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Example search with JSON supplementary data
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Supplement forward geocoding search results from another data source</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.1/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.1/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v3.1.4/mapbox-gl-geocoder.min.js'></script>
<link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v3.1.4/mapbox-gl-geocoder.css' type='text/css' />
<div id='map'></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiYnJhbmlnYW4iLCJhIjoiY2puM2lucjMzMGdlejNwcWdsMmoxZnFwdCJ9.mmh4Bjo-y_43TnFolyb17Q';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v9',
center: [10.451, 51.165],
zoom: 5
});
var customData = {"p4":
{"type": "postal",
"level": 4,
"TilesetName": "mapbox.enterprise-boundaries-p4-v2",
"PolyLayerName": "boundaries_postal_4",
"PointLayerName": "points_postal_4",
"data":
{"all":
{
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"BGP41330":{"id_int":1869628941,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP313","z_min":6,"centroid":[23.2862,42.6943],"bounds":[23.2767,42.6874,23.298,42.7018]},
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"BGP41712":{"id_int":1763904866,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3804,42.6438],"bounds":[23.3729,42.6365,23.3873,42.6476]},
"BGP41715":{"id_int":754344327,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3761,42.6329],"bounds":[23.3684,42.6242,23.3858,42.6414]},
"BGP41729":{"id_int":420798332,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3824,42.6507],"bounds":[23.3767,42.6459,23.3882,42.655]},
"BGP41734":{"id_int":865751844,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.352,42.6365],"bounds":[23.3452,42.6298,23.3596,42.6432]},
"BGP41750":{"id_int":2000629935,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3731,42.663],"bounds":[23.3682,42.6581,23.3784,42.6678]},
"BGP41784":{"id_int":80857070,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3829,42.6615],"bounds":[23.365,42.6479,23.3905,42.675]},
"BGP41797":{"id_int":343517313,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3642,42.6627],"bounds":[23.3544,42.6562,23.3701,42.669]},
"BGP41799":{"id_int":1022362879,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP317","z_min":6,"centroid":[23.3692,42.6439],"bounds":[23.3621,42.6351,23.3769,42.6497]},
"BGP41836":{"id_int":725687125,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP318","z_min":6,"centroid":[23.384,42.7131],"bounds":[23.3721,42.7033,23.3954,42.7207]},
"BGP41870":{"id_int":1872633411,"worldview":"all","name":"София","name_ascii":"Sofiya","description":"4-digit postcode area","source_date":"2016","parent_0":"BG","parent_1":"BGP1BG","parent_2":"BGP2BG","parent_3":"BGP318","z_min":6,"centroid":[23.5231,42.7509],"bounds":[23.4565,42.7257,23.5621,42.7761]}
}
}
}
};
function forwardGeocoder(query) {
var matchingFeatures = [];
var postal4 = 'BGP4' + query;
if (customData.p4.data.all[postal4]) {
console.log(customData.p4.data.all[postal4]);
var bgResult = customData.p4.data.all[postal4];
// add a bulgaria flag emoji as a prefix for custom data results
// using carmen geojson format: https://github.com/mapbox/carmen/blob/master/carmen-geojson.md
bgResult['place_name'] = '🇧🇬 ' + postal4 + ' - ' + bgResult.name;
bgResult['center'] = bgResult.centroid;
bgResult['bbox'] = bgResult.bounds;
bgResult['place_type'] = ['place'];
matchingFeatures.push(bgResult);
}
return matchingFeatures;
}
map.addControl(new MapboxGeocoder({
accessToken: mapboxgl.accessToken,
localGeocoder: forwardGeocoder,
zoom: 14,
placeholder: "Enter search e.g. 1504 or 1612"
}));
</script>
</body>
</html>
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