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ab48128d | 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 | /* $Id$ */ | |
16 | //_________________________________________________________________________ | |
70a93198 | 17 | // Reconstructed Points for the EMCAL |
18 | // A RecPoint is a cluster of digits | |
d64c959b | 19 | //*-- Author: Yves Schutz (SUBATECH) |
70a93198 | 20 | //*-- Author: Dmitri Peressounko (RRC KI & SUBATECH) |
21 | //*-- Author: Heather Gray (LBL) merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04 | |
ab48128d | 22 | |
23 | // --- ROOT system --- | |
e52475ed | 24 | #include <Riostream.h> |
25 | #include <TPad.h> | |
26 | #include <TGraph.h> | |
27 | #include <TPaveText.h> | |
28 | #include <TClonesArray.h> | |
29 | #include <TMath.h> | |
ab48128d | 30 | |
31 | // --- Standard library --- | |
ab48128d | 32 | |
33 | // --- AliRoot header files --- | |
70a93198 | 34 | #include "AliGenerator.h" |
4635df1f | 35 | #include "AliRunLoader.h" |
36 | #include "AliRun.h" | |
37 | #include "AliEMCAL.h" | |
38 | #include "AliEMCALLoader.h" | |
ab48128d | 39 | #include "AliEMCALGeometry.h" |
4635df1f | 40 | #include "AliEMCALHit.h" |
ab48128d | 41 | #include "AliEMCALDigit.h" |
42 | #include "AliEMCALRecPoint.h" | |
ab48128d | 43 | |
44 | ClassImp(AliEMCALRecPoint) | |
45 | ||
ab48128d | 46 | //____________________________________________________________________________ |
47 | AliEMCALRecPoint::AliEMCALRecPoint() | |
48 | : AliRecPoint() | |
49 | { | |
50 | // ctor | |
85c60a8e | 51 | fClusterType = -1; |
692088ae | 52 | fMaxTrack = 0 ; |
70a93198 | 53 | fMulDigit = 0 ; |
87cdc3be | 54 | fMaxParent = 0; |
55 | fMulParent = 0; | |
70a93198 | 56 | fAmp = 0. ; |
57 | fCoreEnergy = 0 ; | |
58 | fEnergyList = 0 ; | |
85c60a8e | 59 | fTimeList = 0 ; |
e52475ed | 60 | fAbsIdList = 0; |
87cdc3be | 61 | fParentsList = 0; |
70a93198 | 62 | fTime = 0. ; |
e52475ed | 63 | // fLocPos.SetX(1.e+6) ; //Local position should be evaluated |
70a93198 | 64 | fCoreRadius = 10; //HG Check this |
4635df1f | 65 | |
66 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
14ce0a6e | 67 | fGeomPtr = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry(); |
68 | //fGeomPtr = AliEMCALGeometry::GetInstance(); | |
69 | fGeomPtr->GetTransformationForSM(); // Global <-> Local | |
ab48128d | 70 | } |
71 | ||
72 | //____________________________________________________________________________ | |
73 | AliEMCALRecPoint::AliEMCALRecPoint(const char * opt) : AliRecPoint(opt) | |
74 | { | |
75 | // ctor | |
85c60a8e | 76 | fClusterType = -1; |
ff1e7e2f | 77 | fMaxTrack = 1000 ; |
78 | fMaxParent = 1000; | |
87cdc3be | 79 | fMulDigit = 0 ; |
80 | fMulParent = 0; | |
70a93198 | 81 | fAmp = 0. ; |
82 | fCoreEnergy = 0 ; | |
83 | fEnergyList = 0 ; | |
85c60a8e | 84 | fTimeList = 0 ; |
e52475ed | 85 | fAbsIdList = 0; |
87cdc3be | 86 | fParentsList = new Int_t[fMaxParent]; |
70a93198 | 87 | fTime = -1. ; |
e52475ed | 88 | //fLocPos.SetX(1.e+6) ; //Local position should be evaluated |
70a93198 | 89 | fCoreRadius = 10; //HG Check this |
14ce0a6e | 90 | //fGeomPtr = AliEMCALGeometry::GetInstance(); |
4635df1f | 91 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
14ce0a6e | 92 | fGeomPtr = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry(); |
93 | fGeomPtr->GetTransformationForSM(); // Global <-> Local | |
70a93198 | 94 | } |
95 | //____________________________________________________________________________ | |
96 | AliEMCALRecPoint::~AliEMCALRecPoint() | |
97 | { | |
98 | // dtor | |
99 | if ( fEnergyList ) | |
100 | delete[] fEnergyList ; | |
85c60a8e | 101 | if ( fTimeList ) |
102 | delete[] fTimeList ; | |
e52475ed | 103 | if ( fAbsIdList ) |
104 | delete[] fAbsIdList ; | |
87cdc3be | 105 | if ( fParentsList) |
106 | delete[] fParentsList; | |
70a93198 | 107 | } |
108 | ||
109 | //____________________________________________________________________________ | |
110 | void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, Float_t Energy) | |
111 | { | |
112 | // Adds a digit to the RecPoint | |
113 | // and accumulates the total amplitude and the multiplicity | |
114 | ||
115 | if(fEnergyList == 0) | |
116 | fEnergyList = new Float_t[fMaxDigit]; | |
85c60a8e | 117 | if(fTimeList == 0) |
118 | fTimeList = new Float_t[fMaxDigit]; | |
e52475ed | 119 | if(fAbsIdList == 0) { |
120 | fAbsIdList = new Int_t[fMaxDigit]; | |
14ce0a6e | 121 | fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(digit.GetId()); |
