C++ RooDataSet::getRange方法代码示例

void read() {

  // Open File
  
  //TFile *datafile = TFile::Open("~/Documents/uni/LHCb_CharmSummerProj/Gedcode/baryon-lifetimes-2015/data/run-II-data/datafileLambda_TAUmin200fs_max2200fs_Mmin2216_max2356.root");
 
  //TFile *datafile = TFile::Open("~/Documents/uni/LHCb_CharmSummerProj/Gedcode/baryon-lifetimes-2015/data/run-II-data/datafileLambda_TAUmin200fs_max2200fs_Mmin2216_max2356_CutIPCHI2lt3.root"); 

  TFile *datafile = TFile::Open("~/Documents/uni/LHCb_CharmSummerProj/learning_root/DataSetLambda_TAUmin0002_max0022.root"); 

  //TFile *datafile = TFile::Open("~/Documents/uni/LHCb_CharmSummerProj/learning_root/DataSetfromGed_fit_data_wSWeight.root"); 

  // Define dataset
  RooDataSet* ds = (RooDataSet*)datafile->Get("ds") ;

  // Define TAU variable, get limits.
  RooRealVar Lambda_cplus_TAU("Lambda_cplus_TAU","Lambda_cplus_TAU",0.0002 ,0.0022 ,"ns") ;  //real range of interest is [0.00025, 0.002], this is defined later.
  double highestTAU;
  double lowestTAU;
  ds->getRange(Lambda_cplus_TAU, lowestTAU, highestTAU);

  // Define Mass variable, get limits.
  RooRealVar Lambda_cplus_M("Lambda_cplus_M","Lambda_cplus_M",2216 ,2356, "GeV") ; 
  double highestM;
  double lowestM;
  ds->RooAbsData::getRange(Lambda_cplus_M, lowestM, highestM) ;
  
  // Define IPCHI2 variable
  RooRealVar Lambda_cplus_IPCHI2_OWNPV("Lambda_cplus_IPCHI2_OWNPV","Lambda_cplus_IPCHI2_OWNPV",-100 ,100) ; 
  double highestIPCHI2_OWNPV;
  double lowestIPCHI2_OWNPV;
  ds->RooAbsData::getRange(Lambda_cplus_IPCHI2_OWNPV, lowestIPCHI2_OWNPV, highestIPCHI2_OWNPV) ;

  //Lambda_cplus_TAU.setRange("R1",0.00018, 0.0012);




  // Print to Screen
  cout<<endl<<endl<<"************info************"<<endl;

  cout<< "Lowest lifetime value in dataset = "<<lowestTAU<<endl;
  cout<< "Highest lifetime value in dataset = "<<highestTAU<<endl;  
  cout<< "Lowest mass value in dataset (should be: 2216)= "<<lowestM<<endl;
  cout<< "Highest mass value in dataset (should be: 2356)= "<<highestM<<endl; 
  cout<< "Lowest IPCHI2_OWNPV value in dataset = "<<lowestIPCHI2_OWNPV<<endl;
  cout<< "Highest IPCHI2_OWNPV value in dataset = "<<highestIPCHI2_OWNPV<<endl;
 
  cout<<"number of events: "<<endl ; 
  ds->Print();  //number of events in dataset    
  //rmodel->Print(); //results  
  //cout<<"Chi squared ="<<chi2<<endl ;
  
}

int main(int argc, char* argv[])
{
  string name;

  for(Int_t i=1;i<argc;i++){
    char *pchar = argv[i];

    switch(pchar[0]){

    case '-':{

      switch(pchar[1]){
      case 'n':
        name = argv[i+1];
        cout << "Name of the configuration key " << name << endl;
        break;
      }
    }
    }
  }

  Bool_t doFit = kFALSE;
  Bool_t extract = kFALSE;
  Bool_t doFrac = kFALSE;
  Bool_t doPlots = kTRUE;
  Bool_t doChi2 = kFALSE;

  BaBarStyle p;
  p.SetBaBarStyle();
  gROOT->GetStyle("BABAR")->SetPalette(1);
  gROOT->GetStyle("BABAR")->SetPadTopMargin(0.04);
  gROOT->GetStyle("BABAR")->SetPadLeftMargin(0.17);
  gROOT->GetStyle("BABAR")->SetPadBottomMargin(0.19);
  gROOT->GetStyle("BABAR")->SetTitleSize(0.08,"xyz"); // set the 3 axes title size 

  //define DalitzSpace for generation
  EvtPDL pdl;
  pdl.readPDT("evt.pdl");
  EvtDecayMode mode("D0 -> K- pi+ pi0");
  EvtDalitzPlot dalitzSpace(mode);

