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malwoodsantoro/index.html

Last active March 4, 2022 05:26
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Pulsing circle layer
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title></title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/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.eyJ1IjoibWFsLXdvb2QiLCJhIjoiY2oyZ2t2em50MDAyMzJ3cnltMDFhb2NzdiJ9.X-D4Wvo5E5QxeP7K_I3O8w';
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/mapbox/streets-v9', //stylesheet location
center: [-74.50, 40], // starting position
zoom: 9 // starting zoom
});
map.on('load', function () {
map.addLayer({
'id': 'circle-one',
'type': 'circle',
'source': {
'type': 'geojson',
'data': {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
-74.50, 40
]
}
}
]
}
},
'layout': {},
'paint': {
'circle-radius': 20,
'circle-color': '#ffb91d'
}
});
map.addLayer({
'id': 'circle-two',
'type': 'circle',
'source': {
'type': 'geojson',
'data': {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
-74.50, 40
]
}
}
]
}
},
'layout': {},
'paint': {
'circle-opacity': 0,
'circle-radius': 50,
'circle-stroke-width': 5,
'circle-stroke-color': '#ffb91d'
}
});
setInterval(function(){
map.setPaintProperty('circle-one', 'circle-radius', 25);
map.setPaintProperty('circle-two', 'circle-radius', 100);
setTimeout(function(){
map.setPaintProperty('circle-one', 'circle-radius', 20);
map.setPaintProperty('circle-two', 'circle-radius', 50); }, 100);
}, 500);
});
</script>
</body>
</html>
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