#include <Neighbourhood.h>

Collaboration diagram for cloudViewer::Neighbourhood:

[legend]

Public Types
enum	GeomElement { FLAG_DEPRECATED = 0 , FLAG_GRAVITY_CENTER = 1 , FLAG_LS_PLANE = 2 , FLAG_QUADRIC = 4 }

enum	CurvatureType { GAUSSIAN_CURV = 1 , MEAN_CURV , NORMAL_CHANGE_RATE }
	Curvature type. More...

enum	InputVectorsUsage { UseOXYasBase , UseYAsUpDir , None }

enum	GeomFeature { EigenValuesSum = 1 , Omnivariance , EigenEntropy , Anisotropy , Planarity , Linearity , PCA1 , PCA2 , SurfaceVariation , Sphericity , Verticality , EigenValue1 , EigenValue2 , EigenValue3 }
	Geometric feature computed from eigen values/vectors. More...

Public Member Functions
	Neighbourhood (GenericIndexedCloudPersist *associatedCloud)
	Default constructor. More...

virtual	~Neighbourhood ()=default
	Default destructor. More...

virtual void	reset ()
	Resets structure (depreactes all associated geometrical fetaures) More...

GenericIndexedCloudPersist *	associatedCloud () const
	Returns associated cloud. More...

GenericIndexedMesh *	triangulateOnPlane (bool duplicateVertices, PointCoordinateType maxEdgeLength, std::string &outputErrorStr)
	Applies 2D Delaunay triangulation. More...

GenericIndexedMesh *	triangulateFromQuadric (unsigned stepsX, unsigned stepsY)

template<class Vec2D >
bool	projectPointsOn2DPlane (std::vector< Vec2D > &points2D, const PointCoordinateType planeEquation=nullptr, CCVector3 O=nullptr, CCVector3 X=nullptr, CCVector3 Y=nullptr, InputVectorsUsage vectorsUsage=None)
	Projects points on the best fitting LS plane. More...

double	computeFeature (GeomFeature feature)
	Computes the given feature on a set of point. More...

ScalarType	computeMomentOrder1 (const CCVector3 &P)

ScalarType	computeRoughness (const CCVector3 &P, const CCVector3 *roughnessUpDir=nullptr)

ScalarType	computeCurvature (const CCVector3 &P, CurvatureType cType)
	Computes the curvature of a set of point (by fitting a 2.5D quadric) More...

const CCVector3 *	getGravityCenter ()
	Returns gravity center. More...

void	setGravityCenter (const CCVector3 &G)
	Sets gravity center. More...

const PointCoordinateType *	getLSPlane ()
	Returns best interpolating plane equation (Least-square) More...

void	setLSPlane (const PointCoordinateType eq[4], const CCVector3 &X, const CCVector3 &Y, const CCVector3 &N)
	Sets the best interpolating plane equation (Least-square) More...

const CCVector3 *	getLSPlaneX ()
	Returns best interpolating plane (Least-square) 'X' base vector. More...

const CCVector3 *	getLSPlaneY ()
	Returns best interpolating plane (Least-square) 'Y' base vector. More...

const CCVector3 *	getLSPlaneNormal ()
	Returns best interpolating plane (Least-square) normal vector. More...

const PointCoordinateType *	getQuadric (Tuple3ub *dims=nullptr)
	Returns the best interpolating 2.5D quadric. More...

bool	compute3DQuadric (double quadricEquation[10])
	Computes the best interpolating quadric (Least-square) More...

cloudViewer::SquareMatrixd	computeCovarianceMatrix ()
	Computes the covariance matrix. More...

PointCoordinateType	computeLargestRadius ()

Static Public Attributes
static constexpr int	IGNORE_MAX_EDGE_LENGTH = 0

static constexpr bool	DUPLICATE_VERTICES = true

static constexpr bool	DO_NOT_DUPLICATE_VERTICES = false

Protected Member Functions
void	computeGravityCenter ()
	Computes the gravity center. More...

bool	computeLeastSquareBestFittingPlane ()
	Computes the least-square best fitting plane. More...

bool	computeQuadric ()
	Computes best fitting 2.5D quadric. More...

Protected Attributes
PointCoordinateType	m_quadricEquation [6]
	2.5D Quadric equation More...

