h-cesium-viewer
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严浩
188
src/pages/_cesium-demos/_TLE_DATA.ts
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188
src/pages/_cesium-demos/_TLE_DATA.ts
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// eslint-disable no-useless-spread
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/* eslint-disable unicorn/numeric-separators-style */
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// eslint-disable no-unused-vars
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// https://en.wikipedia.org/wiki/Two-line_element_set#Format
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export const DEMO_DATA = {
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// #############################
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tleJson: {
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ARG_OF_PERICENTER: 181.9338,
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BSTAR: 0.00039937,
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CLASSIFICATION_TYPE: 'U',
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ECCENTRICITY: 0.7375486,
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ELEMENT_SET_NO: 999,
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EPHEMERIS_TYPE: 0,
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EPOCH: '2025-03-12T15:49:04.420416',
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INCLINATION: 19.0363,
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MEAN_ANOMALY: 171.615,
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MEAN_MOTION: 2.21786616,
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MEAN_MOTION_DDOT: -5.0502e-7,
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MEAN_MOTION_DOT: 0.00072212,
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NORAD_CAT_ID: 63158,
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OBJECT_ID: '2025-045B',
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OBJECT_NAME: '2025-045B',
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RA_OF_ASC_NODE: 63.0294,
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REV_AT_EPOCH: 13,
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},
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get tleLine1() {
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return this.tleString.split('\n')[1];
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},
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get tleLine2() {
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return this.tleString.split('\n')[2];
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},
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get tleName() {
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return this.tleString.split('\n')[0];
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},
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tleString: `2025-045B
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1 63158U 25045B 25071.65907894 .00072212 -50502-6 39937-3 0 9999
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2 63158 19.0363 63.0294 7375486 181.9338 171.6150 2.21786616 127`,
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};
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export const TLE_LIST = [
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DEMO_DATA.tleString,
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...[
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`STARLINK-32915
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1 63152U 25043W 25070.91668981 .00451203 87802-4 12020-2 0 9994
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2 63152 43.0011 279.4620 0003944 269.6759 119.1758 15.93738994 2341`,
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`STARLINK-32915 [测修改1]
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1 00000U 00000W 25070.91668981 .00000000 00000-0 00000-0 0 0000
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2 00000 43.0011 279.4620 0003944 269.6759 119.1758 15.93738994 0000`,
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],
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];
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// 为了twoline2satrec函数需要哪些参数
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// https://github.com/shashwatak/satellite-js/blob/0e921026d20b75f42553366994af70eed63a304f/src/io.js#L62
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function twoline2satrecFake(longstr1: string, longstr2: string) {
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console.group('twoline2satrecFake');
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const satrec = {} as Record<string, any>;
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satrec.error = 0;
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satrec.satnum = longstr1.slice(2, 7);
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console.debug(`longstr1.substring(2, 7) :>>`, `"${longstr1.slice(2, 7)}"`);
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satrec.epochyr = Number.parseInt(longstr1.slice(18, 20), 10);
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console.debug(`longstr1.substring(18, 20) :>>`, `"${longstr1.slice(18, 20)}"`);
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satrec.epochdays = Number.parseFloat(longstr1.slice(20, 32));
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console.debug(`longstr1.substring(20, 32) :>>`, `"${longstr1.slice(20, 32)}"`);
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satrec.ndot = Number.parseFloat(longstr1.slice(33, 43));
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console.debug(`longstr1.substring(33, 43) :>>`, `"${longstr1.slice(33, 43)}"`);
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satrec.nddot = Number.parseFloat(`.${Number.parseInt(longstr1.slice(44, 50), 10)}E${longstr1.slice(50, 52)}`);
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console.debug(`longstr1.substring(44, 50) :>>`, `"${longstr1.slice(44, 50)}"`);
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console.debug(`longstr1.substring(50, 52) :>>`, `"${longstr1.slice(50, 52)}"`);
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satrec.bstar = Number.parseFloat(
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`${longstr1.slice(53, 54)}.${Number.parseInt(longstr1.slice(54, 59), 10)}E${longstr1.slice(59, 61)}`,
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);
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console.debug(`longstr1.substring(53, 54) :>>`, `"${longstr1.slice(53, 54)}"`);
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console.debug(`longstr1.substring(54, 59) :>>`, `"${longstr1.slice(54, 59)}"`);
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console.debug(`longstr1.substring(59, 61) :>>`, `"${longstr1.slice(59, 61)}"`);
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// satrec.satnum = longstr2.substring(2, 7);
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satrec.inclo = Number.parseFloat(longstr2.slice(8, 16));
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console.debug(`longstr2.substring(8, 16) :>>`, `"${longstr2.slice(8, 16)}"`);
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satrec.nodeo = Number.parseFloat(longstr2.slice(17, 25));
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console.debug(`longstr2.substring(17, 25) :>>`, `"${longstr2.slice(17, 25)}"`);
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satrec.ecco = Number.parseFloat(`.${longstr2.slice(26, 33)}`);
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console.debug(`longstr2.substring(26, 33) :>>`, `"${longstr2.slice(26, 33)}"`);
