Encoding polylines for Google Maps
by hobbes
& 1 other
(via)
If you want to display complicated path data on a Google Map, the most efficient way to do so is with an encoded polyline or polygon.
* Encoding form: Convert path data to the encoded format. Can generate code or a map.
* Point and click: A Google Map containing a point and click interface to the encoding algorithm.
* Decoder: Decode an encoded point string to obtain a sequence of lat/lng values.
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