304 lines
18 KiB
JavaScript
304 lines
18 KiB
JavaScript
const satellite = require('satellite.js')
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const moment = require('moment')
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const julian = require('julian')
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const { loadData } = require('./xlsx')
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/*
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根据卫星显示的起始时间，终止时间，tle轨道两行数得出czml文件，时间为js的Date对象，tles为对象数组，对象格式为
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{
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name：xx，
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tle1：xx，
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tle2：xx
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}
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*/
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const tles2czml = (startTime, endTime, tles, fileName) => {
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// 计算起始时间和终止时间相隔的分钟数
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let minsInDuration = (endTime.getTime() - startTime.getTime()) / 60000; //mins
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console.log(minsInDuration)
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//设置为开始时间
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let initialTime = moment(startTime.toISOString()).toISOString();
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//设置为结束时间
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endTime = moment(endTime.toISOString()).toISOString();
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// 初始化czml数据，创建场景信息
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let tempCZML = [];
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tempCZML.push({
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"id": "document",
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"version": "1.0",
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"name": `${fileName} CZML Model`,
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"clock": {
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"currentTime": `${initialTime}`,
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"multiplier": 555,
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"interval": `${initialTime}/${endTime}`,
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"range": "LOOP_STOP",
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"step": "SYSTEM_CLOCK_MULTIPLIER"
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}
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},
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)
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// 处理每一个sat
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for (let no = 0; no < tles.length; no++) {
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if(!tles[no].name){
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return
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};
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if(!tles[no].tle1){
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return
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};
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if(!tles[no].tle2){
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return
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};
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let sat_name = tles[no].name;
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// 保存位置信息
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let res = [];
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let satrec
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satrec = satellite.twoline2satrec(tles[no].tle1, tles[no].tle2);
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//satrec.no：以弧度/分钟为单位的平均运动，一天有1440分钟，一弧度是0.159155圈
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// to go from RAD/DAY -> REV/DAY: rad * 1440 * 0.159155
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//to go from REV/PER DAY to MINS/REV -> 1440/RevPerDay
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let totalIntervalsInDay = satrec.no * 1440 * 0.159155; //1440 = min && 0.159155 = 1turn
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// 获得运行一圈的分钟数
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let minsPerInterval = 1440 / totalIntervalsInDay; // mins for 1 revolution around earth
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// intervalTime 取结束时间 格式为2008-09-20T12:25:40.104Z
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let intervalTime = endTime
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let leadIntervalArray = [];
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let trailIntervalArray = [];
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console.log("Setting intervals...");
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// 注意：这里之所以要倒过来求leadInterval和trailInterval是因为如果正着求，很有可能在终止时刻卫星并没有运行完一圈，导致轨道只显示一半
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for (let i = minsInDuration; i >= 0; i -= minsPerInterval) {
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if (i <= minsPerInterval) { // intial interval
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let currentOrbitalInterval = {
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"interval": `${initialTime}/${intervalTime}`,
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"epoch": `${initialTime}`,
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"number": [
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0, minsPerInterval * 120,
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minsPerInterval * 120, 0
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]
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}
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let currTrail = {
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"interval": `${initialTime}/${intervalTime}`,
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"epoch": `${initialTime}`,
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"number": [
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0, 0,
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minsPerInterval * 120, minsPerInterval * 120
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]
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}
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leadIntervalArray.push(currentOrbitalInterval);
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trailIntervalArray.push(currTrail);
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}
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else { //not initial so make intervals
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let previousIntervalTime = moment(intervalTime).add(-minsPerInterval, 'm').toISOString();
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let currentOrbitalInterval = {
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"interval": `${previousIntervalTime}/${intervalTime}`,
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"epoch": `${previousIntervalTime}`,
