diff options
Diffstat (limited to 'boost/geometry/algorithms/detail/relate/turns.hpp')
| -rw-r--r-- | boost/geometry/algorithms/detail/relate/turns.hpp | 85 |
1 files changed, 55 insertions, 30 deletions
diff --git a/boost/geometry/algorithms/detail/relate/turns.hpp b/boost/geometry/algorithms/detail/relate/turns.hpp index a2e56a8882..636c9756d8 100644 --- a/boost/geometry/algorithms/detail/relate/turns.hpp +++ b/boost/geometry/algorithms/detail/relate/turns.hpp @@ -1,16 +1,17 @@ // Boost.Geometry (aka GGL, Generic Geometry Library) -// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. +// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands. -// This file was modified by Oracle on 2013, 2014. -// Modifications copyright (c) 2013-2014 Oracle and/or its affiliates. +// This file was modified by Oracle on 2013, 2014, 2015. +// Modifications copyright (c) 2013-2015 Oracle and/or its affiliates. + +// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle +// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle // 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) -// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle - #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_TURNS_HPP #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_TURNS_HPP @@ -19,8 +20,12 @@ #include <boost/geometry/algorithms/detail/overlay/get_turns.hpp> #include <boost/geometry/algorithms/detail/overlay/get_turn_info.hpp> +#include <boost/geometry/policies/robustness/get_rescale_policy.hpp> +#include <boost/geometry/policies/robustness/no_rescale_policy.hpp> + #include <boost/type_traits/is_base_of.hpp> + namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DETAIL @@ -35,10 +40,16 @@ struct assign_policy // GET_TURNS -template <typename Geometry1, - typename Geometry2, - typename GetTurnPolicy - = detail::get_turns::get_turn_info_type<Geometry1, Geometry2, assign_policy<> > > +template +< + typename Geometry1, + typename Geometry2, + typename GetTurnPolicy = detail::get_turns::get_turn_info_type + < + Geometry1, Geometry2, assign_policy<> + >, + typename RobustPolicy = detail::no_rescale_policy +> struct get_turns { typedef typename geometry::point_type<Geometry1>::type point1_type; @@ -46,11 +57,14 @@ struct get_turns typedef overlay::turn_info < point1_type, - typename segment_ratio_type<point1_type, detail::no_rescale_policy>::type, + typename segment_ratio_type<point1_type, RobustPolicy>::type, typename detail::get_turns::turn_operation_type < Geometry1, Geometry2, - typename segment_ratio_type<point1_type, detail::no_rescale_policy>::type + typename segment_ratio_type + < + point1_type, RobustPolicy + >::type >::type > turn_info; @@ -73,6 +87,12 @@ struct get_turns static const bool reverse1 = detail::overlay::do_reverse<geometry::point_order<Geometry1>::value>::value; static const bool reverse2 = detail::overlay::do_reverse<geometry::point_order<Geometry2>::value>::value; + RobustPolicy robust_policy = geometry::get_rescale_policy + < + RobustPolicy + >(geometry1, geometry2); + + dispatch::get_turns < typename geometry::tag<Geometry1>::type, @@ -83,7 +103,7 @@ struct get_turns reverse2, GetTurnPolicy >::apply(0, geometry1, 1, geometry2, - detail::no_rescale_policy(), turns, interrupt_policy); + robust_policy, turns, interrupt_policy); } }; @@ -125,7 +145,7 @@ struct less_op_linear_linear {}; template <std::size_t OpId> -struct less_op_linear_areal +struct less_op_linear_areal_single { template <typename Turn> inline bool operator()(Turn const& left, Turn const& right) const @@ -137,27 +157,19 @@ struct less_op_linear_areal segment_identifier const& left_other_seg_id = left.operations[other_op_id].seg_id; segment_identifier const& right_other_seg_id = right.operations[other_op_id].seg_id; - if ( left_other_seg_id.multi_index == right_other_seg_id.multi_index ) - { - typedef typename Turn::turn_operation_type operation_type; - operation_type const& left_operation = left.operations[OpId]; - operation_type const& right_operation = right.operations[OpId]; + typedef typename Turn::turn_operation_type operation_type; + operation_type const& left_operation = left.operations[OpId]; + operation_type const& right_operation = right.operations[OpId]; - if ( left_other_seg_id.ring_index == right_other_seg_id.ring_index ) - { - return op_to_int_xuic(left_operation) - < op_to_int_xuic(right_operation); - } - else - { - return op_to_int_xiuc(left_operation) - < op_to_int_xiuc(right_operation); - } + if ( left_other_seg_id.ring_index == right_other_seg_id.ring_index ) + { + return op_to_int_xuic(left_operation) + < op_to_int_xuic(right_operation); } else { - //return op_to_int_xuic(left.operations[OpId]) < op_to_int_xuic(right.operations[OpId]); - return left_other_seg_id.multi_index < right_other_seg_id.multi_index; + return op_to_int_xiuc(left_operation) + < op_to_int_xiuc(right_operation); } } }; @@ -217,6 +229,19 @@ struct less_op_areal_areal } }; +template <std::size_t OpId> +struct less_other_multi_index +{ + static const std::size_t other_op_id = (OpId + 1) % 2; + + template <typename Turn> + inline bool operator()(Turn const& left, Turn const& right) const + { + return left.operations[other_op_id].seg_id.multi_index + < right.operations[other_op_id].seg_id.multi_index; + } +}; + // sort turns by G1 - source_index == 0 by: // seg_id -> distance -> operation template <std::size_t OpId = 0, |