完整示例代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>天地图</title>
<!-- 引用cesium的js和css，天地图的扩展js -->
<script src="js/cesium1.97/Cesium.js"></script>
<link rel="stylesheet" href="js/cesium1.97//Widgets/widgets.css"/>
<style type="text/css">
html, body, #tiandituContainer {
width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden;
}
</style> </head>
<body onload="loadData()">
<div id="tiandituContainer" style="">
</div>
<script>
var cesiumAsset='eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI5NjE1MDIwOC1jOGYxLTQzZWItYjNhOC1iNjZlMWM1OGYxMDIiLCJpZCI6MTAyODY5LCJpYXQiOjE2NTkwMDA3ODN9.Vy4hW4jpjbZs6ee4BcRl3-cCl-oRGn42e2_Hjbo5nas';
Cesium.Ion.defaultAccessToken = cesiumAsset; const poinArr = [{
id: '12321321',
name: "颍红测试点",
type: "固定枪机",
state: "在线",
position: {
x: 111.11974175706595,
y: 36.8798251193496
},
text: '1'
}, {
id: '43244324',
name: "解放修理厂门口",
type: "固定枪机",
state: "在线",
position: {
x: 111.11837977115736,
y: 36.88012118794686
},
text: '2'
}, {
id: '43764324',
name: "新华路加油站",
type: "固定枪机",
state: "在线",
position: {
x: 111.12272473055148,
y: 36.87860860195417
},
text: '3'
} ] var viewer;
function loadData()
{
//默认会调用微软virtualearth地图
viewer = new Cesium.Viewer('tiandituContainer',{
animation:false, //是否显示动画控件
homeButton:true, //是否显示home键
geocoder:true, //是否显示地名查找控件，如果设置为true，则无法查询
baseLayerPicker:true, //是否显示图层选择控件
timeline:false, //是否显示时间线控件
fullscreenButton:true, //是否全屏显示
infoBox:true, //是否显示点击要素之后显示的信息
sceneModePicker:true, //是否显示投影方式控件 三维/二维
navigationInstructionsInitiallyVisible:false, //导航指令
navigationHelpButton:false, //是否显示帮助信息控件
selectionIndicator:false, //是否显示指示器组件
contextOptions: {
webgl: {
alpha: true,
}
},
});
//默认的Cesium会加载一个bingMap底图，网络不太好，一般要先去掉这个默认的
viewer.imageryLayers.remove(viewer.imageryLayers.get(0));
// 隐藏cesium ion
viewer._cesiumWidget._creditContainer.style.display = "none";
//地形遮挡效果开关，打开后地形会遮挡看不到的区域
viewer.scene.globe.depthTestAgainstTerrain = true;
//关闭天空盒，否则会显示天空颜色
viewer.scene.skyBox.show = false
//背景透明
viewer.scene.backgroundColor = new Cesium.Color(0.0, 0.0, 0.0, 0.0); //关闭大气
viewer.scene.skyAtmosphere.show = false
//抗锯齿
viewer.scene.fxaa = true;
viewer.scene.postProcessStages.fxaa.enabled = true;
//清除月亮太阳
viewer.scene.moon.show = false
viewer.scene.sun.show = false //加载模型
addSlope("*************",30); //加载点位标记
addEntity(poinArr); //注册点击事件
leftDownAction();
} //加载广告牌和文字
function addEntity(pointArr) {
let pinBuilder = new Cesium.PinBuilder()
pointArr.map(res => {
let poin = viewer.entities.add({
id: res.id,
name: res.name,
position: Cesium.Cartesian3.fromDegrees(res.position.x, res.position.y,50),
label: {
text: '测试点位',
font: '16px sans-serif', // 字体大小
style: Cesium.LabelStyle.FILL_AND_OUTLINE, // 字体样式
fillColor: new Cesium.Color.fromCssColorString("#ffffff"), // 字体填充色
outlineWidth: 1, // 字体外圈线宽度（同样也有颜色可设置）
outlineColor: new Cesium.Color.fromCssColorString("#000000"),
verticalOrigin: Cesium.VerticalOrigin.BOTTOM, // 垂直位置
pixelOffset: new Cesium.Cartesian2(0, 15), // 中心位置
disableDepthTestDistance: Number.POSITIVE_INFINITY
},
billboard: {
image: pinBuilder.fromText(res.text, Cesium.Color.ROYALBLUE, 48).toDataURL(),
verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
},
monitoItems: {
data: res
},
})
//添加线-地面0到50米高度的线
viewer.entities.add({
name: "line", // 线的name属性
polyline: { // 线
positions: [Cesium.Cartesian3.fromDegrees(res.position.x, res.position.y, 0), Cesium.Cartesian3.fromDegrees(res.position.x, res.position.y, 50)], // 由点构线
width: 1.0, // 线的宽度
material: new Cesium.PolylineGlowMaterialProperty({
color: new Cesium.Color.fromCssColorString("#ff0000"),
}), // 线的材质、样式
}
});
})
} //加载三维倾斜模型
function addSlope(url,height) {
var tileset = viewer.scene.primitives.add(
new Cesium.Cesium3DTileset({
url:url,
maximumScreenSpaceError: 16,//默认16,最大屏幕空间错误
maximumNumberOfLoadedTiles: 1000,
maximumMemoryUsage:1024//默认512,内存MB的最大数量
}));
tileset.readyPromise.then((tileset) => {
tileSet(tileset,height) //viewer.zoomTo(tileset);//视野定位到模型处
viewer.zoomTo(tileset, new Cesium.HeadingPitchRange(Cesium.Math.toRadians(155), Cesium.Math.toRadians(-30),tileset.boundingSphere.radius * 1.3));
});
} //处理切片的高度信息
function tileSet(tileset, height)
{
//3dtile模型的边界球体
var boundingSphere = tileset.boundingSphere;
//迪卡尔空间直角坐标=>地理坐标（弧度制）
var cartographic_original = Cesium.Cartographic.fromCartesian(boundingSphere.center);
//地理坐标（弧度制）=>迪卡尔空间直角坐标
var Cartesian3_original = Cesium.Cartesian3.fromRadians(cartographic_original.longitude, cartographic_original.latitude, cartographic_original.height);
var Cartesian3_offset = Cesium.Cartesian3.fromRadians(cartographic_original.longitude, cartographic_original.latitude, height);
//获得地面和offset的转换
var translation = Cesium.Cartesian3.subtract(Cartesian3_offset, Cartesian3_original, new Cesium.Cartesian3());
//修改模型矩阵
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
}
//点击事件处理
function leftDownAction() {
viewer.screenSpaceEventHandler.setInputAction(function onLeftClick(movement) {
var picked = viewer.scene.pick(movement.position)
if (Cesium.defined(picked) && picked.id.id) {
console.log('点击标记：',picked.id._id,picked.id._name); } else {
return
}
}, Cesium.ScreenSpaceEventType.LEFT_CLICK)
}
</script>
</body>
</html>
