Hi, The fill area attributes (like SetFillStyle, SetFillColor) etc ..) have no effect on the markers. Filled area and markers are different basic primitives and have different sets of attributes. To do what you requested you should use two different marker types, one filled and the other hollow, and superimpose them. The following macro gives you an example: { TCanvas *c1 = new TCanvas("c1","Test",0,0,600,600); TF1 fun1("fun1","sin(x)",0,6.28); fun1.SetMarkerColor(5); fun1.SetMarkerSize(2.); fun1.SetMarkerStyle(29); fun1.Draw("P"); TF1 fun2("fun1","sin(x)",0,6.28); fun2.SetMarkerColor(1); fun2.SetMarkerSize(2.); fun2.SetMarkerStyle(30); fun2.Draw("P SAME"); } Cheers, O.Couet -- Org: CERN - European Laboratory for Particle Physics. Mail: 1211 Geneve 23 - Switzerland Mailbox: J25910 E-Mail: Olivier.Couet@cern.ch Phone: +41 22 7676522 WWW: http://cern.ch/Olivier.Couet/ Fax: +41 22 7677155
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