1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
33 \*---------------------------------------------------------------------------*/
35 #ifndef intersection_H
36 #define intersection_H
39 #include "NamedEnum.H"
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 /*---------------------------------------------------------------------------*\
47 Class intersection Declaration
48 \*---------------------------------------------------------------------------*/
56 //- Relative tolerance for point in a plane.
57 // The tolerance is relative to the object size.
58 // Used to determine if a half-ray from a point in plane of triangle
59 // intersects the triangle or not.
60 static scalar planarTol_;
72 FULL_RAY, // Intersecting with full ray
73 HALF_RAY, // Intersecting with half ray
74 VISIBLE // Intersecting with the visible side
77 // Static Member Functions
80 static const NamedEnum<direction, 2> directionNames_;
82 //- Projection algorithm names
83 static const NamedEnum<algorithm, 3> algorithmNames_;
85 //- Return planar tolerance
86 static scalar planarTol()
91 //- Set the planar tolerance, returning the previous value
92 static scalar setPlanarTol(const scalar t)
98 "scalar intersection::setPlanarTol(const scalar t)"
99 ) << "Negative planar tolerance. This is not allowed."
100 << abort(FatalError);
103 scalar oldTol = planarTol_;
111 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
113 } // End namespace Foam
115 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
119 // ************************************************************************* //