114 lines
3.2 KiB
C++
114 lines
3.2 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2015, 2016, 2018, 2019.
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// Modifications copyright (c) 2015-2019, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_STRATEGY_SPHERICAL_ENVELOPE_HPP
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#define BOOST_GEOMETRY_STRATEGY_SPHERICAL_ENVELOPE_HPP
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#include <boost/geometry/algorithms/detail/envelope/initialize.hpp>
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#include <boost/geometry/algorithms/detail/envelope/range_of_boxes.hpp>
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#include <boost/geometry/iterators/segment_iterator.hpp>
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#include <boost/geometry/strategy/spherical/envelope_box.hpp>
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#include <boost/geometry/strategy/spherical/envelope_segment.hpp>
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#include <boost/geometry/strategy/spherical/expand_box.hpp>
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#include <boost/geometry/strategy/spherical/expand_segment.hpp>
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namespace boost { namespace geometry
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{
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namespace strategy { namespace envelope
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{
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template <typename CalculationType = void>
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class spherical
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{
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public:
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typedef spherical_tag cs_tag;
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// Linestring, Ring, Polygon
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template <typename Range>
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static inline geometry::segment_iterator<Range const> begin(Range const& range)
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{
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return geometry::segments_begin(range);
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}
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template <typename Range>
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static inline geometry::segment_iterator<Range const> end(Range const& range)
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{
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return geometry::segments_end(range);
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}
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// MultiLinestring, MultiPolygon
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template <typename Box>
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struct multi_state
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{
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void apply(Box const& single_box)
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{
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m_boxes.push_back(single_box);
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}
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void result(Box & box)
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{
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if (!m_boxes.empty())
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{
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geometry::detail::envelope::envelope_range_of_boxes::apply(m_boxes, box);
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}
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else
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{
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geometry::detail::envelope::initialize<Box, 0, dimension<Box>::value>::apply(box);
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}
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}
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private:
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std::vector<Box> m_boxes;
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};
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};
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#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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namespace services
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{
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template <typename Tag, typename CalculationType>
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struct default_strategy<Tag, spherical_equatorial_tag, CalculationType>
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{
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typedef strategy::envelope::spherical<CalculationType> type;
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};
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template <typename Tag, typename CalculationType>
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struct default_strategy<Tag, spherical_polar_tag, CalculationType>
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{
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typedef strategy::envelope::spherical<CalculationType> type;
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};
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}
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#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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}} // namespace strategy::envelope
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}} //namepsace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGY_SPHERICAL_ENVELOPE_HPP
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