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