e52475ed | 122 | } |
70a93198 | 123 | |
124 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists | |
125 | fMaxDigit*=2 ; | |
a64a06d6 | 126 | Int_t * tempo = new Int_t[fMaxDigit]; |
127 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
85c60a8e | 128 | Float_t * tempoT = new Float_t[fMaxDigit]; |
e52475ed | 129 | Int_t * tempoId = new Int_t[fMaxDigit]; |
70a93198 | 130 | |
131 | Int_t index ; | |
132 | for ( index = 0 ; index < fMulDigit ; index++ ){ | |
e52475ed | 133 | tempo[index] = fDigitsList[index] ; |
134 | tempoE[index] = fEnergyList[index] ; | |
85c60a8e | 135 | tempoT[index] = fTimeList[index] ; |
e52475ed | 136 | tempoId[index] = fAbsIdList[index] ; |
70a93198 | 137 | } |
138 | ||
139 | delete [] fDigitsList ; | |
a64a06d6 | 140 | fDigitsList = new Int_t[fMaxDigit]; |
70a93198 | 141 | |
142 | delete [] fEnergyList ; | |
a64a06d6 | 143 | fEnergyList = new Float_t[fMaxDigit]; |
70a93198 | 144 | |
85c60a8e | 145 | delete [] fTimeList ; |
146 | fTimeList = new Float_t[fMaxDigit]; | |
147 | ||
e52475ed | 148 | delete [] fAbsIdList ; |
149 | fAbsIdList = new Int_t[fMaxDigit]; | |
150 | ||
70a93198 | 151 | for ( index = 0 ; index < fMulDigit ; index++ ){ |
152 | fDigitsList[index] = tempo[index] ; | |
153 | fEnergyList[index] = tempoE[index] ; | |
85c60a8e | 154 | fTimeList[index] = tempoT[index] ; |
e52475ed | 155 | fAbsIdList[index] = tempoId[index] ; |
70a93198 | 156 | } |
157 | ||
158 | delete [] tempo ; | |
159 | delete [] tempoE ; | |
85c60a8e | 160 | delete [] tempoT ; |
e52475ed | 161 | delete [] tempoId ; |
70a93198 | 162 | } // if |
163 | ||
164 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; | |
165 | fEnergyList[fMulDigit] = Energy ; | |
85c60a8e | 166 | fTimeList[fMulDigit] = digit.GetTime() ; |
e52475ed | 167 | fAbsIdList[fMulDigit] = digit.GetId(); |
70a93198 | 168 | fMulDigit++ ; |
169 | fAmp += Energy ; | |
170 | ||
171 | } | |
172 | //____________________________________________________________________________ | |
173 | Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const | |
174 | { | |
175 | // Tells if (true) or not (false) two digits are neighbours | |
176 | // A neighbour is defined as being two digits which share a corner | |
177 | ||
e52475ed | 178 | static Bool_t areNeighbours = kFALSE ; |
179 | static Int_t nSupMod=0, nTower=0, nIphi=0, nIeta=0; | |
180 | static int nSupMod1=0, nTower1=0, nIphi1=0, nIeta1=0; | |
181 | static Int_t relid1[2] , relid2[2] ; // ieta, iphi | |
182 | static Int_t rowdiff=0, coldiff=0; | |
70a93198 | 183 | |
e52475ed | 184 | areNeighbours = kFALSE ; |
185 | ||
14ce0a6e | 186 | fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nTower,nIphi,nIeta); |
187 | fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, relid1[0],relid1[1]); | |
e52475ed | 188 | |
14ce0a6e | 189 | fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nTower1,nIphi1,nIeta1); |
190 | fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nTower1,nIphi1,nIeta1, relid2[0],relid2[1]); | |
70a93198 | 191 | |
e52475ed | 192 | rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ; |
193 | coldiff = TMath::Abs( relid1[1] - relid2[1] ) ; | |
70a93198 | 194 | |
195 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
e52475ed | 196 | areNeighbours = kTRUE ; |
ab48128d | 197 | |
70a93198 | 198 | return areNeighbours; |
199 | } | |
200 | ||
201 | //____________________________________________________________________________ | |
202 | Int_t AliEMCALRecPoint::Compare(const TObject * obj) const | |
203 | { | |
204 | // Compares two RecPoints according to their position in the EMCAL modules | |
205 | ||
206 | Float_t delta = 1 ; //Width of "Sorting row". If you change this | |
207 | //value (what is senseless) change as well delta in | |
208 | //AliEMCALTrackSegmentMakerv* and other RecPoints... | |
209 | Int_t rv ; | |
210 | ||
211 | AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ; | |
212 | ||
213 | TVector3 locpos1; | |
214 | GetLocalPosition(locpos1); | |
215 | TVector3 locpos2; | |
216 | clu->GetLocalPosition(locpos2); | |
217 | ||
9848d950 | 218 | Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ; |
70a93198 | 219 | if (rowdif> 0) |
220 | rv = 1 ; | |
221 | else if(rowdif < 0) | |
222 | rv = -1 ; | |
223 | else if(locpos1.Y()>locpos2.Y()) | |
224 | rv = -1 ; | |
225 | else | |
226 | rv = 1 ; | |
227 | ||
228 | return rv ; | |
ab48128d | 229 | } |
230 | ||
231 | //____________________________________________________________________________ | |
