**************************************************************************/
/* $Id$ */
//_________________________________________________________________________
-// Base Class for EMCAL Reconstructed Points
-// Why should I put meaningless comments
-// just to satisfy
-// the code checker
+// Reconstructed Points for the EMCAL
+// A RecPoint is a cluster of digits
//*-- Author: Yves Schutz (SUBATECH)
+//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
+//*-- Author: Heather Gray (LBL) merged AliEMCALRecPoint and AliEMCALTowerRecPoint 02/04
// --- ROOT system ---
#include "TPad.h"
#include "TGraph.h"
#include "TPaveText.h"
#include "TClonesArray.h"
+#include "TMath.h"
+#include "TGeoMatrix.h"
+#include "TGeoManager.h"
+#include "TGeoPhysicalNode.h"
// --- Standard library ---
+#include <Riostream.h>
// --- AliRoot header files ---
-
+//#include "AliGenerator.h"
+class AliGenerator;
+class AliEMCAL;
+#include "AliLog.h"
+#include "AliGeomManager.h"
#include "AliEMCALGeometry.h"
+#include "AliEMCALHit.h"
#include "AliEMCALDigit.h"
#include "AliEMCALRecPoint.h"
-#include "AliEMCALGetter.h"
ClassImp(AliEMCALRecPoint)
-
//____________________________________________________________________________
AliEMCALRecPoint::AliEMCALRecPoint()
- : AliRecPoint()
+ : AliCluster(), fGeomPtr(0),
+ fAmp(0), fIndexInList(-1), //to be set when the point is already stored
+ fLocPos(0,0,0), fLocPosM(0),
+ fMaxDigit(100), fMulDigit(0), fMaxTrack(200),
+ fMulTrack(0), fDigitsList(0), fTracksList(0),
+ fClusterType(-1), fCoreEnergy(0), fDispersion(0),
+ fEnergyList(0), fTimeList(0), fAbsIdList(0),
+ fTime(0.), fCoreRadius(10), //HG check this
+ fDETracksList(0), fMulParent(0), fMaxParent(0),
+ fParentsList(0), fDEParentsList(0), fSuperModuleNumber(0),
+ fDigitIndMax(-1)
{
// ctor
+ fGeomPtr = AliEMCALGeometry::GetInstance();
+
+ fLambda[0] = 0;
+ fLambda[1] = 0;
- fMaxTrack = 0 ;
- fTheta = fPhi = 0. ;
- fEMCALArm = 0;
- fECASection = kFALSE ;
}
//____________________________________________________________________________
-AliEMCALRecPoint::AliEMCALRecPoint(const char * opt) : AliRecPoint(opt)
+AliEMCALRecPoint::AliEMCALRecPoint(const char *)
+ : AliCluster(), fGeomPtr(0),
+ fAmp(0), fIndexInList(-1), //to be set when the point is already stored
+ fLocPos(0,0,0), fLocPosM(new TMatrixF(3,3)),
+ fMaxDigit(100), fMulDigit(0), fMaxTrack(1000), fMulTrack(0),
+ fDigitsList(new Int_t[fMaxDigit]), fTracksList(new Int_t[fMaxTrack]),
+ fClusterType(-1), fCoreEnergy(0), fDispersion(0),
+ fEnergyList(new Float_t[fMaxDigit]), fTimeList(new Float_t[fMaxDigit]),
+ fAbsIdList(new Int_t[fMaxDigit]), fTime(-1.), fCoreRadius(10),
+ fDETracksList(new Float_t[fMaxTrack]), fMulParent(0), fMaxParent(1000),
+ fParentsList(new Int_t[fMaxParent]), fDEParentsList(new Float_t[fMaxParent]),
+ fSuperModuleNumber(0), fDigitIndMax(-1)
{
// ctor
+ for (Int_t i = 0; i < fMaxTrack; i++)
+ fDETracksList[i] = 0;
+ for (Int_t i = 0; i < fMaxParent; i++) {
+ fParentsList[i] = -1;
+ fDEParentsList[i] = 0;
+ }
+
+ fGeomPtr = AliEMCALGeometry::GetInstance();
+ fLambda[0] = 0;
+ fLambda[1] = 0;
+}
+
+//____________________________________________________________________________
+AliEMCALRecPoint::AliEMCALRecPoint(const AliEMCALRecPoint & rp)
+ : AliCluster(rp), fGeomPtr(rp.fGeomPtr),
+ fAmp(rp.fAmp), fIndexInList(rp.fIndexInList),
+ fLocPos(rp.fLocPos), fLocPosM(rp.fLocPosM),
+ fMaxDigit(rp.fMaxDigit), fMulDigit(rp.fMulDigit),
+ fMaxTrack(rp.fMaxTrack), fMulTrack(rp.fMaxTrack),
+ fDigitsList(new Int_t[rp.fMaxDigit]), fTracksList(new Int_t[rp.fMaxTrack]),
+ fClusterType(rp.fClusterType), fCoreEnergy(rp.fCoreEnergy),
+ fDispersion(rp.fDispersion),
+ fEnergyList(new Float_t[rp.fMaxDigit]), fTimeList(new Float_t[rp.fMaxDigit]),
+ fAbsIdList(new Int_t[rp.fMaxDigit]), fTime(rp.fTime), fCoreRadius(rp.fCoreRadius),
+ fDETracksList(new Float_t[rp.fMaxTrack]), fMulParent(rp.fMulParent),
+ fMaxParent(rp.fMaxParent), fParentsList(new Int_t[rp.fMaxParent]),
