/usr/include/SFCGAL/algorithm/straightSkeleton.h is in libsfcgal-dev 1.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | /**
* SFCGAL
*
* Copyright (C) 2012-2013 Oslandia <infos@oslandia.com>
* Copyright (C) 2012-2013 IGN (http://www.ign.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SFCGAL_ALGORITHM_STRAIGHTSKELETON_H_
#define _SFCGAL_ALGORITHM_STRAIGHTSKELETON_H_
#include <SFCGAL/config.h>
#include <memory>
namespace SFCGAL {
class Geometry ;
class Polygon ;
class MultiPolygon ;
class MultiLineString ;
}
namespace SFCGAL {
namespace algorithm {
struct NoValidityCheck;
/**
* @brief build an approximate medial axis for a Polygon
* @param g input geometry
* @ingroup public_api
* @pre g is a valid geometry
*/
SFCGAL_API std::auto_ptr< MultiLineString > approximateMedialAxis( const Geometry& g );
/**
* @brief build a 2D straight skeleton for a Polygon
* @todo add supports for TriangulatedSurface and PolyhedralSurface
* @todo output M as distance to border?
* @param g input geometry
* @param autoOrientation check and fix polygon orientation
* @ingroup public_api
* @pre g is a valid geometry
*/
SFCGAL_API std::auto_ptr< MultiLineString > straightSkeleton( const Geometry& g, bool autoOrientation = true, bool innerOnly = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @param g input geometry
* @param autoOrientation check and fix polygon orientation
* @ingroup public_api
* @pre g is a valid geometry
* @warning No actual validity check is done
*/
SFCGAL_API std::auto_ptr< MultiLineString > straightSkeleton( const Geometry& g, bool autoOrientation, NoValidityCheck, bool innerOnly = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @ingroup detail
*/
SFCGAL_API std::auto_ptr< MultiLineString > straightSkeleton( const Polygon& g, bool autoOrientation = true, bool innerOnly = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @ingroup detail
*/
SFCGAL_API std::auto_ptr< MultiLineString > straightSkeleton( const MultiPolygon& g, bool autoOrientation = true, bool innerOnly = false ) ;
}//namespace algorithm
}//namespace SFCGAL
#endif
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