mapv
Version:
a library of geography visualization
72 lines (61 loc) • 1.89 kB
HTML
<html>
<head>
<title>maptalks example</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.css" />
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
</style>
</head>
<body>
<div id="map"></div>
<script src="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.js"></script>
<script src="../../build/mapv.js"></script>
<script>
var map = new maptalks.Map('map', {
center: [-102.17609405517578, 34.41583177128595],
zoom: 4,
attribution: {
content: '© Google Maps'
},
baseLayer: new maptalks.TileLayer('base', {
'urlTemplate' : 'http://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png',
'subdomains' : ['a','b','c','d','e']
})
});
var randomCount = 500;
var data = [];
while (randomCount--) {
data.push({
geometry: {
type: 'Point',
coordinates: [-125.8 + Math.random() * 50, 30.3 + Math.random() * 20]
},
count: 30 * Math.random()
});
}
var dataSet = new mapv.DataSet(data);
var options = {
max: 30, // 设置显示的权重最大值
type: 'circle', // 点形状,可选circle:圆形(默认),rect:矩形
size:10, // 半径大小
maxOpacity: 0.9,
gradient: { // 显示的颜色渐变范围
'0': 'blue',
'0.6': 'cyan',
'0.7': 'lime',
'0.8': 'yellow',
'1.0': 'red'
},
draw: 'heatmap'
}
var mapvLayer = new mapv.MaptalksLayer('mapv', dataSet, options).addTo(map);
</script>
</body>
</html>