+ fDEParentsList(new Float_t[rp.fMaxParent]),
+ fSuperModuleNumber(rp.fSuperModuleNumber), fDigitIndMax(rp.fDigitIndMax)
+{
+ //copy ctor
+ fLambda[0] = rp.fLambda[0];
+ fLambda[1] = rp.fLambda[1];
+
+ for(Int_t i = 0; i < rp.fMulDigit; i++) {
+ fEnergyList[i] = rp.fEnergyList[i];
+ fTimeList[i] = rp.fTimeList[i];
+ fAbsIdList[i] = rp.fAbsIdList[i];
+ }
+
+ for(Int_t i = 0; i < rp.fMulTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
+
+ for(Int_t i = 0; i < rp.fMulParent; i++) {
+ fParentsList[i] = rp.fParentsList[i];
+ fDEParentsList[i] = rp.fDEParentsList[i];
+ }
+
+}
+//____________________________________________________________________________
+AliEMCALRecPoint::~AliEMCALRecPoint()
+{
+ // dtor
+ if ( fEnergyList )
+ delete[] fEnergyList ;
+ if ( fTimeList )
+ delete[] fTimeList ;
+ if ( fAbsIdList )
+ delete[] fAbsIdList ;
+ if ( fDETracksList)
+ delete[] fDETracksList;
+ if ( fParentsList)
+ delete[] fParentsList;
+ if ( fDEParentsList)
+ delete[] fDEParentsList;
+
+ delete fLocPosM ;
+ delete [] fDigitsList ;
+ delete [] fTracksList ;
+}
+
+//____________________________________________________________________________
+AliEMCALRecPoint& AliEMCALRecPoint::operator= (const AliEMCALRecPoint &rp)
+{
+ // assignment operator
+
+ if(&rp == this) return *this;
+
+ fGeomPtr = rp.fGeomPtr;
+ fAmp = rp.fAmp;
+ fIndexInList = rp.fIndexInList;
+ fLocPos = rp.fLocPos;
+ fLocPosM = rp.fLocPosM;
+ fMaxDigit = rp.fMaxDigit;
+ fMulDigit = rp.fMulDigit;
+ fMaxTrack = rp.fMaxTrack;
+ fMulTrack = rp.fMaxTrack;
+ for(Int_t i = 0; i<fMaxDigit; i++) fDigitsList[i] = rp.fDigitsList[i];
+ for(Int_t i = 0; i<fMaxTrack; i++) fTracksList[i] = rp.fTracksList[i];
+ fClusterType = rp.fClusterType;
+ fCoreEnergy = rp.fCoreEnergy;
+ fDispersion = rp.fDispersion;
+ for(Int_t i = 0; i<fMaxDigit; i++) {
+ fEnergyList[i] = rp.fEnergyList[i];
+ fTimeList[i] = rp.fTimeList[i];
+ fAbsIdList[i] = rp.fAbsIdList[i];
+ }
+ fTime = rp.fTime;
+ fCoreRadius = rp.fCoreRadius;
+ for(Int_t i = 0; i < fMaxTrack; i++) fDETracksList[i] = rp.fDETracksList[i];
+ fMulParent = rp.fMulParent;
+ fMaxParent = rp.fMaxParent;
+ for(Int_t i = 0; i < fMaxParent; i++) {
+ fParentsList[i] = rp.fParentsList[i];
+ fDEParentsList[i] = rp.fDEParentsList[i];
+ }
+ fSuperModuleNumber = rp.fSuperModuleNumber;
+ fDigitIndMax = rp.fDigitIndMax;
+
+ fLambda[0] = rp.fLambda[0];
+ fLambda[1] = rp.fLambda[1];
+
+ return *this;
+
+}
+
+//____________________________________________________________________________
+void AliEMCALRecPoint::AddDigit(AliEMCALDigit & digit, Float_t Energy)
+{
+ // Adds a digit to the RecPoint
+ // and accumulates the total amplitude and the multiplicity
- fMaxTrack = 200 ;
- fTheta = fPhi = 0. ;
- fEMCALArm = 1;
+ if(fEnergyList == 0)
+ fEnergyList = new Float_t[fMaxDigit];
+ if(fTimeList == 0)
+ fTimeList = new Float_t[fMaxDigit];
+ if(fAbsIdList == 0) {
+ fAbsIdList = new Int_t[fMaxDigit];
+ }
+
+ if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
+ fMaxDigit*=2 ;
+ Int_t * tempo = new Int_t[fMaxDigit];
+ Float_t * tempoE = new Float_t[fMaxDigit];
+ Float_t * tempoT = new Float_t[fMaxDigit];
+ Int_t * tempoId = new Int_t[fMaxDigit];
+
+ Int_t index ;
+ for ( index = 0 ; index < fMulDigit ; index++ ){
+ tempo[index] = fDigitsList[index] ;
+ tempoE[index] = fEnergyList[index] ;
+ tempoT[index] = fTimeList[index] ;
+ tempoId[index] = fAbsIdList[index] ;
+ }
+
+ delete [] fDigitsList ;
+ delete [] fEnergyList ;
+ delete [] fTimeList ;
+ delete [] fAbsIdList ;
+
+ fDigitsList = tempo;
+ fEnergyList = tempoE;
+ fTimeList = tempoT;
+ fAbsIdList = tempoId;
+ } // if
+
+ fDigitsList[fMulDigit] = digit.GetIndexInList() ;
+ fEnergyList[fMulDigit] = Energy ;
+ fTimeList[fMulDigit] = digit.GetTimeR() ;
+ fAbsIdList[fMulDigit] = digit.GetId();
+ fMulDigit++ ;
+ fAmp += Energy ;
+
+ //JLK 10-Oct-2007 this hasn't been filled before because it was in
+ //the wrong place in previous versions.
