NeutrinoDetectorFactory.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 GeoPhysVol;
 
namespace SHiPGeometry {
 
class SHiPMaterials;
 
class NeutrinoDetectorFactory {
   public:
    explicit NeutrinoDetectorFactory(SHiPMaterials& materials);
 
    ~NeutrinoDetectorFactory() = default;
 
    [[nodiscard]] GeoPhysVol* build();
 
   private:
    SHiPMaterials& m_materials;
 
    // ── Container envelope (mm) ─────────────────────────────────────────
    // Box approximation of the frustum SND envelope, sized to the largest
    // (downstream) half-width/height and the full 5.10 m length.
    static constexpr double s_halfX = 400.0;
    static constexpr double s_halfY = 400.0;
    static constexpr double s_halfZ = 2550.0;
};
 
}  // namespace SHiPGeometry