0024166: Unable to create file with "Save" menu of voxeldemo Qt sample
[occt.git] / src / Contap / Contap_SurfProps.cdl
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b311480e 1-- Created on: 1995-02-24
2-- Created by: Jacques GOUSSARD
3-- Copyright (c) 1995-1999 Matra Datavision
4-- Copyright (c) 1999-2012 OPEN CASCADE SAS
5--
6-- The content of this file is subject to the Open CASCADE Technology Public
7-- License Version 6.5 (the "License"). You may not use the content of this file
8-- except in compliance with the License. Please obtain a copy of the License
9-- at http://www.opencascade.org and read it completely before using this file.
10--
11-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13--
14-- The Original Code and all software distributed under the License is
15-- distributed on an "AS IS" basis, without warranty of any kind, and the
16-- Initial Developer hereby disclaims all such warranties, including without
17-- limitation, any warranties of merchantability, fitness for a particular
18-- purpose or non-infringement. Please see the License for the specific terms
19-- and conditions governing the rights and limitations under the License.
20
7fd59977 21
22
23generic class SurfProps from Contap
24 (TheSurface as any;
25 TheSurfaceTool as any) -- as SurfaceTool from Contap
26
27 ---Purpose: Internal tool used to compute the normal and its
28 -- derivatives.
29
30uses Pnt from gp,
31 Vec from gp
32
33is
34
35 Normale(myclass; S: TheSurface; U,V: Real from Standard;
36 P: out Pnt from gp;
37 N: out Vec from gp);
38
39 ---Purpose: Computes the point <P>, and normal vector <N> on
40 -- <S> at parameters U,V.
41
42
43
44 DerivAndNorm(myclass; S: TheSurface; U,V: Real from Standard;
45 P : out Pnt from gp;
46 d1u,d1v: out Vec from gp;
47 N : out Vec from gp);
48
49 ---Purpose: Computes the point <P>, and normal vector <N> on
50 -- <S> at parameters U,V.
51
52
53
54 NormAndDn(myclass; S: TheSurface; U,V: Real from Standard;
55 P : out Pnt from gp;
56 N,Dnu,Dnv: out Vec from gp);
57
58 ---Purpose: Computes the point <P>, normal vector <N>, and its
59 -- derivatives <Dnu> and <Dnv> on <S> at parameters U,V.
60
61
62end SurfProps;