triPoints.H 3.04 KB
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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
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    \\  /    A nd           | www.openfoam.com
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     \\/     M anipulation  |
-------------------------------------------------------------------------------
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    Copyright (C) 2015 OpenFOAM Foundation
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    Copyright (C) 2017-2020 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
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
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    Foam::triPoints
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Description
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    Triangle storage. Null constructable (unfortunately triangle<point, point>
    is not)

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

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#ifndef triPoints_H
#define triPoints_H
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#include "FixedList.H"
#include "treeBoundBox.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

/*---------------------------------------------------------------------------*\
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                          Class triPoints Declaration
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\*---------------------------------------------------------------------------*/

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class triPoints
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:
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    public FixedList<point, 3>
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{
public:

    // Constructors

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        //- Default construct
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        inline triPoints()
        {}

        //- Construct from points
        inline triPoints
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        (
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            const point& a,
            const point& b,
            const point& c
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        )
        {
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            operator[](0) = a;
            operator[](1) = b;
            operator[](2) = c;
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        }

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        //- Copy construct from subset of points
        inline triPoints
        (
            const UList<point>& points,
            const FixedList<label, 3>& indices
        )
        :
            FixedList<point, 3>(points, indices)
        {}

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    // Member Functions

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        //- Calculate the bounding box
        inline treeBoundBox bounds() const
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        {
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            treeBoundBox bb(operator[](0));
            for (label i = 1; i < size(); ++i)
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            {
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                bb.add(operator[](i));
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            }
            return bb;
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        }
};

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

} // End namespace Foam

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

#endif

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