1 /**************************************************************************
2 * Copyright(c) 1998-2002, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 //_________________________________________________________________________
19 // This is a set of histogram
20 // utilities for the EMCAL
21 // to make some common
24 //*-- Authors: J.L. Klay (LLNL) & Aleksei Pavlinov (WSU)
26 #include "AliEMCALHistoUtilities.h"
39 #include <TGraphErrors.h>
43 #include <TObjArray.h>
44 #include <TObjString.h>
47 #include <TLorentzVector.h>
48 #include <Gtypes.h> // color, line style and so on
51 #include "AliESDCaloCluster.h"
52 #include "AliEMCALRecPoint.h"
53 #include "AliRunLoader.h"
54 #include "AliHeader.h"
55 #include "AliGenEventHeader.h"
56 #include "AliGenPythiaEventHeader.h"
60 ClassImp(AliEMCALHistoUtilities)
62 AliEMCALHistoUtilities::AliEMCALHistoUtilities(const char *name, const char *tit) : TNamed(name,tit)
67 AliEMCALHistoUtilities::~AliEMCALHistoUtilities()
72 TList* AliEMCALHistoUtilities::MoveHistsToList(const char* name, Bool_t putToBrowser)
76 TIter nextHist(gDirectory->GetList());
77 TList *list = new TList;
80 while((objHist=nextHist())){
81 if (!objHist->InheritsFrom("TH1")) continue;
82 ((TH1*)objHist)->SetDirectory(0); // Remove from gROOT
84 gDirectory->GetList()->Remove(objHist);
86 if(putToBrowser) gROOT->GetListOfBrowsables()->Add((TObject*)list);
90 void AliEMCALHistoUtilities::FillH1(TList *l, Int_t ind, Double_t x, Double_t w)
95 if(ind>=0 && ind < l->GetSize()){
96 hid = (TH1*)l->At(ind);
101 void AliEMCALHistoUtilities::FillH2(TList *l, Int_t ind, Double_t x, Double_t y, Double_t w)
106 if(ind>=0 && ind < l->GetSize()){
107 hid = (TH2*)l->At(ind);
112 int AliEMCALHistoUtilities::SaveListOfHists(TList *mylist,const char* name,Bool_t kSingleKey,const char* opt)
114 //write histograms to file
115 printf(" Name of out file |%s|\n", name);
117 if(mylist && mylist->GetSize() && strlen(name)){
119 if(nf.Contains(".root") == kFALSE) nf += ".root";
120 TFile file(nf.Data(),opt);
121 TIter nextHist(mylist);
126 mylist->Write(mylist->GetName(),TObject::kSingleKey);
130 while((objHist=nextHist())) { // loop over list
131 if(objHist->InheritsFrom("TH1")) {
132 TH1* hid = (TH1*)objHist;
136 printf("Save hist. %s \n",hid ->GetName());
139 printf("%i hists. save to file -> %s\n", nh,file.GetName());
144 printf("AliEMCALHistoUtilities::SaveListOfHists : N O S A V I N G \n");
149 void AliEMCALHistoUtilities::AddToNameAndTitle(TH1 *h, const char *name, const char *title)
153 if(name && strlen(name)) h->SetName(Form("%s%s",h->GetName(),name));
154 if(title && strlen(title)) h->SetTitle(Form("%s%s",h->GetTitle(),title));
157 void AliEMCALHistoUtilities::AddToNameAndTitleToList(TList *l, const char *name, const char *title)
162 for(int i=0; i<l->GetSize(); i++) {
163 TObject *o = l->At(i);
164 if(o->InheritsFrom("TH1")) {
166 AddToNameAndTitle(h, name, title);
172 void AliEMCALHistoUtilities::ResetListOfHists(TList *l)
176 for(int i=0; i<l->GetSize(); i++) {
177 TH1F* h = (TH1F*)l->At(i);
182 TLatex *AliEMCALHistoUtilities::Lat(const char *text, Float_t x,Float_t y, Int_t align, Float_t tsize, short tcolor)
186 TLatex *latex = new TLatex;
187 latex->SetTextAlign(align);
188 latex->SetTextSize(tsize);
189 latex->SetTextColor(tcolor);
190 latex->DrawLatex(x, y1, text);
191 printf("<I> AliEMCALHistoUtilities::lat() -> %s gPad->GetLogy() %i\n",
192 text, gPad->GetLogy());
196 TGraph *AliEMCALHistoUtilities::DrawGraph(Int_t n, Double_t *x, Double_t *y, Int_t markerColor,
197 Int_t markerStyle, const char* opt, const char* tit, const char* xTit,const char* yTit, Int_t ifun,
198 const char *optFit, const char *fun)
201 chopt='L' : A simple polyline between every points is drawn
202 chopt='F' : A fill area is drawn ('CF' draw a smooth fill area)
203 chopt='A' : Axis are drawn around the graph
204 chopt='C' : A smooth Curve is drawn
205 chopt='*' : A Star is plotted at each point
206 chopt='P' : Idem with the current marker
207 chopt='B' : A Bar chart is drawn at each point
208 chopt='1' : ylow=rwymin
209 chopt='X+' : The X-axis is drawn on the top side of the plot.
