I got the following code (fragments): ------------------------- 1 TGraph * gr1 = new TGraph(nlayer, layer, E05_10); 2 3 TCanvas * c1 = new TCanvas("c1","c1",10,10,400,400); 4 c1->DrawFrame(3.5,-32.8.,18,-32.2); 5 6 gr1->Draw("P"); // or (AP) 7 c1->Update(); 8 gr1->GetHistogram()->GetXaxis()->SetTitle("layer No"); 9 10 c1->Modified(); ----------------- Now the problem is that if i do not comment 8th line, the graph disappears just after being plotted. And anyway this line is not working with P option only (in line 6). But if i put AP option then two scales are plotted on Y axis (the one of graph and the one superimposed in line 4). How to do to have axis title, single scale on Y axis and a visible points of the graph? -- Mariusz
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