/usr/include/freefoam/OpenFOAM/PatchToolsEdgeOwner.C 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/>.
\*---------------------------------------------------------------------------*/
#include "PatchTools.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
Foam::labelList
Foam::PatchTools::edgeOwner
(
const PrimitivePatch<Face, FaceList, PointField, PointType>& p
)
{
const edgeList& edges = p.edges();
const labelListList& edgeFaces = p.edgeFaces();
const List<Face>& localFaces = p.localFaces();
// create the owner list
labelList edgeOwner(edges.size(), -1);
forAll(edges, edgeI)
{
const labelList& nbrFaces = edgeFaces[edgeI];
if (nbrFaces.size() == 1)
{
edgeOwner[edgeI] = nbrFaces[0];
}
else
{
// Find the first face whose vertices are aligned with the edge.
// with multiply connected edges, this is the best we can do
forAll(nbrFaces, i)
{
const Face& f = localFaces[nbrFaces[i]];
if (f.edgeDirection(edges[edgeI]) > 0)
{
edgeOwner[edgeI] = nbrFaces[i];
break;
}
}
if (edgeOwner[edgeI] == -1)
{
FatalErrorIn
(
"PatchTools::edgeOwner()"
)
<< "Edge " << edgeI << " vertices:" << edges[edgeI]
<< " is used by faces " << nbrFaces
<< " vertices:"
<< UIndirectList<Face>(localFaces, nbrFaces)()
<< " none of which use the edge vertices in the same order"
<< nl << "I give up" << abort(FatalError);
}
}
}
return edgeOwner;
}
// ************************ vim: set sw=4 sts=4 et: ************************ //
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