Geodesic.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __geometry_Geodesic_h__
#define __geometry_Geodesic_h__

namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief calculate surface distance between points

    @ingroup geometry

*//***************************************************************************/
class FE_DL_EXPORT Geodesic
{
    public:
    class FE_DL_EXPORT Mesh: public Counted
    {
        public:

                        Mesh(void);
    virtual             ~Mesh(void);

            void        populate(Array<F64>& a_rPoints,Array<U32>& a_rFaces);
            void*       rawMesh(void);

        private:
            void        clear(void);

            void*       m_pMesh;
    };

                    Geodesic(void);
                    ~Geodesic(void);

        sp<Mesh>    createMesh(Array<F64>& a_rPoints,Array<U32>& a_rFaces);

        void        setMesh(sp<Mesh> a_spMesh);
        sp<Mesh>    mesh(void);

        void        setSource(I32 a_sourceFaceIndex,
                            SpatialVector a_sourcePosition);
        void        setMaxDistance(Real a_maxDistance);

        Real        distanceTo(I32 a_targetFaceIndex,
                        SpatialVector a_targetPosition);

    private:

        void        clear(void);

        sp<Mesh>        m_spMesh;
        void*           m_pAlgorithm;

        I32             m_sourceFaceIndex;
        SpatialVector   m_sourcePosition;
        Real            m_maxDistance;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __geometry_Geodesic_h__ */