Open CASCADE Technology
7.5.0

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=1.0e3)  
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=1.0e3)  
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=1.0e3)  
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=1.0e3)  
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=1.0e3) 
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=1.0e3) 
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=1.0e3) 
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=1.0e3) 
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 
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:
GeomAPI_PointsToBSpline::GeomAPI_PointsToBSpline  (  ) 
Constructs an empty approximation algorithm. Use an Init function to define and build the BSpline curve.
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 = 1.0e3 

) 
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::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 = 1.0e3 

) 
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::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 = 1.0e3 

) 
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::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 = 1.0e3 

) 
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.
const Handle< Geom_BSplineCurve >& GeomAPI_PointsToBSpline::Curve  (  )  const 
Returns the computed BSpline curve. Raises StdFail_NotDone if the curve is not built.
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 = 1.0e3 

) 
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.
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 = 1.0e3 

) 
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.
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 = 1.0e3 

) 
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.
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 = 1.0e3 

) 
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.
Standard_Boolean GeomAPI_PointsToBSpline::IsDone  (  )  const 
GeomAPI_PointsToBSpline::operator Handle< Geom_BSplineCurve >  (  )  const 