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-- File: HLRBRep_CLPropsATool.cdl
-- Created: Tue Apr 20 18:34:23 1993
-- Author: Modelistation
-- <model@phylox>
---Copyright: Matra Datavision 1993
class CLPropsATool from HLRBRep
uses
Curve from HLRBRep,
Pnt2d from gp,
Vec2d from gp
is
Value(myclass; A : Address from Standard;
U : Real from Standard;
P : out Pnt2d from gp);
---Purpose: Computes the point <P> of parameter <U> on the
-- Curve from HLRBRep <C>.
--
---C++: inline
D1 (myclass; A : Address from Standard;
U : Real from Standard;
P : out Pnt2d from gp;
V1 : out Vec2d from gp);
---Purpose: Computes the point <P> and first derivative <V1>
-- of parameter <U> on the curve <C>.
--
---C++: inline
D2 (myclass; A : Address from Standard;
U : Real from Standard;
P : out Pnt2d from gp;
V1, V2 : out Vec2d from gp);
---Purpose: Computes the point <P>, the first derivative <V1>
-- and second derivative <V2> of parameter <U> on the
-- curve <C>.
--
---C++: inline
D3 (myclass; A : Address from Standard;
U : Real from Standard;
P : out Pnt2d from gp;
V1, V2, V3 : out Vec2d from gp);
---Purpose: Computes the point <P>, the first derivative <V1>,
-- the second derivative <V2> and third derivative
-- <V3> of parameter <U> on the curve <C>.
--
---C++: inline
Continuity(myclass; A : Address from Standard)
returns Integer from Standard;
---Purpose: returns the order of continuity of the curve <C>.
-- returns 1 : first derivative only is computable
-- returns 2 : first and second derivative only are
-- computable. returns 3 : first, second and third
-- are computable.
--
---C++: inline
FirstParameter(myclass; A : Address from Standard)
returns Real from Standard;
---Purpose: returns the first parameter bound of the curve.
--
---C++: inline
LastParameter(myclass; A : Address from Standard)
returns Real from Standard;
---Purpose: returns the last parameter bound of the curve.
-- FirstParameter must be less than LastParamenter.
--
---C++: inline
end CLPropsATool;
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