高德地图上万个点绘制点以及历史轨迹
效果图：
上代码：
<!-- 重点：getRenderOptions -->
<!doctype html>
<html lang="zh-CN">
<head>
<!-- 原始地址：//webapi.amap.com/ui/1.0/ui/misc/PointSimplifier/examples/animation.html -->
<!-- <base href="//webapi.amap.com/ui/1.0/ui/misc/PointSimplifier/examples/" /> -->
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>高德地图大批量数据（上万）画历史轨迹实现方案</title>
<style>
html,
body,
#container {
width: 100%;
height: 100%;
margin: 0px;
}
#loadingTip {
position: absolute;
z-index: 9999;
top: 0;
right: 0;
padding: 3px 10px;
background: red;
color: #fff;
font-size: 13px;
}
</style>
</head>
<body>
<div id="container"></div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=1.4.10&key=您申请的key值'></script>
<!-- UI组件库 1.0 -->
<script src="//webapi.amap.com/ui/1.0/main.js?v=1.0.11"></script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
zoom: 4
});
//just some colors
var colors = [
"#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00",
"#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707",
"#651067", "#329262", "#5574a6", "#3b3eac"
];
AMapUI.load(['ui/misc/PointSimplifier', 'lib/$'], function(PointSimplifier, $) {
if (!PointSimplifier.supportCanvas) {
alert('当前环境不支持 Canvas！');
return;
}
var pointSimplifierIns = new PointSimplifier({
zIndex: 115,
autoSetFitView: false,
map: map, //所属的地图实例
getPosition: function(item) {
if (!item) {
return null;
}
var parts = item.split(',');
return [parseFloat(parts[0]), parseFloat(parts[1])];
},
getHoverTitle: function(dataItem, idx) {
return '序号: ' + idx;
},
//使用GroupStyleRender
renderConstructor: PointSimplifier.Render.Canvas.GroupStyleRender,
renderOptions: {
//点的样式
pointStyle: {
fillStyle: 'red',
width: 5,
height: 5
},
getGroupId: function(item, idx) {
var parts = item.split(',');
//按纬度区间分组
return Math.abs(Math.round(parseFloat(parts[1]) / 3));
},
groupStyleOptions: function(gid) {
return {
pointStyle: {
fillStyle: colors[gid % colors.length]
}
};
}
}
});
$('<div id="loadingTip">加载数据，请稍候...</div>').appendTo(document.body);
$.get('https://a.amap.com/amap-ui/static/data/10w.txt', function(csv) {
var data = csv.split('\n');
pointSimplifierIns.setData(data);
$('#loadingTip').remove();
//startAnim();
});//画线=====================================================
});
AMapUI.load(['ui/misc/PathSimplifier', 'lib/$'], function(PathSimplifier, $) {
if (!PathSimplifier.supportCanvas) {
alert('当前环境不支持 Canvas！');
return;
}
var pathSimplifierIns2 = new PathSimplifier({
zIndex: 100,
//autoSetFitView:false,
map: map, //所属的地图实例
getPath: function(pathData, pathIndex) {
return pathData.path;
},
getHoverTitle: function(pathData, pathIndex, pointIndex) {
if (pointIndex >= 0) {
//point
return pathData.name + '，点：' + pointIndex + '/' + pathData.path.length;
}
return pathData.name + '，点数量' + pathData.path.length;
},
renderOptions: {
renderAllPointsIfNumberBelow: 100 //绘制路线节点，如不需要可设置为-1
}
});
window.pathSimplifierIns = pathSimplifierIns2;
//设置数据，模拟路线数据
pathSimplifierIns2.setData([{
name: '路线0',
path: [
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]
}]);
// //对第一条线路（即索引 0）创建一个巡航器
// var navg1 = pathSimplifierIns2.createPathNavigator(0, {
// // loop: true, //循环播放
// speed: 50000000 //巡航速度，单位千米/小时
// });
// navg1.start();
});
</script>
</body>
</html>
