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c20_tileLayer_time.html
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c20_tileLayer_time.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0" />
<meta name="author" content="火星科技 http://mars3d.cn " />
<meta name="apple-touch-fullscreen" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<meta name="x5-fullscreen" content="true" />
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
<!-- 标题及搜索关键字 -->
<meta name="keywords" content="火星科技,cesium,3D,GIS,marsgis,三维,地球,地图,开发,框架,系统,示例,资料,模型,离线,外包,合肥,安徽,中国" />
<meta
name="description"
content="火星科技 合肥火星 合肥火星科技 合肥火星科技有限公司 leaflet leaflet框架 leaflet开发 cesium cesium开发 cesium框架 三维 地球 模型 gis marsgis 地图离线 地图开发 地图框架 地图外包 框架 开发 外包 地图离线 二维地图 三维地图 全景漫游 地理信息系统 云GIS 三维GIS GIS平台 WebGIS"
/>
<link rel="shortcut icon" type="image/x-icon" href="http://mars3d.cn/favicon.ico" />
<title>时空效果(雷达反射率) | Mars3D | 三维地图 | 火星科技 | 合肥火星科技有限公司</title>
<!--第三方lib-->
<script
type="text/javascript"
src="../lib/include-lib.js"
libpath="../lib/"
include="jquery,font-awesome,bootstrap,layer,haoutil,turf,mars3d"
></script>
<link href="css/style.css" rel="stylesheet" />
</head>
<body class="dark">
<!--加载前进行操作提示,优化用户体验-->
<div id="mask" class="signmask" onclick="removeMask()"></div>
<div id="mars3dContainer" class="mars3d-container"></div>
<script src="./js/common.js"></script>
<script type="text/javascript">
'use script' //开发环境建议开启严格模式
var map
function initMap(options) {
//合并属性参数,可覆盖config.json中的对应配置
var mapOptions = mars3d.Util.merge(options, {
scene: {
center: {
y: 18.919516,
x: 116.700614,
z: 2275206.51,
heading: 0,
pitch: -66.7,
roll: 0,
},
},
})
//创建三维地球场景
map = new mars3d.Map('mars3dContainer', mapOptions)
var urlArr = [
'//data.mars3d.cn/file/img/radar/201906211112.PNG',
'//data.mars3d.cn/file/img/radar/201906211124.PNG',
'//data.mars3d.cn/file/img/radar/201906211130.PNG',
'//data.mars3d.cn/file/img/radar/201906211136.PNG',
'//data.mars3d.cn/file/img/radar/201906211142.PNG',
]
start(urlArr, 1)
}
var step = 0
var arrTileLayer
function start(urlArr, time) {
var arr = []
for (var i = 0, len = urlArr.length; i < len; i++) {
var tileLayer = new mars3d.layer.ImageLayer({
url: urlArr[i],
rectangle: { xmin: 73.16895, xmax: 134.86816, ymin: 12.2023, ymax: 54.11485 },
alpha: 0,
})
map.addLayer(tileLayer)
arr.push(tileLayer)
}
arrTileLayer = arr
step = 0
changeRadarAlpha(time)
}
let idxTimer
const alphaStep = 0.01
function changeRadarAlpha(time) {
if (step > arrTileLayer.length - 1) {
step = 0
arrTileLayer[arrTileLayer.length - 1].alpha = 0
}
var layer1 = arrTileLayer[step]
var layer2 = arrTileLayer[step + 1]
if (!layer1 || !layer2) {
return
}
layer1.alpha = 1
layer2.alpha = 0
clearInterval(idxTimer)
idxTimer = window.setInterval(function () {
layer1.alpha -= alphaStep
layer2.alpha += alphaStep
if (layer1.alpha < alphaStep) {
layer1.alpha = 0
step++
changeRadarAlpha(time)
}
}, time * 1000 * alphaStep)
}
</script>
</body>
</html>