127 lines
3.8 KiB
C
127 lines
3.8 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 |
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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| Copyright (C) 2011-2015 OpenFOAM Foundation
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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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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "Time.H"
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#include "fvMesh.H"
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#include "indexedOctree.H"
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#include "treeDataCell.H"
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#include "OFstream.H"
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#include "fvCFD.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::addArgument("point (x y z)");
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#include "setRootCase.H"
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#include "createTime.H"
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#include "createMesh.H"
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label nReps = 10000;
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const point sample = args.get<point>(1);
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const polyMesh::cellDecomposition decompMode = polyMesh::CELL_TETS;
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treeBoundBox meshBb(mesh.bounds());
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// Calculate typical cell related size to shift bb by.
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scalar typDim = meshBb.avgDim()/(2.0*Foam::cbrt(scalar(mesh.nCells())));
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treeBoundBox shiftedBb
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(
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meshBb.min(),
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meshBb.max() + vector(typDim, typDim, typDim)
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);
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Info<< "Mesh" << endl;
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Info<< " bounding box : " << meshBb << endl;
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Info<< " bounding box (shifted) : " << shiftedBb << endl;
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Info<< " typical dimension : " << shiftedBb.typDim() << endl;
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Info<< "Initialised mesh in "
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<< runTime.cpuTimeIncrement() << " s" << endl;
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{
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indexedOctree<treeDataCell> ioc
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(
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treeDataCell(true, mesh, decompMode), //FACEDIAGTETS),
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shiftedBb,
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10, // maxLevel
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100, // leafsize
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10.0 // duplicity
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);
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for (label i = 0; i < nReps - 1 ; i++)
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{
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if ((i % 100) == 0)
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{
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Info<< "indexed octree for " << i << endl;
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}
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ioc.findInside(sample);
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}
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Info<< "Point:" << sample << " is in shape "
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<< ioc.findInside(sample)
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<< ", where the possible cells were:" << nl
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<< ioc.findIndices(sample)
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<< endl;
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Info<< "Found in indexedOctree " << nReps << " times in "
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<< runTime.cpuTimeIncrement() << " s" << endl;
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}
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{
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for (label i = 0; i < nReps - 1 ; i++)
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{
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if ((i % 100) == 0)
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{
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Info<< "linear search for " << i << endl;
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}
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mesh.findCell(sample, decompMode);
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}
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Info<< "Point:" << sample << " is in cell "
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<< mesh.findCell(sample, decompMode) << endl;
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Info<< "Found in mesh.findCell " << nReps << " times in "
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<< runTime.cpuTimeIncrement() << " s" << endl;
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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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