openfoam/applications/utilities/mesh/manipulation/insideCells/insideCells.C

96 lines
2.8 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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/>.
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[])
{
argList::noParallel();
argList::validArgs.append("surface file");
argList::validArgs.append("destination cellSet");
# include "setRootCase.H"
# include "createTime.H"
# include "createPolyMesh.H"
const fileName surfName = args[1];
const fileName setName = args[2];
// 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;
}
// ************************************************************************* //