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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" |
ab48128d | 35 | #include "AliEMCALGeometry.h" |
36 | #include "AliEMCALDigit.h" | |
37 | #include "AliEMCALRecPoint.h" | |
ab48128d | 38 | |
39 | ClassImp(AliEMCALRecPoint) | |
40 | ||
e52475ed | 41 | AliEMCALGeometry * geom = 0; |
42 | ||
ab48128d | 43 | //____________________________________________________________________________ |
44 | AliEMCALRecPoint::AliEMCALRecPoint() | |
45 | : AliRecPoint() | |
46 | { | |
47 | // ctor | |
85c60a8e | 48 | fClusterType = -1; |
692088ae | 49 | fMaxTrack = 0 ; |
70a93198 | 50 | fMulDigit = 0 ; |
87cdc3be | 51 | fMaxParent = 0; |
52 | fMulParent = 0; | |
70a93198 | 53 | fAmp = 0. ; |
54 | fCoreEnergy = 0 ; | |
55 | fEnergyList = 0 ; | |
85c60a8e | 56 | fTimeList = 0 ; |
e52475ed | 57 | fAbsIdList = 0; |
87cdc3be | 58 | fParentsList = 0; |
70a93198 | 59 | fTime = 0. ; |
e52475ed | 60 | // fLocPos.SetX(1.e+6) ; //Local position should be evaluated |
70a93198 | 61 | fCoreRadius = 10; //HG Check this |
e52475ed | 62 | geom = AliEMCALGeometry::GetInstance(); |
63 | geom->GetTransformationForSM(); // Global <-> Local | |
ab48128d | 64 | } |
65 | ||
66 | //____________________________________________________________________________ | |
67 | AliEMCALRecPoint::AliEMCALRecPoint(const char * opt) : AliRecPoint(opt) | |
68 | { | |
69 | // ctor | |
85c60a8e | 70 | fClusterType = -1; |
ff1e7e2f | 71 | fMaxTrack = 1000 ; |
72 | fMaxParent = 1000; | |
87cdc3be | 73 | fMulDigit = 0 ; |
74 | fMulParent = 0; | |
70a93198 | 75 | fAmp = 0. ; |
76 | fCoreEnergy = 0 ; | |
77 | fEnergyList = 0 ; | |
85c60a8e | 78 | fTimeList = 0 ; |
e52475ed | 79 | fAbsIdList = 0; |
87cdc3be | 80 | fParentsList = new Int_t[fMaxParent]; |
70a93198 | 81 | fTime = -1. ; |
e52475ed | 82 | //fLocPos.SetX(1.e+6) ; //Local position should be evaluated |
70a93198 | 83 | fCoreRadius = 10; //HG Check this |
e52475ed | 84 | geom = AliEMCALGeometry::GetInstance(); |
85 | geom->GetTransformationForSM(); // Global <-> Local | |
70a93198 | 86 | } |
87 | //____________________________________________________________________________ | |
88 | AliEMCALRecPoint::~AliEMCALRecPoint() | |
89 | { | |
90 | // dtor | |
91 | if ( fEnergyList ) | |
92 | delete[] fEnergyList ; | |
85c60a8e | 93 | if ( fTimeList ) |
94 | delete[] fTimeList ; | |
e52475ed | 95 | if ( fAbsIdList ) |
96 | delete[] fAbsIdList ; | |
87cdc3be | 97 | if ( fParentsList) |
98 | delete[] fParentsList; | |
70a93198 | 99 | } |
100 | ||
101 | //____________________________________________________________________________ | |
102 | void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, Float_t Energy) | |
103 | { | |
104 | // Adds a digit to the RecPoint | |
105 | // and accumulates the total amplitude and the multiplicity | |
106 | ||
107 | if(fEnergyList == 0) | |
108 | fEnergyList = new Float_t[fMaxDigit]; | |
85c60a8e | 109 | if(fTimeList == 0) |
110 | fTimeList = new Float_t[fMaxDigit]; | |
e52475ed | 111 | if(fAbsIdList == 0) { |
112 | fAbsIdList = new Int_t[fMaxDigit]; | |
113 | fSuperModuleNumber = geom->GetSuperModuleNumber(digit.GetId()); | |
114 | } | |
70a93198 | 115 | |
116 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists | |
117 | fMaxDigit*=2 ; | |
a64a06d6 | 118 | Int_t * tempo = new Int_t[fMaxDigit]; |
119 | Float_t * tempoE = new Float_t[fMaxDigit]; | |
85c60a8e | 120 | Float_t * tempoT = new Float_t[fMaxDigit]; |
e52475ed | 121 | Int_t * tempoId = new Int_t[fMaxDigit]; |
70a93198 | 122 | |
123 | Int_t index ; | |
124 | for ( index = 0 ; index < fMulDigit ; index++ ){ | |
e52475ed | 125 | tempo[index] = fDigitsList[index] ; |
126 | tempoE[index] = fEnergyList[index] ; | |
85c60a8e | 127 | tempoT[index] = fTimeList[index] ; |
e52475ed | 128 | tempoId[index] = fAbsIdList[index] ; |
70a93198 | 129 | } |
130 | ||
131 | delete [] fDigitsList ; | |
a64a06d6 | 132 | fDigitsList = new Int_t[fMaxDigit]; |
70a93198 | 133 | |
134 | delete [] fEnergyList ; | |
