1 -- Created on: 1995-07-27
2 -- Created by: Modelistation
3 -- Copyright (c) 1995-1999 Matra Datavision
4 -- Copyright (c) 1999-2014 OPEN CASCADE SAS
6 -- This file is part of Open CASCADE Technology software library.
8 -- This library is free software; you can redistribute it and/or modify it under
9 -- the terms of the GNU Lesser General Public License version 2.1 as published
10 -- by the Free Software Foundation, with special exception defined in the file
11 -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 -- distribution for complete text of the license and disclaimer of any warranty.
14 -- Alternatively, this file may be used under the terms of Open CASCADE
15 -- commercial license or contractual agreement.
17 class ShadedSurface from StdPrs
19 inherits Root from Prs3d
20 --- Purpose: Computes the shading presentation of surfaces.
21 -- Draws a surface by drawing the isoparametric curves with respect to
22 -- a maximal chordial deviation.
23 -- The number of isoparametric curves to be drawn and their color are
24 -- controlled by the furnished Drawer.
26 Surface from Adaptor3d,
27 Presentation from Prs3d,
32 Add(myclass; aPresentation: Presentation from Prs3d;
33 aSurface : Surface from Adaptor3d;
34 aDrawer : Drawer from Prs3d);
35 ---Purpose: Adds the surface aSurface to the presentation object aPresentation.
36 -- The surface's display attributes are set in the attribute manager aDrawer.
37 -- The surface object from Adaptor3d provides data
38 -- from a Geom surface in order to use the surface in an algorithm.