X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSEmcRecPoint.cxx;h=a461d7ff9a2f5babddebece42931a80d1d39ee7d;hb=1b4a9c5a4ae7900c91775c2961d51d0ee13599d1;hp=fc4a1a8a071ae368c2c8b7b993653cff177cb840;hpb=7b7c15335990bc27772c67f9ee7bc90cc48bc9a3;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSEmcRecPoint.cxx b/PHOS/AliPHOSEmcRecPoint.cxx index fc4a1a8a071..a461d7ff9a2 100644 --- a/PHOS/AliPHOSEmcRecPoint.cxx +++ b/PHOS/AliPHOSEmcRecPoint.cxx @@ -15,51 +15,99 @@ /* $Id$ */ +/* History of cvs commits: + * + * $Log$ + * Revision 1.59 2007/10/18 15:12:22 kharlov + * Moved MakePrimary to EMCRecPoint to rpduce correct order of primaries + * + * Revision 1.58 2007/04/16 09:03:37 kharlov + * Incedent angle correction fixed + * + * Revision 1.57 2007/04/05 10:18:58 policheh + * Introduced distance to nearest bad crystal. + * + * Revision 1.56 2007/03/06 06:47:28 kharlov + * DP:Possibility to use actual vertex position added + * + * Revision 1.55 2007/01/19 20:31:19 kharlov + * Improved formatting for Print() + */ + //_________________________________________________________________________ // RecPoint implementation for PHOS-EMC // An EmcRecPoint is a cluster of digits -//*-- -//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH) +//-- +//-- Author: Dmitri Peressounko (RRC KI & SUBATECH) // --- ROOT system --- -#include "TPad.h" #include "TH2.h" #include "TMath.h" #include "TCanvas.h" +#include "TGraph.h" // --- Standard library --- -#include - // --- AliRoot header files --- - - #include "AliGenerator.h" +#include "AliLog.h" +#include "AliPHOSLoader.h" +#include "AliGenerator.h" #include "AliPHOSGeometry.h" +#include "AliPHOSDigit.h" #include "AliPHOSEmcRecPoint.h" -#include "AliRun.h" -#include "AliPHOSGetter.h" - +#include "AliPHOSReconstructor.h" + ClassImp(AliPHOSEmcRecPoint) //____________________________________________________________________________ -AliPHOSEmcRecPoint::AliPHOSEmcRecPoint() : AliPHOSRecPoint() +AliPHOSEmcRecPoint::AliPHOSEmcRecPoint() : + AliPHOSRecPoint(), + fCoreEnergy(0.), fDispersion(0.), + fEnergyList(0), fTime(-1.), fNExMax(0), + fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), + fPhixe(0.), fDistToBadCrystal(-1),fDebug(0) { // ctor + fMulDigit = 0 ; + fAmp = 0. ; + fLocPos.SetX(1000000.) ; //Local position should be evaluated +} +//____________________________________________________________________________ +AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const char * opt) : + AliPHOSRecPoint(opt), + fCoreEnergy(0.), fDispersion(0.), + fEnergyList(0), fTime(-1.), fNExMax(0), + fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.), + fPhixe(0.), fDistToBadCrystal(-1), fDebug(0) +{ + // ctor fMulDigit = 0 ; fAmp = 0. ; - fCoreEnergy = 0 ; - fEnergyList = 0 ; fLocPos.SetX(1000000.) ; //Local position should be evaluated - +} + +//____________________________________________________________________________ +AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) : + AliPHOSRecPoint(rp), + fCoreEnergy(rp.fCoreEnergy), fDispersion(rp.fDispersion), + fEnergyList(0), fTime(rp.fTime), fNExMax(rp.fNExMax), + fM2x(rp.fM2x), fM2z(rp.fM2z), fM3x(rp.fM3x), fM4z(rp.fM4z), + fPhixe(rp.fPhixe), fDistToBadCrystal(rp.fDistToBadCrystal), fDebug(rp.fDebug) +{ + // cpy ctor + fMulDigit = rp.fMulDigit ; + fAmp = rp.fAmp ; + if (rp.fMulDigit>0) fEnergyList = new Float_t[rp.fMulDigit] ; + for(Int_t index = 0 ; index < fMulDigit ; index++) + fEnergyList[index] = rp.fEnergyList[index] ; } //____________________________________________________________________________ AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint() { // dtor - if ( fEnergyList ) delete[] fEnergyList ; } @@ -75,8 +123,8 @@ void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) 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] ) ; + Int_t * tempo = new Int_t[fMaxDigit]; + Float_t * tempoE = new Float_t[fMaxDigit]; Int_t index ; for ( index = 0 ; index < fMulDigit ; index++ ){ @@ -85,10 +133,10 @@ void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy) } delete [] fDigitsList ; - fDigitsList = new ( Int_t[fMaxDigit] ) ; + fDigitsList = new Int_t[fMaxDigit]; delete [] fEnergyList ; - fEnergyList = new ( Float_t[fMaxDigit] ) ; + fEnergyList = new Float_t[fMaxDigit]; for ( index = 0 ; index < fMulDigit ; index++ ){ fDigitsList[index] = tempo[index] ; @@ -114,8 +162,7 @@ Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * d Bool_t aren = kFALSE ; - AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; - AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; Int_t relid1[4] ; phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; @@ -136,8 +183,8 @@ Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * d Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const { // Compares two RecPoints according to their position in the PHOS modules - - Float_t delta = 1 ; //Width of "Sorting row". If you changibg this + + const Float_t delta = 1 ; //Width of "Sorting row". If you changibg this //value (what is senseless) change as vell delta in //AliPHOSTrackSegmentMakerv* and other RecPoints... Int_t rv ; @@ -174,138 +221,176 @@ Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const return rv ; } - //______________________________________________________________________________ -void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const +void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) /*const*/ { -// Commented by Dmitri Peressounko: there is no possibility to ensure, -// that AliPHOSGetter keeps the correct information. - -// // Execute action corresponding to one event -// // This member function is called when a AliPHOSRecPoint is clicked with the locator -// // -// // If Left button is clicked on AliPHOSRecPoint, the digits are switched on -// // and switched off when the mouse button is released. -// // - -// // static Int_t pxold, pyold; + + // Execute action corresponding to one event + // This member function is called when a AliPHOSRecPoint is clicked with the locator + // + // If Left button is clicked on AliPHOSRecPoint, the digits are switched on + // and switched off when the mouse button is released. + + + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); + + static TGraph * digitgraph = 0 ; + + if (!gPad->IsEditable()) return; + + TH2F * histo = 0 ; + TCanvas * histocanvas ; -// AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; -// static TGraph * digitgraph = 0 ; + //try to get run loader from default event folder + AliRunLoader* rn = AliRunLoader::GetRunLoader(AliConfig::GetDefaultEventFolderName()); + if (rn == 0x0) + { + AliError(Form("Cannot find Run Loader in Default Event Folder")); + return; + } + AliPHOSLoader* phosLoader = dynamic_cast(rn->GetLoader("PHOSLoader")); + if (phosLoader == 0x0) + { + AliError(Form("Cannot find PHOS Loader from Run Loader")); + return; + } -// if (!gPad->IsEditable()) return; -// TH2F * histo = 0 ; -// TCanvas * histocanvas ; + const TClonesArray * digits = phosLoader->Digits() ; -// switch (event) { + switch (event) { -// case kButton1Down: { -// AliPHOSDigit * digit ; -// AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; -// AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); -// Int_t iDigit; -// Int_t relid[4] ; + case kButton1Down: { + AliPHOSDigit * digit ; + Int_t iDigit; + Int_t relid[4] ; -// const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ; -// Float_t * xi = new Float_t[kMulDigit] ; -// Float_t * zi = new Float_t[kMulDigit] ; + const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ; + Float_t * xi = new Float_t[kMulDigit] ; + Float_t * zi = new Float_t[kMulDigit] ; -// // create the histogram for the single cluster -// // 1. gets histogram boundaries -// Float_t ximax = -999. ; -// Float_t zimax = -999. ; -// Float_t ximin = 999. ; -// Float_t zimin = 999. ; + // create the histogram for the single cluster + // 1. gets histogram boundaries + Float_t ximax = -999. ; + Float_t zimax = -999. ; + Float_t ximin = 999. ; + Float_t zimin = 999. ; -// for(iDigit=0; iDigitDigit(fDigitsList[iDigit]) ) ; -// phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; -// phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); -// if ( xi[iDigit] > ximax ) -// ximax = xi[iDigit] ; -// if ( xi[iDigit] < ximin ) -// ximin = xi[iDigit] ; -// if ( zi[iDigit] > zimax ) -// zimax = zi[iDigit] ; -// if ( zi[iDigit] < zimin ) -// zimin = zi[iDigit] ; -// } -// ximax += phosgeom->GetCrystalSize(0) / 2. ; -// zimax += phosgeom->GetCrystalSize(2) / 2. ; -// ximin -= phosgeom->GetCrystalSize(0) / 2. ; -// zimin -= phosgeom->GetCrystalSize(2) / 2. ; -// Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; -// Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); + if ( xi[iDigit] > ximax ) + ximax = xi[iDigit] ; + if ( xi[iDigit] < ximin ) + ximin = xi[iDigit] ; + if ( zi[iDigit] > zimax ) + zimax = zi[iDigit] ; + if ( zi[iDigit] < zimin ) + zimin = zi[iDigit] ; + } + ximax += phosgeom->GetCrystalSize(0) / 2. ; + zimax += phosgeom->GetCrystalSize(2) / 2. ; + ximin -= phosgeom->GetCrystalSize(0) / 2. ; + zimin -= phosgeom->GetCrystalSize(2) / 2. ; + Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; + Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; -// // 2. gets the histogram title + // 2. gets the histogram title -// Text_t title[100] ; -// sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; + Text_t title[100] ; + sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; -// if (!histo) { -// delete histo ; -// histo = 0 ; -// } -// histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; + if (!histo) { + delete histo ; + histo = 0 ; + } + histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; -// Float_t x, z ; -// for(iDigit=0; iDigitDigit(fDigitsList[iDigit]) ) ; -// phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; -// phosgeom->RelPosInModule(relid, x, z); -// histo->Fill(x, z, fEnergyList[iDigit] ) ; -// } + Float_t x, z ; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, x, z); + histo->Fill(x, z, fEnergyList[iDigit] ) ; + } -// if (!digitgraph) { -// digitgraph = new TGraph(kMulDigit,xi,zi); -// digitgraph-> SetMarkerStyle(5) ; -// digitgraph-> SetMarkerSize(1.) ; -// digitgraph-> SetMarkerColor(1) ; -// digitgraph-> Paint("P") ; -// } + if (!digitgraph) { + digitgraph = new TGraph(kMulDigit,xi,zi); + digitgraph-> SetMarkerStyle(5) ; + digitgraph-> SetMarkerSize(1.) ; + digitgraph-> SetMarkerColor(1) ; + digitgraph-> Paint("P") ; + } -// Print() ; -// histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ; -// histocanvas->Draw() ; -// histo->Draw("lego1") ; + // Print() ; + histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ; + histocanvas->Draw() ; + histo->Draw("lego1") ; -// delete[] xi ; -// delete[] zi ; + delete[] xi ; + delete[] zi ; -// break; -// } + break; + } -// case kButton1Up: -// if (digitgraph) { -// delete digitgraph ; -// digitgraph = 0 ; -// } -// break; + case kButton1Up: + if (digitgraph) { + delete digitgraph ; + digitgraph = 0 ; + } + break; -// } + } } //____________________________________________________________________________ -void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits) +void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) { // Calculates the dispersion of the shower at the origine of the RecPoint + //DP: should we correct dispersion for non-perpendicular hit???????? + + Float_t d = 0. ; + Float_t wtot = 0. ; - Float_t d = 0 ; - Float_t wtot = 0 ; - - TVector3 locpos; - GetLocalPosition(locpos); - Float_t x = locpos.X() ; - Float_t z = locpos.Z() ; + Float_t x = 0.; + Float_t z = 0.; AliPHOSDigit * digit ; - AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; - AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); + + // Calculates the center of gravity in the local PHOS-module coordinates Int_t iDigit; + + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + Int_t relid[4] ; + Float_t xi ; + Float_t zi ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, xi, zi); + if (fAmp>0 && fEnergyList[iDigit]>0) { + Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; + x += xi * w ; + z += zi * w ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); + } + if (wtot>0) { + x /= wtot ; + z /= wtot ; + } + else + AliError(Form("Wrong weight %f\n", wtot)); + + +// Calculates the dispersion in coordinates + wtot = 0.; for(iDigit=0; iDigit < fMulDigit; iDigit++) { digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; Int_t relid[4] ; @@ -313,37 +398,72 @@ void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits Float_t zi ; phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; phosgeom->RelPosInModule(relid, xi, zi); - Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; - d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ; - wtot+=w ; + if (fAmp>0 && fEnergyList[iDigit]>0) { + Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; + d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ; + wtot+=w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); } + + if (wtot>0) { + d /= wtot ; + } + else + AliError(Form("Wrong weight %f\n", wtot)); - d /= wtot ; + fDispersion = 0; + if (d>=0) + fDispersion = TMath::Sqrt(d) ; - fDispersion = TMath::Sqrt(d) ; + } //______________________________________________________________________________ -void AliPHOSEmcRecPoint::EvalCoreEnergy(TClonesArray * digits) +void AliPHOSEmcRecPoint::EvalCoreEnergy(Float_t logWeight, Float_t coreRadius, TClonesArray * digits) { // This function calculates energy in the core, // i.e. within a radius rad = 3cm around the center. Beyond this radius // in accordance with shower profile the energy deposition // should be less than 2% +//DP: non-perpendicular incidence?????????????? - Float_t coreRadius = 3 ; - - TVector3 locpos; - GetLocalPosition(locpos); - Float_t x = locpos.X() ; - Float_t z = locpos.Z() ; + Float_t x = 0 ; + Float_t z = 0 ; AliPHOSDigit * digit ; - AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; - AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); - + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); + Int_t iDigit; + +// Calculates the center of gravity in the local PHOS-module coordinates + Float_t wtot = 0; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + Int_t relid[4] ; + Float_t xi ; + Float_t zi ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, xi, zi); + if (fAmp>0 && fEnergyList[iDigit]>0) { + Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; + x += xi * w ; + z += zi * w ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); + } + if (wtot>0) { + x /= wtot ; + z /= wtot ; + } + else + AliError(Form("Wrong weight %f\n", wtot)); + + for(iDigit=0; iDigit < fMulDigit; iDigit++) { digit = (AliPHOSDigit *) ( digits->At(fDigitsList[iDigit]) ) ; Int_t relid[4] ; @@ -356,10 +476,11 @@ void AliPHOSEmcRecPoint::EvalCoreEnergy(TClonesArray * digits) fCoreEnergy += fEnergyList[iDigit] ; } + } //____________________________________________________________________________ -void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) +void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) { // Calculates the axis of the shower ellipsoid @@ -372,11 +493,11 @@ void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) AliPHOSDigit * digit ; - AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; - AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance(); Int_t iDigit; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; Int_t relid[4] ; @@ -384,29 +505,33 @@ void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) Float_t zi ; phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; phosgeom->RelPosInModule(relid, xi, zi); - Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; - dxx += w * xi * xi ; - x += w * xi ; - dzz += w * zi * zi ; - z += w * zi ; - dxz += w * xi * zi ; - wtot += w ; + if (fAmp>0 && fEnergyList[iDigit]>0) { + Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; + dxx += w * xi * xi ; + x += w * xi ; + dzz += w * zi * zi ; + z += w * zi ; + dxz += w * xi * zi ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); } - dxx /= wtot ; - x /= wtot ; - dxx -= x * x ; - dzz /= wtot ; - z /= wtot ; - dzz -= z * z ; - dxz /= wtot ; - dxz -= x * z ; + if (wtot>0) { + dxx /= wtot ; + x /= wtot ; + dxx -= x * x ; + dzz /= wtot ; + z /= wtot ; + dzz -= z * z ; + dxz /= wtot ; + dxz -= x * z ; // //Apply correction due to non-perpendicular incidence // Double_t CosX ; // Double_t CosZ ; -// AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; -// AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); - // Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ; +// AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; +// Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ; // CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ; // CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ; @@ -416,30 +541,252 @@ void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits) // dxz = dxz/(CosX*CosZ) ; - 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]) ; + 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]) ; + + 