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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2012-2020 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/>.
Class
Foam::dynamicTreeDataPoint
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.
Optionally works on subset of points.
SourceFiles
dynamicTreeDataPoint.C
\*---------------------------------------------------------------------------*/
#ifndef dynamicTreeDataPoint_H
#define dynamicTreeDataPoint_H
#include "pointField.H"
#include "treeBoundBox.H"
#include "linePointRef.H"
#include "volumeType.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
template<class Type> class dynamicIndexedOctree;
/*---------------------------------------------------------------------------*\
Class dynamicTreeDataPoint Declaration
\*---------------------------------------------------------------------------*/
class dynamicTreeDataPoint
{
// Private Data
const DynamicList<point>& points_;
public:
// Declare name of the class and its debug switch
ClassName("dynamicTreeDataPoint");
// Constructors
//- Construct from List. Holds reference!
dynamicTreeDataPoint(const DynamicList<point>& points);
// Member Functions
// Access
inline label size() const
{
return points_.size();
}
//- Get representative point cloud for all shapes inside
// (one point per shape)
const DynamicList<point>& shapePoints() const;
// Search
//- Get type (inside,outside,mixed,unknown) of point w.r.t. surface.
// Only makes sense for closed surfaces.
volumeType getVolumeType
(
const dynamicIndexedOctree<dynamicTreeDataPoint>&,
const point&
) const;
//- Does (bb of) shape at index overlap bb
bool overlaps
(
const label index,
const treeBoundBox& sampleBb
) const;
//- Check if any point on shape is inside sphere.
bool overlaps
(
const label index,
const point& centre,
const scalar radiusSqr
) const;
//- Calculates nearest (to sample) point in shape.
// Returns actual point and distance (squared)
void findNearest
(
const labelUList& 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 labelUList& 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;
return false;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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