1 -- File: Contap_SurfProps.cdl
2 -- Created: Fri Feb 24 15:30:15 1995
3 -- Author: Jacques GOUSSARD
5 ---Copyright: Matra Datavision 1995
8 generic class SurfProps from Contap
10 TheSurfaceTool as any) -- as SurfaceTool from Contap
12 ---Purpose: Internal tool used to compute the normal and its
20 Normale(myclass; S: TheSurface; U,V: Real from Standard;
24 ---Purpose: Computes the point <P>, and normal vector <N> on
25 -- <S> at parameters U,V.
29 DerivAndNorm(myclass; S: TheSurface; U,V: Real from Standard;
31 d1u,d1v: out Vec from gp;
34 ---Purpose: Computes the point <P>, and normal vector <N> on
35 -- <S> at parameters U,V.
39 NormAndDn(myclass; S: TheSurface; U,V: Real from Standard;
41 N,Dnu,Dnv: out Vec from gp);
43 ---Purpose: Computes the point <P>, normal vector <N>, and its
44 -- derivatives <Dnu> and <Dnv> on <S> at parameters U,V.