx -= x * x ; | |
688 | dzz -= z * z ; | |
689 | dxz -= x * z ; | |
690 | } | |
691 | else | |
692 | AliError(Form("Wrong weight %f\n", wtot)); | |
ce2a9a95 | 693 | |
694 | // 5) Find an angle between cluster center vector and eigen vector e0 | |
695 | ||
f33a3764 | 696 | Float_t phi = 0; |
697 | if ( (x*x+z*z) > 0 ) | |
698 | phi = TMath::ACos ((x*e0.X() + z*e0.Y()) / sqrt(x*x + z*z)); | |
ce2a9a95 | 699 | |
700 | fM2x = lambda0; | |
701 | fM2z = lambda1; | |
702 | fM3x = dx3; | |
703 | fM4z = dz4; | |
704 | fPhixe = phi; | |
705 | ||
706 | } | |
c307c629 | 707 | //______________________________________________________________________________ |
708 | void AliPHOSEmcRecPoint::EvalPrimaries(TClonesArray * digits) | |
709 | { | |
710 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint | |
711 | ||
712 | AliPHOSDigit * digit ; | |
713 | Int_t * tempo = new Int_t[fMaxTrack] ; | |
714 | ||
715 | //First find digit with maximal energy deposition and copy its primaries | |
716 | Float_t emax=0.; | |
717 | Int_t imaxDigit=0; | |
718 | for(Int_t id=0; id<GetDigitsMultiplicity(); id++){ | |
719 | if(emax<fEnergyList[id]) | |
720 | imaxDigit=id ; | |
721 | } | |
722 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[imaxDigit] )) ; | |
723 | Int_t nprimaries = digit->GetNprimary() ; | |
724 | if ( nprimaries > fMaxTrack ) { | |
725 | fMulTrack = - 1 ; | |
726 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; | |
727 | nprimaries = fMaxTrack; //skip the rest | |
728 | } | |
7fb719de | 729 | for(fMulTrack=0; fMulTrack<nprimaries ; fMulTrack++){ |
730 | tempo[fMulTrack] = digit->GetPrimary(fMulTrack+1) ; | |
c307c629 | 731 | } |
732 | ||
733 | //Now add other digits contributions | |
734 | for (Int_t index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
735 | if(index==imaxDigit) //already in | |
736 | continue ; | |
737 | digit = dynamic_cast<AliPHOSDigit *>(digits->At( fDigitsList[index] )) ; | |
738 | nprimaries = digit->GetNprimary() ; | |
739 | for(Int_t ipr=0; ipr<nprimaries; ipr++){ | |
740 | Int_t iprimary = digit->GetPrimary(ipr+1) ; | |
741 | Bool_t notIn=1 ; | |
742 | for(Int_t kndex = 0 ; (kndex < fMulTrack)&& notIn ; kndex++ ) { //check if not already stored | |
743 | if(iprimary == tempo[kndex]){ | |
744 | notIn = kFALSE ; | |
745 | } | |
746 | } | |
747 | if(notIn){ | |
748 | if(fMulTrack<fMaxTrack){ | |
749 | tempo[fMulTrack]=iprimary ; | |
750 | fMulTrack++ ; | |
751 | } | |
752 | else{ | |
753 | Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack!!!" ) ; | |
754 | break ; | |
755 | } | |
756 | } | |
757 | } | |
758 | } // all digits | |
c307c629 | 759 | if(fMulTrack > 0){ |
760 | if(fTracksList)delete [] fTracksList; | |
761 | fTracksList = new Int_t[fMulTrack] ; | |
762 | } | |
763 | for(Int_t index = 0; index < fMulTrack; index++) | |
764 | fTracksList[index] = tempo[index] ; | |
765 | ||
766 | delete [] tempo ; | |
767 | ||
768 | } | |
769 | ||
b2a60966 | 770 | //____________________________________________________________________________ |
e347da7b | 771 | void AliPHOSEmcRecPoint::EvalAll(TClonesArray * digits ) |
ad8cfaf4 | 772 | { |
d55c9739 | 773 | // EvalCoreEnergy(logWeight, digits); |
a6eedfad | 774 | EvalTime(digits) ; |
