def test_choose_osm_zoom_with_w_h_in_config(self):
# Arrange
config = hm.Configuration(use_defaults=True)
config.width = 400
config.height = 200
config.extent_in = hm.Extent(coords=(hm.LatLon(-10, -10),
hm.LatLon(10, 10)))
padding = 2
# Act
zoom = hm.choose_osm_zoom(config, padding)
# Assert
self.assertEqual(zoom, 3)
def _assert_mapping(self, latlon_given, xy_given, projection):
latlon_given = hm.LatLon(*latlon_given)
xy_given = hm.Coordinate(*xy_given)
xy_actual = projection.project(latlon_given)
self.assertTrue(isinstance(xy_actual, hm.Coordinate))
self.assertAlmostEqual(xy_given.x, xy_actual.x)
self.assertAlmostEqual(xy_given.y, xy_actual.y)
latlon_actual = projection.inverse_project(xy_given)
self.assertTrue(isinstance(latlon_actual, hm.LatLon))
self.assertAlmostEqual(latlon_given.lat, latlon_actual.lat)
self.assertAlmostEqual(latlon_given.lon, latlon_actual.lon)
def test_latlon(self):
'''Test LatLon class.'''
coord = hm.LatLon(37, -122)
self.assertEqual(coord.lat, 37)
self.assertEqual(coord.lon, -122)
self.assertEqual(coord.y, 37)
self.assertEqual(coord.x, -122)
self.assertEqual(coord, coord.copy())
# test order
self.assertEqual(coord.first, coord.lat)
self.assertEqual(coord.second, coord.lon)
# test updates
coord.lat = 25
self.assertEqual(coord.lat, 25)
self.assertEqual(coord.y, 25)
coord.y = 10
self.assertEqual(coord.lat, 10)
self.assertEqual(coord.y, 10)
def shapes_generator(count):
for i in range(count):
a = random.gauss(10, 1.0)
b = random.gauss(10, 2.0)
yield hm.Point(hm.LatLon(a, b), )