a64a06d6 | 135 | fEnergyList = new Float_t[fMaxDigit]; |
70a93198 | 136 | |
85c60a8e | 137 | delete [] fTimeList ; |
138 | fTimeList = new Float_t[fMaxDigit]; | |
139 | ||
e52475ed | 140 | delete [] fAbsIdList ; |
141 | fAbsIdList = new Int_t[fMaxDigit]; | |
142 | ||
70a93198 | 143 | for ( index = 0 ; index < fMulDigit ; index++ ){ |
144 | fDigitsList[index] = tempo[index] ; | |
145 | fEnergyList[index] = tempoE[index] ; | |
85c60a8e | 146 | fTimeList[index] = tempoT[index] ; |
e52475ed | 147 | fAbsIdList[index] = tempoId[index] ; |
70a93198 | 148 | } |
149 | ||
150 | delete [] tempo ; | |
151 | delete [] tempoE ; | |
85c60a8e | 152 | delete [] tempoT ; |
e52475ed | 153 | delete [] tempoId ; |
70a93198 | 154 | } // if |
155 | ||
156 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; | |
157 | fEnergyList[fMulDigit] = Energy ; | |
85c60a8e | 158 | fTimeList[fMulDigit] = digit.GetTime() ; |
e52475ed | 159 | fAbsIdList[fMulDigit] = digit.GetId(); |
70a93198 | 160 | fMulDigit++ ; |
161 | fAmp += Energy ; | |
162 | ||
163 | } | |
164 | //____________________________________________________________________________ | |
165 | Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const | |
166 | { | |
167 | // Tells if (true) or not (false) two digits are neighbours | |
168 | // A neighbour is defined as being two digits which share a corner | |
169 | ||
e52475ed | 170 | static Bool_t areNeighbours = kFALSE ; |
171 | static Int_t nSupMod=0, nTower=0, nIphi=0, nIeta=0; | |
172 | static int nSupMod1=0, nTower1=0, nIphi1=0, nIeta1=0; | |
173 | static Int_t relid1[2] , relid2[2] ; // ieta, iphi | |
174 | static Int_t rowdiff=0, coldiff=0; | |
70a93198 | 175 | |
e52475ed | 176 | areNeighbours = kFALSE ; |
177 | ||
e52475ed | 178 | geom->GetCellIndex(digit1->GetId(), nSupMod,nTower,nIphi,nIeta); |
179 | geom->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, relid1[0],relid1[1]); | |
180 | ||
181 | geom->GetCellIndex(digit2->GetId(), nSupMod1,nTower1,nIphi1,nIeta1); | |
182 | geom->GetCellPhiEtaIndexInSModule(nSupMod1,nTower1,nIphi1,nIeta1, relid2[0],relid2[1]); | |
70a93198 | 183 | |
e52475ed | 184 | rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ; |
185 | coldiff = TMath::Abs( relid1[1] - relid2[1] ) ; | |
70a93198 | 186 | |
187 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
e52475ed | 188 | areNeighbours = kTRUE ; |
ab48128d | 189 | |
70a93198 | 190 | return areNeighbours; |
191 | } | |
192 | ||
193 | //____________________________________________________________________________ | |
194 | Int_t AliEMCALRecPoint::Compare(const TObject * obj) const | |
195 | { | |
196 | // Compares two RecPoints according to their position in the EMCAL modules | |
197 | ||
198 | Float_t delta = 1 ; //Width of "Sorting row". If you change this | |
199 | //value (what is senseless) change as well delta in | |
200 | //AliEMCALTrackSegmentMakerv* and other RecPoints... | |
201 | Int_t rv ; | |
202 | ||
203 | AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ; | |
204 | ||
205 | TVector3 locpos1; | |
206 | GetLocalPosition(locpos1); | |
207 | TVector3 locpos2; | |
208 | clu->GetLocalPosition(locpos2); | |
209 | ||
210 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; | |
211 | if (rowdif> 0) | |
212 | rv = 1 ; | |
213 | else if(rowdif < 0) | |
214 | rv = -1 ; | |
215 | else if(locpos1.Y()>locpos2.Y()) | |
216 | rv = -1 ; | |
217 | else | |
218 | rv = 1 ; | |
219 | ||
220 | return rv ; | |
ab48128d | 221 | } |
222 | ||
223 | //____________________________________________________________________________ | |
224 | Int_t AliEMCALRecPoint::DistancetoPrimitive(Int_t px, Int_t py) | |
225 | { | |
226 | // Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker | |
227 | // Compute the closest distance of approach from point px,py to this marker. | |
228 | // The distance is computed in pixels units. | |
70a93198 | 229 | // HG Still need to update -> Not sure what this should achieve |
ab48128d | 230 | |
231 | TVector3 pos(0.,0.,0.) ; | |
70a93198 | 232 | GetLocalPosition(pos) ; |
