projects / ceph.git / blame
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1 | // Boost.Geometry |
| 2 | // Unit Test Helper | |
| 3 | ||
| 4 | // Copyright (c) 2018-2019 Barend Gehrels, Amsterdam, the Netherlands. | |
| 5 | ||
| 1e59de90 TL |
6 | // This file was modified by Oracle on 2020-2022. |
| 7 | // Modifications copyright (c) 2020-2022 Oracle and/or its affiliates. | |
| 8 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
| 9 | ||
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10 | // Use, modification and distribution is subject to the Boost Software License, |
| 11 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 12 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 13 | ||
| 14 | ||
| 15 | #ifndef BOOST_GEOMETRY_TEST_BUFFER_GEO_HPP | |
| 16 | #define BOOST_GEOMETRY_TEST_BUFFER_GEO_HPP | |
| 17 | ||
| 18 | #include "test_buffer.hpp" | |
| 19 | ||
| 20 | template | |
| 21 | < | |
| 22 | typename Geometry, | |
| 23 | typename GeometryOut, | |
| 24 | typename JoinStrategy, | |
| 25 | typename EndStrategy | |
| 26 | > | |
| 27 | void test_one_geo(std::string const& caseid, | |
| 28 | std::string const& wkt, | |
| 29 | JoinStrategy const& join_strategy, EndStrategy const& end_strategy, | |
| 30 | int expected_count, int expected_holes_count, double expected_area, | |
| 31 | double distance_left, ut_settings settings = ut_settings(), | |
| 32 | double distance_right = same_distance) | |
| 33 | { | |
| 34 | Geometry input_geometry; | |
| 35 | bg::read_wkt(wkt, input_geometry); | |
| 36 | bg::correct(input_geometry); | |
| 37 | ||
| 38 | bg::strategy::buffer::side_straight side_strategy; | |
| 39 | bg::strategy::buffer::distance_asymmetric | |
| 40 | < | |
| 41 | typename bg::coordinate_type<Geometry>::type | |
| 42 | > distance_strategy(distance_left, | |
| 43 | bg::math::equals(distance_right, same_distance) | |
| 44 | ? distance_left : distance_right); | |
| 45 | ||
| 46 | // Use the appropriate strategy for geographic points | |
| 47 | bg::strategy::buffer::geographic_point_circle<> circle_strategy(settings.points_per_circle); | |
| 48 | ||
| 49 | // Use Thomas strategy to calculate geographic area, because it is | |
| 50 | // the most precise (unless scale of buffer is only around 1 meter) | |
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51 | // TODO: If area is for calculation of the orientation of points in a ring |
| 52 | // and accuracy is an issue, then instead calculate_point_order should | |
| 53 | // probably be used instead of area. | |
| 54 | bg::strategies::buffer::geographic | |
| 55 | < | |
| 56 | bg::strategy::thomas, bg::srs::spheroid<long double>, long double | |
| 57 | > strategy; | |
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58 | |
| 59 | bg::model::multi_polygon<GeometryOut> buffer; | |
| 60 | ||
| 61 | test_buffer<GeometryOut> | |
| 62 | (caseid, buffer, input_geometry, | |
| 63 | join_strategy, end_strategy, | |
| 64 | distance_strategy, side_strategy, circle_strategy, | |
| 1e59de90 | 65 | strategy, |
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66 | expected_count, expected_holes_count, expected_area, |
| 67 | settings); | |
| 68 | } | |
| 69 | ||
| 70 | template | |
| 71 | < | |
| 72 | typename Geometry, | |
| 73 | typename GeometryOut, | |
| 74 | typename JoinStrategy, | |
| 75 | typename EndStrategy | |
| 76 | > | |
| 77 | void test_one_geo(std::string const& caseid, std::string const& wkt, | |
| 78 | JoinStrategy const& join_strategy, EndStrategy const& end_strategy, | |
| 79 | double expected_area, | |
| 80 | double distance_left, ut_settings const& settings = ut_settings(), | |
| 81 | double distance_right = same_distance) | |
| 82 | { | |
| 83 | test_one_geo<Geometry, GeometryOut>(caseid, wkt, join_strategy, end_strategy, | |
| 84 | -1 ,-1, expected_area, | |
| 85 | distance_left, settings, distance_right); | |
| 86 | } | |
| 87 | ||
| 88 | ||
| 89 | #endif |