如何查找同行网站做的外链seo优化软件购买

        无人机航点、航线规划，实现全自动航点飞行作业及飞行航拍。禁飞区、作业区功能保障飞行安全。

GIS引擎加载

const viewer = new Cesium.Viewer("cesiumContainer", {
  imageryProvider: new Cesium.IonImageryProvider({ assetId: 3872 }),
});

const imageryLayers = viewer.imageryLayers;
const nightLayer = imageryLayers.get(0);
const dayLayer = imageryLayers.addImageryProvider(
  new Cesium.IonImageryProvider({
    assetId: 3875,
  })
);
imageryLayers.lowerToBottom(dayLayer);

多相机联动

航线加载

const czml = [{id: "document",name: "CZML Geometries: Polyline",version: "1.0",},{id: "redLine",name: "Red line clamped to terain",polyline: {positions: {cartographicDegrees: [-75, 35, 0, -125, 35, 0],},material: {solidColor: {color: {rgba: [255, 0, 0, 255],},},},width: 5,clampToGround: true,},},{id: "blueLine",name: "Glowing blue line on the surface",polyline: {positions: {cartographicDegrees: [-75, 37, 0, -125, 37, 0],},material: {polylineGlow: {color: {rgba: [100, 149, 237, 255],},glowPower: 0.2,taperPower: 0.5,},},width: 10,},},{id: "orangeLine",name:"Orange line with black outline at height and following the surface",polyline: {positions: {cartographicDegrees: [-75, 39, 250000, -125, 39, 250000],},material: {polylineOutline: {color: {rgba: [255, 165, 0, 255],},outlineColor: {rgba: [0, 0, 0, 255],},outlineWidth: 2,},},width: 5,},},{id: "purpleLine",name: "Purple arrow at height",polyline: {positions: {cartographicDegrees: [-75, 43, 500000, -125, 43, 500000],},material: {polylineArrow: {color: {rgba: [148, 0, 211, 255],},},},arcType: "NONE",width: 10,},},{id: "dashedLine",name: "Blue dashed line",polyline: {positions: {cartographicDegrees: [-75, 45, 500000, -125, 45, 500000],},material: {polylineDash: {color: {rgba: [0, 255, 255, 255],},},},width: 4,},},
];const dataSourcePromise = Cesium.CzmlDataSource.load(czml);
viewer.dataSources.add(dataSourcePromise);

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