+ //Now we evaluate it only if the supermodulenumber for this recpoint
+ //has not yet been set (or is the 0th one)
+ if(fSuperModuleNumber == 0)
+ fSuperModuleNumber = fGeomPtr->GetSuperModuleNumber(digit.GetId());
+
+}
+//____________________________________________________________________________
+Bool_t AliEMCALRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const
+{
+ // Tells if (true) or not (false) two digits are neighbours
+ // A neighbour is defined as being two digits which share a corner
+ static Bool_t areNeighbours = kFALSE ;
+ static Int_t nSupMod=0, nModule=0, nIphi=0, nIeta=0;
+ static int nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0;
+ static Int_t relid1[2] , relid2[2] ; // ieta, iphi
+ static Int_t rowdiff=0, coldiff=0;
+
+ areNeighbours = kFALSE ;
+
+ fGeomPtr->GetCellIndex(digit1->GetId(), nSupMod,nModule,nIphi,nIeta);
+ fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, relid1[0],relid1[1]);
+
+ fGeomPtr->GetCellIndex(digit2->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
+ fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, relid2[0],relid2[1]);
+
+ rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
+ coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
+
+ if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
+ areNeighbours = kTRUE ;
+
+ return areNeighbours;
+}
+
+//____________________________________________________________________________
+Int_t AliEMCALRecPoint::Compare(const TObject * obj) const
+{
+ // Compares two RecPoints according to their position in the EMCAL modules
+
+ Float_t delta = 1 ; //Width of "Sorting row". If you change this
+ //value (what is senseless) change as well delta in
+ //AliEMCALTrackSegmentMakerv* and other RecPoints...
+ Int_t rv ;
+
+ AliEMCALRecPoint * clu = (AliEMCALRecPoint *)obj ;
+
+ TVector3 locpos1;
+ GetLocalPosition(locpos1);
+ TVector3 locpos2;
+ clu->GetLocalPosition(locpos2);
+
+ Int_t rowdif = (Int_t)(TMath::Ceil(locpos1.X()/delta)-TMath::Ceil(locpos2.X()/delta)) ;
+ if (rowdif> 0)
+ rv = 1 ;
+ else if(rowdif < 0)
+ rv = -1 ;
+ else if(locpos1.Y()>locpos2.Y())
+ rv = -1 ;
+ else
+ rv = 1 ;
+
+ return rv ;
}
//____________________________________________________________________________
// Compute distance from point px,py to a AliEMCALRecPoint considered as a Tmarker
// Compute the closest distance of approach from point px,py to this marker.
// The distance is computed in pixels units.
+ // HG Still need to update -> Not sure what this should achieve
TVector3 pos(0.,0.,0.) ;
- GetLocalPosition( pos) ;
+ GetLocalPosition(pos) ;
Float_t x = pos.X() ;
- Float_t y = pos.Z() ;
+ Float_t y = pos.Y() ;
const Int_t kMaxDiff = 10;
Int_t pxm = gPad->XtoAbsPixel(x);
Int_t pym = gPad->YtoAbsPixel(y);
}
//______________________________________________________________________________
-void AliEMCALRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
+void AliEMCALRecPoint::ExecuteEvent(Int_t /*event*/, Int_t, Int_t)
{
// Execute action corresponding to one event
// This member function is called when a AliEMCALRecPoint is clicked with the locator
// static Int_t pxold, pyold;
- static TGraph * digitgraph = 0 ;
+ /* static TGraph * digitgraph = 0 ;
static TPaveText* clustertext = 0 ;
if (!gPad->IsEditable()) return;
case kButton1Down:{
AliEMCALDigit * digit ;
- AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry() ;
Int_t iDigit;
- Int_t relid[3] ;
+ Int_t relid[2] ;
const Int_t kMulDigit=AliEMCALRecPoint::GetDigitsMultiplicity() ;
Float_t * xi = new Float_t [kMulDigit] ;
for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
Fatal("AliEMCALRecPoint::ExecuteEvent", " -> Something wrong with the code");
digit = 0 ; //dynamic_cast<AliEMCALDigit *>((fDigitsList)[iDigit]);
- emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
- emcalgeom->PosInAlice(relid, xi[iDigit], zi[iDigit]) ;
+ fGeomPtr->AbsToRelNumbering(digit->GetId(), relid) ;
+ fGeomPtr->PosInAlice(relid, xi[iDigit], zi[iDigit]) ;
}
if (!digitgraph) {
break;
+ }*/
+}
+//____________________________________________________________________________
+void AliEMCALRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits)
+{
+ // Evaluates all shower parameters
+ EvalLocalPosition(logWeight, digits) ;
+ EvalElipsAxis(logWeight, digits) ;
+ EvalDispersion(logWeight, digits) ;
+ //EvalCoreEnergy(logWeight, digits);
+ EvalTime(digits) ;
+ EvalPrimaries(digits) ;
+ EvalParents(digits);
+
+ //Called last because it sets the global position of the cluster?