232 | Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
233 | { | |
234 | // Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker | |
235 | // Compute the closest distance of approach from point px,py to this marker. | |
236 | // The distance is computed in pixels units. | |
70a93198 | 237 | // HG Still need to update -> Not sure what this should achieve |
ab48128d | 238 | |
239 | TVector3 pos(0.,0.,0.) ; | |
70a93198 | 240 | GetLocalPosition(pos) ; |
ab48128d | 241 | Float_t x = pos.X() ; |
70a93198 | 242 | Float_t y = pos.Y() ; |
ab48128d | 243 | const Int_t kMaxDiff = 10; |
244 | Int_t pxm = gPad->XtoAbsPixel(x); | |
245 | Int_t pym = gPad->YtoAbsPixel(y); | |
246 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
247 | ||
248 | if (dist > kMaxDiff) return 9999; | |
249 | return dist; | |
250 | } | |
251 | ||
252 | //___________________________________________________________________________ | |
253 | void AliEMCALRecPoint::Draw(Option_t *option) | |
254 | { | |
255 | // Draw this AliEMCALRecPoint with its current attributes | |
256 | ||
257 | AppendPad(option); | |
258 | } | |
259 | ||
260 | //______________________________________________________________________________ | |
70a93198 | 261 | void AliEMCALRecPoint::ExecuteEvent(Int_t /*event*/, Int_t, Int_t) |
ab48128d | 262 | { |
263 | // Execute action corresponding to one event | |
264 | // This member function is called when a AliEMCALRecPoint is clicked with the locator | |
265 | // | |
266 | // If Left button is clicked on AliEMCALRecPoint, the digits are switched on | |
267 | // and switched off when the mouse button is released. | |
268 | ||
269 | // static Int_t pxold, pyold; | |
270 | ||
70a93198 | 271 | /* static TGraph * digitgraph = 0 ; |
ab48128d | 272 | static TPaveText* clustertext = 0 ; |
273 | ||
274 | if (!gPad->IsEditable()) return; | |
275 | ||
276 | switch (event) { | |
277 | ||
278 | ||
279 | case kButton1Down:{ | |
280 | AliEMCALDigit * digit ; | |
88cb7938 | 281 | AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry() ; |
ab48128d | 282 | |
283 | Int_t iDigit; | |
70a93198 | 284 | Int_t relid[2] ; |
ab48128d | 285 | |
286 | const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ; | |
287 | Float_t * xi = new Float_t [kMulDigit] ; | |
288 | Float_t * zi = new Float_t [kMulDigit] ; | |
289 | ||
290 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { | |
291 | Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code"); | |
292 | digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]); | |
293 | emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
294 | emcalgeom->PosInAlice(relid, xi[iDigit], zi[iDigit]) ; | |
295 | } | |
296 | ||
297 | if (!digitgraph) { | |
298 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
299 | digitgraph-> SetMarkerStyle(5) ; | |
300 | digitgraph-> SetMarkerSize(1.) ; | |
301 | digitgraph-> SetMarkerColor(1) ; | |
302 | digitgraph-> Draw("P") ; | |
303 | } | |
304 | if (!clustertext) { | |
305 | ||
306 | TVector3 pos(0.,0.,0.) ; | |
307 | GetLocalPosition(pos) ; | |
308 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
309 | Text_t line1[40] ; | |
310 | Text_t line2[40] ; | |
311 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
312 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
313 | clustertext ->AddText(line1) ; | |
314 | clustertext ->AddText(line2) ; | |
315 | clustertext ->Draw(""); | |
316 | } | |
317 | gPad->Update() ; | |
9e5d2067 | 318 | Print("") ; |
ab48128d | 319 | delete[] xi ; |
320 | delete[] zi ; | |
321 | } | |
322 | ||
323 | break; | |
324 | ||
325 | case kButton1Up: | |
326 | if (digitgraph) { | |
327 | delete digitgraph ; | |
328 | digitgraph = 0 ; | |
329 | } | |
330 | if (clustertext) { | |
331 | delete clustertext ; | |
332 | clustertext = 0 ; | |
333 | } | |
334 | ||
335 | break; | |
336 | ||
70a93198 | 337 | }*/ |
338 | } | |
339 | //____________________________________________________________________________ | |
340 | void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) | |
341 | { | |
342 | // Evaluates all shower parameters | |
343 | ||
344 | EvalLocalPosition(logWeight, digits) ; | |
500aeccc | 345 | // printf("eval position done\n"); |
70a93198 | 346 | EvalElipsAxis(logWeight, digits) ; |
500aeccc | 347 | // printf("eval axis done\n"); |
70a93198 | 348 | EvalDispersion(logWeight, digits) ; |
500aeccc | 349 | // printf("eval dispersion done\n"); |
4635df1f | 350 | //EvalCoreEnergy(logWeight, digits); |
1963b290 | 351 | // printf("eval energy done\n"); |
