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