GEOS  3.10.1
TriList.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2020 Paul Ramsey <pramsey@cleverelephant.ca>
7  *
8  * This is free software; you can redistribute and/or modify it under
9  * the terms of the GNU Lesser General Public Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************/
14 
15 #pragma once
16 
17 #include <geos/triangulate/tri/Tri.h>
18 
19 #include <geos/export.h>
20 #include <iostream>
21 #include <deque>
22 #include <array>
23 
24 // Forward declarations
25 namespace geos {
26 namespace geom {
27 class Coordinate;
28 class Geometry;
29 }
30 }
31 
34 
35 namespace geos { // geos.
36 namespace triangulate { // geos.triangulate
37 namespace tri { // geos.triangulate.tri
38 
39 
48 class GEOS_DLL TriList {
49 
50 private:
51 
52  // Members
53  std::deque<Tri> triStore;
54  std::vector<Tri*> tris;
55 
56  // Methods
57  Tri* create(const Coordinate& c0, const Coordinate& c1, const Coordinate& c2);
58 
59 
60 public:
61 
62  TriList() {};
63 
64  void add(const Coordinate& c0, const Coordinate& c1, const Coordinate& c2);
65 
66  void add(std::array<Coordinate, 3>& corner)
67  {
68  add(corner[0], corner[1], corner[2]);
69  }
70 
71  std::unique_ptr<Geometry> toGeometry(
72  const GeometryFactory* geomFact) const;
73 
74  static std::unique_ptr<Geometry> toGeometry(
75  const geom::GeometryFactory* geomFact,
76  const std::vector<std::unique_ptr<TriList>>& allTriLists);
77 
78  friend std::ostream& operator << (std::ostream& os, TriList& te);
79 
80  // Support for iterating on TriList
81  typedef std::vector<Tri*>::iterator iterator;
82  typedef std::vector<Tri*>::const_iterator const_iterator;
83  size_t size() const { return tris.size(); }
84  bool empty() const { return tris.empty(); }
85  iterator begin() { return tris.begin(); }
86  iterator end() { return tris.end(); }
87  const_iterator begin() const { return tris.begin(); }
88  const_iterator end() const { return tris.end(); }
89  Tri* operator [] (std::size_t index) { return tris[index]; }
90 
91 };
92 
93 
94 } // namespace geos.triangulate.tri
95 } // namespace geos.triangulate
96 } // namespace geos
97 
Coordinate is the lightweight class used to store coordinates.
Definition: Coordinate.h:60
Definition: TriList.h:48
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:188
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
Definition: Tri.h:50