GeomGridEval_Ellipse Class Reference

Efficient batch evaluator for ellipse grid points. More...

#include <GeomGridEval_Ellipse.hxx>

Public Member Functions
	GeomGridEval_Ellipse (const occ::handle< Geom_Ellipse > &theEllipse)
	Constructor with geometry.
	GeomGridEval_Ellipse (const GeomGridEval_Ellipse &)=delete
	Non-copyable and non-movable.
GeomGridEval_Ellipse &	operator= (const GeomGridEval_Ellipse &)=delete
	GeomGridEval_Ellipse (GeomGridEval_Ellipse &&)=delete
GeomGridEval_Ellipse &	operator= (GeomGridEval_Ellipse &&)=delete
const occ::handle< Geom_Ellipse > &	Geometry () const
	Returns the geometry handle.
NCollection_Array1< gp_Pnt >	EvaluateGrid (const NCollection_Array1< double > &theParams) const
	Evaluate all grid points.
NCollection_Array1< GeomGridEval::CurveD1 >	EvaluateGridD1 (const NCollection_Array1< double > &theParams) const
	Evaluate all grid points with first derivative.
NCollection_Array1< GeomGridEval::CurveD2 >	EvaluateGridD2 (const NCollection_Array1< double > &theParams) const
	Evaluate all grid points with first and second derivatives.
NCollection_Array1< GeomGridEval::CurveD3 >	EvaluateGridD3 (const NCollection_Array1< double > &theParams) const
	Evaluate all grid points with first, second, and third derivatives.
NCollection_Array1< gp_Vec >	EvaluateGridDN (const NCollection_Array1< double > &theParams, int theN) const
	Evaluate Nth derivative at all grid points. Ellipse has cyclic derivatives with period 4: D1 = -MajR * sin(u) * X + MinR * cos(u) * Y D2 = -MajR * cos(u) * X - MinR * sin(u) * Y D3 = MajR * sin(u) * X - MinR * cos(u) * Y D4 = MajR * cos(u) * X + MinR * sin(u) * Y = D0, then repeats.

Detailed Description

Efficient batch evaluator for ellipse grid points.

Uses analytical formula: P(u) = Center + MajorRadius * cos(u) * XDir + MinorRadius * sin(u) * YDir

Usage:

GeomGridEval_Ellipse anEvaluator(myGeomEllipse);
NCollection_Array1<gp_Pnt> aGrid = anEvaluator.EvaluateGrid(myParams);

Constructor & Destructor Documentation

GeomGridEval_Ellipse() [1/3]

GeomGridEval_Ellipse::GeomGridEval_Ellipse ( const occ::handle< Geom_Ellipse > & theEllipse )

inline

Constructor with geometry.

Parameters

theEllipse

the ellipse geometry to evaluate

GeomGridEval_Ellipse() [2/3]

GeomGridEval_Ellipse::GeomGridEval_Ellipse ( const GeomGridEval_Ellipse & )

delete

Non-copyable and non-movable.

GeomGridEval_Ellipse() [3/3]

GeomGridEval_Ellipse::GeomGridEval_Ellipse ( GeomGridEval_Ellipse && )

delete

Member Function Documentation

EvaluateGrid()

NCollection_Array1< gp_Pnt > GeomGridEval_Ellipse::EvaluateGrid

(

const NCollection_Array1< double > &

theParams

)

const

Evaluate all grid points.

Parameters

theParams

array of parameter values

Returns

array of evaluated points (1-based indexing), or empty array if geometry is null or no parameters

EvaluateGridD1()

NCollection_Array1< GeomGridEval::CurveD1 > GeomGridEval_Ellipse::EvaluateGridD1

(

const NCollection_Array1< double > &

theParams

)

const

Evaluate all grid points with first derivative.

Parameters

theParams

array of parameter values

Returns

array of CurveD1 (1-based indexing)

EvaluateGridD2()

NCollection_Array1< GeomGridEval::CurveD2 > GeomGridEval_Ellipse::EvaluateGridD2

(

const NCollection_Array1< double > &

theParams

)

const

Evaluate all grid points with first and second derivatives.

Parameters

theParams

array of parameter values

Returns

array of CurveD2 (1-based indexing)

EvaluateGridD3()

NCollection_Array1< GeomGridEval::CurveD3 > GeomGridEval_Ellipse::EvaluateGridD3

(

const NCollection_Array1< double > &

theParams

)

const

Evaluate all grid points with first, second, and third derivatives.

Parameters

theParams

array of parameter values

Returns

array of CurveD3 (1-based indexing)

EvaluateGridDN()

NCollection_Array1< gp_Vec > GeomGridEval_Ellipse::EvaluateGridDN	(	const NCollection_Array1< double > &	theParams,
		int	theN ) const

Evaluate Nth derivative at all grid points. Ellipse has cyclic derivatives with period 4: D1 = -MajR * sin(u) * X + MinR * cos(u) * Y D2 = -MajR * cos(u) * X - MinR * sin(u) * Y D3 = MajR * sin(u) * X - MinR * cos(u) * Y D4 = MajR * cos(u) * X + MinR * sin(u) * Y = D0, then repeats.

Parameters

theParams	array of parameter values
theN	derivative order (N >= 1)

Returns

array of derivative vectors (1-based indexing)

Geometry()

const occ::handle< Geom_Ellipse > & GeomGridEval_Ellipse::Geometry ( ) const

inline

Returns the geometry handle.

operator=() [1/2]

GeomGridEval_Ellipse & GeomGridEval_Ellipse::operator= ( const GeomGridEval_Ellipse & )

delete

operator=() [2/2]

GeomGridEval_Ellipse & GeomGridEval_Ellipse::operator= ( GeomGridEval_Ellipse && )

delete

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

• GeomGridEval_Ellipse.hxx