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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | // Unit Test | |
3 | ||
4 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
5 | // Use, modification and distribution is subject to the Boost Software License, | |
6 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | #ifndef BOOST_GEOMETRY_TEST_ENVELOPE_HPP | |
10 | #define BOOST_GEOMETRY_TEST_ENVELOPE_HPP | |
11 | ||
12 | ||
13 | #include <boost/variant/variant.hpp> | |
14 | ||
15 | #include <geometry_test_common.hpp> | |
16 | ||
17 | #include <boost/geometry/algorithms/envelope.hpp> | |
18 | #include <boost/geometry/geometries/box.hpp> | |
19 | #include <boost/geometry/strategies/strategies.hpp> | |
20 | ||
21 | #include <boost/geometry/io/wkt/read.hpp> | |
22 | ||
23 | ||
24 | template<typename Box, std::size_t DimensionCount> | |
25 | struct check_result | |
26 | {}; | |
27 | ||
28 | template <typename Box> | |
29 | struct check_result<Box, 2> | |
30 | { | |
31 | typedef typename bg::coordinate_type<Box>::type ctype; | |
32 | typedef typename boost::mpl::if_ | |
33 | < | |
34 | boost::is_arithmetic<ctype>, | |
35 | double, | |
36 | ctype | |
37 | >::type type; | |
38 | ||
39 | static void apply(Box const& b, const type& x1, const type& y1, const type& /*z1*/, | |
40 | const type& x2, const type& y2, const type& /*z2*/) | |
41 | { | |
42 | BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001); | |
43 | BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001); | |
44 | ||
45 | BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001); | |
46 | BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001); | |
47 | } | |
48 | }; | |
49 | ||
50 | template <typename Box> | |
51 | struct check_result<Box, 3> | |
52 | { | |
53 | typedef typename bg::coordinate_type<Box>::type ctype; | |
54 | typedef typename boost::mpl::if_ | |
55 | < | |
56 | boost::is_arithmetic<ctype>, | |
57 | double, | |
58 | ctype | |
59 | >::type type; | |
60 | ||
61 | static void apply(Box const& b, const type& x1, const type& y1, const type& z1, | |
62 | const type& x2, const type& y2, const type& z2) | |
63 | { | |
64 | BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 0>(b)), x1, 0.001); | |
65 | BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 1>(b)), y1, 0.001); | |
66 | BOOST_CHECK_CLOSE((bg::get<bg::min_corner, 2>(b)), z1, 0.001); | |
67 | ||
68 | BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 0>(b)), x2, 0.001); | |
69 | BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 1>(b)), y2, 0.001); | |
70 | BOOST_CHECK_CLOSE((bg::get<bg::max_corner, 2>(b)), z2, 0.001); | |
71 | } | |
72 | }; | |
73 | ||
74 | ||
75 | template <typename Geometry, typename T> | |
76 | void test_envelope(std::string const& wkt, | |
77 | const T& x1, const T& x2, | |
78 | const T& y1, const T& y2, | |
79 | const T& z1 = 0, const T& z2 = 0) | |
80 | { | |
81 | typedef bg::model::box<typename bg::point_type<Geometry>::type > box_type; | |
82 | box_type b; | |
83 | ||
84 | Geometry geometry; | |
85 | bg::read_wkt(wkt, geometry); | |
86 | bg::envelope(geometry, b); | |
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87 | check_result<box_type, bg::dimension<Geometry>::type::value> |
88 | ::apply(b, x1, y1, z1, x2, y2, z2); | |
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89 | |
90 | boost::variant<Geometry> v(geometry); | |
91 | bg::envelope(v, b); | |
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92 | check_result<box_type, bg::dimension<Geometry>::type::value> |
93 | ::apply(b, x1, y1, z1, x2, y2, z2); | |
94 | ||
7c673cae FG |
95 | } |
96 | ||
97 | ||
98 | #endif |