70a93198 | 352 | EvalTime(digits) ; |
500aeccc | 353 | // printf("eval time done\n"); |
70a93198 | 354 | |
87cdc3be | 355 | EvalPrimaries(digits) ; |
500aeccc | 356 | // printf("eval pri done\n"); |
87cdc3be | 357 | EvalParents(digits); |
500aeccc | 358 | // printf("eval parent done\n"); |
70a93198 | 359 | } |
360 | ||
361 | //____________________________________________________________________________ | |
362 | void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits) | |
363 | { | |
364 | // Calculates the dispersion of the shower at the origin of the RecPoint | |
365 | ||
e52475ed | 366 | Double_t d = 0., wtot = 0., w = 0., xyzi[3], diff=0.; |
367 | Int_t iDigit=0, nstat=0, i=0; | |
70a93198 | 368 | AliEMCALDigit * digit ; |
5dee926e | 369 | |
70a93198 | 370 | // Calculates the centre of gravity in the local EMCAL-module coordinates |
e52475ed | 371 | if (!fLocPos.Mag()) |
70a93198 | 372 | EvalLocalPosition(logWeight, digits) ; |
373 | ||
70a93198 | 374 | // Calculates the dispersion in coordinates |
70a93198 | 375 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
376 | digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ; | |
1963b290 | 377 | |
14ce0a6e | 378 | fGeomPtr->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); |
e52475ed | 379 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; |
70a93198 | 380 | |
e52475ed | 381 | if(w>0.0) { |
382 | wtot += w; | |
383 | nstat++; | |
384 | for(i=0; i<3; i++ ) { | |
385 | diff = xyzi[i] - double(fLocPos[i]); | |
386 | d += w * diff*diff; | |
387 | } | |
388 | } | |
ab48128d | 389 | } |
70a93198 | 390 | |
e52475ed | 391 | if ( wtot > 0 && nstat>1) d /= wtot ; |
392 | else d = 0. ; | |
70a93198 | 393 | |
394 | fDispersion = TMath::Sqrt(d) ; | |
ab48128d | 395 | } |
70a93198 | 396 | |
ab48128d | 397 | //____________________________________________________________________________ |
70a93198 | 398 | void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits) |
88cb7938 | 399 | { |
70a93198 | 400 | // Calculates the center of gravity in the local EMCAL-module coordinates |
e52475ed | 401 | // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing |
70a93198 | 402 | |
e52475ed | 403 | AliEMCALDigit * digit; |
e52475ed | 404 | Int_t i=0, nstat=0; |
405 | Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.; | |
70a93198 | 406 | |
e52475ed | 407 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { |
70a93198 | 408 | digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ; |
409 | ||
14ce0a6e | 410 | fGeomPtr->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); |
e52475ed | 411 | // printf(" Id %i : Local x,y,z %f %f %f \n", digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); |
412 | ||
413 | if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp )); | |
414 | else w = fEnergyList[iDigit]; // just energy | |
ab48128d | 415 | |
e52475ed | 416 | if(w>0.0) { |
417 | wtot += w ; | |
418 | nstat++; | |
419 | for(i=0; i<3; i++ ) { | |
420 | clXYZ[i] += (w*xyzi[i]); | |
421 | clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]); | |
422 | } | |
423 | } | |
424 | } | |
425 | // cout << " wtot " << wtot << endl; | |
70a93198 | 426 | if ( wtot > 0 ) { |
e52475ed | 427 | // xRMS = TMath::Sqrt(x2m - xMean*xMean); |
428 | for(i=0; i<3; i++ ) { | |
429 | clXYZ[i] /= wtot; | |
430 | if(nstat>1) { | |
431 | clRmsXYZ[i] /= (wtot*wtot); | |
432 | clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i]; | |
433 | if(clRmsXYZ[i] > 0.0) { | |
434 | clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]); | |
435 | } else clRmsXYZ[i] = 0; | |
436 | } else clRmsXYZ[i] = 0; | |
437 | } | |
70a93198 | 438 | } else { |
e52475ed | 439 | for(i=0; i<3; i++ ) { |
440 | clXYZ[i] = clRmsXYZ[i] = -1.; | |
441 | } | |
70a93198 | 442 | } |
e52475ed | 443 | // clRmsXYZ[i] ?? |
444 | fLocPos.SetX(clXYZ[0]); | |
445 | fLocPos.SetY(clXYZ[1]); | |
446 | fLocPos.SetZ(clXYZ[2]); | |
70a93198 | 447 | |
1963b290 | 448 | // if (gDebug==2) |
500aeccc | 449 | // printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ; |
e52475ed | 450 | fLocPosM = 0 ; // covariance matrix |
ab48128d | 451 | } |
452 | ||
e52475ed | 453 | //void AliEMCALRecPoint::EvalLocalPositionSimple() |
454 | //{ // Weight is proportional of cell energy | |
455 | //} | |
456 | ||
70a93198 | 457 | //______________________________________________________________________________ |
458 | void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits) | |
459 | { | |
