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|
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
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 3 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, see <http://www.gnu.org/licenses/>.
Application
Test-surfaceIntersection
Description
Test surface-surface intersection
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "triSurface.H"
#include "triSurfaceMesh.H"
#include "surfaceIntersection.H"
#include "OBJstream.H"
using namespace Foam;
autoPtr<triSurface> loadSurface
(
const Foam::Time& runTime,
const fileName& surfName,
const scalar scaleFactor
)
{
Info<< "Reading surface " << surfName << nl;
if (scaleFactor > 0)
{
Info<<"Scaling : " << scaleFactor << nl;
}
const fileName fallback =
runTime.constantPath()/triSurfaceMesh::meshSubDir/surfName;
autoPtr<triSurface> surfPtr;
if (isFile(surfName))
{
surfPtr.set(new triSurface(surfName, scaleFactor));
}
else if (isFile(fallback))
{
surfPtr.set(new triSurface(fallback, scaleFactor));
}
else
{
FatalErrorInFunction
<< "No such file:" << surfName << exit(FatalError);
}
return surfPtr;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
argList::addNote
(
"Intersection of two surfaces. Writes obj file"
);
argList::addBoolOption
(
"debug2",
"set surfaceIntersection debug=2"
);
argList::addBoolOption
(
"debug4",
"set surfaceIntersection debug=4"
);
argList::addBoolOption
(
"print",
"print information about cuts, etc"
);
argList::addBoolOption
(
"mergeEdges",
"merge duplicate edges"
);
argList::addOption
(
"mergePoints",
"mergeTol",
"merge points (and edges) using the specified tolerance"
);
argList::addOption
(
"scale",
"factor",
"geometry scaling factor"
);
#include "addDictOption.H"
argList::addNote
(
"test intersect of two surfaces. Writes obj file"
);
argList::noParallel();
argList::noFunctionObjects();
argList::addArgument("surface file");
argList::addArgument("surface file");
#include "setRootCase.H"
#include "createTime.H"
const scalar scaleFactor = args.get<scalar>("scale", -1);
const word outputFile(args.executable() + ".obj");
const fileName surf1Name(args[1]);
triSurface surf1 = loadSurface(runTime, surf1Name, scaleFactor)();
Info<< surf1Name << " statistics:" << endl;
surf1.writeStats(Info);
Info<< endl;
const fileName surf2Name(args[2]);
triSurface surf2 = loadSurface(runTime, surf2Name, scaleFactor)();
Info<< surf2Name << " statistics:" << endl;
surf2.writeStats(Info);
Info<< endl;
if (args.found("debug2"))
{
surfaceIntersection::debug |= 2;
}
if (args.found("debug4"))
{
surfaceIntersection::debug |= 4;
}
const bool optPrint = args.found("print");
dictionary intersectOptions;
if (args.found("dict"))
{
intersectOptions = IOdictionary
(
IOobject
(
args["dict"],
runTime,
IOobject::MUST_READ_IF_MODIFIED,
IOobject::NO_WRITE
)
);
}
intersectOptions.writeEntry("intersectOptions", Info);
Info<< endl;
triSurfaceSearch query1(surf1);
triSurfaceSearch query2(surf2);
surfaceIntersection cuts(query1, query2, intersectOptions);
Info<<"intersection "
<< cuts.cutPoints().size() << " points "
<< cuts.cutEdges().size() << " edges" << nl;
if (optPrint)
{
Info<< "surf1-cuts: " << cuts.surf1EdgeCuts() << nl
<< "surf2-cuts: " << cuts.surf2EdgeCuts() << nl
<< "face-pairs: " << cuts.facePairToEdgeId() << nl
<< "edges: " << cuts.cutEdges() << nl;
}
word mergeOp;
if (args.found("mergePoints"))
{
cuts.mergePoints(args.get<scalar>("mergePoints"));
mergeOp = "mergePoints";
}
else if (args.found("mergeEdges"))
{
cuts.mergeEdges();
mergeOp = "mergeEdges";
}
if (!mergeOp.empty())
{
Info<< mergeOp << ": "
<< cuts.cutPoints().size() << " points "
<< cuts.cutEdges().size() << " edges" << nl;
if (optPrint)
{
Info<< "surf1-cuts: " << cuts.surf1EdgeCuts() << nl
<< "surf2-cuts: " << cuts.surf2EdgeCuts() << nl
<< "face-pairs: " << cuts.facePairToEdgeId() << nl
<< "edges: " << cuts.cutEdges() << nl;
}
}
const pointField& points = cuts.cutPoints();
const edgeList& edges = cuts.cutEdges();
if (points.size() || edges.size())
{
Info<<"write to " << outputFile << nl;
OBJstream(outputFile).write(edges, points);
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //
|
