ITrackingGeometryBuilder.h

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef ALICEO2_ACTS_ITRACKINGGEOMETRYBUILDER_H
#define ALICEO2_ACTS_ITRACKINGGEOMETRYBUILDER_H
 
#include <memory>
#include <vector>
 
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Geometry/TrackingGeometry.hpp"
#include "Acts/Surfaces/SurfacePlacementBase.hpp"
 
#include "ACTSInterface/SurfaceIndexMap.h"
 
class TGeoManager;
 
namespace o2::acts
{
 
struct TrackingGeometryOutput {
  std::shared_ptr<Acts::TrackingGeometry> geometry;
 
  std::vector<std::shared_ptr<const Acts::SurfacePlacementBase>> elementStore;
 
  SurfaceIndexMap index;
};
 
class ITrackingGeometryBuilder
{
 public:
  virtual ~ITrackingGeometryBuilder() = default;
 
  virtual TrackingGeometryOutput build(TGeoManager& tgeo, const Acts::GeometryContext& gctx) = 0;
 
  virtual const char* getName() const = 0;
};
 
} // namespace o2::acts
 
#endif // ALICEO2_ACTS_ITRACKINGGEOMETRYBUILDER_H