def test_split(self):
to_test = [
self.fixture_polygon_with_hole,
MultiPolygon(
[self.fixture_polygon_with_hole,
box(200, 100, 300, 400)])
]
desired_counts = {0: 4, 1: 5}
for ctr, t in enumerate(to_test):
ge = GeometrySplitter(t)
split = ge.split()
self.assertEqual(len(split), desired_counts[ctr])
self.assertEqual(split.area, t.area)
actual_bounds = [g.bounds for g in split]
actual_areas = [g.area for g in split]
desired_bounds = [(2.0, 10.0, 3.0, 13.0), (3.0, 10.0, 4.0, 13.0),
(3.0, 13.0, 4.0, 20.0), (2.0, 13.0, 3.0, 20.0)]
desired_areas = [1.75, 1.75, 5.75, 5.75]
if ctr == 1:
desired_bounds.append((200.0, 100.0, 300.0, 400.0))
desired_areas.append(30000.0)
self.assertEqual(actual_bounds, desired_bounds)
self.assertEqual(actual_areas, desired_areas)
def test_split(self):
to_test = [self.fixture_polygon_with_hole,
MultiPolygon([self.fixture_polygon_with_hole, box(200, 100, 300, 400)])]
desired_counts = {0: 4, 1: 5}
for ctr, t in enumerate(to_test):
ge = GeometrySplitter(t)
split = ge.split()
self.assertEqual(len(split), desired_counts[ctr])
self.assertEqual(split.area, t.area)
actual_bounds = [g.bounds for g in split]
actual_areas = [g.area for g in split]
desired_bounds = [(2.0, 10.0, 3.0, 13.0), (3.0, 10.0, 4.0, 13.0),
(3.0, 13.0, 4.0, 20.0), (2.0, 13.0, 3.0, 20.0)]
desired_areas = [1.75, 1.75, 5.75, 5.75]
if ctr == 1:
desired_bounds.append((200.0, 100.0, 300.0, 400.0))
desired_areas.append(30000.0)
self.assertEqual(actual_bounds, desired_bounds)
self.assertEqual(actual_areas, desired_areas)
def test_init(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
self.assertIsInstance(ge.geometry, Polygon)
# Test a geometry with no holes.
with self.assertRaises(NoInteriorsError):
GeometrySplitter(box(1, 2, 3, 4))
def test_create_split_polygons(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
spolygons = ge.create_split_polygons(list(ge.iter_interiors())[0])
self.assertEqual(len(spolygons), 4)
actual = [sp.bounds for sp in spolygons]
desired = [(1.999999, 9.999999, 3.0, 13.0), (3.0, 9.999999, 4.000001, 13.0),
(3.0, 13.0, 4.000001, 20.000001), (1.999999, 13.0, 3.0, 20.000001)]
self.assertEqual(actual, desired)
def test_create_split_vector_dict(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
desired = [{
'rows': (9.999999, 13.0, 20.000001),
'cols': (1.999999, 3.0, 4.000001)
}]
actual = list(
[ge.create_split_vector_dict(i) for i in ge.iter_interiors()])
self.assertEqual(actual, desired)
def test_create_split_polygons(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
spolygons = ge.create_split_polygons(list(ge.iter_interiors())[0])
self.assertEqual(len(spolygons), 4)
actual = [sp.bounds for sp in spolygons]
desired = [(1.999999, 9.999999, 3.0, 13.0),
(3.0, 9.999999, 4.000001, 13.0),
(3.0, 13.0, 4.000001, 20.000001),
(1.999999, 13.0, 3.0, 20.000001)]
self.assertEqual(actual, desired)
def test_convert_to_geometry_coordinates_polygon_interior(self):
ph = self.fixture_polygon_with_hole
gvar = GeometryVariable.from_shapely(ph)
desired_count = len(GeometrySplitter(ph).split())
keywords = dict(split_interiors=[True, False])
for k in self.iter_product_keywords(keywords):
try:
gc = gvar.convert_to(split_interiors=k.split_interiors)
except ValueError:
self.assertFalse(k.split_interiors)
continue
actual_count = gc.cindex.get_value()[0]
actual_count = np.sum(
actual_count == OcgisConvention.Value.MULTI_BREAK_VALUE) + 1
self.assertEqual(actual_count, desired_count)
def test_iter_interiors(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
actual = list([g.bounds for g in ge.iter_interiors()])
self.assertEqual(actual, [(2.5, 10.5, 3.5, 15.5)])
def test_create_split_vector_dict(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
desired = [{'rows': (9.999999, 13.0, 20.000001), 'cols': (1.999999, 3.0, 4.000001)}]
actual = list([ge.create_split_vector_dict(i) for i in ge.iter_interiors()])
self.assertEqual(actual, desired)
def test_iter_interiors(self):
ge = GeometrySplitter(self.fixture_polygon_with_hole)
actual = list([g.bounds for g in ge.iter_interiors()])
self.assertEqual(actual, [(2.5, 10.5, 3.5, 15.5)])
