Blend — OpenCascade.js

OCCT package Blend: Blend_AppFunction, Blend_CSFunction, Blend_CurvPointFuncInv, Blend_DecrochStatus, and 8 more bound classes.

Blend_AppFunction

math_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between two surfaces, using a guide line. The vector <X> used in Value, Values and Derivatives methods has to be the vector of the parametric coordinates U1,V1, U2,V2, of the extremities of a section on the first and second surface.

Instance methods(27)

NbVariables(): number
returns the number of variables of the function.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(Param: number): void
Sets the value of the parameter along the guide line. This determines the plane in which the solution has to be found.
Parameters (1)
- Param
Set(First: number, Last: number): void
Sets the bounds of the parametric interval on the guide line. This determines the derivatives in these values if the function is not Cn.
Parameters (2)
- First
- Last
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 4 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetTolerance(BoundTol: number, SurfTol: number, AngleTol: number, Tol3d: math_Vector, Tol1D: math_Vector): void
Returns the tolerance to reach in approximation to respect BoundTol error at the Boundary AngleTol tangent error at the Boundary SurfTol error inside the surface.
Parameters (5)
- BoundTol
- SurfTol
- AngleTol
- Tol3d
- Tol1D
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 4 variables. Returns in the vector SupBound the greatest values allowed for each of the 4 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space. The computation is made at the current value of the parameter on the guide line.
Parameters (2)
- Sol
- Tol
GetMinimalDistance(): number
Returns the minimal Distance between two extremities of calculated sections.
Pnt1(): gp_Pnt
Returns the point on the first support.
Pnt2(): gp_Pnt
Returns the point on the first support.
IsRational(): boolean
Returns if the section is rational.
GetSectionSize(): number
Returns the length of the maximum section.
GetMinimalWeight(Weigths: NCollection_Array1_double): void
Compute the minimal value of weight for each poles of all sections.
Parameters (1)
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
NbIntervals(S: GeomAbs_Shape): number
Returns the number of intervals for continuity . May be one if Continuity(me) >= .
Parameters (1)
- S
Intervals(T: NCollection_Array1_double, S: GeomAbs_Shape): void
Stores in <T> the parameters bounding the intervals of continuity .
The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals() raises OutOfRange from Standard
Parameters (2)
- T —
  Mutated in place; read the updated value from this argument after the call.
- S
GetShape(NbPoles: number, NbKnots: number, Degree: number, NbPoles2d: number): { NbPoles: number; NbKnots: number; Degree: number; NbPoles2d: number }
Parameters (4)
- NbPoles
- NbKnots
- Degree
- NbPoles2d
Knots(TKnots: NCollection_Array1_double): void
Parameters (1)
- TKnots
Mults(TMults: NCollection_Array1_int): void
Parameters (1)
- TMults
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (7)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, Poles2d: NCollection_Array1_gp_Pnt2d, Weigths: NCollection_Array1_double): void
Parameters (4)
- P
- Poles
- Poles2d
- Weigths
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, D2Poles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, D2Poles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double, D2Weigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (10)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
- D2Weigths —
  Mutated in place; read the updated value from this argument after the call.
Resolution(IC2d: number, Tol: number, TolU: number, TolV: number): { TolU: number; TolV: number }
Parameters (4)
- IC2d
- Tol
- TolU
- TolV
Parameter(P: Blend_Point): number
Returns the parameter of the point P. Used to impose the parameters in the approximation.
Parameters (1)
- P

Blend_CSFunction

Blend_AppFunctionmath_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between a surface and a curve, using a guide line. The vector <X> used in Value, Values and Derivatives methods may be the vector of the parametric coordinates U,V, W of the extremities of a section on the surface and the curve.