210 chopt='Y+' : The Y-axis is drawn on the right side of the plot.
213 The list of fit options is given in parameter option.
214 option = "W" Set all errors to 1
215 = "U" Use a User specified fitting algorithm (via SetFCN)
216 = "Q" Quiet mode (minimum printing)
217 = "V" Verbose mode (default is between Q and V)
218 = "B" Use this option when you want to fix one or more parameters
219 and the fitting function is like "gaus","expo","poln","landau".
220 = "R" Use the Range specified in the function range
221 = "N" Do not store the graphics function, do not draw
222 = "0" Do not plot the result of the fit. By default the fitted function
223 is drawn unless the option"N" above is specified.
224 = "+" Add this new fitted function to the list of fitted functions
225 (by default, any previous function is deleted)
226 = "C" In case of linear fitting, not calculate the chisquare
228 = "F" If fitting a polN, switch to minuit fitter
229 = "ROB" In case of linear fitting, compute the LTS regression
230 coefficients (robust(resistant) regression), using
231 the default fraction of good points
232 "ROB=0.x" - compute the LTS regression coefficients, using
233 0.x as a fraction of good points
236 printf("AliEMCALHistoUtilities::drawGraph started \n");
237 printf("Drawing opt |%s| : Fitting opt |%s|\n", opt, optFit);
239 TGraph *gr = new TGraph(n, x, y);
240 gr->SetMarkerColor(markerColor);
241 gr->SetLineColor(markerColor);
242 gr->SetMarkerStyle(markerStyle);
247 if(ctmp.Contains("A")) {
248 gr->GetHistogram()->SetXTitle(xTit);
249 gr->GetHistogram()->SetYTitle(yTit);
253 TString sf("pol"); sf += ifun;
254 gr->Fit(sf.Data(),optFit);
255 printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data());
256 } else if(!ctmp.Contains("no",TString::kIgnoreCase)){
257 printf("\n ** ifun %i : %s **\n", ifun, fun);
258 gr->Fit(fun, optFit);
264 TGraphErrors *AliEMCALHistoUtilities::DrawGraphErrors(const Int_t n,Double_t *x,Double_t *y,Double_t *ex,
265 Double_t *ey, Int_t markerColor, Int_t markerStyle, const char* opt, const char* tit,
266 const char* xTit,char* yTit, Int_t ifun, const char *optFit, const char *fun)
269 printf("AliEMCALHistoUtilities::drawGraphErrors started \n");
270 printf("Drawing opt |%s| : ifun %i: Fitting opt |%s|, fun |%s|\n",
271 opt, ifun, optFit, fun);
273 TGraphErrors *gr = new TGraphErrors(n, x,y,ex,ey);
274 gr->SetMarkerColor(markerColor);
275 gr->SetLineColor(markerColor);
276 gr->SetMarkerStyle(markerStyle);
277 if(tit&&strlen(tit)>0) gr->SetTitle(tit);
280 if(ctmp.Contains("A")) {
281 gr->GetHistogram()->SetXTitle(xTit);
282 gr->GetHistogram()->SetYTitle(yTit);
286 TString sf("pol"); sf += ifun;
287 gr->Fit(sf.Data(),optFit);
288 printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data());
290 gr->Fit(fun, optFit);
291 printf("\n ** Fit by %s **\n", fun);
295 printf("\n ** ifun %i : %s **\n", ifun, fun);
296 gr->Fit(fun, optFit);
