ETLDetId.h

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#ifndef DataFormats_ETLDetId_ETLDetId_h
#define DataFormats_ETLDetId_ETLDetId_h
 
#include "DataFormats/ForwardDetId/interface/MTDDetId.h"
#include <ostream>
 
class ETLDetId : public MTDDetId {
public:
  static const uint32_t kETLmoduleOffset = 7;
  static const uint32_t kETLmoduleMask = 0x1FF;
  static const uint32_t kETLmodTypeOffset = 5;
  static const uint32_t kETLmodTypeMask = 0x3;
 
  static constexpr int kETLv1maxRing = 11;
  static constexpr int kETLv1maxModule = 176;
  static constexpr int kETLv1nDisc = 1;
 
  static const uint32_t kETLnDiscOffset = 3;
  static const uint32_t kETLnDiscMask = 0x1;
  static const uint32_t kETLdiscSideOffset = 2;
  static const uint32_t kETLdiscSideMask = 0x1;
  static const uint32_t kETLsectorMask = 0x3;
 
  static constexpr int kETLv4maxRing = 16;
  static constexpr int kETLv4maxModule = 248;
  static constexpr int kETLv4nDisc = 2;
 
  static constexpr uint32_t kSoff = 4;
 
  // ---------- Constructors, enumerated types ----------
 
  ETLDetId() : MTDDetId(DetId::Forward, ForwardSubdetector::FastTime) {
    id_ |= (MTDType::ETL & kMTDsubdMask) << kMTDsubdOffset;
  }
 
  ETLDetId(const uint32_t& raw_id) : MTDDetId(raw_id) { ; }
 
  ETLDetId(const DetId& det_id) : MTDDetId(det_id.rawId()) { ; }
 
  ETLDetId(uint32_t zside, uint32_t ring, uint32_t module, uint32_t modtyp)
      : MTDDetId(DetId::Forward, ForwardSubdetector::FastTime) {
    id_ |= (MTDType::ETL & kMTDsubdMask) << kMTDsubdOffset | (zside & kZsideMask) << kZsideOffset |
           (ring & kRodRingMask) << kRodRingOffset | (module & kETLmoduleMask) << kETLmoduleOffset |
           (modtyp & kETLmodTypeMask) << kETLmodTypeOffset;
  }
 
  inline uint32_t encodeSector(uint32_t& disc, uint32_t& discside, uint32_t& sector) const {
    return (sector + discside * kSoff + 2 * kSoff * disc);
  }
 
  ETLDetId(uint32_t zside, uint32_t disc, uint32_t discside, uint32_t sector, uint32_t module, uint32_t modtyp)
      : MTDDetId(DetId::Forward, ForwardSubdetector::FastTime) {
    id_ |= (MTDType::ETL & kMTDsubdMask) << kMTDsubdOffset | (zside & kZsideMask) << kZsideOffset |
           (encodeSector(disc, discside, sector) & kRodRingMask) << kRodRingOffset |
           (module & kETLmoduleMask) << kETLmoduleOffset | (modtyp & kETLmodTypeMask) << kETLmodTypeOffset;
  }
 
  // ---------- Common methods ----------
 
  inline int module() const { return (id_ >> kETLmoduleOffset) & kETLmoduleMask; }
 
  inline int modType() const { return (id_ >> kETLmodTypeOffset) & kETLmodTypeMask; }
 
  ETLDetId geographicalId() const { return id_; }
 
  // --------- Methods for the TDR ETL model only -----------
  // meaningless for TP model
 
  // starting from 1
  inline int sector() const { return ((((id_ >> kRodRingOffset) & kRodRingMask) - 1) & kETLsectorMask) + 1; }
 
  // 0 = front, 1 = back
  inline int discSide() const {
    return ((((id_ >> kRodRingOffset) & kRodRingMask) - 1) >> kETLdiscSideOffset) & kETLdiscSideMask;
  }
 
  // starting from 1
  inline int nDisc() const {
    return (((((id_ >> kRodRingOffset) & kRodRingMask) - 1) >> kETLnDiscOffset) & kETLnDiscMask) + 1;
  }
};
 
std::ostream& operator<<(std::ostream&, const ETLDetId&);
 
#endif  // DataFormats_ETLDetId_ETLDetId_h