<!DOCTYPE html>
<html>
<head>
<title>热力图</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 src="http://api.map.baidu.com/api?v=2.0&ak=DDd05fcba9fea5b83bf648515e04fc4c" type="text/javascript"></script>
<script type="text/javascript" src="./js/Heatmap_min.js"></script>
<style type="text/css">
ul,li{list-style: none;margin:0;padding:0;float:left;}
html{height:100%}
body{height:100%;margin:0px;padding:0px;font-family:"微软雅黑";}
#container{height:600px;width:100%;}
#r-result{width:100%;}
</style>
</head>
<body>
<div id="container"></div>
<div id="r-result">
<input type="button" onclick="openHeatmap();" value="显示热力图"/><input type="button" onclick="closeHeatmap();" value="关闭热力图"/>
</div>
<script type="text/javascript">
var map = new BMap.Map("container"); // 创建地图实例
var point = new BMap.Point(116.418261, 39.921984);
map.centerAndZoom(point, 15); // 初始化地图，设置中心点坐标和地图级别
map.enableScrollWheelZoom(); // 允许滚轮缩放
var points =[
{"lng":116.418261,"lat":39.921984,"count":50},
{"lng":116.423332,"lat":39.916532,"count":51},
{"lng":116.419787,"lat":39.930658,"count":15},
{"lng":116.418455,"lat":39.920921,"count":40},
{"lng":116.418843,"lat":39.915516,"count":100},
{"lng":116.42546,"lat":39.918503,"count":6},
{"lng":116.423289,"lat":39.919989,"count":18},
{"lng":116.418162,"lat":39.915051,"count":80},
{"lng":116.422039,"lat":39.91782,"count":11},
{"lng":116.41387,"lat":39.917253,"count":7},
{"lng":116.41773,"lat":39.919426,"count":42},
{"lng":116.421107,"lat":39.916445,"count":4},
{"lng":116.417521,"lat":39.917943,"count":27},
{"lng":116.419812,"lat":39.920836,"count":23},
{"lng":116.420682,"lat":39.91463,"count":60},
{"lng":116.415424,"lat":39.924675,"count":8},
{"lng":116.419242,"lat":39.914509,"count":15},
{"lng":116.422766,"lat":39.921408,"count":25},
{"lng":116.421674,"lat":39.924396,"count":21},
{"lng":116.427268,"lat":39.92267,"count":1},
{"lng":116.417721,"lat":39.920034,"count":51},
{"lng":116.412456,"lat":39.92667,"count":7},
{"lng":116.420432,"lat":39.919114,"count":11},
{"lng":116.425013,"lat":39.921611,"count":35},
{"lng":116.418733,"lat":39.931037,"count":22},
{"lng":116.419336,"lat":39.931134,"count":4},
{"lng":116.413557,"lat":39.923254,"count":5},
{"lng":116.418367,"lat":39.92943,"count":3},
{"lng":116.424312,"lat":39.919621,"count":100},
{"lng":116.423874,"lat":39.919447,"count":87},
{"lng":116.424225,"lat":39.923091,"count":32},
{"lng":116.417801,"lat":39.921854,"count":44},
{"lng":116.417129,"lat":39.928227,"count":21},
{"lng":116.426426,"lat":39.922286,"count":80},
{"lng":116.421597,"lat":39.91948,"count":32},
{"lng":116.423895,"lat":39.920787,"count":26},
{"lng":116.423563,"lat":39.921197,"count":17},
{"lng":116.417982,"lat":39.922547,"count":17},
{"lng":116.426126,"lat":39.921938,"count":25},
{"lng":116.42326,"lat":39.915782,"count":100},
{"lng":116.419239,"lat":39.916759,"count":39},
{"lng":116.417185,"lat":39.929123,"count":11},
{"lng":116.417237,"lat":39.927518,"count":9},
{"lng":116.417784,"lat":39.915754,"count":47},
{"lng":116.420193,"lat":39.917061,"count":52},
{"lng":116.422735,"lat":39.915619,"count":100},
{"lng":116.418495,"lat":39.915958,"count":46},
{"lng":116.416292,"lat":39.931166,"count":9},
{"lng":116.419916,"lat":39.924055,"count":8},
{"lng":116.42189,"lat":39.921308,"count":11},
{"lng":116.413765,"lat":39.929376,"count":3},
{"lng":116.418232,"lat":39.920348,"count":50},
{"lng":116.417554,"lat":39.930511,"count":15},
{"lng":116.418568,"lat":39.918161,"count":23},
{"lng":116.413461,"lat":39.926306,"count":3},
{"lng":116.42232,"lat":39.92161,"count":13},
{"lng":116.4174,"lat":39.928616,"count":6},
