-- Created on: 1992-03-26
-- Created by: Laurent BUCHARD
-- Copyright (c) 1992-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.
deferred class ImpTool from IntImpParGen
---Purpose: Template class for an implicit curve.
uses Pnt2d from gp,
Vec2d from gp
is
Value (me; U: Real from Standard)
--Purpose: Computes the point at parameter U on the
-- Implicit Curve.
returns Pnt2d from gp
is static;
D1 (me; U: Real from Standard ; P: out Pnt2d; T: out Vec2d)
--Purpose: Computes the first derivative and the point on the
-- implicit curve at parameter U.
is static;
D2 (me; U: Real from Standard ; P: out Pnt2d; T,N: out Vec2d)
--Purpose: Computes the first, the second derivatives
-- and the point on the implicit curve at parameter U.
is static;
Distance(me; P: Pnt2d from gp)
---Purpose: Computes the value of the signed distance between
-- the point P and the implicit curve.
--
returns Real from Standard
is static;
GradDistance(me; P: Pnt2d from gp)
---Purpose: Computes the Gradient of the Signed Distance
-- between a point and the implicit curve, at the
-- point P.
--
returns Vec2d from gp
is static;
FindParameter(me; P: Pnt2d from gp)
---Purpose: Returns the parameter U of the point on the
-- implicit curve corresponding to the point P.
-- The correspondance between P and the point P(U) on
-- the implicit curve must be coherent with the way
-- of determination of the signed distance.
returns Real from Standard
is static;
end ImpTool;