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"number": [
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0, minsPerInterval * 120,
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minsPerInterval * 120, 0
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]
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}
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let currTrail = {
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"interval": `${previousIntervalTime}/${intervalTime}`,
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"epoch": `${previousIntervalTime}`,
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"number": [
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0, 0,
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minsPerInterval * 120, minsPerInterval * 120
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]
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}
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intervalTime = moment(intervalTime).add(-minsPerInterval, 'm').toISOString();
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leadIntervalArray.push(currentOrbitalInterval);
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trailIntervalArray.push(currTrail);
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}
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}
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// Seconds between current time and epoch time
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let sec = (startTime - julian.toDate(satrec.jdsatepoch)) / 1000;
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console.log(startTime, julian.toDate(satrec.jdsatepoch), sec);
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for (let i = sec; i <= sec + minsInDuration * 60; i = i + 300) { //sec + minsInDuration * 60 每60秒计算一个位置信息，最后采用拉格朗日插值法处理数据
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// 根据当前时间距tle两行数历元时刻的分钟数，计算当前卫星位置和速度
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let positionAndVelocity = satellite.sgp4(satrec, i * 0.0166667); // 0.0166667min = 1sec
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// 地惯坐标系
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let positionEci = positionAndVelocity.position;
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positionEci.x = positionEci.x * 1000;
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positionEci.y = positionEci.y * 1000;
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positionEci.z = positionEci.z * 1000;
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// let velocityEci = positionAndVelocity.velocity;
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// velocityEci.x = velocityEci.x * 1000;
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// velocityEci.y = velocityEci.y * 1000;
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// velocityEci.z = velocityEci.z * 1000;
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res.push(i - sec, positionEci.x, positionEci.y, positionEci.z);
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}
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let dataArr = {
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rawname: '',
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showname: '',
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airDefenseNumber: '',
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PRN: '',
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type: '',
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launchDate: '',
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runningCycle: '',
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orbitalInclination: '',
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apogeeAltitude: '',
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perigeeAltitude: '',
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atomicClockType: '',
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beidouType: ''
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}
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loadData()[fileName].forEach(element => {
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if(element.rawname == sat_name){
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dataArr.rawname = element.rawname
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dataArr.showname = element.showname
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dataArr.airDefenseNumber = element.airDefenseNumber
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dataArr.PRN = element.PRN
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dataArr.type = element.type
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dataArr.launchDate = element.launchDate
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dataArr.runningCycle = element.runningCycle
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dataArr.orbitalInclination = element.orbitalInclination
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dataArr.apogeeAltitude = element.apogeeAltitude
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dataArr.perigeeAltitude = element.perigeeAltitude
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if(element.atomicClockType !== undefined && element.beidouType !== undefined){
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dataArr.atomicClockType = element.atomicClockType
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dataArr.beidouType = element.beidouType
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}
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}
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})
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let satelliteType
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let description
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let fillColor
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let solidColor
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let model
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if(fileName == "BEIDOU"){
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satelliteType = 'Beidou'
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model = 'Beidou' + dataArr.type
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fillColor = [ 0, 204, 255, 500 ]
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solidColor = [ 0, 204, 255, 100 ]
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description = `<img style=\"float: right;\" src=\"./image/logo/Beidou.png\" /><img style=\"float: right;width:190px;clear:both;\" src=\"./image/gif/${ 'Beidou' + dataArr.type }.gif\" /><p>NORAD ID:${ dataArr.airDefenseNumber }</p><p>PRN:${ dataArr.PRN }</p><p>\u7c7b\u578b:${ dataArr.type }</p><p>\u53d1\u5c04\u65e5\u671f:${ dataArr.launchDate }</p><p>\u8fd0\u884c\u5468\u671f\uff08\u5206\u949f\uff09:${ dataArr.runningCycle }</p><p>\u8f68\u9053\u9762\u503e\u89d2\uff08\u5ea6\uff09:${ dataArr.orbitalInclination }</p><p>\u8fdc\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.apogeeAltitude }</p><p>\u8fd1\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.perigeeAltitude }</p><p>\u539f\u5b50\u949f\u7c7b\u578b\uff08\u5317\u6597\uff09:${ dataArr.atomicClockType }</p><p>\u5317\u6597\u7c7b\u578b\uff082/3\uff09:${ dataArr.beidouType }</p>`