Tuple3ub	m_quadricEquationDirections
	2.5D Quadric equation dimensions More...

PointCoordinateType	m_lsPlaneEquation [4]
	Least-square best fitting plane parameters. More...

CCVector3	m_lsPlaneVectors [3]
	Least-square best fitting plane base vectors. More...

CCVector3	m_gravityCenter
	Gravity center. More...

unsigned char	m_structuresValidity
	Geometrical elements validity (flags) More...

GenericIndexedCloudPersist *	m_associatedCloud
	Associated cloud. More...

Detailed Description

A specific point could structure to handle subsets of points, provided with several geometric processings Typically suited for "nearest neighbours". It implements the GenericIndexCloud interface by inheriting the ReferenceCloud class.

Definition at line 25 of file Neighbourhood.h.

Member Enumeration Documentation

◆ CurvatureType

enum cloudViewer::Neighbourhood::CurvatureType

Curvature type.

Enumerator
GAUSSIAN_CURV
MEAN_CURV
NORMAL_CHANGE_RATE

Definition at line 42 of file Neighbourhood.h.

◆ GeomElement

enum cloudViewer::Neighbourhood::GeomElement

Geometric properties/elements that can be computed from the set of points (see Neighbourhood::getGeometricalElement)

Enumerator
FLAG_DEPRECATED
FLAG_GRAVITY_CENTER
FLAG_LS_PLANE
FLAG_QUADRIC

Definition at line 34 of file Neighbourhood.h.

◆ GeomFeature

enum cloudViewer::Neighbourhood::GeomFeature

Geometric feature computed from eigen values/vectors.

Most of them are defined in "Contour detection in unstructured 3D point clouds", Hackel et al, 2016 PCA1 and PCA2 are defined in "3D terrestrial lidar data classification of complex natural scenes using a multi-scale dimensionality criterion: Applications in geomorphology", Brodu and Lague, 2012

Enumerator
EigenValuesSum
Omnivariance
EigenEntropy
Anisotropy
Planarity
Linearity
PCA1
PCA2
SurfaceVariation
Sphericity
Verticality
EigenValue1
EigenValue2
EigenValue3

Definition at line 161 of file Neighbourhood.h.

◆ InputVectorsUsage

enum cloudViewer::Neighbourhood::InputVectorsUsage

Enumerator
UseOXYasBase
UseYAsUpDir
None

Definition at line 76 of file Neighbourhood.h.

Constructor & Destructor Documentation

◆ Neighbourhood()

Neighbourhood::Neighbourhood ( GenericIndexedCloudPersist * associatedCloud )

explicit

Default constructor.

Parameters

associatedCloud reference cloud

Definition at line 46 of file Neighbourhood.cpp.

References m_associatedCloud, m_lsPlaneEquation, and m_quadricEquation.

◆ ~Neighbourhood()

virtual cloudViewer::Neighbourhood::~Neighbourhood ( )

virtualdefault

Default destructor.

Member Function Documentation

◆ associatedCloud()

GenericIndexedCloudPersist* cloudViewer::Neighbourhood::associatedCloud ( ) const

inline

Returns associated cloud.

Definition at line 56 of file Neighbourhood.h.

◆ compute3DQuadric()

bool Neighbourhood::compute3DQuadric ( double quadricEquation[10] )

Computes the best interpolating quadric (Least-square)

Parameters

[out] quadricEquation an array of 10 coefficients [a,b,c,d,e,f,g,l,m,n] such as a.x^2+b.y^2+c.z^2+2e.x.y+2f.y.z+2g.z.x+2l.x+2m.y+2n.z+d = 0

Returns: success

Definition at line 524 of file Neighbourhood.cpp.

References count, getGravityCenter(), cloudViewer::GenericIndexedCloud::getPoint(), m_associatedCloud, cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::x, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

◆ computeCovarianceMatrix()

cloudViewer::SquareMatrixd Neighbourhood::computeCovarianceMatrix ( )

Computes the covariance matrix.

Definition at line 144 of file Neighbourhood.cpp.