Instance methods(29)

NbVariables(): number
Returns 3 (default value). Can be redefined.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(Param: number): void
Sets the value of the parameter along the guide line. This determines the plane in which the solution has to be found.
Parameters (1)
- Param
Set(First: number, Last: number): void
Sets the bounds of the parametric interval on the guide line. This determines the derivatives in these values if the function is not Cn.
Parameters (2)
- First
- Last
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 3 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetTolerance(BoundTol: number, SurfTol: number, AngleTol: number, Tol3d: math_Vector, Tol1D: math_Vector): void
Returns the tolerance to reach in approximation to respect BoundTol error at the Boundary AngleTol tangent error at the Boundary SurfTol error inside the surface.
Parameters (5)
- BoundTol
- SurfTol
- AngleTol
- Tol3d
- Tol1D
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 3 variables. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space. The computation is made at the current value of the parameter on the guide line.
Parameters (2)
- Sol
- Tol
GetMinimalDistance(): number
Returns the minimal Distance between two extremities of calculated sections.
Pnt1(): gp_Pnt
Returns the point on the first support.
Pnt2(): gp_Pnt
Returns the point on the second support.
PointOnS(): gp_Pnt
Returns the point on the surface.
PointOnC(): gp_Pnt
Returns the point on the curve.
Pnt2d(): gp_Pnt2d
Returns U,V coordinates of the point on the surface.
ParameterOnC(): number
Returns parameter of the point on the curve.
IsTangencyPoint(): boolean
Returns True when it is not possible to compute the tangent vectors at PointOnS and/or PointOnC.
TangentOnS(): gp_Vec
Returns the tangent vector at PointOnS, in 3d space.
Tangent2d(): gp_Vec2d
Returns the tangent vector at PointOnS, in the parametric space of the first surface.
TangentOnC(): gp_Vec
Returns the tangent vector at PointOnC, in 3d space.
Tangent(U: number, V: number, TgS: gp_Vec, NormS: gp_Vec): void
Returns the tangent vector at the section, at the beginning and the end of the section, and returns the normal (of the surfaces) at these points.
Parameters (4)
- U
- V
- TgS —
  Mutated in place; read the updated value from this argument after the call.
- NormS —
  Mutated in place; read the updated value from this argument after the call.
GetShape(NbPoles: number, NbKnots: number, Degree: number, NbPoles2d: number): { NbPoles: number; NbKnots: number; Degree: number; NbPoles2d: number }
Parameters (4)
- NbPoles
- NbKnots
- Degree
- NbPoles2d
Knots(TKnots: NCollection_Array1_double): void
Parameters (1)
- TKnots
Mults(TMults: NCollection_Array1_int): void
Parameters (1)
- TMults
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (7)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, Poles2d: NCollection_Array1_gp_Pnt2d, Weigths: NCollection_Array1_double): void
Parameters (4)
- P
- Poles
- Poles2d
- Weigths
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, D2Poles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, D2Poles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double, D2Weigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (10)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
- D2Weigths —
  Mutated in place; read the updated value from this argument after the call.

Blend_CurvPointFuncInv

math_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between a surface and a curve, using a guide line. This function is used to find a solution on a done point of the curve. The vector <X> used in Value, Values and Derivatives methods has to be the vector of the parametric coordinates w, U, V where w is the parameter on the guide line, U,V are the parametric coordinates of a point on the partner surface.

Instance methods(9)

NbVariables(): number
Returns 3.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(P: gp_Pnt): void
Set the Point on which a solution has to be found.
Parameters (1)
- P
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 3 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 3 variables. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space.
Parameters (2)
- Sol
- Tol

Blend_DecrochStatus

Properties(4)

Blend_NoDecroch:'Blend_NoDecroch'readonly
Blend_DecrochRst1:'Blend_DecrochRst1'readonly
Blend_DecrochRst2:'Blend_DecrochRst2'readonly
Blend_DecrochBoth:'Blend_DecrochBoth'readonly

Blend_FuncInv

math_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between two surfaces, using a guide line. This function is used to find a solution on a restriction of one of the surface. The vector <X> used in Value, Values and Derivatives methods has to be the vector of the parametric coordinates t,w,U,V where t is the parameter on the curve on surface, w is the parameter on the guide line, U,V are the parametric coordinates of a point on the partner surface.

