MeshCore::Approximation Class Reference

Abstract base class for approximation of a geometry to a given set of points. More...

#include <Approximation.h>

Inheritance diagram for MeshCore::Approximation:

List of all members.

Public Member Functions
void	AddPoint (const Base::Vector3f &rcVector)
	Add point for the fit algorithm.
void	AddPoints (const std::list< Base::Vector3f > &rsPointList)
	Add points for the fit algorithm.
void	AddPoints (const std::set< Base::Vector3f > &rsPointSet)
	Add points for the fit algorithm.
void	AddPoints (const std::vector< Base::Vector3f > &rvPointVect)
	Add points for the fit algorithm.
	Approximation ()
	Construction.
void	Clear ()
	Deletes the inserted points and frees any allocated resources.
unsigned long	CountPoints () const
	Determines the number of the current added points.
bool	Done () const
	Returns true if Fit() has been called for the current set of points, false otherwise.
virtual float	Fit ()=0
	Pure virtual function to fit the geometry to the given points.
Base::Vector3f	GetGravity () const
	Returns the center of gravity of the current added points.
float	GetLastResult () const
	Returns the result of the last fit.
const std::list< Base::Vector3f > &	GetPoints () const
	Get all added points.
virtual	~Approximation ()
	Destroys the object and frees any allocated resources.
Protected Member Functions
void	GetMgcVectorArray (std::vector< Wm4::Vector3< float > > &rcPts) const
	Creates a vector of Wm4::Vector3 elements.
Static Protected Member Functions
static void	Convert (const Base::Vector3f &, Wm4::Vector3< float > &)
	Converts point from Base::Vector3f to Wm4::Vector3.
static void	Convert (const Wm4::Vector3< float > &, Base::Vector3f &)
	Converts point from Wm4::Vector3 to Base::Vector3f.
Protected Attributes
bool	_bIsFitted
	Flag, whether the fit has been called.
float	_fLastResult
	Stores the last result of the fit.
std::list< Base::Vector3f >	_vPoints
	Holds the points for the fit algorithm.

Detailed Description

Abstract base class for approximation of a geometry to a given set of points.

Definition at line 43 of file Approximation.h.

Constructor & Destructor Documentation

MeshCore::Approximation::Approximation ( ) [inline]

Construction.

Definition at line 49 of file Approximation.h.

virtual MeshCore::Approximation::~Approximation ( ) [inline, virtual]

Destroys the object and frees any allocated resources.

Definition at line 53 of file Approximation.h.

Member Function Documentation

void Approximation::AddPoint ( const Base::Vector3f & rcVector )

Add point for the fit algorithm.

Definition at line 80 of file Approximation.cpp.

References _bIsFitted, and _vPoints.

Referenced by Reen::ParameterCorrection::CalcEigenvectors(), MeshCore::MeshEigensystem::CalculateLocalSystem(), MeshCore::MeshRefPointToPoints::GetNormal(), MeshCore::AbstractPolygonTriangulator::GetTransformToFitPlane(), MeshCore::MeshPlaneVisitor::MeshPlaneVisitor(), MeshCore::AbstractPolygonTriangulator::ProjectOntoSurface(), MeshCore::MeshSmoothing::Smooth(), and MeshCore::MeshPlaneVisitor::Visit().

void Approximation::AddPoints ( const std::list< Base::Vector3f > & rsPointList )

Add points for the fit algorithm.

Definition at line 102 of file Approximation.cpp.

References _bIsFitted, and _vPoints.

void Approximation::AddPoints ( const std::set< Base::Vector3f > & rsPointSet )

Add points for the fit algorithm.

Definition at line 94 of file Approximation.cpp.

References _bIsFitted, and _vPoints.

void Approximation::AddPoints ( const std::vector< Base::Vector3f > & rvPointVect )

Add points for the fit algorithm.

Definition at line 86 of file Approximation.cpp.

References _bIsFitted, and _vPoints.

Referenced by CmdApproxPlane::activated(), and best_fit::PointCloud_Coarse().

void Approximation::Clear ( void )

Deletes the inserted points and frees any allocated resources.

Definition at line 124 of file Approximation.cpp.

References _bIsFitted, and _vPoints.

