forked from s_ranjbar/city_retrofit
25 lines
677 B
Python
25 lines
677 B
Python
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"""Linear referencing
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"""
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from shapely.topology import Delegating
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class LinearRefBase(Delegating):
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def _validate_line(self, ob):
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super(LinearRefBase, self)._validate(ob)
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if not ob.geom_type in ['LinearRing', 'LineString', 'MultiLineString']:
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raise TypeError("Only linear types support this operation")
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class ProjectOp(LinearRefBase):
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def __call__(self, this, other):
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self._validate_line(this)
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self._validate(other)
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return self.fn(this._geom, other._geom)
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class InterpolateOp(LinearRefBase):
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def __call__(self, this, distance):
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self._validate_line(this)
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return self.fn(this._geom, distance)
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