/usr/include/boost/geometry/algorithms
Edit: /usr/include/boost/geometry/algorithms/assign.hpp (10709B)
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Copyright (c) 2014 Samuel Debionne, Grenoble, France.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_ALGORITHMS_ASSIGN_HPP
#define BOOST_GEOMETRY_ALGORITHMS_ASSIGN_HPP
#include
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namespace boost { namespace geometry
{
/*!
\brief Assign a range of points to a linestring, ring or polygon
\note The point-type of the range might be different from the point-type of the geometry
\ingroup assign
\tparam Geometry \tparam_geometry
\tparam Range \tparam_range_point
\param geometry \param_geometry
\param range \param_range_point
\qbk{
[heading Notes]
[note Assign automatically clears the geometry before assigning (use append if you don't want that)]
[heading Example]
[assign_points] [assign_points_output]
[heading See also]
\* [link geometry.reference.algorithms.append append]
}
*/
template
inline void assign_points(Geometry& geometry, Range const& range)
{
concepts::check();
clear(geometry);
geometry::append(geometry, range, -1, 0);
}
/*!
\brief assign to a box inverse infinite
\details The assign_inverse function initialize a 2D or 3D box with large coordinates, the
min corner is very large, the max corner is very small. This is a convenient starting point to
collect the minimum bounding box of a geometry.
\ingroup assign
\tparam Geometry \tparam_geometry
\param geometry \param_geometry
\qbk{
[heading Example]
[assign_inverse] [assign_inverse_output]
[heading See also]
\* [link geometry.reference.algorithms.make.make_inverse make_inverse]
}
*/
template
inline void assign_inverse(Geometry& geometry)
{
concepts::check();
dispatch::assign_inverse
<
typename tag::type,
Geometry
>::apply(geometry);
}
/*!
\brief assign zero values to a box, point
\ingroup assign
\details The assign_zero function initializes a 2D or 3D point or box with coordinates of zero
\tparam Geometry \tparam_geometry
\param geometry \param_geometry
*/
template
inline void assign_zero(Geometry& geometry)
{
concepts::check();
dispatch::assign_zero
<
typename tag::type,
Geometry
>::apply(geometry);
}
/*!
\brief Assign two coordinates to a geometry (usually a 2D point)
\ingroup assign
\tparam Geometry \tparam_geometry
\tparam Type \tparam_numeric to specify the coordinates
\param geometry \param_geometry
\param c1 \param_x
\param c2 \param_y
\qbk{distinguish, 2 coordinate values}
\qbk{
[heading Example]
[assign_2d_point] [assign_2d_point_output]
[heading See also]
\* [link geometry.reference.algorithms.make.make_2_2_coordinate_values make]
}
*/
template
inline void assign_values(Geometry& geometry, Type const& c1, Type const& c2)
{
concepts::check();
dispatch::assign
<
typename tag::type,
Geometry,
geometry::dimension::type::value
>::apply(geometry, c1, c2);
}
/*!
\brief Assign three values to a geometry (usually a 3D point)
\ingroup assign
\tparam Geometry \tparam_geometry
\tparam Type \tparam_numeric to specify the coordinates
\param geometry \param_geometry
\param c1 \param_x
\param c2 \param_y
\param c3 \param_z
\qbk{distinguish, 3 coordinate values}
\qbk{
[heading Example]
[assign_3d_point] [assign_3d_point_output]
[heading See also]
\* [link geometry.reference.algorithms.make.make_3_3_coordinate_values make]
}
*/
template
inline void assign_values(Geometry& geometry,
Type const& c1, Type const& c2, Type const& c3)
{
concepts::check();
dispatch::assign
<
typename tag::type,
Geometry,
geometry::dimension::type::value
>::apply(geometry, c1, c2, c3);
}
/*!
\brief Assign four values to a geometry (usually a box or segment)
\ingroup assign
\tparam Geometry \tparam_geometry
\tparam Type \tparam_numeric to specify the coordinates
\param geometry \param_geometry
\param c1 First coordinate (usually x1)
\param c2 Second coordinate (usually y1)
\param c3 Third coordinate (usually x2)
\param c4 Fourth coordinate (usually y2)
\qbk{distinguish, 4 coordinate values}
*/
template
inline void assign_values(Geometry& geometry,
Type const& c1, Type const& c2, Type const& c3, Type const& c4)
{
concepts::check();
dispatch::assign
<
typename tag::type,
Geometry,
geometry::dimension::type::value
>::apply(geometry, c1, c2, c3, c4);
}
namespace resolve_variant
{
template
struct assign
{
static inline void
apply(Geometry1& geometry1, const Geometry2& geometry2)
{
concepts::check();
concepts::check();
concepts::check_concepts_and_equal_dimensions();
static bool const same_point_order
= point_order::value == point_order::value;
BOOST_MPL_ASSERT_MSG
(
(same_point_order),
ASSIGN_IS_NOT_SUPPORTED_FOR_DIFFERENT_POINT_ORDER,
(types)
);
static bool const same_closure
= closure::value == closure::value;
BOOST_MPL_ASSERT_MSG
(
(same_closure),
ASSIGN_IS_NOT_SUPPORTED_FOR_DIFFERENT_CLOSURE,
(types)
);
dispatch::convert::apply(geometry2, geometry1);
}
};
template
struct assign, Geometry2>
{
struct visitor: static_visitor
{
Geometry2 const& m_geometry2;
visitor(Geometry2 const& geometry2)
: m_geometry2(geometry2)
{}
template
result_type operator()(Geometry1& geometry1) const
{
return assign
<
Geometry1,
Geometry2
>::apply
(geometry1, m_geometry2);
}
};
static inline void
apply(variant& geometry1,
Geometry2 const& geometry2)
{
return boost::apply_visitor(visitor(geometry2), geometry1);
}
};
template
struct assign >
{
struct visitor: static_visitor
{
Geometry1& m_geometry1;
visitor(Geometry1 const& geometry1)
: m_geometry1(geometry1)
{}
template
result_type operator()(Geometry2 const& geometry2) const
{
return assign
<
Geometry1,
Geometry2
>::apply
(m_geometry1, geometry2);
}
};
static inline void
apply(Geometry1& geometry1,
variant const& geometry2)
{
return boost::apply_visitor(visitor(geometry1), geometry2);
}
};
template
struct assign, variant >
{
struct visitor: static_visitor
{
template
result_type operator()(
Geometry1& geometry1,
Geometry2 const& geometry2) const
{
return assign
<
Geometry1,
Geometry2
>::apply
(geometry1, geometry2);
}
};
static inline void
apply(variant& geometry1,
variant const& geometry2)
{
return boost::apply_visitor(visitor(), geometry1, geometry2);
}
};
} // namespace resolve_variant
/*!
\brief Assigns one geometry to another geometry
\details The assign algorithm assigns one geometry, e.g. a BOX, to another
geometry, e.g. a RING. This only works if it is possible and applicable.
\ingroup assign
\tparam Geometry1 \tparam_geometry
\tparam Geometry2 \tparam_geometry
\param geometry1 \param_geometry (target)
\param geometry2 \param_geometry (source)
\qbk{
[heading Example]
[assign] [assign_output]
[heading See also]
\* [link geometry.reference.algorithms.convert convert]
}
*/
template
inline void assign(Geometry1& geometry1, Geometry2 const& geometry2)
{
resolve_variant::assign::apply(geometry1, geometry2);
}
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_ASSIGN_HPP