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The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
95 lines
2.4 KiB
Plaintext
95 lines
2.4 KiB
Plaintext
-- 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) 1999-2014 OPEN CASCADE SAS
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--
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-- This file is part of Open CASCADE Technology software library.
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--
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-- This library is free software; you can redistribute it and / or modify it
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-- under the terms of the GNU Lesser General Public version 2.1 as published
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-- by the Free Software Foundation, with special exception defined in the file
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-- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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-- distribution for complete text of the license and disclaimer of any warranty.
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--
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-- Alternatively, this file may be used under the terms of Open CASCADE
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-- commercial license or contractual agreement.
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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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