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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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/>.
\*---------------------------------------------------------------------------*/
#include "primitiveMeshCheck.H"
#include "SortableList.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
bool Foam::meshCheck::checkPointNearness
(
const primitiveMesh& mesh,
const bool report,
const scalar reportDistSqr,
labelHashSet* setPtr
)
{
const pointField& points = mesh.points();
// Sort points
SortableList<scalar> sortedMag(eval(magSqr(points)));
label nClose = 0;
for (label i = 1; i < sortedMag.size(); i++)
{
label pti = sortedMag.indices()[i];
// Compare pti to any previous points with similar sortedMag
for
(
label j = i-1;
j >= 0 && (sortedMag[j] > sortedMag[i]-reportDistSqr);
--j
)
{
label prevPtI = sortedMag.indices()[j];
if (magSqr(points[pti] - points[prevPtI]) < reportDistSqr)
{
nClose++;
if (setPtr)
{
setPtr->insert(pti);
setPtr->insert(prevPtI);
}
}
}
}
reduce(nClose, sumOp());
if (nClose > 0)
{
if (report)
{
Info<< " <<Points closer than " << Foam::sqrt(reportDistSqr)
<< " together found, number: " << nClose
<< endl;
}
return true;
}
else
{
return false;
}
}
// ************************************************************************* //
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