  RooRealVar tau("tau","tau",0.4099);
  RooRealVar m2Kpi_d0mass("m2Kpi_d0mass","m2Kpi_d0mass",1.,dalitzSpace.qAbsMin(EvtCyclic3::AB),dalitzSpace.qAbsMax(EvtCyclic3::AB));
  RooRealVar m2Kpi0_d0mass("m2Kpi0_d0mass","m2Kpi0_d0mass",1.,dalitzSpace.qAbsMin(EvtCyclic3::AC),dalitzSpace.qAbsMax(EvtCyclic3::AC));
  RooRealVar m2pipi0_d0mass("m2pipi0_d0mass","m2pipi0_d0mass",1.,dalitzSpace.qAbsMin(EvtCyclic3::BC),dalitzSpace.qAbsMax(EvtCyclic3::BC));
  RooRealVar d0Lifetime("d0Lifetime","d0Lifetime",-2.,4.);
  RooRealVar d0LifetimeErr("d0LifetimeErr","d0LifetimeErr",0.0000001,0.5);
  RooCategory D0flav("D0flav","D0flav");
  D0flav.defineType("D0",-1);
  D0flav.defineType("antiD0",1);

  RooRealVar scalefact1("scalefact1","scalefact1",3.20);
  RooRealVar scalefact2("scalefact2","scalefact2",1.42);
  RooRealVar scalefact3("scalefact3","scalefact3",0.94);

  RooRealVar c1("c1","c1",-2.,2.);
  RooRealVar c2("c2","c2",-2.,2.);
  RooUnblindOffset c1_unblind("c1_unblind","c1 (unblind)","VaffanculoS",1.,c1) ;
  RooUnblindOffset c2_unblind("c2_unblind","c2 (unblind)","VaffanculoS",1.,c2) ;

  TFile fWS("DataSet_out_tmp.root");
  gROOT->cd();
  RooDataSet *data = (RooDataSet*)fWS.Get("fulldata");
  RooDataSet *data_clean = (RooDataSet*)data->reduce("d0LifetimeErr < 0.5 && d0Lifetime > -2. && d0Lifetime < 4. && deltaMass > 0.1449 && deltaMass < 0.1459");
  RooDataSet *dataWS_2 = (RooDataSet*)data_clean->reduce("isWS == 1");
  RooDataSet *dataWS = (RooDataSet*)dataWS_2->reduce("d0Mass > 1.8495 && d0Mass < 1.8795");
  RooDataSet *RSdata = (RooDataSet*)data_clean->reduce("isWS == 0 && d0Mass > 1.8495 && d0Mass < 1.8795");

  Double_t low12,hig12,low13,hig13,low23,hig23;
  Bool_t m12bool = dataWS->getRange(m2Kpi_d0mass,low12,hig12);
  Bool_t m13bool = dataWS->getRange(m2Kpi0_d0mass,low13,hig13);
  Bool_t m23bool = dataWS->getRange(m2pipi0_d0mass,low23,hig23);
  m2Kpi_d0mass.setRange(low12,hig12);
  m2Kpi0_d0mass.setRange(low13,hig13);
  m2pipi0_d0mass.setRange(low23,hig23);

  m2Kpi_d0mass.setBins(10);
  m2Kpi0_d0mass.setBins(10);
  d0Lifetime.setBins(8);
  d0LifetimeErr.setBins(10);
  m2pipi0_d0mass.setBins(10);

  Float_t total = pow(dalitzSpace.bigM(),2) + pow(dalitzSpace.mA(),2) + pow(dalitzSpace.mB(),2) + pow(dalitzSpace.mC(),2);
  RooRealVar totalm("totalm","totalm",total);
  RooFormulaVar mass13a("mass13a","@[email protected]@2",RooArgSet(totalm,m2Kpi_d0mass,m2pipi0_d0mass));

  //Construct signal pdf
  RooRealVar bias("bias","bias",0.0047) ;
  RooRealVar one("one","one",1.);

  //consider the resolution or the truth model
  RooGaussModel gm1("gm1","gauss model 1",d0Lifetime,bias,d0LifetimeErr,one,scalefact1) ;
  RooGaussModel gm2("gm2","gauss model 2",d0Lifetime,bias,d0LifetimeErr,one,scalefact2) ;
  RooGaussModel gm3("gm3","gauss model 3",d0Lifetime,bias,d0LifetimeErr,one,scalefact3) ;

  RooRealVar N1("N1","N1",0.0052);
  RooRealVar N2("N2","N2",0.179);

  RooFormulaVar f2("f2","f2","([email protected])*@1",RooArgList(N1,N2));
  RooFormulaVar f3("f3","f3","([email protected])*([email protected])",RooArgList(N1,N2));
//.........这里部分代码省略.........