Draw a line in histogram with option CONT4

Wile_E_Coyote June 4, 2015, 4:43am 2

[root.cern.ch/phpBB3/viewtopic.p … 875#p57875](Vertical shaded area

[root.cern.ch/phpBB3/viewtopic.p … 131#p58131](gPad->GetUxmin(),GetUxmax() for 2D histogram