GEOS  3.8.0dev
LinearIterator.h
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3  * GEOS - Geometry Engine Open Source
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6  * Copyright (C) 2005-2006 Refractions Research Inc.
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
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15  *
16  * Last port: linearref/LinearIterator.java r463
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19 
20 #ifndef GEOS_LINEARREF_LINEARITERATOR_H
21 #define GEOS_LINEARREF_LINEARITERATOR_H
22 
23 #include <string>
24 
25 #include <geos/geom/Coordinate.h>
26 #include <geos/geom/Geometry.h>
27 #include <geos/geom/LineSegment.h>
28 #include <geos/linearref/LinearLocation.h>
29 
30 namespace geos {
31 namespace linearref {
32 
51 public:
57  LinearIterator(const geom::Geometry* linear);
58 
66  LinearIterator(const geom::Geometry* linear, const LinearLocation& start);
67 
76  LinearIterator(const geom::Geometry* linear, size_t componentIndex, size_t vertexIndex);
77 
82  bool hasNext() const;
83 
84 
88  void next();
89 
96  bool isEndOfLine() const;
97 
102  size_t getComponentIndex() const;
103 
108  size_t getVertexIndex() const;
109 
114  const geom::LineString* getLine() const;
115 
122 
131 
132 private:
133 
134  static size_t segmentEndVertexIndex(const LinearLocation& loc);
135 
136  const geom::LineString* currentLine;
137  size_t vertexIndex;
138  size_t componentIndex;
139  const geom::Geometry* linear;
140  const size_t numLines;
141 
148  void loadCurrentLine();
149 
150  // Declare type as noncopyable
151  LinearIterator(const LinearIterator& other) = delete;
152  LinearIterator& operator=(const LinearIterator& rhs) = delete;
153 };
154 
155 }
156 } // namespace geos::linearref
157 
158 #endif // GEOS_LINEARREF_LINEARITERATOR_H
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:187
Definition: LineString.h:69
Represents a location along a LineString or MultiLineString.
Definition: LinearLocation.h:43
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
const geom::LineString * getLine() const
geom::Coordinate getSegmentEnd() const
geom::Coordinate getSegmentStart() const
LinearIterator(const geom::Geometry *linear)
An iterator over the components and coordinates of a linear geometry (LineString or MultiLineString)...
Definition: LinearIterator.h:50