Instance methods(9)

NbVariables(): number
Returns 4.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(OnFirst: boolean, COnSurf: Adaptor2d_Curve2d): void
Sets the CurveOnSurface on which a solution has to be found. If <OnFirst> is set to true, the curve will be on the first surface, otherwise the curve is on the second one.
Parameters (2)
- OnFirst
- COnSurf
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 4 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 4 variables. Returns in the vector SupBound the greatest values allowed for each of the 4 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space.
Parameters (2)
- Sol
- Tol

Blend_Function

Blend_AppFunctionmath_FunctionSetWithDerivativesmath_FunctionSet

Instance methods(16)

NbVariables(): number
Returns 4.
Pnt1(): gp_Pnt
Returns the point on the first support.
Pnt2(): gp_Pnt
Returns the point on the second support.
PointOnS1(): gp_Pnt
Returns the point on the first surface, at parameter Sol(1),Sol(2) (Sol is the vector used in the call of IsSolution.
PointOnS2(): gp_Pnt
Returns the point on the second surface, at parameter Sol(3),Sol(4) (Sol is the vector used in the call of IsSolution.
IsTangencyPoint(): boolean
Returns True when it is not possible to compute the tangent vectors at PointOnS1 and/or PointOnS2.
TangentOnS1(): gp_Vec
Returns the tangent vector at PointOnS1, in 3d space.
Tangent2dOnS1(): gp_Vec2d
Returns the tangent vector at PointOnS1, in the parametric space of the first surface.
TangentOnS2(): gp_Vec
Returns the tangent vector at PointOnS2, in 3d space.
Tangent2dOnS2(): gp_Vec2d
Returns the tangent vector at PointOnS2, in the parametric space of the second surface.
Tangent(U1: number, V1: number, U2: number, V2: number, TgFirst: gp_Vec, TgLast: gp_Vec, NormFirst: gp_Vec, NormLast: gp_Vec): void
Returns the tangent vector at the section, at the beginning and the end of the section, and returns the normal (of the surfaces) at these points.
Parameters (8)
- U1
- V1
- U2
- V2
- TgFirst —
  Mutated in place; read the updated value from this argument after the call.
- TgLast —
  Mutated in place; read the updated value from this argument after the call.
- NormFirst —
  Mutated in place; read the updated value from this argument after the call.
- NormLast —
  Mutated in place; read the updated value from this argument after the call.
TwistOnS1(): boolean
TwistOnS2(): boolean
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, Poles2d: NCollection_Array1_gp_Pnt2d, Weigths: NCollection_Array1_double): void
Parameters (4)
- P
- Poles
- Poles2d
- Weigths
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, D2Poles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, D2Poles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double, D2Weigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (10)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
- D2Weigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double): boolean
Parameters (7)
- P
- Poles
- DPoles
- Poles2d
- DPoles2d
- Weigths
- DWeigths

Blend_Point

Constructors(9)

constructor(): Blend_Point
constructor(Pts: gp_Pnt, Ptc: gp_Pnt, Param: number, U: number, V: number, W: number): Blend_Point
Creates a point on a surface and a curve, without tangents.
Parameters (6)
- Pts
- Ptc
- Param
- U
- V
- W
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number): Blend_Point
Creates a point on 2 surfaces, without tangents.
Parameters (7)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC: number): Blend_Point
Creates a point on a surface and a curve on surface, without tangents.
Parameters (8)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC
constructor(Pts: gp_Pnt, Ptc: gp_Pnt, Param: number, U: number, V: number, W: number, Tgs: gp_Vec, Tgc: gp_Vec, Tg2d: gp_Vec2d): Blend_Point
Creates a point on a surface and a curve, with tangents.
Parameters (9)
- Pts
- Ptc
- Param
- U
- V
- W
- Tgs
- Tgc
- Tg2d
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC1: number, PC2: number): Blend_Point
Creates a point on two curves on surfaces, with tangents.
Parameters (9)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC1
- PC2
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): Blend_Point
Creates a point on 2 surfaces, with tangents.
Parameters (11)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- Tg1
- Tg2
- Tg12d
- Tg22d
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): Blend_Point
Creates a point on a surface and a curve on surface, with tangents.
Parameters (12)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC
- Tg1
- Tg2
- Tg12d
- Tg22d
constructor(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC1: number, PC2: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): Blend_Point
Creates a point on two curves on surfaces, with tangents.
Parameters (13)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC1
- PC2
- Tg1
- Tg2
- Tg12d
- Tg22d