References count, getGravityCenter(), cloudViewer::GenericIndexedCloud::getPoint(), m_associatedCloud, cloudViewer::SquareMatrixTpl< Scalar >::m_values, cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::x, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

Referenced by ComputeCorePointNormal(), computeCurvature(), computeFeature(), computeLeastSquareBestFittingPlane(), computeMomentOrder1(), DimensionalityScaleParamsComputer::computeScaleParams(), and ccTrace::fitPlane().

◆ computeCurvature()

ScalarType Neighbourhood::computeCurvature	(	const CCVector3 &	P,
		CurvatureType	cType
	)

Computes the curvature of a set of point (by fitting a 2.5D quadric)

Returns: curvature value at a given position P or NAN_VALUE if the computation failed

Warning: The curvature value is always unsigned

Definition at line 906 of file Neighbourhood.cpp.

References abs(), computeCovarianceMatrix(), GAUSSIAN_CURV, getGravityCenter(), getQuadric(), m_associatedCloud, m_quadricEquationDirections, MEAN_CURV, NAN_VALUE, NORMAL_CHANGE_RATE, cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::u, Tuple3Tpl< Type >::x, X, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

Referenced by cloudViewer::GeometricalAnalysisTools::ComputeGeomCharacteristicAtLevel(), masc::NeighborhoodFeature::computeValue(), and ccTrace::getSegmentCostCurve().

◆ computeFeature()

double Neighbourhood::computeFeature ( GeomFeature feature )

Computes the given feature on a set of point.

Returns: feature value

Definition at line 796 of file Neighbourhood.cpp.

References abs(), Anisotropy, computeCovarianceMatrix(), EigenEntropy, EigenValuesSum, Linearity, m_associatedCloud, Omnivariance, PCA1, Planarity, cloudViewer::GenericCloud::size(), and Jacobi< Scalar >::SortEigenValuesAndVectors().

Referenced by cloudViewer::GeometricalAnalysisTools::ComputeGeomCharacteristicAtLevel(), and masc::NeighborhoodFeature::computeValue().

◆ computeGravityCenter()

void Neighbourhood::computeGravityCenter ( )

protected

Computes the gravity center.

Definition at line 122 of file Neighbourhood.cpp.

References count, FLAG_GRAVITY_CENTER, cloudViewer::GenericIndexedCloud::getPoint(), m_associatedCloud, m_structuresValidity, setGravityCenter(), cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::x, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

Referenced by getGravityCenter().

◆ computeLargestRadius()

PointCoordinateType Neighbourhood::computeLargestRadius ( )

Returns the set 'radius' (i.e. the distance between the gravity center and the its farthest point)

Definition at line 184 of file Neighbourhood.cpp.

References getGravityCenter(), cloudViewer::GenericIndexedCloud::getPoint(), m_associatedCloud, PC_NAN, and cloudViewer::GenericCloud::size().

Referenced by Candidate::Candidate(), and triangulateOnPlane().

◆ computeLeastSquareBestFittingPlane()

bool Neighbourhood::computeLeastSquareBestFittingPlane ( )

protected

Computes the least-square best fitting plane.

Definition at line 206 of file Neighbourhood.cpp.

References computeCovarianceMatrix(), Vector3Tpl< Type >::cross(), CV_LOCAL_MODEL_MIN_SIZE, Vector3Tpl< Type >::dot(), FLAG_LS_PLANE, Vector3Tpl< PointCoordinateType >::fromArray(), getGravityCenter(), Jacobi< Scalar >::GetMaxEigenValueAndVector(), Jacobi< Scalar >::GetMinEigenValueAndVector(), cloudViewer::GenericIndexedCloud::getPoint(), cloudViewer::LessThanEpsilon(), LS, m_associatedCloud, m_lsPlaneEquation, m_lsPlaneVectors, m_structuresValidity, Vector3Tpl< Type >::normalize(), cloudViewer::GenericCloud::size(), Tuple3Tpl< Type >::u, Tuple3Tpl< Type >::x, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

Referenced by getLSPlane(), getLSPlaneNormal(), getLSPlaneX(), and getLSPlaneY().

◆ computeMomentOrder1()

ScalarType Neighbourhood::computeMomentOrder1 ( const CCVector3 & P )

Computes the 1st order moment of a set of point (based on the eigenvalues)

Returns: 1st order moment at a given position P (between 0 and 1)

Definition at line 760 of file Neighbourhood.cpp.

