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269 lines
7.8 KiB
Plaintext
Executable File
269 lines
7.8 KiB
Plaintext
Executable File
-- File: BRepAdaptor_CompCurve.cdl
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-- Created: Thu Aug 20 10:53:03 1998
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-- Author: Philippe MANGIN
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-- <pmn@sgi29>
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---Copyright: Matra Datavision 1998
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class CompCurve from BRepAdaptor
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inherits Curve from Adaptor3d
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---Purpose: The Curve from BRepAdaptor allows to use a Wire
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-- of the BRep topology like a 3D curve.
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-- Warning: With this class of curve, C0 and C1 continuities
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-- are not assumed. So be carful with some algorithm!
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uses
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Wire from TopoDS,
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Edge from TopoDS,
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CurveType from GeomAbs,
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Shape from GeomAbs,
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HCurve from Adaptor3d,
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HArray1OfCurve from BRepAdaptor,
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BezierCurve from Geom,
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BSplineCurve from Geom,
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Array1OfReal from TColStd,
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HArray1OfReal from TColStd,
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Pnt from gp,
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Vec from gp,
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Circ from gp,
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Elips from gp,
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Hypr from gp,
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Parab from gp,
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Lin from gp
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raises
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NullObject from Standard,
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DomainError from Standard,
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OutOfRange from Standard,
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NoSuchObject from Standard
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is
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Create returns CompCurve from BRepAdaptor;
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---Purpose: Creates an undefined Curve with no Wire loaded.
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Create(W : Wire from TopoDS;
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KnotByCurvilinearAbcissa : Boolean = Standard_False)
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returns CompCurve from BRepAdaptor;
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Create(W : Wire from TopoDS;
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KnotByCurvilinearAbcissa : Boolean;
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First, Last, Tol : Real)
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returns CompCurve from BRepAdaptor;
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---Purpose: Creates a Curve to acces to the geometry of edge
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-- <W>.
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--
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Initialize(me : in out; W : Wire from TopoDS;
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KnotByCurvilinearAbcissa : Boolean)
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---Purpose: Sets the wire <W>.
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is static;
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Initialize(me : in out; W : Wire from TopoDS;
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KnotByCurvilinearAbcissa : Boolean;
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First, Last, Tol : Real )
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---Purpose: Sets wire <W> and trimmed parameter.
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is static;
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SetPeriodic(me: in out; Periodic : Boolean)
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---Purpose: Set the flag Periodic.
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-- Warning: This method has no effect if the wire is not closed
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is static;
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Wire(me) returns Wire from TopoDS
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---Purpose: Returns the wire.
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--
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---C++: return const &
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is static;
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Edge(me; U : Real;
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E : out Edge;
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UonE : out Real)
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---Purpose: returns an edge and one parameter on them
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-- corresponding to the parameter U.
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is static;
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--
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-- Methods of Curve from GeomAdaptor.
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--
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FirstParameter(me) returns Real
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is redefined static;
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LastParameter(me) returns Real
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is redefined static;
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Continuity(me) returns Shape from GeomAbs
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is redefined static;
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NbIntervals(me: in out; S : Shape from GeomAbs) returns Integer
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---Purpose: Returns the number of intervals for continuity
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-- <S>. May be one if Continuity(me) >= <S>
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is redefined static;
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Intervals(me: in out; T : in out Array1OfReal from TColStd;
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S : Shape from GeomAbs)
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---Purpose: Stores in <T> the parameters bounding the intervals
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-- of continuity <S>.
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--
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-- The array must provide enough room to accomodate
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-- for the parameters. i.e. T.Length() > NbIntervals()
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raises
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OutOfRange from Standard
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is redefined static;
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Trim(me; First, Last, Tol : Real) returns HCurve from Adaptor3d
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---Purpose: Returns a curve equivalent of <me> between
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-- parameters <First> and <Last>. <Tol> is used to
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-- test for 3d points confusion.
