/usr/include/freefoam/meshTools/treeDataTriSurface.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::treeDataTriSurface
Description
Encapsulates data for (indexedOc)tree searches on triSurface.
SourceFiles
treeDataTriSurface.C
\*---------------------------------------------------------------------------*/
#ifndef treeDataTriSurface_H
#define treeDataTriSurface_H
#include <triSurface/triSurface.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
class treeBoundBox;
class treeDataTriSurface;
template<class Type> class indexedOctree;
/*---------------------------------------------------------------------------*\
Class treeDataTriSurface Declaration
\*---------------------------------------------------------------------------*/
class treeDataTriSurface
{
// Private data
const triSurface& surface_;
// Private Member Functions
//- fast triangle nearest point calculation. Returns point in E0, E1
// coordinate system: base + s*E0 + t*E1
static scalar nearestCoords
(
const point& base,
const point& E0,
const point& E1,
const scalar a,
const scalar b,
const scalar c,
const point& P,
scalar& s,
scalar& t
);
public:
// Declare name of the class and its debug switch
ClassName("treeDataTriSurface");
// Constructors
//- Construct from triSurface. Holds reference.
treeDataTriSurface(const triSurface&);
// Member Functions
// Access
const triSurface& surface() const
{
return surface_;
}
label size() const
{
return surface_.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<treeDataTriSurface>&,
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 triangle with ray. Sets result
// accordingly
bool intersects
(
const label index,
const point& start,
const point& end,
point& result
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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