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Created November 19, 2018 05:15
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Animating a user interaction in mapbox-gl-js
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Animating a user highlight</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.51.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.51.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<div id='map'></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1Ijoic3RldmFnZSIsImEiOiJGcW03aExzIn0.QUkUmTGIO3gGt83HiRIjQw';
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/stevage/cjonudzz83h3z2rlewmb82lb0', // stylesheet location
center: [144.96, -37.82], // starting position [lng, lat]
zoom: 16 // starting zoom
});
map.on('load', () => {
map.addSource('highlight', {
type: 'geojson',
data: { type: 'FeatureCollection', features: [] }
});
map.on('click', 'poi-label', e => {
if (!e.features) return;
if (map.getLayer('highlight-point')) map.removeLayer('highlight-point');
map.addLayer({
id: 'highlight-point',
source: 'highlight',
type: 'circle',
paint: {
'circle-color': 'transparent',
'circle-stroke-color': 'green',
'circle-stroke-width': 3,
'circle-radius': 0
}
});
map.getSource('highlight').setData(e.features[0])
map.setPaintProperty('highlight-point', 'circle-radius', 20);
});
});
</script>
</body>
</html>
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