ActsTransformations.h

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#ifndef TRACKRECO_ACTSTRANSFORMATIONS_H
#define TRACKRECO_ACTSTRANSFORMATIONS_H

#include <trackbase/TrkrDefs.h>
#include <trackbase/ActsGeometry.h>
#include <trackbase/ActsTrackFittingAlgorithm.h>

#include <Acts/Utilities/BinnedArray.hpp>
#include <Acts/Definitions/Algebra.hpp>
#include <Acts/Utilities/Logger.hpp>
#include <Acts/EventData/VectorMultiTrajectory.hpp>

#include "SvtxTrack.h"

#include <cmath>
#include <iostream>
#include <memory>
#include <utility>

// forward declarations
class SvtxTrack;
class SvtxTrackState;
class TrkrCluster;

class ActsTransformations
{
 public:
 ActsTransformations() = default;
    
  Acts::BoundSquareMatrix rotateSvtxTrackCovToActs(const SvtxTrack* ) const;
  
  Acts::BoundSquareMatrix rotateSvtxTrackCovToActs(const SvtxTrackState* ) const;

  Acts::BoundSquareMatrix rotateActsCovToSvtxTrack( const ActsTrackFittingAlgorithm::TrackParameters& ) const;

  void setVerbosity(int verbosity) {m_verbosity = verbosity;}

  void printMatrix(const std::string &message, const Acts::BoundSquareMatrix& matrix) const;

  void calculateDCA(const ActsTrackFittingAlgorithm::TrackParameters param,
                    Acts::Vector3 vertex,
                    Acts::BoundSquareMatrix cov,
                    Acts::GeometryContext& geoCtxt,
                    float &dca3Dxy,
                    float &dca3Dz,
                    float &dca3DxyCov,
                    float &dca3DzCov) const;

  void fillSvtxTrackStates(const Acts::ConstVectorMultiTrajectory& traj, 
                           const size_t& trackTip,
                           SvtxTrack *svtxTrack,
                           Acts::GeometryContext& geoContext) const;
  
 private:
  int m_verbosity = 0;
  

};


#endif