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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2014-2015, Oracle and/or its affiliates. | |
4 | ||
5 | // Licensed under the Boost Software License version 1.0. | |
6 | // http://www.boost.org/users/license.html | |
7 | ||
8 | // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle | |
9 | ||
10 | #ifndef BOOST_GEOMETRY_TEST_DIFFERENCE_LINEAR_LINEAR_HPP | |
11 | #define BOOST_GEOMETRY_TEST_DIFFERENCE_LINEAR_LINEAR_HPP | |
12 | ||
13 | #include <limits> | |
14 | ||
15 | #include <boost/geometry/geometry.hpp> | |
16 | #include "../test_set_ops_linear_linear.hpp" | |
17 | #include "../check_turn_less.hpp" | |
18 | #include <from_wkt.hpp> | |
19 | #include <to_svg.hpp> | |
20 | ||
21 | ||
22 | //================================================================== | |
23 | //================================================================== | |
24 | // difference of (linear) geometries | |
25 | //================================================================== | |
26 | //================================================================== | |
27 | ||
28 | template | |
29 | < | |
30 | typename Geometry1, typename Geometry2, | |
31 | typename MultiLineString | |
32 | > | |
33 | class test_difference_of_geometries | |
34 | { | |
35 | private: | |
36 | static inline void base_test(Geometry1 const& geometry1, | |
37 | Geometry2 const& geometry2, | |
38 | MultiLineString const& mls_diff, | |
39 | std::string const& case_id, | |
40 | double tolerance, | |
41 | bool test_vector_and_deque = true, | |
42 | bool reverse_output_for_checking = false) | |
43 | { | |
44 | static bool vector_deque_already_tested = false; | |
45 | ||
46 | typedef typename boost::range_value<MultiLineString>::type LineString; | |
47 | typedef std::vector<LineString> linestring_vector; | |
48 | typedef std::deque<LineString> linestring_deque; | |
49 | ||
50 | MultiLineString mls_output; | |
51 | ||
52 | linestring_vector ls_vector_output; | |
53 | linestring_deque ls_deque_output; | |
54 | ||
55 | bg::difference(geometry1, geometry2, mls_output); | |
56 | ||
57 | if ( reverse_output_for_checking ) | |
58 | { | |
59 | bg::reverse(mls_output); | |
60 | } | |
61 | ||
62 | BOOST_CHECK_MESSAGE( equals::apply(mls_diff, mls_output, tolerance), | |
63 | "case id: " << case_id | |
64 | << ", difference L/L: " << bg::wkt(geometry1) | |
65 | << " " << bg::wkt(geometry2) | |
66 | << " -> Expected: " << bg::wkt(mls_diff) | |
67 | << std::setprecision(20) | |
68 | << " computed: " << bg::wkt(mls_output) ); | |
69 | ||
70 | set_operation_output("difference", case_id, | |
71 | geometry1, geometry2, mls_output); | |
72 | ||
73 | if ( !vector_deque_already_tested && test_vector_and_deque ) | |
74 | { | |
75 | vector_deque_already_tested = true; | |
76 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
77 | std::cout << std::endl; | |
78 | std::cout << "Testing with vector and deque as output container..." | |
79 | << std::endl; | |
80 | #endif | |
81 | bg::difference(geometry1, geometry2, ls_vector_output); | |
82 | bg::difference(geometry1, geometry2, ls_deque_output); | |
83 | ||
84 | BOOST_CHECK(multilinestring_equals | |
85 | < | |
86 | false | |
87 | >::apply(mls_diff, ls_vector_output, tolerance)); | |
88 | ||
89 | BOOST_CHECK(multilinestring_equals | |
90 | < | |
91 | false | |
92 | >::apply(mls_diff, ls_deque_output, tolerance)); | |
93 | ||
94 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
95 | std::cout << "Done!" << std::endl << std::endl; | |
96 | #endif | |
97 | } | |
98 | ||
99 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
100 | std::cout << "Geometry #1: " << bg::wkt(geometry1) << std::endl; | |
101 | std::cout << "Geometry #2: " << bg::wkt(geometry2) << std::endl; | |
102 | std::cout << "difference : " << bg::wkt(mls_output) << std::endl; | |
103 | std::cout << "expected difference : " << bg::wkt(mls_diff) << std::endl; | |
104 | std::cout << std::endl; | |
105 | std::cout << "************************************" << std::endl; | |
106 | std::cout << std::endl; | |
107 | std::cout << std::endl; | |
108 | #endif | |
109 | ||
110 | check_turn_less::apply(geometry1, geometry2); | |
111 | } | |
112 | ||
113 | ||
114 | public: | |
115 | static inline void apply(Geometry1 const& geometry1, | |
116 | Geometry2 const& geometry2, | |
117 | MultiLineString const& mls_diff, | |
118 | std::string const& case_id, | |
119 | double tolerance | |
120 | = std::numeric_limits<double>::epsilon()) | |
121 | { | |
122 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
123 | std::cout << "test case: " << case_id << std::endl; | |
124 | std::stringstream sstr; | |
125 | sstr << "svgs/" << case_id << ".svg"; | |
126 | #ifdef TEST_WITH_SVG | |
127 | to_svg(geometry1, geometry2, sstr.str()); | |
128 | #endif | |
129 | #endif | |
130 | ||
131 | Geometry1 rg1(geometry1); | |
132 | bg::reverse<Geometry1>(rg1); | |
133 | ||
134 | Geometry2 rg2(geometry2); | |
135 | bg::reverse<Geometry2>(rg2); | |
136 | ||
137 | test_get_turns_ll_invariance<>::apply(geometry1, geometry2); | |
138 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
139 | std::cout << std::endl | |
140 | << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%" | |
141 | << std::endl << std::endl; | |
142 | #endif | |
143 | test_get_turns_ll_invariance<>::apply(rg1, geometry2); | |
144 | ||
145 | base_test(geometry1, geometry2, mls_diff, case_id, tolerance); | |
146 | base_test(geometry1, rg2, mls_diff, case_id, tolerance, false); | |
147 | base_test(rg1, geometry2, mls_diff, case_id, tolerance, false, true); | |
148 | base_test(rg1, rg2, mls_diff, case_id, tolerance, false, true); | |
149 | ||
150 | #ifdef BOOST_GEOMETRY_TEST_DEBUG | |
151 | std::cout << std::endl; | |
152 | std::cout << std::endl; | |
153 | #endif | |
154 | } | |
155 | }; | |
156 | ||
157 | ||
158 | #endif // BOOST_GEOMETRY_TEST_DIFFERENCE_LINEAR_LINEAR_HPP |