Instance methods(33)

SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, PC1: number, PC2: number): void
Creates a point on two curves.
Parameters (5)
- Pt1
- Pt2
- Param
- PC1
- PC2
SetValue(Pts: gp_Pnt, Ptc: gp_Pnt, Param: number, U: number, V: number, W: number): void
Set the values for a point on a surface and a curve, without tangents.
Parameters (6)
- Pts
- Ptc
- Param
- U
- V
- W
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number): void
Set the values for a point on 2 surfaces, without tangents.
Parameters (7)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC: number): void
Creates a point on a surface and a curve on surface, without tangents.
Parameters (8)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC
SetValue(Pts: gp_Pnt, Ptc: gp_Pnt, Param: number, U: number, V: number, W: number, Tgs: gp_Vec, Tgc: gp_Vec, Tg2d: gp_Vec2d): void
Set the values for a point on a surface and a curve, with tangents.
Parameters (9)
- Pts
- Ptc
- Param
- U
- V
- W
- Tgs
- Tgc
- Tg2d
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC1: number, PC2: number): void
Creates a point on two curves on surfaces, without tangents.
Parameters (9)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC1
- PC2
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): void
Set the values for a point on 2 surfaces, with tangents.
Parameters (11)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- Tg1
- Tg2
- Tg12d
- Tg22d
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): void
Creates a point on a surface and a curve on surface, with tangents.
Parameters (12)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC
- Tg1
- Tg2
- Tg12d
- Tg22d
SetValue(Pt1: gp_Pnt, Pt2: gp_Pnt, Param: number, U1: number, V1: number, U2: number, V2: number, PC1: number, PC2: number, Tg1: gp_Vec, Tg2: gp_Vec, Tg12d: gp_Vec2d, Tg22d: gp_Vec2d): void
Creates a point on two curves on surfaces, with tangents.
Parameters (13)
- Pt1
- Pt2
- Param
- U1
- V1
- U2
- V2
- PC1
- PC2
- Tg1
- Tg2
- Tg12d
- Tg22d
SetParameter(Param: number): void
Changes parameter on existing point.
Parameters (1)
- Param
Parameter(): number
IsTangencyPoint(): boolean
Returns true if it was not possible to compute the tangent vectors at PointOnS1 and/or PointOnS2.
PointOnS1(): gp_Pnt
PointOnS2(): gp_Pnt
ParametersOnS1(U: number, V: number): { U: number; V: number }
Parameters (2)
- U
- V
ParametersOnS2(U: number, V: number): { U: number; V: number }
Parameters (2)
- U
- V
TangentOnS1(): gp_Vec
TangentOnS2(): gp_Vec
Tangent2dOnS1(): gp_Vec2d
Tangent2dOnS2(): gp_Vec2d
PointOnS(): gp_Pnt
PointOnC(): gp_Pnt
ParametersOnS(U: number, V: number): { U: number; V: number }
Parameters (2)
- U
- V
ParameterOnC(): number
TangentOnS(): gp_Vec
TangentOnC(): gp_Vec
Tangent2d(): gp_Vec2d
PointOnC1(): gp_Pnt
PointOnC2(): gp_Pnt
ParameterOnC1(): number
ParameterOnC2(): number
TangentOnC1(): gp_Vec
TangentOnC2(): gp_Vec

Blend_RstRstFunction

Blend_AppFunctionmath_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between a surface and a pcurve on an other Surface, using a guide line. The vector <X> used in Value, Values and Derivatives methods may be the vector of the parametric coordinates U,V, W of the extremities of a section on the surface and the curve.

