/usr/include/freefoam/meshTools/treeDataPoint.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 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/>.
Class
Foam::treeDataPoint
Description
Holds (reference to) pointField. Encapsulation of data needed for
octree searches.
Used for searching for nearest point. No bounding boxes around points.
Only overlaps and calcNearest are implemented, rest makes little sense.
SourceFiles
treeDataPoint.C
\*---------------------------------------------------------------------------*/
#ifndef treeDataPoint_H
#define treeDataPoint_H
#include <OpenFOAM/pointField.H>
#include <meshTools/treeBoundBox.H>
#include <OpenFOAM/linePointRef.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
template<class Type> class indexedOctree;
/*---------------------------------------------------------------------------*\
Class treeDataPoint Declaration
\*---------------------------------------------------------------------------*/
class treeDataPoint
{
// Private data
const pointField& points_;
public:
// Declare name of the class and its debug switch
ClassName("treeDataPoint");
// Constructors
//- Construct from components. Holds reference to points!
treeDataPoint(const pointField& points);
// Member Functions
// Access
label size() const
{
return points_.size();
}
//- Get representative point cloud for all shapes inside
// (one point per shape)
pointField points() const;
// Search
//- Get type (inside,outside,mixed,unknown) of point w.r.t. surface.
// Only makes sense for closed surfaces.
label getVolumeType
(
const indexedOctree<treeDataPoint>&,
const point&
) const;
//- Does (bb of) shape at index overlap bb
bool overlaps
(
const label index,
const treeBoundBox& sampleBb
) const;
//- Calculates nearest (to sample) point in shape.
// Returns actual point and distance (squared)
void findNearest
(
const labelList& indices,
const point& sample,
scalar& nearestDistSqr,
label& nearestIndex,
point& nearestPoint
) const;
//- Calculates nearest (to line) point in shape.
// Returns point and distance (squared)
void findNearest
(
const labelList& indices,
const linePointRef& ln,
treeBoundBox& tightest,
label& minIndex,
point& linePoint,
point& nearestPoint
) const;
//- Calculate intersection of shape with ray. Sets result
// accordingly
bool intersects
(
const label index,
const point& start,
const point& end,
point& result
) const
{
notImplemented
(
"treeDataPoint::intersects(const label, const point&,"
"const point&, point&)"
);
return false;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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