{"lng":116.424679,"lat":39.915499,"count":21},
{"lng":116.42171,"lat":39.915738,"count":29},
{"lng":116.417836,"lat":39.916998,"count":99},
{"lng":116.420755,"lat":39.928001,"count":10},
{"lng":116.414077,"lat":39.930655,"count":14},
{"lng":116.426092,"lat":39.922995,"count":16},
{"lng":116.41535,"lat":39.931054,"count":15},
{"lng":116.413022,"lat":39.921895,"count":13},
{"lng":116.415551,"lat":39.913373,"count":17},
{"lng":116.421191,"lat":39.926572,"count":1},
{"lng":116.419612,"lat":39.917119,"count":9},
{"lng":116.418237,"lat":39.921337,"count":54},
{"lng":116.423776,"lat":39.921919,"count":26},
{"lng":116.417694,"lat":39.92536,"count":17},
{"lng":116.415377,"lat":39.914137,"count":19},
{"lng":116.417434,"lat":39.914394,"count":43},
{"lng":116.42588,"lat":39.922622,"count":27},
{"lng":116.418345,"lat":39.919467,"count":8},
{"lng":116.426883,"lat":39.917171,"count":3},
{"lng":116.423877,"lat":39.916659,"count":34},
{"lng":116.415712,"lat":39.915613,"count":14},
{"lng":116.419869,"lat":39.931416,"count":12},
{"lng":116.416956,"lat":39.925377,"count":11},
{"lng":116.42066,"lat":39.925017,"count":38},
{"lng":116.416244,"lat":39.920215,"count":91},
{"lng":116.41929,"lat":39.915908,"count":54},
{"lng":116.422116,"lat":39.919658,"count":21},
{"lng":116.4183,"lat":39.925015,"count":15},
{"lng":116.421969,"lat":39.913527,"count":3},
{"lng":116.422936,"lat":39.921854,"count":24},
{"lng":116.41905,"lat":39.929217,"count":12},
{"lng":116.424579,"lat":39.914987,"count":57},
{"lng":116.42076,"lat":39.915251,"count":70},
{"lng":116.425867,"lat":39.918989,"count":8}];
if(!isSupportCanvas()){
alert('热力图目前只支持有canvas支持的浏览器,您所使用的浏览器不能使用热力图功能~')
}
//详细的参数,可以查看heatmap.js的文档 https://github.com/pa7/heatmap.js/blob/master/README.md
//参数说明如下:
/* visible 热力图是否显示,默认为true
* opacity 热力的透明度,1-100
* radius 势力图的每个点的半径大小
* gradient {JSON} 热力图的渐变区间 . gradient如下所示
* {
.2:'rgb(0, 255, 255)',
.5:'rgb(0, 110, 255)',
.8:'rgb(100, 0, 255)'
}
其中 key 表示插值的位置, 0~1.
value 为颜色值.
*/
heatmapOverlay = new BMapLib.HeatmapOverlay({"radius":20});
map.addOverlay(heatmapOverlay);
heatmapOverlay.setDataSet({data:points,max:100});
closeHeatmap();
//判断浏览区是否支持canvas
function isSupportCanvas(){
var elem = document.createElement('canvas');
return !!(elem.getContext && elem.getContext('2d'));
}
function setGradient(){
/*格式如下所示:
{
0:'rgb(102, 255, 0)',
.5:'rgb(255, 170, 0)',
1:'rgb(255, 0, 0)'
}*/
var gradient = {};
var colors = document.querySelectorAll("input[type='color']");
colors = [].slice.call(colors,0);
colors.forEach(function(ele){
gradient[ele.getAttribute("data-key")] = ele.value;
});
heatmapOverlay.setOptions({"gradient":gradient});
}
function openHeatmap(){
heatmapOverlay.show();
}
function closeHeatmap(){
heatmapOverlay.hide();
}
</script>
</body>
</html>
百度地图相关库文件及演示实例
5星 · 超过95%的资源 需积分: 18 119 浏览量
2016-05-08
11:30:53
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评论 1
收藏 125KB RAR 举报 
bdMap.rar （27个子文件） 
bdMap 
13.导航.html 2KB 8.CityList.html 1KB js 
jquery-1.9.1.min.js 90KB Heatmap_min.js 12KB example.js 3KB MarkerTool_min.js 7KB jquery.min.js 82KB BaiduMap_cityCenter.js 16KB DistanceTool_min.js 18KB CityList_min.js 8KB LuShu_min.js 8KB Mapv.min.js 65KB TrafficControl_min.js 11KB 7.heatmap.html 7KB 14.公交查询.html 3KB 6.Mapv.html 2KB 3.添加一些标注层等.html 4KB 11.TrafficTool.html 778B 5MarkerTool.html 1KB 1.引入百度地图的两种方式.html 2KB 2.helloworld.html 3KB 4.添加地图图层.html 4KB css style.css 579B
marker.png 1KB 12.searchControl.html 923B 10.distance.html 1KB 9.lushu.html 3KB资源评论
robinjlm2018-11-02演示代码看过了，还不错
爱人间2016-08-25能用，谢谢，好资料
码农人生1314
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