<!DOCTYPE html>
<html>
<head>
<meta charset='UTF-8'/>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no'/>
<link href='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/Widgets/widgets.css' rel='stylesheet'/>
<script src='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/bigemap-gl.js'></script>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#container {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
#add{
position: absolute;
left: 25px;
top:20px;
color: #333;
background-color: #f1f1f1;
padding: 15px;
}
#add a{
display: inline-block;
padding: 5px 10px;
}
.bmgl-widget-credits{display:none}
</style>
<title>part_test</title>
</head>
<body>
<div id='container'></div>
<div id="add">
<a href="javascript:void(0);" id="start" data-type="start">开始</a>
<a href="javascript:void(0);" data-type="stop">停止</a>
</div>
<script>
bmgl.Config.HTTP_URL = 'http://bigemap.com:9000';
var viewer = new bmgl.Viewer('container', {
terrainId: 'bigemap.9af15d8e',
mapId: 'bigemap.zhongkexingtu',
requestRenderMode:false,
});
//启用地形遮挡
viewer.scene.globe.depthTestAgainstTerrain=true;
viewer.camera.setView({
destination:bmgl.Cartesian3.fromDegrees(103.62908521232548,30.925160500796443,9271.09381883),
orientation:{"heading":6.282927573132531,"roll":6.283184223254143,"pitch":-0.7898537685249098}
});
var height=650;
var entity=viewer.entities.add({
show:false,
polygon:{
extrudedHeight:new bmgl.CallbackProperty(function (e) {
if (type==='run'){
height=height<2000?height+=0.25:2000;
}
return height;
},false),
hierarchy:bmgl.Cartesian3.fromDegreesArray([103.67642392404379,30.979978615804974,103.64449597662316,30.950517790429306,103.59338702866808,30.940714212782957,103.53219402255492,30.961381555053634,103.51394213503228,31.000584107166144,103.50470567587763,31.035048201444695,103.54711355874316,31.05039059266936,103.64366019610316,31.063488152089803,103.70637133251877,31.06890226409121,103.73128368984909,31.047311092748085,103.71700788382444,31.012171641339606,103.70410968549551,30.981436193269417,103.67715457454325,30.980169097270256]),
material:bmgl.Color.fromAlpha(bmgl.Color.BLUE,0.5)
}
});
var type='';
document.getElementById('add').addEventListener('click',function (e) {
var dataset= e.target.dataset;
switch (dataset.type) {
case 'stop':
type='';
document.getElementById('start').innerHTML='开始';
height=650;
entity.show=false;
break;
case 'start':
entity.show=true;
viewer.camera.setView({
destination:bmgl.Cartesian3.fromDegrees(103.62908521232548,30.925160500796443,9271.09381883),
orientation:{"heading":6.282927573132531,"roll":6.283184223254143,"pitch":-0.7898537685249098}
});
if (type){
type='';
e.target.innerHTML='继续';
}else{
type='run';
e.target.innerHTML='暂停';
}
break;
}
});
</script>
</body>
</html>
源码