138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
|
|
\\/ 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 "octree.H"
|
|
#include "octreeDataCell.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 = 100000;
|
|
|
|
const point sample = args.argRead<point>(1);
|
|
|
|
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;
|
|
|
|
// Wrap indices and mesh information into helper object
|
|
octreeDataCell shapes(mesh);
|
|
|
|
octree<octreeDataCell> oc
|
|
(
|
|
shiftedBb, // overall bounding box
|
|
shapes, // all information needed to do checks on cells
|
|
1, // min. levels
|
|
10.0, // max. size of leaves
|
|
10.0 // maximum ratio of cubes v.s. cells
|
|
);
|
|
|
|
for (label i = 0; i < nReps - 1 ; i++)
|
|
{
|
|
oc.find(sample);
|
|
}
|
|
|
|
Info<< "Point:" << sample << " is in shape "
|
|
<< oc.find(sample) << endl;
|
|
|
|
oc.printStats(Info);
|
|
|
|
Info<< "Found in octree " << nReps << " times in "
|
|
<< runTime.cpuTimeIncrement() << " s" << endl;
|
|
|
|
indexedOctree<treeDataCell> ioc
|
|
(
|
|
treeDataCell(true, mesh),
|
|
shiftedBb,
|
|
8, // maxLevel
|
|
10, // leafsize
|
|
3.0 // duplicity
|
|
);
|
|
|
|
for (label i = 0; i < nReps - 1 ; i++)
|
|
{
|
|
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++)
|
|
{
|
|
mesh.findCell(sample);
|
|
}
|
|
|
|
Info<< "Point:" << sample << " is in cell "
|
|
<< mesh.findCell(sample) << endl;
|
|
|
|
Info<< "Found in mesh.findCell " << nReps << " times in "
|
|
<< runTime.cpuTimeIncrement() << " s" << endl;
|
|
|
|
Info<< "End\n" << endl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|