//添加卫星
function addSatellite() {
satellite.curRouteLine \= viewer.entities.add({
name: "satelliteline",
polyline: {
positions: new Cesium.CallbackProperty(function (time, result) {
return satellite.curRoutePositions;
}, false),
material: new Cesium.ColorMaterialProperty(Cesium.Color.YELLOW),
3,
},
});
satellite.entity \= viewer.entities.add({
position: Cesium.Cartesian3.fromDegrees(\-75.59777, 40.03883),
billboard: {
image: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADJSURBVDhPnZHRDcMgEEMZjVEYpaNklIzSEfLfD4qNnXAJSFWfhO7w2Zc0Tf9QG2rXrEzSUeZLOGm47WoH95x3Hl3jEgilvDgsOQUTqsNl68ezEwn1vae6lceSEEYvvWNT/Rxc4CXQNGadho1NXoJ+9iaqc2xi2xbt23PJCDIB6TQjOC6Bho/sDy3fBQT8PrVhibU7yBFcEPaRxOoseTwbwByCOYf9VGp1BYI1BA+EeHhmfzKbBoJEQwn1yzUZtyspIQUha85MpkNIXB7GizqDEECsAAAAASUVORK5CYII=",
},
label: {
text: 'Landsat8'
},
polyline: {
positions: new Cesium.CallbackProperty(function (time, result) {
//return satellite.entity.position.concat(satellite.curNadir);
return (satellite.curNadir && satellite.entity) ? \[satellite.entity.position.\_value, satellite.curNadir\] : \[\]
}, false),
material: new Cesium.ColorMaterialProperty(Cesium.Color.BLUE),
1
}
});
var redCone = viewer.entities.add({//红色圆锥体
name: 'Red cone',
position: new Cesium.CallbackProperty(function (time, result) {
if (satellite.entity) {
let p \= cesiumCoordUtil.cartesian3ToDegree2(satellite.entity.position.\_value);
return Cesium.Cartesian3.fromDegrees(p.lon, p.lat, p.height / 6 \* 5);
} else {
return Cesium.Cartesian3.fromDegrees(0, 0, 0);
}
}, false),
cylinder: {
length: new Cesium.CallbackProperty(function (time, result) {
return (satellite.entity ? cesiumCoordUtil.cartesian3ToDegree2(satellite.entity.position.\_value).height : 0) / 3;
}, false),
topRadius: 0.0,
bottomRadius: new Cesium.CallbackProperty(function (time, result) {
return (satellite.entity ? cesiumCoordUtil.cartesian3ToDegree2(satellite.entity.position.\_value).height : 0) / 6;
}, false),
material: Cesium.Color.RED
}
});
}
//动态推送图像
function addByTime() {
clear1();
Cesium.Resource.fetchJson({
url: './datas/testfilenew.json'
}).then(function (jsonData) {
if (!jsonData) {
return;
}
let level0 \= jsonData.level3;
for (let index = 0; index < level0.length; index++) {
const tileData \= level0\[index\];
let bbox \= tileData.bbox;
let imagePath \= tileData.imagePath;
let id \= tileData.id;
console.log(id);
console.log(imagePath);
let xnum \= id.split('\_')\[0\];
let ynum \= id.split('\_')\[1\];
imagePath \= './datas' + imagePath.replace('./', '/');
// start(bbox, imagePath);
(function (index) {
setTimeout(function () {
console.log(index, "interval");
//addImage(bbox, './datas/aaa.jpg');
addImage(bbox, imagePath);
let curSillitePos \= Cesium.Cartesian3.fromArray(satellite.routeLine\[index\]);
satellite.curRoutePositions.push(curSillitePos);
satellite.entity.position \= curSillitePos;
satellite.curNadir \= Cesium.Cartesian3.fromDegrees(satellite.nadirs\[index\]\[0\], satellite.nadirs\[index\]\[1\], 0.0);
}, index \* 300);
})(index);
}
}).otherwise(function (error) {
});
addSatellite();
}
本文转自 https://www.cnblogs.com/dog2016/p/14044005.html,如有侵权,请联系删除。