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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
parent 4af19165ec
commit 68073add76
12458 changed files with 12350765 additions and 2 deletions
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libs/geometry/geometry_tests/area_on_earth_tests.cpp Normal file
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#include "testing/testing.hpp"
#include "geometry/area_on_earth.hpp"
#include "geometry/distance_on_sphere.hpp"
#include "geometry/mercator.hpp"
#include "base/math.hpp"
#include <iostream>
UNIT_TEST(AreaOnEarth_Circle)
{
double const kEarthSurfaceArea = 4.0 * math::pi * ms::kEarthRadiusMeters * ms::kEarthRadiusMeters;
TEST_ALMOST_EQUAL_ABS(ms::CircleAreaOnEarth(math::pi * ms::kEarthRadiusMeters), kEarthSurfaceArea, 1e-1, ());
TEST_ALMOST_EQUAL_ABS(ms::CircleAreaOnEarth(2.0 /* radiusMeters */), math::pi * 2.0 * 2.0, 1e-2, ());
TEST_ALMOST_EQUAL_ABS(ms::CircleAreaOnEarth(2000.0 /* radiusMeters */), math::pi * 2000.0 * 2000.0, 1.0, ());
}
UNIT_TEST(AreaOnEarth_ThreePoints)
{
double const kEarthSurfaceArea = 4.0 * math::pi * ms::kEarthRadiusMeters * ms::kEarthRadiusMeters;
TEST_ALMOST_EQUAL_ABS(ms::AreaOnEarth({90.0, 0.0}, {0.0, 0.0}, {0.0, 90.0}), kEarthSurfaceArea / 8.0, 1e-1, ());
TEST_ALMOST_EQUAL_ABS(ms::AreaOnEarth({90.0, 0.0}, {0.0, 90.0}, {0.0, -90.0}), kEarthSurfaceArea / 4.0, 1e-1, ());
}