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raises
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OutOfRange from Standard
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---Purpose: If <First> >= <Last>
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is redefined static;
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IsClosed(me) returns Boolean
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is redefined static;
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IsPeriodic(me) returns Boolean
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is redefined static;
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Period(me) returns Real
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raises
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DomainError from Standard -- if the curve is not periodic
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is redefined static;
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Value(me; U : Real) returns Pnt from gp
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--- Purpose : Computes the point of parameter U on the curve
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is redefined static;
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D0 (me; U : Real; P : out Pnt from gp)
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--- Purpose : Computes the point of parameter U.
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is redefined static;
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D1 (me; U : Real; P : out Pnt from gp ; V : out Vec from gp)
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--- Purpose : Computes the point of parameter U on the curve
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-- with its first derivative.
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raises
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DomainError from Standard
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--- Purpose : Raised if the continuity of the current interval
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-- is not C1.
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is redefined static;
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D2 (me; U : Real; P : out Pnt from gp; V1, V2 : out Vec from gp)
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--- Purpose :
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-- Returns the point P of parameter U, the first and second
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-- derivatives V1 and V2.
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raises
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DomainError from Standard
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--- Purpose : Raised if the continuity of the current interval
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-- is not C2.
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is redefined static;
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D3 (me; U : Real; P : out Pnt from gp; V1, V2, V3 : out Vec from gp)
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--- Purpose :
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-- Returns the point P of parameter U, the first, the second
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-- and the third derivative.
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raises
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DomainError from Standard
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--- Purpose : Raised if the continuity of the current interval
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-- is not C3.
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is redefined static;
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DN (me; U : Real; N : Integer) returns Vec from gp
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--- Purpose :
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-- The returned vector gives the value of the derivative for the
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-- order of derivation N.
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raises
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DomainError from Standard,
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--- Purpose : Raised if the continuity of the current interval
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-- is not CN.
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OutOfRange from Standard
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--- Purpose : Raised if N < 1.
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is redefined static;
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Resolution(me; R3d :Real) returns Real
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---Purpose : returns the parametric resolution
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is redefined static;
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GetType(me) returns CurveType from GeomAbs
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is redefined static;
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Line(me) returns Lin from gp
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raises NoSuchObject from Standard
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is redefined static;
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Circle(me) returns Circ from gp
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raises NoSuchObject from Standard
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is redefined static;
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Ellipse(me) returns Elips from gp
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raises NoSuchObject from Standard
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is redefined static;
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Hyperbola(me) returns Hypr from gp
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raises NoSuchObject from Standard
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is redefined static;
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Parabola(me) returns Parab from gp
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raises NoSuchObject from Standard
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is redefined static;
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Degree(me) returns Integer
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raises NoSuchObject from Standard
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is redefined static;
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IsRational(me) returns Boolean
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raises
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NoSuchObject from Standard
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is redefined static;
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NbPoles(me) returns Integer
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raises NoSuchObject from Standard
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is redefined static;
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NbKnots(me) returns Integer
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raises
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NoSuchObject from Standard
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is redefined static;
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Bezier(me) returns BezierCurve from Geom
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---Warning :
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-- This will make a copy of the Bezier Curve .
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-- Be carefull when using this method
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raises
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NoSuchObject from Standard
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is redefined static;
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BSpline(me) returns BSplineCurve from Geom
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---Warning : This will make a copy of the BSpline Curve. Be
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-- carefull when using this method
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raises
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NoSuchObject from Standard
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is redefined static;
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Prepare(me; W, D: in out Real; ind : in out Integer)
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is private;
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InvPrepare(me; ind : Integer; F, D: in out Real)
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is private;
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fields
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myWire : Wire from TopoDS;
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TFirst, TLast, PTol, myPeriod : Real;
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myCurves : HArray1OfCurve from BRepAdaptor;
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myKnots : HArray1OfReal from TColStd;
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CurIndex : Integer;
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Forward : Boolean;
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IsbyAC : Boolean;
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Periodic : Boolean;
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end CompCurve;
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