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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2020 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::treeDataEdge
Description
Holds data for octree to work on an edges subset.
SourceFiles
treeDataEdge.C
\*---------------------------------------------------------------------------*/
#ifndef treeDataEdge_H
#define treeDataEdge_H
#include "treeBoundBoxList.H"
#include "linePointRef.H"
#include "volumeType.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// Forward declaration of classes
template<class Type> class indexedOctree;
/*---------------------------------------------------------------------------*\
Class treeDataEdge Declaration
\*---------------------------------------------------------------------------*/
class treeDataEdge
{
// Static data
//- Tolerance on linear dimensions
static scalar tol;
// Private Data
//- Reference to edgeList
const edgeList& edges_;
//- Reference to points
const pointField& points_;
//- Labels of edges
const labelList edgeLabels_;
//- Whether to precalculate and store face bounding box
const bool cacheBb_;
//- Bbs for all above edges (valid only if cacheBb_)
treeBoundBoxList bbs_;
// Private Member Functions
//- Calculate edge bounding box
treeBoundBox calcBb(const label edgeI) const;
//- Initialise all member data
void update();
public:
class findNearestOp
{
const indexedOctree<treeDataEdge>& tree_;
public:
findNearestOp(const indexedOctree<treeDataEdge>& tree);
void operator()
(
const labelUList& indices,
const point& sample,
scalar& nearestDistSqr,
label& minIndex,
point& nearestPoint
) const;
void operator()
(
const labelUList& indices,
const linePointRef& ln,
treeBoundBox& tightest,
label& minIndex,
point& linePoint,
point& nearestPoint
) const;
};
class findIntersectOp
{
public:
findIntersectOp(const indexedOctree<treeDataEdge>& tree);
//- Calculate intersection of triangle with ray. Sets result
// accordingly
bool operator()
(
const label index,
const point& start,
const point& end,
point& intersectionPoint
) const;
};
// Declare name of the class and its debug switch
ClassName("treeDataEdge");
// Constructors
//- Construct from selected edges. !Holds references to edges and points
treeDataEdge
(
const bool cacheBb,
const edgeList& edges,
const pointField& points,
const labelUList& edgeLabels
);
//- Construct from selected edges, transferring contents.
// !Holds references to edges and points
treeDataEdge
(
const bool cacheBb,
const edgeList& edges,
const pointField& points,
labelList&& edgeLabels
);
// Member Functions
// Access
const edgeList& edges() const
{
return edges_;
}
const pointField& points() const
{
return points_;
}
const labelList& edgeLabels() const
{
return edgeLabels_;
}
label size() const
{
return edgeLabels_.size();
}
//- Get representative point cloud for all shapes inside
// (one point per shape)
pointField shapePoints() const;
// Search
//- Get type (inside,outside,mixed,unknown) of point w.r.t. surface.
// Only makes sense for closed surfaces.
volumeType getVolumeType
(
const indexedOctree<treeDataEdge>&,
const point&
) const;
//- Does (bb of) shape at index overlap bb
bool overlaps
(
const label index,
const treeBoundBox& sampleBb
) const;
//- Does (bb of) shape at index overlap bb
bool overlaps
(
const label index,
const point& centre,
const scalar radiusSqr
) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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