GEOS 3.4.2

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SIRtree.h
1 /**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2006 Refractions Research Inc.
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 #ifndef GEOS_INDEX_STRTREE_SIRTREE_H
16 #define GEOS_INDEX_STRTREE_SIRTREE_H
17
18 #include <geos/export.h>
19
20 #include <geos/index/strtree/AbstractSTRtree.h> // for inheritance
21 #include <geos/index/strtree/Interval.h> // for inline
22
23 #include <vector>
24 #include <memory>
25
26 namespace geos {
27 namespace index { // geos::index
28 namespace strtree { // geos::index::strtree
29
41 class GEOS_DLL SIRtree: public AbstractSTRtree {
42 using AbstractSTRtree::insert;
43 using AbstractSTRtree::query;
44
45 public:
46
50 SIRtree();
51
56 SIRtree(std::size_t nodeCapacity);
57
58 virtual ~SIRtree();
59
60 void insert(double x1, double x2, void* item);
61
66 std::vector<void*>* query(double x1, double x2)
67 {
68 std::vector<void*>* results = new std::vector<void*>();
69 Interval interval(std::min(x1, x2), std::max(x1, x2));
70 AbstractSTRtree::query(&interval, *results);
71 return results;
72 }
73
77 std::vector<void*>* query(double x) { return query(x,x); }
78
79
80 protected:
81
82 class SIRIntersectsOp:public AbstractSTRtree::IntersectsOp {
83 public:
84 bool intersects(const void* aBounds, const void* bBounds);
85 };
86
91 std::auto_ptr<BoundableList> createParentBoundables(
92 BoundableList* childBoundables, int newLevel);
93
94 AbstractNode* createNode(int level);
95
96 IntersectsOp* getIntersectsOp() {return intersectsOp;}
97
98 std::auto_ptr<BoundableList> sortBoundables(const BoundableList* input);
99
100 private:
101
102 IntersectsOp* intersectsOp;
103 };
104
105
106 } // namespace geos::index::strtree
107 } // namespace geos::index
108 } // namespace geos
109
110 #endif // GEOS_INDEX_STRTREE_SIRTREE_H