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 { + AliError(Form("Wrong weight %f\n", wtot)); + fLambda[0]=fLambda[1]=0.; + } +} + +//____________________________________________________________________________ +void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits, TVector3 & /* vInc */) +{ + // Calculate the shower moments in the eigen reference system + // M2x, M2z, M3x, M4z + // Calculate the angle between the shower position vector and the eigen vector + + Double_t wtot = 0. ; + Double_t x = 0.; + Double_t z = 0.; + Double_t dxx = 0.; + Double_t dzz = 0.; + Double_t dxz = 0.; + Double_t lambda0=0, lambda1=0; + + AliPHOSDigit * digit ; + + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; + + Int_t iDigit; + + // 1) Find covariance matrix elements: + // || dxx dxz || + // || dxz dzz || + + Float_t xi ; + Float_t zi ; + Int_t relid[4] ; + Double_t w; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, xi, zi); + if (fAmp>0 && fEnergyList[iDigit]>0) { + w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; + x += w * xi ; + z += w * zi ; + dxx += w * xi * xi ; + dzz += w * zi * zi ; + dxz += w * xi * zi ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); + + } + if (wtot>0) { + x /= wtot ; + z /= wtot ; + dxx /= wtot ; + dzz /= wtot ; + dxz /= wtot ; + dxx -= x * x ; + dzz -= z * z ; + dxz -= x * z ; + + // 2) Find covariance matrix eigen values lambda0 and lambda1 + + lambda0 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; + lambda1 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ; + } + else { + AliError(Form("Wrong weight %f\n", wtot)); + lambda0=lambda1=0.; + } + + // 3) Find covariance matrix eigen vectors e0 and e1 - 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]) ; + TVector2 e0,e1; + if (dxz != 0) + e0.Set(1.,(lambda0-dxx)/dxz); + else + e0.Set(0.,1.); + + e0 = e0.Unit(); + e1.Set(-e0.Y(),e0.X()); + + // 4) Rotate cluster tensor from (x,z) to (e0,e1) system + // and calculate moments M3x and M4z + + Float_t cosPhi = e0.X(); + Float_t sinPhi = e0.Y(); + + Float_t xiPHOS ; + Float_t ziPHOS ; + Double_t dx3, dz3, dz4; + wtot = 0.; + x = 0.; + z = 0.; + dxx = 0.; + dzz = 0.; + dxz = 0.; + dx3 = 0.; + dz3 = 0.; + dz4 = 0.; + for(iDigit=0; iDigitAt(fDigitsList[iDigit]) ; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + phosgeom->RelPosInModule(relid, xiPHOS, ziPHOS); + xi = xiPHOS*cosPhi + ziPHOS*sinPhi; + zi = ziPHOS*cosPhi - xiPHOS*sinPhi; + if (fAmp>0 && fEnergyList[iDigit]>0) { + w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ; + x += w * xi ; + z += w * zi ; + dxx += w * xi * xi ; + dzz += w * zi * zi ; + dxz += w * xi * zi ; + dx3 += w * xi * xi * xi; + dz3 += w * zi * zi * zi ; + dz4 += w * zi * zi * zi * zi ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); + } + if (wtot>0) { + x /= wtot ; + z /= wtot ; + dxx /= wtot ; + dzz /= wtot ; + dxz /= wtot ; + dx3 /= wtot ; + dz3 /= wtot ; + dz4 /= wtot ; + dx3 += -3*dxx*x + 2*x*x*x; + dz4 += -4*dz3*z + 6*dzz*z*z -3*z*z*z*z; + dxx -= x * x ; + dzz -= z * z ; + dxz -= x * z ; + } else - fLambda[1]= 0. ; + AliError(Form("Wrong weight %f\n", wtot)); + + // 5) Find an angle between cluster center vector and eigen vector e0 + + Float_t phi = 0; + if ( (x*x+z*z) > 0 ) + phi = TMath::ACos ((x*e0.X() + z*e0.Y()) / sqrt(x*x + z*z)); + + fM2x = lambda0; + fM2z = lambda1; + fM3x = dx3; + fM4z = dz4; + fPhixe = phi; + } +//______________________________________________________________________________ +void AliPHOSEmcRecPoint::EvalPrimaries(TClonesArray * digits) +{ + // Constructs the list of primary particles (tracks) which have contributed to this RecPoint + + AliPHOSDigit * digit ; + Int_t * tempo = new Int_t[fMaxTrack] ; + + //First find digit with maximal energy deposition and copy its primaries + Float_t emax=0.; + Int_t imaxDigit=0; + for(Int_t id=0; id(digits->At( fDigitsList[imaxDigit] )) ; + Int_t nprimaries = digit->GetNprimary() ; + if ( nprimaries > fMaxTrack ) { + fMulTrack = - 1 ; + Error("EvalPrimaries", "GetNprimaries ERROR > increase fMaxTrack" ) ; + nprimaries = fMaxTrack; //skip the rest + } + for(fMulTrack=0; fMulTrackGetPrimary(fMulTrack+1) ; + } + //Now add other digits contributions + for (Int_t index = 0 ; index < GetDigitsMultiplicity() ; index++ ) { // all digits + if(index==imaxDigit) //already in + continue ; + digit = dynamic_cast(digits->At( fDigitsList[index] )) ; + nprimaries = digit->GetNprimary() ; + for(Int_t ipr=0; iprGetPrimary(ipr+1) ; + Bool_t notIn=1 ; + for(Int_t kndex = 0 ; (kndex < fMulTrack)&& notIn ; kndex++ ) { //check if not already stored + if(iprimary == tempo[kndex]){ + notIn = kFALSE ; + } + } + if(notIn){ + if(fMulTrack increase fMaxTrack!!!" ) ; + break ; + } + } + } + } // all digits + if(fMulTrack > 0){ + if(fTracksList)delete [] fTracksList; + fTracksList = new Int_t[fMulTrack] ; + } + for(Int_t index = 0; index < fMulTrack; index++) + fTracksList[index] = tempo[index] ; + + delete [] tempo ; + +} + +//____________________________________________________________________________ +void AliPHOSEmcRecPoint::EvalAll(TClonesArray * digits ) +{ +// EvalCoreEnergy(logWeight, digits); + EvalTime(digits) ; + EvalPrimaries(digits) ; + AliPHOSRecPoint::EvalAll(digits) ; +} //____________________________________________________________________________ -void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits ) +void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits ) { // Evaluates all shower parameters - - AliPHOSRecPoint::EvalAll(logWeight,digits) ; - EvalLocalPosition(logWeight, digits) ; - EvalElipsAxis(logWeight, digits) ; - EvalDispersion(logWeight, digits) ; - EvalCoreEnergy(digits); + TVector3 vInc ; + EvalLocalPosition(logWeight, vtx, digits,vInc) ; + EvalElipsAxis(logWeight, digits, vInc) ; //they are evaluated with momenta + EvalMoments(logWeight, digits, vInc) ; + EvalDispersion(logWeight, digits, vInc) ; } //____________________________________________________________________________ -void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits) +void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 &vtx, TClonesArray * digits, TVector3 &vInc) { // Calculates the center of gravity in the local PHOS-module coordinates Float_t wtot = 0. ; @@ -451,8 +798,7 @@ void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * dig AliPHOSDigit * digit ; - AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; - AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); + AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ; Int_t iDigit; @@ -463,46 +809,41 @@ void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * dig Float_t zi ; phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; phosgeom->RelPosInModule(relid, xi, zi); - Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; - x += xi * w ; - z += zi * w ; - wtot += w ; - + if (fAmp>0 && fEnergyList[iDigit]>0) { + Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; + x += xi * w ; + z += zi * w ; + wtot += w ; + } + else + AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); } - - x /= wtot ; - z /= wtot ; + if (wtot>0) { + x /= wtot ; + z /= wtot ; + } + else + AliError(Form("Wrong weight %f\n", wtot)); // Correction for the depth of the shower starting point (TDR p 127) Float_t para = 0.925 ; Float_t parb = 6.52 ; - Float_t xo,yo,zo ; //Coordinates of the origin - gAlice->Generator()->GetOrigin(xo,yo,zo) ; + phosgeom->GetIncidentVector(vtx,GetPHOSMod(),x,z,vInc) ; - Float_t phi = phosgeom->GetPHOSAngle(relid[0]) ; - - //Transform to the local ref.frame - Float_t xoL,yoL ; - xoL = xo*TMath::Cos(phi)-yo*TMath::Sin(phi) ; - yoL = xo*TMath::Sin(phi)+yo*TMath::Cos(phi) ; - - Float_t radius = TMath::Sqrt((xoL-x)*(xoL-x)+ - (phosgeom->GetIPtoCrystalSurface()-yoL)*(phosgeom->GetIPtoCrystalSurface()-yoL)+ - (zo-z)*(zo-z)); - - Float_t incidencephi = TMath::ATan((x-xoL ) / radius) ; - Float_t incidencetheta = TMath::ATan((z-zo) / radius) ; - - Float_t depthx = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencephi) ; - Float_t depthz = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencetheta) ; - + Float_t depthx = 0.; + Float_t depthz = 0.; + if (fAmp>0&&vInc.Y()!