[ROOT] Question about Surface picture

From: Kai Yi (yik@fnal.gov)
Date: Fri Jan 26 2001 - 21:46:48 MET 

 Hi, Everyone, 
     I have a specific question to ask, anyone can help me?
     Suppose I have a ntuple(tree), it has the following leaves:
     nEvent   //trigger number
     x        //x coordinate
     y        //y coordinate
     z        //z coordinate
     prob     //some Prob. based on x,y,z
 
 I want to draw a surface picure like this: x->y->Prob 
 here I need to specify the trigger no.--nEvent, about z direction, it is a
 integrate.
 I tried this from treeViewer, it draw me a 3D picture, it is point based
 picture, I want a surface picture(more smoothly). I tried to put "Surf"
 into Gopt box, it does not work.
 Anyone can help me?
 Thanks a lot
 
 
 Kai YI

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