def __init__(self, points):
points = utils.clean_points(points)
if not len(points) >= 3:
raise ValueError('polygon must have at least 3 unique vertices')
self.lons = numpy.array([float(point.longitude) for point in points])
self.lats = numpy.array([float(point.latitude) for point in points])
if utils.line_intersects_itself(self.lons, self.lats,
closed_shape=True):
raise ValueError('polygon perimeter intersects itself')
self._bbox = None
self._projection = None
self._polygon2d = None
def __init__(self, points):
points = utils.clean_points(points)
if not len(points) >= 3:
raise ValueError('polygon must have at least 3 unique vertices')
self.lons = numpy.array([float(point.longitude) for point in points])
self.lats = numpy.array([float(point.latitude) for point in points])
if utils.line_intersects_itself(self.lons,
self.lats,
closed_shape=True):
raise ValueError('polygon perimeter intersects itself')
self._bbox = None
self._projection = None
self._polygon2d = None
def test_close_duplicates(self):
a, b, c = geo.Point(1e-4, 1e-4), geo.Point(0, 0), geo.Point(1e-6, 1e-6)
self.assertEqual(utils.clean_points([a, b, c]), [a, b])
def test_exact_duplicates(self):
a, b, c = geo.Point(1, 2, 3), geo.Point(3, 4, 5), geo.Point(5, 6, 7)
self.assertEqual(utils.clean_points([a, a, a, b, a, c, c]),
[a, b, a, c])
def test_close_duplicates(self):
a, b, c = geo.Point(1e-4, 1e-4), geo.Point(0, 0), geo.Point(1e-6, 1e-6)
self.assertEqual(utils.clean_points([a, b, c]), [a, b])
def test_exact_duplicates(self):
a, b, c = geo.Point(1, 2, 3), geo.Point(3, 4, 5), geo.Point(5, 6, 7)
self.assertEqual(utils.clean_points([a, a, a, b, a, c, c]),
[a, b, a, c])
def __init__(self, points):
self.points = utils.clean_points(points)
if len(self.points) < 1:
raise ValueError("One point needed to create a line!")
