d6/dc1/MakeTree_8C_source.html

#pragma once

#if ROOT_VERSION_CODE >= ROOT_VERSION(6,00,0)

#include <fun4all/SubsysReco.h>

#include <fun4all/Fun4AllServer.h>

#include <fun4all/Fun4AllInputManager.h>

#include <fun4all/Fun4AllDstOutputManager.h>

#include <fun4all/Fun4AllOutputManager.h>

#include <fun4all/Fun4AllDummyInputManager.h>

#include <phool/recoConsts.h>

// here you need your package name (set in configure.ac)

#include <mytree/MakeSimpleTree.h>

R__LOAD_LIBRARY(libfun4all.so)

R__LOAD_LIBRARY(libmytree.so)

#endif


void  MakeTree()

{

  gSystem->Load("libmytree.so");

  Fun4AllServer *se = Fun4AllServer::instance();


  // since it doesn't matter we use a dummy input manager which just

  // drives the event loop with a runnumber of 310000

  recoConsts *rc = recoConsts::instance();

    rc->set_IntFlag( "RUNNUMBER", 310000);

  Fun4AllInputManager *in = new Fun4AllDummyInputManager( "DSTin");

  se->registerInputManager( in );


  // normally it's a good idea to have the name of the module

  // as argument. The name is needed if you want to have this module

  // discard events from the output. In case you want to run a few of these

  // modules you need to be able to set unique names somewhere

  SubsysReco *mytree = new MakeSimpleTree("MYTREE");

  se->registerSubsystem(mytree);

  Fun4AllOutputManager *out = new Fun4AllDstOutputManager("OUT","mytree.root");

  // This is one of the few places where the name of a module is actually important -

  // e.g. using duplicate names will definitely screw you here

  // The AddEventSelector tells the output manager which module can discard events

  // multiple modules are allowed (no list, you need an AddEventSelector line for

  // every module).

  out->AddEventSelector("MYTREE");

  // this adds these nodes to the output (if you do not select any the default is to

  // write all nodes. The nodes under The RunNode are always saved entirely

  out->AddNode("MYSIMPLETREE");

  out->AddNode("MYTCARRAY");

  se->registerOutputManager(out);

  se->run(100);

  se->End();

  delete se;

  gSystem->Exit(0);

}