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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 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
b2a60966 | 19 | // RecPoint implementation for PHOS-EMC |
20 | // An EmcRecPoint is a cluster of digits | |
21 | // | |
22 | //*-- Author: Dmitri Peressounko (RRC KI & SUBATECH) | |
23 | ||
d15a28e7 | 24 | |
25 | // --- ROOT system --- | |
9f616d61 | 26 | #include "TPad.h" |
27 | #include "TH2.h" | |
d15a28e7 | 28 | #include "TMath.h" |
9f616d61 | 29 | #include "TCanvas.h" |
d15a28e7 | 30 | |
31 | // --- Standard library --- | |
32 | ||
de9ec31b | 33 | #include <iostream.h> |
d15a28e7 | 34 | |
35 | // --- AliRoot header files --- | |
36 | ||
5830e1d9 | 37 | #include "AliGenerator.h" |
d15a28e7 | 38 | #include "AliPHOSGeometry.h" |
39 | #include "AliPHOSEmcRecPoint.h" | |
40 | #include "AliRun.h" | |
83974468 | 41 | #include "AliPHOSIndexToObject.h" |
d15a28e7 | 42 | |
43 | ClassImp(AliPHOSEmcRecPoint) | |
44 | ||
45 | //____________________________________________________________________________ | |
46 | AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(Float_t W0, Float_t LocMaxCut) | |
47 | : AliPHOSRecPoint() | |
48 | { | |
49 | // ctor | |
50 | ||
51 | fMulDigit = 0 ; | |
52 | fAmp = 0. ; | |
53 | fEnergyList = new Float_t[fMaxDigit]; | |
ad8cfaf4 | 54 | fGeom = AliPHOSGeometry::GetInstance() ; |
55 | fDelta = ((AliPHOSGeometry *) fGeom)->GetCrystalSize(0) ; | |
d15a28e7 | 56 | fW0 = W0 ; |
57 | fLocMaxCut = LocMaxCut ; | |
58 | fLocPos.SetX(1000000.) ; //Local position should be evaluated | |
69183710 | 59 | |
83974468 | 60 | } |
61 | ||
62 | //____________________________________________________________________________ | |
63 | AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint() | |
64 | { | |
88714635 | 65 | // dtor |
83974468 | 66 | if ( fEnergyList ) |
67 | delete[] fEnergyList ; | |
d15a28e7 | 68 | } |
69 | ||
d15a28e7 | 70 | //____________________________________________________________________________ |
83974468 | 71 | void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) |
d15a28e7 | 72 | { |
b2a60966 | 73 | // Adds a digit to the RecPoint |
74 | // and accumulates the total amplitude and the multiplicity | |
d15a28e7 | 75 | |
76 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists | |
9f616d61 | 77 | fMaxDigit*=2 ; |
83974468 | 78 | Int_t * tempo = new ( Int_t[fMaxDigit] ) ; |
9f616d61 | 79 | Float_t * tempoE = new ( Float_t[fMaxDigit] ) ; |
80 | ||
81 | Int_t index ; | |
d15a28e7 | 82 | for ( index = 0 ; index < fMulDigit ; index++ ){ |
83974468 | 83 | tempo[index] = fDigitsList[index] ; |
d15a28e7 | 84 | tempoE[index] = fEnergyList[index] ; |
85 | } | |
86 | ||
9f616d61 | 87 | delete [] fDigitsList ; |
83974468 | 88 | fDigitsList = new ( Int_t[fMaxDigit] ) ; |
9f616d61 | 89 | |
90 | delete [] fEnergyList ; | |
91 | fEnergyList = new ( Float_t[fMaxDigit] ) ; | |
92 | ||
93 | for ( index = 0 ; index < fMulDigit ; index++ ){ | |
94 | fDigitsList[index] = tempo[index] ; | |
95 | fEnergyList[index] = tempoE[index] ; | |
96 | } | |
97 | ||
98 | delete [] tempo ; | |
99 | delete [] tempoE ; | |
100 | } // if | |
d15a28e7 | 101 | |
83974468 | 102 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; |
103 | fEnergyList[fMulDigit] = Energy ; | |
104 | fMulDigit++ ; | |
d15a28e7 | 105 | fAmp += Energy ; |
106 | } | |
107 | ||
108 | //____________________________________________________________________________ | |