ab48128d | 233 | Float_t x = pos.X() ; |
70a93198 | 234 | Float_t y = pos.Y() ; |
ab48128d | 235 | const Int_t kMaxDiff = 10; |
236 | Int_t pxm = gPad->XtoAbsPixel(x); | |
237 | Int_t pym = gPad->YtoAbsPixel(y); | |
238 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
239 | ||
240 | if (dist > kMaxDiff) return 9999; | |
241 | return dist; | |
242 | } | |
243 | ||
244 | //___________________________________________________________________________ | |
245 | void AliEMCALRecPoint::Draw(Option_t *option) | |
246 | { | |
247 | // Draw this AliEMCALRecPoint with its current attributes | |
248 | ||
249 | AppendPad(option); | |
250 | } | |
251 | ||
252 | //______________________________________________________________________________ | |
70a93198 | 253 | void AliEMCALRecPoint::ExecuteEvent(Int_t /*event*/, Int_t, Int_t) |
ab48128d | 254 | { |
255 | // Execute action corresponding to one event | |
256 | // This member function is called when a AliEMCALRecPoint is clicked with the locator | |
257 | // | |
258 | // If Left button is clicked on AliEMCALRecPoint, the digits are switched on | |
259 | // and switched off when the mouse button is released. | |
260 | ||
261 | // static Int_t pxold, pyold; | |
262 | ||
70a93198 | 263 | /* static TGraph * digitgraph = 0 ; |
ab48128d | 264 | static TPaveText* clustertext = 0 ; |
265 | ||
266 | if (!gPad->IsEditable()) return; | |
267 | ||
268 | switch (event) { | |
269 | ||
270 | ||
271 | case kButton1Down:{ | |
272 | AliEMCALDigit * digit ; | |
88cb7938 | 273 | AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry() ; |
ab48128d | 274 | |
275 | Int_t iDigit; | |
70a93198 | 276 | Int_t relid[2] ; |
ab48128d | 277 | |
278 | const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ; | |
279 | Float_t * xi = new Float_t [kMulDigit] ; | |
280 | Float_t * zi = new Float_t [kMulDigit] ; | |
281 | ||
282 | for(iDigit = 0; iDigit < kMulDigit; iDigit++) { | |
283 | Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code"); | |
284 | digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]); | |
285 | emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
286 | emcalgeom->PosInAlice(relid, xi[iDigit], zi[iDigit]) ; | |
287 | } | |
288 | ||
289 | if (!digitgraph) { | |
290 | digitgraph = new TGraph(fMulDigit,xi,zi); | |
291 | digitgraph-> SetMarkerStyle(5) ; | |
292 | digitgraph-> SetMarkerSize(1.) ; | |
293 | digitgraph-> SetMarkerColor(1) ; | |
294 | digitgraph-> Draw("P") ; | |
295 | } | |
296 | if (!clustertext) { | |
297 | ||
298 | TVector3 pos(0.,0.,0.) ; | |
299 | GetLocalPosition(pos) ; | |
300 | clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ; | |
301 | Text_t line1[40] ; | |
302 | Text_t line2[40] ; | |
303 | sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ; | |
304 | sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ; | |
305 | clustertext ->AddText(line1) ; | |
306 | clustertext ->AddText(line2) ; | |
307 | clustertext ->Draw(""); | |
308 | } | |
309 | gPad->Update() ; | |
9e5d2067 | 310 | Print("") ; |
ab48128d | 311 | delete[] xi ; |
312 | delete[] zi ; | |
313 | } | |
314 | ||
315 | break; | |
316 | ||
317 | case kButton1Up: | |
318 | if (digitgraph) { | |
319 | delete digitgraph ; | |
320 | digitgraph = 0 ; | |
321 | } | |
322 | if (clustertext) { | |
323 | delete clustertext ; | |
324 | clustertext = 0 ; | |
325 | } | |
326 | ||
327 | break; | |
328 | ||
70a93198 | 329 | }*/ |
330 | } | |
331 | //____________________________________________________________________________ | |
332 | void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) | |
333 | { | |
334 | // Evaluates all shower parameters | |
335 | ||
336 | EvalLocalPosition(logWeight, digits) ; | |
500aeccc | 337 | // printf("eval position done\n"); |
70a93198 | 338 | EvalElipsAxis(logWeight, digits) ; |
500aeccc | 339 | // printf("eval axis done\n"); |
70a93198 | 340 | EvalDispersion(logWeight, digits) ; |
500aeccc | 341 | // printf("eval dispersion done\n"); |
1963b290 | 342 | // EvalCoreEnergy(logWeight, digits); |
