RoadInfoElevation.h

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// Copyright (c) 2026 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#pragma once
 
#include "carla/road/element/RoadInfo.h"
#include "carla/geom/CubicPolynomial.h"
 
namespace carla {
namespace road {
namespace element {
 
  class RoadInfoElevation final : public RoadInfo {
  public:
 
    RoadInfoElevation(
        double s,
        double a, // elevation
        double b, // slope
        double c, // vertical_curvature
        double d) // curvature_change
      : RoadInfo(s),
        _elevation(a, b, c, d, s) {}
 
    void AcceptVisitor(RoadInfoVisitor &v) final {
      v.Visit(*this);
    }
 
    /// @todo unused? you can use the polynomial directly.
    double Evaluate(const double dist, double &out_tan) const {
      out_tan = _elevation.Tangent(dist);
      return _elevation.Evaluate(dist);
    }
 
    const geom::CubicPolynomial &GetPolynomial() const {
      return _elevation;
    }
 
  private:
 
    const geom::CubicPolynomial _elevation;
  };
 
} // namespace element
} // namespace road
} // namespace carla