Open CASCADE Technology  7.4.0
Public Member Functions

GeomAPI_PointsToBSpline Class Reference

This class is used to approximate a BsplineCurve passing through an array of points, with a given Continuity. Describes functions for building a 3D BSpline curve which approximates a set of points. A PointsToBSpline object provides a framework for: More...

#include <GeomAPI_PointsToBSpline.hxx>

Public Member Functions

 GeomAPI_PointsToBSpline ()
 Constructs an empty approximation algorithm. Use an Init function to define and build the BSpline curve. More...
 
 GeomAPI_PointsToBSpline (const TColgp_Array1OfPnt &Points, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
 GeomAPI_PointsToBSpline (const TColgp_Array1OfPnt &Points, const Approx_ParametrizationType ParType, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
 GeomAPI_PointsToBSpline (const TColgp_Array1OfPnt &Points, const TColStd_Array1OfReal &Parameters, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point, which parameters are given by the array <Parameters>. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
 GeomAPI_PointsToBSpline (const TColgp_Array1OfPnt &Points, const Standard_Real Weight1, const Standard_Real Weight2, const Standard_Real Weight3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point using variational smoothing algorithm, which tries to minimize additional criterium: Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion. More...
 
void Init (const TColgp_Array1OfPnt &Points, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
void Init (const TColgp_Array1OfPnt &Points, const Approx_ParametrizationType ParType, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
void Init (const TColgp_Array1OfPnt &Points, const TColStd_Array1OfReal &Parameters, const Standard_Integer DegMin=3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point, which parameters are given by the array <Parameters>. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D. More...
 
void Init (const TColgp_Array1OfPnt &Points, const Standard_Real Weight1, const Standard_Real Weight2, const Standard_Real Weight3, const Standard_Integer DegMax=8, const GeomAbs_Shape Continuity=GeomAbs_C2, const Standard_Real Tol3D=1.0e-3)
 Approximate a BSpline Curve passing through an array of Point using variational smoothing algorithm, which tries to minimize additional criterium: Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion. More...
 
const Handle< Geom_BSplineCurve > & Curve () const
 Returns the computed BSpline curve. Raises StdFail_NotDone if the curve is not built. More...
 
 operator Handle< Geom_BSplineCurve > () const
 
Standard_Boolean IsDone () const
 

Detailed Description

This class is used to approximate a BsplineCurve passing through an array of points, with a given Continuity. Describes functions for building a 3D BSpline curve which approximates a set of points. A PointsToBSpline object provides a framework for:

Constructor & Destructor Documentation

◆ GeomAPI_PointsToBSpline() [1/5]

GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline ( )

Constructs an empty approximation algorithm. Use an Init function to define and build the BSpline curve.

◆ GeomAPI_PointsToBSpline() [2/5]

GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline ( const TColgp_Array1OfPnt &  Points,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ GeomAPI_PointsToBSpline() [3/5]

GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline ( const TColgp_Array1OfPnt &  Points,
const Approx_ParametrizationType  ParType,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ GeomAPI_PointsToBSpline() [4/5]

GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline ( const TColgp_Array1OfPnt &  Points,
const TColStd_Array1OfReal &  Parameters,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point, which parameters are given by the array <Parameters>. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ GeomAPI_PointsToBSpline() [5/5]

GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline ( const TColgp_Array1OfPnt &  Points,
const Standard_Real  Weight1,
const Standard_Real  Weight2,
const Standard_Real  Weight3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point using variational smoothing algorithm, which tries to minimize additional criterium: Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion.

Member Function Documentation

◆ Curve()

const Handle< Geom_BSplineCurve >& GeomAPI_PointsToBSpline::Curve ( ) const

Returns the computed BSpline curve. Raises StdFail_NotDone if the curve is not built.

◆ Init() [1/4]

void GeomAPI_PointsToBSpline::Init ( const TColgp_Array1OfPnt &  Points,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ Init() [2/4]

void GeomAPI_PointsToBSpline::Init ( const TColgp_Array1OfPnt &  Points,
const Approx_ParametrizationType  ParType,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ Init() [3/4]

void GeomAPI_PointsToBSpline::Init ( const TColgp_Array1OfPnt &  Points,
const TColStd_Array1OfReal &  Parameters,
const Standard_Integer  DegMin = 3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point, which parameters are given by the array <Parameters>. The resulting BSpline will have the following properties: 1- his degree will be in the range [Degmin,Degmax] 2- his continuity will be at least <Continuity> 3- the distance from the point <Points> to the BSpline will be lower to Tol3D.

◆ Init() [4/4]

void GeomAPI_PointsToBSpline::Init ( const TColgp_Array1OfPnt &  Points,
const Standard_Real  Weight1,
const Standard_Real  Weight2,
const Standard_Real  Weight3,
const Standard_Integer  DegMax = 8,
const GeomAbs_Shape  Continuity = GeomAbs_C2,
const Standard_Real  Tol3D = 1.0e-3 
)

Approximate a BSpline Curve passing through an array of Point using variational smoothing algorithm, which tries to minimize additional criterium: Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion.

◆ IsDone()

Standard_Boolean GeomAPI_PointsToBSpline::IsDone ( ) const

◆ operator Handle< Geom_BSplineCurve >()

GeomAPI_PointsToBSpline::operator Handle< Geom_BSplineCurve > ( ) const
The documentation for this class was generated from the following file:
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