305 TF1* AliEMCALHistoUtilities::GetResolutionFunction(const char *opt, TString &latexName)
311 if (sopt.Contains("FRES1")) {
312 fres = new TF1("fres","[0]+[1]/sqrt(x)", 0.0, 101.);
313 latexName = "#frac{#sigma_{E}}{E} = A+#frac{B}{#sqrt{E}}";
314 } else if(sopt.Contains("FRES2")) {
315 fres = new TF1("fres","sqrt([0]*[0]+[1]*[1]/x)", 0.0, 101.);
316 latexName = "#sqrt{A^{2}+#frac{B^{2}}{E}}";
319 fres->SetParName(0,"A");
320 fres->SetParName(1,"B");
322 fres->SetParameter(0, 2.0);
323 fres->SetParameter(1, 6.6);
324 fres->SetLineWidth(2);
325 fres->SetLineColor(kRed);
330 void AliEMCALHistoUtilities::InitChain(TChain *chain, const char* nameListOfFiles, Int_t nFileMax)
332 // Read name of files from text file with nameListOfFiles and added to the chain
333 if(chain==0 || nameListOfFiles==0) return;
336 fin.open(nameListOfFiles);
337 if (!fin.is_open()) {
338 cout << "Input file "<<nameListOfFiles<<" cannot be opened.\n";
342 Int_t nfiles = 0; // number of files in chain
343 char nf[200]; // name of current file
344 while (!fin.getline(nf,200).eof()) {
345 if(!fin.good()) break;
348 cout<<nfiles<<" "<<nf<<endl;
349 if(nFileMax && nfiles>=nFileMax) break;
353 cout << " \n ********** <I> Accepted file "<< nfiles << "********* \n"<<endl;
354 // chainEsd->Print();
358 AliRunLoader* AliEMCALHistoUtilities::InitKinematics(const Int_t nev, const char* galiceName)
361 // nev == 0 - new file
362 static AliRunLoader *rl = 0;
364 if((rl == 0 || nev==0) && galiceName) {
365 printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (IN)\n",
366 nev, rl, galiceName);
371 rl = AliRunLoader::Open(galiceName,AliConfig::GetDefaultEventFolderName(),"read");
372 rl->LoadgAlice(); // obligatory
373 printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (OUT)\n",
374 nev, rl, galiceName);
378 rl->LoadKinematics();
379 /* Get what you need after that
381 AliStack *stack=rl->Stack();
382 AliESDCaloCluster * clus = esd->GetCaloCluster(n);
383 Int_t label = clus->GetLabel(); // what is this
384 TParticle *primary=stack->Particle(label);
390 AliRunLoader* AliEMCALHistoUtilities::GetRunLoader(const Int_t nev, const Char_t* galiceName,
391 const Char_t* eventFolderName, AliRunLoader* rlOld)
394 // nev == 0 - new file
395 AliRunLoader *rl = 0;
397 if(nev==0 && galiceName) {
398 printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s (IN)\n",
401 rlOld->UnloadgAlice();
404 TString folderName(eventFolderName);
405 if(folderName.Length() == 0) folderName = AliConfig::GetDefaultEventFolderName();
406 rl = AliRunLoader::Open(galiceName, folderName.Data(),"read");
407 rl->LoadgAlice(); // obligatory
408 printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s : %s (OUT)\n",
409 nev, galiceName, folderName.Data());
413 if(rl) rl->LoadgAlice(); // obligatory
414 // if(rl) rl->GetEvent(nev);
418 Double_t AliEMCALHistoUtilities::GetMomentum(const char* nameListOfFiles)
420 // Get momentum value from string - like /....100GEV/..