ad8cfaf4 | 109 | Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
d15a28e7 | 110 | { |
b2a60966 | 111 | // Tells if (true) or not (false) two digits are neighbors) |
d15a28e7 | 112 | |
113 | Bool_t aren = kFALSE ; | |
114 | ||
92862013 | 115 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 116 | Int_t relid1[4] ; |
92862013 | 117 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; |
d15a28e7 | 118 | |
119 | Int_t relid2[4] ; | |
92862013 | 120 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; |
d15a28e7 | 121 | |
92862013 | 122 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; |
123 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
d15a28e7 | 124 | |
92862013 | 125 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) |
d15a28e7 | 126 | aren = kTRUE ; |
127 | ||
128 | return aren ; | |
129 | } | |
130 | ||
131 | //____________________________________________________________________________ | |
2a941f4e | 132 | Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const |
d15a28e7 | 133 | { |
b2a60966 | 134 | // Compares two RecPoints according to their position in the PHOS modules |
135 | ||
d15a28e7 | 136 | Int_t rv ; |
137 | ||
138 | AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ; | |
139 | ||
140 | ||
ad8cfaf4 | 141 | Int_t phosmod1 = GetPHOSMod() ; |
92862013 | 142 | Int_t phosmod2 = clu->GetPHOSMod() ; |
d15a28e7 | 143 | |
92862013 | 144 | TVector3 locpos1; |
145 | this->GetLocalPosition(locpos1) ; | |
146 | TVector3 locpos2; | |
147 | clu->GetLocalPosition(locpos2) ; | |
d15a28e7 | 148 | |
92862013 | 149 | if(phosmod1 == phosmod2 ) { |
150 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/fDelta)-(Int_t)TMath::Ceil(locpos2.X()/fDelta) ; | |
d15a28e7 | 151 | if (rowdif> 0) |
152 | rv = -1 ; | |
153 | else if(rowdif < 0) | |
154 | rv = 1 ; | |
92862013 | 155 | else if(locpos1.Z()>locpos2.Z()) |
d15a28e7 | 156 | rv = -1 ; |
157 | else | |
158 | rv = 1 ; | |
159 | } | |
160 | ||
161 | else { | |
92862013 | 162 | if(phosmod1 < phosmod2 ) |
d15a28e7 | 163 | rv = -1 ; |
164 | else | |
165 | rv = 1 ; | |
166 | } | |
167 | ||
168 | return rv ; | |
169 | } | |
170 | ||
9f616d61 | 171 | //______________________________________________________________________________ |
172 | void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
173 | { | |
b2a60966 | 174 | // Execute action corresponding to one event |
6ad0bfa0 | 175 | // This member function is called when a AliPHOSRecPoint is clicked with the locator |
176 | // | |
177 | // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
178 | // and switched off when the mouse button is released. | |
179 | // | |
9f616d61 | 180 | |
181 | // static Int_t pxold, pyold; | |
182 | ||
83974468 | 183 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
9f616d61 | 184 | |
83974468 | 185 | static TGraph * digitgraph = 0 ; |
186 | ||
187 | if (!gPad->IsEditable()) return; | |
188 | ||
189 | TH2F * histo = 0 ; | |
190 | TCanvas * histocanvas ; | |
191 | ||
192 | switch (event) { | |
193 | ||
194 | case kButton1Down: { | |
195 | AliPHOSDigit * digit ; | |
196 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
197 | Int_t iDigit; | |
198 | Int_t relid[4] ; | |
199 | ||
88714635 | 200 | const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ; |
201 | Float_t * xi = new Float_t[kMulDigit] ; | |
202 | Float_t * zi = new Float_t[kMulDigit] ; | |
83974468 | 203 | |
204 | // create the histogram for the single cluster | |
205 | // 1. gets histogram boundaries | |