343 | // printf("eval energy done\n"); | |
70a93198 | 344 | EvalTime(digits) ; |
500aeccc | 345 | // printf("eval time done\n"); |
70a93198 | 346 | |
87cdc3be | 347 | EvalPrimaries(digits) ; |
500aeccc | 348 | // printf("eval pri done\n"); |
87cdc3be | 349 | EvalParents(digits); |
500aeccc | 350 | // printf("eval parent done\n"); |
70a93198 | 351 | } |
352 | ||
353 | //____________________________________________________________________________ | |
354 | void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits) | |
355 | { | |
356 | // Calculates the dispersion of the shower at the origin of the RecPoint | |
357 | ||
e52475ed | 358 | Double_t d = 0., wtot = 0., w = 0., xyzi[3], diff=0.; |
359 | Int_t iDigit=0, nstat=0, i=0; | |
70a93198 | 360 | AliEMCALDigit * digit ; |
5dee926e | 361 | |
70a93198 | 362 | // Calculates the centre of gravity in the local EMCAL-module coordinates |
e52475ed | 363 | if (!fLocPos.Mag()) |
70a93198 | 364 | EvalLocalPosition(logWeight, digits) ; |
365 | ||
70a93198 | 366 | // Calculates the dispersion in coordinates |
70a93198 | 367 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { |
368 | digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ; | |
1963b290 | 369 | |
e52475ed | 370 | geom->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); |
371 | w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; | |
70a93198 | 372 | |
e52475ed | 373 | if(w>0.0) { |
374 | wtot += w; | |
375 | nstat++; | |
376 | for(i=0; i<3; i++ ) { | |
377 | diff = xyzi[i] - double(fLocPos[i]); | |
378 | d += w * diff*diff; | |
379 | } | |
380 | } | |
ab48128d | 381 | } |
70a93198 | 382 | |
e52475ed | 383 | if ( wtot > 0 && nstat>1) d /= wtot ; |
384 | else d = 0. ; | |
70a93198 | 385 | |
386 | fDispersion = TMath::Sqrt(d) ; | |
ab48128d | 387 | } |
70a93198 | 388 | |
ab48128d | 389 | //____________________________________________________________________________ |
70a93198 | 390 | void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits) |
88cb7938 | 391 | { |
70a93198 | 392 | // Calculates the center of gravity in the local EMCAL-module coordinates |
e52475ed | 393 | // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing |
70a93198 | 394 | |
e52475ed | 395 | AliEMCALDigit * digit; |
e52475ed | 396 | Int_t i=0, nstat=0; |
397 | Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.; | |
70a93198 | 398 | |
e52475ed | 399 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { |
70a93198 | 400 | digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ; |
401 | ||
e52475ed | 402 | geom->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); |
403 | // printf(" Id %i : Local x,y,z %f %f %f \n", digit->GetId(), xyzi[0], xyzi[1], xyzi[2]); | |
404 | ||
405 | if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp )); | |
406 | else w = fEnergyList[iDigit]; // just energy | |
ab48128d | 407 | |
e52475ed | 408 | if(w>0.0) { |
409 | wtot += w ; | |
410 | nstat++; | |
411 | for(i=0; i<3; i++ ) { | |
412 | clXYZ[i] += (w*xyzi[i]); | |
413 | clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]); | |
414 | } | |
415 | } | |
416 | } | |
417 | // cout << " wtot " << wtot << endl; | |
70a93198 | 418 | if ( wtot > 0 ) { |
e52475ed | 419 | // xRMS = TMath::Sqrt(x2m - xMean*xMean); |
420 | for(i=0; i<3; i++ ) { | |
421 | clXYZ[i] /= wtot; | |
422 | if(nstat>1) { | |
423 | clRmsXYZ[i] /= (wtot*wtot); | |
424 | clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i]; | |
425 | if(clRmsXYZ[i] > 0.0) { | |
426 | clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]); | |
427 | } else clRmsXYZ[i] = 0; | |
428 | } else clRmsXYZ[i] = 0; | |
429 | } | |
70a93198 | 430 | } else { |
e52475ed | 431 | for(i=0; i<3; i++ ) { |
432 | clXYZ[i] = clRmsXYZ[i] = -1.; | |
433 | } | |
70a93198 | 434 | } |
e52475ed | 435 | // clRmsXYZ[i] ?? |
436 | fLocPos.SetX(clXYZ[0]); | |
437 | fLocPos.SetY(clXYZ[1]); | |
438 | fLocPos.SetZ(clXYZ[2]); | |
70a93198 | 439 | |
1963b290 | 440 | // if (gDebug==2) |
500aeccc | 441 | // printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ; |