421 Double_t p=-1; // negative if undefined
422 TString st(nameListOfFiles);
425 Ssiz_t ind1 = st.Index("GEV"), ind2=0;
427 for(Int_t i=2; i<=10; i++) {
428 ind2 = st.Index("/",ind1-i);
429 if(ind2>0 && ind2<ind1) break;
431 TString mom = st(ind2+1, ind1-ind2-1);
432 if(mom.IsFloat()) p = mom.Atof();
433 printf(" dir |%s| : mom |%s| : p %f : ind2,1 %i->%i\n", st.Data(), mom.Data(), p, ind2, ind1);
439 int AliEMCALHistoUtilities::ParseString(const TString &topt, TObjArray &Opt)
441 // Moved from AliEMCALGeometry
443 Ssiz_t begin, index, end, end2;
444 begin = index = end = end2 = 0;
445 TRegexp separator("[^ ;,\\t\\s/]+");
446 while ( (begin < topt.Length()) && (index != kNPOS) ) {
447 // loop over given options
448 index = topt.Index(separator,&end,begin);
449 if (index >= 0 && end >= 1) {
450 TString substring(topt(index,end));
451 Opt.Add(new TObjString(substring.Data()));
455 return Opt.GetEntries();
459 Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromESDCluster(TLorentzVector &v, const AliESDCaloCluster* cl)
462 static Double_t e=0.0;
463 static Float_t pos[3];
464 static TVector3 gpos;
465 if(cl==0) return kFALSE;
467 e = Double_t(cl->E());
469 printf(" negative cluster energy : %f \n", e);
472 cl->GetPosition(pos);
473 gpos.SetXYZ(Double_t(pos[0]), Double_t(pos[1]), Double_t(pos[2]));
475 v.SetVectM(gpos, 0.0);
480 Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromRecPoint(TLorentzVector &v, const AliEMCALRecPoint *rp)
483 static Double_t e=0.0;
484 static TVector3 gpos;
485 if(rp==0) return kFALSE;
487 e = Double_t(rp->GetPointEnergy());
489 printf(" negative rec.point energy : %f \n", e);
492 rp->GetGlobalPosition(gpos);
494 v.SetVectM(gpos, 0.0);
501 void AliEMCALHistoUtilities::DrawHist(TH1* hid,int lineWidth,int lineColor,const char* opt, int lineStyle)
507 printf(" Hist. %s : option |%s| \n", hid->GetName(), opt);
508 if(hid && hid->GetEntries()>=1.) {
509 if(lineWidth) hid->SetLineWidth(lineWidth);
510 if(lineColor) hid->SetLineColor(lineColor);
511 if(lineStyle) hid->SetLineStyle(lineStyle);
512 if(sopt.Contains("stat",TString::kIgnoreCase)) hid->SetStats(kTRUE);
515 if (strcmp(opt,"empty")==0) hid->Draw();
516 else printf(" has fewer entries %i or hid is zero\n", (int) hid->GetEntries());
523 TF1* AliEMCALHistoUtilities::Gausi(const char *addName,double xmi,double xma,double N,double mean,double sig,double width)
525 // Fit by gaus where first parameter is the number of events under ga
529 TF1 *f = new TF1(name.Data(), Gi, xmi, xma, 4);
530 f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH");
532 f->SetParameter(0,N);
533 f->SetParameter(1,mean);
534 f->SetParameter(2,sig);
536 f->FixParameter(3,width); // width of histogramm bin
540 TF1* AliEMCALHistoUtilities::Gausi(const char *addName, double xmi, double xma, TH1 *h)
542 // You can change parameters after that if you don't like this assumption
543 if(h) return Gausi(addName, xmi, xma, h->Integral(), h->GetMean(),h->GetRMS(), h->GetBinWidth(1));
547 TF1* AliEMCALHistoUtilities::GausiPol2(const char *addName,double xmi,double xma, TF1 *g, TF1* bg)
549 // Fit by gaus where first parameter is the number of events under ga
550 TString name("giPol2");
552 TF1 *f = new TF1(name.Data(), GiPol2, xmi, xma, 7);
553 f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH","a0","a1","a2");