206 | Float_t ximax = -999. ; | |
207 | Float_t zimax = -999. ; | |
208 | Float_t ximin = 999. ; | |
209 | Float_t zimin = 999. ; | |
210 | ||
88714635 | 211 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
83974468 | 212 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; |
213 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
214 | phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
215 | if ( xi[iDigit] > ximax ) | |
216 | ximax = xi[iDigit] ; | |
217 | if ( xi[iDigit] < ximin ) | |
218 | ximin = xi[iDigit] ; | |
219 | if ( zi[iDigit] > zimax ) | |
220 | zimax = zi[iDigit] ; | |
221 | if ( zi[iDigit] < zimin ) | |
222 | zimin = zi[iDigit] ; | |
223 | } | |
224 | ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
225 | zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
226 | ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
227 | zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
228 | Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
229 | Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
230 | ||
231 | // 2. gets the histogram title | |
232 | ||
233 | Text_t title[100] ; | |
234 | sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
235 | ||
236 | if (!histo) { | |
237 | delete histo ; | |
238 | histo = 0 ; | |
239 | } | |
240 | histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
241 | ||
242 | Float_t x, z ; | |
88714635 | 243 | for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
83974468 | 244 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; |
245 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
246 | phosgeom->RelPosInModule(relid, x, z); | |
247 | histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
248 | } | |
249 | ||
250 | if (!digitgraph) { | |
88714635 | 251 | digitgraph = new TGraph(kMulDigit,xi,zi); |
83974468 | 252 | digitgraph-> SetMarkerStyle(5) ; |
253 | digitgraph-> SetMarkerSize(1.) ; | |
254 | digitgraph-> SetMarkerColor(1) ; | |
255 | digitgraph-> Paint("P") ; | |
256 | } | |
257 | ||
258 | Print() ; | |
259 | histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
260 | histocanvas->Draw() ; | |
261 | histo->Draw("lego1") ; | |
262 | ||
263 | delete[] xi ; | |
264 | delete[] zi ; | |
265 | ||
266 | break; | |
267 | } | |
268 | ||
269 | case kButton1Up: | |
270 | if (digitgraph) { | |
271 | delete digitgraph ; | |
272 | digitgraph = 0 ; | |
273 | } | |
274 | break; | |
9f616d61 | 275 | |
276 | } | |
277 | } | |
278 | ||
d15a28e7 | 279 | //____________________________________________________________________________ |
ad8cfaf4 | 280 | Float_t AliPHOSEmcRecPoint::GetDispersion() const |
d15a28e7 | 281 | { |
b2a60966 | 282 | // Calculates the dispersion of the shower at the origine of the RecPoint |
283 | ||
83974468 | 284 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
285 | ||
92862013 | 286 | Float_t d = 0 ; |
d15a28e7 | 287 | Float_t wtot = 0 ; |
288 | ||
92862013 | 289 | TVector3 locpos; |
290 | GetLocalPosition(locpos); | |
291 | Float_t x = locpos.X() ; | |
292 | Float_t z = locpos.Z() ; | |
d15a28e7 | 293 | |
294 | AliPHOSDigit * digit ; | |
92862013 | 295 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 296 | |
297 | Int_t iDigit; | |
88714635 | 298 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
83974468 | 299 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; |
d15a28e7 | 300 | Int_t relid[4] ; |
301 | Float_t xi ; | |
302 | Float_t zi ; | |
92862013 | 303 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
