mcscorerootio Namespace Reference

Classes
class	MCScoreROOTIO

Functions
def	loop_tree
def	test_t2root
def	test_loop

Variables
list	__all__ = [ 'MCScoreROOTIO', 'loop_tree' ]

Detailed Description

Python module

This module provides ROOT IO interface for MCScore data

  [C] MCScoreROOTIO
  [f] loop_tree(tfile, analyze_vertex):

                                        Q, 2006

Function Documentation

def mcscorerootio.loop_tree	(		tfile,
			analyze_vertex
	)

loop ROOT tree in a ROOT file.
  * analyze_vertex: user function : analyze_vertex(MCVertex)

Definition at line 112 of file mcscorerootio.py.

def loop_tree(tfile, analyze_vertex):
  """
  loop ROOT tree in a ROOT file.
    * analyze_vertex: user function : analyze_vertex(MCVertex)
  """
  avtree = tfile.Get("vertex")
  aptree = tfile.Get("particle")

  # reading vertex...
  n_vertex = avtree.GetEntries()
  for ivtx in xrange(n_vertex):
    avtree.GetEntry(ivtx)
    aptree.GetEntry(ivtx)

    # vertex
    vertex = MCScore.MCVertex(avtree.x, avtree.y, avtree.z)    

    # reading secondary particles...
    nsec = aptree.np
    namelist = aptree.namelist
    pname = namelist.split()
    for ip in xrange(nsec):
      particle = MCScore.MCParticle(pname[ip], aptree.Z[ip], aptree.A[ip],
                                    aptree.kE[ip], aptree.px[ip],
                                    aptree.py[ip], aptree.pz[ip])
      vertex.append_particle(particle)

    analyze_vertex(vertex)

  return n_vertex


# ==================================================================
# test

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