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#include "TROOT.h"
#include "TFile.h"
#include "TBenchmark.h"
#include "TH1.h"
#include "TH1F.h"
#include "TH2F.h"
#include "TH3F.h"
#include "TCanvas.h"
#include "TStyle.h"
#include "TPad.h"
#include "TF1.h"
#include "TGraph.h"
#include "TSpectrum.h"
#include "TAttFill.h"
#include "stdio.h"
#include "include/RTUtil.h"
//#include "include/RTUtil.h"
int tdc(char filename[256] = "test", int chX=0, int chY=0, double rangeLeft=87, double rangeRight=107, bool debug = false)
{
int map[8][8]={{32,34,53,55,40,42,61,63},
{48,50,37,39,56,58,45,47},
{33,35,52,54,41,43,60,62},
{49,51,36,38,57,59,44,46},
{17,19,4,6,25,27,12,14},
{1,3,20,22,9,11,28,30},
{16,18,5,7,24,26,13,15},
{0,2,21,23,8,10,29,31}
};
char fnameroot[256];
TFile* rootfile;
sprintf(fnameroot, "root/%s.root", filename);
rootfile = (TFile *) gROOT->FindObject(filename);
if(rootfile==NULL) rootfile = new TFile(fnameroot);
if(rootfile==NULL) {
printf("Cannot open root file %s!!!\n",fnameroot);
return(0);
}
// set draw style
/*
gStyle->SetPalette(1, 0);
gStyle->SetPaperSize(TStyle::kA4);
gStyle->SetStatBorderSize(1);
gStyle->SetFrameBorderMode(0);
gStyle->SetFrameFillColor(0);
gStyle->SetCanvasBorderMode(0);
gStyle->SetPadBorderMode(0);
gStyle->SetPadColor(0);
gStyle->SetCanvasColor(0);
gStyle->SetStatColor(0);
gStyle->SetOptFit(1111);
gStyle->SetOptStat("ne");
gStyle->SetPadTopMargin(0.15);
gStyle->SetPadBottomMargin(0.15);
gStyle->SetPadRightMargin(0.15);
gStyle->SetPadLeftMargin(0.15);
//gStyle->SetTitleYOffset(1.4);*/
RTSetStyle(gStyle);
TCanvas* canvas1 = new TCanvas("canvas1","canvas1",1000,1000);
TH2F* h_tdc = (TH2F*) rootfile->Get("htdc");
canvas1->cd();
h_tdc->Draw("colz");
//TH3F* h_3D = (TH3F*) rootfile->Get("h_correctedTDC");
TH2F* h_correctedTDC = (TH2F*) rootfile->Get("h_correctedTDC");
TCanvas* canvas2 = new TCanvas("canvas2","canvas2",1000,1000);
canvas2->cd();
h_correctedTDC->Draw("colz");
//TH2D* h_correctedTDC = (TH2D*) h_3D->Project3D("xz");
//h_correctedTDC->SetTitle("; t [ns]; Channel");
//h_correctedTDC->Draw("colz");
TCanvas* canvas3 = new TCanvas("canvas3","canvas3",1600,1600);
canvas3->cd();
//TH1D* h_allTDCbins = h_correctedTDC->ProjectionX("", 1, 64);
//h_allTDCbins->Draw();
int binY = map[chX][chY];
if (debug) printf("%d\n", binY);
//TH1D* channelY = h_correctedTDC->ProjectionX("",binY+1,binY+1);
TH1D* channelY = h_tdc->ProjectionX("",binY+1,binY+1);
channelY->SetStats(1);
char title[256];
sprintf(title,";Time [ns];Events");
channelY->SetTitle(title);
//channelY->GetYaxis()->SetTitleOffset(1.7);
//TAxis* xAxis = h_correctedTDC->GetXaxis();
//int range = xAxis->GetBinUpEdge(xAxis->GetLast()+1);
//channelY->GetXaxis()->SetRangeUser(-range, range);
//gStyle->SetOptStat("nemr");
//gStyle->SetOptFit(111);
channelY->GetXaxis()->SetRangeUser(rangeLeft,rangeRight);
channelY->Draw();
// Fit function: linear for background c + k*x
// Signal: norm*gaussian(mu,sigma)
TF1* f_gaus1 = new TF1("f_gaus1","[0] +[1]*x + gaus(2)", rangeLeft, rangeRight);
//TF1* f_gaus1 = new TF1("f_gaus1","[0] +[1]*x + gaus(2)");
f_gaus1->SetParNames("Const","Linear","Norm","#mu","#sigma");
//f_gaus1->SetLineColor(kAzure+1);
f_gaus1->SetLineColor(kBlack);
f_gaus1->SetLineWidth(4);
f_gaus1->SetParameter(0, channelY->GetMinimum());
f_gaus1->SetParameter(1, 0.0);
f_gaus1->SetParameter(2, channelY->GetMaximum() - channelY->GetMinimum());
f_gaus1->SetParameter(3, channelY->GetBinCenter(channelY->GetMaximumBin()));
f_gaus1->SetParameter(4, 1.0);
//channelY->Fit(f_gaus1,"qr");
//channelY->Fit(f_gaus1,"r");
//Fit in range +- 3 sigma
//channelY->Fit(f_gaus1,"r","", f_gaus1->GetParameter(3)-3*f_gaus1->GetParameter(4),
channelY->Fit(f_gaus1,"","");
//f_gaus1->GetParameter(3)+3*f_gaus1->GetParameter(4));
double N = channelY->GetEntries();
double Nbkg = (rangeRight - rangeLeft)*f_gaus1->GetParameter(0);
double Nsig = N - Nbkg;
printf("\nN = %f, Nsig = %f, Nbkg = %f, SN = %f***\n\n", N, Nsig, Nbkg, Nsig/Nbkg);
/*
//to draw a shaded area above and below an histogram range, we create
//a TGraph object (here we shade bins 60 to 80).
Int_t i;
Int_t n = 2*(80-60);
TGraph *gr = new TGraph(2*n);
for (i=0;i<20;i++) {
Float_t xlow = h1->GetBinLowEdge(60+i);
Float_t xup = h1->GetBinLowEdge(60+i+1);
Float_t y = h1->GetBinContent(60+i);
Float_t yup = 1.1*y;
Float_t ydown= 0.9*y;
gr->SetPoint(2*i, xlow,yup);
gr->SetPoint(2*i+1,xup, yup);
gr->SetPoint(2*n-2*i-1,xlow, ydown);
gr->SetPoint(2*n-2*i-2,xup, ydown);
}
gr->SetFillColor(2);
gr->Draw("lf");*/
TH1D* timeWindow = (TH1D*) channelY->Clone();
timeWindow->GetXaxis()->SetRangeUser(92,102);
//timeWindow->SetFillColor(kAzure-1);
timeWindow->SetFillColor(kBlack);
timeWindow->SetFillStyle(3004);
timeWindow->Draw("same");
char drawing[128];
sprintf(drawing, "ps/%sTDC.pdf", filename);
canvas3->SaveAs(drawing);
gPad->Update();
return (0);
}