openfoam/applications/utilities/surface/surfaceRefineRedGreen/surfaceRefineRedGreen.C

99 lines
2.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2013 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/>.
Application
surfaceRefineRedGreen
Group
grpSurfaceUtilities
Description
Refine by splitting all three edges of triangle ('red' refinement).
Neighbouring triangles (which are not marked for refinement get split
in half ('green' refinement).
Reference:
\verbatim
R. Verfuerth, "A review of a posteriori
error estimation and adaptive mesh refinement techniques",
Wiley-Teubner, 1996)
\endverbatim
\*---------------------------------------------------------------------------*/
#include "triSurface.H"
#include "triSurfaceTools.H"
#include "argList.H"
#include "OFstream.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
argList::addNote
(
"Refine by splitting all three edges of triangle"
);
argList::noParallel();
argList::addArgument("input", "The input surface file");
argList::addArgument("output", "The output surface file");
argList args(argc, argv);
const fileName surfFileName = args[1];
const fileName outFileName = args[2];
Info<< "Reading surface from " << surfFileName << " ..." << endl;
triSurface surf1(surfFileName);
// Refine
triSurface surf2 = triSurfaceTools::redGreenRefine
(
surf1,
identity(surf1.size()) //Hack: refine all
);
Info<< "Original surface:" << endl
<< " triangles :" << surf1.size() << endl
<< " vertices(used):" << surf1.nPoints() << endl
<< "Refined surface:" << endl
<< " triangles :" << surf2.size() << endl
<< " vertices(used):" << surf2.nPoints() << endl << endl;
Info<< "Writing refined surface to " << outFileName << " ..." << endl;
surf2.write(outFileName);
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //