1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #ifndef GeomAPI_Dir2d_H_
21 #define GeomAPI_Dir2d_H_
23 #include <GeomAPI_Interface.h>
28 /**\class GeomAPI_Dir2d
30 * \brief 2D direction defined by three normalized coordinates
33 class GeomAPI_Dir2d : public GeomAPI_Interface
36 /// Creation of direction by coordinates
38 GeomAPI_Dir2d(const double theX, const double theY);
39 /// Creation of direction by coordinates
41 GeomAPI_Dir2d(const std::shared_ptr<GeomAPI_XY>& theCoords);
43 /// returns X coordinate
46 /// returns Y coordinate
50 /// returns coordinates of the direction
52 const std::shared_ptr<GeomAPI_XY> xy();
54 /// inverses the direction
55 GEOMAPI_EXPORT void reverse();
57 /// result is a scalar product of directions
59 double dot(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;
60 /// result is a cross product of two directions
62 double cross(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;
64 /// calculates angle between two directions
66 double angle(const std::shared_ptr<GeomAPI_Dir2d>& theArg) const;