166 lines
4.9 KiB
C
166 lines
4.9 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 3.2
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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Description
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Creates surface patches from surface subsets
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "Time.H"
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#include "triSurf.H"
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#include "triSurfaceCopyParts.H"
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#include "demandDrivenData.H"
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#include "OFstream.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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void exportFeatureEdges
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(
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const triSurf& origSurf,
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const fileName& edgeFileName
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)
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{
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OFstream file(edgeFileName);
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const pointField& points = origSurf.points();
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labelList newPointLabel(points.size(), -1);
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label nPoints(0);
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const edgeLongList& featureEdges = origSurf.featureEdges();
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forAll(featureEdges, feI)
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{
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const edge& e = featureEdges[feI];
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if( newPointLabel[e[0]] == -1 )
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newPointLabel[e[0]] = nPoints++;
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if( newPointLabel[e[1]] == -1 )
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newPointLabel[e[1]] = nPoints++;
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}
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pointField pCopy(nPoints);
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forAll(newPointLabel, pI)
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{
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if( newPointLabel[pI] < 0 )
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continue;
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pCopy[newPointLabel[pI]] = points[pI];
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}
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//- write the header
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file << "# vtk DataFile Version 3.0\n";
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file << "vtk output\n";
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file << "ASCII\n";
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file << "DATASET POLYDATA\n";
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//- write points
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file << "POINTS " << pCopy.size() << " float\n";
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forAll(pCopy, pI)
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{
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const point& p = pCopy[pI];
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file << p.x() << ' ' << p.y() << ' ' << p.z() << '\n';
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}
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file << "\nLINES " << featureEdges.size()
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<< ' ' << 3*featureEdges.size() << nl;
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forAll(featureEdges, edgeI)
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{
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const edge& e = featureEdges[edgeI];
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file << "2 " << newPointLabel[e[0]]
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<< token::SPACE << newPointLabel[e[1]] << nl;
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}
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file << nl;
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if( !file )
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FatalErrorIn
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(
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"void exportFeatureEdges(const triSurf&, const fileName&)"
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) << "Writting of feature edges failed!" << exit(FatalError);
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}
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int main(int argc, char *argv[])
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{
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argList::noParallel();
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argList::validArgs.clear();
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argList::validArgs.append("input surface file");
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argList::validArgs.append("output surface file");
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argList::validOptions.insert("exportSubsets", "");
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argList::validOptions.insert("exportFeatureEdges", "");
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argList args(argc, argv);
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fileName inFileName(args.args()[1]);
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fileName outFileName(args.args()[2]);
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fileName outFileNoExt = outFileName.lessExt();
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fileName outExtension = outFileName.ext();
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Info << "Out file no ext " << outFileNoExt << endl;
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Info << "Extension " << outExtension << endl;
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//- read the inout surface
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triSurf origSurf(inFileName);
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//- write the surface in the requated format
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origSurf.writeSurface(outFileName);
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//- export surface subsets as separate surface meshes
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if( args.options().found("exportSubsets") )
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{
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DynList<label> subsetIDs;
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origSurf.facetSubsetIndices(subsetIDs);
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triSurfaceCopyParts copyParts(origSurf);
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forAll(subsetIDs, subsetI)
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{
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//- get the name of the subset
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triSurf copySurf;
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wordList subsetName(1);
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subsetName[0] = origSurf.facetSubsetName(subsetIDs[subsetI]);
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//- create a surface mesh corresponding to the subset
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copyParts.copySurface(subsetName, copySurf);
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//- write the mesh on disk
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fileName fName = outFileNoExt+"_facetSubset_"+subsetName[0];
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fName += '.'+outExtension;
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copySurf.writeSurface(fName);
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}
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}
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if( args.options().found("exportFeatureEdges") )
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{
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fileName fName = outFileNoExt+"_featureEdges";
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fName += ".vtk";
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exportFeatureEdges(origSurf, fName);
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}
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Info << "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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