mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-07-04 15:17:36 +00:00
114 lines
3.6 KiB
HTML
114 lines
3.6 KiB
HTML
<!--********************************************************************
|
|
* by jiawanlong
|
|
*********************************************************************-->
|
|
<!DOCTYPE html>
|
|
<html>
|
|
|
|
<head>
|
|
<meta charset="UTF-8" />
|
|
<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css" />
|
|
<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
|
|
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
|
|
<script src="./turf.min.js"></script>
|
|
</head>
|
|
|
|
<body style="
|
|
margin: 0;
|
|
overflow: hidden;
|
|
background: #fff;
|
|
width: 100%;
|
|
height: 100%;
|
|
position: absolute;
|
|
top: 0;
|
|
">
|
|
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
|
|
|
|
<script type="text/javascript">
|
|
Cesium.Ion.defaultAccessToken =
|
|
"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M";
|
|
const viewer = new Cesium.Viewer("map", {});
|
|
viewer.scene.debugShowFramesPerSecond = true;
|
|
viewer.scene.globe.depthTestAgainstTerrain = true;
|
|
|
|
const tileset = new Cesium.Cesium3DTileset({
|
|
url: "./3ds2/tileset.json",
|
|
});
|
|
tileset.readyPromise
|
|
.then(function (tileset) {
|
|
viewer.scene.primitives.add(tileset);
|
|
viewer.zoomTo(tileset);
|
|
})
|
|
.catch(function (error) {
|
|
console.log(error);
|
|
});
|
|
|
|
let features = [];
|
|
|
|
let myEntityCollection = new Cesium.CustomDataSource("clickEntityCollection");
|
|
viewer.dataSources.add(myEntityCollection);
|
|
|
|
axios
|
|
.get("./tjp.json") //读取区域json
|
|
.then((response) => {
|
|
features = response.data.features;
|
|
features.forEach((item) => {
|
|
let degreesArray = getDegreesArray(item);
|
|
var entity1 = new Cesium.Entity({
|
|
beof: '建筑',
|
|
polygon: {
|
|
hierarchy: Cesium.Cartesian3.fromDegreesArray(degreesArray),
|
|
material: Cesium.Color.WHITE.withAlpha(0),
|
|
classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
|
|
},
|
|
});
|
|
|
|
myEntityCollection.entities.add(entity1);
|
|
});
|
|
});
|
|
|
|
//获取坐标串 不带高度 工具类
|
|
function getDegreesArray(feature) {
|
|
let degreesArray = [];
|
|
let coordinates = feature.geometry.coordinates[0];
|
|
for (let i = 0; i < coordinates.length; i++) {
|
|
const element = coordinates[i];
|
|
degreesArray.push(element[0]);
|
|
degreesArray.push(element[1]);
|
|
}
|
|
return degreesArray;
|
|
}
|
|
|
|
//注册点击事件
|
|
var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
|
|
//初始化上一次高亮的建筑
|
|
var entityBuild
|
|
handler.setInputAction(function (e) {
|
|
console.log(new Date().getTime())
|
|
|
|
var pick = viewer.scene.pick(e.position);
|
|
var cartesian = viewer.scene.pickPosition(e.position);
|
|
if (pick && pick.id) {
|
|
//如果选中的是建筑
|
|
if (pick.id.beof == "建筑") {
|
|
//则将上一次的建筑颜色变为无色
|
|
if (entityBuild) {
|
|
entityBuild.material.color = Cesium.Color.WHITE.withAlpha(0)
|
|
}
|
|
//再高亮这次的建筑
|
|
entityBuild = pick.id.polygon
|
|
entityBuild.material.color = Cesium.Color.RED.withAlpha(1)
|
|
console.log(new Date().getTime())
|
|
|
|
}
|
|
} else {
|
|
//如果没选中则同样改为无色
|
|
if (entityBuild) {
|
|
entityBuild.material.color = Cesium.Color.WHITE.withAlpha(0)
|
|
}
|
|
}
|
|
}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
|
|
|
|
</script>
|
|
</body>
|
|
|
|
</html> |