References computeCovarianceMatrix(), Vector3Tpl< Type >::dot(), Vector3Tpl< double >::fromArray(), Jacobi< Scalar >::GetEigenVector(), cloudViewer::GenericIndexedCloud::getPoint(), m_associatedCloud, NAN_VALUE, cloudViewer::GenericCloud::size(), Jacobi< Scalar >::SortEigenValuesAndVectors(), and Tuple3Tpl< Type >::u.

Referenced by cloudViewer::GeometricalAnalysisTools::ComputeGeomCharacteristicAtLevel(), and masc::NeighborhoodFeature::computeValue().

◆ computeQuadric()

bool Neighbourhood::computeQuadric ( )

protected

◆ computeRoughness()

ScalarType Neighbourhood::computeRoughness	(	const CCVector3 &	P,
		const CCVector3 *	roughnessUpDir = `nullptr`
	)

Computes the roughness of a point (by fitting a 2D plane on its neighbors)

Parameters

P	point for which to compute the roughness value
roughnessUpDir	up direction to compute a signed roughness value (optional)

Returns: roughness value at a given position P

Warning: The point P shouldn't be in the set of points

Definition at line 886 of file Neighbourhood.cpp.

References abs(), cloudViewer::DistanceComputationTools::computePoint2PlaneDistance(), getLSPlane(), NAN_VALUE, Tuple3Tpl< Type >::u, and Vector3Tpl< PointCoordinateType >::vdot().

Referenced by cloudViewer::GeometricalAnalysisTools::ComputeGeomCharacteristicAtLevel(), and masc::NeighborhoodFeature::computeValue().

◆ getGravityCenter()

const CCVector3 * Neighbourhood::getGravityCenter ( )

Returns gravity center.

Returns: 0 if computation failed

Definition at line 58 of file Neighbourhood.cpp.

References computeGravityCenter(), FLAG_GRAVITY_CENTER, m_gravityCenter, and m_structuresValidity.

Referenced by ccLibAlgorithms::ApplyScaleMatchingAlgorithm(), Candidate::Candidate(), compute3DQuadric(), ComputeCellStats(), computeCovarianceMatrix(), computeCurvature(), ComputeFacetExtensions(), computeLargestRadius(), computeLeastSquareBestFittingPlane(), computeQuadric(), masc::NeighborhoodFeature::computeValue(), cloudViewer::GeometricalAnalysisTools::DetectCircle(), ccKdTreeForFacetExtraction::FuseCells(), cloudViewer::LocalModel::New(), CommandMatchBestFitPlane::process(), cloudViewer::CloudSamplingTools::resampleCellAtLevel(), and triangulateFromQuadric().

◆ getLSPlane()

const PointCoordinateType * Neighbourhood::getLSPlane ( )

Returns best interpolating plane equation (Least-square)

Returns an array of the form [a,b,c,d] such as: ax + by + cz = d

Returns: 0 if computation failed

Definition at line 69 of file Neighbourhood.cpp.

References computeLeastSquareBestFittingPlane(), FLAG_LS_PLANE, m_lsPlaneEquation, and m_structuresValidity.

Referenced by cloudViewer::CloudSamplingTools::applyNoiseFilterAtLevel(), ccLibAlgorithms::ApplyScaleMatchingAlgorithm(), ComputeCellStats(), ComputeCorePointDescriptor(), computeQuadric(), computeRoughness(), cloudViewer::GeometricalAnalysisTools::DetectCircle(), ccKdTreeForFacetExtraction::FuseCells(), qM3C2Tools::GuessBestParams(), cloudViewer::LocalModel::New(), and cloudViewer::TrueKdTree::split().

◆ getLSPlaneNormal()

const CCVector3 * Neighbourhood::getLSPlaneNormal ( )

Returns best interpolating plane (Least-square) normal vector.

This corresponds to the smallest eigen value (i.e. the second largest cloud dimension)

Returns: 0 if computation failed

Definition at line 102 of file Neighbourhood.cpp.

References computeLeastSquareBestFittingPlane(), FLAG_LS_PLANE, m_lsPlaneVectors, and m_structuresValidity.

Referenced by masc::NeighborhoodFeature::computeValue(), and cloudViewer::GeometricalAnalysisTools::DetectCircle().