556 for(int i=0; i<4; i++) f->SetParameter(i, g->GetParameter(i));
557 f->FixParameter(3,g->GetParameter(3));
561 for(int i=4; i<7; i++) f->SetParameter(i, bg->GetParameter(i+4));
563 f->SetLineColor(kRed);
567 Double_t AliEMCALHistoUtilities::Gi(Double_t *x, Double_t *par)
569 // First parameter is integral (number events under gaus)
570 // Forth parameter (par[3]) is width of histogram bin
571 // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2)
573 static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi)
575 y = (x[0]-par[1])/par[2];
576 f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y);
581 Double_t AliEMCALHistoUtilities::GiPol2(Double_t *x, Double_t *par)
583 // First parameter is integral (number events under gaus)
584 // Forth parameter (par[3]) is width of histogram bin
585 // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2)
586 // + pol2 -> 7 parameters
587 static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi)
589 y = (x[0]-par[1])/par[2];
590 f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y);
592 f += par[4] + par[5]*x[0] + par[6]*x[0]*x[0];
598 Double_t AliEMCALHistoUtilities::GetCorrectionCoefficientForGamma1(const Double_t eRec)
600 // Correction to rec.energy - Jul 15, 2007
601 // E(gamma) = corr * E(eRec);
602 /* corr = p0*(eRec-7.5)+p1*(eRec-7.5)*(eRec-7.5)+p2; 0.0<eRec<10.0
603 1 p0 6.07157e-05 1.15179e-04 -0.00000e+00 1.20997e-03
604 2 p1 1.50019e-04 3.13566e-05 -0.00000e+00 1.22531e-02
605 3 p2 9.99019e-01 4.08251e-04 -0.00000e+00 1.40606e-03
607 corr = p3 + p4*eRec + p5*eRec*eRec
608 1 p3 9.97135e-01 5.31970e-04 1.37962e-09 1.68120e-08
609 2 p4 3.15740e-04 2.53371e-05 1.11475e-11 1.74192e-04
610 3 p5 -1.35383e-06 2.19495e-07 -5.82864e-13 4.52277e-02
612 static Double_t p0=6.07157e-05, p1=1.50019e-04, p2=9.99019e-01;
613 static Double_t p3=9.97135e-01, p4=3.15740e-04, p5=-1.35383e-06;
614 static Double_t corr=1.0;
615 if(eRec>=0.0 && eRec <=10.0) {
616 corr = p0*(eRec-7.5) + p1*(eRec-7.5)*(eRec-7.5) + p2;
617 } else if(eRec>10.0 && eRec <=105.0) {
618 corr = p3 + p4*eRec + p5*eRec*eRec;
620 //printf(" eRec %f | corr %f \n", eRec, corr);
624 Double_t AliEMCALHistoUtilities::GetCorrectedEnergyForGamma1(const Double_t eRec)
626 return GetCorrectionCoefficientForGamma1(eRec) * eRec;
630 TList* AliEMCALHistoUtilities::GetTriggersListOfHists(const Int_t scale, const Int_t nTrig, const Bool_t toBrowser)
632 // Oct 22, 2007 - trigger technical assurance
634 TH1::AddDirectory(1);
636 new TH1F("00_hXpos2x2", "X coord. of max Amp 2x2",100, -500., +500.);
637 new TH1F("01_hYpos2x2", "Y coord. of max Amp 2x2",100, -500., +500.);
638 new TH1F("02_hZpos2x2", "Z coord. of max Amp 2x2",100, -500., +500.);
639 new TH1F("03_hXposnxn", "X coord. of max Amp NXN",100, -500., +500.);
640 new TH1F("04_hYposnxn", "Y coord. of max Amp NXN",100, -500., +500.);
641 new TH1F("05_hZposnxn", "Z coord. of max Amp NXN",100, -500., +500.);
642 // May 7, 2008 - jet trigger
643 new TH1F("06_hJetTriggerPhi", "%phi of COG of jet trigger patch", 110, 80., 190.);
644 new TH1F("07_hJetTriggerEta", "%eta of COG of jet trigger patch", 70, -0.7, +0.7);
646 new TH1F("08_hMaxAmp2x2", "max Amp 2x2", 1000, 0.0, pow(2.,14.));
647 new TH1F("09_hAmpOutOf2x2", "Amp out of patch 2x2", 1000, 0.0, pow(2.,14.));
