73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2009 Sandro Santilli <strk@kbt.io>
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: algorithm/distance/DistanceToPoint.java 1.1 (JTS-1.9)
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*
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**********************************************************************/
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#pragma once
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#include <geos/geom/LineSegment.h> // for composition
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namespace geos {
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namespace algorithm {
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namespace distance {
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class PointPairDistance;
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}
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}
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namespace geom {
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class Geometry;
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class Coordinate;
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class LineString;
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class Polygon;
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}
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}
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namespace geos {
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namespace algorithm { // geos::algorithm
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namespace distance { // geos::algorithm::distance
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/**
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* Computes the Euclidean distance (L2 metric) from a Point to a Geometry.
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*
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* Also computes two points which are separated by the distance.
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*/
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class DistanceToPoint {
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public:
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DistanceToPoint() {}
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static void computeDistance(const geom::Geometry& geom,
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const geom::CoordinateXY& pt,
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PointPairDistance& ptDist);
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static void computeDistance(const geom::LineString& geom,
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const geom::CoordinateXY& pt,
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PointPairDistance& ptDist);
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static void computeDistance(const geom::LineSegment& geom,
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const geom::CoordinateXY& pt,
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PointPairDistance& ptDist);
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static void computeDistance(const geom::Polygon& geom,
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const geom::CoordinateXY& pt,
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PointPairDistance& ptDist);
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};
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} // geos::algorithm::distance
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} // geos::algorithm
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} // geos
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