1 /**
2  *   SFCGAL
3  *
4  *   Copyright (C) 2012-2013 Oslandia <infos@oslandia.com>
5  *   Copyright (C) 2012-2013 IGN (http://www.ign.fr)
6  *
7  *   This library is free software; you can redistribute it and/or
8  *   modify it under the terms of the GNU Library General Public
9  *   License as published by the Free Software Foundation; either
10  *   version 2 of the License, or (at your option) any later version.
11  *
12  *   This library is distributed in the hope that it will be useful,
13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  *   Library General Public License for more details.
16 
17  *   You should have received a copy of the GNU Library General Public
18  *   License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef _SFCGAL_ALGORITHM_ISVALID_H_
22 #define _SFCGAL_ALGORITHM_ISVALID_H_
23 
24 #include <SFCGAL/Geometry.h>
25 #include <SFCGAL/Validity.h>
26 #include <SFCGAL/algorithm/force2D.h>
27 #include <SFCGAL/algorithm/force3D.h>
28 
29 namespace SFCGAL {
30 
31 /**
32  * Functions used to assert for geometry validity
33  * @note exception message is apparently limited in length, thus print the reason for invalidity before its text representation (that can be very long)
34  */
35 void SFCGAL_API SFCGAL_ASSERT_GEOMETRY_VALIDITY( const Geometry& g );
36 void SFCGAL_API SFCGAL_ASSERT_GEOMETRY_VALIDITY_2D( const Geometry& g );
37 void SFCGAL_API SFCGAL_ASSERT_GEOMETRY_VALIDITY_3D( const Geometry& g );
38 void SFCGAL_API SFCGAL_ASSERT_GEOMETRY_VALIDITY_ON_PLANE( const Geometry& g );
39 
40 namespace algorithm {
41 
42 /**
43  * @brief Check validity of a geometry
44  * @ingroup public_api
45  */
46 SFCGAL_API const Validity isValid( const Geometry& g, const double& toleranceAbs= 1e-9 );
47 
48 /**
49  * Sets the geometry flag on a geometry and propagate to every internal geometries
50  * @ingroup public_api
51  */
52 SFCGAL_API void propagateValidityFlag( Geometry& g, bool valid );
53 
54 /**
55  * Tag used for variants of algorithm that do not do validity check
56  * @ingroup public_api
57  */
58 struct NoValidityCheck {};
59 
60 }//algorithm
61 }//SFCGAL
62 
63 
64 #endif
65