def return_a_to_b(**kwargs):
"""
Return JSON data giving a distance between two points
"""
request = dict([(i,calc.parse_latlon(j)) for (i,j) in kwargs.items()])
distance = calc.haversine(request['a'][1], request['a'][0], request['b'][1], request['b'][0])
return flask.json.jsonify(request = request, distance = distance)
def return_data(**kwargs):
"""
Return JSON data based on bounding box
"""
request = dict([(i,calc.parse_latlon(j)) for (i,j) in kwargs.items()])
api_url = "https://benjaminbenben.cloudant.com/floodnet/_design/oxflood/_view/full"
params = {
'descending': 'true',
'limit': '1',
}
s = requests.Session()
#s.mount('http://', CachingHTTPAdapter())
#s.mount('https://', CachingHTTPAdapter())
# Test data?
if flask.request.args.get('test'):
import json, os
raw_data = json.load(open(os.path.dirname(__file__) + "/test_data/example.json"))
else:
raw_data = s.get(api_url, params = params).json()
# Map data into format suitable for heat maps
data = [_parse_result(r)
# Test data needs filtering by tags
for r in raw_data["rows"] ]
return flask.json.jsonify(request = request, data = data)
def return_test_data(**kwargs):
"""
Return example JSON data based on bounding box
"""
request = dict([(i,calc.parse_latlon(j)) for (i,j) in kwargs.items()])
test_data = (
{'lat': 51.7761, 'lon': -1.264, 'value': 1.0},
{'lat': 51.7763, 'lon': -1.263, 'value': 0.7},
{'lat': 51.7765, 'lon': -1.265, 'value': 1.2},
)
return flask.json.jsonify(request = request, data = test_data)
def return_parsed_request(**kwargs):
"""
Parse a bounding box URL similar to the /data call
"""
request = dict([(i,calc.parse_latlon(j)) for (i,j) in kwargs.items()])
return flask.json.jsonify(request = request)