Hi Waseem, The only thing that I can suggest is : - to read the chapter on Trees in the Users Guide - play with the tutorials tree1.C, tree2.C, tree3.C, tree4.C - play with $ROOTSYS/test/Event In particular, $ROOTSYS/tutorials/tree2.C may be a good start for you. Rene Brun On Tue, 13 Aug 2002 wbari@ehp.saha.ernet.in wrote: > > Hello root family, > I am a totally new root user. I started with simple programs > using the turorials, like reading a file and drawing the required kind of > graphs. I intend to convert an already existing program (written in > FORTRAN) and write it in root. It has several subroutines. I am interested > to get the results in the form a Tree structure. Although I have gone > through a little bit of the "TTree", but I am still confused about calling > the various variables from different subroutines (as we do in FORTRAN). > Well this may be a trivial question for you all, but please remember that > I have just started doing root. So I wish anybody can give me some > suggestions. > Best regards > Waseem > > -- > > > "A THING OF BEAUTY IS A JOY FOR EVER" > (J. Keats) > *********************************** > **** WASEEM BARI ******* > > >
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