648 new TH1F("10_hMaxAmpnxn", "max Amp NXN", 1000, 0.0, pow(2.,14.));
649 new TH1F("11_hAmpOutOfnxn", "Amp out of patch nxn", 1000, 0.0, pow(2.,14.));
650 // May 7, 2008 - jet trigger
651 for(Int_t i=0; i<nTrig; i++) {
652 new TH1F(Form("%2.2i_hJetPatchAmp%2.2i",i+12,i), Form("jet patch amplitude : jet trig %i",i),
653 1000, 0.0, pow(2.,14.));
656 Double_t maxEdigit=100., maxN=1000., maxPC = 200.;
661 Int_t ind = 12+nTrig;
662 new TH1F(Form("%2.2i_hDigitsAmp",ind++), "amplitude of digits (PC) ", 1001, -0.5, 1000.5);
663 new TH1F(Form("%2.2i_hDigitsE",ind++), " energy of digits (PC)", 1000, 0.0, maxEdigit);
664 new TH1F(Form("%2.2i_hNDigitsInPCs",ind++), " number of digits in PC's", 1000, 0.0, maxN);
665 new TH1F(Form("%2.2i_hEinInPCs",ind++), " energy in PC's", 200, 0.0, maxPC);
667 return MoveHistsToList("TriggerLiOfHists", toBrowser);
670 void AliEMCALHistoUtilities::FillTriggersListOfHists(TList *l, TArrayF *triggerPosition, TArrayF *triggerAmplitudes)
672 // Oct 22, 2007 - trigger technical assurance
674 printf("<E> FillTriggersListOfHists() : list of hists undefined. \n");
677 for(int i=0; i<triggerPosition->GetSize(); i++) {
678 FillH1(l, i, double(triggerPosition->At(i)));
681 for(int i=0; i<triggerAmplitudes->GetSize(); i++) {
682 FillH1(l, triggerPosition->GetSize() + i, double(triggerAmplitudes->At(i)) );
687 TList* AliEMCALHistoUtilities::GetJetsListOfHists(Int_t njet, Bool_t toBrowser)
691 TH1::AddDirectory(1);
692 new TH1F("00_nJet", "number of jets in Pythia",5, -0.5, +4.5);
694 for(Int_t ij=0; ij<njet; ij++)
696 new TH1F(Form("%2.2i_EtaOfJet%i",ic++,ij), Form("#eta of jet (%i)",ij),80, -2., 2.);
697 new TH1F(Form("%2.2i_ThetaOfJet%i",ic++,ij), Form("#theta(degree) of jet (%i)",ij),
699 new TH1F(Form("%2.2i_PhiOfJet%i",ic++,ij), Form("#phi(degree) of jet (%i)",ij),
701 new TH1F(Form("%2.2i_PtOfJet%i",ic++,ij), Form(" p_{T} of jet (%i)",ij),
703 new TH1F(Form("%2.2i_EOfJet%i",ic++,ij), Form(" E of jet (%i)",ij),
707 return MoveHistsToList("JetLiOfHists", toBrowser);
710 void AliEMCALHistoUtilities::FillJetKineListOfHists(TList *l, AliRunLoader* rl, TLorentzVector &goodJet)
712 // Oct 30, 2007; Nov 07;
713 // goodJet - output; only one jet with EMCAL acceptance
716 goodJet.SetPxPyPzE(0., 0., 0., 0.);
718 if(l==0 || rl==0) return;
719 //try to get trigger jet info
720 AliHeader* alih = rl->GetHeader();
721 if (alih == 0) return;
723 AliGenEventHeader * genh = alih->GenEventHeader();
724 if (genh == 0) return;
726 AliGenPythiaEventHeader* genhpy = dynamic_cast<AliGenPythiaEventHeader *>(genh);
727 if(genhpy==0) return; // Not Pythia
729 Int_t nj = genhpy->NTriggerJets();
730 FillH1(l, 0, double(nj));
732 TLorentzVector* jets[4];
736 for (Int_t i=0; i< nj; i++) {
738 genhpy->TriggerJet(i,p);
739 jets[i] = new TLorentzVector(p);
740 FillH1(l, ic++, jets[i]->Eta());
741 FillH1(l, ic++, jets[i]->Theta()*TMath::RadToDeg());
742 FillH1(l, ic++, TVector2::Phi_0_2pi(jets[i]->Phi())*TMath::RadToDeg());
743 FillH1(l, ic++, jets[i]->Pt());
744 FillH1(l, ic++, jets[i]->E());
746 //printf(" %i pj %f %f %f %f : ic %i\n", i, p[0], p[1], p[2], p[3], ic);
747 if(ic >= l->GetSize()) break;
750 Double_t eta=jets[0]->Eta(), phi=TVector2::Phi_0_2pi(jets[0]->Phi())*TMath::RadToDeg();
751 if(TMath::Abs(eta)<0.5 && (phi>90.&&phi<180.)) {
752 goodJet = (*jets[0]);