BmnRun8DetModel.h

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/*
    BM@N alignment routine
    BM@N experiment at NICA complex, JINR, 2025
 
    Department: Math & Soft Group of HEP lab
    Author:     Igor Polev, polev@jinr.ru
 
    BmnRun8DetModel class declaration
    Run8 representation of detector elements via encoding
*/
 
#ifndef BMNRUN8DETMODEL_H
#define BMNRUN8DETMODEL_H
 
#include "BmnDetectorList.h"
#include "BmnDetectorModel.h"
 
/*
 *  Detector elements enumeration scheme
 *
 *  SystemID  - fixed constatns defined in BmnDetectorList.h
 *  StationID - sequence across all systems starting from 0 or 1 (currently 1)
 *  ModuleID  - separate sequence for each station starting from 0 or 1 (currently 1)
 */
 
class BmnRun8DetModel : public BmnDetectorModel
{
  protected:
    Int_t fSystem{-1}, fStation{-1}, fModule{-1};
 
    enum
    {
        kFirst,
        kLast
    };
    // Run8 configuration definition
    constexpr static const Int_t SIL_SYSTEM_ID{DetectorId::kSILICON}, GEM_SYSTEM_ID{DetectorId::kGEM},
        SIL_STATION_CNT{4}, GEM_STATION_CNT{7}, STA_NUM_START{1},   // first station number (0 or 1)
        MOD_NUM_START{1},                                           // first module number for each station  (0 or 1)
        // stations have one common index range, silicons first, then GEMs
        SIL_STATION_IDX[2]{STA_NUM_START, STA_NUM_START + SIL_STATION_CNT - 1},
        GEM_STATION_IDX[2]{SIL_STATION_IDX[kLast] + 1, SIL_STATION_IDX[kLast] + GEM_STATION_CNT},
        SIL_MODULES[SIL_STATION_CNT]{6, 10, 14, 18}, GEM_MODULES[GEM_STATION_CNT]{8, 8, 8, 8, 8, 8, 8};
    // In GEM stations each second module is a "hot zone".
    // Hot zones should not be aligned independently.
 
    // detector modules enumeration: see base class
    virtual void Reset() noexcept override;
    virtual Int_t NextID() noexcept override;
 
  public:
    virtual Int_t MaxModulesInStation() const noexcept override;
    virtual Int_t Alignables() const noexcept override;
    virtual Int_t IDfromHit(Int_t HitDetectorID) const noexcept override;
 
    BmnRun8DetModel() = default;
};
 
#endif   // BMNRUN8DETMODEL_H