[ROOT] Problem with new version

From: Perfetto Francesco (Francesco.Perfetto@na.infn.it)
Date: Wed May 05 2004 - 21:52:36 MEST


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 ?

Another question: why the file .root that I have converted with h2root on
Sun are not good for Linux machine (and viceversa) ?

Thanks
Francesco.



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