GEOS 3.9.1
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#ifndef GEOS_GEOS_GEOMETRYCOLLECTION_H
21#define GEOS_GEOS_GEOMETRYCOLLECTION_H
22
23#include <geos/export.h>
24#include <geos/geom/Geometry.h> // for inheritance
25#include <geos/geom/Envelope.h> // for proper use of unique_ptr<>
26#include <geos/geom/Dimension.h> // for Dimension::DimensionType
27
28#include <geos/inline.h>
29
30#include <string>
31#include <vector>
32#include <memory> // for unique_ptr
33
34// Forward declarations
35namespace geos {
36namespace geom { // geos::geom
37class Coordinate;
38class CoordinateArraySequence;
39class CoordinateSequenceFilter;
40}
41}
42
43namespace geos {
44namespace geom { // geos::geom
45
55class GEOS_DLL GeometryCollection : public Geometry {
56
57public:
58 friend class GeometryFactory;
59
60 typedef std::vector<std::unique_ptr<Geometry>>::const_iterator const_iterator;
61
62 typedef std::vector<std::unique_ptr<Geometry>>::iterator iterator;
63
64 const_iterator begin() const;
65
66 const_iterator end() const;
67
74 std::unique_ptr<Geometry>
75 clone() const override
76 {
77 return std::unique_ptr<Geometry>(new GeometryCollection(*this));
78 }
79
80 ~GeometryCollection() override = default;
81
82 void setSRID(int) override;
83
97 std::unique_ptr<CoordinateSequence> getCoordinates() const override;
98
99 bool isEmpty() const override;
100
109
111
113 uint8_t getCoordinateDimension() const override;
114
115 std::unique_ptr<Geometry> getBoundary() const override;
116
122 int getBoundaryDimension() const override;
123
124 std::size_t getNumPoints() const override;
125
126 std::string getGeometryType() const override;
127
129
130 bool equalsExact(const Geometry* other,
131 double tolerance = 0) const override;
132
133 void apply_ro(CoordinateFilter* filter) const override;
134
135 void apply_rw(const CoordinateFilter* filter) override;
136
137 void apply_ro(GeometryFilter* filter) const override;
138
139 void apply_rw(GeometryFilter* filter) override;
140
141 void apply_ro(GeometryComponentFilter* filter) const override;
142
143 void apply_rw(GeometryComponentFilter* filter) override;
144
145 void apply_rw(CoordinateSequenceFilter& filter) override;
146
147 void apply_ro(CoordinateSequenceFilter& filter) const override;
148
149 void normalize() override;
150
151 const Coordinate* getCoordinate() const override;
152
154 double getArea() const override;
155
157 double getLength() const override;
158
160 std::size_t getNumGeometries() const override;
161
163 const Geometry* getGeometryN(std::size_t n) const override;
164
172 std::unique_ptr<Geometry> reverse() const override;
173
174protected:
175
177
202 GeometryCollection(std::vector<Geometry*>* newGeoms, const GeometryFactory* newFactory);
203
204 GeometryCollection(std::vector<std::unique_ptr<Geometry>> && newGeoms, const GeometryFactory& newFactory);
205
207 template<typename T>
208 GeometryCollection(std::vector<std::unique_ptr<T>> && newGeoms, const GeometryFactory& newFactory) :
209 GeometryCollection(toGeometryArray(std::move(newGeoms)), newFactory) {}
210
211 int
212 getSortIndex() const override
213 {
214 return SORTINDEX_GEOMETRYCOLLECTION;
215 };
216
217 std::vector<std::unique_ptr<Geometry>> geometries;
218
219 Envelope::Ptr computeEnvelopeInternal() const override;
220
221 int compareToSameClass(const Geometry* gc) const override;
222
223};
224
225} // namespace geos::geom
226} // namespace geos
227
228#ifdef GEOS_INLINE
229# include "geos/geom/GeometryCollection.inl"
230#endif
231
232#endif // ndef GEOS_GEOS_GEOMETRYCOLLECTION_H
Geometry classes support the concept of applying a coordinate filter to every coordinate in the Geome...
Definition CoordinateFilter.h:43
Interface for classes which provide operations that can be applied to the coordinates in a Coordinate...
Definition CoordinateSequenceFilter.h:57
Coordinate is the lightweight class used to store coordinates.
Definition Coordinate.h:60
DimensionType
Definition Dimension.h:31
Represents a collection of heterogeneous Geometry objects.
Definition GeometryCollection.h:55
void setSRID(int) override
Sets the ID of the Spatial Reference System used by the Geometry.
bool isDimensionStrict(Dimension::DimensionType d) const override
Checks whether this Geometry consists only of components having dimension d.
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:208
std::unique_ptr< Geometry > clone() const override
Definition GeometryCollection.h:75
std::string getGeometryType() const override
Return a string representation of this Geometry type.
const Coordinate * getCoordinate() const override
Returns a vertex of this Geometry, or NULL if this is the empty geometry.
const Geometry * getGeometryN(std::size_t n) const override
Returns a pointer to the nth Geometry in this collection.
uint8_t getCoordinateDimension() const override
Returns coordinate dimension.
GeometryCollection(std::vector< Geometry * > *newGeoms, const GeometryFactory *newFactory)
Construct a GeometryCollection with the given GeometryFactory. Will keep a reference to the factory,...
void apply_ro(CoordinateSequenceFilter &filter) const override
GeometryTypeId getGeometryTypeId() const override
Return an integer representation of this Geometry type.
std::unique_ptr< Geometry > reverse() const override
std::unique_ptr< CoordinateSequence > getCoordinates() const override
Collects all coordinates of all subgeometries into a CoordinateSequence.
double getArea() const override
Returns the total area of this collection.
std::size_t getNumPoints() const override
Returns the count of this Geometrys vertices.
bool isEmpty() const override
Returns whether or not the set of points in this Geometry is empty.
Dimension::DimensionType getDimension() const override
Returns the maximum dimension of geometries in this collection (0=point, 1=line, 2=surface)
int getBoundaryDimension() const override
Returns the maximum boundary dimension of geometries in this collection.
double getLength() const override
Returns the total length of this collection.
bool equalsExact(const Geometry *other, double tolerance=0) const override
Returns true iff the two Geometrys are of the same type and their vertices corresponding by index are...
std::unique_ptr< Geometry > getBoundary() const override
Returns the boundary, or an empty geometry of appropriate dimension if this Geometry is empty.
std::size_t getNumGeometries() const override
Returns the number of geometries in this collection.
void apply_rw(CoordinateSequenceFilter &filter) override
Definition GeometryComponentFilter.h:43
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition GeometryFactory.h:68
Geometry classes support the concept of applying a Geometry filter to the Geometry.
Definition GeometryFilter.h:47
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:188
GeometryTypeId
Geometry types.
Definition Geometry.h:75
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26