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[test] Tests for small and large distances from point to segment

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This commit is contained in:
Vissarion Fysikopoulos 2017-09-12 16:45:31 +03:00
parent 3e97db55ab
commit 47e2f0b4e9
2 changed files with 27 additions and 23 deletions
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1
include/boost/geometry/formulas/distance_point_segment.hpp
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@ -107,6 +107,7 @@ public:
}
//segment on equator
//TODO: use the meridian distance when it'll be available
if (math::equals(lat1, 0) && math::equals(lat2, 0))
{
if (lon3 <= lon1)

49
test/algorithms/distance/distance_geo_pl_l.cpp
View File

@ -250,54 +250,57 @@ void test_distance_point_segment(Strategy_pp const& strategy_pp,
pp_distance("POINT(2.5 5)", "POINT(2 4)", strategy_pp),
strategy_ps);
//Nearly antipodal points not treated correctly in BG so far
/*
// very small distances to segment
tester::apply("p-s-07",
"POINT(90 1e-3)",
"SEGMENT(0.5 0,175.5 0)",
110.57427582147321,
//1e-3 * d2r * 6335439.3272858784,
//to_comparable(strategy, 1e-3 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-3)", strategy_pp),
strategy_ps);
tester::apply("p-s-08",
"POINT(90 1e-4)",
"SEGMENT(0.5 0,175.5 0)",
6176.4469462110519,
//1e-4 * d2r * 6335439.3272858784,
//1e-4 * d2r * strategy.radius(),
//to_comparable(strategy, 1e-4 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-4)", strategy_pp),
strategy_ps);
tester::apply("p-s-09",
"POINT(90 1e-5)",
"SEGMENT(0.5 0,175.5 0)",
4917.5121192812849,
//1e-5 * d2r * strategy.radius(),
//to_comparable(strategy, 1e-5 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-5)", strategy_pp),
strategy_ps);
tester::apply("p-s-10",
"POINT(90 1e-6)",
"SEGMENT(0.5 0,175.5 0)",
4997.0354014473833,
//1e-6 * d2r * strategy.radius(),
//to_comparable(strategy, 1e-6 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-6)", strategy_pp),
strategy_ps);
tester::apply("p-s-11",
"POINT(90 1e-7)",
"SEGMENT(0.5 0,175.5 0)",
109854.20732250962,
//1e-7 * d2r * strategy.radius(),
//to_comparable(strategy, 1e-7 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-7)", strategy_pp),
strategy_ps);
tester::apply("p-s-12",
"POINT(90 1e-8)",
"SEGMENT(0.5 0,175.5 0)",
1372504.9365672076,
//1e-8 * d2r * strategy.radius(),
//to_comparable(strategy, 1e-8 * d2r * strategy.radius()),
pp_distance("POINT(90 0)", "POINT(90 1e-8)", strategy_pp),
strategy_ps);
*/
// very large distance to segment
tester::apply("p-s-13",
"POINT(90 90)",
"SEGMENT(0.5 0,175.5 0)",
pp_distance("POINT(90 0)", "POINT(90 90)", strategy_pp),
strategy_ps);
tester::apply("p-s-14",
"POINT(90 90)",
"SEGMENT(0.5 -89,175.5 -89)",
pp_distance("POINT(90 -89)", "POINT(90 90)", strategy_pp),
strategy_ps);
// degenerate segment
tester::apply("p-s-14",
"POINT(90 90)",
"SEGMENT(0.5 -90,175.5 -90)",
pp_distance("POINT(90 -90)", "POINT(90 90)", strategy_pp),
strategy_ps);
}
//===========================================================================