python osmnx-仅提取一个国家的大型高速公路 [英] python osmnx - extract only big freeways of a country

问题描述

我知道可以通过OSMNX python软件包提取城市的道路网.在 https://geoffboeing.com/2016/11/osmnx-中查看详细信息python-street-networks/.

I know it is possible to extract the road network of a city via the OSMNX python package. See details at https://geoffboeing.com/2016/11/osmnx-python-street-networks/ .

paris_network = ox.gdf_from_place("Paris")

但是，比方说，我不希望这么高的细节水平，而只想要整个国家的大型高速公路.我正在寻找类似的东西:

But, let's say I do not want that level of high details, but rather only big freeways of a whole country. I'm looking for something like :

france_big_expressway_network = ox.gdf_from_place("France", road_type = "freeway")

我想它可能来自基础设施"论点，但是作为一个新手，我真的不知道如何精确地使用它.

I guess it might comes from the "infrastructure" argument but as a newbie I really do not get how to use it precisely.

推荐答案

是的，您可以使用OSMnx执行此操作:

Yes you can do this with OSMnx:

import osmnx as ox
ox.config(use_cache=True, log_console=True)
G = ox.graph_from_place('France', network_type='drive', infrastructure='way["highway"~"motorway"]')
fig, ax = ox.plot_graph(G)

如果您想按多种高速公路类型(例如，保留所有高速公路和主要高速公路)进行过滤，另请参见此答案.道路).

See also this answer if you'd like to filter by multiple highway types (e.g., retain all motorways AND primary roads).

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