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#ifndef L1CALOREGIONDETID_H
#define L1CALOREGIONDETID_H
#include "DataFormats/DetId/interface/DetId.h"
/** \class L1CaloRegionDetId
* Cell identifier class for L1 Calo Trigger Regions (4x4 trigger tower sums)
*
* \author Jim Brooke
*/
/**
* Stores eta value in bits 4-0, phi value in bits 9-5
*
*
*/
class L1CaloRegionDetId : public DetId {
public:
static const unsigned N_PHI = 18;
static const unsigned N_ETA = 22;
/// create null id
L1CaloRegionDetId();
/// create id from raw data (0=invalid code?)
L1CaloRegionDetId(uint32_t rawid);
/// create id from global eta, phi indices (eta=0-21, phi=0-17)
L1CaloRegionDetId(unsigned ieta, unsigned iphi);
/// create id from RCT crate, RCT card, RCT region (within card)
/// icard=999 is used to indicate HF regions
L1CaloRegionDetId(unsigned icrate, unsigned icard, unsigned irgn);
/// global eta index (0-21)
unsigned ieta() const { return id_ & 0x1f; }
/// global phi index (0-17)
unsigned iphi() const { return (id_ >> 5) & 0x1f; }
/// return central or forward type
bool isHf() const { return (ieta() < 4 || ieta() > 17); }
/// return RCT crate number (0-17)
unsigned rctCrate() const;
/// return RCT card number (0-6)
unsigned rctCard() const;
/// return RCT region index (0-1 for barrel, 0-7 for HF)
unsigned rctRegion() const;
/// return local RCT eta index (0-10)
unsigned rctEta() const { return (ieta() < 11 ? 10 - ieta() : ieta() - 11); }
/// return local RCT phi index (0-1)
unsigned rctPhi() const { return (iphi() % 2); }
};
#endif
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