460 | // This function calculates energy in the core, | |
4635df1f | 461 | // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius |
70a93198 | 462 | // in accordance with shower profile the energy deposition |
463 | // should be less than 2% | |
464 | ||
465 | AliEMCALDigit * digit ; | |
466 | const Float_t kDeg2Rad = TMath::DegToRad() ; | |
5dee926e | 467 | |
70a93198 | 468 | Int_t iDigit; |
469 | ||
e52475ed | 470 | if (!fLocPos.Mag()) { |
70a93198 | 471 | EvalLocalPosition(logWeight, digits); |
472 | } | |
473 | ||
474 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { | |
475 | digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ; | |
4635df1f | 476 | |
477 | Float_t ieta = 0.0; | |
478 | Float_t iphi = 0.0; | |
14ce0a6e | 479 | //fGeomPtr->PosInAlice(digit->GetId(), ieta, iphi); |
480 | fGeomPtr->EtaPhiFromIndex(digit->GetId(),ieta, iphi) ; | |
4635df1f | 481 | iphi = iphi * kDeg2Rad; |
70a93198 | 482 | |
4635df1f | 483 | Float_t distance = TMath::Sqrt((ieta-fLocPos.X())*(ieta-fLocPos.X())+(iphi-fLocPos.Y())*(iphi-fLocPos.Y())) ; |
70a93198 | 484 | if(distance < fCoreRadius) |
485 | fCoreEnergy += fEnergyList[iDigit] ; | |
486 | } | |
487 | ||
488 | } | |
ab48128d | 489 | //____________________________________________________________________________ |
70a93198 | 490 | void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) |
ab48128d | 491 | { |
70a93198 | 492 | // Calculates the axis of the shower ellipsoid in eta and phi |
ab48128d | 493 | |
70a93198 | 494 | Double_t wtot = 0. ; |
495 | Double_t x = 0.; | |
496 | Double_t z = 0.; | |
497 | Double_t dxx = 0.; | |
498 | Double_t dzz = 0.; | |
499 | Double_t dxz = 0.; | |
ab48128d | 500 | |
ff1e7e2f | 501 | const Float_t kDeg2Rad = TMath::DegToRad(); |
70a93198 | 502 | AliEMCALDigit * digit ; |
503 | ||
14ce0a6e | 504 | TString gn(fGeomPtr->GetName()); |
70a93198 | 505 | |
506 | Int_t iDigit; | |
ab48128d | 507 | |
70a93198 | 508 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
509 | digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ; | |
510 | Float_t etai = 0. ; | |
511 | Float_t phii = 0. ; | |
e52475ed | 512 | if(gn.Contains("SHISH")) { // have to be change - Feb 28, 2006 |
1963b290 | 513 | //copied for shish-kebab geometry, ieta,iphi is cast as float as eta,phi conversion |
514 | // for this geometry does not exist | |
515 | int nSupMod=0, nTower=0, nIphi=0, nIeta=0; | |
516 | int iphi=0, ieta=0; | |
14ce0a6e | 517 | fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nTower,nIphi,nIeta); |
518 | fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta); | |
1963b290 | 519 | etai=(Float_t)ieta; |
520 | phii=(Float_t)iphi; | |
521 | } else { | |
14ce0a6e | 522 | fGeomPtr->EtaPhiFromIndex(digit->GetId(), etai, phii); |
1963b290 | 523 | phii = phii * kDeg2Rad; |
524 | } | |
525 | ||
70a93198 | 526 | Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; |
ff1e7e2f | 527 | |
70a93198 | 528 | dxx += w * etai * etai ; |
529 | x += w * etai ; | |
530 | dzz += w * phii * phii ; | |
531 | z += w * phii ; | |
1963b290 | 532 | |
ff1e7e2f | 533 | dxz += w * etai * phii ; |
1963b290 | 534 | |
70a93198 | 535 | wtot += w ; |
536 | } | |
ff1e7e2f | 537 | |
70a93198 | 538 | if ( wtot > 0 ) { |
539 | dxx /= wtot ; | |
540 | x /= wtot ; | |
541 | dxx -= x * x ; | |
542 | dzz /= wtot ; | |
543 | z /= wtot ; | |
544 | dzz -= z * z ; | |
545 | dxz /= wtot ; | |
546 | dxz -= x * z ; | |
ab48128d | 547 | |
70a93198 | 548 | fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
549 | if(fLambda[0] > 0) | |
550 | fLambda[0] = TMath::Sqrt(fLambda[0]) ; | |
551 | else | |
552 | fLambda[0] = 0; | |
553 | ||
554 | fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; | |
ff1e7e2f | 555 | |
70a93198 | 556 | if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda. |
557 | fLambda[1] = TMath::Sqrt(fLambda[1]) ; | |
558 | else | |
559 | fLambda[1]= 0. ; | |
560 | } else { | |
561 | fLambda[0]= 0. ; | |
562 | fLambda[1]= 0. ; | |
ab48128d | 563 | } |
ff1e7e2f | 564 | |
1963b290 | 565 | // printf("Evalaxis: lambdas = %f,%f", fLambda[0],fLambda[1]) ; |
ff1e7e2f | 566 | |
ab48128d | 567 | } |
568 | ||
569 | //______________________________________________________________________________ | |
570 | void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits) | |
571 | { | |
572 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint | |
573 | ||
574 | AliEMCALDigit * digit ; | |
575 | Int_t * tempo = new Int_t[fMaxTrack] ; | |
576 | ||
577 | Int_t index ; | |
