GEOS  3.10.1
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.
12  * See the COPYING file for more information.
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 
57 class GEOS_DLL LinearRing : public LineString {
58 
59 public:
60 
65  static const unsigned int MINIMUM_VALID_SIZE = 3;
66 
67  LinearRing(const LinearRing& lr);
68 
82  const GeometryFactory* newFactory);
83 
85  LinearRing(CoordinateSequence::Ptr && points,
86  const GeometryFactory& newFactory);
87 
88  std::unique_ptr<LinearRing> clone() const
89  {
90  return std::unique_ptr<LinearRing>(cloneImpl());
91  }
92 
93  ~LinearRing() override = default;
94 
101  int getBoundaryDimension() const override;
102 
103  bool isClosed() const override;
104 
105  std::string getGeometryType() const override;
106 
107  GeometryTypeId getGeometryTypeId() const override;
108 
109  void setPoints(const CoordinateSequence* cl);
110 
111  std::unique_ptr<LinearRing> reverse() const { return std::unique_ptr<LinearRing>(reverseImpl()); }
112 
113 protected:
114 
115  int
116  getSortIndex() const override
117  {
118  return SORTINDEX_LINEARRING;
119  };
120 
121  LinearRing* cloneImpl() const override { return new LinearRing(*this); }
122 
123  LinearRing* reverseImpl() const override;
124 
125 private:
126 
127  void validateConstruction();
128 };
129 
130 
131 } // namespace geos::geom
132 } // namespace geos
133 
134 #endif // ndef GEOS_GEOS_LINEARRING_H
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: Angle.h:26
Models an OGC SFS LinearRing. A LinearRing is a LineString which is both closed and simple...
Definition: LinearRing.h:57
LinearRing * cloneImpl() const override
Make a deep-copy of this Geometry.
Definition: LinearRing.h:121
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58