Hello Thomas, En/Na Thomas Feser ha escrit: > I tried > pad->cd(); > graph1->Draw("AP"); > graph2->Draw("SAME"); > which works in CINT, but not in my (batch mode) application. Option "SAME" > is not documented for graphs, so I was probably just lucky to get any > results in CINT. Is there a proper draw option to plot 2 graphs in one pad, > preferably both with their respective markers and nothing else? Use the option "P" for the second graph (if you do _not_ use option "A", the axis are _not_ drawn around the graph): http://root.cern.ch/root/html/TGraph.html#TGraph:PaintGraph http://root.cern.ch/root/html/examples/gerrors2.C.html PS: This question has been asked and answered _many_ times. See e.g., the following variations on the same theme (1997-2001) obtained from a non-exhaustive search in the RootTalk digest: http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk97/0099.html?graph#first_hit http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk98/1169.html?graph#first_hit http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk98/0209.html?graph#first_hit http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk98/0346.html?graph#first_hit http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk01/0269.html?graph#first_hit http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk01/0341.html?graph#first_hit Best regards, -- David D'ENTERRIA - Marie-Curie PostDoc Fellow - TAPS·PHENIX·ALICE Groupe Photons SUBATECH tel: +33 2 51 85 85 60 4, A. Kastler BP 20722 · 44307 Nantes fax: +33 2 51 85 84 24 http://www-subatech.in2p3.fr/~photons mailto:enterria@in2p3.fr ---------------------------------------------------------------------
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