# read C++ ntuple using Jython/Java 

from jhplot.io import *
from jhplot.io.PEventFile import *
import time

f=EFile('main02.nbu')
start = time.clock()
print f.getVersion()

for i in range(1,f.size()):
    ev = f.read()
    if (ev.getId()%10==0): 
       print "Read event", ev.getId()
       g=ev.getGroup(0)
       print "Read event", ev.getId(), "particles=",g.getEntryCount()
       #for k in range(g.getEntryCount()):
       #   e=g.getEntry(k)
           # print e.getName(),"ID=",e.getIda(0),"Status=",e.getIda(1),"Charge=",e.getIda(2),\
           # " px=",e.getDa(0)," py=",e.getDa(1)," pz=",e.getDa(2)," e=",e.getDa(3)," m=",e.getDa(4) 
            
f.close()
print ' time (s)=',time.clock()-start