GEOS  3.9.0dev
LinearRing.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2001-2002 Vivid Solutions Inc.
7  * Copyright (C) 2005 2006 Refractions Research Inc.
8  *
9  * This is free software; you can redistribute and/or modify it under
10  * the terms of the GNU Lesser General Public Licence as published
11  * by the Free Software Foundation.
13  *
14  **********************************************************************
15  *
16  * Last port: geom/LinearRing.java r320 (JTS-1.12)
17  *
18  **********************************************************************/
19
20 #ifndef GEOS_GEOS_LINEARRING_H
21 #define GEOS_GEOS_LINEARRING_H
22
23 #include <geos/export.h>
24 #include <string>
25 #include <vector>
26 #include <geos/geom/LineString.h>
27
28 #include <geos/inline.h>
29
30 // Forward declarations
31 namespace geos {
32 namespace geom { // geos::geom
33 class Coordinate;
34 class CoordinateArraySequence;
35 }
36 }
37
38 namespace geos {
39 namespace geom { // geos::geom
40
54 class GEOS_DLL LinearRing : public LineString {
55
56 public:
57
62  static const unsigned int MINIMUM_VALID_SIZE = 4;
63
64  LinearRing(const LinearRing& lr);
65
79  const GeometryFactory* newFactory);
80
82  LinearRing(CoordinateSequence::Ptr && points,
83  const GeometryFactory& newFactory);
84
85  std::unique_ptr<Geometry>
86  clone() const override
87  {
88  return std::unique_ptr<Geometry>(new LinearRing(*this));
89  }
90
91  ~LinearRing() override = default;
92
99  int getBoundaryDimension() const override;
100
101  bool isClosed() const override;
102
103  std::string getGeometryType() const override;
104
105  GeometryTypeId getGeometryTypeId() const override;
106
107  void setPoints(const CoordinateSequence* cl);
108
109  std::unique_ptr<Geometry> reverse() const override;
110
111 protected:
112
113  int
114  getSortIndex() const override
115  {
116  return SORTINDEX_LINEARRING;
117  };
118
119
120 private:
121
122  void validateConstruction();
123 };
124
125
126 } // namespace geos::geom
127 } // namespace geos
128
129 #endif // ndef GEOS_GEOS_LINEARRING_H
std::unique_ptr< Geometry > clone() const override
Make a deep-copy of this Geometry.
Definition: LinearRing.h:86
GeometryTypeId
Geometry types.
Definition: Geometry.h:75
Definition: LineString.h:68
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:68
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26
Models an OGC SFS LinearRing. A LinearRing is a LineString which is both closed and simple...
Definition: LinearRing.h:54
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58