Instance methods(37)

NbVariables(): number
Returns 2 (default value). Can be redefined.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(Param: number): void
Sets the value of the parameter along the guide line. This determines the plane in which the solution has to be found.
Parameters (1)
- Param
Set(First: number, Last: number): void
Sets the bounds of the parametric interval on the guide line. This determines the derivatives in these values if the function is not Cn.
Parameters (2)
- First
- Last
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each variable; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetTolerance(BoundTol: number, SurfTol: number, AngleTol: number, Tol3d: math_Vector, Tol1D: math_Vector): void
Returns the tolerance to reach in approximation to respect BoundTol error at the Boundary AngleTol tangent error at the Boundary SurfTol error inside the surface.
Parameters (5)
- BoundTol
- SurfTol
- AngleTol
- Tol3d
- Tol1D
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each variables. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space. The computation is made at the current value of the parameter on the guide line.
Parameters (2)
- Sol
- Tol
GetMinimalDistance(): number
Returns the minimal Distance between two extremities of calculated sections.
Pnt1(): gp_Pnt
Returns the point on the first support.
Pnt2(): gp_Pnt
Returns the point on the second support.
PointOnRst1(): gp_Pnt
Returns the point on the surface.
PointOnRst2(): gp_Pnt
Returns the point on the curve.
Pnt2dOnRst1(): gp_Pnt2d
Returns U,V coordinates of the point on the surface.
Pnt2dOnRst2(): gp_Pnt2d
Returns U,V coordinates of the point on the curve on surface.
ParameterOnRst1(): number
Returns parameter of the point on the curve.
ParameterOnRst2(): number
Returns parameter of the point on the curve.
IsTangencyPoint(): boolean
Returns True when it is not possible to compute the tangent vectors at PointOnS and/or PointOnRst.
TangentOnRst1(): gp_Vec
Returns the tangent vector at PointOnS, in 3d space.
Tangent2dOnRst1(): gp_Vec2d
Returns the tangent vector at PointOnS, in the parametric space of the first surface.
TangentOnRst2(): gp_Vec
Returns the tangent vector at PointOnC, in 3d space.
Tangent2dOnRst2(): gp_Vec2d
Returns the tangent vector at PointOnRst, in the parametric space of the second surface.
Decroch(Sol: math_Vector, NRst1: gp_Vec, TgRst1: gp_Vec, NRst2: gp_Vec, TgRst2: gp_Vec): Blend_DecrochStatus
Enables to implement a criterion of decrochage specific to the function. Warning: Can be called without previous call of IsSolution but the values calculated can be senseless.
Parameters (5)
- Sol
- NRst1 —
  Mutated in place; read the updated value from this argument after the call.
- TgRst1 —
  Mutated in place; read the updated value from this argument after the call.
- NRst2 —
  Mutated in place; read the updated value from this argument after the call.
- TgRst2 —
  Mutated in place; read the updated value from this argument after the call.
IsRational(): boolean
Returns if the section is rational.
GetSectionSize(): number
Returns the length of the maximum section.
GetMinimalWeight(Weigths: NCollection_Array1_double): void
Compute the minimal value of weight for each poles of all sections.
Parameters (1)
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
NbIntervals(S: GeomAbs_Shape): number
Returns the number of intervals for continuity . May be one if Continuity(me) >= .
Parameters (1)
- S
Intervals(T: NCollection_Array1_double, S: GeomAbs_Shape): void
Stores in <T> the parameters bounding the intervals of continuity .
The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals()
Parameters (2)
- T —
  Mutated in place; read the updated value from this argument after the call.
- S
GetShape(NbPoles: number, NbKnots: number, Degree: number, NbPoles2d: number): { NbPoles: number; NbKnots: number; Degree: number; NbPoles2d: number }
Parameters (4)
- NbPoles
- NbKnots
- Degree
- NbPoles2d
Knots(TKnots: NCollection_Array1_double): void
Parameters (1)
- TKnots
Mults(TMults: NCollection_Array1_int): void
Parameters (1)
- TMults
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, Poles2d: NCollection_Array1_gp_Pnt2d, Weigths: NCollection_Array1_double): void
Parameters (4)
- P
- Poles
- Poles2d
- Weigths
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (7)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, D2Poles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, D2Poles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double, D2Weigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (10)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
- D2Weigths —
  Mutated in place; read the updated value from this argument after the call.