e52475ed | 442 | fLocPosM = 0 ; // covariance matrix |
ab48128d | 443 | } |
444 | ||
e52475ed | 445 | //void AliEMCALRecPoint::EvalLocalPositionSimple() |
446 | //{ // Weight is proportional of cell energy | |
447 | //} | |
448 | ||
70a93198 | 449 | //______________________________________________________________________________ |
450 | void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits) | |
451 | { | |
452 | // This function calculates energy in the core, | |
453 | // i.e. within a radius rad = 3cm around the center. Beyond this radius | |
454 | // in accordance with shower profile the energy deposition | |
455 | // should be less than 2% | |
456 | ||
457 | AliEMCALDigit * digit ; | |
458 | const Float_t kDeg2Rad = TMath::DegToRad() ; | |
5dee926e | 459 | |
70a93198 | 460 | Int_t iDigit; |
461 | ||
e52475ed | 462 | if (!fLocPos.Mag()) { |
70a93198 | 463 | EvalLocalPosition(logWeight, digits); |
464 | } | |
465 | ||
466 | for(iDigit=0; iDigit < fMulDigit; iDigit++) { | |
467 | digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ; | |
468 | Float_t etai = 0. ; | |
469 | Float_t phii = 0. ; | |
470 | geom->PosInAlice(digit->GetId(), etai, phii); | |
471 | phii = phii * kDeg2Rad; | |
472 | ||
473 | Float_t distance = TMath::Sqrt((etai-fLocPos.X())*(etai-fLocPos.X())+(phii-fLocPos.Y())*(phii-fLocPos.Y())) ; | |
474 | if(distance < fCoreRadius) | |
475 | fCoreEnergy += fEnergyList[iDigit] ; | |
476 | } | |
477 | ||
478 | } | |
ab48128d | 479 | //____________________________________________________________________________ |
70a93198 | 480 | void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) |
ab48128d | 481 | { |
70a93198 | 482 | // Calculates the axis of the shower ellipsoid in eta and phi |
ab48128d | 483 | |
70a93198 | 484 | Double_t wtot = 0. ; |
485 | Double_t x = 0.; | |
486 | Double_t z = 0.; | |
487 | Double_t dxx = 0.; | |
488 | Double_t dzz = 0.; | |
489 | Double_t dxz = 0.; | |
ab48128d | 490 | |
ff1e7e2f | 491 | const Float_t kDeg2Rad = TMath::DegToRad(); |
70a93198 | 492 | AliEMCALDigit * digit ; |
493 | ||
1963b290 | 494 | TString gn(geom->GetName()); |
70a93198 | 495 | |
496 | Int_t iDigit; | |
ab48128d | 497 | |
70a93198 | 498 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { |
499 | digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ; | |
500 | Float_t etai = 0. ; | |
501 | Float_t phii = 0. ; | |
e52475ed | 502 | if(gn.Contains("SHISH")) { // have to be change - Feb 28, 2006 |
1963b290 | 503 | //copied for shish-kebab geometry, ieta,iphi is cast as float as eta,phi conversion |
504 | // for this geometry does not exist | |
505 | int nSupMod=0, nTower=0, nIphi=0, nIeta=0; | |
506 | int iphi=0, ieta=0; | |
507 | geom->GetCellIndex(digit->GetId(), nSupMod,nTower,nIphi,nIeta); | |
d87bd045 | 508 | geom->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta); |
1963b290 | 509 | etai=(Float_t)ieta; |
510 | phii=(Float_t)iphi; | |
511 | } else { | |
512 | geom->EtaPhiFromIndex(digit->GetId(), etai, phii); | |
513 | phii = phii * kDeg2Rad; | |
514 | } | |
515 | ||
70a93198 | 516 | Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; |
ff1e7e2f | 517 | |
70a93198 | 518 | dxx += w * etai * etai ; |
519 | x += w * etai ; | |
520 | dzz += w * phii * phii ; | |
521 | z += w * phii ; | |
1963b290 | 522 | |
ff1e7e2f | 523 | dxz += w * etai * phii ; |
1963b290 | 524 | |
70a93198 | 525 | wtot += w ; |
526 | } | |
ff1e7e2f | 527 | |
70a93198 | 528 | if ( wtot > 0 ) { |
529 | dxx /= wtot ; | |
530 | x /= wtot ; | |
531 | dxx -= x * x ; | |
532 | dzz /= wtot ; | |
533 | z /= wtot ; | |
534 | dzz -= z * z ; | |
535 | dxz /= wtot ; | |
536 | dxz -= x * z ; | |
ab48128d | 537 | |
70a93198 | 538 | fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; |
539 | if(fLambda[0] > 0) | |
540 | fLambda[0] = TMath::Sqrt(fLambda[0]) ; | |
541 | else | |
542 | fLambda[0] = 0; | |
543 | ||
544 | fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; | |
ff1e7e2f | 545 | |
