Dear Sir/Madam, I need your help in understanding the style of histogram. It look like a filled histogram. I want to explain in a brief, I recently performed an experiment. The data is in .dat format with two columns. Column 1 (say X) is the channel numbers, and 2nd (say Y) are the counts. I can p…

Histogram pattern

hist

Wile_E_Coyote April 8, 2020, 4:46pm 2

How I can convert dat file to root file ROOT

{ TGraph *g = new TGraph("10B27Al-120MeV-Ge-8.dat"); g->SetTitle("Sample title;channel number;#counts"); Int_t T_real = g->GetY()[0]; g->GetY()[0] = 0; Int_t T_vivo = g->GetY()[1]; g->GetY()[1] = 0; std::cout << "Espectro en: " << g->GetN() << " canales" << std::endl; std::cout << "T real: " << T_real << " s" << std::endl; std::cout << "T vivo: " << T_vivo << " s" << std::endl; g->Draw("ALP"); // g->SetMinimum(1); gPad->SetLogy(1); }

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