26 lines
626 B
Python
26 lines
626 B
Python
"""
|
|
Support for GEOS spatial predicates
|
|
"""
|
|
|
|
from shapely.geos import PredicateError
|
|
from shapely.topology import Delegating
|
|
|
|
|
|
class BinaryPredicate(Delegating):
|
|
|
|
def __call__(self, this, other, *args):
|
|
self._validate(this)
|
|
self._validate(other, stop_prepared=True)
|
|
try:
|
|
return self.fn(this._geom, other._geom, *args)
|
|
except PredicateError as err:
|
|
# Dig deeper into causes of errors.
|
|
self._check_topology(err, this, other)
|
|
|
|
|
|
class UnaryPredicate(Delegating):
|
|
|
|
def __call__(self, this):
|
|
self._validate(this)
|
|
return self.fn(this._geom)
|