70a93198 | 546 | if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda. |
547 | fLambda[1] = TMath::Sqrt(fLambda[1]) ; | |
548 | else | |
549 | fLambda[1]= 0. ; | |
550 | } else { | |
551 | fLambda[0]= 0. ; | |
552 | fLambda[1]= 0. ; | |
ab48128d | 553 | } |
ff1e7e2f | 554 | |
1963b290 | 555 | // printf("Evalaxis: lambdas = %f,%f", fLambda[0],fLambda[1]) ; |
ff1e7e2f | 556 | |
ab48128d | 557 | } |
558 | ||
559 | //______________________________________________________________________________ | |
560 | void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits) | |
561 | { | |
562 | // Constructs the list of primary particles (tracks) which have contributed to this RecPoint | |
563 | ||
564 | AliEMCALDigit * digit ; | |
565 | Int_t * tempo = new Int_t[fMaxTrack] ; | |
566 | ||
567 | Int_t index ; | |
568 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
569 | digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ; | |
570 | Int_t nprimaries = digit->GetNprimary() ; | |
5c0368b8 | 571 | if ( nprimaries == 0 ) continue ; |
ab48128d | 572 | Int_t * newprimaryarray = new Int_t[nprimaries] ; |
573 | Int_t ii ; | |
574 | for ( ii = 0 ; ii < nprimaries ; ii++) | |
575 | newprimaryarray[ii] = digit->GetPrimary(ii+1) ; | |
576 | ||
577 | Int_t jndex ; | |
578 | for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit | |
579 | if ( fMulTrack > fMaxTrack ) { | |
f792c312 | 580 | fMulTrack = fMaxTrack ; |
9859bfc0 | 581 | Error("GetNprimaries", "increase fMaxTrack ") ; |
ab48128d | 582 | break ; |
583 | } | |
584 | Int_t newprimary = newprimaryarray[jndex] ; | |
585 | Int_t kndex ; | |
586 | Bool_t already = kFALSE ; | |
587 | for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored | |
588 | if ( newprimary == tempo[kndex] ){ | |
589 | already = kTRUE ; | |
590 | break ; | |
591 | } | |
592 | } // end of check | |
5c0368b8 | 593 | if ( !already && (fMulTrack < fMaxTrack)) { // store it |
ab48128d | 594 | tempo[fMulTrack] = newprimary ; |
595 | fMulTrack++ ; | |
596 | } // store it | |
597 | } // all primaries in digit | |
f792c312 | 598 | delete [] newprimaryarray ; |
ab48128d | 599 | } // all digits |
600 | ||
601 | ||
602 | fTracksList = new Int_t[fMulTrack] ; | |
603 | for(index = 0; index < fMulTrack; index++) | |
604 | fTracksList[index] = tempo[index] ; | |
605 | ||
f792c312 | 606 | delete [] tempo ; |
ab48128d | 607 | |
608 | } | |
7ee5c5be | 609 | |
87cdc3be | 610 | //______________________________________________________________________________ |
611 | void AliEMCALRecPoint::EvalParents(TClonesArray * digits) | |
612 | { | |
613 | // Constructs the list of parent particles (tracks) which have contributed to this RecPoint | |
614 | ||
615 | AliEMCALDigit * digit ; | |
616 | Int_t * tempo = new Int_t[fMaxParent] ; | |
617 | ||
618 | Int_t index ; | |
619 | for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits | |
620 | digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ; | |
621 | Int_t nparents = digit->GetNiparent() ; | |
5c0368b8 | 622 | if ( nparents == 0 ) continue ; |
87cdc3be | 623 | Int_t * newparentarray = new Int_t[nparents] ; |
624 | Int_t ii ; | |
625 | for ( ii = 0 ; ii < nparents ; ii++) | |
626 | newparentarray[ii] = digit->GetIparent(ii+1) ; | |
627 | ||
628 | Int_t jndex ; | |
629 | for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit | |
630 | if ( fMulParent > fMaxParent ) { | |
631 | fMulTrack = - 1 ; | |
632 | Error("GetNiparent", "increase fMaxParent") ; | |
633 | break ; | |
634 | } | |
635 | Int_t newparent = newparentarray[jndex] ; | |
636 | Int_t kndex ; | |
637 | Bool_t already = kFALSE ; | |
f1d429fd | 638 | for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored |
87cdc3be | 639 | if ( newparent == tempo[kndex] ){ |
640 | already = kTRUE ; | |
641 | break ; | |
642 | } | |
643 | } // end of check | |
5c0368b8 | 644 | if ( !already && (fMulTrack < fMaxTrack)) { // store it |
87cdc3be | 645 | tempo[fMulParent] = newparent ; |
646 | fMulParent++ ; | |
647 | } // store it | |
648 | } // all parents in digit | |