Blend_Status

Properties(8)

Blend_StepTooLarge:'Blend_StepTooLarge'readonly
Blend_StepTooSmall:'Blend_StepTooSmall'readonly
Blend_Backward:'Blend_Backward'readonly
Blend_SamePoints:'Blend_SamePoints'readonly
Blend_OnRst1:'Blend_OnRst1'readonly
Blend_OnRst2:'Blend_OnRst2'readonly
Blend_OnRst12:'Blend_OnRst12'readonly
Blend_OK:'Blend_OK'readonly

Blend_SurfCurvFuncInv

math_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between a surface and a curve, using a guide line. This function is used to find a solution on a done restriction of the surface.
The vector <X> used in Value, Values and Derivatives methods has to be the vector of the parametric coordinates wguide, wcurv, wrst where wguide is the parameter on the guide line, wcurv is the parameter on the curve, wrst is the parameter on the restriction on the surface.

Instance methods(9)

NbVariables(): number
Returns 3.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(Rst: Adaptor2d_Curve2d): void
Set the Point on which a solution has to be found.
Parameters (1)
- Rst
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 3 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 3 variables. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space.
Parameters (2)
- Sol
- Tol

Blend_SurfPointFuncInv

math_FunctionSetWithDerivativesmath_FunctionSet

Deferred class for a function used to compute a blending surface between a surface and a curve, using a guide line. This function is used to find a solution on a done point of the curve.
The vector <X> used in Value, Values and Derivatives methods has to be the vector of the parametric coordinates w, U, V where w is the parameter on the guide line, U,V are the parametric coordinates of a point on the partner surface.

Instance methods(9)

NbVariables(): number
Returns 3.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(P: gp_Pnt): void
Set the Point on which a solution has to be found.
Parameters (1)
- P
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each of the 3 variables; Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each of the 3 variables. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space.
Parameters (2)
- Sol
- Tol

Blend_SurfRstFunction

Blend_AppFunctionmath_FunctionSetWithDerivativesmath_FunctionSet

Instance methods(36)

