Hi Francesco, Perfetto Francesco wrote: > > Hi all, > > until now I worked on SUN with SunOS 5.6 and root 3.02/06 as following: > > 1) from .hbook at .root using h2root of root 3.02/06 > 2) in ROOT prompt h1->MakeClass() (h1 is my tree) > 3) I compile my program example.cc example.h Example.cpp with Sun > compiler CC5 that create a file .root for my analisys > > at this level I haven't any problem (all variables on my tree are full). > > Now on new 2 machines with linux RedHat 9.0 gcc 3.2.2 (20030222 Red Hat > Linux 3.2.2-5 this i have with command gcc -v) and one with ROOT 4.00/04 > and the other with ROOT 3.10/02 > > I have some problem, I work as following: > > 1) from .hbook to .root with h2root of root 4.00/04 > 2) in root prompt h1->MakeClass() > 3) I compile my program example.cc example.h Example.cpp with gcc compiler > and I have in output a .root file with a tree for my analisys. > > At this level I have a problem: any variables in my tree are empty and > when I click on leaf in the browser the canvas appear but it is white > (empty). > > Where is a problem ? could you send me (not the list) the original hbook file? could you send me your example.cc file? > > Another question: why the file .root that I have converted with h2root on > Sun are not good for Linux machine (and viceversa) ? The ROOT files must be readable on Linux and Solaris. You must be doing something wrong when transferring the files. Rene Brun > > Thanks > Francesco.
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