27e2a47c | 649 | delete [] newparentarray ; |
87cdc3be | 650 | } // all digits |
651 | ||
27e2a47c | 652 | if (fMulParent>0) { |
653 | fParentsList = new Int_t[fMulParent] ; | |
654 | for(index = 0; index < fMulParent; index++) | |
655 | fParentsList[index] = tempo[index] ; | |
656 | } | |
87cdc3be | 657 | |
27e2a47c | 658 | delete [] tempo ; |
87cdc3be | 659 | |
660 | } | |
661 | ||
70a93198 | 662 | //____________________________________________________________________________ |
663 | void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const | |
664 | { | |
665 | // returns the position of the cluster in the local reference system of ALICE | |
70a93198 | 666 | |
667 | lpos.SetX(fLocPos.X()) ; | |
668 | lpos.SetY(fLocPos.Y()) ; | |
669 | lpos.SetZ(fLocPos.Z()) ; | |
670 | } | |
671 | ||
ab48128d | 672 | //____________________________________________________________________________ |
673 | void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const | |
674 | { | |
675 | // returns the position of the cluster in the global reference system of ALICE | |
70a93198 | 676 | // These are now the Cartesian X, Y and Z |
e52475ed | 677 | geom = AliEMCALGeometry::GetInstance(); |
678 | // cout<<" geom "<<geom<<endl; | |
679 | geom->GetGlobal(fLocPos, gpos, fSuperModuleNumber); | |
70a93198 | 680 | } |
681 | ||
682 | //____________________________________________________________________________ | |
683 | Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const | |
684 | { | |
685 | // Finds the maximum energy in the cluster | |
ab48128d | 686 | |
70a93198 | 687 | Float_t menergy = 0. ; |
688 | ||
689 | Int_t iDigit; | |
690 | ||
691 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
692 | ||
693 | if(fEnergyList[iDigit] > menergy) | |
694 | menergy = fEnergyList[iDigit] ; | |
695 | } | |
696 | return menergy ; | |
ab48128d | 697 | } |
698 | ||
aad8e277 | 699 | //____________________________________________________________________________ |
70a93198 | 700 | Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const |
aad8e277 | 701 | { |
70a93198 | 702 | // Calculates the multiplicity of digits with energy larger than H*energy |
703 | ||
704 | Int_t multipl = 0 ; | |
705 | Int_t iDigit ; | |
706 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
707 | ||
708 | if(fEnergyList[iDigit] > H * fAmp) | |
709 | multipl++ ; | |
710 | } | |
711 | return multipl ; | |
712 | } | |
713 | ||
714 | //____________________________________________________________________________ | |
715 | Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy, | |
716 | Float_t locMaxCut,TClonesArray * digits) const | |
717 | { | |
718 | // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum | |
719 | // energy difference between two local maxima | |
720 | ||
721 | AliEMCALDigit * digit ; | |
722 | AliEMCALDigit * digitN ; | |
723 | ||
724 | Int_t iDigitN ; | |
725 | Int_t iDigit ; | |
726 | ||
727 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) | |
728 | maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ; | |
729 | ||
730 | for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { | |
731 | if(maxAt[iDigit]) { | |
732 | digit = maxAt[iDigit] ; | |
733 | ||
734 | for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { | |
735 | digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ; | |
736 | ||
737 | if ( AreNeighbours(digit, digitN) ) { | |
738 | if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { | |
739 | maxAt[iDigitN] = 0 ; | |
740 | // but may be digit too is not local max ? | |
741 | if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut) | |
742 | maxAt[iDigit] = 0 ; | |
743 | } | |
744 | else { | |
745 | maxAt[iDigit] = 0 ; | |
746 | // but may be digitN too is not local max ? | |
747 | if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut) | |
748 | maxAt[iDigitN] = 0 ; | |
749 | } | |
750 | } // if Areneighbours | |
751 | } // while digitN | |
752 | } // slot not empty | |
753 | } // while digit | |
754 | ||
755 | iDigitN = 0 ; | |
