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Creation of OpenFOAM-dev repository 15/04/2008
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OpenFOAM-admin
289
applications/utilities/surface/surfaceAdd/surfaceAdd.C
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289
applications/utilities/surface/surfaceAdd/surfaceAdd.C
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/*---------------------------------------------------------------------------*\
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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 | Copyright (C) 1991-2007 OpenCFD Ltd.
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\\/ M anipulation |
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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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Description
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Add two surfaces. Does geometric merge on points. Does not check for
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overlapping/intersecting triangles.
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Keeps patches separate by renumbering.
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "fileName.H"
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#include "triSurface.H"
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#include "OFstream.H"
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#include "IFstream.H"
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#include "triFace.H"
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#include "triFaceList.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::validArgs.clear();
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argList::validArgs.append("Foam surface file");
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argList::validArgs.append("Foam surface file");
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argList::validArgs.append("Foam output file");
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argList::validOptions.insert("points", "pointsFile");
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argList::validOptions.insert("mergeRegions", "");
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argList args(argc, argv);
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fileName inFileName1(args.additionalArgs()[0]);
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fileName inFileName2(args.additionalArgs()[1]);
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fileName outFileName(args.additionalArgs()[2]);
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bool addPoint = args.options().found("points");
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bool mergeRegions = args.options().found("mergeRegions");
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if (addPoint)
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{
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Info<< "Reading a surface and adding points from a file"
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<< "; merging the points and writing the surface to another file"
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<< nl << endl;
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Info<< "Surface : " << inFileName1<< nl
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<< "Points : " << args.options()["points"] << nl
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<< "Writing : " << outFileName << nl << endl;
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}
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else
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{
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Info<< "Reading two surfaces"
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<< "; merging points and writing the surface to another file"
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<< nl << endl;
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if (mergeRegions)
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{
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Info<< "Regions from the two files will get merged" << nl
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<< "Do not use this option if you want to keep the regions"
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<< " separate" << nl << endl;
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}
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else
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{
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Info<< "Regions from the two files will not get merged" << nl
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<< "Regions from " << inFileName2 << " will get offset so"
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<< " as not to overlap with the regions in " << inFileName1
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<< nl << endl;
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}
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Info<< "Surface1 : " << inFileName1<< nl
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<< "Surface2 : " << inFileName2<< nl
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<< "Writing : " << outFileName << nl << endl;
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}
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const triSurface surface1(inFileName1);
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Info<< "Surface1:" << endl;
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surface1.writeStats(Info);
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Info<< endl;
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const pointField& points1 = surface1.points();
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// Final surface
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triSurface combinedSurf;
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if (addPoint)
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{
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IFstream pointStr(args.options()["points"]);
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pointField extraPoints(pointStr);
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Info<< "Additional Points:" << extraPoints.size() << endl;
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vectorField pointsAll(points1);
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label pointI = pointsAll.size();
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pointsAll.setSize(pointsAll.size() + extraPoints.size());
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forAll(extraPoints, i)
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{
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pointsAll[pointI++] = extraPoints[i];
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}
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combinedSurf = triSurface(surface1, surface1.patches(), pointsAll);
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}
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else
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{
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const triSurface surface2(inFileName2);
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Info<< "Surface2:" << endl;
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surface2.writeStats(Info);
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Info<< endl;
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// Make new storage
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List<labelledTri> facesAll(surface1.size() + surface2.size());
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const pointField& points2 = surface2.points();
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vectorField pointsAll(points1.size() + points2.size());
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label pointi = 0;
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// Copy points1 into pointsAll
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forAll(points1, point1i)
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{
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pointsAll[pointi++] = points1[point1i];
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}
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// Add surface2 points
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forAll(points2, point2i)
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{
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pointsAll[pointi++] = points2[point2i];
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}
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label trianglei = 0;
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label maxRegion1 = labelMin;
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// Copy triangles1 into trianglesAll
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// Determine max region.
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forAll(surface1, faceI)
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{
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facesAll[trianglei] = surface1[faceI];
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maxRegion1 = max(maxRegion1, facesAll[trianglei].region());
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trianglei++;
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}
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label nRegions1 = maxRegion1 + 1;
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if (!mergeRegions)
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{
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Info<< "Surface " << inFileName1 << " has " << nRegions1 << " regions"
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<< nl
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<< "All region numbers in " << inFileName2 << " will be offset"
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<< " by this amount" << nl << endl;
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}
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// Add (renumbered) surface2 triangles
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label maxRegion2 = labelMin;
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forAll(surface2, faceI)
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{
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const labelledTri& tri = surface2[faceI];
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labelledTri& destTri = facesAll[trianglei++];
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destTri[0] = tri[0] + points1.size();
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destTri[1] = tri[1] + points1.size();
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destTri[2] = tri[2] + points1.size();
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maxRegion2 = max(maxRegion2, tri.region());
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if (mergeRegions)
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{
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destTri.region() = tri.region();
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}
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else
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{
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destTri.region() = tri.region() + nRegions1;
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}
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}
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label nRegions2 = maxRegion2 + 1;
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geometricSurfacePatchList newPatches;
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if (mergeRegions)
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{
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// Overwrite
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newPatches.setSize(max(nRegions1, nRegions2));
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forAll(surface1.patches(), patchI)
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{
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newPatches[patchI] = surface1.patches()[ patchI];
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}
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forAll(surface2.patches(), patchI)
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{
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newPatches[patchI] = surface2.patches()[ patchI];
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}
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}
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else
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{
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Info<< "Regions from " << inFileName2 << " have been renumbered:"
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<< nl
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<< " old\tnew" << nl;
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for (label regionI = 0; regionI < nRegions2; regionI++)
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{
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Info<< " " << regionI << '\t' << regionI+nRegions1
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<< nl;
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}
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Info<< nl;
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newPatches.setSize(nRegions1 + nRegions2);
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label newPatchI = 0;
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forAll(surface1.patches(), patchI)
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{
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newPatches[newPatchI++] = surface1.patches()[ patchI];
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}
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forAll(surface2.patches(), patchI)
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{
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newPatches[newPatchI++] = surface2.patches()[ patchI];
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}
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}
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Info<< "New patches:" << nl;
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forAll(newPatches, patchI)
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{
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Info<< " " << patchI << '\t' << newPatches[patchI].name() << nl;
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}
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Info<< endl;
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// Construct new surface mesh
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combinedSurf = triSurface(facesAll, newPatches, pointsAll);
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}
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// Merge all common points and do some checks
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combinedSurf.cleanup(true);
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Info<< "Merged surface:" << endl;
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combinedSurf.writeStats(Info);
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Info<< endl;
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Info << "Writing : " << outFileName << endl;
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// No need to 'group' while writing since all in correct order anyway.
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combinedSurf.write(outFileName);
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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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