DistanceCalculatorModule.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 <framework/core/Module.h>
#include <string>
#include <TMatrixFSym.h>
 
#include <Eigen/Core>
 
#include <analysis/dataobjects/Btube.h>
#include <analysis/dataobjects/Particle.h>
#include <analysis/dataobjects/ParticleList.h>
#include <analysis/DecayDescriptor/DecayDescriptor.h>
 
#include <framework/datastore/StoreObjPtr.h>
 
namespace Belle2 {
  class DistanceCalculatorModule : public Module {
 
  public:
    DistanceCalculatorModule();
 
    virtual ~DistanceCalculatorModule();
 
    virtual void initialize() override;
 
    virtual void event() override;
 
  private:
 
    void getDistance(const Particle* p1, const Particle* p2);
    void getDistanceErrors(const Particle* p1, const Particle* p2);
    void getBtubeDistance(const Particle* p, const Btube* t);
    void getBtubeDistanceErrors(const Particle* p, const Btube* t);
 
    std::string m_listName; 
    std::string m_decayString;  
    DecayDescriptor m_decayDescriptor;  
    std::string m_mode; 
    Eigen::Vector3d m_distance; 
    TMatrixFSym m_distanceCovMatrix; 
    StoreObjPtr<ParticleList> m_plist; 
  };
}