3d892ace29
STYLE: qualify format/version/compression with IOstreamOption not IOstream
STYLE: reduce number of lookups when scanning {fa,fv}Solution
STYLE: call IOobject::writeEndDivider as static
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2017-2022 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM 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
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Description
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Create a metis graph file representation of an OpenFOAM mesh
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "Time.H"
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#include "polyMesh.H"
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#include "OFstream.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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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::noFunctionObjects();
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argList::addNote
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(
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"Create a metis graph file representation for an OpenFOAM mesh"
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);
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#include "setRootCase.H"
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#include "createTime.H"
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#include "createPolyMesh.H"
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const labelListList& cellCells = mesh.cellCells();
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// No. of Nodes = nCells
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// No. of Edges connecting Nodes = nInternalFaces
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OFstream os(args.caseName() + ".graph", IOstreamOption::ASCII);
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os << "%% metis graph file, of an OpenFOAM mesh %%" << nl
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<< "%% nCells=" << mesh.nCells()
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<< " nFaces=" << mesh.nFaces()
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<< " nInternalFaces=" << mesh.nInternalFaces() << nl;
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os << cellCells.size() << " " << mesh.nInternalFaces() << nl;
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for (const auto& edges : cellCells)
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{
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forAll(edges, i)
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{
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if (i) os << " ";
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os << edges[i] + 1; // index starts at 1.
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}
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os << nl;
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}
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Info<<"Wrote graph with "
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<< mesh.nCells() << " nodes and "
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<< mesh.nInternalFaces() << " edges to "
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<< os.name() << nl;
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Info<< nl << "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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