MapvDemo/point_density_rect.html at master · sncer/MapvDemo · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
    <title>方形网格密度</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no">
    <link rel="stylesheet" href="css/style.css" />
    <script type="text/javascript" src="js/jquery.min.js"></script>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
</head>

<body>

<div id="map"></div>
<script type="text/javascript" src="js/dump.js"></script>
<script type="text/javascript" src="js/dist/Mapv.js"></script>
<script type="text/javascript" src="js/data/BaiduMap_cityCenter.js"></script>
<script type="text/javascript" src="js/example.js"></script>
<script type="text/javascript">

/**
 * @file 示例代码
 */

bmap.centerAndZoom(new BMap.Point(105.403119, 38.028658), 5); // 初始化地图,设置中心点坐标和地图级别

// 第一步创建mapv示例
var mapv = new Mapv({
    drawTypeControl: true,
    map: bmap  // 百度地图的map实例
});

var data = []; // 取城市的点来做示例展示的点数据

data = data.concat(getCityCenter(cityData.municipalities));
data = data.concat(getCityCenter(cityData.provinces));
data = data.concat(getCityCenter(cityData.other));

for (var i = 0; i < cityData.provinces.length; i++) {
    var citys = cityData.provinces[i].cities;
    data = data.concat(getCityCenter(citys));
}

function getCityCenter(citys) {
    var data = [];
    for (var i = 0; i < citys.length; i++) {
        var city = citys[i];
        var center = city.g.split('|')[0];
        center = center.split(',');
        data.push({
            lng: center[0],
            lat: center[1],
            count: parseInt(Math.random() * 10)
        });
    }
    return data;
};
dump(data);
var layer = new Mapv.Layer({
    mapv: mapv, // 对应的mapv实例
    zIndex: 1, // 图层层级
    dataType: 'point', // 数据类型，点类型
    data: data, // 数据
    drawType: 'density', // 展示形式
    drawOptions: { // 绘制参数
        type: "rect", // 网格类型，方形网格或蜂窝形
        size: 50, // 网格大小
        unit: 'px', // 单位
        opacity: '0.5',
        label: { // 是否显示文字标签
            show: true,
        },
        gradient: { // 显示的颜色渐变范围
            '0': 'blue',
            '0.6': 'cyan',
            '0.7': 'lime',
            '0.8': 'yellow',
            '1.0': 'red'
        },
        events: {
            click: function(e, data) {
                console.log('click',e, data)
            },
            // mousemove: function(e, data) {
            //     console.log('move',e, data)
            // }
        }
    },
});

</script>
</body>

</html>