/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Geometry/ForwardGeometry/interface/ZdcGeometry.h

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#ifndef Geometry_ForwardGeometry_ZdcGeometry_h
#define Geometry_ForwardGeometry_ZDcGeometry_h

#include "CondFormats/AlignmentRecord/interface/ZDCAlignmentRcd.h"
#include "DataFormats/HcalDetId/interface/HcalZDCDetId.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
#include "Geometry/ForwardGeometry/interface/IdealZDCTrapezoid.h"
#include "Geometry/ForwardGeometry/interface/ZdcTopology.h"
#include "Geometry/Records/interface/ZDCGeometryRecord.h"
#include "Geometry/Records/interface/PZdcRcd.h"

class ZdcGeometry : public CaloSubdetectorGeometry 
{
   public:

      typedef std::vector<IdealZDCTrapezoid> CellVec ;

      typedef CaloCellGeometry::CCGFloat CCGFloat ;
      typedef CaloCellGeometry::Pt3D     Pt3D     ;
      typedef CaloCellGeometry::Pt3DVec  Pt3DVec  ;
      typedef CaloCellGeometry::Tr3D     Tr3D     ;

      typedef ZDCAlignmentRcd   AlignmentRecord ;
      typedef ZDCGeometryRecord AlignedRecord   ;
      typedef PZdcRcd           PGeometryRecord ;
      typedef HcalZDCDetId      DetIdType       ;

      enum { k_NumberOfCellsForCorners = HcalZDCDetId::kSizeForDenseIndexing } ;

      enum { k_NumberOfShapes = 3 } ;

      enum { k_NumberOfParametersPerShape = 4 } ;

      static std::string dbString() { return "PZdcRcd" ; }

      virtual unsigned int numberOfShapes() const { return k_NumberOfShapes ; }
      virtual unsigned int numberOfParametersPerShape() const { return k_NumberOfParametersPerShape ; }

      ZdcGeometry() ;

      explicit ZdcGeometry(const ZdcTopology * topology);
      virtual ~ZdcGeometry();
  
//      virtual DetId getClosestCell(const GlobalPoint& r) const ;

      static std::string producerTag() { return "ZDC" ; }

      static unsigned int numberOfAlignments() { return 2 ; }

      static unsigned int alignmentTransformIndexLocal( const DetId& id ) ;

      static unsigned int alignmentTransformIndexGlobal( const DetId& id ) ;

      static void localCorners( Pt3DVec&        lc  ,
                                const CCGFloat* pv  , 
                                unsigned int    i   ,
                                Pt3D&           ref   ) ;

      virtual void newCell( const GlobalPoint& f1 ,
                            const GlobalPoint& f2 ,
                            const GlobalPoint& f3 ,
                            const CCGFloat*    parm,
                            const DetId&       detId     ) ;

   protected:

      virtual const CaloCellGeometry* cellGeomPtr( uint32_t index ) const ;
                                        
   private:

      const ZdcTopology * theTopology;
      mutable DetId::Detector lastReqDet_;
      mutable int lastReqSubdet_;
      bool m_ownsTopology ;

      CellVec m_cellVec ;
};


#endif