mapv
Version:
a library of geography visualization
119 lines (99 loc) • 3.92 kB
HTML
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
html,
body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
#map {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="map"></div>
<canvas id="canvas"></canvas>
<script type="text/javascript" src="//cdn.bootcss.com/jquery/3.0.0/jquery.min.js"></script>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
<script type="text/javascript" src="../build/mapv.js"></script>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("map", {
enableMapClick: false
}); // 创建Map实例
map.centerAndZoom('北京'); // 初始化地图,设置中心点坐标和地图级别
map.enableScrollWheelZoom(true); // 开启鼠标滚轮缩放
map.setMapStyle({
style: 'midnight'
});
var randomCount = 100;
var data = [];
var citys = ["北京", "天津", "上海", "重庆", "石家庄", "太原", "呼和浩特", "哈尔滨", "长春", "沈阳", "济南", "南京", "合肥", "杭州", "南昌", "福州", "郑州", "武汉", "长沙", "广州", "南宁", "西安", "银川", "兰州", "西宁", "乌鲁木齐", "成都", "贵阳", "昆明", "拉萨", "海口"];
// 构造数据
while (randomCount--) {
var cityCenter1 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
var cityCenter2 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
data.push({
geometry: {
type: 'LineString',
coordinates: [
[cityCenter1.lng - 1 + Math.random() * 1, cityCenter1.lat - 1 + Math.random() * 1],
[cityCenter2.lng - 1 + Math.random() * 1, cityCenter2.lat - 1 + Math.random() * 1]
]
},
count: 30 * Math.random()
});
}
$.ajax({
url: 'data/heatmap-test',
success: function(data) {
var _data = [];
data = data.split('\n');
for (var i in data) {
var dataLine = data[i].split('\t');
var lines = dataLine[0].split(',');
var coor = [];
for (var j = 0; j < lines.length; j += 2) {
_data.push({
geometry: {
type: 'Point',
coordinates: [lines[j], lines[j + 1]]
},
count: dataLine[1]
});
}
// _data.push({
// geometry: {
// type: 'LineString',
// coordinates: coor
// },
// count: dataLine[1]
// });
}
var dataSet = new mapv.DataSet(_data);
var options = {
gradient: {
0.25: "rgb(0,0,255)",
0.55: "rgb(0,255,0)",
0.85: "yellow",
1.0: "rgb(255,0,0)"
},
size: 1,
max: 1000,
draw: 'heatmap'
}
var mapvLayer = new mapv.baiduMapLayer(map, dataSet, options);
}
})
// console.log(data)
</script>
</body>
</html>