578 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
579 | digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ; | |
580 | Int_t nprimaries = digit->GetNprimary() ; | |
5c0368b8 | 581 | if ( nprimaries == 0 ) continue ; |
ab48128d | 582 | Int_t * newprimaryarray = new Int_t[nprimaries] ; |
583 | Int_t ii ; | |
584 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
585 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
586 | ||
587 | Int_t jndex ; | |
588 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
589 | if ( fMulTrack > fMaxTrack ) { | |
f792c312 | 590 | fMulTrack = fMaxTrack ; |
9859bfc0 | 591 | Error("GetNprimaries", "increase fMaxTrack ") ; |
ab48128d | 592 | break ; |
593 | } | |
594 | Int_t newprimary = newprimaryarray[jndex] ; | |
595 | Int_t kndex ; | |
596 | Bool_t already = kFALSE ; | |
597 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
598 | if ( newprimary == tempo[kndex] ){ | |
599 | already = kTRUE ; | |
600 | break ; | |
601 | } | |
602 | } // end of check | |
5c0368b8 | 603 | if ( !already && (fMulTrack < fMaxTrack)) { // store it |
ab48128d | 604 | tempo[fMulTrack] = newprimary ; |
605 | fMulTrack++ ; | |
606 | } // store it | |
607 | } // all primaries in digit | |
f792c312 | 608 | delete [] newprimaryarray ; |
ab48128d | 609 | } // all digits |
610 | ||
611 | ||
612 | fTracksList = new Int_t[fMulTrack] ; | |
613 | for(index = 0; index < fMulTrack; index++) | |
614 | fTracksList[index] = tempo[index] ; | |
615 | ||
f792c312 | 616 | delete [] tempo ; |
ab48128d | 617 | |
618 | } | |
7ee5c5be | 619 | |
87cdc3be | 620 | //______________________________________________________________________________ |
621 | void AliEMCALRecPoint::EvalParents(TClonesArray * digits) | |
622 | { | |
623 | // Constructs the list of parent particles (tracks) which have contributed to this RecPoint | |
624 | ||
625 | AliEMCALDigit * digit ; | |
626 | Int_t * tempo = new Int_t[fMaxParent] ; | |
627 | ||
628 | Int_t index ; | |
629 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
630 | digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ; | |
631 | Int_t nparents = digit->GetNiparent() ; | |
5c0368b8 | 632 | if ( nparents == 0 ) continue ; |
87cdc3be | 633 | Int_t * newparentarray = new Int_t[nparents] ; |
634 | Int_t ii ; | |
635 | for ( ii = 0 ; ii < nparents ; ii++) | |
636 | newparentarray[ii] = digit->GetIparent(ii+1) ; | |
637 | ||
638 | Int_t jndex ; | |
639 | for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit | |
640 | if ( fMulParent > fMaxParent ) { | |
641 | fMulTrack = - 1 ; | |
642 | Error("GetNiparent", "increase fMaxParent") ; | |
643 | break ; | |
644 | } | |
645 | Int_t newparent = newparentarray[jndex] ; | |
646 | Int_t kndex ; | |
647 | Bool_t already = kFALSE ; | |
f1d429fd | 648 | for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored |
87cdc3be | 649 | if ( newparent == tempo[kndex] ){ |
650 | already = kTRUE ; | |
651 | break ; | |
652 | } | |
653 | } // end of check | |
5c0368b8 | 654 | if ( !already && (fMulTrack < fMaxTrack)) { // store it |
87cdc3be | 655 | tempo[fMulParent] = newparent ; |
656 | fMulParent++ ; | |
657 | } // store it | |
658 | } // all parents in digit | |
27e2a47c | 659 | delete [] newparentarray ; |
87cdc3be | 660 | } // all digits |
661 | ||
27e2a47c | 662 | if (fMulParent>0) { |
663 | fParentsList = new Int_t[fMulParent] ; | |
664 | for(index = 0; index < fMulParent; index++) | |
665 | fParentsList[index] = tempo[index] ; | |
666 | } | |
87cdc3be | 667 | |
27e2a47c | 668 | delete [] tempo ; |
87cdc3be | 669 | |
670 | } | |
671 | ||
70a93198 | 672 | //____________________________________________________________________________ |
673 | void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const | |
674 | { | |
675 | // returns the position of the cluster in the local reference system of ALICE | |
70a93198 | 676 | |
677 | lpos.SetX(fLocPos.X()) ; | |
678 | lpos.SetY(fLocPos.Y()) ; | |
679 | lpos.SetZ(fLocPos.Z()) ; | |
680 | } | |
681 | ||
ab48128d | 682 | //____________________________________________________________________________ |
683 | void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const | |
684 | { | |
685 | // returns the position of the cluster in the global reference system of ALICE | |
70a93198 | 686 | // These are now the Cartesian X, Y and Z |
e52475ed | 687 | // cout<<" geom "<<geom<<endl; |
14ce0a6e | 688 | fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber); |
70a93198 | 689 | } |
690 | ||
