IntCurveSurface — libcascade

OCCT package IntCurveSurface: IntCurveSurface_HInter, IntCurveSurface_Intersection, IntCurveSurface_IntersectionSegment,…

IntCurveSurface_HInter

IntCurveSurface_Intersection

Constructors(1)

constructor(): IntCurveSurface_HInter
Empty Constructor.

Instance methods(1)

Perform(Curve: Adaptor3d_Curve, Polygon: IntCurveSurface_ThePolygonOfHInter, Surface: Adaptor3d_Surface): void
Compute the Intersection between the curve and the surface. The Curve is already sampled and its polygon : <Polygon> is given.
Parameters (3)
- Curve
- Polygon
- Surface

IntCurveSurface_Intersection

Instance methods(5)

NbPoints(): number
returns the number of IntersectionPoint if IsDone returns True. else NotDone is raised.
NbSegments(): number
returns the number of IntersectionSegment if IsDone returns True. else NotDone is raised.
Segment(Index: number): IntCurveSurface_IntersectionSegment
returns the IntersectionSegment of range <Index> raises NotDone if the computation has failed or if the computation has not been done raises OutOfRange if Index is not in the range <1..NbSegment>
Parameters (1)
- Index
IsParallel(): boolean
Returns true if curve is parallel or belongs surface This case is recognized only for some pairs of analytical curves and surfaces (plane - line, ...)
Dump(): void
Dump all the fields.

IntCurveSurface_IntersectionSegment

A IntersectionSegment describes a segment of curve (w1,w2) where distance(C(w),Surface) is less than a given tolerances.

Instance methods(9)

NbVariables(): number
Returns the number of variables of the function.
NbEquations(): number
Returns the number of equations of the function.
Value(X: math_VectorBase_double, F: math_VectorBase_double): 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_VectorBase_double, 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_VectorBase_double, F: math_VectorBase_double, 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
Point(): gp_Pnt
Root(): number
AuxillarSurface(): Adaptor3d_Surface
AuxillarCurve(): Adaptor3d_Curve

IntCurveSurface_TheExactHInter

Constructors(2)

constructor(F: IntCurveSurface_TheCSFunctionOfHInter, TolTangency: number): IntCurveSurface_TheExactHInter
initialize the parameters to compute the solution
Parameters (2)
- F
- TolTangency
constructor(U: number, V: number, W: number, F: IntCurveSurface_TheCSFunctionOfHInter, TolTangency: number, MarginCoef?: number): IntCurveSurface_TheExactHInter
compute the solution point with the close point MarginCoef is the coefficient for extension of UV bounds. Ex., UFirst -= MarginCoef*(ULast-UFirst)
Parameters (6)
- U
- V
- W
- F
- TolTangency
- MarginCoef

Instance methods(7)

Perform(U: number, V: number, W: number, Rsnld: math_FunctionSetRoot, u0: number, v0: number, u1: number, v1: number, w0: number, w1: number): void
compute the solution it's possible to write to optimize: IntImp_IntCS inter(S1,C1,Toltangency) math_FunctionSetRoot rsnld(Inter.function()) while ...{ u=... v=... w=... inter.Perform(u,v,w,rsnld) } or IntImp_IntCS inter(Toltangency) inter.SetSurface(S); math_FunctionSetRoot rsnld(Inter.function()) while ...{ C=... inter.SetCurve(C); u=... v=... w=... inter.Perform(u,v,w,rsnld) }
Parameters (10)
- U
- V
- W
- Rsnld
- u0
- v0
- u1
- v1
- w0
- w1
IsDone(): boolean
Returns TRUE if the creation completed without failure.
IsEmpty(): boolean
Point(): gp_Pnt
returns the intersection point The exception NotDone is raised if IsDone is false. The exception DomainError is raised if IsEmpty is true.
ParameterOnCurve(): number
ParameterOnSurface(U?: number, V?: number): { U: number; V: number }
Parameters (2)
- U
- V
Function(): IntCurveSurface_TheCSFunctionOfHInter
return the math function which is used to compute the intersection

IntCurveSurface_TheHCurveTool

Constructors(1)

constructor(): IntCurveSurface_TheHCurveTool

Static methods(25)