304 | phosgeom->RelPosInModule(relid, xi, zi); | |
d15a28e7 | 305 | Float_t w = TMath::Max(0.,fW0+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; |
92862013 | 306 | d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ; |
d15a28e7 | 307 | wtot+=w ; |
308 | } | |
309 | ||
92862013 | 310 | d /= wtot ; |
d15a28e7 | 311 | |
92862013 | 312 | return TMath::Sqrt(d) ; |
d15a28e7 | 313 | } |
fad3e5b9 | 314 | //______________________________________________________________________________ |
315 | Float_t AliPHOSEmcRecPoint::CoreEnergy() | |
316 | { | |
317 | //This function calculates energy in the core, | |
318 | //i.e. within radius rad = 3cm. Beyond this radius | |
319 | //in accoradnce with shower profile energy deposition | |
320 | // should be less than 2% | |
321 | ||
322 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; | |
323 | ||
324 | Float_t eCore = 0 ; | |
325 | Float_t coreRadius = 3 ; | |
326 | ||
327 | TVector3 locpos; | |
328 | GetLocalPosition(locpos); | |
329 | Float_t x = locpos.X() ; | |
330 | Float_t z = locpos.Z() ; | |
331 | ||
332 | AliPHOSDigit * digit ; | |
333 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
334 | ||
335 | Int_t iDigit; | |
336 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { | |
337 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; | |
338 | Int_t relid[4] ; | |
339 | Float_t xi ; | |
340 | Float_t zi ; | |
341 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
342 | phosgeom->RelPosInModule(relid, xi, zi); | |
343 | Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(zi-z)*(zi-z)) ; | |
344 | if(distance < coreRadius) | |
345 | eCore += fEnergyList[iDigit] ; | |
346 | } | |
347 | ||
348 | return eCore ; | |
349 | } | |
d15a28e7 | 350 | |
351 | //____________________________________________________________________________ | |
352 | void AliPHOSEmcRecPoint::GetElipsAxis(Float_t * lambda) | |
353 | { | |
b2a60966 | 354 | // Calculates the axis of the shower ellipsoid |
83974468 | 355 | |
356 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; | |
357 | ||
e8dbb96e | 358 | Double_t wtot = 0. ; |
359 | Double_t x = 0.; | |
360 | Double_t z = 0.; | |
361 | Double_t dxx = 0.; | |
362 | Double_t dzz = 0.; | |
363 | Double_t dxz = 0.; | |
d15a28e7 | 364 | |
365 | AliPHOSDigit * digit ; | |
92862013 | 366 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 367 | Int_t iDigit; |
368 | ||
369 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
83974468 | 370 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; |
d15a28e7 | 371 | Int_t relid[4] ; |
372 | Float_t xi ; | |
373 | Float_t zi ; | |
92862013 | 374 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
375 | phosgeom->RelPosInModule(relid, xi, zi); | |
e8dbb96e | 376 | Double_t w = TMath::Max(0.,fW0+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; |
92862013 | 377 | dxx += w * xi * xi ; |
d15a28e7 | 378 | x += w * xi ; |
92862013 | 379 | dzz += w * zi * zi ; |
d15a28e7 | 380 | z += w * zi ; |
92862013 | 381 | dxz += w * xi * zi ; |
d15a28e7 | 382 | wtot += w ; |
383 | } | |
92862013 | 384 | dxx /= wtot ; |
d15a28e7 | 385 | x /= wtot ; |
92862013 | 386 | dxx -= x * x ; |
387 | dzz /= wtot ; | |
d15a28e7 | 388 | z /= wtot ; |
92862013 | 389 | dzz -= z * z ; |
390 | dxz /= wtot ; | |
391 | dxz -= x * z ; | |
d15a28e7 | 392 | |
69183710 | 393 | // //Apply correction due to non-perpendicular incidence |
394 | // Double_t CosX ; | |
395 | // Double_t CosZ ; | |
