/data/refman/pasoursint/CMSSW_4_1_8_patch9/src/DataFormats/SiStripDetId/interface/TIDDetId.h

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#ifndef DataFormats_SiStripDetId_TIDDetId_H
#define DataFormats_SiStripDetId_TIDDetId_H

#include <ostream>
#include <vector>
#include "DataFormats/SiStripDetId/interface/SiStripDetId.h"
#include "DataFormats/SiStripDetId/interface/StripSubdetector.h"

class TIDDetId;

std::ostream& operator<<(std::ostream& os,const TIDDetId& id);

class TIDDetId : public SiStripDetId {
 public:
  TIDDetId();
  TIDDetId(uint32_t rawid);
  TIDDetId(const DetId& id); 
  
  TIDDetId(uint32_t side,
           uint32_t wheel,
           uint32_t ring,
           uint32_t module_fw_bw,
           uint32_t module,
           uint32_t ster) : SiStripDetId(DetId::Tracker,StripSubdetector::TID){
    id_ |= (side& sideMask_)      << sideStartBit_    |
      (wheel& wheelMask_)          << wheelStartBit_      |
      (ring& ringMask_)            << ringStartBit_       |
      (module_fw_bw& module_fw_bwMask_)  << module_fw_bwStartBit_  |
      (module& moduleMask_)              << moduleStartBit_        |
      (ster& sterMask_)            << sterStartBit_ ;
  }
  
  

  unsigned int side() const{
    return int((id_>>sideStartBit_) & sideMask_);
  }
  
  unsigned int wheel() const{
    return int((id_>>wheelStartBit_) & wheelMask_);
  }
  
  unsigned int ring() const
    { return ((id_>>ringStartBit_) & ringMask_) ;}
  

  std::vector<unsigned int> module() const
    { std::vector<unsigned int> num;
      num.push_back( order() );
      num.push_back( moduleNumber() );
      return num ;}
  
  unsigned int order() const 
  { return ((id_>>module_fw_bwStartBit_) & module_fw_bwMask_);}

  bool isDoubleSide() const;
  
  bool isZPlusSide() const
  { return (!isZMinusSide());}
  
  bool isZMinusSide() const
  { return (side()==1);}
  
  bool isBackRing() const
  { return (order()==1);}
  
  bool isFrontRing() const
  { return (!isBackRing());}
  
  unsigned int diskNumber() const
  { return wheel();}
  
  unsigned int ringNumber() const
  { return ring();}
  
  unsigned int moduleNumber() const
  { return ((id_>>moduleStartBit_) & moduleMask_);}
  
  bool isRPhi()
  { return (stereo() == 0 && !isDoubleSide());}
  
  bool isStereo()
  { return (stereo() != 0 && !isDoubleSide());}
  
private:
  static const unsigned int sideStartBit_=          13;
  static const unsigned int wheelStartBit_=         11;
  static const unsigned int ringStartBit_=          9;
  static const unsigned int module_fw_bwStartBit_=  7;
  static const unsigned int moduleStartBit_=        2;
  static const unsigned int sterStartBit_=          0;
  static const unsigned int sideMask_=           0x3;
  static const unsigned int wheelMask_=          0x3;
  static const unsigned int ringMask_=           0x3;
  static const unsigned int module_fw_bwMask_=   0x3;
  static const unsigned int moduleMask_=         0x1F;
  static const unsigned int sterMask_=           0x3;
};


#endif