104 lines
1.8 KiB
C++
104 lines
1.8 KiB
C++
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#include "Analyse.hh"
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Analyse::Analyse() : _p0(0), _mu(0), _sigma(0) {}
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Analyse::~Analyse() {;}
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Double_t Analyse::GetP0() {
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return _p0;
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}
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Double_t Analyse::GetMu(){
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return _mu;
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}
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Double_t Analyse::GetSigma(){
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return _sigma;
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}
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void Analyse::AnalyseGaus(std::vector<Double_t> t, std::vector<Double_t> x){
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Double_t dx = 0.0;
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Double_t q = 10000;
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Double_t max = std::numeric_limits<int>::min();
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Double_t min = std::numeric_limits<int>::max();
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for (int i = 1; i < t.size(); i++) dx += TMath::Abs(x[i]-x[i-1]);
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dx/=t.size();
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dx/=q;
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for (int i = 1; i < t.size(); i++){
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if(TMath::Abs(x[i]-x[i-1]) < dx) _p0 += 1.0;
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}
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//std::cout << "t.size " << t.size() << std::endl;
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_p0 /= (Double_t)t.size();
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//std::cout << "p0 = " << _p0 << std::endl;
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std::vector<Double_t> deltax;
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deltax.push_back(x[0]);
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for (int i = 1; i < t.size(); i++) {
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if(TMath::Abs(x[i]-x[i-1]) > dx){
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deltax.push_back(x[i]-x[i-1]);
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}
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//std::cout << deltax[i-1] << std::endl;
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}
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for (int i = 0; i < deltax.size(); i++){
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Double_t loc_dx = deltax[i];
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max = (loc_dx > max) ? loc_dx : max;
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min = (loc_dx < min) ? loc_dx : min;
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}
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Int_t nbin = (max-min)/0.1;
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//std::cout << nbin << std::endl;
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TH1D* dxhisto = new TH1D("dxhisto","dxhisto", nbin, min+0.1*min,max+0.1*max);
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for (int i = 0; i < deltax.size(); i++) dxhisto->Fill(deltax[i]);
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dxhisto->Fit("gaus");
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dxhisto->Draw();
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//std::cout << dxhisto->GetFunction("gaus")->GetParameter(1) <<std::endl;
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_mu = dxhisto->GetFunction("gaus")->GetParameter(1);
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_sigma = dxhisto->GetFunction("gaus")->GetParameter(2);
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std::cout << "p0 = " << _p0 << std::endl;
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std::cout << "mu = " << _mu << std::endl;
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std::cout << "sigma = " << _sigma << std::endl;
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}
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