mirror of
https://github.com/eddyem/bta-panels.git
synced 2025-12-06 02:35:17 +03:00
72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
globCalc = function(){
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var SAOlat = 43.653528; // SAO latitude 43 39 12.7
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var SAOlong = 41.4414375;// SAO longitude 41 26 29.175
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var PI = Math.PI;
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var _2deg = 180/PI;
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var Tmout;
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function $(x){return document.getElementById(x);}
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function init(){
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/*chaddtxt();
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$('timeplus').onchange = chaddtxt;*/
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recalculate();
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}
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function chval(id, val){document.getElementById(id).innerHTML = val;}
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function chcls(id, cls){document.getElementById(id).className = cls;}
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function chvalcls(id, val, cls){chval(id, val); chcls('Sun', cls + " border");}
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function chaddtxt(){
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var v = $('timeplus').value, h = Math.floor(v/60), m = v-h*60;
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chval('addto', _2(h)+":"+_2(m)+":00");
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}
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function recalculate(){
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clearTimeout(Tmout);
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var d = new Date();
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/* d.setTime(d.getTime() + $('timeplus').value*60000);
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chval('Date', formatDate(d));
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chval('Time', formatTime(d));
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chval('JD', Math.round(NOAAcalc.calcJD(d)*100000)/100000);*/
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var SunPos = NOAAcalc.getSunPosition(d, SAOlat, SAOlong);
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var MoonPos = NOAAcalc.getMoonPosition(d, SAOlat, SAOlong);
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delete d;
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var alt = SunPos.altitude, az = SunPos.azimuth;
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// chval('SunA', formatAngle(az));
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chval('SunH', Math.round(alt*10)/10 + "°");
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chval('MoonA', Math.round(MoonPos.azimuth) + "°");
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chval('MoonZ', Math.round(MoonPos.zenith) + "°");
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// astronomical twilight
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alt *= _2deg;
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if(alt < -18) chvalcls('daytime', "night", "Black");
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else if(alt < -12) chvalcls('daytime', "astronomical twilight", "Gray");
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else if(alt < -6) chvalcls('daytime', "nautical twilight", "LGray");
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else if(alt < -0.833) chvalcls('daytime', "civil twilight", "Yellow");
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else if(alt < -0.3) chvalcls('daytime', az < 0 ? "sunrise" : "sunset", "Red");
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else chvalcls('daytime', "day", "White");
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//chval('STfix', Math.round(SunPos.solarTimeFix*1000)/1000);
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Tmout = setTimeout(recalculate, 1000);
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}
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function _2(num){
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var A = Math.round(num).toString();
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if(A.length > 1) return A;
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else return ("00" + A).slice(-2);
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}
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function formatDate(date){
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if(date.toLocaleFormat) return date.toLocaleFormat("%d.%m.%Y");
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else
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return _2(date.getDate())+"."+_2(1+date.getMonth())+"."+date.getFullYear();
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}
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function formatTime(date){
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if(date.toLocaleFormat) return date.toLocaleFormat("%H:%M:%S");
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else
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return _2(date.getHours())+":"+_2(date.getMinutes())+":"+_2(date.getSeconds());
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}
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function formatAngle(ang){
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var neg = ang > 0 ? 0 : 1;
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ang = Math.abs(ang);
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var rnd = Math.floor;
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var deg = rnd(ang), mn = rnd((ang-deg)*60), sc = Math.round((ang-deg-mn/60)*3600);
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return (neg?"-":"")+_2(deg)+":"+_2(mn)+":"+_2(sc);
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}
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return{
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init : init
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};
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}();
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