TransformationFreeToBound.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2016-2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/Definitions/Algebra.hpp"
#include "Acts/Definitions/Tolerance.hpp"
#include "Acts/Definitions/TrackParametrization.hpp"
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Utilities/Result.hpp"

namespace Acts {

class Surface;

namespace detail {

Result<BoundVector> transformFreeToBoundParameters(
    const FreeVector& freeParams, const Surface& surface,
    const GeometryContext& geoCtx, ActsScalar tolerance = s_onSurfaceTolerance);

Result<BoundVector> transformFreeToBoundParameters(
    const Vector3& position, ActsScalar time, const Vector3& direction,
    ActsScalar qOverP, const Surface& surface, const GeometryContext& geoCtx,
    ActsScalar tolerance = s_onSurfaceTolerance);

BoundVector transformFreeToCurvilinearParameters(ActsScalar time,
                                                 const Vector3& direction,
                                                 ActsScalar qOverP);

BoundVector transformFreeToCurvilinearParameters(ActsScalar time,
                                                 ActsScalar phi,
                                                 ActsScalar theta,
                                                 ActsScalar qOverP);

}  // namespace detail
}  // namespace Acts