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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 "surfaceToPoint.H"
#include "polyMesh.H"
#include "triSurfaceSearch.H"
#include "triSurface.H"
#include "cpuTime.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
defineTypeNameAndDebug(surfaceToPoint, 0);
addToRunTimeSelectionTable(topoSetSource, surfaceToPoint, word);
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::surfaceToPoint::combine(topoSet& set, const bool add) const
{
cpuTime timer;
triSurface surf(surfName_);
Info<< " Read surface from " << surfName_
<< " in = "<< timer.cpuTimeIncrement() << " s" << endl << endl;
// Construct search engine on surface
triSurfaceSearch querySurf(surf);
if (includeInside_ || includeOutside_)
{
boolList pointInside(querySurf.calcInside(mesh_.points()));
forAll(pointInside, pointi)
{
bool isInside = pointInside[pointi];
if ((isInside && includeInside_) || (!isInside && includeOutside_))
{
addOrDelete(set, pointi, add);
}
}
}
if (nearDist_ > 0)
{
const pointField& meshPoints = mesh_.points();
// Box dimensions to search in octree.
const vector span(nearDist_, nearDist_, nearDist_);
forAll(meshPoints, pointi)
{
const point& pt = meshPoints[pointi];
pointIndexHit inter = querySurf.nearest(pt, span);
if (inter.hit() && (mag(inter.hitPoint() - pt) < nearDist_))
{
addOrDelete(set, pointi, add);
}
}
}
}
void Foam::surfaceToPoint::checkSettings() const
{
if (nearDist_ < 0 && !includeInside_ && !includeOutside_)
{
FatalErrorInFunction
<< "Illegal point selection specification."
<< " Result would be either all or no points." << endl
<< "Please set one of includeInside or includeOutside"
<< " to true, set nearDistance to a value > 0"
<< exit(FatalError);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::surfaceToPoint::surfaceToPoint
(
const polyMesh& mesh,
const fileName& surfName,
const scalar nearDist,
const bool includeInside,
const bool includeOutside
)
:
topoSetSource(mesh),
surfName_(surfName),
nearDist_(nearDist),
includeInside_(includeInside),
includeOutside_(includeOutside)
{
checkSettings();
}
Foam::surfaceToPoint::surfaceToPoint
(
const polyMesh& mesh,
const dictionary& dict
)
:
topoSetSource(mesh),
surfName_(fileName(dict.lookup("file")).expand()),
nearDist_(dict.lookup<scalar>("nearDistance", dimensions::length)),
includeInside_(readBool(dict.lookup("includeInside"))),
includeOutside_(readBool(dict.lookup("includeOutside")))
{
checkSettings();
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::surfaceToPoint::~surfaceToPoint()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::surfaceToPoint::applyToSet
(
const topoSetSource::setAction action,
topoSet& set
) const
{
if ( (action == topoSetSource::NEW) || (action == topoSetSource::ADD))
{
Info<< " Adding points in relation to surface " << surfName_
<< " ..." << endl;
combine(set, true);
}
else if (action == topoSetSource::DELETE)
{
Info<< " Removing points in relation to surface " << surfName_
<< " ..." << endl;
combine(set, false);
}
}
// ************************************************************************* //
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