CalorimeterConfig.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright (C) CERN for the benefit of the SHiP Collaboration
 
#pragma once
 
#include <string>
#include <vector>
 
namespace SHiPGeometry {
 
enum class LayerCode : int {
    WidePVT_H = 1,   
    WidePVT_V = 2,   
    ThinPS_H = 3,    
    ThinPS_V = 4,    
    FibreHPL_Y = 5,  
    FibreHPL_X = 6,  
    Absorber = 7,    
    AirGap = 8,      
};
 
struct CalorimeterConfig {
    // ECAL layer sequence
    std::vector<int> layers;
 
    // Individual layer thicknesses (mm)
    double plate_xy_mm = 2160.0;
    double lead_thickness_mm = 3.0;
    double scint_thickness_mm = 10.0;
    double hpl_thickness_mm = 10.0;
    double fiber_diameter_mm = 1.2;
    double fiber_core_diameter_mm = -1.0;  // <0 → use fiber_diameter_mm
    double airgap_mm = 1000.0;
 
    // HCAL layer sequence and absorber thickness
    std::vector<int> layers2;
    double iron_thickness_mm = 170.0;
 
    // Gap between ECAL and HCAL stacks (mm)
    double gap_ecal_hcal_mm = 0.0;
 
    // Module tiling
    int module_nx = 1;
    int module_ny = 1;
    double module_pitch_x_mm = 0.0;  // 0 → use plate_xy_mm
    double module_pitch_y_mm = 0.0;  // 0 → use plate_xy_mm
 
    // If true, the layer stack is centred at z=0 in the container volume.
    bool center_stack = true;
};
 
CalorimeterConfig readCaloConfig(const std::string& path);
 
}  // namespace SHiPGeometry