+ EvalLocal2TrackingCSTransform();
+
+}
+
+//____________________________________________________________________________
+void AliEMCALRecPoint::EvalDispersion(Float_t logWeight, TClonesArray * digits)
+{
+ // Calculates the dispersion of the shower at the origin of the RecPoint
+ // in cell units - Nov 16,2006
+
+ Double_t d = 0., wtot = 0., w = 0.;
+ Int_t iDigit=0, nstat=0;
+ AliEMCALDigit * digit ;
+
+ // Calculates the dispersion in cell units
+ Double_t etai, phii, etaMean=0.0, phiMean=0.0;
+ int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
+ int iphi=0, ieta=0;
+ // Calculate mean values
+ for(iDigit=0; iDigit < fMulDigit; iDigit++) {
+ digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
+
+ if (fAmp>0 && fEnergyList[iDigit]>0) {
+ fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
+ fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
+ etai=(Double_t)ieta;
+ phii=(Double_t)iphi;
+ w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+
+ if(w>0.0) {
+ phiMean += phii*w;
+ etaMean += etai*w;
+ wtot += w;
+ }
+ }
}
+ if (wtot>0) {
+ phiMean /= wtot ;
+ etaMean /= wtot ;
+ } else AliError(Form("Wrong weight %f\n", wtot));
+
+ // Calculate dispersion
+ for(iDigit=0; iDigit < fMulDigit; iDigit++) {
+ digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
+
+ if (fAmp>0 && fEnergyList[iDigit]>0) {
+ fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
+ fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
+ etai=(Double_t)ieta;
+ phii=(Double_t)iphi;
+ w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+
+ if(w>0.0) {
+ nstat++;
+ d += w*((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
+ }
+ }
+ }
+
+ if ( wtot > 0 && nstat>1) d /= wtot ;
+ else d = 0. ;
+
+ fDispersion = TMath::Sqrt(d) ;
}
+
//____________________________________________________________________________
-void AliEMCALRecPoint::EvalAll(Float_t /*logWeight*/,TClonesArray * digits)
+void AliEMCALRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
{
- //evaluates (if necessary) all RecPoint data members
+ // Calculates the center of gravity in the local EMCAL-module coordinates
+ // Info("Print", " logWeight %f : cluster energy %f ", logWeight, fAmp); // for testing
+
+ static Double_t dist;
- EvalPrimaries(digits) ;
+ AliEMCALDigit * digit;
+ Int_t i=0, nstat=0, idMax=-1;
+ Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
+
+ //printf(" dist : %f e : %f \n", dist, fAmp);
+ for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
+ if(iDigit==0) {
+ idMax = digit->GetId(); // is it correct
+ dist = TmaxInCm(Double_t(fAmp));
+ }
+ fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
+ //printf(" Id %i : dist %f Local x,y,z %f %f %f \n", digit->GetId(), dist, xyzi[0], xyzi[1], xyzi[2]);
+
+ //fGeomPtr->RelPosCellInSModule(digit->GetId(), xyzi[0], xyzi[1], xyzi[2]);
+ //printf(" Id %i : dist %f Local x,y,z %f %f %f \n", digit->GetId(), 0.0, xyzi[0], xyzi[1], xyzi[2]);
+ // if(fAmp>102.) assert(0);
+
+ if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
+ else w = fEnergyList[iDigit]; // just energy
+
+ if(w>0.0) {
+ wtot += w ;
+ nstat++;
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] += (w*xyzi[i]);
+ clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
+ }
+ }
+ }
+ // cout << " wtot " << wtot << endl;
+ if ( wtot > 0 ) {
+ // xRMS = TMath::Sqrt(x2m - xMean*xMean);
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] /= wtot;
+ if(nstat>1) {
+ clRmsXYZ[i] /= (wtot*wtot);
+ clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
+ if(clRmsXYZ[i] > 0.0) {
+ clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
+ } else clRmsXYZ[i] = 0;
+ } else clRmsXYZ[i] = 0;
+ }
+ } else {
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] = clRmsXYZ[i] = -1.;
+ }
+ }
+ // clRmsXYZ[i] ??
+ fLocPos.SetX(clXYZ[0]);
+ fLocPos.SetY(clXYZ[1]);
+ fLocPos.SetZ(clXYZ[2]);
+
+// if (gDebug==2)
+// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
+ fLocPosM = 0 ; // covariance matrix
}
//____________________________________________________________________________
-void AliEMCALRecPoint::EvalEMCALArm(AliEMCALDigit * digit)
+void AliEMCALRecPoint::EvalLocalPositionFit(Double_t deff, Double_t logWeight,
+Double_t phiSlope, TClonesArray * digits)
{
- // Returns the EMCAL module in which the RecPoint is found
+ // Aug 14-16, 2007 - for fit
+ // Aug 31 - should be static ??
+ static Double_t dist, ycorr;
+ static AliEMCALDigit *digit;
+ Int_t i=0, nstat=0, idMax=-1;
+ Double_t clXYZ[3]={0.,0.,0.}, clRmsXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
- if( fEMCALArm == 0){
- Int_t relid[3] ;
+ for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
+ if(iDigit==0) {
+ idMax = digit->GetId(); // is it correct
+ dist = TmaxInCm(Double_t(fAmp));
+ }
+
+ dist = deff;
+ fGeomPtr->RelPosCellInSModule(digit->GetId(), idMax, dist, xyzi[0], xyzi[1], xyzi[2]);
+
+ if(logWeight > 0.0) w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ));
+ else w = fEnergyList[iDigit]; // just energy
+
+ if(w>0.0) {
+ wtot += w ;
+ nstat++;
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] += (w*xyzi[i]);
+ clRmsXYZ[i] += (w*xyzi[i]*xyzi[i]);
+ }
+ }
+ }
+ // cout << " wtot " << wtot << endl;
+ if ( wtot > 0 ) {
+ // xRMS = TMath::Sqrt(x2m - xMean*xMean);
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] /= wtot;
+ if(nstat>1) {
+ clRmsXYZ[i] /= (wtot*wtot);
+ clRmsXYZ[i] = clRmsXYZ[i] - clXYZ[i]*clXYZ[i];
+ if(clRmsXYZ[i] > 0.0) {
+ clRmsXYZ[i] = TMath::Sqrt(clRmsXYZ[i]);
+ } else clRmsXYZ[i] = 0;
+ } else clRmsXYZ[i] = 0;
+ }
+ } else {
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] = clRmsXYZ[i] = -1.;
+ }
+ }
+ // clRmsXYZ[i] ??
