FM / cartesian

/usr/include/boost/geometry/strategies/cartesian/

/usr/include/boost/geometry/strategies/cartesian

Name	Size	Mode	Actions
area.hpp	3958	0644	edit dl rm
area_surveyor.hpp	1221	0644	edit dl rm
azimuth.hpp	1212	0644	edit dl rm
box_in_box.hpp	10614	0644	edit dl rm
buffer_end_flat.hpp	3757	0644	edit dl rm
buffer_end_round.hpp	6084	0644	edit dl rm
buffer_join_miter.hpp	4540	0644	edit dl rm
buffer_join_round.hpp	6206	0644	edit dl rm
buffer_join_round_by_divide.hpp	4659	0644	edit dl rm
buffer_point_circle.hpp	4016	0644	edit dl rm
buffer_point_square.hpp	3654	0644	edit dl rm
buffer_side_straight.hpp	4587	0644	edit dl rm
centroid_average.hpp	2880	0644	edit dl rm
centroid_bashein_detmer.hpp	8541	0644	edit dl rm
centroid_weighted_length.hpp	4855	0644	edit dl rm
densify.hpp	3902	0644	edit dl rm
disjoint_box_box.hpp	2985	0644	edit dl rm
disjoint_segment_box.hpp	8965	0644	edit dl rm
distance_projected_point.hpp	9635	0644	edit dl rm
distance_projected_point_ax.hpp	9835	0644	edit dl rm
distance_pythagoras.hpp	7674	0644	edit dl rm
distance_pythagoras_box_box.hpp	8993	0644	edit dl rm
distance_pythagoras_point_box.hpp	9230	0644	edit dl rm
distance_segment_box.hpp	6893	0644	edit dl rm
envelope.hpp	4299	0644	edit dl rm
envelope_box.hpp	3479	0644	edit dl rm
envelope_multipoint.hpp	1442	0644	edit dl rm
envelope_point.hpp	2963	0644	edit dl rm
envelope_segment.hpp	2458	0644	edit dl rm
expand_box.hpp	1868	0644	edit dl rm
expand_point.hpp	3340	0644	edit dl rm
expand_segment.hpp	1900	0644	edit dl rm
index.hpp	6976	0644	edit dl rm
intersection.hpp	30855	0644	edit dl rm
io.hpp	1873	0644	edit dl rm
line_interpolate.hpp	3772	0644	edit dl rm
point_in_box.hpp	8761	0644	edit dl rm
point_in_point.hpp	3543	0644	edit dl rm
point_in_poly_crossings_multiply.hpp	3593	0644	edit dl rm
point_in_poly_franklin.hpp	3464	0644	edit dl rm
point_in_poly_winding.hpp	9889	0644	edit dl rm
point_order.hpp	1024	0644	edit dl rm
side_by_triangle.hpp	9669	0644	edit dl rm
turn_in_ring_winding.hpp	7463	0644	edit dl rm

Edit: /usr/include/boost/geometry/strategies/cartesian/buffer_end_flat.hpp (3757B)

// Boost.Geometry (aka GGL, Generic Geometry Library)

// This file was modified by Oracle on 2018.
// Modifications copyright (c) 2018, Oracle and/or its affiliates.

// Contributed and/or modified by Adam Wulkiewicz, 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)

#ifndef BOOST_GEOMETRY_STRATEGIES_CARTESIAN_BUFFER_END_FLAT_HPP
#define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_BUFFER_END_FLAT_HPP

#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/strategies/buffer.hpp>
#include <boost/geometry/strategies/tags.hpp>
#include <boost/geometry/strategies/side.hpp>
#include <boost/geometry/util/math.hpp>
#include <boost/geometry/util/select_most_precise.hpp>

namespace boost { namespace geometry
{

namespace strategy { namespace buffer
{

/*!
\brief Let the buffer create flat ends
\ingroup strategies
\details This strategy can be used as EndStrategy for the buffer algorithm.
    It creates a flat end for each linestring-end. It can be applied
    for (multi)linestrings. Also it is applicable for spikes in (multi)polygons.
    This strategy is only applicable for Cartesian coordinate systems.

\qbk{
[heading Example]
[buffer_end_flat]
[heading Output]
[$img/strategies/buffer_end_flat.png]
[heading See also]
\* [link geometry.reference.algorithms.buffer.buffer_7_with_strategies buffer (with strategies)]
\* [link geometry.reference.strategies.strategy_buffer_end_round end_round]
}
 */
class end_flat
{

public :

#ifndef DOXYGEN_SHOULD_SKIP_THIS
    //! Fills output_range with a flat end
    template <typename Point, typename RangeOut, typename DistanceStrategy>
    inline void apply(Point const& penultimate_point,
                Point const& perp_left_point,
                Point const& ultimate_point,
                Point const& perp_right_point,
                buffer_side_selector side,
                DistanceStrategy const& distance,
                RangeOut& range_out) const
    {
        typedef typename coordinate_type<Point>::type coordinate_type;

typedef typename geometry::select_most_precise
        <
            coordinate_type,
            double
        >::type promoted_type;

promoted_type const dist_left = distance.apply(penultimate_point, ultimate_point, buffer_side_left);
        promoted_type const dist_right = distance.apply(penultimate_point, ultimate_point, buffer_side_right);

bool reversed = (side == buffer_side_left && dist_right < 0 && -dist_right > dist_left)
                    || (side == buffer_side_right && dist_left < 0 && -dist_left > dist_right)
                    ;
        if (reversed)
        {
            range_out.push_back(perp_right_point);
            range_out.push_back(perp_left_point);
        }
        else
        {
            range_out.push_back(perp_left_point);
            range_out.push_back(perp_right_point);
        }
        // Don't add the ultimate_point (endpoint of the linestring).
        // The buffer might be generated completely at one side.
        // In other cases it does no harm but is further useless
    }

template <typename NumericType>
    static inline NumericType max_distance(NumericType const& distance)
    {
        return distance;
    }

//! Returns the piece_type (flat end)
    static inline piece_type get_piece_type()
    {
        return buffered_flat_end;
    }
#endif // DOXYGEN_SHOULD_SKIP_THIS
};

}} // namespace strategy::buffer

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_BUFFER_END_FLAT_HPP

cmd: