Hi Subhendu, Subhendu Chakrabarti wrote: > > Hello, > > 1.I want to plot a 3D graph(surface instead of line); > How can i do that? Use draw option "surf2", see examples in $ROOTSYS/tutorials/draw2dopt.C > 2.After filling a ntuple how i can plot a surface in draw option. ntuple.Draw("y:x","some cut","surf") Rene Brun > > Subhendu Chakrabarti > Department of High Energy Physics, > Tata Institute of Fundamental Research >
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