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January 3, 2020 18:19
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An arcpy-based function for creating a point feature class of all Divvy bike share (https://divvybikes.com) stations from their current JSON data, for use within ArcMap/ArcGIS.
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import arcpy | |
import json | |
import os | |
import sys | |
if ((3, 0) <= sys.version_info <= (3, 9)): | |
from urllib.request import urlopen # Python 3 | |
elif ((2, 0) <= sys.version_info <= (2, 9)): | |
from urllib2 import urlopen # Python 2 | |
def create_divvy_points_from_json(out_fc): | |
''' Opens a URL containing Divvy station data in JSON format and uses the | |
"latitude" and "longitude" attributes to create a point shapefile/ | |
feature class. ''' | |
JSON_URL = 'https://gbfs.divvybikes.com/gbfs/en/station_information.json' | |
SR_WGS84 = arcpy.SpatialReference(4326) # lat-lon projection for Divvy coordinates | |
arcpy.CreateFeatureclass_management(os.path.dirname(out_fc), os.path.basename(out_fc), 'POINT', spatial_reference=SR_WGS84) | |
arcpy.AddField_management(out_fc, 'STATION_ID', 'LONG') | |
arcpy.AddField_management(out_fc, 'NAME', 'TEXT', field_length=140) | |
arcpy.AddField_management(out_fc, 'DOCKS', 'SHORT') | |
arcpy.AddField_management(out_fc, 'LATITUDE', 'DOUBLE') | |
arcpy.AddField_management(out_fc, 'LONGITUDE', 'DOUBLE') | |
with arcpy.da.InsertCursor(out_fc, ['SHAPE@XY', 'STATION_ID', 'NAME', 'DOCKS', 'LATITUDE', 'LONGITUDE']) as c: | |
json_file = urlopen(JSON_URL) | |
divvy_json = json.load(json_file) | |
for station in divvy_json['data']['stations']: | |
station_id = int(station['station_id']) | |
name = station['name'] | |
docks = station['capacity'] | |
latitude = station['lat'] | |
longitude = station['lon'] | |
xy = (longitude, latitude) | |
row = [xy, station_id, name, docks, latitude, longitude] | |
c.insertRow(row) | |
json_file.close() | |
return out_fc | |
divvy_stations_fc = create_divvy_points_from_json(r'C:\Users\npeterson\Documents\ArcGIS\Default.gdb\divvy_stations') |
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