1 -- Created on: 1993-04-06
2 -- Created by: Philippe DAUTRY
3 -- Copyright (c) 1993-1999 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 Direction from PGeom2d inherits Vector from PGeom2d
19 ---Purpose : The class Direction specifies a vector that is
20 -- never null. It is a unit vector.
22 ---See Also : Direction from Geom2d.
29 Create returns Direction from PGeom2d;
30 --- Purpose : Creates a unit vector with default values.
34 Create (aVec: Vec2d from gp) returns Direction from PGeom2d;
35 ---Purpose : Create a unit vector with <aVec>.