GEOS 3.9.1
LocationIndexOfPoint.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
7 * Copyright (C) 2005-2006 Refractions Research Inc.
8 * Copyright (C) 2001-2002 Vivid Solutions Inc.
9 *
10 * This is free software; you can redistribute and/or modify it under
11 * the terms of the GNU Lesser General Public Licence as published
12 * by the Free Software Foundation.
13 * See the COPYING file for more information.
14 *
15 **********************************************************************
16 *
17 * Last port: linearref/LinearGeometryBuilder.java r466
18 *
19 **********************************************************************/
20
21#ifndef GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H
22#define GEOS_LINEARREF_LOCATIONINDEXOFPOINT_H
23
24#include <geos/geom/Coordinate.h>
25#include <geos/geom/Geometry.h>
26#include <geos/linearref/LinearLocation.h>
27
28namespace geos {
29namespace linearref { // geos::linearref
30
39
40private:
41 const geom::Geometry* linearGeom;
42
43 LinearLocation indexOfFromStart(const geom::Coordinate& inputPt, const LinearLocation* minIndex) const;
44
45public:
46 static LinearLocation indexOf(const geom::Geometry* linearGeom, const geom::Coordinate& inputPt);
47
48 static LinearLocation indexOfAfter(const geom::Geometry* linearGeom, const geom::Coordinate& inputPt,
49 const LinearLocation* minIndex);
50
51 LocationIndexOfPoint(const geom::Geometry* linearGeom);
52
61
75 LinearLocation indexOfAfter(const geom::Coordinate& inputPt, const LinearLocation* minIndex) const;
76};
77}
78}
79#endif
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:188
Represents a location along a LineString or MultiLineString.
Definition: LinearLocation.h:44
Computes the LinearLocation of the point on a linear Geometry nearest a given Coordinate.
Definition: LocationIndexOfPoint.h:38
LinearLocation indexOf(const geom::Coordinate &inputPt) const
Find the nearest location along a linear Geometry to a given point.
LinearLocation indexOfAfter(const geom::Coordinate &inputPt, const LinearLocation *minIndex) const
Find the nearest LinearLocation along the linear Geometry to a given Coordinate after the specified m...
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26