Removed paragraph about checking geometry with G3GUI
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALRecPoint.cxx
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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
39ClassImp(AliEMCALRecPoint)
40
e52475ed 41AliEMCALGeometry * geom = 0;
42
ab48128d 43//____________________________________________________________________________
44AliEMCALRecPoint::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//____________________________________________________________________________
65AliEMCALRecPoint::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//____________________________________________________________________________
84AliEMCALRecPoint::~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//____________________________________________________________________________
96void 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//____________________________________________________________________________
149Bool_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//____________________________________________________________________________
180Int_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//____________________________________________________________________________
210Int_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 239void 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
301break;
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//____________________________________________________________________________
318void 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//____________________________________________________________________________
340void 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 377void 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//______________________________________________________________________________
438void 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 469void 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//______________________________________________________________________________
550void 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//______________________________________________________________________________
601void 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
ab48128d 652//____________________________________________________________________________
70a93198 653void 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
662//____________________________________________________________________________
ab48128d 663void 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//____________________________________________________________________________
673Float_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 690Int_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//____________________________________________________________________________
705Int_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//____________________________________________________________________________
756void 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//______________________________________________________________________________
772void 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//______________________________________________________________________________
794Float_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//______________________________________________________________________________
801Float_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//____________________________________________________________________________
808void AliEMCALRecPoint::Print(Option_t *) const
809{
810 // Print the list of digits belonging to the cluster
e52475ed 811 return;
261b1065 812 TString message ;
4800667c 813 message = "AliEMCALRecPoint:\n" ;
261b1065 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}