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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2021-2023 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 "triIntersect.H"
#include "vtkWritePolyData.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<class PointField>
void Foam::triIntersect::writePolygon
(
const word& name,
const PointField& ps
)
{
Info<< indent << "Writing face to " << name + ".vtk" << endl;
vtkWritePolyData::write
(
name + ".vtk",
name,
false,
ps,
labelList(),
labelListList(),
labelListList(1, identityMap(ps.size()))
);
}
template<class Type>
Type Foam::triIntersect::srcTriInterpolate
(
const barycentric2D& y,
const FixedList<Type, 3>& srcPsis
)
{
const label yMini = findMin(y);
// Inside the triangle
if (y[yMini] >= 0)
{
return y[0]*srcPsis[0] + y[1]*srcPsis[1] + y[2]*srcPsis[2];
}
barycentric2D z(y);
z[yMini] = vGreat;
const label yMidi = findMin(z);
// Outside an edge
if (y[yMidi] >= 0)
{
const label yi0 = (yMini + 1) % 3, yi1 = (yi0 + 1) % 3;
return (y[yi0]*srcPsis[yi0] + y[yi1]*srcPsis[yi1])/(y[yi0] + y[yi1]);
}
const label yMaxi = findMax(y);
// Outside a corner
return srcPsis[yMaxi];
}
template<class Type>
Type Foam::triIntersect::tgtTriInterpolate
(
const barycentric2D& y,
const FixedList<Type, 3>& tgtPsis
)
{
return y.a()*tgtPsis[0] + y.b()*tgtPsis[1] + y.c()*tgtPsis[2];
}
// ************************************************************************* //
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