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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
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/>.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "fvMesh.H"
#include "IStringStream.H"
#include "indexedOctree.H"
#include "treeDataCell.H"
#include "OFstream.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
argList::validArgs.append("point (x y z)");
#include "setRootCase.H"
#include "createTime.H"
#include "createMesh.H"
label nReps = 10000;
const point sample = args.argRead<point>(1);
const polyMesh::cellDecomposition decompMode = polyMesh::CELL_TETS;
treeBoundBox meshBb(mesh.bounds());
// Calculate typical cell related size to shift bb by.
scalar typDim = meshBb.avgDim()/(2.0*Foam::cbrt(scalar(mesh.nCells())));
treeBoundBox shiftedBb
(
meshBb.min(),
meshBb.max() + vector(typDim, typDim, typDim)
);
Info<< "Mesh" << endl;
Info<< " bounding box : " << meshBb << endl;
Info<< " bounding box (shifted) : " << shiftedBb << endl;
Info<< " typical dimension : " << shiftedBb.typDim() << endl;
Info<< "Initialised mesh in "
<< runTime.cpuTimeIncrement() << " s" << endl;
{
indexedOctree<treeDataCell> ioc
(
treeDataCell(true, mesh, decompMode), //FACEDIAGTETS),
shiftedBb,
10, // maxLevel
100, // leafsize
10.0 // duplicity
);
for (label i = 0; i < nReps - 1 ; i++)
{
if ((i % 100) == 0)
{
Info<< "indexed octree for " << i << endl;
}
ioc.findInside(sample);
}
Info<< "Point:" << sample << " is in shape "
<< ioc.findInside(sample)
<< ", where the possible cells were:" << nl
<< ioc.findIndices(sample)
<< endl;
Info<< "Found in indexedOctree " << nReps << " times in "
<< runTime.cpuTimeIncrement() << " s" << endl;
}
{
for (label i = 0; i < nReps - 1 ; i++)
{
if ((i % 100) == 0)
{
Info<< "linear search for " << i << endl;
}
mesh.findCell(sample, decompMode);
}
Info<< "Point:" << sample << " is in cell "
<< mesh.findCell(sample, decompMode) << endl;
Info<< "Found in mesh.findCell " << nReps << " times in "
<< runTime.cpuTimeIncrement() << " s" << endl;
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //
|
