Cesium数据可视化-仓储调度系统可视化部分(附github源码)

/**
* 计算 property
* @param source
* @returns {SampledPositionProperty|*}
*/
function computeFlight(source) {
// 取样位置 相当于一个集合
var property = new Cesium.SampledPositionProperty();
property.setInterpolationOptions({
interpolationAlgorithm: Cesium.LagrangePolynomialApproximation,
interpolationDegree: 2
});
for (var i = 0; i < source.length; i++) {
var time = Cesium.JulianDate.addSeconds(start, source[i].time, new Cesium.JulianDate);
var position = Cesium.Cartesian3.fromDegrees(source[i].longitude, source[i].dimension, source[i].height);
// 添加位置，和时间对应
property.addSample(time, position);
}
return property;
}
// 动态点
viewer.entities.add({
position: property,
name: "复兴号",
description: "运载量：100t",
path: {
show: true,
leadTime: 0,
trailTime: 10,
 5,
resolution: 5,
material: new Cesium.PolylineOutlineMaterialProperty({
color: Cesium.Color.fromAlpha(Cesium.Color.RED, 1),
outlineWidth: 1,
outlineColor: Cesium.Color.red
})
},
availability: new Cesium.TimeIntervalCollection([new Cesium.TimeInterval({
start: Cesium.JulianDate.addSeconds(start, data[j][0].time, new Cesium.JulianDate),
stop: Cesium.JulianDate.addSeconds(start, data[j][data[j].length - 1].time, new Cesium.JulianDate),
isStartIncluded: true,
isStopIncluded: false,
data: Cesium.Cartesian3.fromDegrees(110, 39)
})]
)
});