c307c629 | 775 | EvalPrimaries(digits) ; |
e957fea8 | 776 | AliPHOSRecPoint::EvalAll(digits) ; |
ad8cfaf4 | 777 | } |
778 | //____________________________________________________________________________ | |
91daaf24 | 779 | void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits ) |
780 | { | |
781 | // Evaluates all shower parameters | |
782 | TVector3 vInc ; | |
783 | EvalLocalPosition(logWeight, vtx, digits,vInc) ; | |
784 | EvalElipsAxis(logWeight, digits, vInc) ; //they are evaluated with momenta | |
785 | EvalMoments(logWeight, digits, vInc) ; | |
786 | EvalDispersion(logWeight, digits, vInc) ; | |
787 | } | |
788 | //____________________________________________________________________________ | |
789 | void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 &vtx, TClonesArray * digits, TVector3 &vInc) | |
b2a60966 | 790 | { |
791 | // Calculates the center of gravity in the local PHOS-module coordinates | |
b2a60966 | 792 | Float_t wtot = 0. ; |
793 | ||
794 | Int_t relid[4] ; | |
795 | ||
796 | Float_t x = 0. ; | |
797 | Float_t z = 0. ; | |
798 | ||
799 | AliPHOSDigit * digit ; | |
800 | ||
686b771f | 801 | AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; |
b2a60966 | 802 | |
803 | Int_t iDigit; | |
804 | ||
b2a60966 | 805 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
7932f811 | 806 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
b2a60966 | 807 | |
808 | Float_t xi ; | |
809 | Float_t zi ; | |
810 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
811 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 812 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
813 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
814 | x += xi * w ; | |
815 | z += zi * w ; | |
816 | wtot += w ; | |
817 | } | |
818 | else | |
819 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
9ce1a8d9 | 820 | } |
f33a3764 | 821 | if (wtot>0) { |
822 | x /= wtot ; | |
823 | z /= wtot ; | |
824 | } | |
825 | else | |
826 | AliError(Form("Wrong weight %f\n", wtot)); | |
ad8cfaf4 | 827 | |
828 | // Correction for the depth of the shower starting point (TDR p 127) | |
829 | Float_t para = 0.925 ; | |
830 | Float_t parb = 6.52 ; | |
831 | ||
91daaf24 | 832 | phosgeom->GetIncidentVector(vtx,GetPHOSMod(),x,z,vInc) ; |
1b799736 | 833 | |
f33a3764 | 834 | Float_t depthx = 0.; |
835 | Float_t depthz = 0.; | |
91daaf24 | 836 | if (fAmp>0&&vInc.Y()!=0.) { |
753b19cd | 837 | depthx = ( para * TMath::Log(fAmp) + parb ) * vInc.X()/TMath::Abs(vInc.Y()) ; |
838 | depthz = ( para * TMath::Log(fAmp) + parb ) * vInc.Z()/TMath::Abs(vInc.Y()) ; | |
f33a3764 | 839 | } |
840 | else | |
841 | AliError(Form("Wrong amplitude %f\n", fAmp)); | |
ad8cfaf4 | 842 | |
843 | fLocPos.SetX(x - depthx) ; | |
b2a60966 | 844 | fLocPos.SetY(0.) ; |
ad8cfaf4 | 845 | fLocPos.SetZ(z - depthz) ; |
b2a60966 | 846 | |
b2a60966 | 847 | } |
848 | ||
d15a28e7 | 849 | //____________________________________________________________________________ |
ad8cfaf4 | 850 | Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void) const |
d15a28e7 | 851 | { |
b2a60966 | 852 | // Finds the maximum energy in the cluster |
853 | ||
d15a28e7 | 854 | Float_t menergy = 0. ; |
855 | ||
