pointData.H

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/*---------------------------------------------------------------------------*\
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   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    for more details.

    You should have received a copy of the GNU General Public License
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Class
    Foam::pointData

Description
    Holds information regarding nearest wall point. Used in pointEdgeWave.
    (so not standard meshWave)

    To be used in wall distance calculation.

SourceFiles
    pointDataI.H
    pointData.C

\*---------------------------------------------------------------------------*/

#ifndef pointData_H
#define pointData_H

#include <OpenFOAM/point.H>
#include <OpenFOAM/label.H>
#include <OpenFOAM/tensor.H>


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// Class forward declarations
class polyPatch;
class polyMesh;

/*---------------------------------------------------------------------------*\
                           Class pointData Declaration
\*---------------------------------------------------------------------------*/

class pointData
{
    // Private data

        //- position of nearest wall center
        point origin_;

        //- normal distance (squared) from point to origin
        scalar distSqr_;

        //- additional information.
        scalar s_;

        //- additional information.
        vector v_;


    // Private Member Functions

        //- Evaluate distance to point. Update distSqr, origin from whomever
        //  is nearer pt. Return true if w2 is closer to point,
        //  false otherwise.
        inline bool update
        (
            const point&,
            const pointData& w2,
            const scalar tol
        );

        //- Combine current with w2. Update distSqr, origin if w2 has smaller
        //  quantities and returns true.
        inline bool update
        (
            const pointData& w2,
            const scalar tol
        );

public:

    // Constructors

        //- Construct null
        inline pointData();

        //- Construct from origin, distance
        inline pointData
        (
            const point& origin,
            const scalar distSqr,
            const scalar s,
            const vector& v
        );

        //- Construct as copy
        inline pointData(const pointData&);


    // Member Functions

        // Access

            inline const point& origin() const;

            inline scalar distSqr() const;

            inline scalar s() const;

            inline const vector& v() const;


        // Needed by meshWave

            //- Check whether origin has been changed at all or
            //  still contains original (invalid) value.
            inline bool valid() const;

            //- Check for identical geometrical data. Used for cyclics checking.
            inline bool sameGeometry(const pointData&, const scalar tol)
             const;

            //- Convert origin to relative vector to leaving point
            //  (= point coordinate)
            inline void leaveDomain
            (
                const polyPatch& patch,
                const label patchPointI,
                const point& pos
            );

            //- Convert relative origin to absolute by adding entering point
            inline void enterDomain
            (
                const polyPatch& patch,
                const label patchPointI,
                const point& pos
            );

            //- Apply rotation matrix to origin
            inline void transform(const tensor& rotTensor);

            //- Influence of edge on point
            inline bool updatePoint
            (
                const polyMesh& mesh,
                const label pointI,
                const label edgeI,
                const pointData& edgeInfo,
                const scalar tol
            );

            //- Influence of different value on same point.
            //  Merge new and old info.
            inline bool updatePoint
            (
                const polyMesh& mesh,
                const label pointI,
                const pointData& newPointInfo,
                const scalar tol
            );

            //- Influence of different value on same point.
            //  No information about current position whatsoever.
            inline bool updatePoint
            (
                const pointData& newPointInfo,
                const scalar tol
            );

            //- Influence of point on edge.
            inline bool updateEdge
            (
                const polyMesh& mesh,
                const label edgeI,
                const label pointI,
                const pointData& pointInfo,
                const scalar tol
            );


    // Member Operators

        //Note: Used to determine whether to call update.
        inline bool operator==(const pointData&) const;

        inline bool operator!=(const pointData&) const;


    // IOstream Operators

        friend Ostream& operator<<(Ostream&, const pointData&);
        friend Istream& operator>>(Istream&, pointData&);
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "pointDataI.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

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