GEOS  3.3.3
LocationIndexOfPoint.h
1 /**********************************************************************
2  * $Id: LocationIndexOfPoint.h 2809 2009-12-06 01:05:24Z mloskot $
3  *
4  * GEOS - Geometry Engine Open Source
5  * http://geos.refractions.net
6  *
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 rev. 1.10
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 
28 namespace geos
29 {
30 namespace linearref // geos::linearref
31 {
32 
41 {
42 
43 private:
44  const geom::Geometry *linearGeom;
45 
46  LinearLocation indexOfFromStart(const geom::Coordinate& inputPt, LinearLocation* minIndex) const;
47 
48 public:
49  static LinearLocation indexOf(const geom::Geometry *linearGeom, const geom::Coordinate& inputPt);
50 
51  static LinearLocation indexOfAfter(const geom::Geometry *linearGeom, const geom::Coordinate& inputPt, LinearLocation* minIndex);
52 
53  LocationIndexOfPoint(const geom::Geometry *linearGeom);
54 
61  LinearLocation indexOf(const geom::Coordinate& inputPt) const;
77  LinearLocation indexOfAfter(const geom::Coordinate& inputPt, LinearLocation* minIndex) const;
78 };
79 }
80 }
81 #endif