EVOLUTION-MANAGER

Edit File: Area.h

/********************************************************************** * * GEOS - Geometry Engine Open Source * http://geos.osgeo.org * * Copyright (C) 2018 Paul Ramsey <pramsey@cleverlephant.ca> * * This is free software; you can redistribute and/or modify it under * the terms of the GNU Lesser General Public Licence as published * by the Free Software Foundation. * See the COPYING file for more information. * ********************************************************************** * * Last port: algorithm/Area.java @ 2017-09-04 * **********************************************************************/ #ifndef GEOS_ALGORITHM_AREA_H #define GEOS_ALGORITHM_AREA_H #include <geos/export.h> #include <geos/geom/Coordinate.h> #include <geos/geom/CoordinateSequence.h> namespace geos { namespace algorithm { // geos::algorithm class GEOS_DLL Area { public: /** * Computes the area for a ring. * * @param ring the coordinates forming the ring * @return the area of the ring */ static double ofRing(const std::vector<geom::Coordinate>& ring); /** * Computes the area for a ring. * * @param ring the coordinates forming the ring * @return the area of the ring */ static double ofRing(const geom::CoordinateSequence* ring); /** * Computes the signed area for a ring. The signed area is positive if the * ring is oriented CW, negative if the ring is oriented CCW, and zero if the * ring is degenerate or flat. * * @param ring * the coordinates forming the ring * @return the signed area of the ring */ static double ofRingSigned(const std::vector<geom::Coordinate>& ring); /** * Computes the signed area for a ring. The signed area is positive if the * ring is oriented CW, negative if the ring is oriented CCW, and zero if the * ring is degenerate or flat. * * @param ring * the coordinates forming the ring * @return the signed area of the ring */ static double ofRingSigned(const geom::CoordinateSequence* ring); }; } // namespace geos::algorithm } // namespace geos #endif // GEOS_ALGORITHM_AREA_H