691 | //____________________________________________________________________________ | |
692 | Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const | |
693 | { | |
694 | // Finds the maximum energy in the cluster | |
ab48128d | 695 | |
70a93198 | 696 | Float_t menergy = 0. ; |
697 | ||
698 | Int_t iDigit; | |
699 | ||
700 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
701 | ||
702 | if(fEnergyList[iDigit] > menergy) | |
703 | menergy = fEnergyList[iDigit] ; | |
704 | } | |
705 | return menergy ; | |
ab48128d | 706 | } |
707 | ||
aad8e277 | 708 | //____________________________________________________________________________ |
70a93198 | 709 | Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const |
aad8e277 | 710 | { |
70a93198 | 711 | // Calculates the multiplicity of digits with energy larger than H*energy |
712 | ||
713 | Int_t multipl = 0 ; | |
714 | Int_t iDigit ; | |
715 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
716 | ||
717 | if(fEnergyList[iDigit] > H * fAmp) | |
718 | multipl++ ; | |
719 | } | |
720 | return multipl ; | |
721 | } | |
722 | ||
723 | //____________________________________________________________________________ | |
724 | Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy, | |
725 | Float_t locMaxCut,TClonesArray * digits) const | |
726 | { | |
727 | // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum | |
728 | // energy difference between two local maxima | |
729 | ||
730 | AliEMCALDigit * digit ; | |
731 | AliEMCALDigit * digitN ; | |
732 | ||
733 | Int_t iDigitN ; | |
734 | Int_t iDigit ; | |
735 | ||
736 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) | |
737 | maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ; | |
738 | ||
739 | for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { | |
740 | if(maxAt[iDigit]) { | |
741 | digit = maxAt[iDigit] ; | |
742 | ||
743 | for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { | |
744 | digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ; | |
745 | ||
746 | if ( AreNeighbours(digit, digitN) ) { | |
747 | if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { | |
748 | maxAt[iDigitN] = 0 ; | |
749 | // but may be digit too is not local max ? | |
750 | if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut) | |
751 | maxAt[iDigit] = 0 ; | |
752 | } | |
753 | else { | |
754 | maxAt[iDigit] = 0 ; | |
755 | // but may be digitN too is not local max ? | |
756 | if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut) | |
757 | maxAt[iDigitN] = 0 ; | |
758 | } | |
759 | } // if Areneighbours | |
760 | } // while digitN | |
761 | } // slot not empty | |
762 | } // while digit | |
763 | ||
764 | iDigitN = 0 ; | |
765 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { | |
766 | if(maxAt[iDigit] ){ | |
767 | maxAt[iDigitN] = maxAt[iDigit] ; | |
768 | maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; | |
769 | iDigitN++ ; | |
770 | } | |
771 | } | |
772 | return iDigitN ; | |
773 | } | |
4635df1f | 774 | |
775 | //____________________________________________________________________________ | |
776 | Int_t AliEMCALRecPoint::GetPrimaryIndex() const | |
777 | { | |
778 | // Get the primary track index in TreeK which deposits the most energy | |
779 | // in Digits which forms RecPoint. Kinematics, Hits and Digits must be | |
780 | // loaded before the call of the method. | |
781 | ||
782 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
783 | if (!rl) | |
784 | AliError(Form(" No Runloader ")) ; | |
785 | ||
786 | AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*> | |
787 | (rl->GetDetectorLoader("EMCAL")); | |
788 | ||
789 | // Get the list of digits forming this RecPoint | |
790 | Int_t nDigits = fMulDigit ; | |
791 | Int_t *digitList = fDigitsList ; | |
792 | ||
793 | // Find the digit with maximum amplitude | |
794 | AliEMCALDigit *digit = 0; | |
795 | TClonesArray *digits = emcalLoader->Digits(); | |
796 | Int_t maxAmp = 0; | |
797 | Int_t bestDigitIndex = -1; | |
798 | for (Int_t iDigit=0; iDigit<nDigits; iDigit++) { | |
799 | digit = static_cast<AliEMCALDigit *>(digits->At(digitList[iDigit])); | |
800 | if (digit->GetAmp() > maxAmp) { | |
801 | maxAmp = digit->GetAmp(); | |
802 | bestDigitIndex = iDigit; | |
803 | } | |
804 | } | |
805 | ||
806 | digit = static_cast<AliEMCALDigit *>(digits->At(digitList[bestDigitIndex])); | |
807 | ||
808 | // Get the list of hits producing this digit, | |
809 | // find which hit has deposited more energy | |
810 | // and find the primary track. | |
