Commit b07d2388 authored by Franjo's avatar Franjo

FMS to surface conversion

parent 9feddcc6
/*---------------------------------------------------------------------------*\
========= |
\\ / 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
Creates surface patches from surface subsets
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "triSurf.H"
#include "triSurfaceCopyParts.H"
#include "demandDrivenData.H"
#include "OFstream.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void exportFeatureEdges
(
const triSurf& origSurf,
const fileName& edgeFileName
)
{
OFstream file(edgeFileName);
const pointField& points = origSurf.points();
labelList newPointLabel(points.size(), -1);
label nPoints(0);
const edgeLongList& featureEdges = origSurf.featureEdges();
forAll(featureEdges, feI)
{
const edge& e = featureEdges[feI];
if( newPointLabel[e[0]] == -1 )
newPointLabel[e[0]] = nPoints++;
if( newPointLabel[e[1]] == -1 )
newPointLabel[e[1]] = nPoints++;
}
pointField pCopy(nPoints);
forAll(newPointLabel, pI)
{
if( newPointLabel[pI] < 0 )
continue;
pCopy[newPointLabel[pI]] = points[pI];
}
//- write the header
file << "# vtk DataFile Version 3.0\n";
file << "vtk output\n";
file << "ASCII\n";
file << "DATASET POLYDATA\n";
//- write points
file << "POINTS " << pCopy.size() << " float\n";
forAll(pCopy, pI)
{
const point& p = pCopy[pI];
file << p.x() << ' ' << p.y() << ' ' << p.z() << '\n';
}
file << "\nLINES " << featureEdges.size()
<< ' ' << 3*featureEdges.size() << nl;
forAll(featureEdges, edgeI)
{
const edge& e = featureEdges[edgeI];
file << "2 " << newPointLabel[e[0]]
<< token::SPACE << newPointLabel[e[1]] << nl;
}
file << nl;
if( !file )
FatalErrorIn
(
"void exportFeatureEdges(const triSurf&, const fileName&)"
) << "Writting of feature edges failed!" << exit(FatalError);
}
int main(int argc, char *argv[])
{
argList::noParallel();
argList::validArgs.clear();
argList::validArgs.append("input surface file");
argList::validArgs.append("output surface file");
argList::validOptions.insert("exportSubsets", "");
argList::validOptions.insert("exportFeatureEdges", "");
argList args(argc, argv);
fileName inFileName(args.args()[1]);
fileName outFileName(args.args()[2]);
fileName outFileNoExt = outFileName.lessExt();
fileName outExtension = outFileName.ext();
Info << "Out file no ext " << outFileNoExt << endl;
Info << "Extension " << outExtension << endl;
//- read the inout surface
triSurf origSurf(inFileName);
//- write the surface in the requated format
origSurf.writeSurface(outFileName);
//- export surface subsets as separate surface meshes
if( args.options().found("exportSubsets") )
{
DynList<label> subsetIDs;
origSurf.facetSubsetIndices(subsetIDs);
triSurfaceCopyParts copyParts(origSurf);
forAll(subsetIDs, subsetI)
{
//- get the name of the subset
triSurf copySurf;
wordList subsetName(1);
subsetName[0] = origSurf.facetSubsetName(subsetIDs[subsetI]);
//- create a surface mesh corresponding to the subset
copyParts.copySurface(subsetName, copySurf);
//- write the mesh on disk
fileName fName = outFileNoExt+"_facetSubset_"+subsetName[0];
fName += '.'+outExtension;
copySurf.writeSurface(fName);
}
}
if( args.options().found("exportFeatureEdges") )
{
fileName fName = outFileNoExt+"_featureEdges";
fName += ".vtk";
exportFeatureEdges(origSurf, fName);
}
Info << "End\n" << endl;
return 0;
}
// ************************************************************************* //
FMSToSurface.C
EXE = $(FOAM_USER_APPBIN)/FMSToSurface
EXE_INC = \
-I../../meshLibrary/lnInclude \
-I$(FOAM_SRC)/meshTools/lnInclude \
-I$(FOAM_SRC)/triSurface/lnInclude
EXE_LIBS = \
-ltriSurface \
-lmeshTools \
-L$(FOAM_USER_LIBBIN) \
-lmeshLibrary
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