756 | for(iDigit = 0; iDigit < fMulDigit; iDigit++) { | |
757 | if(maxAt[iDigit] ){ | |
758 | maxAt[iDigitN] = maxAt[iDigit] ; | |
759 | maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; | |
760 | iDigitN++ ; | |
761 | } | |
762 | } | |
763 | return iDigitN ; | |
764 | } | |
765 | //____________________________________________________________________________ | |
766 | void AliEMCALRecPoint::EvalTime(TClonesArray * digits){ | |
767 | // time is set to the time of the digit with the maximum energy | |
768 | ||
769 | Float_t maxE = 0; | |
770 | Int_t maxAt = 0; | |
771 | for(Int_t idig=0; idig < fMulDigit; idig++){ | |
772 | if(fEnergyList[idig] > maxE){ | |
773 | maxE = fEnergyList[idig] ; | |
774 | maxAt = idig; | |
775 | } | |
776 | } | |
777 | fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ; | |
aad8e277 | 778 | |
aad8e277 | 779 | } |
ab48128d | 780 | |
781 | //______________________________________________________________________________ | |
782 | void AliEMCALRecPoint::Paint(Option_t *) | |
783 | { | |
784 | // Paint this ALiRecPoint as a TMarker with its current attributes | |
785 | ||
786 | TVector3 pos(0.,0.,0.) ; | |
787 | GetLocalPosition(pos) ; | |
788 | Coord_t x = pos.X() ; | |
789 | Coord_t y = pos.Z() ; | |
790 | Color_t markercolor = 1 ; | |
791 | Size_t markersize = 1. ; | |
792 | Style_t markerstyle = 5 ; | |
793 | ||
794 | if (!gPad->IsBatch()) { | |
795 | gVirtualX->SetMarkerColor(markercolor) ; | |
796 | gVirtualX->SetMarkerSize (markersize) ; | |
797 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
798 | } | |
799 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
800 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
801 | } | |
70a93198 | 802 | |
803 | //______________________________________________________________________________ | |
804 | Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const | |
805 | { | |
806 | //Converts Theta (Radians) to Eta(Radians) | |
807 | return (2.*TMath::ATan(TMath::Exp(-arg))); | |
808 | } | |
809 | ||
810 | //______________________________________________________________________________ | |
811 | Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const | |
812 | { | |
813 | //Converts Eta (Radians) to Theta(Radians) | |
814 | return (-1 * TMath::Log(TMath::Tan(0.5 * arg))); | |
815 | } | |
261b1065 | 816 | |
817 | //____________________________________________________________________________ | |
818 | void AliEMCALRecPoint::Print(Option_t *) const | |
819 | { | |
820 | // Print the list of digits belonging to the cluster | |
e52475ed | 821 | return; |
261b1065 | 822 | TString message ; |
4800667c | 823 | message = "AliEMCALRecPoint:\n" ; |
261b1065 | 824 | message += " digits # = " ; |
825 | Info("Print", message.Data()) ; | |
826 | ||
827 | Int_t iDigit; | |
828 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
829 | printf(" %d ", fDigitsList[iDigit] ) ; | |
e52475ed | 830 | printf("\n"); |
831 | ||
261b1065 | 832 | Info("Print", " Energies = ") ; |
833 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
834 | printf(" %f ", fEnergyList[iDigit] ) ; | |
e52475ed | 835 | printf("\n"); |
836 | ||
837 | Info("Print", "\n Abs Ids = ") ; | |
838 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
839 | printf(" %i ", fAbsIdList[iDigit] ) ; | |
840 | printf("\n"); | |
841 | ||
842 | Info("Print", " Primaries ") ; | |
261b1065 | 843 | for(iDigit = 0;iDigit < fMulTrack; iDigit++) |
844 | printf(" %d ", fTracksList[iDigit]) ; | |
e52475ed | 845 | |
846 | printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]); | |
847 | ||
85c60a8e | 848 | message = " ClusterType = %d" ; |
849 | message += " Multiplicity = %d" ; | |
261b1065 | 850 | message += " Cluster Energy = %f" ; |
851 | message += " Core energy = %f" ; | |
852 | message += " Core radius = %f" ; | |
853 | message += " Number of primaries %d" ; | |
854 | message += " Stored at position %d" ; | |
85c60a8e | 855 | Info("Print", message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList() ) ; |
261b1065 | 856 | } |