◆ getLSPlaneX()

const CCVector3 * Neighbourhood::getLSPlaneX ( )

Returns best interpolating plane (Least-square) 'X' base vector.

This corresponds to the largest eigen value (i.e. the largest cloud dimension)

Returns: 0 if computation failed

Definition at line 88 of file Neighbourhood.cpp.

References computeLeastSquareBestFittingPlane(), FLAG_LS_PLANE, m_lsPlaneVectors, and m_structuresValidity.

Referenced by ccLibAlgorithms::ApplyScaleMatchingAlgorithm(), cloudViewer::GeometricalAnalysisTools::DetectCircle(), and ccCompass::estimateStructureNormals().

◆ getLSPlaneY()

const CCVector3 * Neighbourhood::getLSPlaneY ( )

Returns best interpolating plane (Least-square) 'Y' base vector.

This corresponds to the second largest eigen value (i.e. the second largest cloud dimension)

Returns: 0 if computation failed

Definition at line 95 of file Neighbourhood.cpp.

References computeLeastSquareBestFittingPlane(), FLAG_LS_PLANE, m_lsPlaneVectors, and m_structuresValidity.

◆ getQuadric()

const PointCoordinateType * Neighbourhood::getQuadric ( Tuple3ub * dims = nullptr )

Returns the best interpolating 2.5D quadric.

Returns an array of the form [a,b,c,d,e,f] such as: Z = a + b.X + c.Y + d.X^2 + e.X.Y + f.Y^2

Warning: : 'X','Y' and 'Z' are output in dims (optional): dims = [index(X),index(Y),index(Z)] where: 0=x, 1=y, 2=z

Returns: 0 if computation failed

Definition at line 109 of file Neighbourhood.cpp.

References computeQuadric(), FLAG_QUADRIC, m_quadricEquation, m_quadricEquationDirections, and m_structuresValidity.

Referenced by computeCurvature(), cloudViewer::LocalModel::New(), and triangulateFromQuadric().

◆ projectPointsOn2DPlane()

template<class Vec2D >

bool cloudViewer::Neighbourhood::projectPointsOn2DPlane	(	std::vector< Vec2D > &	points2D,
		const PointCoordinateType *	planeEquation = `nullptr`,
		CCVector3 *	O = `nullptr`,
		CCVector3 *	X = `nullptr`,
		CCVector3 *	Y = `nullptr`,
		InputVectorsUsage	vectorsUsage = `None`
	)

inline

Projects points on the best fitting LS plane.

Projected points are stored in the points2D vector.

Parameters

points2D	output set
planeEquation	custom plane equation (otherwise the default Neighbouhood's one is used)
O	if set, the local plane base origin will be output here
X	if set, the local plane base X vector will be output here
Y	if set, the local plane base Y vector will be output here
useOXYasBase	whether O, X and Y should be used as input base

Returns: success

Definition at line 89 of file Neighbourhood.h.

References cloudViewer::CCMiscTools::ComputeBaseVectors(), count, Vector3Tpl< Type >::cross(), Vector3Tpl< Type >::dot(), Vector3Tpl< Type >::normalize(), and X.

Referenced by ccContourExtractor::ExtractFlatContour(), and cloudViewer::Delaunay2dMesh::TesselateContour().

◆ reset()

void Neighbourhood::reset ( )

virtual

Resets structure (depreactes all associated geometrical fetaures)

Definition at line 56 of file Neighbourhood.cpp.

References FLAG_DEPRECATED, and m_structuresValidity.

◆ setGravityCenter()

void Neighbourhood::setGravityCenter ( const CCVector3 & G )

Sets gravity center.

Handle with care!

Parameters

G	gravity center

Definition at line 64 of file Neighbourhood.cpp.

References FLAG_GRAVITY_CENTER, m_gravityCenter, and m_structuresValidity.

Referenced by computeGravityCenter().

◆ setLSPlane()

void Neighbourhood::setLSPlane	(	const PointCoordinateType	eq[4],
		const CCVector3 &	X,
		const CCVector3 &	Y,
		const CCVector3 &	N
	)

Sets the best interpolating plane equation (Least-square)

Handle with care!