+ if(phiSlope != 0.0 && logWeight > 0.0 && wtot) {
+ // Correction in phi direction (y - coords here); Aug 16;
+ // May be put to global level or seperate method
+ ycorr = clXYZ[1] * (1. + phiSlope);
+ //printf(" y %f : ycorr %f : slope %f \n", clXYZ[1], ycorr, phiSlope);
+ clXYZ[1] = ycorr;
+ }
+ fLocPos.SetX(clXYZ[0]);
+ fLocPos.SetY(clXYZ[1]);
+ fLocPos.SetZ(clXYZ[2]);
+
+// if (gDebug==2)
+// printf("EvalLocalPosition: eta,phi,r = %f,%f,%f", fLocPos.X(), fLocPos.Y(), fLocPos.Z()) ;
+ fLocPosM = 0 ; // covariance matrix
+}
+
+//_____________________________________________________________________________
+Bool_t AliEMCALRecPoint::EvalLocalPosition2(TClonesArray * digits, TArrayD &ed)
+{
+ // Evaluated local position of rec.point using digits
+ // and parametrisation of w0 and deff
+ //printf(" <I> AliEMCALRecPoint::EvalLocalPosition2() \n");
+ return AliEMCALRecPoint::EvalLocalPositionFromDigits(digits, ed, fLocPos);
+}
+
+//_____________________________________________________________________________
+Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
+{
+ // Used when digits should be recalibrated
+ static Double_t deff, w0, esum;
+ static Int_t iDigit;
+ // static AliEMCALDigit *digit;
+
+ if(ed.GetSize() && (digits->GetEntries()!=ed.GetSize())) return kFALSE;
+
+ // Calculate sum energy of digits
+ esum = 0.0;
+ for(iDigit=0; iDigit<ed.GetSize(); iDigit++) esum += ed[iDigit];
+
+ GetDeffW0(esum, deff, w0);
- AliEMCALGeometry * emcalgeom = (AliEMCALGetter::Instance())->EMCALGeometry();
+ return EvalLocalPositionFromDigits(esum, deff, w0, digits, ed, locPos);
+}
+
+//_____________________________________________________________________________
+Bool_t AliEMCALRecPoint::EvalLocalPositionFromDigits(const Double_t esum, const Double_t deff, const Double_t w0, TClonesArray *digits, TArrayD &ed, TVector3 &locPos)
+{
+ static AliEMCALDigit *digit;
+
+ Int_t i=0, nstat=0, idMax=-1;
+ Double_t clXYZ[3]={0.,0.,0.}, xyzi[3], wtot=0., w=0.;
+
+ // Get pointer to EMCAL geometry
+ // (can't use fGeomPtr in static method)
+ AliEMCALGeometry* geo = AliEMCALGeometry::GetInstance();
+
+ for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) {
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit));
+
+ geo->RelPosCellInSModule(digit->GetId(), idMax, deff, xyzi[0], xyzi[1], xyzi[2]);
- emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
- fEMCALArm = relid[0];
+ if(w0 > 0.0) w = TMath::Max( 0., w0 + TMath::Log(ed[iDigit] / esum));
+ else w = ed[iDigit]; // just energy
+
+ if(w>0.0) {
+ wtot += w ;
+ nstat++;
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] += (w*xyzi[i]);
+ }
+ }
+ }
+ // cout << " wtot " << wtot << endl;
+ if (wtot > 0) {
+ for(i=0; i<3; i++ ) {
+ clXYZ[i] /= wtot;
+ }
+ locPos.SetX(clXYZ[0]);
+ locPos.SetY(clXYZ[1]);
+ locPos.SetZ(clXYZ[2]);
+ return kTRUE;
+ } else {
+ return kFALSE;
}
+
+}
+
+//_____________________________________________________________________________
+void AliEMCALRecPoint::GetDeffW0(const Double_t esum , Double_t &deff, Double_t &w0)
+{
+ //
+ // Aug 31, 2001
+ // Applied for simulation data with threshold 3 adc
+ // Calculate efective distance (deff) and weigh parameter (w0)
+ // for coordinate calculation; 0.5 GeV < esum <100 GeV.
+ // Look to: http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/CALIB/GEOMCORR/deffandW0VaEgamma_2.gif
+ //
+ static Double_t e=0.0;
+ const Double_t kdp0=9.25147, kdp1=1.16700; // Hard coded now
+ const Double_t kwp0=4.83713, kwp1=-2.77970e-01, kwp2 = 4.41116;
+
+ // No extrapolation here
+ e = esum<0.5?0.5:esum;
+ e = e>100.?100.:e;
+
+ deff = kdp0 + kdp1*TMath::Log(e);
+ w0 = kwp0 / (1. + TMath::Exp(kwp1*(e+kwp2)));
+ //printf("<I> AliEMCALRecPoint::GetDeffW0 esum %5.2f : deff %5.2f : w0 %5.2f \n", esum, deff, w0);
+}
+
+//______________________________________________________________________________
+void AliEMCALRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
+{
+ // This function calculates energy in the core,
+ // i.e. within a radius rad = fCoreEnergy around the center. Beyond this radius
+ // in accordance with shower profile the energy deposition
+ // should be less than 2%
+ // Unfinished - Nov 15,2006
+ // Distance is calculate in (phi,eta) units
+
+ AliEMCALDigit * digit ;
+
+ Int_t iDigit;
+
+ if (!fLocPos.Mag()) {
+ EvalLocalPosition(logWeight, digits);
+ }
+
+ Double_t phiPoint = fLocPos.Phi(), etaPoint = fLocPos.Eta();
+ Double_t eta, phi, distance;
+ for(iDigit=0; iDigit < fMulDigit; iDigit++) {
+ digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
+
+ eta = phi = 0.0;
+ fGeomPtr->EtaPhiFromIndex(digit->GetId(),eta, phi) ;
+ phi = phi * TMath::DegToRad();
+
+ distance = TMath::Sqrt((eta-etaPoint)*(eta-etaPoint)+(phi-phiPoint)*(phi-phiPoint));
+ if(distance < fCoreRadius)
+ fCoreEnergy += fEnergyList[iDigit] ;
+ }
+
+}
+//____________________________________________________________________________
+void AliEMCALRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
+{
+ // Calculates the axis of the shower ellipsoid in eta and phi
+ // in cell units
+
+ static TString gn(fGeomPtr->GetName());
+
+ Double_t wtot = 0.;
+ Double_t x = 0.;
+ Double_t z = 0.;
