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#include <string>
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#include <vector>
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#include <iostream>
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#include <map>
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#include <utility>
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#include "TNtuple.h"
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#include "TRandom.h"
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#include "TTree.h"
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#include "TFile.h"
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#include "TH1I.h"
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#include "TH1F.h"
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#include "TH2F.h"
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#include "TProfile.h"
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#include "TString.h"
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#include "TMath.h"
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#include "TF1.h"
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#include "TString.h"
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#include "TCanvas.h"
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#include "TCut.h"
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using namespace std;
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class Laser{
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public:
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Laser(double rin = 0.9, double win = 0.1, double inn = 10){
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r = rin;
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s1 = 100.;
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s2 = r*s1;
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w = win;
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noiseFactor = inn;
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f1 = new TF1("f1","gaus",-10,20);
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f2 = new TF1("f2","gaus",-10,20);
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fLaser = new TF1("fLaser","gaus(0)+gaus(3)",-5,10);
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f1->SetParameter(0,s1);
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f2->SetParameter(0,s2);
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f1->SetParameter(1,0);
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f2->SetParameter(1,1);
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f1->SetParameter(2,w);
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f2->SetParameter(2,w);
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fLaser->SetParameter(0,s1);
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fLaser->SetParameter(3,s2);
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fLaser->SetParameter(1,0);
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fLaser->SetParameter(4,1);
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fLaser->SetParameter(2,w);
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fLaser->SetParameter(5,w);
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}
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void fillHit(TH1* h, double phase = 0){
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h->Reset();
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for(int i = 0; i < h->GetNbinsX(); ++i){
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double low = h->GetBinLowEdge(i);
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double high = h->GetBinLowEdge(i+1);
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double mid = (low+high)/2.;
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low = low + phase - 4;
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high = high + phase - 4;
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double adc = f1->Integral(low,high)+f2->Integral(low,high);
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h->Fill(mid,adc);
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h->Fill(i+0.5,noiseFactor*(gRandom->Uniform()-0.5));
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}
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h->Draw();
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};
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void Draw(){
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f1->SetLineColor(2);
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f2->SetLineColor(4);
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f1->SetLineWidth(1);
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f2->SetLineWidth(1);
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f2->SetLineStyle(2);
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f1->SetLineStyle(2);
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fLaser->SetLineColor(1);
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fLaser->GetXaxis()->SetTitle("t/25ns + arbitrary constant");
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fLaser->GetYaxis()->SetTitle("Charge #times arbitrary constant");
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fLaser->GetXaxis()->CenterTitle();
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fLaser->GetYaxis()->CenterTitle();
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fLaser->SetLineStyle(1);
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fLaser->Draw();
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f2->Draw("same");
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f1->Draw("same");
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// fLaser->Draw("same");
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}
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double s1,s2,r,w, noiseFactor;
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TF1* f1, *f2, *fLaser;
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};
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void findPeak(TH1D* hit,double& s0,double& s1,double& s2,double& s3, int& ts){
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double max1 = -9999;
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double imax1 = -1;
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for(int i = 1; i < hit->GetNbinsX()+1; ++i){
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double y = hit->GetBinContent(i)+hit->GetBinContent(i+1);
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if(y>max1){
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max1 = y;
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imax1 = i;
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}
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}
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ts = imax1;
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s0 = hit->GetBinContent(imax1-1);
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s1 = hit->GetBinContent(imax1);
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s2 = hit->GetBinContent(imax1+1);
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s3 = hit->GetBinContent(imax1+2);
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}
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