def is_ring(data):
if "Polygon" in geom_type(data):
warnings.warn(
"is_ring currently returns True for Polygons, which is not correct. "
"This will be corrected to False in a future release.",
FutureWarning,
stacklevel=3,
)
if compat.USE_PYGEOS:
return pygeos.is_ring(data) | pygeos.is_ring(
pygeos.get_exterior_ring(data))
# for polygons operates on the exterior, so can't use _unary_op()
results = []
for geom in data:
if geom is None or geom.type not in [
"Polygon",
"LineString",
"LinearRing",
]:
results.append(False)
elif geom.type == "Polygon":
results.append(geom.exterior.is_ring)
else:
results.append(geom.is_ring)
return np.array(results, dtype=bool)
def is_ring(data):
if compat.USE_PYGEOS:
return pygeos.is_ring(pygeos.get_exterior_ring(data))
else:
# operates on the exterior, so can't use _unary_op()
# XXX needed to change this because there is now a geometry collection
# in the shapely ones that was something else before?
return np.array(
[
geom.exterior.is_ring if geom is not None and hasattr(
geom, "exterior") and geom.exterior is not None else False
for geom in data
],
dtype=bool,
)