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satrec.argpo = Number.parseFloat(longstr2.slice(34, 42));
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console.debug(`longstr2.substring(34, 42) :>>`, `"${longstr2.slice(34, 42)}"`);
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satrec.mo = Number.parseFloat(longstr2.slice(43, 51));
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console.debug(`longstr2.substring(43, 51) :>>`, `"${longstr2.slice(43, 51)}"`);
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satrec.no = Number.parseFloat(longstr2.slice(52, 63));
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console.debug(`longstr2.substring(52, 63) :>>`, `"${longstr2.slice(52, 63)}"`);
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console.groupEnd();
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return satrec;
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}
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let line1 = '';
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line1 += '1'; //
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line1 += ' '; //
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line1 += '62949'; // 卫星编号
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line1 += 'U'; // 卫星分类
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line1 += ' ';
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line1 += '25';
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line1 += '029';
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line1 += 'B'.padEnd(3, ' ');
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line1 += ' ';
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line1 += '25070.91668981'; // 🛰️ 历元时间 25070.91668981（年份 2025，第 70 天加 0.91668981 天）
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line1 += ' ';
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line1 += '.00039463'.padStart(10, ' '); //
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line1 += '00000+0'.padStart(9, ' '); //
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line1 += '99294-3'.padStart(9, ' '); //
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line1 += ' ';
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line1 += '0';
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line1 += ' ';
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line1 += '999'.padStart(4, ' ');
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line1 += '0';
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let line2 = '';
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line2 += '2';
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line2 += ' ';
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line2 += '62949';
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line2 += ' ';
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line2 += '53.1596'.padStart(8, ' '); // 🛰️ 轨道倾角（度）
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line2 += ' ';
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line2 += '120.9032'; // 🛰️ 升交点赤经（度）
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line2 += ' ';
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line2 += '0001355'; // 🛰️ 偏心率
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line2 += ' ';
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line2 += '101.1211'; // 🛰️ 近地点角距（度）
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line2 += ' ';
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line2 += '35.9659'.padStart(8, ' '); // 🛰️ 平近点角（度）
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line2 += ' ';
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line2 += '15.39574303'; // 🛰️ 平均运动（圈/天）
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line2 += '580'.padStart(5, ' ');
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line2 += '9';
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// console.debug(`xxxline2 :>>`, `"${line2}"`);
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// console.debug('正确↓');
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// console.debug(`longstr2 :>>`, `"${longstr2}"`);
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// twoline2satrecFake('', line2);
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// twoline2satrecFake('', longstr2);
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// const numbers = '0123456789';
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// twoline2satrecFake(
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// `${numbers}${numbers}${numbers}${numbers}${numbers}${numbers}`,
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// '',
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// );
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// if ($__DEV__) {
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// const tle = TLE_LIST[0] as string;
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// const line1 = tle.split('\n')[1] as string;
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// const line2 = tle.split('\n')[2] as string;
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// console.clear();
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// twoline2satrecFake(line1, line2);
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// }
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// if ($__DEV__) {
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// const satrec2 = twoline2satrec(
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// `1 62949 25070.91668981 .00039463 00000+0 99294-3 `,
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// `2 53.1596 120.9032 0001355 101.1211 35.9659 15.39574303 `,
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// );
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// const satrec1_str = JSON.stringify(satrec1, null, 2);
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// const satrec2_str = JSON.stringify(satrec2, null, 2);
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// console.debug(`satrec1_str === satrec2_str :>>`, satrec1_str === satrec2_str);
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// }
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// longstr1.substring(2, 7) :>> "63157"
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// longstr1.substring(18, 20) :>> "25"
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// longstr1.substring(20, 32) :>> "069.35219743"
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// longstr1.substring(33, 43) :>> " .00000545"
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// longstr1.substring(44, 50) :>> "-65692"
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// longstr1.substring(50, 52) :>> "-6"
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// longstr1.substring(53, 54) :>> " "
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// longstr1.substring(54, 59) :>> "00000"
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// longstr1.substring(59, 61) :>> "+0"
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//
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// longstr2.substring(8, 16) :>> " 19.0062"
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// longstr2.substring(17, 25) :>> " 64.6364"
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// longstr2.substring(26, 33) :>> "7327661"
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// longstr2.substring(34, 42) :>> "179.7218"
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// longstr2.substring(43, 51) :>> "141.4162"
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// longstr2.substring(52, 63) :>> " 2.26206155"
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