396 | // Double_t DistanceToIP= (Double_t ) ((AliPHOSGeometry *) fGeom)->GetIPtoCrystalSurface() ; | |
397 | ||
398 | // CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ; | |
399 | // CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ; | |
400 | ||
401 | // dxx = dxx/(CosX*CosX) ; | |
402 | // dzz = dzz/(CosZ*CosZ) ; | |
403 | // dxz = dxz/(CosX*CosZ) ; | |
404 | ||
405 | ||
e8dbb96e | 406 | lambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
407 | if(lambda[0] > 0) | |
408 | lambda[0] = TMath::Sqrt(lambda[0]) ; | |
409 | ||
410 | lambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; | |
411 | if(lambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda. | |
412 | lambda[1] = TMath::Sqrt(lambda[1]) ; | |
413 | else | |
414 | lambda[1]= 0. ; | |
d15a28e7 | 415 | } |
416 | ||
b2a60966 | 417 | //____________________________________________________________________________ |
ad8cfaf4 | 418 | void AliPHOSEmcRecPoint::EvalAll(void ) |
419 | { | |
420 | AliPHOSRecPoint::EvalAll() ; | |
421 | EvalLocalPosition() ; | |
422 | } | |
423 | //____________________________________________________________________________ | |
424 | void AliPHOSEmcRecPoint::EvalLocalPosition(void ) | |
b2a60966 | 425 | { |
426 | // Calculates the center of gravity in the local PHOS-module coordinates | |
83974468 | 427 | |
428 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; | |
429 | ||
b2a60966 | 430 | Float_t wtot = 0. ; |
431 | ||
432 | Int_t relid[4] ; | |
433 | ||
434 | Float_t x = 0. ; | |
435 | Float_t z = 0. ; | |
436 | ||
437 | AliPHOSDigit * digit ; | |
438 | ||
439 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
440 | ||
441 | Int_t iDigit; | |
442 | ||
b2a60966 | 443 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
83974468 | 444 | digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ); |
b2a60966 | 445 | |
446 | Float_t xi ; | |
447 | Float_t zi ; | |
448 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
449 | phosgeom->RelPosInModule(relid, xi, zi); | |
450 | Float_t w = TMath::Max( 0., fW0 + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
451 | x += xi * w ; | |
452 | z += zi * w ; | |
453 | wtot += w ; | |
b2a60966 | 454 | |
9ce1a8d9 | 455 | } |
69183710 | 456 | |
457 | x /= wtot ; | |
458 | z /= wtot ; | |
ad8cfaf4 | 459 | |
460 | // Correction for the depth of the shower starting point (TDR p 127) | |
461 | Float_t para = 0.925 ; | |
462 | Float_t parb = 6.52 ; | |
463 | ||
1b799736 | 464 | Float_t xo,yo,zo ; //Coordinates of the origin |
465 | gAlice->Generator()->GetOrigin(xo,yo,zo) ; | |
466 | ||
5830e1d9 | 467 | Float_t phi = phosgeom->GetPHOSAngle(relid[0]) ; |
1b799736 | 468 | |
469 | //Transform to the local ref.frame | |
470 | Float_t xoL,yoL ; | |
471 | xoL = xo*TMath::Cos(phi)-yo*TMath::Sin(phi) ; | |
472 | yoL = xo*TMath::Sin(phi)+yo*TMath::Cos(phi) ; | |
473 | ||
474 | Float_t radius = TMath::Sqrt((xoL-x)*(xoL-x)+ | |
5830e1d9 | 475 | (phosgeom->GetIPtoCrystalSurface()-yoL)*(phosgeom->GetIPtoCrystalSurface()-yoL)+ |
476 | (zo-z)*(zo-z)); | |
1b799736 | 477 | |
478 | Float_t incidencephi = TMath::ATan((x-xoL ) / radius) ; | |
479 | Float_t incidencetheta = TMath::ATan((z-zo) / radius) ; | |
ad8cfaf4 | 480 | |
481 | Float_t depthx = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencephi) ; | |
482 | Float_t depthz = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencetheta) ; | |
483 | ||
484 | ||
485 | fLocPos.SetX(x - depthx) ; | |
b2a60966 | 486 | fLocPos.SetY(0.) ; |