+ Double_t dxx = 0.;
+ Double_t dzz = 0.;
+ Double_t dxz = 0.;
+
+ AliEMCALDigit * digit = 0;
+
+ Double_t etai , phii, w;
+ int nSupMod=0, nModule=0, nIphi=0, nIeta=0;
+ int iphi=0, ieta=0;
+ for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
+ etai = phii = 0.;
+ if(gn.Contains("SHISH")) {
+ // Nov 15,2006 - use cell numbers as coordinates
+ // Copied for shish-kebab geometry, ieta,iphi is cast as double as eta,phi
+ // We can use the eta,phi(or coordinates) of cell
+ nSupMod = nModule = nIphi = nIeta = iphi = ieta = 0;
+
+ fGeomPtr->GetCellIndex(digit->GetId(), nSupMod,nModule,nIphi,nIeta);
+ fGeomPtr->GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi,ieta);
+ etai=(Double_t)ieta;
+ phii=(Double_t)iphi;
+ } else { //
+ fGeomPtr->EtaPhiFromIndex(digit->GetId(), etai, phii);
+ phii = phii * TMath::DegToRad();
+ }
+
+ w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ // fAmp summed amplitude of digits, i.e. energy of recpoint
+ // Gives smaller value of lambda than log weight
+ // w = fEnergyList[iDigit] / fAmp; // Nov 16, 2006 - try just energy
+
+ dxx += w * etai * etai ;
+ x += w * etai ;
+ dzz += w * phii * phii ;
+ z += w * phii ;
+
+ dxz += w * etai * phii ;
+
+ wtot += w ;
+ }
+
+ if ( wtot > 0 ) {
+ dxx /= wtot ;
+ x /= wtot ;
+ dxx -= x * x ;
+ dzz /= wtot ;
+ z /= wtot ;
+ dzz -= z * z ;
+ dxz /= wtot ;
+ dxz -= x * z ;
+
+ fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+ if(fLambda[0] > 0)
+ fLambda[0] = TMath::Sqrt(fLambda[0]) ;
+ else
+ fLambda[0] = 0;
+
+ fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+
+ if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
+ fLambda[1] = TMath::Sqrt(fLambda[1]) ;
+ else
+ fLambda[1]= 0. ;
+ } else {
+ fLambda[0]= 0. ;
+ fLambda[1]= 0. ;
+ }
+
+ // printf("Evalaxis: lambdas = %f,%f", fLambda[0],fLambda[1]) ;
+
}
//______________________________________________________________________________
void AliEMCALRecPoint::EvalPrimaries(TClonesArray * digits)
{
- // Constructs the list of primary particles (tracks) which have contributed to this RecPoint
+ // Constructs the list of primary particles (tracks) which
+ // have contributed to this RecPoint and calculate deposited energy
+ // for each track
AliEMCALDigit * digit ;
- Int_t * tempo = new Int_t[fMaxTrack] ;
+ Int_t * primArray = new Int_t[fMaxTrack] ;
+ Float_t * dEPrimArray = new Float_t[fMaxTrack] ;
Int_t index ;
for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
Int_t nprimaries = digit->GetNprimary() ;
- Int_t * newprimaryarray = new Int_t[nprimaries] ;
- Int_t ii ;
- for ( ii = 0 ; ii < nprimaries ; ii++)
- newprimaryarray[ii] = digit->GetPrimary(ii+1) ;
-
+ if ( nprimaries == 0 ) continue ;
Int_t jndex ;
for ( jndex = 0 ; jndex < nprimaries ; jndex++ ) { // all primaries in digit
if ( fMulTrack > fMaxTrack ) {
- fMulTrack = - 1 ;
- Error("GetNprimaries", "increase fMaxTrack ") ;
+ fMulTrack = fMaxTrack ;
+ Error("EvalPrimaries", "increase fMaxTrack ") ;
break ;
}
- Int_t newprimary = newprimaryarray[jndex] ;
+ Int_t newPrimary = digit->GetPrimary(jndex+1);
+ Float_t dEPrimary = digit->GetDEPrimary(jndex+1);
Int_t kndex ;
Bool_t already = kFALSE ;
for ( kndex = 0 ; kndex < fMulTrack ; kndex++ ) { //check if not already stored
- if ( newprimary == tempo[kndex] ){
+ if ( newPrimary == primArray[kndex] ){
already = kTRUE ;
+ dEPrimArray[kndex] += dEPrimary;
break ;
}
} // end of check
- if ( !already) { // store it
- tempo[fMulTrack] = newprimary ;
+ if ( !already && (fMulTrack < fMaxTrack)) { // store it
+ primArray[fMulTrack] = newPrimary ;
+ dEPrimArray[fMulTrack] = dEPrimary ;
fMulTrack++ ;
} // store it
} // all primaries in digit
- delete newprimaryarray ;
} // all digits
-
- fTracksList = new Int_t[fMulTrack] ;
- for(index = 0; index < fMulTrack; index++)
- fTracksList[index] = tempo[index] ;
+ Int_t *sortIdx = new Int_t[fMulTrack];
+ TMath::Sort(fMulTrack,dEPrimArray,sortIdx);
+ for(index = 0; index < fMulTrack; index++) {
+ fTracksList[index] = primArray[sortIdx[index]] ;
+ fDETracksList[index] = dEPrimArray[sortIdx[index]] ;
+ }
+ delete [] sortIdx;
+ delete [] primArray ;
+ delete [] dEPrimArray ;
+
+}
+
+//______________________________________________________________________________
+void AliEMCALRecPoint::EvalParents(TClonesArray * digits)
+{
+ // Constructs the list of parent particles (tracks) which have contributed to this RecPoint
+
+ AliEMCALDigit * digit ;
+ Int_t * parentArray = new Int_t[fMaxTrack] ;
+ Float_t * dEParentArray = new Float_t[fMaxTrack] ;
+
+ Int_t index ;
+ for ( index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits
+ if (fDigitsList[index] >= digits->GetEntries() || fDigitsList[index] < 0)
+ AliError(Form("Trying to get invalid digit %d (idx in WriteRecPoint %d)",fDigitsList[index],index));
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At( fDigitsList[index] )) ;
+ Int_t nparents = digit->GetNiparent() ;
+ if ( nparents == 0 ) continue ;
+
+ Int_t jndex ;
+ for ( jndex = 0 ; jndex < nparents ; jndex++ ) { // all primaries in digit
+ if ( fMulParent > fMaxParent ) {
+ fMulTrack = - 1 ;
+ Error("EvalParents", "increase fMaxParent") ;
+ break ;
+ }
+ Int_t newParent = digit->GetIparent(jndex+1) ;
