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1 // Boost.Geometry (aka GGL, Generic Geometry Library)
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2
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3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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6
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7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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9
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10 // Use, modification and distribution is subject to the Boost Software License,
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11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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12 // http://www.boost.org/LICENSE_1_0.txt)
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13
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14 #ifndef BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP
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15 #define BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP
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16
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17 #include <cstddef>
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18
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19 #include <boost/mpl/int.hpp>
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20
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21 #include <boost/geometry/core/cs.hpp>
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22 #include <boost/geometry/geometries/point.hpp>
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23
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24 namespace boost { namespace geometry
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25 {
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26
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27 namespace model { namespace d2
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28 {
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29
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30 /*!
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31 \brief 2D point in Cartesian coordinate system
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32 \tparam CoordinateType numeric type, for example, double, float, int
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33 \tparam CoordinateSystem coordinate system, defaults to cs::cartesian
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34
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35 \qbk{before.synopsis,
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36 [heading Model of]
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37 [link geometry.reference.concepts.concept_point Point Concept]
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38 }
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39
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40 \qbk{[include reference/geometries/point_assign_warning.qbk]}
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41
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42 */
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43 template<typename CoordinateType, typename CoordinateSystem = cs::cartesian>
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44 class point_xy : public model::point<CoordinateType, 2, CoordinateSystem>
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45 {
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46 public:
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47
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48 /// Default constructor, does not initialize anything
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49 inline point_xy()
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50 : model::point<CoordinateType, 2, CoordinateSystem>()
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51 {}
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52
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53 /// Constructor with x/y values
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54 inline point_xy(CoordinateType const& x, CoordinateType const& y)
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55 : model::point<CoordinateType, 2, CoordinateSystem>(x, y)
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56 {}
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57
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58 /// Get x-value
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59 inline CoordinateType const& x() const
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60 { return this->template get<0>(); }
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61
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62 /// Get y-value
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63 inline CoordinateType const& y() const
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64 { return this->template get<1>(); }
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65
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66 /// Set x-value
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67 inline void x(CoordinateType const& v)
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68 { this->template set<0>(v); }
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69
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70 /// Set y-value
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71 inline void y(CoordinateType const& v)
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72 { this->template set<1>(v); }
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73 };
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74
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75
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76 }} // namespace model::d2
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77
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78
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79 // Adapt the point_xy to the concept
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80 #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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81 namespace traits
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82 {
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83
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84 template <typename CoordinateType, typename CoordinateSystem>
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85 struct tag<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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86 {
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87 typedef point_tag type;
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88 };
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89
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90 template<typename CoordinateType, typename CoordinateSystem>
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91 struct coordinate_type<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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92 {
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93 typedef CoordinateType type;
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94 };
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95
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96 template<typename CoordinateType, typename CoordinateSystem>
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97 struct coordinate_system<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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98 {
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99 typedef CoordinateSystem type;
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100 };
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101
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102 template<typename CoordinateType, typename CoordinateSystem>
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103 struct dimension<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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104 : boost::mpl::int_<2>
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105 {};
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106
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107 template<typename CoordinateType, typename CoordinateSystem, std::size_t Dimension>
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108 struct access<model::d2::point_xy<CoordinateType, CoordinateSystem>, Dimension >
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109 {
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110 static inline CoordinateType get(
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111 model::d2::point_xy<CoordinateType, CoordinateSystem> const& p)
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112 {
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113 return p.template get<Dimension>();
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114 }
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115
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116 static inline void set(model::d2::point_xy<CoordinateType, CoordinateSystem>& p,
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117 CoordinateType const& value)
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118 {
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119 p.template set<Dimension>(value);
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120 }
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121 };
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122
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123 } // namespace traits
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124 #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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125
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126 }} // namespace boost::geometry
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127
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128 #endif // BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP
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