91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2015 OpenFOAM Foundation
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Copyright (C) 2020 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "PolyhedronReader.H"
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// * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * * //
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template<class HDS>
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void Foam::PolyhedronReader::Build_triangle<HDS>::operator()(HDS& hds)
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{
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// Postcondition: hds is a valid polyhedral surface.
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CGAL::Polyhedron_incremental_builder_3<HDS> B(hds, true);
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B.begin_surface(s_.nPoints(), s_.size());
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typedef typename HDS::Vertex Vertex;
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typedef typename Vertex::Point Point;
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for (const auto& pt : s_.points())
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{
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B.add_vertex(Point(pt.x(), pt.y(), pt.z()));
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}
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for (const auto& f : s_)
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{
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B.begin_facet();
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for (const label verti : f)
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{
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B.add_vertex_to_facet(verti);
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}
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B.end_facet();
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}
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B.end_surface();
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::PolyhedronReader::PolyhedronReader(const triSurface& s, Polyhedron& p)
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{
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Build_triangle<HalfedgeDS> triangle(s);
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p.delegate(triangle);
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// Populate index and region
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Foam::label nTris = 0;
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for
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(
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Facet_iterator fi = p.facets_begin();
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fi != p.facets_end();
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++fi
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)
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{
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fi->index = nTris;
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fi->region = s[nTris].region();
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++nTris;
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}
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}
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// ************************************************************************* //
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