/usr/include/freefoam/meshTools/octreeDataCell.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::octreeDataCell
Description
Encapsulation of data needed to search in/for cells.
Used to find the cell containing a point (e.g. cell-cell mapping).
SourceFiles
octreeDataCell.C
\*---------------------------------------------------------------------------*/
#ifndef octreeDataCell_H
#define octreeDataCell_H
#include "treeBoundBoxList.H"
#include <OpenFOAM/labelList.H>
#include <OpenFOAM/linePointRef.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class polyMesh;
template<class Type> class octree;
/*---------------------------------------------------------------------------*\
Class octreeDataCell Declaration
\*---------------------------------------------------------------------------*/
class octreeDataCell
{
// Private data
const polyMesh& mesh_;
labelList cellLabels_;
treeBoundBoxList bbs_;
public:
// Constructors
//- Construct from components.
octreeDataCell
(
const polyMesh&,
const labelList& cellLabels,
const treeBoundBoxList& bbs
);
//- Construct from mesh. Uses all cells in mesh.
octreeDataCell(const polyMesh&);
// Member Functions
// Access
const labelList& cellLabels() const
{
return cellLabels_;
}
const polyMesh& mesh() const
{
return mesh_;
}
const treeBoundBoxList& allBb() const
{
return bbs_;
}
label size() const
{
return bbs_.size();
}
// Search
//- Get type of sample
label getSampleType(octree<octreeDataCell>&, const point&) const;
//- Does (bb of) shape at index overlap bb
bool overlaps
(
const label index,
const treeBoundBox& sampleBb
) const;
//- Does shape at index contain sample
bool contains
(
const label index,
const point& sample
) const;
//- Segment (from start to end) intersection with shape
// at index. If intersects returns true and sets intersectionPoint
// BUG: not yet done.
bool intersects
(
const label index,
const point& start,
const point& end,
point& intersectionPoint
) const;
//- Sets newTightest to bounding box (and returns true) if
// nearer to sample than tightest bounding box. Otherwise
// returns false
bool findTightest
(
const label index,
const point& sample,
treeBoundBox& tightest
) const;
//- Given index get unit normal and calculate (numerical) sign
// of sample.
// Used to determine accuracy of calcNearest or inside/outside.
// Note: always returns GREAT since no inside/outside.
scalar calcSign
(
const label index,
const point& sample,
vector& n
) const;
//- Calculates nearest (to sample) point in shape.
// Returns point and mag(nearest - sample)
scalar calcNearest
(
const Foam::label index,
const Foam::point& sample,
point& nearest
) const;
//- Calculates nearest (to line segment) point in shape.
// Returns distance and both point.
scalar calcNearest
(
const label index,
const linePointRef& ln,
point& linePt, // nearest point on line
point& shapePt // nearest point on shape
) const;
// Write
// Write shape at index
void write(Ostream& os, const label index) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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