/data/refman/pasoursint/CMSSW_5_2_9/src/L1Trigger/DTUtilities/interface/DTTrigGeom.h

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//-------------------------------------------------
//
//
//--------------------------------------------------
#ifndef DT_TRIG_GEOM_H
#define DT_TRIG_GEOM_H

//------------------------------------
// Collaborating Class Declarations --
//------------------------------------

//----------------------
// Base Class Headers --
//----------------------
#include "DataFormats/MuonDetId/interface/DTChamberId.h"
#include "DataFormats/MuonDetId/interface/DTSuperLayerId.h"
#include "DataFormats/MuonDetId/interface/DTLayerId.h"
#include "DataFormats/MuonDetId/interface/DTWireId.h"
#include "Geometry/DTGeometry/interface/DTChamber.h"
#include "L1TriggerConfig/DTTPGConfig/interface/DTConfig.h"
#include "DataFormats/MuonDetId/interface/DTBtiId.h"
#include "DataFormats/MuonDetId/interface/DTTracoId.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h" 
#include "DataFormats/GeometryVector/interface/GlobalPoint.h" 
//---------------
// C++ Headers --
//---------------

//              ---------------------
//              -- Class Interface --
//              ---------------------

class DTTrigGeom {

  public:

    DTTrigGeom(DTChamber* stat, bool debug);
  
    ~DTTrigGeom();
 
    inline const DTChamber* stat() const { return _stat; }

    inline DTChamberId statId() const { return _stat->id(); }

    void setGeom(const DTChamber* stat);

    inline int wheel() const { return _stat->id().wheel(); }

    inline int station() const { return _stat->id().station(); }

    inline int sector() const { return _stat->id().sector(); }

    // Access geometrical parameters

    inline float phiCh() const { return _PHICH; }

    inline float cellH() const { return _H; }

    inline float cellPitch() const { return _PITCH; }

    inline float distSL() const { return fabs(_ZSL[2]-_ZSL[0]); }

    inline float ZcenterSL() const { return 0.5*(_ZSL[2]+_ZSL[0]); } 

    float ZSL(int) const;

    inline int nCell(int sl) const {
      return (sl>0&&sl<=3)*_NCELL[sl-1]; 
    }

    // NEWGEOmetry update
    // int layerFEStaggering(int nsl, int nlay) const; 

    int mapTubeInFEch(int nsl, int nlay, int ntube) const; 

    float phiSLOffset();

    LocalPoint tubePosInCh(int nsl, int nlay, int ntube) const;

    int posFE(int sl) const;


    // Local and global position of a trigger object
    
    GlobalPoint toGlobal(const LocalPoint p) const { return _stat->surface().toGlobal(p); }

    GlobalVector toGlobal(const LocalVector v) const { return _stat->surface().toGlobal(v); }

    LocalPoint toLocal(const GlobalPoint p) const { return _stat->surface().toLocal(p); }

    LocalVector toLocal(const GlobalVector v) const { return _stat->surface().toLocal(v); }


    LocalPoint localPosition(const DTBtiId) const;


    LocalPoint localPosition(const DTTracoId) const;

    inline GlobalPoint CMSPosition(const DTBtiId obj) const { 
      return  toGlobal(localPosition(obj));
    }

    inline GlobalPoint CMSPosition(const DTTracoId obj) const { 
      return toGlobal(localPosition(obj)); 
    }

    void dumpGeom() const;

    void dumpLUT(short int btic);
    void IEEE32toDSP(float f, short int & DSPmantissa, short int & DSPexp);

  private:

    void getGeom();

  private:

    const DTChamber* _stat;     // Pointer to the chamber

    // geometrical parameters
    float _PHICH;       // angle of normal to the chamber in CMS frame (rad)
    float _H;           // height of a cell (cm)
    float _PITCH;       // width of a cell (cm)
    float _ZSL[3];      // Z coordinate of SL centers
    int _NCELL[3];      // number of cells (BTI) in SL each SL
    bool _debug;

};

#endif