EcalAbstractID.h

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#ifndef DETDESCR_ECALABSTRACTID_H_
#define DETDESCR_ECALABSTRACTID_H_
 
// LDMX
#include "DetDescr/DetectorID.h"
 
namespace ldmx {
 
class EcalAbstractID : public DetectorID {
 public:
  enum EcalCellType {
    PrecisionGlobal = 0,  // full-granularity cells, transformed to a uniform
                          // grid not alternating by layer
    PrecisionLocal = 1,   // full-granularity cells, labelled by their local
                          // coordinatate system as from DAQ
    TriggerCell = 2,      // trigger cells
    Special = 7           // common-mode, calibration cells, etc
  };
 
  static const RawValue CELL_TYPE_MASK{
      0x7};  // space for up to eight cell types
  static const RawValue CELL_TYPE_SHIFT{23};
  static const RawValue ECAL_PAYLOAD_MASK{0x007FFFFF};
 
  EcalAbstractID() : DetectorID(SD_ECAL, 0) {}
 
  EcalAbstractID(RawValue rawid) : DetectorID(rawid) {
    SUBDETECTORID_TEST("EcalAbstractID", SD_ECAL);
  }
 
  EcalAbstractID(const DetectorID id) : DetectorID(id) {
    SUBDETECTORID_TEST("EcalAbstractID", SD_ECAL);
  }
 
  EcalAbstractID(unsigned int cell_type, unsigned int payload)
      : DetectorID(SD_ECAL, 0) {
    id_ |= (cell_type & CELL_TYPE_MASK) << CELL_TYPE_SHIFT;
    id_ |= (payload & ECAL_PAYLOAD_MASK);
  }
 
  int cell_type() const { return (id_ >> CELL_TYPE_SHIFT) & CELL_TYPE_MASK; }
 
  int payload() const { return id_ & ECAL_PAYLOAD_MASK; }
};
 
}  // namespace ldmx
 
std::ostream& operator<<(std::ostream& s, const ldmx::EcalAbstractID& id);
 
#endif