NbVariables(): number
Returns 3 (default value). Can be redefined.
NbEquations(): number
returns the number of equations of the function.
Value(X: math_Vector, F: math_Vector): boolean
computes the values <F> of the Functions for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- F
Derivatives(X: math_Vector, D: math_Matrix): boolean
returns the values <D> of the derivatives for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (2)
- X
- D
Values(X: math_Vector, F: math_Vector, D: math_Matrix): boolean
returns the values <F> of the functions and the derivatives <D> for the variable <X>. Returns True if the computation was done successfully, False otherwise.
Parameters (3)
- X
- F
- D
Set(Param: number): void
Sets the value of the parameter along the guide line. This determines the plane in which the solution has to be found.
Parameters (1)
- Param
Set(First: number, Last: number): void
Sets the bounds of the parametric interval on the guide line. This determines the derivatives in these values if the function is not Cn.
Parameters (2)
- First
- Last
GetTolerance(Tolerance: math_Vector, Tol: number): void
Returns in the vector Tolerance the parametric tolerance for each variable. Tol is the tolerance used in 3d space.
Parameters (2)
- Tolerance
- Tol
GetTolerance(BoundTol: number, SurfTol: number, AngleTol: number, Tol3d: math_Vector, Tol1D: math_Vector): void
Returns the tolerance to reach in approximation to respect BoundTol error at the Boundary AngleTol tangent error at the Boundary SurfTol error inside the surface.
Parameters (5)
- BoundTol
- SurfTol
- AngleTol
- Tol3d
- Tol1D
GetBounds(InfBound: math_Vector, SupBound: math_Vector): void
Returns in the vector InfBound the lowest values allowed for each variable. Returns in the vector SupBound the greatest values allowed for each of the 3 variables.
Parameters (2)
- InfBound
- SupBound
IsSolution(Sol: math_Vector, Tol: number): boolean
Returns true if Sol is a zero of the function. Tol is the tolerance used in 3d space. The computation is made at the current value of the parameter on the guide line.
Parameters (2)
- Sol
- Tol
GetMinimalDistance(): number
Returns the minimal Distance between two extremities of calculated sections.
Pnt1(): gp_Pnt
Returns the point on the first support.
Pnt2(): gp_Pnt
Returns the point on the second support.
PointOnS(): gp_Pnt
Returns the point on the surface.
PointOnRst(): gp_Pnt
Returns the point on the curve.
Pnt2dOnS(): gp_Pnt2d
Returns U,V coordinates of the point on the surface.
Pnt2dOnRst(): gp_Pnt2d
Returns U,V coordinates of the point on the curve on surface.
ParameterOnRst(): number
Returns parameter of the point on the curve.
IsTangencyPoint(): boolean
Returns True when it is not possible to compute the tangent vectors at PointOnS and/or PointOnRst.
TangentOnS(): gp_Vec
Returns the tangent vector at PointOnS, in 3d space.
Tangent2dOnS(): gp_Vec2d
Returns the tangent vector at PointOnS, in the parametric space of the first surface.
TangentOnRst(): gp_Vec
Returns the tangent vector at PointOnC, in 3d space.
Tangent2dOnRst(): gp_Vec2d
Returns the tangent vector at PointOnRst, in the parametric space of the second surface.
Decroch(Sol: math_Vector, NS: gp_Vec, TgS: gp_Vec): boolean
Enables implementation of a criterion of decrochage specific to the function.
Parameters (3)
- Sol
- NS —
  Mutated in place; read the updated value from this argument after the call.
- TgS —
  Mutated in place; read the updated value from this argument after the call.
IsRational(): boolean
Returns if the section is rational.
GetSectionSize(): number
Returns the length of the maximum section.
GetMinimalWeight(Weigths: NCollection_Array1_double): void
Compute the minimal value of weight for each poles of all sections.
Parameters (1)
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
NbIntervals(S: GeomAbs_Shape): number
Returns the number of intervals for continuity . May be one if Continuity(me) >= .
Parameters (1)
- S
Intervals(T: NCollection_Array1_double, S: GeomAbs_Shape): void
Stores in <T> the parameters bounding the intervals of continuity .
The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals()
Parameters (2)
- T —
  Mutated in place; read the updated value from this argument after the call.
- S
GetShape(NbPoles: number, NbKnots: number, Degree: number, NbPoles2d: number): { NbPoles: number; NbKnots: number; Degree: number; NbPoles2d: number }
Parameters (4)
- NbPoles
- NbKnots
- Degree
- NbPoles2d
Knots(TKnots: NCollection_Array1_double): void
Parameters (1)
- TKnots
Mults(TMults: NCollection_Array1_int): void
Parameters (1)
- TMults
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (7)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, DPoles: NCollection_Array1_gp_Vec, D2Poles: NCollection_Array1_gp_Vec, Poles2d: NCollection_Array1_gp_Pnt2d, DPoles2d: NCollection_Array1_gp_Vec2d, D2Poles2d: NCollection_Array1_gp_Vec2d, Weigths: NCollection_Array1_double, DWeigths: NCollection_Array1_double, D2Weigths: NCollection_Array1_double): boolean
Used for the first and last section The method returns true if the derivatives are computed, otherwise it returns false.
Parameters (10)
- P
- Poles —
  Mutated in place; read the updated value from this argument after the call.
- DPoles —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles —
  Mutated in place; read the updated value from this argument after the call.
- Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- DPoles2d —
  Mutated in place; read the updated value from this argument after the call.
- D2Poles2d —
  Mutated in place; read the updated value from this argument after the call.
- Weigths —
  Mutated in place; read the updated value from this argument after the call.
- DWeigths —
  Mutated in place; read the updated value from this argument after the call.
- D2Weigths —
  Mutated in place; read the updated value from this argument after the call.
Section(P: Blend_Point, Poles: NCollection_Array1_gp_Pnt, Poles2d: NCollection_Array1_gp_Pnt2d, Weigths: NCollection_Array1_double): void
Parameters (4)
- P
- Poles
- Poles2d
- Weigths