This repository has been archived on 2023-11-20. You can view files and clone it, but cannot push or open issues or pull requests.
foam-extend4.1-coherent-io/applications/utilities/mesh/manipulation/insideCells/insideCells.C
2010-08-25 22:42:57 +01:00

98 lines
2.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Description
Picks up cells with cell centre 'inside' of surface. Requires surface
to be closed and singly connected.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "polyMesh.H"
#include "triSurface.H"
#include "triSurfaceSearch.H"
#include "cellSet.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
Foam::argList::noParallel();
Foam::argList::validArgs.append("surface file");
Foam::argList::validArgs.append("destination cellSet");
# include "setRootCase.H"
# include "createTime.H"
# include "createPolyMesh.H"
fileName surfName(args.additionalArgs()[0]);
fileName setName(args.additionalArgs()[1]);
// Read surface
Info<< "Reading surface from " << surfName << endl;
triSurface surf(surfName);
// Destination cellSet.
cellSet insideCells(mesh, setName, IOobject::NO_READ);
// Construct search engine on surface
triSurfaceSearch querySurf(surf);
boolList inside(querySurf.calcInside(mesh.cellCentres()));
forAll(inside, cellI)
{
if (inside[cellI])
{
insideCells.insert(cellI);
}
}
Info<< "Selected " << insideCells.size()
<< " cells out of " << mesh.nCells() << endl
<< endl
<< "Writing selected cells to cellSet " << insideCells.name()
<< endl << endl
<< "Use this cellSet e.g. with subsetMesh : " << endl << endl
<< " subsetMesh <root> <case> " << insideCells.name()
<< endl << endl;
insideCells.write();
Info << "End\n" << endl;
return 0;
}
// ************************************************************************* //