Hi Slava, In PAW, the uwfunc.f function was generated by the command uwfunc. In ROOT, you can have the same in generating the skelton analysis code with TTree::MakeClass or MakeSelector. See Users Guide for more details and examples. Rene Brun On Mon, 2 Jul 2001, Viatcheslav Kouznetsov wrote: > Hi ROOTers! > I have a little question. > How I can draw tree with a my weight function? > An example: > > //------MyMacro.C------ > // x, y, z - variables from MyTree > > Float_t MyFunc(Float_t x, Float_t y) > { > /* > Something doing with x & y > Very complicated and big code. > */ > return some_weight; > } > > void MyMacro() > { > Tree *t = (Tree *) gROOT->FindObject("MyTree"); > t->Draw("z",???????); > } > > //------End of MyMacro.C------ > > ??????? - It's a MyFunc(x, y) or something else? > I want to draw "z*some_weight" > > > In the PAW, I can just use UWFUNC, e.g. > PAW> nt/pl 1.z uwfunc.f > > Best wishes, > Slava. >
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