GEOS  3.14.0dev
MultiLineString.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
8  * Copyright (C) 2005 2006 Refractions Research Inc.
9  *
10  * This is free software; you can redistribute and/or modify it under
11  * the terms of the GNU Lesser General Public Licence as published
12  * by the Free Software Foundation.
13  * See the COPYING file for more information.
14  *
15  **********************************************************************
16  *
17  * Last port: geom/MultiLineString.java r320 (JTS-1.12)
18  *
19  **********************************************************************/
20 
21 #pragma once
22 
23 #include <geos/export.h>
24 #include <geos/geom/GeometryCollection.h> // for inheritance
25 #include <geos/geom/Dimension.h>
26 #include <geos/geom/LineString.h>
27 #include <geos/geom/MultiPoint.h>
28 
29 #include <string>
30 #include <vector>
31 
32 
33 // Forward declarations
34 namespace geos {
35 namespace geom { // geos::geom
36 class Coordinate;
37 }
38 }
39 
40 namespace geos {
41 namespace geom { // geos::geom
42 
43 #ifdef _MSC_VER
44 #pragma warning(push)
45 #pragma warning(disable:4250) // T1 inherits T2 via dominance
46 #endif
47 
49 class GEOS_DLL MultiLineString: public GeometryCollection {
50 
51 public:
52 
53  friend class GeometryFactory;
54 
55  ~MultiLineString() override = default;
56 
59 
60  bool hasDimension(Dimension::DimensionType d) const override {
61  return d == Dimension::L;
62  }
63 
65  return d == Dimension::L;
66  }
67 
73  int getBoundaryDimension() const override;
74 
76  std::unique_ptr<Geometry> getBoundary() const override;
77 
78  const LineString* getGeometryN(std::size_t n) const override;
79 
80  std::string getGeometryType() const override;
81 
83 
84  bool isClosed() const;
85 
86  std::unique_ptr<MultiLineString> clone() const
87  {
88  return std::unique_ptr<MultiLineString>(cloneImpl());
89  };
90 
100  std::unique_ptr<MultiLineString> reverse() const { return std::unique_ptr<MultiLineString>(reverseImpl()); }
101 
102 protected:
103 
121  MultiLineString(std::vector<std::unique_ptr<LineString>> && newLines,
122  const GeometryFactory& newFactory);
123 
124  MultiLineString(std::vector<std::unique_ptr<Geometry>> && newLines,
125  const GeometryFactory& newFactory);
126 
128  : GeometryCollection(mp)
129  {};
130 
131  MultiLineString* cloneImpl() const override { return new MultiLineString(*this); }
132 
133  MultiLineString* reverseImpl() const override;
134 
135  int
136  getSortIndex() const override
137  {
138  return SORTINDEX_MULTILINESTRING;
139  };
140 
141  bool hasCurvedComponents() const override
142  {
143  return false;
144  }
145 
146 };
147 
148 
149 } // namespace geos::geom
150 } // namespace geos
151 
152 
153 #ifdef _MSC_VER
154 #pragma warning(pop)
155 #endif
156 
157 
158 
159 
160 
DimensionType
Definition: Dimension.h:29
@ L
Dimension value of a curve (1).
Definition: Dimension.h:43
Represents a collection of heterogeneous Geometry objects.
Definition: GeometryCollection.h:51
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:70
Definition: LineString.h:66
Models a collection of LineStrings.
Definition: MultiLineString.h:49
bool hasDimension(Dimension::DimensionType d) const override
Checks whether any component of this geometry has dimension d.
Definition: MultiLineString.h:60
MultiLineString(std::vector< std::unique_ptr< LineString >> &&newLines, const GeometryFactory &newFactory)
Constructs a MultiLineString.
std::unique_ptr< Geometry > getBoundary() const override
Returns a (possibly empty) MultiPoint.
MultiLineString * reverseImpl() const override
Make a geometry with coordinates in reverse order.
bool isDimensionStrict(Dimension::DimensionType d) const override
Checks whether this Geometry consists only of components having dimension d.
Definition: MultiLineString.h:64
Dimension::DimensionType getDimension() const override
Returns line dimension (1)
const LineString * getGeometryN(std::size_t n) const override
Returns a pointer to the nth Geometry in this collection.
std::unique_ptr< MultiLineString > reverse() const
Definition: MultiLineString.h:100
MultiLineString * cloneImpl() const override
Make a deep-copy of this Geometry.
Definition: MultiLineString.h:131
bool hasCurvedComponents() const override
Returns whether the Geometry contains curved components.
Definition: MultiLineString.h:141
GeometryTypeId getGeometryTypeId() const override
Return an integer representation of this Geometry type.
std::string getGeometryType() const override
Return a string representation of this Geometry type.
int getBoundaryDimension() const override
Returns Dimension::False if all LineStrings in the collection are closed, 0 otherwise.
GeometryTypeId
Geometry types.
Definition: Geometry.h:74
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25