EcalID.h

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#ifndef DETDESCR_ECALDETECTORID_H_
#define DETDESCR_ECALDETECTORID_H_
 
// LDMX
#include "DetDescr/EcalAbstractID.h"
 
namespace ldmx {
 
class EcalID : public EcalAbstractID {
 public:
  static const RawValue LAYER_MASK{0x3F};  // space for up to 64 layers
  static const RawValue LAYER_SHIFT{17};
  static const RawValue MODULE_MASK{0x1F};  // space for up to 32 modules/layer
  static const RawValue MODULE_SHIFT{12};
  static const RawValue CELL_MASK{0xFFF};  // space for 4096 cells/module (!)
  static const RawValue CELL_SHIFT{0};
 
  EcalID() : EcalAbstractID() {}
 
  EcalID(RawValue rawid) : EcalAbstractID(rawid) {
    if (!null() && cell_type() != PrecisionGlobal &&
        cell_type() != PrecisionLocal) {
      EXCEPTION_RAISE(
          "DetectorIDMismatch",
          "Attempted to create EcalID from mismatched Ecal cell_type " +
              std::to_string(cell_type()));
    }
  }
 
  EcalID(const DetectorID id) : EcalAbstractID(id) {
    if (!null() && cell_type() != PrecisionGlobal &&
        cell_type() != PrecisionLocal) {
      EXCEPTION_RAISE(
          "DetectorIDMismatch",
          "Attempted to create EcalID from mismatched Ecal cell_type " +
              std::to_string(cell_type()));
    }
  }
 
  EcalID(unsigned int layer, unsigned int module, unsigned int cell)
      : EcalAbstractID(PrecisionGlobal, 0) {
    id_ |= (layer & LAYER_MASK) << LAYER_SHIFT;
    id_ |= (module & MODULE_MASK) << MODULE_SHIFT;
    id_ |= (cell & CELL_MASK) << CELL_SHIFT;
  }
 
  EcalID(unsigned int layer, unsigned int module, unsigned int u,
         unsigned int v);
 
  EcalID(unsigned int layer, unsigned int module,
         std::pair<unsigned int, unsigned int> uv)
      : EcalID(layer, module, uv.first, uv.second) {}
 
  int module() const { return (id_ >> MODULE_SHIFT) & MODULE_MASK; }
 
  int getModuleID() const { return (id_ >> MODULE_SHIFT) & MODULE_MASK; }
 
  int layer() const { return (id_ >> LAYER_SHIFT) & LAYER_MASK; }
 
  int getLayerID() const { return (id_ >> LAYER_SHIFT) & LAYER_MASK; }
 
  int cell() const { return (id_ >> CELL_SHIFT) & CELL_MASK; }
 
  int getCellID() const { return (id_ >> CELL_SHIFT) & CELL_MASK; }
 
  std::pair<unsigned int, unsigned int> getCellUV() const;
 
  static void createInterpreters();
};
 
}  // namespace ldmx
 
std::ostream& operator<<(std::ostream&, const ldmx::EcalID&);
 
#endif