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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2023 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 "wallFace.H"
#include "polyMesh.H"
#include "transformer.H"
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
template<class TrackingData>
inline bool Foam::wallFace::update
(
const point& pt,
const wallFace& w2,
const scalar tol,
TrackingData& td
)
{
const scalar dist2 =
sqr
(
face(identityMap(w2.points().size()))
.nearestPoint(pt, w2.points())
.distance()
);
if (valid(td))
{
scalar diff = distSqr() - dist2;
if (diff < 0)
{
// already nearer to pt
return false;
}
if ((diff < small) || ((distSqr() > small) && (diff/distSqr() < tol)))
{
// don't propagate small changes
return false;
}
}
// Either *this is not yet valid or w2 is closer
distSqr() = dist2;
points() = w2.points();
return true;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
inline Foam::wallFace::wallFace()
:
points_(0),
distSqr_(-great)
{}
inline Foam::wallFace::wallFace
(
const face& f,
const pointField& points,
const scalar distSqr
)
:
points_(f.points(points)),
distSqr_(distSqr)
{}
inline Foam::wallFace::wallFace
(
const face& f,
const pointField& points,
const point& centre,
const scalar distSqr
)
:
points_(f.points(points)),
distSqr_(distSqr)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
inline const Foam::pointField& Foam::wallFace::points() const
{
return points_;
}
inline Foam::pointField& Foam::wallFace::points()
{
return points_;
}
inline Foam::scalar Foam::wallFace::distSqr() const
{
return distSqr_;
}
inline Foam::scalar& Foam::wallFace::distSqr()
{
return distSqr_;
}
template<class TrackingData>
inline Foam::scalar Foam::wallFace::dist(TrackingData& td) const
{
return valid(td) ? sqrt(distSqr_) : great;
}
template<class TrackingData>
inline bool Foam::wallFace::valid(TrackingData& td) const
{
return distSqr_ > -small;
}
template<class TrackingData>
inline bool Foam::wallFace::sameGeometry
(
const wallFace& w2,
const scalar tol,
TrackingData& td
) const
{
const scalar diff = mag(distSqr() - w2.distSqr());
return
diff < small
|| ((distSqr() > small) && (diff/distSqr() < tol));
}
template<class TrackingData>
inline void Foam::wallFace::transform
(
const transformer& transform,
TrackingData& td
)
{
// Note that distSqr_ is not affected by crossing an interface
transform.transformPosition(points_, points_);
}
template<class TrackingData>
inline bool Foam::wallFace::equal
(
const wallFace& rhs,
TrackingData& td
) const
{
return operator==(rhs);
}
// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
inline bool Foam::wallFace::operator==
(
const Foam::wallFace& rhs
) const
{
return points() == rhs.points();
}
inline bool Foam::wallFace::operator!=
(
const Foam::wallFace& rhs
) const
{
return !(*this == rhs);
}
// * * * * * * * * * * * * * * * Friend Operators * * * * * * * * * * * * * //
inline Foam::Ostream& Foam::operator<<(Ostream& os, const wallFace& w)
{
return os << w.points() << token::SPACE << w.distSqr();
}
inline Foam::Istream& Foam::operator>>(Istream& is, wallFace& w)
{
return is >> w.points() >> w.distSqr();
}
// ************************************************************************* //
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