GEOS  3.11.1
GeometryCollection.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/GeometryCollection.java rev. 1.41
17  *
18  **********************************************************************/
19 
20 #pragma once
21 
22 #include <geos/export.h>
23 #include <geos/geom/Geometry.h> // for inheritance
24 #include <geos/geom/Envelope.h> // for proper use of unique_ptr<>
25 #include <geos/geom/Dimension.h> // for Dimension::DimensionType
26 
27 #include <string>
28 #include <vector>
29 #include <memory> // for unique_ptr
30 
31 // Forward declarations
32 namespace geos {
33 namespace geom { // geos::geom
34 class Coordinate;
35 class CoordinateArraySequence;
36 class CoordinateSequenceFilter;
37 }
38 }
39 
40 namespace geos {
41 namespace geom { // geos::geom
42 
52 class GEOS_DLL GeometryCollection : public Geometry {
53 
54 public:
55  friend class GeometryFactory;
56 
57  typedef std::vector<std::unique_ptr<Geometry>>::const_iterator const_iterator;
58 
59  typedef std::vector<std::unique_ptr<Geometry>>::iterator iterator;
60 
61  const_iterator begin() const
62  {
63  return geometries.begin();
64  };
65 
66  const_iterator end() const
67  {
68  return geometries.end();
69  };
70 
77  std::unique_ptr<GeometryCollection> clone() const
78  {
79  return std::unique_ptr<GeometryCollection>(cloneImpl());
80  }
81 
82  ~GeometryCollection() override = default;
83 
84  void setSRID(int) override;
85 
99  std::unique_ptr<CoordinateSequence> getCoordinates() const override;
100 
101  bool isEmpty() const override;
102 
110  Dimension::DimensionType getDimension() const override;
111 
112  bool isDimensionStrict(Dimension::DimensionType d) const override;
113 
115  uint8_t getCoordinateDimension() const override;
116 
117  std::unique_ptr<Geometry> getBoundary() const override;
118 
124  int getBoundaryDimension() const override;
125 
126  std::size_t getNumPoints() const override;
127 
128  std::string getGeometryType() const override;
129 
130  GeometryTypeId getGeometryTypeId() const override;
131 
132  bool equalsExact(const Geometry* other,
133  double tolerance = 0) const override;
134 
135  void apply_ro(CoordinateFilter* filter) const override;
136 
137  void apply_rw(const CoordinateFilter* filter) override;
138 
139  void apply_ro(GeometryFilter* filter) const override;
140 
141  void apply_rw(GeometryFilter* filter) override;
142 
143  void apply_ro(GeometryComponentFilter* filter) const override;
144 
145  void apply_rw(GeometryComponentFilter* filter) override;
146 
147  void apply_rw(CoordinateSequenceFilter& filter) override;
148 
149  void apply_ro(CoordinateSequenceFilter& filter) const override;
150 
151  void normalize() override;
152 
153  const Coordinate* getCoordinate() const override;
154 
156  double getArea() const override;
157 
159  double getLength() const override;
160 
162  std::size_t getNumGeometries() const override;
163 
165  const Geometry* getGeometryN(std::size_t n) const override;
166 
174  std::vector<std::unique_ptr<Geometry>> releaseGeometries();
175 
183  std::unique_ptr<GeometryCollection> reverse() const { return std::unique_ptr<GeometryCollection>(reverseImpl()); }
184 
185 protected:
186 
188 
213  GeometryCollection(std::vector<Geometry*>* newGeoms, const GeometryFactory* newFactory);
214 
215  GeometryCollection(std::vector<std::unique_ptr<Geometry>> && newGeoms, const GeometryFactory& newFactory);
216 
218  template<typename T>
219  GeometryCollection(std::vector<std::unique_ptr<T>> && newGeoms, const GeometryFactory& newFactory) :
220  GeometryCollection(toGeometryArray(std::move(newGeoms)), newFactory) {}
221 
222  GeometryCollection* cloneImpl() const override { return new GeometryCollection(*this); }
223 
224  GeometryCollection* reverseImpl() const override;
225 
226  int
227  getSortIndex() const override
228  {
229  return SORTINDEX_GEOMETRYCOLLECTION;
230  };
231 
232  std::vector<std::unique_ptr<Geometry>> geometries;
233 
234  Envelope::Ptr computeEnvelopeInternal() const override;
235 
236  int compareToSameClass(const Geometry* gc) const override;
237 
238 };
239 
240 } // namespace geos::geom
241 } // namespace geos
242 
Geometry classes support the concept of applying a Geometry filter to the Geometry.
Definition: GeometryFilter.h:45
std::unique_ptr< GeometryCollection > reverse() const
Definition: GeometryCollection.h:183
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:58
Interface for classes which provide operations that can be applied to the coordinates in a Coordinate...
Definition: CoordinateSequenceFilter.h:55
GeometryTypeId
Geometry types.
Definition: Geometry.h:73
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:186
GeometryCollection(std::vector< std::unique_ptr< T >> &&newGeoms, const GeometryFactory &newFactory)
Convenience constructor to build a GeometryCollection from vector of Geometry subclass pointers...
Definition: GeometryCollection.h:219
Geometry classes support the concept of applying a coordinate filter to every coordinate in the Geome...
Definition: CoordinateFilter.h:41
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:66
Represents a collection of heterogeneous Geometry objects.
Definition: GeometryCollection.h:52
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25
std::unique_ptr< GeometryCollection > clone() const
Definition: GeometryCollection.h:77
GeometryCollection * cloneImpl() const override
Make a deep-copy of this Geometry.
Definition: GeometryCollection.h:222
DimensionType
Definition: Dimension.h:29
Definition: GeometryComponentFilter.h:41