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分类.html
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分类.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>分类</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.46.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.46.0/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.eyJ1IjoieWFuY29uZ3dlbiIsImEiOiJjaml4eWgxMnowNHY0M3BvMW96cDI1bWJ6In0.QA-bmCCquo-mziBfZ8KOIQ';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v9',
zoom: 12,
center: [-122.447303, 37.753574]
});
map.on('load', function () {
map.addLayer({
'id': 'population',
'type': 'circle',
'source': {
type: 'vector',
url: 'mapbox://examples.8fgz4egr'
},
'source-layer': 'sf2010',
'paint': {
// make circles larger as the user zooms from z12 to z22
//https://jingsam.github.io/mapbox-gl-style-spec/#types-function
// https://www.mapbox.com/mapbox-gl-js/style-spec/#function-base
'circle-radius': {
'base': 1.75,
'stops': [[12, 2], [22, 180]]
},
// color circles by ethnicity, using a match expression
// https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions-match
'circle-color': [
'match',
['get', 'ethnicity'],
'White', '#fbb03b',
'Black', '#223b53',
'Hispanic', '#e55e5e',
'Asian', '#3bb2d0',
/* other */ '#ccc'
]
}
});
});
</script>
</body>
</html>