点云图层简介
点云数据可以使用 PointCloudLayer 在浏览器中可视化。这个示例显示了超过 11 亿个点构成的点云，这些点是用 LiDAR 采集的。
程序完整源代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<title>Intro to PointCloudLayer - 4.5</title>
<style>
html,
body,
#viewDiv {
padding: 0;
margin: 0;
height: 100%;
width: 100%;
}
</style>
<link rel="stylesheet" href="https://js.arcgis.com/4.5/esri/css/main.css">
<script src="https://js.arcgis.com/4.5/"></script>
<script>
require([
"esri/Map",
"esri/views/SceneView",
"esri/layers/PointCloudLayer",
"dojo/domReady!"
], function(
Map, SceneView, PointCloudLayer
) {
// 创建点云图层
var layer = new PointCloudLayer({
portalItem: {
id: "fc3f4a4919394808830cd11df4631a54"
}
});
var map = new Map({
basemap: "satellite",
ground: "world-elevation",
layers: [layer]
});
var view = new SceneView({
container: "viewDiv",
map: map,
camera: {
heading: 210,
tilt: 78,
position: {
x: -8249335,
y: 4832005,
z: 50.7,
spatialReference: {
wkid: 3857
}
}
}
});
});
</script>
</head>
<body>
<div id="viewDiv"></div>
</body>
</html>
程序运行效果：
（完）