def from_leaflet(lat1, lng1, lat2, lng2, cutoff, smoothing):
if request.method != "POST":
return ""
json_i = request.get_json(force=True)
if json_i is None:
return "Could not parse JSON", 500
proj = ComplexLogProjection(
LatLng(lat1, lng1),
LatLng(lat2, lng2),
math.radians(cutoff),
smoothing_function_type=parse_smoothing(smoothing))
elements = json_i['data']
ret_v = []
for e in elements:
x, y = tiling.from_leaflet_LatLng(LatLng(e['lat'], e['lng']))
xy = np.array([[x], [y]])
latlng_data = proj.invert(xy)
assert latlng_data.shape == (2, 1)
ret_element = {"lat": latlng_data[0, 0], "lng": latlng_data[1, 0]}
ret_v.append(ret_element)
response = app.response_class(response=json.dumps({"data": ret_v}),
status=200,
mimetype='application/json')
return response
def test_loop(self):
projection = ComplexLogProjection(LatLng(0, 0), LatLng(10, 10),
math.pi / 4)
# only small slice where no stitching was used
data = np.array([[1, 9], [1, 9]])
res = projection(data.copy())
returned = projection.invert(res.copy())
np.testing.assert_almost_equal(returned, data)
pass
def resolve(lat1, lng1, lat2, lng2, cutoff, smoothing, clickLat, clickLng):
proj = ComplexLogProjection(
LatLng(lat1, lng1),
LatLng(lat2, lng2),
math.radians(cutoff),
smoothing_function_type=parse_smoothing(smoothing))
x, y = tiling.from_leaflet_LatLng(LatLng(clickLat, clickLng))
xy = np.array([[x], [y]])
latlng_data = proj.invert(xy)
assert latlng_data.shape == (2, 1)
ret_data = {"lat": latlng_data[0, 0], "lng": latlng_data[1, 0]}
response = app.response_class(response=json.dumps(ret_data),
status=200,
mimetype='application/json')
response.headers.add('Access-Control-Allow-Origin', '*')
response.headers.add('Access-Control-Allow-Headers',
'Content-Type,Authorization')
response.headers.add('Access-Control-Allow-Methods',
'GET,PUT,POST,DELETE,OPTIONS')
return response