DYT/Tool/OpenSceneGraph-3.6.5/include/geos/algorithm/InteriorPointPoint.h

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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2005-2006 Refractions Research Inc.
* Copyright (C) 2001-2002 Vivid Solutions Inc.
*
* 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.
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/geom/Coordinate.h>
// Forward declarations
namespace geos {
namespace geom {
class Geometry;
}
}
namespace geos {
namespace algorithm { // geos::algorithm
/**
* \class InteriorPointPoint
* \brief
* Computes a point in the interior of an point geometry.
*
* Algorithm:
*
* Find a point which is closest to the centroid of the geometry.
*/
class GEOS_DLL InteriorPointPoint {
private:
bool hasInterior;
geom::CoordinateXY centroid;
double minDistance;
geom::Coordinate interiorPoint;
/**
* Tests the point(s) defined by a Geometry for the best inside point.
* If a Geometry is not of dimension 0 it is not tested.
* @param geom the geometry to add
*/
void add(const geom::Geometry* geom);
void add(const geom::CoordinateXY* point);
public:
InteriorPointPoint(const geom::Geometry* g);
~InteriorPointPoint() {}
bool getInteriorPoint(geom::CoordinateXY& ret) const;
};
} // namespace geos::algorithm
} // namespace geos