Referenced by best_fit::PointCloud_Coarse().

void Approximation::Convert	(	const Base::Vector3f &	pt,
		Wm4::Vector3< float > &	Wm4
	)			`[static, protected]`

Converts point from Base::Vector3f to Wm4::Vector3.

Definition at line 66 of file Approximation.cpp.

References Base::Vector3< _Precision >::x, Wm4::Vector3< Real >::X(), Base::Vector3< _Precision >::y, Wm4::Vector3< Real >::Y(), Base::Vector3< _Precision >::z, and Wm4::Vector3< Real >::Z().

void Approximation::Convert	(	const Wm4::Vector3< float > &	Wm4,
		Base::Vector3f &	pt
	)			`[static, protected]`

Converts point from Wm4::Vector3 to Base::Vector3f.

Definition at line 61 of file Approximation.cpp.

References Base::Vector3< _Precision >::Set(), Wm4::Vector3< Real >::X(), Wm4::Vector3< Real >::Y(), and Wm4::Vector3< Real >::Z().

Referenced by MeshCore::QuadraticFit::CalcEigenValues(), MeshCore::SurfaceFit::GetCurvatureInfo(), and MeshCore::QuadraticFit::GetCurvatureInfo().

unsigned long Approximation::CountPoints ( ) const

Determines the number of the current added points.

Returns:: Number of points

Definition at line 119 of file Approximation.cpp.

References _vPoints.

Referenced by MeshCore::SurfaceFit::Fit(), MeshCore::QuadraticFit::Fit(), MeshCore::PlaneFit::Fit(), MeshCore::PlaneFit::GetSignedStdDeviation(), MeshCore::PlaneFit::GetStdDeviation(), and MeshCore::AbstractPolygonTriangulator::ProjectOntoSurface().

bool Approximation::Done ( ) const

Returns true if Fit() has been called for the current set of points, false otherwise.

Definition at line 135 of file Approximation.cpp.

References _bIsFitted.

Referenced by MeshCore::MeshPlaneVisitor::AllowVisit().

virtual float MeshCore::Approximation::Fit ( ) [pure virtual]

Pure virtual function to fit the geometry to the given points.

This function must be implemented by every subclass.

Implemented in MeshCore::PlaneFit, MeshCore::QuadraticFit, MeshCore::SurfaceFit, and MeshCore::PolynomialFit.

Base::Vector3f Approximation::GetGravity ( ) const

Returns the center of gravity of the current added points.

Returns:: Base::Vector3f

Definition at line 110 of file Approximation.cpp.

References _vPoints.

Referenced by best_fit::PointCloud_Coarse(), and MeshCore::PlaneFit::ProjectToPlane().

float Approximation::GetLastResult ( ) const

Returns the result of the last fit.

Returns:: float Quality of the last fit.

Definition at line 130 of file Approximation.cpp.

References _fLastResult.

void Approximation::GetMgcVectorArray ( std::vector< Wm4::Vector3< float > > & rcPts ) const [protected]

Creates a vector of Wm4::Vector3 elements.

Definition at line 71 of file Approximation.cpp.

References _vPoints.

Referenced by MeshCore::QuadraticFit::Fit().

const std::list<Base::Vector3f>& MeshCore::Approximation::GetPoints ( ) const [inline]

Get all added points.

Definition at line 73 of file Approximation.h.

Member Data Documentation

float MeshCore::Approximation::_fLastResult [protected]

Stores the last result of the fit.

Definition at line 120 of file Approximation.h.

Referenced by MeshCore::SurfaceFit::Fit(), MeshCore::QuadraticFit::Fit(), MeshCore::PlaneFit::Fit(), and GetLastResult().

std::list< Base::Vector3f > MeshCore::Approximation::_vPoints [protected]

Holds the points for the fit algorithm.

Definition at line 118 of file Approximation.h.

Referenced by AddPoint(), AddPoints(), Clear(), CountPoints(), MeshCore::PolynomialFit::Fit(), MeshCore::PlaneFit::Fit(), GetGravity(), GetMgcVectorArray(), MeshCore::PlaneFit::GetSignedStdDeviation(), MeshCore::PlaneFit::GetStdDeviation(), MeshCore::SurfaceFit::PolynomFit(), and MeshCore::PlaneFit::ProjectToPlane().

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

Generated on Wed Nov 23 19:02:23 2011 for FreeCAD by 1.6.1