Parameters

eq	plane equation (ax + by + cz = d)
X	local base X vector
Y	local base Y vector
N	normal vector

Definition at line 76 of file Neighbourhood.cpp.

References FLAG_LS_PLANE, m_lsPlaneEquation, m_lsPlaneVectors, m_structuresValidity, and X.

◆ triangulateFromQuadric()

GenericIndexedMesh * Neighbourhood::triangulateFromQuadric	(	unsigned	stepsX,
		unsigned	stepsY
	)

Fit a quadric on point set (see getQuadric) then triangulates it inside bounding box

Definition at line 682 of file Neighbourhood.cpp.

References cloudViewer::PointCloudTpl< T >::addPoint(), cloudViewer::SimpleMesh::addTriangle(), cloudViewer::GenericCloud::getBoundingBox(), getGravityCenter(), getQuadric(), m_associatedCloud, m_quadricEquationDirections, cloudViewer::SimpleMesh::reserve(), cloudViewer::PointCloudTpl< T >::reserve(), Tuple3Tpl< Type >::u, Tuple3Tpl< Type >::x, X, Tuple3Tpl< Type >::y, and Tuple3Tpl< Type >::z.

◆ triangulateOnPlane()

GenericIndexedMesh * Neighbourhood::triangulateOnPlane	(	bool	duplicateVertices,
		PointCoordinateType	maxEdgeLength,
		std::string &	outputErrorStr
	)

Applies 2D Delaunay triangulation.

Cloud selection is first projected on the best least-square plane.

Parameters

duplicateVertices	whether to duplicate vertices (a new point cloud is created) or to use the associated one)
maxEdgeLength	max edge length for output triangles (IGNORE_MAX_EDGE_LENGTH = ignored)
outputErrorStr	error (if any)

Definition at line 620 of file Neighbourhood.cpp.

References cloudViewer::PointCloudTpl< T >::addPoint(), cloudViewer::Delaunay2dMesh::buildMesh(), computeLargestRadius(), count, CV_LOCAL_MODEL_MIN_SIZE, cloudViewer::GenericIndexedCloud::getPoint(), cloudViewer::LessThanEpsilon(), cloudViewer::Delaunay2dMesh::linkMeshWith(), m_associatedCloud, cloudViewer::Delaunay2dMesh::removeTrianglesWithEdgesLongerThan(), cloudViewer::PointCloudTpl< T >::reserve(), cloudViewer::GenericCloud::size(), cloudViewer::Delaunay2dMesh::size(), TRI, and cloudViewer::Delaunay2dMesh::USE_ALL_POINTS.

Referenced by cloudViewer::PointProjectionTools::computeTriangulation(), and cloudViewer::LocalModel::New().

Member Data Documentation

◆ DO_NOT_DUPLICATE_VERTICES

constexpr bool cloudViewer::Neighbourhood::DO_NOT_DUPLICATE_VERTICES = false

staticconstexpr

Definition at line 30 of file Neighbourhood.h.

Referenced by cloudViewer::PointProjectionTools::computeTriangulation().

◆ DUPLICATE_VERTICES

constexpr bool cloudViewer::Neighbourhood::DUPLICATE_VERTICES = true

staticconstexpr

Definition at line 29 of file Neighbourhood.h.

Referenced by cloudViewer::LocalModel::New().

◆ IGNORE_MAX_EDGE_LENGTH

constexpr int cloudViewer::Neighbourhood::IGNORE_MAX_EDGE_LENGTH = 0

staticconstexpr

Definition at line 27 of file Neighbourhood.h.

Referenced by cloudViewer::LocalModel::New().

◆ m_associatedCloud

GenericIndexedCloudPersist* cloudViewer::Neighbourhood::m_associatedCloud

protected

Associated cloud.

Definition at line 319 of file Neighbourhood.h.

Referenced by compute3DQuadric(), computeCovarianceMatrix(), computeCurvature(), computeFeature(), computeGravityCenter(), computeLargestRadius(), computeLeastSquareBestFittingPlane(), computeMomentOrder1(), computeQuadric(), Neighbourhood(), triangulateFromQuadric(), and triangulateOnPlane().

◆ m_gravityCenter

CCVector3 cloudViewer::Neighbourhood::m_gravityCenter

protected

Gravity center.

