145 lines
3.9 KiB
C++
145 lines
3.9 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | cfMesh: A library for mesh generation
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\\ / O peration |
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\\ / A nd | Author: Franjo Juretic (franjo.juretic@c-fields.com)
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\\/ M anipulation | Copyright (C) Creative Fields, Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of cfMesh.
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cfMesh 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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cfMesh 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 cfMesh. If not, see <http://www.gnu.org/licenses/>.
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Description
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Reads the AVL's surface mesh
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "triSurf.H"
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#include "triSurfModifier.H"
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#include "triFaceList.H"
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#include "labelLongList.H"
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#include "IFstream.H"
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using namespace Foam;
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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 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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if( inFileName.ext() != "flma" )
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{
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Info << "Cannot convert this mesh" << endl;
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return 0;
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}
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//- create the surface mesh
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triSurf ts;
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triSurfModifier tsm(ts);
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label counter;
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IFstream inFile(inFileName);
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inFile >> counter;
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//- read vertices
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pointField& points = tsm.pointsAccess();
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points.setSize(counter);
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forAll(points, pointI)
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{
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point& p = points[pointI];
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inFile >> p.x();
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inFile >> p.y();
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inFile >> p.z();
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}
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//- read facets
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inFile >> counter;
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geometricSurfacePatchList patches(1);
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patches[0].name() = "patch";
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LongList<labelledTri>& triangles = tsm.facetsAccess();
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triangles.setSize(counter);
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forAll(triangles, triI)
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{
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inFile >> counter;
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if( counter != 3 )
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{
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Info << "Facet " << triI << " is not a triangle!!" << endl;
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Warning << "Cannot convert this surface!" << endl;
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return 0;
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}
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for(label j=0;j<3;++j)
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inFile >> triangles[triI][2-j];
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triangles[triI].region() = 0;
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}
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//- read cell types
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inFile >> counter;
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forAll(triangles, triI)
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inFile >> counter;
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//- start reading selections
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inFile >> counter;
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for(label selI=0;selI<counter;++selI)
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{
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//- read selection name
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word selName;
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inFile >> selName;
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//- read selection type
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label selType;
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inFile >> selType;
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//- read selection entries
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label size;
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inFile >> size;
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labelLongList entries(size);
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for(label i=0;i<size;++i)
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inFile >> entries[i];
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//- store cell selections
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if( selType == 2 )
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{
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Info << "Adding subset " << selName << endl;
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const label setID = ts.addFacetSubset(selName);
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forAll(entries, i)
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ts.addFacetToSubset(setID, entries[i]);
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}
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}
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//- write the surface
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ts.writeSurface(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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