322 lines
10 KiB
C++
322 lines
10 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2014-2018, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#include <iostream>
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#ifndef BOOST_TEST_MODULE
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#define BOOST_TEST_MODULE test_distance_cartesian_linear_linear
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#endif
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#include <boost/test/included/unit_test.hpp>
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#include "test_distance_common.hpp"
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typedef bg::model::point<double,2,bg::cs::cartesian> point_type;
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typedef bg::model::segment<point_type> segment_type;
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typedef bg::model::linestring<point_type> linestring_type;
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typedef bg::model::multi_linestring<linestring_type> multi_linestring_type;
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namespace services = bg::strategy::distance::services;
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typedef bg::default_distance_result<point_type>::type return_type;
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typedef bg::strategy::distance::projected_point<> point_segment_strategy;
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//===========================================================================
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template <typename Strategy>
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void test_distance_segment_segment(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "segment/segment distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries<segment_type, segment_type> tester;
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tester::apply("segment(0 0,10 0)",
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"segment(4 2,4 0.5)",
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return_type(0.5), return_type(0.25), strategy);
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tester::apply("segment(0 0,10 0)",
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"segment(4 2,4 -0.5)",
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return_type(0), return_type(0), strategy);
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tester::apply("segment(0 0,10 0)",
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"segment(4 2,0 0)",
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return_type(0), return_type(0), strategy);
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tester::apply("segment(0 0,10 0)",
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"segment(-2 3,1 2)",
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return_type(2), return_type(4), strategy);
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}
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//===========================================================================
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template <typename Strategy>
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void test_distance_segment_linestring(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "segment/linestring distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries<segment_type, linestring_type> tester;
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tester::apply("segment(-1 -1,-2 -2)",
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"linestring(2 1,1 2,4 0)",
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sqrt(12.5), 12.5, strategy);
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tester::apply("segment(1 1,2 2)",
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"linestring(2 1,1 2,4 0)",
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0, 0, strategy);
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tester::apply("segment(1 1,2 2)",
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"linestring(3 3,3 3)",
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sqrt(2.0), 2, strategy);
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tester::apply("segment(1 1,2 2)",
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"linestring(3 3)",
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sqrt(2.0), 2, strategy);
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}
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//===========================================================================
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template <typename Strategy>
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void test_distance_linestring_linestring(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "linestring/linestring distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries
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<
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linestring_type, linestring_type
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> tester;
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// It is not obvious that linestrings with only one point are valid
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tester::apply("linestring(1 1)", "linestring(2 1)",
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1, 1, strategy);
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tester::apply("linestring(1 1,3 1)", "linestring(2 1)",
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0, 0, strategy);
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tester::apply("linestring(1 1)", "linestring(0 0,-2 0,2 -2,2 0)",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(1 1,1 1)", "linestring(2 1,2 1)",
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1, 1, strategy);
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tester::apply("linestring(1 1,1 1,1 1)", "linestring(2 1,2 1,2 1,2 1)",
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1, 1, strategy);
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tester::apply("linestring(1 1,3 1)", "linestring(2 1,2 1)",
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0, 0, strategy);
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tester::apply("linestring(1 1,1 1)", "linestring(0 0,-2 0,2 -2,2 0)",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(1 1,3 1)", "linestring(2 1, 4 1)",
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0, 0, strategy);
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tester::apply("linestring(1 1,2 2,3 3)", "linestring(2 1,1 2,4 0)",
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0, 0, strategy);
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tester::apply("linestring(1 1,2 2,3 3)", "linestring(1 0,2 -1,4 0)",
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1, 1, strategy);
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tester::apply("linestring(1 1,2 2,3 3)",
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"linestring(1 -10,2 0,2.1 -10,4 0)",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(1 1,2 2,3 3)",
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"linestring(1 -10,2 1.9,2.1 -10,4 0)",
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sqrt(0.005), 0.005, strategy);
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tester::apply("linestring(1 1,1 2)", "linestring(0 0,-2 0,2 -2,2 0)",
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sqrt(2.0), 2, strategy);
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}
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//===========================================================================
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template <typename Strategy>
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void test_distance_segment_multilinestring(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "segment/multilinestring distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries
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<
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segment_type, multi_linestring_type
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> tester;
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tester::apply("segment(-1 -1,-2 -2)",
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"multilinestring((2 1,1 2),(4 0,4 10))",
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sqrt(12.5), 12.5, strategy);
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tester::apply("segment(1 1,2 2)",
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"multilinestring((2 1,1 2),(4 0,4 10))",
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0, 0, strategy);
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tester::apply("segment(1 1,2 2)",
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"multilinestring((2.5 0,4 0,5 0),(3 3,3 3))",
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sqrt(2.0), 2, strategy);