ad8cfaf4 | 487 | fLocPos.SetZ(z - depthz) ; |
b2a60966 | 488 | |
b2a60966 | 489 | } |
490 | ||
d15a28e7 | 491 | //____________________________________________________________________________ |
ad8cfaf4 | 492 | Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void) const |
d15a28e7 | 493 | { |
b2a60966 | 494 | // Finds the maximum energy in the cluster |
495 | ||
d15a28e7 | 496 | Float_t menergy = 0. ; |
497 | ||
498 | Int_t iDigit; | |
499 | ||
500 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
501 | ||
502 | if(fEnergyList[iDigit] > menergy) | |
503 | menergy = fEnergyList[iDigit] ; | |
504 | } | |
505 | return menergy ; | |
506 | } | |
507 | ||
508 | //____________________________________________________________________________ | |
ad8cfaf4 | 509 | Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(const Float_t H) const |
d15a28e7 | 510 | { |
b2a60966 | 511 | // Calculates the multiplicity of digits with energy larger than H*energy |
512 | ||
d15a28e7 | 513 | Int_t multipl = 0 ; |
514 | Int_t iDigit ; | |
515 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
516 | ||
517 | if(fEnergyList[iDigit] > H * fAmp) | |
518 | multipl++ ; | |
519 | } | |
520 | return multipl ; | |
521 | } | |
522 | ||
523 | //____________________________________________________________________________ | |
ad8cfaf4 | 524 | Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy) const |
d15a28e7 | 525 | { |
b2a60966 | 526 | // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum |
527 | // energy difference between two local maxima | |
528 | ||
83974468 | 529 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
530 | ||
d15a28e7 | 531 | AliPHOSDigit * digit ; |
532 | AliPHOSDigit * digitN ; | |
533 | ||
534 | ||
535 | Int_t iDigitN ; | |
536 | Int_t iDigit ; | |
537 | ||
6ad0bfa0 | 538 | for(iDigit = 0; iDigit < fMulDigit; iDigit++){ |
83974468 | 539 | maxAt[iDigit] = (Int_t) ( please->GimeDigit(fDigitsList[iDigit]) ) ; |
d15a28e7 | 540 | } |
541 | ||
6ad0bfa0 | 542 | for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { |
9f616d61 | 543 | if(maxAt[iDigit] != -1) { |
544 | digit = (AliPHOSDigit *) maxAt[iDigit] ; | |
83974468 | 545 | |
6ad0bfa0 | 546 | for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { |
83974468 | 547 | digitN = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigitN]) ) ; |
d15a28e7 | 548 | |
9f616d61 | 549 | if ( AreNeighbours(digit, digitN) ) { |
d15a28e7 | 550 | if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { |
551 | maxAt[iDigitN] = -1 ; | |
6ad0bfa0 | 552 | // but may be digit too is not local max ? |
553 | if(fEnergyList[iDigit] < fEnergyList[iDigitN] + fLocMaxCut) | |
d15a28e7 | 554 | maxAt[iDigit] = -1 ; |
555 | } | |
556 | else { | |
557 | maxAt[iDigit] = -1 ; | |
6ad0bfa0 | 558 | // but may be digitN too is not local max ? |
559 | if(fEnergyList[iDigit] > fEnergyList[iDigitN] - fLocMaxCut) | |
d15a28e7 | 560 | maxAt[iDigitN] = -1 ; |
561 | } | |
562 | } // if Areneighbours | |
563 | } // while digitN | |
564 | } // slot not empty | |
565 | } // while digit | |
566 | ||
567 | iDigitN = 0 ; | |
6ad0bfa0 | 568 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { |
d15a28e7 | 569 | if(maxAt[iDigit] != -1){ |
570 | maxAt[iDigitN] = maxAt[iDigit] ; | |
9f616d61 | 571 | maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; |
572 | iDigitN++ ; | |
d15a28e7 | 573 | } |
574 | } | |
575 | return iDigitN ; | |
576 | } | |
577 | ||
d15a28e7 | 578 | |