=0.) { + depthx = ( para * TMath::Log(fAmp) + parb ) * vInc.X()/TMath::Abs(vInc.Y()) ; + depthz = ( para * TMath::Log(fAmp) + parb ) * vInc.Z()/TMath::Abs(vInc.Y()) ; + } + else + AliError(Form("Wrong amplitude %f\n", fAmp)); fLocPos.SetX(x - depthx) ; fLocPos.SetY(0.) ; fLocPos.SetZ(z - depthz) ; - fLocPosM = 0 ; } //____________________________________________________________________________ @@ -523,7 +864,7 @@ Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void) const } //____________________________________________________________________________ -Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(const Float_t H) const +Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(Float_t H) const { // Calculates the multiplicity of digits with energy larger than H*energy @@ -538,7 +879,7 @@ Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(const Float_t H) const } //____________________________________________________________________________ -Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy, +Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax( AliPHOSDigit ** maxAt, Float_t * maxAtEnergy, Float_t locMaxCut,TClonesArray * digits) const { // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum @@ -552,28 +893,31 @@ Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEn Int_t iDigit ; for(iDigit = 0; iDigit < fMulDigit; iDigit++) - maxAt[iDigit] = (Int_t) digits->At(fDigitsList[iDigit]) ; + maxAt[iDigit] = (AliPHOSDigit*) digits->At(fDigitsList[iDigit]) ; for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) { - if(maxAt[iDigit] != -1) { - digit = (AliPHOSDigit *) maxAt[iDigit] ; + if(maxAt[iDigit]) { + digit = maxAt[iDigit] ; for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) { + if(iDigit == iDigitN) + continue ; + digitN = (AliPHOSDigit *) digits->At(fDigitsList[iDigitN]) ; if ( AreNeighbours(digit, digitN) ) { if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) { - maxAt[iDigitN] = -1 ; + maxAt[iDigitN] = 0 ; // but may be digit too is not local max ? if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut) - maxAt[iDigit] = -1 ; + maxAt[iDigit] = 0 ; } else { - maxAt[iDigit] = -1 ; + maxAt[iDigit] = 0 ; // but may be digitN too is not local max ? if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut) - maxAt[iDigitN] = -1 ; + maxAt[iDigitN] = 0 ; } } // if Areneighbours } // while digitN @@ -582,7 +926,7 @@ Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEn iDigitN = 0 ; for(iDigit = 0; iDigit < fMulDigit; iDigit++) { - if(maxAt[iDigit] != -1){ + if(maxAt[iDigit]){ maxAt[iDigitN] = maxAt[iDigit] ; maxAtEnergy[iDigitN] = fEnergyList[iDigit] ; iDigitN++ ; @@ -590,36 +934,83 @@ Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEn } return iDigitN ; } +//____________________________________________________________________________ +void AliPHOSEmcRecPoint::EvalTime(TClonesArray * digits) +{ + // Define a rec.point time as a time in the cell 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 = ((AliPHOSDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ; + +} +//____________________________________________________________________________ +void AliPHOSEmcRecPoint::Purify(Float_t threshold){ + //Removes digits below threshold + + Int_t * tempo = new Int_t[fMaxDigit]; + Float_t * tempoE = new Float_t[fMaxDigit]; + + Int_t mult = 0 ; + for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ + if(fEnergyList[iDigit] > threshold){ + tempo[mult] = fDigitsList[iDigit] ; + tempoE[mult] = fEnergyList[iDigit] ; + mult++ ; + } + } + + fMulDigit = mult ; + delete [] fDigitsList ; + delete [] fEnergyList ; + fDigitsList = new Int_t[fMulDigit]; + fEnergyList = new Float_t[fMulDigit]; + + fAmp = 0.; //Recalculate total energy + for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){ + fDigitsList[iDigit] = tempo[iDigit]; + fEnergyList[iDigit] = tempoE[iDigit] ; + fAmp+=tempoE[iDigit]; + } + + delete [] tempo ; + delete [] tempoE ; - - +} //____________________________________________________________________________ -void AliPHOSEmcRecPoint::Print(Option_t * option) +void AliPHOSEmcRecPoint::Print(Option_t *) const { // Print the list of digits belonging to the cluster - cout << "AliPHOSEmcRecPoint: " << endl ; + TString message ; + message = "AliPHOSEmcRecPoint:\n" ; + message += "Digit multiplicity = %d" ; + message += ", cluster Energy = %f" ; + message += ", number of primaries = %d" ; + message += ", rec.point index = %d \n" ; + printf(message.Data(), fMulDigit, fAmp, fMulTrack,GetIndexInList() ) ; Int_t iDigit; - cout << " digits # = " ; + printf(" digits ids = ") ; for(iDigit=0; iDigit