+ Float_t newdEParent = digit->GetDEParent(jndex+1) ;
+ Int_t kndex ;
+ Bool_t already = kFALSE ;
+ for ( kndex = 0 ; kndex < fMulParent ; kndex++ ) { //check if not already stored
+ if ( newParent == parentArray[kndex] ){
+ dEParentArray[kndex] += newdEParent;
+ already = kTRUE ;
+ break ;
+ }
+ } // end of check
+ if ( !already && (fMulParent < fMaxParent)) { // store it
+ parentArray[fMulParent] = newParent ;
+ dEParentArray[fMulParent] = newdEParent ;
+ fMulParent++ ;
+ } // store it
+ } // all parents in digit
+ } // all digits
+
+ if (fMulParent>0) {
+ Int_t *sortIdx = new Int_t[fMulParent];
+ TMath::Sort(fMulParent,dEParentArray,sortIdx);
+ for(index = 0; index < fMulParent; index++) {
+ fParentsList[index] = parentArray[sortIdx[index]] ;
+ fDEParentsList[index] = dEParentArray[sortIdx[index]] ;
+ }
+ delete [] sortIdx;
+ }
- delete tempo ;
+ delete [] parentArray;
+ delete [] dEParentArray;
+}
+//____________________________________________________________________________
+void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
+{
+ // returns the position of the cluster in the local reference system
+ // of the sub-detector
+
+ lpos = fLocPos;
}
//____________________________________________________________________________
void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos) const
{
// returns the position of the cluster in the global reference system of ALICE
-
- AliEMCALGeometry * emcalgeom = AliEMCALGetter::Instance()->EMCALGeometry();
- gpos.SetX(fPhi) ;
- if ( IsInECA() )
- gpos.SetY(emcalgeom->GetIP2ECASection()) ;
- else
- Fatal("GetGlobalPosition", "Unexpected tower section") ;
- gpos.SetZ(fTheta) ;
+ // These are now the Cartesian X, Y and Z
+ // cout<<" geom "<<geom<<endl;
+ fGeomPtr->GetGlobal(fLocPos, gpos, fSuperModuleNumber);
+
}
//____________________________________________________________________________
-void AliEMCALRecPoint::GetLocalPosition(TVector3 & lpos) const
+void AliEMCALRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
{
// returns the position of the cluster in the global reference system of ALICE
+ // These are now the Cartesian X, Y and Z
+ // cout<<" geom "<<geom<<endl;
+
+ //To be implemented
+ fGeomPtr->GetGlobalEMCAL(this, gpos, gmat);
+
+}
+
+//_____________________________________________________________________________
+void AliEMCALRecPoint::EvalLocal2TrackingCSTransform()
+{
+ //Evaluates local to "tracking" c.s. transformation (B.P.).
+ //All evaluations should be completed before calling for this
+ //function.
+ //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
+ //or just ask Jouri Belikov. :)
+
+ SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kEMCAL,GetSuperModuleNumber()));
+
+ const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
+ if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found."));
+
+ Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
+ Double_t txyz[3] = {0,0,0};
+
+ tr2loc->MasterToLocal(lxyz,txyz);
+ SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
+
+ if(AliLog::GetGlobalDebugLevel()>0) {
+ TVector3 gpos; TMatrixF gmat;
+ GetGlobalPosition(gpos,gmat);
+ Float_t gxyz[3];
+ GetGlobalXYZ(gxyz);
+ AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-\
+->(%.3f,%.3f,%.3f), supermodule %d",
+ fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
+ GetX(),GetY(),GetZ(),
+ gpos.X(),gpos.Y(),gpos.Z(),
+ gxyz[0],gxyz[1],gxyz[2],GetSuperModuleNumber()));
+ }
+
+}
+
+//____________________________________________________________________________
+Float_t AliEMCALRecPoint::GetMaximalEnergy(void) const
+{
+ // Finds the maximum energy in the cluster
+
+ Float_t menergy = 0. ;
+
+ Int_t iDigit;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+
+ if(fEnergyList[iDigit] > menergy)
+ menergy = fEnergyList[iDigit] ;
+ }
+ return menergy ;
+}
+
+//____________________________________________________________________________
+Int_t AliEMCALRecPoint::GetMultiplicityAtLevel(Float_t H) const
+{
+ // Calculates the multiplicity of digits with energy larger than H*energy
+
+ Int_t multipl = 0 ;
+ Int_t iDigit ;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+
+ if(fEnergyList[iDigit] > H * fAmp)
+ multipl++ ;
+ }
+ return multipl ;
+}
+
+//____________________________________________________________________________
+Int_t AliEMCALRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
+ Float_t locMaxCut,TClonesArray * digits) const
+{
+ // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
+ // energy difference between two local maxima
+
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * digitN ;
+
+ Int_t iDigitN ;
+ Int_t iDigit ;
+
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++)
+ maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
+
+ for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
+ if(maxAt[iDigit]) {
+ digit = maxAt[iDigit] ;
+
+ for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
+ digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
+
+ if ( AreNeighbours(digit, digitN) ) {
+ if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
+ maxAt[iDigitN] = 0 ;
+ // but may be digit too is not local max ?
