PolyhedronReaderTemplates.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
     \\/     M anipulation  |
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License
    This file is part of OpenFOAM.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "PolyhedronReader.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
template<class HDS>
Foam::PolyhedronReader::Build_triangle<HDS>::Build_triangle
(
    const triSurface& s
)
:
    s_(s)
{}
 
 
// * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * * //
 
template<class HDS>
void Foam::PolyhedronReader::Build_triangle<HDS>::operator()(HDS& hds)
{
    // Postcondition: hds is a valid polyhedral surface.
    CGAL::Polyhedron_incremental_builder_3<HDS> B(hds, true);
 
    B.begin_surface(s_.nPoints(), s_.size());
 
    typedef typename HDS::Vertex Vertex;
    typedef typename Vertex::Point Point;
 
    const Foam::pointField& pts = s_.points();
    forAll(pts, i)
    {
        const Foam::point& pt = pts[i];
        B.add_vertex(Point(pt.x(), pt.y(), pt.z()));
    }
    forAll(s_, i)
    {
        const Foam::labelledTri& t = s_[i];
        B.begin_facet();
        B.add_vertex_to_facet(t[0]);
        B.add_vertex_to_facet(t[1]);
        B.add_vertex_to_facet(t[2]);
        B.end_facet();
    }
    B.end_surface();
}
 
 
// ************************************************************************* //