Created
April 14, 2016 21:49
Star
You must be signed in to star a gist
Get a static map from a viz.json using python
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import sys | |
import urllib | |
import urllib2 | |
import json | |
import requests | |
basemap = { | |
"type": "http", | |
"options": { | |
"urlTemplate": "http://{s}.basemaps.cartocdn.com/dark_nolabels/{z}/{x}/{y}.png" | |
, "subdomains": ["a", "b", "c"] | |
} | |
} | |
def getMapConfig(viz_json): | |
r = requests.get(viz_json) | |
layers = [] | |
layers.append(basemap) | |
assert r.status_code == 200 | |
data = r.json() | |
bounds = data['bounds'] | |
center = json.loads(data['center']) | |
zoom = data['zoom'] | |
for layer in data['layers']: | |
# print layer['type'] | |
if layer['type'] == 'layergroup': | |
# print layer | |
cur_data = None | |
checkedLayers = 0 | |
#f.write(","+str(len(layer['options']['layer_definition']['layers']))) | |
for la in layer['options']['layer_definition']['layers']: | |
if la['visible']==True: | |
layers.append({'type': 'mapnik', 'options': la['options']}) | |
# return layers | |
return layers, center, bounds, zoom | |
def getNamedMap(username, api_key, map_config): | |
config = { | |
"version": "1.3.0", | |
"layers": map_config | |
} | |
r = requests.get('https://'+username+'.cartodb.com/api/v1/map', | |
# data={api_key: api_key}, | |
headers={'content-type':'application/json'}, | |
params={'config': json.dumps(config)} | |
) | |
return r.json() | |
username='andrew' | |
vj = 'https://team.cartodb.com/u/andrew/api/v2/viz/21891d8a-faad-11e5-acf8-0e5db1731f59/viz.json' | |
mapconfig,center, bounds, zoom = getMapConfig(vj) | |
print bounds | |
# print mapconfig | |
namedmap = getNamedMap(username, '95fa7deac70fec6caf848871e1194870f4a3cdba', mapconfig) | |
print 'https://'+username+'.cartodb.com/api/v1/map/static/center/'+namedmap['layergroupid']+'/'+str(zoom)+'/'+str(center[0])+'/'+str(center[1])+'/800/500.png' |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment