Leaflet demo

For update marker position

HTML

<script src="http://cdn.leafletjs.com/leaflet-0.7.2/leaflet.js"></script>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.2/leaflet.css">
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.css">
<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.Default.css">
<script src="http://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/leaflet.markercluster.js"></script>
<div id="map"></div>
<div id="log"></div>

CSS

#map {
    height: 500px;
    width: 80%;
}

JavaScript

//An extract of address points from the LINZ bulk extract: http://www.linz.govt.nz/survey-titles/landonline-data/landonline-bde
//Should be this data set: http://data.linz.govt.nz/#/layer/779-nz-street-address-electoral/
var addressPoints = [
[-37.793167, 175.211862,"the one"],
[-37.8210922667, 175.2209316333, "2"],
[-37.8210819833, 175.2213903167, "3"],
[-37.8210881833, 175.2215004833, "3A"],
[-37.8211946833, 175.2213655333, "1"],
[-37.8209458667, 175.2214051333, "5"],
[-37.8208292333, 175.2214374833, "7"],
[-37.8325816, 175.2238798667, "537"],
[-37.8315855167, 175.2279767, "454"],
[-37.8096336833, 175.2223743833, "176"],
[-37.80970685, 175.2221815833, "178"],
[-37.8102146667, 175.2211562833, "190"],
[-37.8088037167, 175.2242227, "156"],
[-37.8112330167, 175.2193425667, "210"],
[-37.8116368667, 175.2193005167, "212"],
[-37.80812645, 175.2255449333, "146"],
[-37.8080231333, 175.2286383167, "125"],
[-37.8089538667, 175.2222222333, "174"],
[-37.8080905833, 175.2275400667, "129"],
[-37.808811, 175.2227592833, "172"],
[-37.80832975, 175.2276898167, "131"],
[-37.8089395333, 175.2281710333, "133"],
[-37.8093421, 175.2274883167, "135"],
[-37.8084820833, 175.22601925, "137"],
[-37.80881015, 175.22622865, "139"],
[-37.8090947667, 175.2263585667, "141"],
[-37.8092962333, 175.2244872333, "147"],
[-37.8091016667, 175.2249140167, "145"],
[-37.8088785167, 175.2253611667, "143"],
[-37.80825965, 175.22530115, "148"],
[-37.80995685, 175.2238554333, "153"],
[-37.80975435, 175.2238417833, "151"],
[-37.80950755, 175.2237912, "149"],
[-37.8092772667, 175.2231980833, "170"],
[-37.8082753833, 175.20672975, "4"],
[-37.8078434833, 175.211822, "56"],
[-37.8083775667, 175.2090812333, "30B"],
[-37.8084588, 175.2058838167, "174"],
[-37.8088788333, 175.2062702833, "175"],
[-37.8091632833, 175.20514875, "182A"],
[-37.8094891167, 175.20384695, "202"],
[-37.8156715667, 175.2034881667, "277"],
[-37.8109189333, 175.2024631, "220"],
[-37.8108164333, 175.2039622, "219"],
[-37.8125773667,...