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}
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if(fileName == "GPS"){
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satelliteType = 'GPS'
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model = 'GPS' + dataArr.type
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fillColor = [ 255, 255, 0, 500 ]
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solidColor = [ 255, 255, 0, 100 ]
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description = `<img style=\"float: right;\" src=\"./image/logo/GPS.png\" /><img style=\"float: right;width:190px;clear:both;\" src=\"./image/gif/${ 'GPS' + dataArr.type }.gif\" /><p>NORAD ID:${ dataArr.airDefenseNumber }</p><p>PRN:${ dataArr.PRN }</p><p>\u7c7b\u578b:${ dataArr.type }</p><p>\u53d1\u5c04\u65e5\u671f:${ dataArr.launchDate }</p><p>\u8fd0\u884c\u5468\u671f\uff08\u5206\u949f\uff09:${ dataArr.runningCycle }</p><p>\u8f68\u9053\u9762\u503e\u89d2\uff08\u5ea6\uff09:${ dataArr.orbitalInclination }</p><p>\u8fdc\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.apogeeAltitude }</p><p>\u8fd1\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.perigeeAltitude }</p>`
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}
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if(fileName == "GLONASS"){
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satelliteType = 'GLONASS'
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model = 'GLONASS' + dataArr.type
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fillColor = [ 102, 0, 255, 500 ]
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solidColor = [ 102, 0, 255, 100 ]
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description = `<img style=\"float: right;\" src=\"./image/logo/GLONASS.png\" /><img style=\"float: right;width:190px;clear:both;\" src=\"./image/gif/${ 'GLONASS' + dataArr.type }.gif\" /><p>NORAD ID:${ dataArr.airDefenseNumber }</p><p>PRN:${ dataArr.PRN }</p><p>\u7c7b\u578b:${ dataArr.type }</p><p>\u53d1\u5c04\u65e5\u671f:${ dataArr.launchDate }</p><p>\u8fd0\u884c\u5468\u671f\uff08\u5206\u949f\uff09:${ dataArr.runningCycle }</p><p>\u8f68\u9053\u9762\u503e\u89d2\uff08\u5ea6\uff09:${ dataArr.orbitalInclination }</p><p>\u8fdc\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.apogeeAltitude }</p><p>\u8fd1\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.perigeeAltitude }</p>`
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}
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if(fileName == "GALILEO"){
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satelliteType = 'Galileo'
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model = 'Galileo' + dataArr.type
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fillColor = [ 0, 204, 102, 500 ]
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solidColor = [ 0, 204, 102, 100 ]
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description = `<img style=\"float: right;\" src=\"./image/logo/Galileo.png\" /><img style=\"float: right;width:190px;clear:both;\" src=\"./image/gif/${ 'Galileo' + dataArr.type }.gif\" /><p>NORAD ID:${ dataArr.airDefenseNumber }</p><p>PRN:${ dataArr.PRN }</p><p>\u7c7b\u578b:${ dataArr.type }</p><p>\u53d1\u5c04\u65e5\u671f:${ dataArr.launchDate }</p><p>\u8fd0\u884c\u5468\u671f\uff08\u5206\u949f\uff09:${ dataArr.runningCycle }</p><p>\u8f68\u9053\u9762\u503e\u89d2\uff08\u5ea6\uff09:${ dataArr.orbitalInclination }</p><p>\u8fdc\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.apogeeAltitude }</p><p>\u8fd1\u5730\u70b9\u9ad8\u5ea6\uff08\u516c\u91cc\uff09:${ dataArr.perigeeAltitude }</p>`
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}
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let initialCZMLProps =
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{
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"id": `Satellite/${sat_name}`,
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"name": `${sat_name}`,
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"description": description,
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"availability": `${initialTime}/${endTime}`,
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"label": {
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"fillColor": {
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"rgba": fillColor
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},
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"font": "11pt Lucida Console",
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"horizontalOrigin": "TOP",
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"outlineColor": {
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"rgba": [
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0, 0, 0, 255
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]
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},
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"outlineWidth": 2,
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"pixelOffset": {
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"cartesian2": [
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12, 0
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]
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},
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"show": true,
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"style": "FILL_AND_OUTLINE",
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"text": `${sat_name}`,
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"verticalOrigin": "CENTER"
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},
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"path": {
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"show": [
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{
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"interval": `${initialTime}/${endTime}`,
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"boolean": true
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}
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],
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"width": 1,
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"material": {
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"solidColor": {
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"color": {
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"rgba": solidColor
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// [
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// // 随机生成轨道颜色
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// // Math.floor(255 * Math.random(0, 1)), Math.floor(255 * Math.random(0, 1)), Math.floor(255 * Math.random(0, 1)), 255
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// ]
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}
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}
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},
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"resolution": 120,
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// The time ahead of the animation time, in seconds, to show the path.