+ if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
+ maxAt[iDigit] = 0 ;
+ }
+ else {
+ maxAt[iDigit] = 0 ;
+ // but may be digitN too is not local max ?
+ if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
+ maxAt[iDigitN] = 0 ;
+ }
+ } // if Areneighbours
+ } // while digitN
+ } // slot not empty
+ } // while digit
+
+ iDigitN = 0 ;
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
+ if(maxAt[iDigit] ){
+ maxAt[iDigitN] = maxAt[iDigit] ;
+ maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
+ iDigitN++ ;
+ }
+ }
+ return iDigitN ;
+}
+
+//____________________________________________________________________________
+Int_t AliEMCALRecPoint::GetPrimaryIndex() const
+{
+ // Get the primary track index in TreeK which deposits the most energy
+ // in Digits which forms RecPoint.
+
+ if (fMulTrack)
+ return fTracksList[0];
+ return -12345;
+}
+
+//____________________________________________________________________________
+void AliEMCALRecPoint::EvalTime(TClonesArray * digits){
+ // time is set to the time of the digit with the maximum energy
+
+ Float_t maxE = 0;
+ Int_t maxAt = 0;
+ for(Int_t idig=0; idig < fMulDigit; idig++){
+ if(fEnergyList[idig] > maxE){
+ maxE = fEnergyList[idig] ;
+ maxAt = idig;
+ }
+ }
+ fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
- lpos.SetX(fLocPos.X()) ;
- lpos.SetY(fLocPos.Y()) ;
- lpos.SetZ(fLocPos.Z()) ;
}
//______________________________________________________________________________
gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
gPad->PaintPolyMarker(1,&x,&y,"") ;
}
+
+//_____________________________________________________________________
+Double_t AliEMCALRecPoint::TmaxInCm(const Double_t e , const Int_t key)
+{
+ // e energy in GeV)
+ // key = 0(gamma, default)
+ // != 0(electron)
+ static Double_t ca = 4.82; // shower max parameter - first guess; ca=TMath::Log(1000./8.07)
+ static Double_t x0 = 1.23; // radiation lenght (cm)
+ static Double_t tmax = 0.; // position of electromagnetic shower max in cm
+
+ tmax = 0.0;
+ if(e>0.1) {
+ tmax = TMath::Log(e) + ca;
+ if (key==0) tmax += 0.5;
+ else tmax -= 0.5;
+ tmax *= x0; // convert to cm
+ }
+ return tmax;
+}
+
+//______________________________________________________________________________
+Float_t AliEMCALRecPoint::EtaToTheta(Float_t arg) const
+{
+ //Converts Theta (Radians) to Eta(Radians)
+ return (2.*TMath::ATan(TMath::Exp(-arg)));
+}
+
+//______________________________________________________________________________
+Float_t AliEMCALRecPoint::ThetaToEta(Float_t arg) const
+{
+ //Converts Eta (Radians) to Theta(Radians)
+ return (-1 * TMath::Log(TMath::Tan(0.5 * arg)));
+}
+
+//____________________________________________________________________________
+void AliEMCALRecPoint::Print(Option_t *opt) const
+{
+ // Print the list of digits belonging to the cluster
+ if(strlen(opt)==0) return;
+ TString message ;
+ message = "AliEMCALRecPoint:\n" ;
+ message += " digits # = " ;
+ Info("Print", message.Data()) ;
+
+ Int_t iDigit;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++)
+ printf(" %d ", fDigitsList[iDigit] ) ;
+ printf("\n");
+
+ Info("Print", " Energies = ") ;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++)
+ printf(" %f ", fEnergyList[iDigit] ) ;
+ printf("\n");
+
+ Info("Print", "\n Abs Ids = ") ;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++)
+ printf(" %i ", fAbsIdList[iDigit] ) ;
+ printf("\n");
+
+ Info("Print", " Primaries ") ;
+ for(iDigit = 0;iDigit < fMulTrack; iDigit++)
+ printf(" %d ", fTracksList[iDigit]) ;
+
+ printf("\n Local x %6.2f y %7.2f z %7.1f \n", fLocPos[0], fLocPos[1], fLocPos[2]);
+
+ message = " ClusterType = %d" ;
+ message += " Multiplicity = %d" ;
+ message += " Cluster Energy = %f" ;
+ message += " Core energy = %f" ;
+ message += " Core radius = %f" ;
+ message += " Number of primaries %d" ;
+ message += " Stored at position %d" ;
+ Info("Print", message.Data(), fClusterType, fMulDigit, fAmp, fCoreEnergy, fCoreRadius, fMulTrack, GetIndexInList() ) ;
+}
+
+//___________________________________________________________
+Double_t AliEMCALRecPoint::GetPointEnergy() const
+{
+ //Returns energy ....
+ static double e;
+ e=0.0;
+ for(int ic=0; ic<GetMultiplicity(); ic++) e += double(fEnergyList[ic]);
+ return e;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff