GEOS  3.8.0dev
ItemDistance.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2016 Daniel Baston
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: index/strtree/ItemDistance.java (JTS-1.14)
16  *
17  **********************************************************************/
18 
19 #ifndef GEOS_INDEX_STRTREE_ITEMDISTANCE_H
20 #define GEOS_INDEX_STRTREE_ITEMDISTANCE_H
21 
22 #include <geos/index/strtree/ItemBoundable.h>
23 
24 namespace geos {
25 namespace index {
26 namespace strtree {
27 
34 class GEOS_DLL ItemDistance {
35 public:
45  virtual double distance(const ItemBoundable* item1, const ItemBoundable* item2) = 0;
46 };
47 }
48 }
49 }
50 
51 #endif //GEOS_ITEMDISTANCE_H
Boundable wrapper for a non-Boundable spatial object. Used internally by AbstractSTRtree.
Definition: ItemBoundable.h:32
A function method which computes the distance between two ItemBoundables in an STRtree. Used for Nearest Neighbour searches.
Definition: ItemDistance.h:34
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25