Hi, can anybody please tell me how to fill the area beneath a curve? I’ve seen ROOT: TAttFill Class Reference but I don’t know how to apply. At the moment I have: TGraph *caesium = new TGraph(point_cs, Caesium_ch, Caesium_intensity); caesium->SetMarkerSize(2); caesium->SetMarkerColor(kRed); …

Fill area beneath curve

Wile_E_Coyote July 17, 2018, 11:48am 2

Dear All sorry if this is trivial, Does someone know why I have an empty graph if I use option F for drawing ? Thanks in advance. PS: the code can be run just by doing: root -l Efficiency.C Cheers, Diallo AtlasStyle.h (388 Bytes) Efficiency.C (11.1 KB) _ROOT Version: 6.12/06

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