MeshCore::Approximation Class Reference

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

#include <Approximation.h>

Public Member Functions
void	AddPoint (const Base::Vector3f &rcVector)
	Add point for the fit algorithm. More...
void	AddPoints (const MeshPointArray &points)
	Add points for the fit algorithm. More...
void	AddPoints (const std::list< Base::Vector3f > &rsPointList)
	Add points for the fit algorithm. More...
void	AddPoints (const std::set< Base::Vector3f > &rsPointSet)
	Add points for the fit algorithm. More...
void	AddPoints (const std::vector< Base::Vector3f > &rvPointVect)
	Add points for the fit algorithm. More...
	Approximation ()
	Construction. More...
void	Clear ()
	Deletes the inserted points and frees any allocated resources. More...
std::size_t	CountPoints () const
	Determines the number of the current added points. More...
bool	Done () const
	Returns true if Fit() has been called for the current set of points, false otherwise. More...
virtual float	Fit ()=0
	Pure virtual function to fit the geometry to the given points. More...
Base::Vector3f	GetGravity () const
	Returns the center of gravity of the current added points. More...
float	GetLastResult () const
	Returns the result of the last fit. More...
const std::list< Base::Vector3f > &	GetPoints () const
	Get all added points. More...
virtual	~Approximation ()
	Destroys the object and frees any allocated resources. More...

Protected Member Functions
void	GetMgcVectorArray (std::vector< Wm4::Vector3< double > > &rcPts) const
	Creates a vector of Wm4::Vector3 elements. More...

Detailed Description

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

Constructor & Destructor Documentation

Approximation()

Approximation::Approximation

(

)

Construction.

~Approximation()

Approximation::~Approximation ( )

virtual

Destroys the object and frees any allocated resources.

References Clear().

Member Function Documentation

AddPoint()

void Approximation::AddPoint

(

const Base::Vector3f &

rcVector

)

Add point for the fit algorithm.

Referenced by MeshCore::MeshDistancePlanarSegment::AddFacet(), MeshCore::PlaneSurfaceFit::AddTriangle(), MeshCore::CylinderSurfaceFit::AddTriangle(), MeshCore::SphereSurfaceFit::AddTriangle(), Reen::ParameterCorrection::CalcEigenvectors(), MeshCore::MeshEigensystem::CalculateLocalSystem(), MeshCore::MeshRefPointToPoints::GetNormal(), MeshCore::AbstractPolygonTriangulator::GetTransformToFitPlane(), MeshCore::PlaneSurfaceFit::Initialize(), MeshCore::CylinderSurfaceFit::Initialize(), MeshCore::SphereSurfaceFit::Initialize(), MeshCore::MeshDistancePlanarSegment::Initialize(), MeshCore::MeshPlaneVisitor::MeshPlaneVisitor(), MeshCore::AbstractPolygonTriangulator::PostProcessing(), MeshCore::PlaneFitSmoothing::Smooth(), MeshCore::PlaneFitSmoothing::SmoothPoints(), and MeshCore::MeshPlaneVisitor::Visit().

AddPoints() [1/4]

void Approximation::AddPoints

(

const MeshPointArray &

points

)

Add points for the fit algorithm.

AddPoints() [2/4]

void Approximation::AddPoints

(

const std::list< Base::Vector3f > &

rsPointList

)

Add points for the fit algorithm.

AddPoints() [3/4]

void Approximation::AddPoints

(

const std::set< Base::Vector3f > &

rsPointSet

)

Add points for the fit algorithm.

AddPoints() [4/4]

void Approximation::AddPoints

(

const std::vector< Base::Vector3f > &

rvPointVect

)

Add points for the fit algorithm.

Referenced by ReverseEngineeringGui::Segmentation::accept(), MeshCore::FacetCurvature::Compute(), MeshCore::CylinderFit::Fit(), MeshCore::SphereFit::Fit(), MeshCore::CylinderFit::GetInitialAxisFromNormals(), MeshGui::PlaneFitParameter::getParameter(), MeshGui::CylinderFitParameter::getParameter(), MeshGui::SphereFitParameter::getParameter(), ReverseEngineeringGui::SegmentationManual::on_cylinderDetect_clicked(), ReverseEngineeringGui::SegmentationManual::on_planeDetect_clicked(), and ReverseEngineeringGui::SegmentationManual::on_sphereDetect_clicked().

Clear()

void Approximation::Clear

(

void

)

Deletes the inserted points and frees any allocated resources.

Referenced by MeshCore::PlaneSurfaceFit::Initialize(), MeshCore::CylinderSurfaceFit::Initialize(), MeshCore::SphereSurfaceFit::Initialize(), MeshCore::MeshDistancePlanarSegment::Initialize(), and ~Approximation().

CountPoints()

std::size_t Approximation::CountPoints

(

)

const

Determines the number of the current added points.

Returns

Number of points

Referenced by MeshCore::PlaneFit::Fit(), MeshCore::QuadraticFit::Fit(), MeshCore::SurfaceFit::Fit(), MeshCore::CylinderFit::Fit(), MeshCore::SphereFit::Fit(), MeshCoreFit::CylinderFit::Fit(), MeshCoreFit::SphereFit::Fit(), MeshCore::PlaneFit::GetSignedStdDeviation(), MeshCore::PlaneFit::GetStdDeviation(), MeshCore::CylinderFit::GetStdDeviation(), MeshCore::SphereFit::GetStdDeviation(), MeshCoreFit::CylinderFit::GetStdDeviation(), MeshCoreFit::SphereFit::GetStdDeviation(), and MeshCore::AbstractPolygonTriangulator::PostProcessing().

Done()

bool Approximation::Done

(

)

const

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

Referenced by MeshCore::MeshPlaneVisitor::AllowVisit(), MeshCore::PlaneSurfaceFit::Done(), MeshCore::CylinderSurfaceFit::Done(), MeshCore::SphereSurfaceFit::Done(), MeshCore::CylinderSurfaceFit::GetDistanceToSurface(), and MeshCore::MeshDistancePlanarSegment::TestFacet().

Fit()

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, MeshCore::CylinderFit, MeshCore::SphereFit, MeshCore::PolynomialFit, MeshCoreFit::CylinderFit, and MeshCoreFit::SphereFit.

GetGravity()

Base::Vector3f Approximation::GetGravity

(

)

const

Returns the center of gravity of the current added points.

Returns

Base::Vector3f

Referenced by MeshGui::CylinderFitParameter::getParameter(), ReverseEngineeringGui::SegmentationManual::on_cylinderDetect_clicked(), and MeshCore::PlaneFit::ProjectToPlane().

GetLastResult()

float Approximation::GetLastResult

(

)

const

Returns the result of the last fit.

Returns

float Quality of the last fit.

GetMgcVectorArray()

void Approximation::GetMgcVectorArray ( std::vector< Wm4::Vector3< double > > &  rcPts ) const

protected

Creates a vector of Wm4::Vector3 elements.

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

GetPoints()

const std::list< Base::Vector3f > & MeshCore::Approximation::GetPoints

(

)

const

Get all added points.

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

• FreeCAD/src/Mod/Mesh/App/Core/Approximation.h
• FreeCAD/src/Mod/Mesh/App/Core/Approximation.cpp