856 | Int_t iDigit; | |
857 | ||
858 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
859 | ||
860 | if(fEnergyList[iDigit] > menergy) | |
861 | menergy = fEnergyList[iDigit] ; | |
862 | } | |
863 | return menergy ; | |
864 | } | |
865 | ||
866 | //____________________________________________________________________________ | |
fc7e2f43 | 867 | Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(Float_t H) const |
d15a28e7 | 868 | { |
b2a60966 | 869 | // Calculates the multiplicity of digits with energy larger than H*energy |
870 | ||
d15a28e7 | 871 | Int_t multipl = 0 ; |
872 | Int_t iDigit ; | |
873 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
874 | ||
875 | if(fEnergyList[iDigit] > H * fAmp) | |
876 | multipl++ ; | |
877 | } | |
878 | return multipl ; | |
879 | } | |
880 | ||
881 | //____________________________________________________________________________ | |
a0636361 | 882 | Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax( AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, |
7932f811 | 883 | Float_t locMaxCut,TClonesArray * digits) const |
d15a28e7 | 884 | { |
b2a60966 | 885 | // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum |
a4e98857 | 886 | // energy difference between two local maxima |
b2a60966 | 887 | |
d15a28e7 | 888 | AliPHOSDigit * digit ; |
889 | AliPHOSDigit * digitN ; | |
890 | ||
891 | ||
892 | Int_t iDigitN ; | |
893 | Int_t iDigit ; | |
894 | ||
7932f811 | 895 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) |
a0636361 | 896 | maxAt[iDigit] = (AliPHOSDigit*) digits->At(fDigitsList[iDigit]) ; |
7932f811 | 897 | |
d15a28e7 | 898 | |
6ad0bfa0 | 899 | for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { |
a0636361 | 900 | if(maxAt[iDigit]) { |
901 | digit = maxAt[iDigit] ; | |
83974468 | 902 | |
6ad0bfa0 | 903 | for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { |
686b771f | 904 | if(iDigit == iDigitN) |
905 | continue ; | |
906 | ||
7932f811 | 907 | digitN = (AliPHOSDigit *) digits->At(fDigitsList[iDigitN]) ; |
d15a28e7 | 908 | |
9f616d61 | 909 | if ( AreNeighbours(digit, digitN) ) { |
d15a28e7 | 910 | if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { |
a0636361 | 911 | maxAt[iDigitN] = 0 ; |
6ad0bfa0 | 912 | // but may be digit too is not local max ? |
7932f811 | 913 | if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut) |
a0636361 | 914 | maxAt[iDigit] = 0 ; |
d15a28e7 | 915 | } |
916 | else { | |
a0636361 | 917 | maxAt[iDigit] = 0 ; |
6ad0bfa0 | 918 | // but may be digitN too is not local max ? |
7932f811 | 919 | if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut) |
a0636361 | 920 | maxAt[iDigitN] = 0 ; |
d15a28e7 | 921 | } |
922 | } // if Areneighbours | |
923 | } // while digitN | |
924 | } // slot not empty | |
925 | } // while digit | |
926 | ||
927 | iDigitN = 0 ; | |
6ad0bfa0 | 928 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { |
a0636361 | 929 | if(maxAt[iDigit]){ |
d15a28e7 | 930 | maxAt[iDigitN] = maxAt[iDigit] ; |
9f616d61 | 931 | maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; |
932 | iDigitN++ ; | |
d15a28e7 | 933 | } |
934 | } | |
935 | return iDigitN ; | |
936 | } | |
9688c1dd | 937 | //____________________________________________________________________________ |
