CellIDPositionConverter.h

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//==========================================================================
//  AIDA Detector description implementation 
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : F.Gaede
//
//==========================================================================
#ifndef DDREC_CELLIDPOSITIONCONVERTER_H
#define DDREC_CELLIDPOSITIONCONVERTER_H

#include "DD4hep/Detector.h"
#include "DD4hep/Readout.h"
#include "DD4hep/VolumeManager.h"

#include "DDSegmentation/Segmentation.h"

#include <set>
#include <string>


namespace dd4hep {
  namespace rec {

    typedef DDSegmentation::CellID CellID;
    typedef DDSegmentation::VolumeID VolumeID;

    class CellIDPositionConverter {
#if defined(G__ROOT)
      CellIDPositionConverter() = default ;
#else
      CellIDPositionConverter() = delete ;
#endif
      CellIDPositionConverter(const CellIDPositionConverter&) = delete ;
      void operator=(const CellIDPositionConverter&) = delete ;
      
    public:
      
      CellIDPositionConverter( Detector& description ) : _description( &description )  {
        _volumeManager = VolumeManager::getVolumeManager(description);
      }

      virtual ~CellIDPositionConverter(){} ;
      
      Position positionNominal(const CellID& cellID) const;
      
      Position position(const CellID& cellID) const;


      CellID cellID(const Position& global) const;



      const VolumeManagerContext* findContext(const CellID& cellID) const;



      DetElement findDetElement(const Position& global,
                                const DetElement& det=DetElement() ) const; 


      PlacedVolume findPlacement(const Position& point, const  PlacedVolume& mother, double locPos[3], PlacedVolume::VolIDs& volIDs) const ; 


      Readout findReadout(const DetElement& det) const ;


      Readout findReadout(const PlacedVolume& pv) const ;

    std::vector<double> cellDimensions(const CellID& cell) const ;

    protected:
      VolumeManager _volumeManager{} ;
      const Detector* _description ;

    };

  } /* namespace rec */
} /* namespace dd4hep */







#endif // DDREC_CELLIDPOSITIONCONVERTER_H