GEOS  3.8.0dev
TaggedLineSegment.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 Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************
14  *
15  * Last port: simplify/TaggedLineSegment.java rev. 1.1 (JTS-1.7)
16  *
17  **********************************************************************
18  *
19  * NOTES: Use of this class by DP simplification algorithms
20  * makes it useless for a TaggedLineSegment to store copies
21  * of coordinates. Using pointers would be good enough here.
22  * We don't do it to avoid having to break inheritance from
23  * LineSegment, which has copies intead. Wheter LineSegment
24  * itself should be refactored can be discussed.
25  * --strk 2006-04-12
26  *
27  **********************************************************************/
28 
29 #ifndef GEOS_SIMPLIFY_TAGGEDLINESEGMENT_H
30 #define GEOS_SIMPLIFY_TAGGEDLINESEGMENT_H
31 
32 #include <geos/export.h>
33 #include <geos/geom/LineSegment.h> // for inheritance
34 
35 
36 // Forward declarations
37 namespace geos {
38 namespace geom {
39 class Coordinate;
40 class Geometry;
41 }
42 }
43 
44 namespace geos {
45 namespace simplify { // geos::simplify
46 
47 
54 class GEOS_DLL TaggedLineSegment: public geom::LineSegment {
55 
56 public:
57 
59  const geom::Coordinate& p1,
60  const geom::Geometry* parent,
61  size_t index);
62 
64  const geom::Coordinate& p1);
65 
67 
68  const geom::Geometry* getParent() const;
69 
70  size_t getIndex() const;
71 
72 private:
73 
74  const geom::Geometry* parent;
75 
76  size_t index;
77 
78 };
79 
80 
81 
82 } // namespace geos::simplify
83 } // namespace geos
84 
85 #endif // GEOS_SIMPLIFY_TAGGEDLINESEGMENT_H
Definition: LineSegment.h:57
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
A geom::LineSegment which is tagged with its location in a geom::Geometry.
Definition: TaggedLineSegment.h:54
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:187
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25