/usr/include/freefoam/OpenFOAM/line.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
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
Foam::line
Description
A line primitive.
SourceFiles
lineI.H
\*---------------------------------------------------------------------------*/
#ifndef line_H
#define line_H
#include <OpenFOAM/vector.H>
#include <OpenFOAM/PointHit_.H>
#include <OpenFOAM/point2D.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class Istream;
class Ostream;
// Forward declaration of friend functions and operators
template<class Point, class PointRef> class line;
template<class Point, class PointRef>
inline Istream& operator>>(Istream&, line<Point, PointRef>&);
template<class Point, class PointRef>
inline Ostream& operator<<(Ostream&, const line<Point, PointRef>&);
/*---------------------------------------------------------------------------*\
Class line Declaration
\*---------------------------------------------------------------------------*/
template<class Point, class PointRef>
class line
{
// Private data
PointRef a_, b_;
public:
// Constructors
//- Construct from two points
inline line(const Point& start, const Point& end);
//- Construct from Istream
inline line(Istream&);
// Member functions
// Access
//- Return first vertex
inline PointRef start() const;
//- Return second vertex
inline PointRef end() const;
// Properties
//- Return centre (centroid)
inline Point centre() const;
//- Return scalar magnitude
inline scalar mag() const;
//- Return start-end vector
inline Point vec() const;
//- Return nearest distance to line from a given point
// If the nearest point is on the line, return a hit
PointHit<Point> nearestDist(const Point& p) const;
//- Return nearest distance from line to line. Returns distance
// and sets both points (one on *this, one on the provided
// linePointRef.
scalar nearestDist
(
const line<Point, const Point&>& edge,
Point& thisPoint,
Point& edgePoint
) const;
// Ostream operator
friend Istream& operator>> <Point, PointRef>
(
Istream&,
line&
);
friend Ostream& operator<< <Point, PointRef>
(
Ostream&,
const line&
);
};
//- 2D specialisation
template<>
scalar line<point2D, const point2D&>::nearestDist
(
const line<point2D, const point2D&>& edge,
point2D& thisPoint,
point2D& edgePoint
) const;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include <OpenFOAM/lineI.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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