{ Float_t values_set[5] = {45.3, 44.7, 45.0, 44.95, 45.12}; TCanvas *can = new TCanvas( "my_C_canvas", "Histogram Stack Example", 200, 50, 600, 400 ); THStack *hs = new THStack(); hs->SetName( "hstack" ); hs->SetMinimum(43); TH1D *h1 = new TH1D( "h1", "First hist", 5, 0, 6 ); h1->SetMarkerStyle(33); for (int i=0; i<5; i++) { h1->SetBinContent( i+1, i, values_set[i] ); h1->SetBinError( i+1, i, 0.001 ); } hs->Add( h1, "E1" ); hs->Draw( "nostack" ); }