UpstreamTaggerFactory.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
 
class GeoVPhysVol;
 
namespace SHiPGeometry {
 
class SHiPMaterials;
class SHiPUBTManager;
 
class UpstreamTaggerFactory {
   public:
    explicit UpstreamTaggerFactory(SHiPMaterials& materials);
    ~UpstreamTaggerFactory() = default;
 
    [[nodiscard]] GeoVPhysVol* build(SHiPUBTManager* manager = nullptr);
 
   private:
    SHiPMaterials& m_materials;
 
    // ── Container envelope (mm) ─────────────────────────────────────────
    // Kept identical to the GDML statbox (440 × 640 × 16 cm) used by the
    // previous monolithic slab so placement and the envelope-fit test
    // (halfX ≤ 2200, halfY ≤ 3200, halfZ ≤ 200) are unchanged.
    static constexpr double s_halfX = 2200.0;
    static constexpr double s_halfY = 3200.0;
    static constexpr double s_halfZ = 80.0;
 
    // ── Tile geometry (mm) ──────────────────────────────────────────────
    static constexpr double s_tileThickness = 10.0;  
    static constexpr double s_fineFace = 20.0;       
    static constexpr double s_coarseFace = 40.0;     
};
 
}  // namespace SHiPGeometry