811 | ||
812 | AliEMCALHit *hit = 0; | |
813 | TClonesArray *hits = emcalLoader->Hits(); | |
814 | ||
815 | Double_t maxedep = 0; | |
816 | Int_t maxtrack = -1; | |
817 | Int_t nHits = hits ->GetEntries(); | |
818 | Int_t id = digit->GetId(); | |
819 | for (Int_t iHit=0; iHit<nHits; iHit++) { | |
820 | hit = static_cast<AliEMCALHit*> (hits->At(iHit)) ; | |
821 | if(hit->GetId() == id){ | |
822 | Double_t edep = hit->GetEnergy(); | |
823 | Int_t track = hit->GetIparent();//Primary(); | |
824 | if(edep > maxedep){ | |
825 | maxedep = edep; | |
826 | maxtrack = track; | |
827 | } | |
828 | } | |
829 | } | |
830 | if (maxtrack != -1) return maxtrack; | |
831 | return -12345; // no track found :( | |
832 | } | |
833 | ||
70a93198 | 834 | //____________________________________________________________________________ |
835 | void AliEMCALRecPoint::EvalTime(TClonesArray * digits){ | |
836 | // time is set to the time of the digit with the maximum energy | |
837 | ||
838 | Float_t maxE = 0; | |
839 | Int_t maxAt = 0; | |
840 | for(Int_t idig=0; idig < fMulDigit; idig++){ | |
841 | if(fEnergyList[idig] > maxE){ | |
842 | maxE = fEnergyList[idig] ; | |
843 | maxAt = idig; | |
844 | } | |
845 | } | |
846 | fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ; | |
aad8e277 | 847 | |
aad8e277 | 848 | } |
ab48128d | 849 | |
850 | //______________________________________________________________________________ | |
851 | void AliEMCALRecPoint::Paint(Option_t *) | |
852 | { | |
853 | // Paint this ALiRecPoint as a TMarker with its current attributes | |
854 | ||
855 | TVector3 pos(0.,0.,0.) ; | |
856 | GetLocalPosition(pos) ; | |
857 | Coord_t x = pos.X() ; | |
858 | Coord_t y = pos.Z() ; | |
859 | Color_t markercolor = 1 ; | |
860 | Size_t markersize = 1. ; | |
861 | Style_t markerstyle = 5 ; | |
862 | ||
863 | if (!gPad->IsBatch()) { | |
864 | gVirtualX->SetMarkerColor(markercolor) ; | |
865 | gVirtualX->SetMarkerSize (markersize) ; | |
866 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
867 | } | |
868 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
869 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
870 | } | |
70a93198 | 871 | |
872 | //______________________________________________________________________________ | |
873 | Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const | |
874 | { | |
875 | //Converts Theta (Radians) to Eta(Radians) | |
876 | return (2.*TMath::ATan(TMath::Exp(-arg))); | |
877 | } | |
878 | ||
879 | //______________________________________________________________________________ | |
880 | Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const | |
881 | { | |
882 | //Converts Eta (Radians) to Theta(Radians) | |
883 | return (-1 * TMath::Log(TMath::Tan(0.5 * arg))); | |
884 | } | |
261b1065 | 885 | |
886 | //____________________________________________________________________________ | |
887 | void AliEMCALRecPoint::Print(Option_t *) const | |
888 | { | |
889 | // Print the list of digits belonging to the cluster | |
e52475ed | 890 | return; |
261b1065 | 891 | TString message ; |
4800667c | 892 | message = "AliEMCALRecPoint:\n" ; |
261b1065 | 893 | message += " digits # = " ; |
894 | Info("Print", message.Data()) ; | |
895 | ||
896 | Int_t iDigit; | |
897 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
898 | printf(" %d ", fDigitsList[iDigit] ) ; | |
e52475ed | 899 | printf("\n"); |
900 | ||
261b1065 | 901 | Info("Print", " Energies = ") ; |
902 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
903 | printf(" %f ", fEnergyList[iDigit] ) ; | |
e52475ed | 904 | printf("\n"); |
905 | ||
906 | Info("Print", "\n Abs Ids = ") ; | |
907 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
908 | printf(" %i ", fAbsIdList[iDigit] ) ; | |
909 | printf("\n"); | |
910 | ||
911 | Info("Print", " Primaries ") ; | |
261b1065 | 912 | for(iDigit = 0;iDigit < fMulTrack; iDigit++) |
913 | printf(" %d ", fTracksList[iDigit]) ; | |
e52475ed | 914 | |
915 | printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]); | |
916 | ||
85c60a8e | 917 | message = " ClusterType = %d" ; |
918 | message += " Multiplicity = %d" ; | |
261b1065 | 919 | message += " Cluster Energy = %f" ; |
920 | message += " Core energy = %f" ; | |
921 | message += " Core radius = %f" ; | |
922 | message += " Number of primaries %d" ; | |
923 | message += " Stored at position %d" ; | |
85c60a8e | 924 | Info("Print", message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList() ) ; |
261b1065 | 925 | } |