Hi Takefumi, libEvent is the library for the example $ROOTSYS/test/Event only. If you have your own class, you do not need this library. Please see examples at $ROOTSYS/tutorials/tree0.C, 1,2,3 and tree4.C To execute tree0 for example, do cd $ROOTSYS/tutorials root root > .x tree0.C++ $ROOTSYS/test/Event is a slightly more complex example. to use it, make the executables and libs with cd $ROOTSYS/test make Event and play with the various configurations, eg Event 200 0 0 1 write 200 events (no split no compression) Event 200 0 0 20 read the file generated above Event 200 0 1 1 write 200 events with split =1 Event 200 0 1 20 read file generated above Event 200 1 2 1 write 200 events (split=2 and compression) Event 200 1 7 1 write 200 events with more split and compression, etc More information in the Users Guide Rene Brun On Thu, 15 Aug 2002, Takefumi SORA wrote: > Hi, ROOTers > > Please tell me what is needed to create "Tree" with > my defined class. > > Besides MyClass.C, we need the library(ex. libEvent.so) > according to page 253 in Users Guide 3.02b. > > Can I create Tree only with Myclass.C and rootalias.C > which is written like this: "#include<Myclass.C>" > > As the library "libEvent.so" used by FNAL tutorial was > binary file, I cannnot read it. > -- > Takefumi SORA <tak-sora@bg7.so-net.ne.jp> >
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