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DistanceToPoint.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2009 Sandro Santilli <strk@keybit.net>
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: algorithm/distance/DistanceToPoint.java 1.1 (JTS-1.9)
16 *
17 **********************************************************************/
18
19 #ifndef GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H
20 #define GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H
21
22 #include <geos/geom/LineSegment.h> // for composition
23
24 namespace geos {
25 namespace algorithm {
26 namespace distance {
27 class PointPairDistance;
28 }
29 }
30 namespace geom {
31 class Geometry;
32 class Coordinate;
33 class LineString;
34 class Polygon;
35 }
36 }
37
38 namespace geos {
39 namespace algorithm { // geos::algorithm
40 namespace distance { // geos::algorithm::distance
41
47 class DistanceToPoint
48 {
49 public:
50
51 DistanceToPoint() {}
52
53 static void computeDistance(const geom::Geometry& geom,
54 const geom::Coordinate& pt,
55 PointPairDistance& ptDist);
56
57 static void computeDistance(const geom::LineString& geom,
58 const geom::Coordinate& pt,
59 PointPairDistance& ptDist);
60
61 static void computeDistance(const geom::LineSegment& geom,
62 const geom::Coordinate& pt,
63 PointPairDistance& ptDist);
64
65 static void computeDistance(const geom::Polygon& geom,
66 const geom::Coordinate& pt,
67 PointPairDistance& ptDist);
68
69 };
70
71 } // geos::algorithm::distance
72 } // geos::algorithm
73 } // geos
74
75 #endif // GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H
76