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63 lines
2.1 KiB
Plaintext
Executable File
63 lines
2.1 KiB
Plaintext
Executable File
-- Created on: 1995-02-24
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-- Created by: Jacques GOUSSARD
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-- Copyright (c) 1995-1999 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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generic class SurfProps from Contap
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(TheSurface as any;
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TheSurfaceTool as any) -- as SurfaceTool from Contap
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---Purpose: Internal tool used to compute the normal and its
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-- derivatives.
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uses Pnt from gp,
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Vec from gp
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is
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Normale(myclass; S: TheSurface; U,V: Real from Standard;
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P: out Pnt from gp;
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N: out Vec from gp);
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---Purpose: Computes the point <P>, and normal vector <N> on
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-- <S> at parameters U,V.
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DerivAndNorm(myclass; S: TheSurface; U,V: Real from Standard;
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P : out Pnt from gp;
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d1u,d1v: out Vec from gp;
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N : out Vec from gp);
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---Purpose: Computes the point <P>, and normal vector <N> on
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-- <S> at parameters U,V.
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NormAndDn(myclass; S: TheSurface; U,V: Real from Standard;
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P : out Pnt from gp;
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N,Dnu,Dnv: out Vec from gp);
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---Purpose: Computes the point <P>, normal vector <N>, and its
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-- derivatives <Dnu> and <Dnv> on <S> at parameters U,V.
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end SurfProps;
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