Only valid if 'structuresValidity & GRAVITY_CENTER != 0'.

Definition at line 306 of file Neighbourhood.h.

Referenced by getGravityCenter(), and setGravityCenter().

◆ m_lsPlaneEquation

PointCoordinateType cloudViewer::Neighbourhood::m_lsPlaneEquation[4]

protected

Least-square best fitting plane parameters.

Array [a,b,c,d] such that ax+by+cz = d Only valid if 'structuresValidity & LS_PLANE != 0'.

Definition at line 296 of file Neighbourhood.h.

Referenced by computeLeastSquareBestFittingPlane(), getLSPlane(), Neighbourhood(), and setLSPlane().

◆ m_lsPlaneVectors

CCVector3 cloudViewer::Neighbourhood::m_lsPlaneVectors[3]

protected

Least-square best fitting plane base vectors.

Only valid if 'structuresValidity & LS_PLANE != 0'.

Definition at line 301 of file Neighbourhood.h.

Referenced by computeLeastSquareBestFittingPlane(), getLSPlaneNormal(), getLSPlaneX(), getLSPlaneY(), and setLSPlane().

◆ m_quadricEquation

PointCoordinateType cloudViewer::Neighbourhood::m_quadricEquation[6]

protected

2.5D Quadric equation

Array [a,b,c,d,e,f] such that Z = a + b.X + c.Y + d.X^2 + e.X.Y + f.Y^2.

Warning: : 'X','Y' and 'Z' are defined by 'm_quadricEquationDirections' Only valid if 'structuresValidity & QUADRIC != 0'.

Definition at line 284 of file Neighbourhood.h.

Referenced by computeQuadric(), getQuadric(), and Neighbourhood().

◆ m_quadricEquationDirections

Tuple3ub cloudViewer::Neighbourhood::m_quadricEquationDirections

protected

2.5D Quadric equation dimensions

Array (index(X),index(Y),index(Z)) where: 0=x, 1=y, 2=z Only valid if 'structuresValidity & QUADRIC != 0'.

Definition at line 290 of file Neighbourhood.h.

Referenced by computeCurvature(), computeQuadric(), getQuadric(), and triangulateFromQuadric().

◆ m_structuresValidity

unsigned char cloudViewer::Neighbourhood::m_structuresValidity

protected

Geometrical elements validity (flags)

Definition at line 309 of file Neighbourhood.h.

Referenced by computeGravityCenter(), computeLeastSquareBestFittingPlane(), computeQuadric(), getGravityCenter(), getLSPlane(), getLSPlaneNormal(), getLSPlaneX(), getLSPlaneY(), getQuadric(), reset(), setGravityCenter(), and setLSPlane().

The documentation for this class was generated from the following files:

/root/ACloudViewer/core/include/Neighbourhood.h
/root/ACloudViewer/core/src/Neighbourhood.cpp

Public Types

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ CurvatureType

◆ GeomElement

◆ GeomFeature

◆ InputVectorsUsage

Constructor & Destructor Documentation

◆ Neighbourhood()

◆ ~Neighbourhood()

Member Function Documentation

◆ associatedCloud()

◆ compute3DQuadric()

◆ computeCovarianceMatrix()

◆ computeCurvature()

◆ computeFeature()

◆ computeGravityCenter()

◆ computeLargestRadius()

◆ computeLeastSquareBestFittingPlane()

◆ computeMomentOrder1()

◆ computeQuadric()

◆ computeRoughness()

◆ getGravityCenter()

◆ getLSPlane()

◆ getLSPlaneNormal()

◆ getLSPlaneX()

◆ getLSPlaneY()

◆ getQuadric()

◆ projectPointsOn2DPlane()

◆ reset()

◆ setGravityCenter()

◆ setLSPlane()

◆ triangulateFromQuadric()

◆ triangulateOnPlane()

Member Data Documentation

◆ DO_NOT_DUPLICATE_VERTICES

◆ DUPLICATE_VERTICES

◆ IGNORE_MAX_EDGE_LENGTH

◆ m_associatedCloud

◆ m_gravityCenter

◆ m_lsPlaneEquation

◆ m_lsPlaneVectors

◆ m_quadricEquation

◆ m_quadricEquationDirections

◆ m_structuresValidity