zh_CN Javascript
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5
.idea/.gitignore
vendored
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5
.idea/.gitignore
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# 默认忽略的文件
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/shelf/
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/workspace.xml
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# 基于编辑器的 HTTP 客户端请求
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/httpRequests/
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12
.idea/commu_a_c.iml
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12
.idea/commu_a_c.iml
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="WEB_MODULE" version="4">
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<component name="NewModuleRootManager">
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<content url="file://$MODULE_DIR$">
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<excludeFolder url="file://$MODULE_DIR$/temp" />
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<excludeFolder url="file://$MODULE_DIR$/.tmp" />
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<excludeFolder url="file://$MODULE_DIR$/tmp" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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8
.idea/modules.xml
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8
.idea/modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/commu_a_c.iml" filepath="$PROJECT_DIR$/.idea/commu_a_c.iml" />
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</modules>
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</component>
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</project>
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6
.idea/vcs.xml
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6
.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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177
zh_CN/commu_a_c.js
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177
zh_CN/commu_a_c.js
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const readline = require("readline");
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout
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});
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function sgn(n) {
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if (n > 0) {
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return 1;
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} else if (n < 0) {
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return -1;
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} else {
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return 0;
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}
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}
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function fndeg(d, m, s) {
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return d + sgn(d) * (m / 60 + s/ 3600);
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}
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function fnacs(x) {
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return Math.PI / 2 - 2 * Math.atan(x / (1 + Math.sqrt(1 - x * x)));
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}
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function calc(tlongd, tlatd, rlongd, rlatd) {
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let ro = 6370;
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let gcdkm;
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let btrd;
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let brtd;
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let r2d = 180 / Math.PI;
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let d2r = Math.PI / 180;
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let tlong = tlongd * d2r;
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let tlat = tlatd * d2r;
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let rlong = rlongd * d2r;
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let rlat = rlatd * d2r;
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if (tlong < 0) {
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tlong = Math.PI * 2 + tlong;
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}
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if (rlong < 0) {
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rlong = Math.PI * 2 + rlong;
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}
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let dlong = tlong - rlong;
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if (Math.abs(dlong) > Math.PI) {
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dlong = dlong - Math.PI * 2 * sgn(dlong);
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}
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let x = Math.sin(tlat) * Math.sin(rlat) + Math.cos(tlat) * Math.cos(rlat) * Math.cos(dlong);
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let gcd = fnacs(x);
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if (gcd < 0.0000001) {
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gcd = 0.0000001;
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}
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if (Math.cos(tlat) - 0.0000001 <= 0) {
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let btr;
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if (tlat >= 0) {
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btr = 0;
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} else {
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btr = Math.PI;
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}
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if (Math.cos(rlat) - 0.0000001 > 0) {
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x = (Math.sin(tlat) - Math.sin(rlat) * Math.cos(gcd)) / (Math.cos(rlat) * Math.sin(gcd));
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let brt = fnacs(x);
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if (dlong < 0) {
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brt = Math.PI * 2 - brt;
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}
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gcdkm = gcd * ro;
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btrd = btr * r2d;
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brtd = brt * r2d;
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} else {
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let brt;
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if (rlat >= 0) {
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brt = 0;
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} else {
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brt = Math.PI;
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}
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gcdkm = gcd * ro;
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btrd = btr * r2d;
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brtd = brt * r2d;
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}
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} else {
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x = (Math.sin(rlat) - Math.sin(tlat) * Math.cos(gcd)) / (Math.cos(tlat) * Math.sin(gcd));
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let btr = fnacs(x);
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if (dlong > 0) {
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btr = Math.PI * 2 - btr;
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}
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if (Math.cos(rlat) - 0.0000001 > 0) {
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x = (Math.sin(tlat) - Math.sin(rlat) * Math.cos(gcd)) / (Math.cos(rlat) * Math.sin(gcd));
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let brt = fnacs(x);
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if (dlong < 0) {
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brt = Math.PI * 2 - brt;
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}
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gcdkm = gcd * ro;
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btrd = btr * r2d;
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brtd = brt * r2d;
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} else {
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let brt;
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if (rlat >= 0) {
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brt = 0;
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} else {
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brt = Math.PI;
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}
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gcdkm = gcd * ro;
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btrd = btr * r2d;
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brtd = brt * r2d;
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}
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}
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return [gcdkm, btrd, brtd];
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}
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function main() {
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console.log("《计算通信方位角和大圆距离程序》")
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let gcdkm;
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let btrd;
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let brtd;
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rl.question("发信点经度（度，分，秒）=", function(tmp) {
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tmp = tmp.toString().split(",")
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let tmp2 = [];
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for (let i=0;i<tmp.length;i++) {
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tmp2.push(parseInt(tmp[i]))
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}
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tlongd = fndeg(tmp2[0], tmp2[1], tmp2[2]);
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rl.question("发信点纬度（度，分，秒）=", function(tmp3) {
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tmp3 = tmp3.toString().split(",")
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let tmp4 = [];
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for (let i=0;i<tmp3.length;i++) {
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tmp4.push(parseInt(tmp3[i]))
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}
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tlatd = fndeg(tmp4[0], tmp4[1], tmp4[2]);
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rl.question("收信点经度（度，分，秒）=", function(tmp5) {
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tmp5 = tmp5.toString().split(",")
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let tmp6 = [];
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for (let i=0;i<tmp5.length;i++) {
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tmp6.push(parseInt(tmp5[i]))
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}
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rlongd = fndeg(tmp6[0], tmp6[1], tmp6[2]);
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rl.question("收信点纬度（度，分，秒）=", function(tmp7) {
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tmp7 = tmp7.toString().split(",")
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let tmp8 = [];
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for (let i=0;i<tmp7.length;i++) {
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tmp8.push(parseInt(tmp7[i]))
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}
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rlatd = fndeg(tmp8[0], tmp8[1], tmp8[2]);
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let temp = calc(tlongd, tlatd, rlongd, rlatd);
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let gcdkm = temp[0];
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let btrd = temp[1];
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let brtd = temp[2];
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console.log("大圆距离为" + gcdkm + "(km)");
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d = Math.trunc(btrd);
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m = Math.trunc((btrd - d) * 60);
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s = (btrd - d - m / 60) * 3600;
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console.log("发信点对收信点的方位角为" + d + "度" + m + "分" + s + "秒");
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d = Math.trunc(brtd);
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m = Math.trunc((brtd - d) * 60);
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s = (brtd - d - m / 60) * 3600;
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console.log("收信点对发信点的方位角为" + d + "度" + m + "分" + s + "秒");
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process.exit(0);
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});
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});
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});
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});
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}
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main()
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