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