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ENH: treeDataPoint: work on subset of points

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This commit is contained in:
mattijs
2011-03-18 17:23:08 +00:00
parent e45bcc9188
commit 714d79a3c1
2 changed files with 33 additions and 7 deletions
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23
src/meshTools/indexedOctree/treeDataPoint.C
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
\\ / A nd | Copyright (C) 2004-2011 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -26,7 +26,6 @@ License
#include "treeDataPoint.H"
#include "treeBoundBox.H"
#include "indexedOctree.H"
#include "polyMesh.H"
#include "triangleFuncs.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
@ -42,6 +41,17 @@ Foam::treeDataPoint::treeDataPoint(const pointField& points)
{}
Foam::treeDataPoint::treeDataPoint
(
const pointField& points,
const labelList& pointLabels
)
:
points_(points),
pointLabels_(pointLabels)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::pointField Foam::treeDataPoint::points() const
@ -69,7 +79,8 @@ bool Foam::treeDataPoint::overlaps
const treeBoundBox& cubeBb
) const
{
return cubeBb.contains(points_[index]);
label pointI = (pointLabels_.size() ? pointLabels_[index] : index);
return cubeBb.contains(points_[pointI]);
}
@ -88,8 +99,9 @@ void Foam::treeDataPoint::findNearest
forAll(indices, i)
{
const label index = indices[i];
label pointI = (pointLabels_.size() ? pointLabels_[index] : index);
const point& pt = points_[index];
const point& pt = points_[pointI];
scalar distSqr = magSqr(pt - sample);
@ -122,8 +134,9 @@ void Foam::treeDataPoint::findNearest
forAll(indices, i)
{
const label index = indices[i];
label pointI = (pointLabels_.size() ? pointLabels_[index] : index);
const point& shapePt = points_[index];
const point& shapePt = points_[pointI];
if (tightest.contains(shapePt))
{

17
src/meshTools/indexedOctree/treeDataPoint.H
View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2004-2010 OpenCFD Ltd.
\\ / A nd | Copyright (C) 2004-2011 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -30,6 +30,8 @@ Description
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
treeDataPoint.C
@ -60,6 +62,9 @@ class treeDataPoint
const pointField& points_;
//- Subset of points to work on (or empty)
const labelList pointLabels_;
public:
// Declare name of the class and its debug switch
@ -68,9 +73,12 @@ public:
// Constructors
//- Construct from components. Holds reference to points!
//- Construct from pointField. Holds reference!
treeDataPoint(const pointField&);
//- Construct from subset of pointField. Holds reference!
treeDataPoint(const pointField&, const labelList&);
// Member Functions
@ -81,6 +89,11 @@ public:
return points_.size();
}
inline const labelList& pointLabels() const
{
return pointLabels_;
}
//- Get representative point cloud for all shapes inside
// (one point per shape)
pointField points() const;