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"leadTime": leadIntervalArray,
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// The time behind the animation time, in seconds, to show the
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"trailTime": trailIntervalArray
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},
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"model": {
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"show": true,
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"gltf": `./models/geo/${model}.glb`,
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"minimumPixelSize": 60,
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"maximumPixelSize": 60,
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"scale": 24000.0
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},
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"properties":{
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"satelliteType": satelliteType
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},
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"position": {
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// 采用拉格朗日插值法
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"interpolationAlgorithm": "LAGRANGE",
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// 1为线性插值，2为平方插值
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"interpolationDegree": 5,
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// 参考坐标系，地惯坐标系
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"referenceFrame": "INERTIAL",
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"epoch": `${initialTime}`,
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"cartesian": res
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},
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"orientation": {
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"velocityReference": "#position"
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}
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}
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tempCZML.push(initialCZMLProps);
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}
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if(fileName == "BEIDOU"){
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tempCZML.push({
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"id": "Constellation/beidou",
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"name": "\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf",
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"description": "<p style=\"text-align: center;\"><img src=\"./image/logo/Beidou.png\" style=\"width: 190px;height: 190px;\" /></p><p>\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u662f\u4e2d\u56fd\u7740\u773c\u4e8e\u56fd\u5bb6\u5b89\u5168\u548c\u7ecf\u6d4e\u793e\u4f1a\u53d1\u5c55\u9700\u8981\uff0c\u81ea\u4e3b\u5efa\u8bbe\u8fd0\u884c\u7684\u5168\u7403\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff0c\u662f\u4e3a\u5168\u7403\u7528\u6237\u63d0\u4f9b\u5168\u5929\u5019\u3001\u5168\u5929\u65f6\u3001\u9ad8\u7cbe\u5ea6\u7684\u5b9a\u4f4d\u3001\u5bfc\u822a\u548c\u6388\u65f6\u670d\u52a1\u7684\u56fd\u5bb6\u91cd\u8981\u65f6\u7a7a\u57fa\u7840\u8bbe\u65bd\u30022000\u5e74\u5e74\u5e95\uff0c\u5efa\u6210\u5317\u6597\u4e00\u53f7\u7cfb\u7edf\uff0c\u5411\u4e2d\u56fd\u63d0\u4f9b\u670d\u52a1\uff1b2012\u5e74\u5e74\u5e95\uff0c\u5efa\u6210\u5317\u6597\u4e8c\u53f7\u7cfb\u7edf\uff0c\u5411\u4e9a\u592a\u5730\u533a\u63d0\u4f9b\u670d\u52a1\uff1b2020\u5e74\uff0c\u5efa\u6210\u5317\u6597\u4e09\u53f7\u7cfb\u7edf\uff0c\u5411\u5168\u7403\u63d0\u4f9b\u670d\u52a1\u30022035\u5e74\u524d\u5c06\u5efa\u8bbe\u5b8c\u5584\u66f4\u52a0\u6cdb\u5728\u3001\u66f4\u52a0\u878d\u5408\u3001\u66f4\u52a0\u667a\u80fd\u7684\u7efc\u5408\u65f6\u7a7a\u4f53\u7cfb\u3002</p>"
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})
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}
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if(fileName == "GALILEO"){
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tempCZML.push({
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"id": "Constellation/galileo",
