<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<script src="http://bigemap.com/offline_data/newjunbiao/vue.js"></script>
<link
href="http://ua.bigemap.com:30081/bmsdk/bigemap-gl.js/v1.1.0/Widgets/widgets.css"
rel="stylesheet"
/>
<script src="http://ua.bigemap.com:30081/bmsdk/bigemap-gl.js/v1.1.0/bigemap-gl.js"></script>
<!-- elementui -->
<script src="http://bigemap.com/offline_data/newjunbiao/elementui.js"></script>
<link rel="stylesheet" href="http://bigemap.com/offline_data/newjunbiao/elementui.css" />
<script src="/offline_data/turf.min.js"></script>
<title>PrimitiveAPI加載大量的點(diǎn)</title>
<style>
* {
margin: 0;
padding: 0;
}
html,
body {
width: 100%;
height: 100%;
}
#app {
width: 100%;
height: 100%;
}
#baseMap {
width: 100%;
height: 100%;
}
.tools {
position: absolute;
z-index: 9;
top: 40px;
right: 60px;
width: 200px;
height: 40px;
display: flex;
align-items: center;
}
</style>
</head>
<body>
<div id="app">
<div id="baseMap"></div>
</div>
<script>
let viewer = null;
window.onload = () => {
new Vue({
el: "#app",
data() {
return {};
},
mounted() {
this.initMap();
},
methods: {
//初始化地圖
initMap() {
bmgl.Config.HTTP_URL = "http://ua.bigemap.com:30081/bmsdk/";
viewer = new bmgl.Viewer("baseMap", {
mapId: "bigemap.dc-satellite",
infoBox: false,
selectionIndicator: false,
requestRenderMode: false,
});
this.loadMangyPoints();
},
loadMangyPoints() {
let points = turf.randomPoint(20000, {
bbox: [-180, -90, 180, 90],
});
// console.log(points);
let fsArray = points.features;
//創(chuàng)建一個(gè)collection對(duì)象用于存放點(diǎn)位數(shù)據(jù)
let billboardCollection =
viewer.scene.primitives.add(
new bmgl.BillboardCollection()
);
fsArray.forEach((v, i) => {
let pos = v.geometry.coordinates;
billboardCollection.add({
position: bmgl.Cartesian3.fromDegrees(
...pos
),
image: "/offline_data/newjunbiao/food.png",
width: 20,
height: 20,
//根據(jù)距離縮放
scaleByDistance: new bmgl.NearFarScalar(
2000000,
1,
8000000,
0.1
),
});
});
},
},
beforeDestroy() {
viewer.destroy();
viewer = null;
},
});
};
</script>
</body>
</html>