-- File:	AppCont_TheSurfTool.cdl
-- Created:	Wed Apr 28 18:12:58 1993
-- Author:	Laurent PAINNOT
--		<lpa@phobox>
---Copyright:	 Matra Datavision 1993


deferred generic class TheSurfTool from AppCont(Surf as any)

    ---Purpose: Template for describing a continuous surface.


uses Pnt           from gp,
     Vec           from gp

is


    D0(myclass; S: Surf; U, V: Real; Pt: out Pnt);
    	---Purpose: returns the point of the surface at <U, V>.


    D1(myclass; S: Surf; U, V: Real; Pt: out Pnt; V1U, V1V: out Vec);
    	---Purpose: returns the derivative and the point values of the surface
    	--          at the parameters <U, V> .

end TheSurfTool;