0bc3b8ed | 938 | void AliPHOSEmcRecPoint::EvalTime(TClonesArray * digits) |
939 | { | |
940 | // Define a rec.point time as a time in the cell with the maximum energy | |
941 | ||
9688c1dd | 942 | Float_t maxE = 0; |
943 | Int_t maxAt = 0; | |
944 | for(Int_t idig=0; idig < fMulDigit; idig++){ | |
945 | if(fEnergyList[idig] > maxE){ | |
946 | maxE = fEnergyList[idig] ; | |
947 | maxAt = idig; | |
948 | } | |
949 | } | |
950 | fTime = ((AliPHOSDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ; | |
951 | ||
952 | } | |
d15a28e7 | 953 | //____________________________________________________________________________ |
092b50ba | 954 | void AliPHOSEmcRecPoint::Purify(Float_t threshold){ |
955 | //Removes digits below threshold | |
956 | ||
0fbb8738 | 957 | Int_t * tempo = new Int_t[fMaxDigit]; |
958 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
092b50ba | 959 | |
960 | Int_t mult = 0 ; | |
961 | for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ | |
962 | if(fEnergyList[iDigit] > threshold){ | |
963 | tempo[mult] = fDigitsList[iDigit] ; | |
964 | tempoE[mult] = fEnergyList[iDigit] ; | |
965 | mult++ ; | |
966 | } | |
967 | } | |
968 | ||
969 | fMulDigit = mult ; | |
970 | delete [] fDigitsList ; | |
971 | delete [] fEnergyList ; | |
0fbb8738 | 972 | fDigitsList = new Int_t[fMulDigit]; |
973 | fEnergyList = new Float_t[fMulDigit]; | |
092b50ba | 974 | |
0458aa58 | 975 | fAmp = 0.; //Recalculate total energy |
092b50ba | 976 | for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ |
0458aa58 | 977 | fDigitsList[iDigit] = tempo[iDigit]; |
978 | fEnergyList[iDigit] = tempoE[iDigit] ; | |
979 | fAmp+=tempoE[iDigit]; | |
092b50ba | 980 | } |
981 | ||
982 | delete [] tempo ; | |
983 | delete [] tempoE ; | |
984 | ||
985 | } | |
986 | //____________________________________________________________________________ | |
a8c47ab6 | 987 | void AliPHOSEmcRecPoint::Print(Option_t *) const |
d15a28e7 | 988 | { |
b2a60966 | 989 | // Print the list of digits belonging to the cluster |
990 | ||
21cd0c07 | 991 | TString message ; |
992 | message = "AliPHOSEmcRecPoint:\n" ; | |
6f766ada | 993 | message += "Digit multiplicity = %d" ; |
994 | message += ", cluster Energy = %f" ; | |
995 | message += ", number of primaries = %d" ; | |
996 | message += ", rec.point index = %d \n" ; | |
997 | printf(message.Data(), fMulDigit, fAmp, fMulTrack,GetIndexInList() ) ; | |
d15a28e7 | 998 | |
d15a28e7 | 999 | Int_t iDigit; |
6f766ada | 1000 | printf(" digits ids = ") ; |
7932f811 | 1001 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
53ad38d8 | 1002 | printf(" %d ", fDigitsList[iDigit] ) ; |
7932f811 | 1003 | |
6f766ada | 1004 | printf("\n digit energies = ") ; |
7932f811 | 1005 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
53ad38d8 | 1006 | printf(" %f ", fEnergyList[iDigit] ) ; |
6f766ada | 1007 | |
1008 | printf("\n digit primaries ") ; | |
1009 | if (fMulTrack<1) printf("... no primaries"); | |
bc68d12c | 1010 | for(iDigit = 0;iDigit < fMulTrack; iDigit++) |
53ad38d8 | 1011 | printf(" %d ", fTracksList[iDigit]) ; |
1012 | printf("\n") ; | |
6f766ada | 1013 | |
d15a28e7 | 1014 | } |
88714635 | 1015 | |
7932f811 | 1016 |