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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ 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::intersection
Description
Foam::intersection
SourceFiles
intersection.C
\*---------------------------------------------------------------------------*/
#ifndef intersection_H
#define intersection_H
#include "scalar.H"
#include "NamedEnum.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class intersection Declaration
\*---------------------------------------------------------------------------*/
class intersection
{
// Static data
//- Relative tolerance for point in a plane.
// The tolerance is relative to the object size.
// Used to determine if a half-ray from a point in plane of triangle
// intersects the triangle or not.
static scalar planarTol_;
public:
enum class direction
{
vector,
contactSphere
};
enum class algorithm
{
fullRay, // Intersecting with full ray
halfRay, // Intersecting with half ray
visible // Intersecting with the visible side
};
// Static Member Functions
//- Direction names
static const NamedEnum<direction, 2> directionNames_;
//- Projection algorithm names
static const NamedEnum<algorithm, 3> algorithmNames_;
//- Return planar tolerance
static scalar planarTol()
{
return planarTol_;
}
//- Set the planar tolerance, returning the previous value
static scalar setPlanarTol(const scalar t)
{
if (t < -vSmall)
{
FatalErrorInFunction << abort(FatalError);
}
scalar oldTol = planarTol_;
planarTol_ = t;
return oldTol;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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