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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2019 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/>.
Description
Orders the local points on the patch for most efficient search
\*---------------------------------------------------------------------------*/
#include "SLList.H"
#include "boolList.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template<class FaceList, class PointField>
void Foam::PrimitivePatch<FaceList, PointField>::calcLocalPointOrder() const
{
// Note: Cannot use bandCompressing as point-point addressing does
// not exist and is not considered generally useful.
//
if (debug)
{
Pout<< "PrimitivePatch<FaceList, PointField>::"
<< "calcLocalPointOrder() : "
<< "calculating local point order"
<< endl;
}
if (localPointOrderPtr_)
{
// it is considered an error to attempt to recalculate
// if already allocated
FatalErrorInFunction
<< "local point order already calculated"
<< abort(FatalError);
}
const List<FaceType>& lf = localFaces();
const labelListList& ff = faceFaces();
boolList visitedFace(lf.size(), false);
localPointOrderPtr_ = new labelList(meshPoints().size(), -1);
labelList& pointOrder = *localPointOrderPtr_;
boolList visitedPoint(pointOrder.size(), false);
label nPoints = 0;
forAll(lf, facei)
{
if (!visitedFace[facei])
{
SLList<label> faceOrder(facei);
do
{
const label curFace = faceOrder.first();
faceOrder.removeHead();
if (!visitedFace[curFace])
{
visitedFace[curFace] = true;
const labelList& curPoints = lf[curFace];
// mark points
forAll(curPoints, pointi)
{
if (!visitedPoint[curPoints[pointi]])
{
visitedPoint[curPoints[pointi]] = true;
pointOrder[nPoints] = curPoints[pointi];
nPoints++;
}
}
// add face neighbours to the list
const labelList& nbrs = ff[curFace];
forAll(nbrs, nbrI)
{
if (!visitedFace[nbrs[nbrI]])
{
faceOrder.append(nbrs[nbrI]);
}
}
}
} while (faceOrder.size());
}
}
if (debug)
{
Pout<< "PrimitivePatch<FaceList, PointField>::"
<< "calcLocalPointOrder() "
<< "finished calculating local point order"
<< endl;
}
}
// ************************************************************************* //
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