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foam-extend4.1-coherent-io/applications/utilities/mesh/manipulation/flattenMesh/flattenMesh.C

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/*---------------------------------------------------------------------------*\
========= |
\\ / 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
Application
flattenMesh
Description
Flatten the front and back planes of a 2D cartesian mesh.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "polyMesh.H"
#include "emptyPolyPatch.H"
#include "twoDPointCorrector.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
# include "setRootCase.H"
# include "createTime.H"
# include "createPolyMesh.H"
pointIOField points
(
IOobject
(
"points",
runTime.findInstance(polyMesh::meshSubDir, "points"),
polyMesh::meshSubDir,
runTime,
IOobject::MUST_READ,
IOobject::NO_WRITE,
false
)
);
boundBox bb(points);
Info<< "bounding box: min = " << bb.min()
<< " max = " << bb.max() << " meters."
<< endl;
point midPoint = gAverage(points);
twoDPointCorrector twoDCorr(mesh);
direction planeNormalCmpt = twoDCorr.normalDir();
scalar midCmptVal = midPoint[planeNormalCmpt];
scalar minCmptVal = bb.min()[planeNormalCmpt];
scalar maxCmptVal = bb.max()[planeNormalCmpt];
forAll(points, pointI)
{
if (points[pointI][planeNormalCmpt] < midCmptVal)
{
points[pointI][planeNormalCmpt] = minCmptVal;
}
else
{
points[pointI][planeNormalCmpt] = maxCmptVal;
}
}
twoDCorr.correctPoints(points);
// Set the precision of the points data to 10
IOstream::defaultPrecision(10);
Info << "Writing points into directory " << points.path() << nl << endl;
points.write();
return(0);
}
// ************************************************************************* //