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tester::apply("segment(1 1,2 2)",
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"multilinestring((2.5 0),(3 3,3 3))",
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sqrt(2.0), 2, strategy);
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tester::apply("segment(1 1,2 2)",
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"multilinestring((2.5 0,4 0,5 0),(3 3))",
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sqrt(2.0), 2, strategy);
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}
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//===========================================================================
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template <typename Strategy>
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void test_distance_linestring_multilinestring(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "linestring/multilinestring distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries
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<
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linestring_type, multi_linestring_type
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> tester;
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tester::apply("linestring(1 1,2 2,3 3)",
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"multilinestring((2 1,1 2,4 0),(1 -10,2 1.9,2.1 -10,4 0))",
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0, 0, strategy);
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tester::apply("linestring(1 1,2 2,3 3)",
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"multilinestring((1 -10,2 0,2.1 -10,4 0),(1 -10,2 1.9,2.1 -10,4 0))",
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sqrt(0.005), 0.005, strategy);
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tester::apply("linestring(1 1,2 2)",
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"multilinestring((2.5 0,4 0,5 0),(3 3,3 3))",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(2 2)",
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"multilinestring((2.5 0,4 0,5 0),(3 3,3 3))",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(1 1,2 2)",
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"multilinestring((2.5 0,4 0,5 0),(3 3))",
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sqrt(2.0), 2, strategy);
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tester::apply("linestring(1 1,2 2,3 3,4 4,5 5,6 6,7 7,8 8,9 9)",
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"multilinestring((2.5 0,4 0,5 0),(10 10,10 10))",
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sqrt(2.0), 2, strategy);
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}
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//===========================================================================
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template <typename Strategy>
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void test_distance_multilinestring_multilinestring(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "multilinestring/multilinestring distance tests" << std::endl;
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#endif
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typedef test_distance_of_geometries
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<
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multi_linestring_type, multi_linestring_type
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> tester;
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tester::apply("multilinestring((0 0,0 1,1 1),(10 0,11 1,12 2))",
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"multilinestring((0.5 0.5,0.75 0.75),(11 0,11 7))",
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0, 0, strategy);
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tester::apply("multilinestring((0 0,0 1,1 1),(10 0,11 1,12 2))",
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"multilinestring((0.5 0.5,0.75 0.75),(11 0,11 0.9))",
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sqrt(0.005), 0.005, strategy);
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tester::apply("multilinestring((0 0,0 1,1 1),(10 0,11 1,12 2))",
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"multilinestring((0.5 0.5,0.75 0.75),(11.1 0,11.1 0.9))",
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sqrt(0.02), 0.02, strategy);
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tester::apply("multilinestring((0 0),(1 1))",
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"multilinestring((2 2),(3 3))",
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sqrt(2.0), 2, strategy);
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}
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//===========================================================================
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template <typename Point, typename Strategy>
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void test_more_empty_input_linear_linear(Strategy const& strategy)
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{
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << std::endl;
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std::cout << "testing on empty inputs... " << std::flush;
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#endif
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bg::model::linestring<Point> line_empty;
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bg::model::multi_linestring<bg::model::linestring<Point> > multiline_empty;
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bg::model::linestring<Point> line =
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from_wkt<bg::model::linestring<Point> >("linestring(0 0,1 1)");
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// 1st geometry is empty
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test_empty_input(line_empty, line, strategy);
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test_empty_input(multiline_empty, line, strategy);
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// 2nd geometry is empty
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test_empty_input(line, line_empty, strategy);
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test_empty_input(line, multiline_empty, strategy);
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// both geometries are empty
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test_empty_input(line_empty, line_empty, strategy);
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test_empty_input(line_empty, multiline_empty, strategy);
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test_empty_input(multiline_empty, multiline_empty, strategy);
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#ifdef BOOST_GEOMETRY_TEST_DEBUG
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std::cout << "done!" << std::endl;
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#endif
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}
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//===========================================================================
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BOOST_AUTO_TEST_CASE( test_all_segment_segment )
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{
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test_distance_segment_segment(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_segment_linestring )
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{
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test_distance_segment_linestring(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_linestring_linestring )
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{
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test_distance_linestring_linestring(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_segment_multilinestring )
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{
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test_distance_segment_multilinestring(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_linestring_multilinestring )
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{
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test_distance_linestring_multilinestring(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_multilinestring_multilinestring )
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{
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test_distance_multilinestring_multilinestring(point_segment_strategy());
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}
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BOOST_AUTO_TEST_CASE( test_all_empty_input_linear_linear )
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{
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test_more_empty_input_linear_linear<point_type>(point_segment_strategy());
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}
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