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"""Load/dump geometries using the well-known text (WKT) format.
Also provides pickle-like convenience functions.
"""
import shapely
def loads(data):
"""Load a geometry from a WKT string.
Parameters
----------
data : str
A WKT string
Returns
-------
Shapely geometry object
"""
return shapely.from_wkt(data)
def load(fp):
"""Load a geometry from an open file.
Parameters
----------
fp :
A file-like object which implements a `read` method.
Returns
-------
Shapely geometry object
"""
data = fp.read()
return loads(data)
def dumps(ob, trim=False, rounding_precision=-1, **kw):
"""Dump a WKT representation of a geometry to a string.
Parameters
----------
ob :
A geometry object of any type to be dumped to WKT.
trim : bool, default False
Remove excess decimals from the WKT.
rounding_precision : int, default -1
Round output to the specified number of digits.
Default behavior returns full precision.
**kw : kwargs, optional
Keyword output options passed to :func:`~shapely.to_wkt`.
Returns
-------
input geometry as WKT string
"""
return shapely.to_wkt(ob, trim=trim, rounding_precision=rounding_precision, **kw)
def dump(ob, fp, **settings):
"""Dump a geometry to an open file.
Parameters
----------
ob :
A geometry object of any type to be dumped to WKT.
fp :
A file-like object which implements a `write` method.
**settings : kwargs, optional
Keyword output options passed to :func:`~shapely.wkt.dumps`.
Returns
-------
None
"""
fp.write(dumps(ob, **settings))
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