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-- File: BlendFunc_CSCircular.cdl
-- Created: Wed Jan 4 10:32:38 1995
-- Author: Jacques GOUSSARD
---Copyright: Matra Datavision 1995
class CSCircular from BlendFunc
inherits CSFunction from Blend
---Purpose:
uses Vector from math,
Matrix from math,
Ax1 from gp,
Vec from gp,
Vec2d from gp,
Pnt from gp,
Pnt2d from gp,
Circ from gp,
Array1OfPnt from TColgp,
Array1OfVec from TColgp,
Array1OfPnt2d from TColgp,
Array1OfVec2d from TColgp,
Array1OfReal from TColStd,
Array1OfInteger from TColStd,
Shape from GeomAbs,
Point from Blend,
SectionShape from BlendFunc,
ParameterisationType from Convert,
HCurve from Adaptor3d,
HSurface from Adaptor3d,
Function from Law
is
Create(S: HSurface from Adaptor3d; C: HCurve from Adaptor3d; CGuide: HCurve from Adaptor3d;
L: Function from Law)
---Purpose: Creates a function for a circular blending between
-- a curve <C> and a surface <S>. The direction of
-- the planes are given by <CGuide>. The position of
-- the plane is determined on the curve <C>. <L>
-- defines the change of parameter between <C> and
-- <CGuide>. So, the planes are defined as described
-- below :
-- t is the current parameter on the guide line.
-- Pguide = C(L(t)); Nguide = CGuide'(t)/||CGuide'(t)||
returns CSCircular from BlendFunc;
NbVariables(me)
returns Integer from Standard
is redefined;
NbEquations(me)
---Purpose: returns the number of equations of the function (3).
returns Integer from Standard;
Value(me: in out; X: Vector; F: out Vector)
---Purpose: computes the values <F> of the Functions for the
-- variable <X>.
-- Returns True if the computation was done successfully,
-- False otherwise.
returns Boolean from Standard;
Derivatives(me: in out; X: Vector; D: out Matrix)
---Purpose: returns the values <D> of the derivatives for the
-- variable <X>.
-- Returns True if the computation was done successfully,
-- False otherwise.
returns Boolean from Standard;
Values(me: in out; X: Vector; F: out Vector; D: out Matrix)
---Purpose: 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.
returns Boolean from Standard;
Set(me: in out; Param: Real from Standard)
;
Set(me: in out; First, Last: Real from Standard)
;
GetTolerance(me; Tolerance: out Vector from math; Tol: Real from Standard)
;
GetBounds(me; InfBound,SupBound: out Vector from math)
;
IsSolution(me: in out; Sol: Vector from math; Tol: Real from Standard)
returns Boolean from Standard
;
PointOnS(me)
returns Pnt from gp
---C++: return const&
;
PointOnC(me)
returns Pnt from gp
---C++: return const&
;
Pnt2d(me)
---Purpose: Returns U,V coordinates of the point on the surface.
returns Pnt2d from gp
---C++: return const&
;
ParameterOnC(me)
---Purpose: Returns parameter of the point on the curve.
returns Real from Standard
;
IsTangencyPoint(me)
returns Boolean from Standard
;
TangentOnS(me)
returns Vec from gp
---C++: return const&
;
Tangent2d(me)
returns Vec2d from gp
---C++: return const&
;
TangentOnC(me)
returns Vec from gp
---C++: return const&
;
Tangent(me; U,V: Real from Standard;
TgS,NormS: out Vec from gp);
---Purpose: Returns the tangent vector at the section,
-- at the beginning and the end of the section, and
-- returns the normal (of the surface) at
-- these points.
-- methodes hors template (en plus du create)
Set(me: in out; Radius : Real from Standard;
Choix: Integer from Standard)
is static;
Set(me: in out; TypeSection: SectionShape from BlendFunc)
---Purpose: Sets the type of section generation for the
-- approximations.
is static;
Section(me: in out; Param: Real from Standard;
U,V,W: Real from Standard;
Pdeb,Pfin: out Real from Standard;
C: out Circ from gp)
is static;
Section(me: in out; P: Point from Blend;
Poles : out Array1OfPnt from TColgp;
DPoles : out Array1OfVec from TColgp;
D2Poles : out Array1OfVec from TColgp;
Poles2d : out Array1OfPnt2d from TColgp;
DPoles2d : out Array1OfVec2d from TColgp;
D2Poles2d : out Array1OfVec2d from TColgp;
Weigths : out Array1OfReal from TColStd;
DWeigths : out Array1OfReal from TColStd;
D2Weigths : out Array1OfReal from TColStd)
---Purpose: Used for the first and last section
-- The method returns Standard_True if the derivatives
-- are computed, otherwise it returns Standard_False.
returns Boolean from Standard
is redefined;
GetSection(me: in out; Param: Real from Standard;
U,V,W: Real from Standard;
tabP : out Array1OfPnt from TColgp;
tabV : out Array1OfVec from TColgp)
returns Boolean from Standard
is static;
--- Pour les approximations
IsRational(me) returns Boolean
---Purpose: Returns if the section is rationnal
is static;
GetSectionSize(me) returns Real
---Purpose: Returns the length of the maximum section
is static;
GetMinimalWeight(me; Weigths : out Array1OfReal from TColStd)
---Purpose: Compute the minimal value of weight for each poles
-- of all sections.
is static;
NbIntervals(me; S : Shape from GeomAbs) returns Integer
---Purpose: Returns the number of intervals for continuity
-- <S>. May be one if Continuity(me) >= <S>
is static;
Intervals(me; T : in out Array1OfReal from TColStd;
S : Shape from GeomAbs)
---Purpose: Stores in <T> the parameters bounding the intervals
-- of continuity <S>.
--
-- The array must provide enough room to accomodate
-- for the parameters. i.e. T.Length() > NbIntervals()
-- raises
-- OutOfRange from Standard
is static;
GetShape(me: in out;
NbPoles : out Integer from Standard;
NbKnots : out Integer from Standard;
Degree : out Integer from Standard;
NbPoles2d : out Integer from Standard)
is static;
GetTolerance(me;
BoundTol, SurfTol, AngleTol : Real;
Tol3d : out Vector;
Tol1D : out Vector )
---Purpose: Returns the tolerance to reach in approximation
-- to respecte
-- BoundTol error at the Boundary
-- AngleTol tangent error at the Boundary
-- SurfTol error inside the surface.
is static;
Knots(me: in out; TKnots: out Array1OfReal from TColStd)
is static;
Mults(me: in out; TMults: out Array1OfInteger from TColStd)
is static;
Section(me: in out ; P: Point from Blend;
Poles : out Array1OfPnt from TColgp;
DPoles : out Array1OfVec from TColgp;
Poles2d : out Array1OfPnt2d from TColgp;
DPoles2d : out Array1OfVec2d from TColgp;
Weigths : out Array1OfReal from TColStd;
DWeigths : out Array1OfReal from TColStd)
---Purpose: Used for the first and last section
returns Boolean from Standard
is static;
Section(me: in out ; P: Point from Blend;
Poles : out Array1OfPnt from TColgp;
Poles2d : out Array1OfPnt2d from TColgp;
Weigths : out Array1OfReal from TColStd)
is static;
Resolution(me;
IC2d : Integer from Standard;
Tol : Real from Standard;
TolU, TolV : out Real from Standard);
fields
surf : HSurface from Adaptor3d;
curv : HCurve from Adaptor3d;
guide : HCurve from Adaptor3d;
law : Function from Law;
pts : Pnt from gp;
ptc : Pnt from gp;
pt2d : Pnt2d from gp;
prmc : Real from Standard;
dprmc : Real from Standard;
istangent: Boolean from Standard;
tgs : Vec from gp;
tg2d : Vec2d from gp;
tgc : Vec from gp;
ray : Real from Standard;
choix : Integer from Standard;
d1gui : Vec from gp;
d2gui : Vec from gp;
nplan : Vec from gp;
normtg : Real from Standard;
maxang : Real from Standard;
minang : Real from Standard;
mySShape : SectionShape from BlendFunc;
myTConv : ParameterisationType from Convert;
end CSCircular;
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