> Hi, > > I am not sure if this is what you are looking for but you can do > > ntupleVertexRaw->Draw("_1.z:_1.y:_1.x", "_1.z<60 && _1.y<20 && _1.x<10", "", 3292, 0); > > Philippe. Thanks for your response. This works only for one aspect, what I want is more than that: if all my 5<x,y,z<10, but I still want to draw them in a space 0<x,y,z<100, that is to say, I want a space,like,0<x,y,z<100, then I do not care what the real value of x,y,z, if they are inside my range, then draw it, if it is out of my range, throw it. Thanks again! Kai Yi
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