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{ |
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TString name1 = "../GoodParam/BetheBloch.txt"; |
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ifstream fin1(name1); |
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|
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TString name2 = "../GoodParam/BetheBloch_betagt1.txt"; |
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ifstream fin2(name2); |
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|
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gROOT->SetStyle("Plain"); |
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gStyle->SetOptStat(0); |
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gStyle->SetOptFit(0); |
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gStyle->SetFuncColor( kRed ); |
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|
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Float_t tp[48][3]; |
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Float_t tpbg1[48]; |
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Float_t X[48]; |
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char *s = new char[1]; |
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|
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Int_t idummy; |
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Float_t p0,p1,p2; |
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|
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|
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for (int i=0; i<48; i++) { |
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fin1>>idummy>>p0>>p1>>p2; |
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cout<<" "<<idummy<<" "<<p0<<" "<<p1<<" "<<p2<<endl; |
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tp[i][0]=p0; |
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tp[i][1]=p1; |
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tp[i][2]=p2; |
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} |
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fin1.close(); |
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|
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|
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for (int i=0; i<48; i++) { |
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fin2>>idummy>>p0; |
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cout<<" "<<idummy<<" "<<p0<<endl; |
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tpbg1[i]=p0; |
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X[i] = 1.; |
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} |
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fin2.close(); |
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|
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|
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TCanvas *c = new TCanvas("c","histograms",800,600); |
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|
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TF1 *f1[48]; |
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|
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TGraph *gr[48]; |
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|
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for (Int_t i=0; i<48; i++) { |
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|
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cout<<"PMT "<<i<<endl; |
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|
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// return p[0]/(x*x)*(log(x*x/(1-x*x)) - p[1]*x*x - p[2]); |
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f1[i] = new TF1("f1","[0]/(x*x)*(log(x*x/(1-x*x)) - [1]*x*x - [2])",0.1,0.999); |
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f1[i].SetParameters(tp[i][0],tp[i][1],tp[i][2]); |
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f1[i]->SetLineColor(kRed); |
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for (Int_t ii=1; ii<20; ii++) { |
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Float_t xb = 1.*ii/20; |
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Float_t yhelp = f1[i]->Eval(xb); |
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cout<<xb<<" "<<yhelp<<endl; |
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|
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} |
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|
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|
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gr[i] = new TGraph(1); |
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gr[i]->GetY()[0] = tpbg1[i]; |
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gr[i]->GetX()[0] = 1.; |
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|
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|
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TH2F *hr = new TH2F("hr","",2,0,1.1,2,0,100); |
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hr->SetXTitle("beta"); |
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hr->SetYTitle("BB_corr"); |
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hr->Draw(); |
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|
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f1[i]->Draw("same"); |
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//f1[i]->Draw(); |
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|
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gr[i]->SetMarkerStyle(20); |
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gr[i]->SetMarkerSize(1.5); |
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gr[i]->SetMarkerColor(kBlue); |
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|
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gr[i]->Draw("P"); |
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|
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|
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//gPad->SetLogy(); |
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gPad->SetGrid(); |
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|
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c->Update(); |
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//gets(s); |
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|
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} |
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|
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//========================================================================== |
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//========================================================================== |
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//========================================================================== |
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|
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TCanvas *c1 = new TCanvas("c1","histograms1",1100,800); |
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c1->Divide(8,6); |
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|
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TF1 *f1[48]; |
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|
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for (Int_t i=0; i<48; i++) { |
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|
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cout<<"PMT "<<i<<endl; |
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|
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c1->cd(i+1); |
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|
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// return p[0]/(x*x)*(log(x*x/(1-x*x)) - p[1]*x*x - p[2]); |
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f1[i] = new TF1("f1","[0]/(x*x)*(log(x*x/(1-x*x)) - [1]*x*x - [2])",0.05,0.99); |
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|
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f1[i].SetParameters(tp[i][0],tp[i][1],tp[i][2]); |
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|
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f1[i]->SetLineColor(kRed); |
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TH2F *hr = new TH2F("hr","",2,0.1,1.1,2,0,100); |
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hr->SetXTitle("beta"); |
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hr->SetYTitle("BB_corr"); |
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hr->Draw(); |
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f1[i]->Draw("same"); |
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gr[i]->Draw("P"); |
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//gPad->SetLogy(); |
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gPad->SetGrid(); |
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} |
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} |
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} |
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