FirstParameter(C: Adaptor3d_Curve): number
Parameters (1)
- C
LastParameter(C: Adaptor3d_Curve): number
Parameters (1)
- C
Continuity(C: Adaptor3d_Curve): GeomAbs_Shape
Parameters (1)
- C
NbIntervals(C: Adaptor3d_Curve, S: GeomAbs_Shape): number
Returns the number of intervals for continuity . May be one if Continuity(myclass) >=
Parameters (2)
- C
- S
Intervals(C: Adaptor3d_Curve, 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 (3)
- C
- T —
  Mutated in place; read the updated value from this argument after the call.
- S
IsClosed(C: Adaptor3d_Curve): boolean
Parameters (1)
- C
IsPeriodic(C: Adaptor3d_Curve): boolean
Parameters (1)
- C
Period(C: Adaptor3d_Curve): number
Parameters (1)
- C
Value(C: Adaptor3d_Curve, U: number): gp_Pnt
Computes the point of parameter U on the curve.
Parameters (2)
- C
- U
D0(C: Adaptor3d_Curve, U: number, P: gp_Pnt): void
Computes the point of parameter U on the curve.
Parameters (3)
- C
- U
- P —
  Mutated in place; read the updated value from this argument after the call.
D1(C: Adaptor3d_Curve, U: number, P: gp_Pnt, V: gp_Vec): void
Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1.
Parameters (4)
- C
- U
- P —
  Mutated in place; read the updated value from this argument after the call.
- V —
  Mutated in place; read the updated value from this argument after the call.
D2(C: Adaptor3d_Curve, U: number, P: gp_Pnt, V1: gp_Vec, V2: gp_Vec): void
Returns the point P of parameter U, the first and second derivatives V1 and V2. Raised if the continuity of the current interval is not C2.
Parameters (5)
- C
- U
- P —
  Mutated in place; read the updated value from this argument after the call.
- V1 —
  Mutated in place; read the updated value from this argument after the call.
- V2 —
  Mutated in place; read the updated value from this argument after the call.
D3(C: Adaptor3d_Curve, U: number, P: gp_Pnt, V1: gp_Vec, V2: gp_Vec, V3: gp_Vec): void
Returns the point P of parameter U, the first, the second and the third derivative. Raised if the continuity of the current interval is not C3.
Parameters (6)
- C
- U
- P —
  Mutated in place; read the updated value from this argument after the call.
- V1 —
  Mutated in place; read the updated value from this argument after the call.
- V2 —
  Mutated in place; read the updated value from this argument after the call.
- V3 —
  Mutated in place; read the updated value from this argument after the call.
DN(C: Adaptor3d_Curve, U: number, N: number): gp_Vec
The returned vector gives the value of the derivative for the order of derivation N. Raised if the continuity of the current interval is not CN. Raised if N < 1.
Parameters (3)
- C
- U
- N
Resolution(C: Adaptor3d_Curve, R3d: number): number
Returns the parametric resolution corresponding to the real space resolution <R3d>.
Parameters (2)
- C
- R3d
GetType(C: Adaptor3d_Curve): GeomAbs_CurveType
Returns the type of the curve in the current interval: Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.
Parameters (1)
- C
Line(C: Adaptor3d_Curve): gp_Lin
Parameters (1)
- C
Circle(C: Adaptor3d_Curve): gp_Circ
Parameters (1)
- C
Ellipse(C: Adaptor3d_Curve): gp_Elips
Parameters (1)
- C
Hyperbola(C: Adaptor3d_Curve): gp_Hypr
Parameters (1)
- C
Parabola(C: Adaptor3d_Curve): gp_Parab
Parameters (1)
- C
Bezier(C: Adaptor3d_Curve): Geom_BezierCurve
Parameters (1)
- C
BSpline(C: Adaptor3d_Curve): Geom_BSplineCurve
Parameters (1)
- C
NbSamples(C: Adaptor3d_Curve, U0: number, U1: number): number
Parameters (3)
- C
- U0
- U1
SamplePars(C: Adaptor3d_Curve, U0: number, U1: number, Defl: number, NbMin: number): NCollection_HArray1_double
Returns sample parameters for the curve within [U0, U1] range, computed based on deflection and minimum number of points.
Parameters (5)
- C —
  the curve adaptor
- U0 —
  start parameter
- U1 —
  end parameter
- Defl —
  deflection tolerance
- NbMin —
  minimum number of sample points
Returns
array of sample parameter values

IntCurveSurface_TheInterferenceOfHInter

Intf_Interference

Constructors(1)

constructor(): IntCurveSurface_TheInterferenceOfHInter
Constructs an empty interference between Polygon and Polyhedron.

