BeamSpotStandAlone.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <vector>
#include <tuple>
#include <TTree.h>
#include <Eigen/Dense>
 
//If compiled within BASF2
#ifdef _PACKAGE_
#include <tracking/calibration/Splitter.h>
#else
#include <Splitter.h>
#endif
 
namespace Belle2::BeamSpotCalib {
 
 
  struct Track {
    double d0;   
    double z0;   
    double phi0; 
    double tanlambda; 
  };
 
  struct Event {
    int exp;   
    int run;   
    int evtNo; 
 
 
    Track mu0; 
    Track mu1; 
 
    int nBootStrap; 
    bool isSig;     
    double t;       
 
    void toMicroM()
    {
      mu0.d0 *= 1e4;
      mu1.d0 *= 1e4;
      mu0.z0 *= 1e4;
      mu1.z0 *= 1e4;
    }
  };
 
 
 
  std::vector<Event> getEvents(TTree* tr);
 
  std::tuple<std::vector<Eigen::VectorXd>, std::vector<Eigen::MatrixXd>, Eigen::MatrixXd>  runBeamSpotAnalysis(
    std::vector<Event> evts,
    const std::vector<double>& splitPoints);
 
 
}