pyufunc.gmns_read_link

pyufunc.gmns_read_link(link_file='', cpu_cores=-1, verbose=False)

Read link.csv file and return a dict of Links.

Parameters:

• link_file (str) – The link.csv file path. default is “”.

• cpu_cores (int, optional) – number of cpu cores for parallel processing. Defaults to -1.

• verbose (bool, optional) – print processing information. Defaults to False.

Raises:

• FileNotFoundError – File: {link_file} does not exist.

• ValueError – cpu_cores should be integer, but got {type(cpu_cores)}

Returns:

A dict of Links.

Return type:

dict

Examples

>>> from pyufunc import gmns_read_link
>>> link_dict = gmns_read_link(link_file = r"../dataset/ASU/link.csv")
>>> link_dict[1]
Link(id=1, name='A', from_node_id=1, to_node_id=2, length=0.0, lanes=1, dir_flag=1, free_speed=0.0,
capacity=0.0, link_type=1, link_type_name='motorway', geometry='LINESTRING (0 0, 1 1)')