579 | // //____________________________________________________________________________ | |
580 | // AliPHOSEmcRecPoint& AliPHOSEmcRecPoint::operator = (AliPHOSEmcRecPoint Clu) | |
581 | // { | |
92862013 | 582 | // int * dl = Clu.GetDigitsList() ; |
d15a28e7 | 583 | |
584 | // if(fDigitsList) | |
585 | // delete fDigitsList ; | |
586 | ||
587 | // AliPHOSDigit * digit ; | |
588 | ||
589 | // Int_t iDigit; | |
590 | ||
591 | // for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
92862013 | 592 | // digit = (AliPHOSDigit *) dl[iDigit]; |
d15a28e7 | 593 | // AddDigit(*digit) ; |
594 | // } | |
595 | ||
ad8cfaf4 | 596 | // fAmp = Clu.GetEnergy() ; |
d15a28e7 | 597 | // fGeom = Clu.GetGeom() ; |
92862013 | 598 | // TVector3 locpos; |
599 | // Clu.GetLocalPosition(locpos) ; | |
600 | // fLocPos = locpos; | |
d15a28e7 | 601 | // fMulDigit = Clu.GetMultiplicity() ; |
602 | // fMaxDigit = Clu.GetMaximumMultiplicity() ; | |
603 | // fPHOSMod = Clu.GetPHOSMod() ; | |
604 | // fW0 = Clu.GetLogWeightCut() ; | |
605 | // fDelta = Clu.GetDelta() ; | |
606 | // fLocMaxCut = Clu.GetLocMaxCut() ; | |
607 | ||
92862013 | 608 | // delete dl ; |
d15a28e7 | 609 | |
610 | // return *this ; | |
611 | // } | |
612 | ||
613 | //____________________________________________________________________________ | |
614 | void AliPHOSEmcRecPoint::Print(Option_t * option) | |
615 | { | |
b2a60966 | 616 | // Print the list of digits belonging to the cluster |
617 | ||
d15a28e7 | 618 | cout << "AliPHOSEmcRecPoint: " << endl ; |
619 | ||
620 | AliPHOSDigit * digit ; | |
621 | Int_t iDigit; | |
92862013 | 622 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; |
d15a28e7 | 623 | |
9f616d61 | 624 | Float_t xi ; |
625 | Float_t zi ; | |
626 | Int_t relid[4] ; | |
83974468 | 627 | |
628 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; | |
629 | ||
d15a28e7 | 630 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
83974468 | 631 | digit = please->GimeDigit( fDigitsList[iDigit] ) ; |
92862013 | 632 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
633 | phosgeom->RelPosInModule(relid, xi, zi); | |
9f616d61 | 634 | cout << " Id = " << digit->GetId() ; |
635 | cout << " module = " << relid[0] ; | |
636 | cout << " x = " << xi ; | |
637 | cout << " z = " << zi ; | |
638 | cout << " Energy = " << fEnergyList[iDigit] << endl ; | |
d15a28e7 | 639 | } |
640 | cout << " Multiplicity = " << fMulDigit << endl ; | |
641 | cout << " Cluster Energy = " << fAmp << endl ; | |
83974468 | 642 | cout << " Stored at position " << GetIndexInList() << endl ; |
643 | ||
d15a28e7 | 644 | } |
d15a28e7 | 645 | //______________________________________________________________________________ |
88714635 | 646 | // void AliPHOSEmcRecPoint::Streamer(TBuffer &R__b) |
647 | // { | |
648 | // // Stream an object of class AliPHOSEmcRecPoint. | |
649 | ||
650 | // if (R__b.IsReading()) { | |
651 | // Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
652 | // AliPHOSRecPoint::Streamer(R__b); | |
653 | // R__b >> fDelta; | |
654 | // fEnergyList = new Float_t[fMulDigit] ; | |
655 | // R__b.ReadFastArray(fEnergyList, fMulDigit); | |
656 | // R__b >> fLocMaxCut; | |
657 | // R__b >> fW0; | |
658 | // } else { | |
659 | // R__b.WriteVersion(AliPHOSEmcRecPoint::IsA()); | |
660 | // AliPHOSRecPoint::Streamer(R__b); | |
661 | // R__b << fDelta; | |
662 | // R__b.WriteFastArray(fEnergyList, fMulDigit); | |
663 | // R__b << fLocMaxCut; | |
664 | // R__b << fW0; | |
665 | // } | |
666 | // } | |
667 |