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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2016-2018 OpenCFD Ltd.
-------------------------------------------------------------------------------
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/>.
Description
Test bounding box behaviour
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "polyMesh.H"
#include "boundBox.H"
#include "treeBoundBox.H"
#include "cellModel.H"
#include "bitSet.H"
#include "HashSet.H"
#include "ListOps.H"
using namespace Foam;
//- simple helper to create a cube
boundBox cube(scalar start, scalar width)
{
return boundBox
(
point::uniform(start),
point::uniform(start + width)
);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
#include "setRootCase.H"
Info<<"boundBox faces: " << boundBox::faces << nl
<<"hex faces: " << cellModel::ref(cellModel::HEX).modelFaces() << nl
<<"tree-bb faces: " << treeBoundBox::faces << nl
<<"tree-bb edges: " << treeBoundBox::edges << endl;
boundBox bb = boundBox::greatBox;
Info<<"great box: " << bb << endl;
// bb.clear();
// Info<<"zero box: " << bb << endl;
bb = boundBox::invertedBox;
Info<<"invalid box: " << bb << endl;
Info<< nl << endl;
if (Pstream::parRun())
{
bb = cube(Pstream::myProcNo(), 1.1);
Pout<<"box: " << bb << endl;
bb.reduce();
Pout<<"reduced: " << bb << endl;
}
else
{
bb = cube(0, 1);
Info<<"starting box: " << bb << endl;
point pt(Zero);
bb.add(pt);
Info<<"enclose point " << pt << " -> " << bb << endl;
pt = point(0,1.5,0.5);
bb.add(pt);
Info<<"enclose point " << pt << " -> " << bb << endl;
pt = point(5,2,-2);
bb.add(pt);
Info<<"enclose point " << pt << " -> " << bb << endl;
// restart with same points
bb = boundBox::invertedBox;
bb.add(point(1,1,1));
bb.add(point::zero);
bb.add(point(0,1.5,0.5));
bb.add(point(5,2,-2));
Info<<"repeated " << bb << endl;
boundBox box1 = cube(0, 1);
boundBox box2 = cube(0, 0.75);
boundBox box3 = cube(0.5, 1);
boundBox box4 = cube(-1, 0.5);
Info<<"union of " << box1 << " and " << box2 << " => ";
box1.add(box2);
Info<< box1 << endl;
box1.add(box3);
Info<<"union with " << box3 << " => " << box1 << endl;
box1.add(box4);
Info<<"union with " << box4 << " => " << box1 << endl;
labelRange range(10, 25);
auto variousPoints = ListOps::create<point>
(
range.begin(),
range.end(),
[](const label val) { return vector(val, val, val); }
);
Info<< nl << nl;
labelHashSet select1{4, 5, 55};
bitSet select2(15, {1, 5, 20, 24, 34});
Info<< "From points: size=" << variousPoints.size() << " from "
<< variousPoints.first() << " ... " << variousPoints.last() << nl;
Info<< "add points @ " << flatOutput(select1.sortedToc()) << nl;
box1.add(variousPoints, select1);
Info<< "box is now => " << box1 << endl;
box1.add(variousPoints, select2);
Info<< "box is now => " << box1 << endl;
}
return 0;
}
// ************************************************************************* //
|
