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straightSkeleton.h
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straightSkeleton.h
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/**
* 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
* @throws NotImplementedException If g is a Polygon with point touching rings.
*/
SFCGAL_API std::unique_ptr< MultiLineString > approximateMedialAxis( const Geometry& g );
/**
* @brief build a 2D straight skeleton for a Polygon
* @todo add supports for TriangulatedSurface and PolyhedralSurface
* @param g input geometry
* @param autoOrientation check and fix polygon orientation
* @param outputM whether to output the distance to border as M
* @ingroup public_api
* @pre g is a valid geometry
* @throws NotImplementedException If g is a Polygon with point touching rings.
*/
SFCGAL_API std::unique_ptr< MultiLineString > straightSkeleton( const Geometry& g, bool autoOrientation = true, bool innerOnly = false, bool outputDistanceInM = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @param g input geometry
* @param autoOrientation check and fix polygon orientation
* @param outputM whether to output the distance to border as M
* @ingroup public_api
* @pre g is a valid geometry
* @warning No actual validity check is done
* @throws NotImplementedException If g is a Polygon with point touching rings.
*/
SFCGAL_API std::unique_ptr< MultiLineString > straightSkeleton( const Geometry& g, bool autoOrientation, NoValidityCheck, bool innerOnly = false, bool outputDistanceInM = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @ingroup detail
* @throws NotImplementedException If g is a Polygon with point touching rings.
*/
SFCGAL_API std::unique_ptr< MultiLineString > straightSkeleton( const Polygon& g, bool autoOrientation = true, bool innerOnly = false, bool outputDistanceInM = false ) ;
/**
* @brief build a 2D straight skeleton for a Polygon
* @ingroup detail
* @throws NotImplementedException If g is a Polygon with point touching rings.
*/
SFCGAL_API std::unique_ptr< MultiLineString > straightSkeleton( const MultiPolygon& g, bool autoOrientation = true, bool innerOnly = false, bool outputDistanceInM = false ) ;
}//namespace algorithm
}//namespace SFCGAL
#endif