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-- File: Geom2dAdaptor_Curve.cdl
-- Created: Thu Jun 3 18:51:05 1993
-- Author: Bruno DUMORTIER
-- <dub@topsn3>
---Copyright: Matra Datavision 1993
class Curve from Geom2dAdaptor inherits Curve2d from Adaptor2d
---Purpose: An interface between the services provided by any
-- curve from the package Geom2d and those required
-- of the curve by algorithms which use it.
uses Vec2d from gp,
Pnt2d from gp,
Circ2d from gp,
Elips2d from gp,
Hypr2d from gp,
Parab2d from gp,
Lin2d from gp,
Array1OfReal from TColStd,
Curve from Geom2d,
BezierCurve from Geom2d,
BSplineCurve from Geom2d,
CurveType from GeomAbs,
Shape from GeomAbs,
HCurve2d from Adaptor2d
raises NoSuchObject from Standard,
ConstructionError from Standard,
OutOfRange from Standard,
DomainError from Standard
is
Create returns Curve from Geom2dAdaptor;
Create(C : Curve from Geom2d) returns Curve from Geom2dAdaptor;
Create(C : Curve from Geom2d; UFirst,ULast : Real)
returns Curve from Geom2dAdaptor
raises
ConstructionError from Standard;
---Purpose: ConstructionError is raised if Ufirst>Ulast
Load(me : in out; C : Curve from Geom2d);
Load(me : in out; C : Curve from Geom2d; UFirst,ULast : Real)
raises
ConstructionError from Standard;
---Purpose: ConstructionError is raised if Ufirst>Ulast
Curve(me) returns Curve from Geom2d
---C++: return const&
---C++: inline
is static;
FirstParameter(me) returns Real
---C++: inline
is redefined static;
LastParameter(me) returns Real
---C++: inline
is redefined static;
Continuity(me) returns Shape from GeomAbs
is redefined static;
NbIntervals(me; S : Shape from GeomAbs) returns Integer
---Purpose: If necessary, breaks the curve in intervals of
-- continuity <S>. And returns the number of
-- intervals.
is redefined 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 redefined static;
Trim(me; First, Last, Tol : Real) returns HCurve2d from Adaptor2d
---Purpose: Returns a curve equivalent of <me> between
-- parameters <First> and <Last>. <Tol> is used to
-- test for 3d points confusion.
raises
OutOfRange from Standard
---Purpose: If <First> >= <Last>
is redefined static;
IsClosed(me) returns Boolean
is redefined static;
IsPeriodic(me) returns Boolean
is redefined static;
Period(me) returns Real
raises
DomainError from Standard -- if the curve is not periodic
is redefined static;
Value(me; U : Real) returns Pnt2d from gp
--- Purpose : Computes the point of parameter U on the curve
is redefined static;
D0 (me; U : Real; P : out Pnt2d from gp)
--- Purpose : Computes the point of parameter U.
is redefined static;
D1 (me; U : Real; P : out Pnt2d from gp ; V : out Vec2d from gp)
--- Purpose : Computes the point of parameter U on the curve with its
-- first derivative.
raises
DomainError from Standard
--- Purpose : Raised if the continuity of the current interval
-- is not C1.
is redefined static;
D2 (me; U : Real; P : out Pnt2d from gp; V1, V2 : out Vec2d from gp)
--- Purpose :
-- Returns the point P of parameter U, the first and second
-- derivatives V1 and V2.
raises
DomainError from Standard
--- Purpose : Raised if the continuity of the current interval
-- is not C2.
is redefined static;
D3 (me; U : Real; P : out Pnt2d from gp; V1, V2, V3 : out Vec2d from gp)
--- Purpose :
-- Returns the point P of parameter U, the first, the second
-- and the third derivative.
raises
DomainError from Standard
--- Purpose : Raised if the continuity of the current interval
-- is not C3.
is redefined static;
DN (me; U : Real; N : Integer) returns Vec2d from gp
--- Purpose :
-- The returned vector gives the value of the derivative for the
-- order of derivation N.
raises
DomainError from Standard,
--- Purpose : Raised if the continuity of the current interval
-- is not CN.
OutOfRange from Standard
--- Purpose : Raised if N < 1.
is redefined static;
Resolution(me; Ruv :Real) returns Real
---Purpose : returns the parametric resolution
is redefined static;
GetType(me) returns CurveType from GeomAbs
---C++: inline
is redefined static;
Line(me) returns Lin2d from gp
raises
NoSuchObject from Standard
is redefined static;
Circle(me) returns Circ2d from gp
raises
NoSuchObject from Standard
is redefined static;
Ellipse(me) returns Elips2d from gp
raises
NoSuchObject from Standard
is redefined static;
Hyperbola(me) returns Hypr2d from gp
raises
NoSuchObject from Standard
is redefined static;
Parabola(me) returns Parab2d from gp
raises
NoSuchObject from Standard
is redefined static;
Degree(me) returns Integer
raises
NoSuchObject from Standard
is redefined static;
IsRational(me) returns Boolean
raises
NoSuchObject from Standard
is redefined static;
NbPoles(me) returns Integer
raises
NoSuchObject from Standard
is redefined static;
NbKnots(me) returns Integer
raises
NoSuchObject from Standard
is redefined static;
Bezier(me) returns BezierCurve from Geom2d
raises
NoSuchObject from Standard
is redefined static;
BSpline(me) returns BSplineCurve from Geom2d
raises
NoSuchObject from Standard
is redefined static;
LocalContinuity(me; U1, U2 : Real) returns Shape from GeomAbs
is static private;
fields
myCurve : Curve from Geom2d ;
myTypeCurve : CurveType from GeomAbs ;
myFirst : Real from Standard ;
myLast : Real from Standard;
end Curve;
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