831.txt

[1] [CITE@en[Encoded Polyline Algorithm Format  |  Google Maps APIs  |  Google Developers]]
([TIME[2016-02-16 08:30:05 +09:00]] 版)
<https://developers.google.com/maps/documentation/utilities/polylinealgorithm>

[2] [CITE@en[mapbox/polyline: polyline encoding and decoding in javascript]]
([TIME[2016-04-20 15:07:00 +09:00]] 版)
<https://github.com/mapbox/polyline>

[3] [CITE@en[Google Maps JavaScript API V3 Reference  |  Google Maps JavaScript API  |  Google Developers]]
([TIME[2016-03-01 13:00:09 +09:00]] 版)
<https://developers.google.com/maps/documentation/javascript/reference?csw=1#spherical>

[4] [CITE@en[Interactive Polyline Encoder Utility  |  Google Maps APIs  |  Google Developers]]
([TIME[2016-02-16 08:30:08 +09:00]] 版)
<https://developers.google.com/maps/documentation/utilities/polylineutility>