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"name": "\u6b27\u76df\u7814\u5236\u4f3d\u5229\u7565\u536b\u661f\u5bfc\u822a\u7cfb\u7edf",
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"description": "<p style=\"text-align: center;\"><img src=\"./image/logo/Galileo.png\" style=\"width: 190px;height: 190px;\" /></p><p>\u4f3d\u5229\u7565\u5b9a\u4f4d\u7cfb\u7edf\uff08\u610f\u5927\u5229\u8bed\uff1aGalileo\uff09\uff0c\u662f\u4e00\u4e2a\u6b63\u5728\u5efa\u9020\u4e2d\u7684\u536b\u661f\u5b9a\u4f4d\u7cfb\u7edf\uff0c\u8be5\u7cfb\u7edf\u7531\u6b27\u76df\u901a\u8fc7\u6b27\u6d32\u7a7a\u95f4\u5c40\u548c\u6b27\u6d32\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u7ba1\u7406\u5c40\u5efa\u9020\uff0c\u603b\u90e8\u8bbe\u5728\u6377\u514b\u5171\u548c\u56fd\u7684\u5e03\u62c9\u683c\u3002\u4f3d\u5229\u7565\u7cfb\u7edf\u7684\u76ee\u6807\u662f\u5728\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u63d0\u4f9b\u7cbe\u5ea61\u7c73\u4ee5\u5185\u7684\u5b9a\u4f4d\u670d\u52a1\uff0c\u5e76\u4e14\u5728\u9ad8\u7eac\u5ea6\u5730\u533a\u63d0\u4f9b\u6bd4\u5176\u4ed6\u7cfb\u7edf\u66f4\u597d\u7684\u5b9a\u4f4d\u670d\u52a1\u3002</p>"
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})
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}
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if(fileName == "GLONASS"){
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tempCZML.push({
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"id": "Constellation/glo-ops",
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"name": "\u4fc4\u7f57\u65af\u683c\u6d1b\u7eb3\u65af\u536b\u661f\u5bfc\u822a\u7cfb\u7edf",
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"description": "<p style=\"text-align: center;\"><img src=\"./image/logo/GLONASS.png\" style=\"width: 190px;height: 190px;\" /></p><p>\u683c\u6d1b\u7eb3\u65af\u7cfb\u7edf\u6216\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\uff0c\u7b80\u79f0GLONASS\uff08\u4fc4\u8bed\uff1a\u0413\u041b\u041e\u041d\u0410\u0421\u0421\uff0c\u7f57\u9a6c\u5316\uff1aGLONASS\uff0c\u4fc4\u8bed\uff1a\u0413\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0430\u044f \u043da\u0432\u0438\u0433\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u043f\u0443\u0442\u043d\u0438\u043a\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430\uff0c\u7f57\u9a6c\u5316\uff1aGlobalnaya navigatsionnaya sputnikovaya sistema\uff09\uff0c\u5b83\u662f\u7531\u82cf\u8054\u4e8e1982\u5e74\u7814\u53d1\u7684\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff0c\u82cf\u8054\u89e3\u4f53\u540e\u4e00\u5ea6\u4e27\u5931\u5927\u591a\u6570\u536b\u661f\u4e0e\u529f\u80fd\uff0c\u4eca\u65e5\u7531\u4fc4\u7f57\u65af\u7ef4\u62a4\u8fd0\u4f5c\u3002\u7c7b\u4f3c\u4e8e\u7f8e\u56fd\u7684\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u3001\u6b27\u76df\u7684\u4f3d\u5229\u7565\u5b9a\u4f4d\u7cfb\u7edf\u548c\u4e2d\u56fd\u7684\u5317\u6597\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\uff0c\u4e0d\u8fc7\u6280\u672f\u7565\u6709\u5dee\u5f02\u3002</p>"
|
||
})
|
||
}
|
||
if(fileName == "GPS"){
|
||
tempCZML.push({
|
||
"id": "Constellation/gps-ops",
|
||
"name": "\u7f8e\u56fd\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf",
|
||
"description": "<p style=\"text-align: center;\"><img src=\"./image/logo/GPS.png\" style=\"width: 190px;height: 190px;\" /></p><p>GPS\uff0c\u53c8\u79f0\u5168\u7403\u536b\u661f\u5b9a\u4f4d\u7cfb\u7edf\uff0c\u662f\u7f8e\u56fd\u56fd\u9632\u90e8\u7814\u5236\u548c\u7ef4\u62a4\u7684\u4e2d\u8ddd\u79bb\u5706\u578b\u8f68\u9053\u536b\u661f\u5bfc\u822a\u7cfb\u7edf\u3002\u5b83\u53ef\u4ee5\u4e3a\u5730\u7403\u8868\u9762\u7edd\u5927\u90e8\u5206\u5730\u533a\uff0898%\uff09\u63d0\u4f9b\u51c6\u786e\u7684\u5b9a\u4f4d\u3001\u6d4b\u901f\u548c\u9ad8\u7cbe\u5ea6\u7684\u6807\u51c6\u65f6\u95f4\u3002\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u53ef\u6ee1\u8db3\u4f4d\u4e8e\u5168\u7403\u5730\u9762\u4efb\u4f55\u4e00\u5904\u6216\u8fd1\u5730\u7a7a\u95f4\u7684\u519b\u4e8b\u7528\u6237\u8fde\u7eed\u4e14\u7cbe\u786e\u5730\u786e\u5b9a\u4e09\u7ef4\u4f4d\u7f6e\u3001\u4e09\u7ef4\u8fd0\u52a8\u548c\u65f6\u95f4\u7684\u9700\u6c42\u3002</p>"
|
||
})
|
||
}
|
||
return tempCZML;
|
||
}
|
||
|
||
module.exports = { tles2czml } |