如何使用Python解析GeoJSON [英] How can I parse GeoJSON with Python

问题描述

我有一个查询的geojson数据，现在我想解析并在屏幕上打印.我当前的代码是:

I have have geojson data from a query which I now want to parse and print on screen. My current code is:

import urllib
import geojson

while True:

    url = 'https://earthquake.usgs.gov/fdsnws/event/1/query?format=geojson&starttime=2012-01-01&endtime=2017-03-01&minmagnitude=4.0&maxmagnitude=9.0&minlongitude=5.95&maxlongitude=10.50&minlatitude=45.81&maxlatitude=47.81'
    uh = urllib.urlopen(url)
    data = uh.read()
    print data
    break

看来data是一个简单的字符串.但是，我认为它可以像json参数一样进行解析.我如何处理geojson数据才能打印单个point，例如仅提取第一个点的坐标?

It seems that data is a simple string. However, I thought it could be parsed like a json parameter. How do I have to handle geojson data in order to print a single point, e.g. to extract the coordinates of the first point only?

推荐答案

您可以像读取任何json一样阅读它:

You can read it like any json:

import json
data = json.loads(datastring)
data['features'][0]['geometry'] #Your first point

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