scaleSurfaceMesh.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | cfMesh: A library for mesh generation
   \\    /   O peration     |
    \\  /    A nd           | Author: Franjo Juretic (franjo.juretic@c-fields.com)
     \\/     M anipulation  | Copyright (C) Creative Fields, Ltd.
-------------------------------------------------------------------------------
License
    This file is part of cfMesh.
 
    cfMesh 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.
 
    cfMesh 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 cfMesh.  If not, see <http://www.gnu.org/licenses/>.
 
Description
    Scales surface vertices by a precribed factor.
 
\*---------------------------------------------------------------------------*/
 
#include "argList.H"
#include "IFstream.H"
#include "fileName.H"
#include "triSurf.H"
#include "triSurfModifier.H"
#include "helperFunctions.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
using namespace Foam;
 
int main(int argc, char *argv[])
{
    argList::noParallel();
    argList::validArgs.clear();
    argList::validArgs.append("input surface file");
    argList::validArgs.append("output surface file");
    argList::validArgs.append("scalingFactor");
    argList args(argc, argv);
 
    const fileName inFileName(args.args()[1]);
    const fileName outFileName(args.args()[2]);
    const scalar scalingFactor(help::textToScalar(args.args()[3]));
 
    //- read the surface mesh
    triSurf surface(inFileName);
    triSurfModifier sMod(surface);
    pointField& pts = sMod.pointsAccess();
 
    //- scales the vertices
    # ifdef USE_OMP
    # pragma omp parallel for schedule(dynamic, 100)
    # endif
    forAll(pts, pointI)
        pts[pointI] *= scalingFactor;
 
    //- write the mesh back on disk
    surface.writeSurface(outFileName);
 
    Info << "End\n" << endl;
 
    return 0;
}
 
 
// ************************************************************************* //