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-- File: ProjLib_ProjectedCurve.cdl
-- Created: Wed Aug 25 15:07:07 1993
-- Author: Bruno DUMORTIER
-- <dub@topsn3>
---Copyright: Matra Datavision 1993
class ProjectedCurve from ProjLib inherits Curve2d from Adaptor2d
uses
Projector from ProjLib,
Shape from GeomAbs,
CurveType from GeomAbs,
Vec2d from gp,
Pnt2d from gp,
Circ2d from gp,
Elips2d from gp,
Hypr2d from gp,
Parab2d from gp,
Lin2d from gp,
HCurve from Adaptor3d,
HCurve2d from Adaptor2d,
HSurface from Adaptor3d,
BezierCurve from Geom2d,
BSplineCurve from Geom2d,
Array1OfReal from TColStd
raises
OutOfRange from Standard,
NoSuchObject from Standard,
DomainError from Standard,
NotImplemented from Standard
is
Create returns ProjectedCurve;
Create(S : HSurface from Adaptor3d)
returns ProjectedCurve;
Create(S : HSurface from Adaptor3d;
C : HCurve from Adaptor3d)
returns ProjectedCurve;
Create(S : HSurface from Adaptor3d;
C : HCurve from Adaptor3d;
Tol : Real from Standard)
returns ProjectedCurve;
Load(me : in out ; Tolerance : Real)
---Purpose: Changes the tolerance used to project
-- the curve on the surface
is static;
Load(me : in out; S : HSurface from Adaptor3d)
---Purpose: Changes the Surface.
is static;
Load(me : in out; C : HCurve from Adaptor3d)
---Purpose: Changes the Curve.
is static;
GetSurface(me) returns HSurface from Adaptor3d
---C++: return const &
is static;
GetCurve(me) returns HCurve from Adaptor3d
---C++: return const &
is static;
GetTolerance(me) returns Real from Standard
---Purpose: returns the tolerance reached if an approximation
-- is Done.
is static;
--
-- Global methods - Apply to the whole curve.
--
FirstParameter(me) returns Real
is redefined static;
LastParameter(me) returns Real
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 on the curve.
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; R3d : Real) returns Real
---Purpose : Returns the parametric resolution corresponding
-- to the real space resolution <R3d>.
is redefined static;
GetType(me) returns CurveType from GeomAbs
---Purpose: Returns the type of the curve in the current
-- interval : Line, Circle, Ellipse, Hyperbola,
-- Parabola, BezierCurve, BSplineCurve, OtherCurve.
is redefined static;
--
-- The following methods must be called when GetType returned
-- the corresponding type.
--
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;
---Purpose: Warning ! This will NOT make a copy of the -- Bezier Curve -
-- If you want to modify -- the Curve please make a copy
-- yourself -- Also it will NOT trim the surface to --
-- myFirst/Last.
BSpline(me) returns BSplineCurve from Geom2d
raises
NoSuchObject from Standard
is redefined static;
---Purpose: Warning ! This will NOT make a copy of the BSpline Curve - If
-- you want to modify the Curve please make a copy
-- yourself Also it will NOT trim the surface to
-- myFirst/Last.
fields
myTolerance : Real ;
mySurface : HSurface from Adaptor3d ;
myCurve : HCurve from Adaptor3d ;
myResult : Projector from ProjLib ;
end ProjectedCurve;
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