learning_cesium/加载WFS面要素行政边界.html

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2024-03-19 18:06:25 +08:00
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<script src="./Build/Cesium/Cesium.js"></script>
<link href="./Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
<style>
@import url(./Build/Cesium/Widgets/widgets.css);
html,
body,
#cesiumContainer {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="cesiumContainer"></div>
<script>
Cesium.Ion.defaultAccessToken =
"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI5ZjRjNTZkNC01NDYxLTRhMjQtOGEwZC1kZjA3YzQ5YTJlZDkiLCJpZCI6MjYwODQsInNjb3BlcyI6WyJhc3IiLCJnYyJdLCJpYXQiOjE1ODcxOTMwODN9.prGsSKyAW_9Ow5zHYPhbm3LsQL-ApQw5-5PNJkDaHi8";
var viewer = new Cesium.Viewer("cesiumContainer", {
// terrainProvider: Cesium.createWorldTerrain({
// requestVertexNormal: true, //添加地形光照
// requestWaterMask: true, //添加水面波浪效果
// }),
// baseLayerPicker: false, //底图选择器
// mapProjection : new Cesium.WebMercatorProjection(),
// geocoder:false,//位置查找
// homeButton:false,//视图返回初始位置
// sceneModePicker:false,//视角选择器
// navigationHelpButton:false,//导航帮助按钮
// animation:false,//动画控制器
// // creditContainer:"credit",//版权显示,指定dom对象的id,再通过id样式可以隐藏CESIUM 版本图标
// timeline:false,//时间线
// fullscreenButton:false,//全屏控件
// vrButton:false,
// infoBox:true ,
// shouldAnimate:true,
// scene3DOnly:true,//默认false若为true,所有几何体实例将仅会在3D模式中渲染(在GPU内存中)
// terrainProvider: Cesium.createWorldTerrain({
// requestVertexNormal: true, //添加地形光照
// requestWaterMask: true, //添加水面波浪效果
// }),
});
viewer.imageryLayers.removeAll();
// 添加 Mapbox tile provider
const mapboxAccess =
"pk.eyJ1IjoicWl1c2hpamllIiwiYSI6ImNsMDNvdDRybDEyc2YzZG9kbWZoY2FuOW0ifQ.4FH-BUupi46Z0zQ-CEm_Ig";
// 样式id查看https://docs.mapbox.com/api/maps/styles/
// URL格式的 mapbox://styles/:owner/:style 其中 :owner 是您的 Mapbox 账户名 :style 是样式 ID 。
// 可选值streets-v10、outdoors-v10 、light-v9、dark-v9、satellite-v9、satellite-streets-v10
const mapboxStyleImagery = new Cesium.MapboxStyleImageryProvider({
styleId: "dark-v9",
accessToken: mapboxAccess,
// proxy: new Cesium.DefaultProxy("http://127.0.0.1:8080/proxy/"),
});
viewer.imageryLayers.addImageryProvider(mapboxStyleImagery);
var scene = viewer.scene;
viewer.camera.flyTo({
destination: Cesium.Cartesian3.fromDegrees(114.91145257593077, 32.36093602262491,40000),
orientation: {
heading: Cesium.Math.toRadians(0),
pitch: Cesium.Math.toRadians(-90),
roll: Cesium.Math.toRadians(0),
},
});
// 加载淮河水系面
let url = "http://localhost:8088/geoserver/allRegion/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=allRegion%3Axixian&maxFeatures=9999&outputFormat=application%2Fjson";
fetch(url).then(res=>res.json()).then(result=>{
console.log(result)
result.features.forEach(feature=>{
addGlowFeature(feature)
})
})
function addGlowFeature(feature){
let geometryType = feature.geometry.type;
let coord = feature.geometry.coordinates;
let geometryName = feature.geometry_name;
if(geometryType == "MultiPolygon"){
let polygon = coord[0];
// 只取外环,构造边界线
polygon[0].forEach(coord=>{
})
var glowingLine = viewer.entities.add({
name: "具有发光效果的线",
polyline: {
positions: Cesium.Cartesian3.fromDegreesArray(polygon[0].flat(2)),
width: 10,
material: new Cesium.PolylineGlowMaterialProperty({
glowPower: 0.2,
color: Cesium.Color.RED,
}),
followSurface: false, //是否贴着地表
},
});
}
}
</script>
</body>
</html>