IntCurveSurface_ThePolygonOfHInter

Constructors(3)

constructor(Curve: Adaptor3d_Curve, NbPnt: number): IntCurveSurface_ThePolygonOfHInter
Parameters (2)
- Curve
- NbPnt
constructor(Curve: Adaptor3d_Curve, Upars: NCollection_Array1_double): IntCurveSurface_ThePolygonOfHInter
Parameters (2)
- Curve
- Upars
constructor(Curve: Adaptor3d_Curve, U1: number, U2: number, NbPnt: number): IntCurveSurface_ThePolygonOfHInter
Parameters (4)
- Curve
- U1
- U2
- NbPnt

Instance methods(12)

Bounding(): Bnd_Box
Give the bounding box of the polygon.
DeflectionOverEstimation(): number
SetDeflectionOverEstimation(x: number): void
Parameters (1)
- x
Closed(flag: boolean): void
Parameters (1)
- flag
Closed(): boolean
NbSegments(): number
Give the number of Segments in the polyline.
BeginOfSeg(theIndex: number): gp_Pnt
Give the point of range Index in the Polygon.
Parameters (1)
- theIndex
EndOfSeg(theIndex: number): gp_Pnt
Give the point of range Index in the Polygon.
Parameters (1)
- theIndex
InfParameter(): number
Returns the parameter (On the curve) of the first point of the Polygon.
SupParameter(): number
Returns the parameter (On the curve) of the last point of the Polygon.
ApproxParamOnCurve(Index: number, ParamOnLine: number): number
Give an approximation of the parameter on the curve according to the discretization of the Curve.
Parameters (2)
- Index
- ParamOnLine
Dump(): void

IntCurveSurface_ThePolygonToolOfHInter

Constructors(1)

constructor(): IntCurveSurface_ThePolygonToolOfHInter

Static methods(7)

Bounding(thePolygon: IntCurveSurface_ThePolygonOfHInter): Bnd_Box
Give the bounding box of the polygon.
Parameters (1)
- thePolygon
DeflectionOverEstimation(thePolygon: IntCurveSurface_ThePolygonOfHInter): number
Parameters (1)
- thePolygon
Closed(thePolygon: IntCurveSurface_ThePolygonOfHInter): boolean
Parameters (1)
- thePolygon
NbSegments(thePolygon: IntCurveSurface_ThePolygonOfHInter): number
Parameters (1)
- thePolygon
BeginOfSeg(thePolygon: IntCurveSurface_ThePolygonOfHInter, Index: number): gp_Pnt
Give the point of range Index in the Polygon.
Parameters (2)
- thePolygon
- Index
EndOfSeg(thePolygon: IntCurveSurface_ThePolygonOfHInter, Index: number): gp_Pnt
Give the point of range Index in the Polygon.
Parameters (2)
- thePolygon
- Index
Dump(thePolygon: IntCurveSurface_ThePolygonOfHInter): void
Parameters (1)
- thePolygon

IntCurveSurface_ThePolyhedronToolOfHInter

Constructors(1)

constructor(): IntCurveSurface_ThePolyhedronToolOfHInter

IntCurveSurface_TheQuadCurvExactHInter

Constructors(1)

constructor(S: Adaptor3d_Surface, C: Adaptor3d_Curve): IntCurveSurface_TheQuadCurvExactHInter
Provides the signed distance function : Q(w) and its first derivative dQ(w)/dw.
Parameters (2)
- S
- C

Instance methods(5)

IsDone(): boolean
NbRoots(): number
Root(Index: number): number
Parameters (1)
- Index
NbIntervals(): number
Intervals(Index: number, U1?: number, U2?: number): { U1: number; U2: number }
U1 and U2 are the parameters of a segment on the curve.
Parameters (3)
- Index
- U1
- U2
Returns
A result object with fields:
- U1: updated value from the call.
- U2: updated value from the call.

IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter

math_FunctionWithDerivativemath_Function

Constructors(1)

constructor(Q: IntSurf_Quadric, C: Adaptor3d_Curve): IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter
Create the function.
Parameters (2)
- Q
- C

Instance methods(3)

Value(X: number, F: number): { returnValue: boolean; F: number }
Computes the value of the signed distance between the implicit surface and the point at parameter Param on the parametrised curve. Value always returns True.
Parameters (2)
- X
- F
Returns
A result object with fields:
- returnValue: the C++ return value
- F: updated value from the call.
Derivative(X: number, D: number): { returnValue: boolean; D: number }
Computes the derivative of the previous function at parameter Param. Derivative always returns True.
Parameters (2)
- X
- D
Returns
A result object with fields:
- returnValue: the C++ return value
- D: updated value from the call.
Values(X: number, F: number, D: number): { returnValue: boolean; F: number; D: number }
Computes the value and the derivative of the function. returns True.
Parameters (3)
- X
- F
- D
Returns
A result object with fields:
- returnValue: the C++ return value
- F: updated value from the call.
- D: updated value from the call.

IntCurveSurface_TransitionOnCurve

Properties(3)

IntCurveSurface_Tangent:'IntCurveSurface_Tangent'readonly
IntCurveSurface_In:'IntCurveSurface_In'readonly
IntCurveSurface_Out:'IntCurveSurface_Out'readonly