我找到了以下代码来显示和隐藏Mapbox GL中的图层：
https://www.mapbox.com/mapbox-gl-js/example/toggle-layers/
这很有帮助，但是我只有一个包含所有必要数据的.geojson图层（折线），不需要创建单独的图层。 我想做同样的功能，在地图菜单中能够显示和隐藏一个图层的要素。总共有12个不同的要素类型，包含在名为“Type”的列中。我想像示例中那样切换类型的开关。 在JS中是否有一种简单的方法使用set.Filter来实现这一点？
https://github.com/mapbox/mapbox-gl-js/blob/e9386d2880cc2c33e9a5a16b9bcb58834026a078/js/ui/map.js#L559-L562
我一直无法想出解决方案。
我的.geojson图层在这里：
https://iskandarblue.github.io/mapbox/data/simplify_prototype.geojson<!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/v0.15.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.15.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
#menu {
background: #fff;
position: absolute;
z-index: 1;
top: 10px;
right: 10px;
border-radius: 3px;
width: 120px;
border: 1px solid rgba(0,0,0,0.4);
font-family: 'Open Sans', sans-serif;
}
#menu a {
font-size: 13px;
color: #404040;
display: block;
margin: 0;
padding: 0;
padding: 10px;
text-decoration: none;
border-bottom: 1px solid rgba(0,0,0,0.25);
text-align: center;
}
#menu a:last-child {
border: none;
}
#menu a:hover {
background-color: #f8f8f8;
color: #404040;
}
#menu a.active {
background-color: #3887be;
color: #ffffff;
}
#menu a.active:hover {
background: #3074a4;
}
</style>
<nav id="menu"></nav>
<div id="map"></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiaXNrYW5kYXJibHVlIiwiYSI6ImNpazE3MTJldjAzYzZ1Nm0wdXZnMGU2MGMifQ.i3E1_b9QXJS8xXuPy3OTcg';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v8',
zoom: 15,
center: [-71.97722138410576, -13.517379300798098]
});
map.on('style.load', function () {
map.addSource('museums', {
type: 'vector',
url: 'mapbox://mapbox.2opop9hr'
});
map.addLayer({
'id': 'museums',
'type': 'circle',
'source': 'museums',
'paint': {
'circle-radius': 8,
'circle-color': 'rgba(55,148,179,1)'
},
'source-layer': 'museum-cusco'
});
map.addSource('contours', {
type: 'vector',
url: 'mapbox://mapbox.mapbox-terrain-v2'
});
map.addLayer({
'id': 'contours',
'type': 'line',
'source': 'contours',
'source-layer': 'contour',
'layout': {
'line-join': 'round',
'line-cap': 'round'
},
'paint': {
'line-color': '#877b59',
'line-width': 1
}
});
});
addLayer('Contours', 'contours');
addLayer('Museums', 'museums');
function addLayer(name, id) {
var link = document.createElement('a');
link.href = '#';
link.className = 'active';
link.textContent = name;
link.onclick = function (e) {
e.preventDefault();
e.stopPropagation();
var visibility = map.getLayoutProperty(id, 'visibility');
if (visibility === 'visible') {
map.setLayoutProperty(id, 'visibility', 'none');
this.className = '';
} else {
this.className = 'active';
map.setLayoutProperty(id, 'visibility', 'visible');
}
};
var layers = document.getElementById('menu');
layers.appendChild(link);
}
</script>
</body>
</html>