/usr/lib/python3/dist-packages/shapely/linref.py is in python3-shapely 1.6.4-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | """Linear referencing
"""
from shapely.topology import Delegating
class LinearRefBase(Delegating):
def _validate_line(self, ob):
super(LinearRefBase, self)._validate(ob)
if not ob.geom_type in ['LinearRing', 'LineString', 'MultiLineString']:
raise TypeError("Only linear types support this operation")
class ProjectOp(LinearRefBase):
def __call__(self, this, other):
self._validate_line(this)
self._validate(other)
return self.fn(this._geom, other._geom)
class InterpolateOp(LinearRefBase):
def __call__(self, this, distance):
self._validate_line(this)
return self.fn(this._geom, distance)
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