276 lines
11 KiB
C++
276 lines
11 KiB
C++
#include <fstream>
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#include <iostream>
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// #include "../mcc_coord.h"
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#include "../mcc_mount_astro_erfa.h"
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#include "../mcc_mount_pz.h"
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#include "../mount_astrom.h"
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// BTA coords from maps.yandex.ru: 43.646711, 41.440732
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struct tel_data_t {
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typedef mcc::MccAngle coord_t;
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typedef std::chrono::system_clock::time_point time_point_t;
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coord_t mntRA, mntDEC, mntHA;
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coord_t mntAZ, mntALT;
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coord_t mntPosX, mntPosY;
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};
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int main(int argc, char* argv[])
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{
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int ecode = 0;
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// if (argc < 2) {
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// std::cerr << "Usage: " << argv[0] << " bulletinA-filename\n";
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// exit(1);
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// }
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// std::ifstream ist(argv[1]);
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// if (!ist) {
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// std::cerr << "Invalid filename!\n";
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// exit(1);
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// }
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// mcc::astrom::MccIersBulletinA bullA;
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// bullA.dump(std::cout);
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// std::cout << "\n\n";
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// mcc::astrom::MccLeapSeconds lps;
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// lps.dump(std::cout);
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// std::cout << "\n\n";
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// bool ok = bullA.load(ist);
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// bullA.dump(std::cerr);
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// ist.close();
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// std::cout << "\n\n\n------------------\n";
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// constexpr auto nnn = mcc::astrom::MccLeapSeconds::real_secs_t{std::numeric_limits<double>::quiet_NaN()};
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auto now = std::chrono::system_clock::now();
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// // std::cout << "LEAP SECS for now: " << lps[now].value_or(std::numeric_limits<double>::quiet_NaN()) << "\n";
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// std::cout << "LEAP SECS for now: " << lps[now].value_or(nnn) << "\n";
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// // std::cout << "DUT1 for now: " << bullA.DUT1(now).value_or(std::numeric_limits<double>::quiet_NaN()) << " (" <<
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// // now
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// std::cout << "DUT1 for now: " << bullA.DUT1(now).value_or(nnn) << " (" << now << ")\n";
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// double mjd = 61077.4;
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// // std::cout << "DUT1 for MJD = " << mjd << ": " <<
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// // bullA.DUT1(mjd).value_or(std::numeric_limits<double>::quiet_NaN())
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// std::cout << "DUT1 for MJD = " << mjd << ": " << bullA.DUT1(mjd).value_or(nnn) << "\n";
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// auto st = mcc::astrom::mcc_julday(now, mjd);
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// std::cout << "MJD for now: " << std::setprecision(19) << mjd << " (" << now << ")\n";
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// // double pres = 786.6;
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// // double temp = 0.0;
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// // double hum = 0.8;
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// // double A, B;
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// // erfa::eraRefco(pres, temp, hum, 0.5, &A, &B);
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// // const double rr = 180.0 / std::numbers::pi * 60.0;
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// // std::cout << "A(arcmin) = " << A * rr << "; B(arcmin) = " << B * rr << "\n";
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// float alt_lim = 10.0;
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// std::string_view ra_str = "06:30:00.0", dec_str = "00:00:00.0";
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// std::cout << "\n\nTimes to object (RA = " << ra_str << ", DEC = " << dec_str << ") sets to given altitude ("
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// << alt_lim << " degrees):\n";
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// using namespace std::chrono_literals;
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// // auto stm = mcc::astrom::mcc_time_to_alt_limit(alt_lim, ra_str, dec_str, 43.646711, 41.440732,
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// // std::chrono::system_clock::now(), 0.041s, 32.184s, 37.0s);
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// // auto stm_d = mcc::astrom::mcc_chrono_radians{stm};
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// // std::cout << "STM: " << stm * 12.0 / std::numbers::pi * 60.0 << " minutes\n";
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// // std::cout << "STM: " << std::chrono::duration_cast<std::chrono::minutes>(stm) << " minutes\n";
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// alt_lim = 85.0;
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// ra_str = "02:30:00.0", dec_str = "45:00:00.0";
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// std::cout << "\n\nTimes to object (RA = " << ra_str << ", DEC = " << dec_str << ") sets to given altitude ("
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// << alt_lim << " degrees):\n";
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// auto stm =
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// mcc::astrom::mcc_time_to_alt({alt_lim, mcc::mcc_degrees}, {ra_str, mcc::mcc_hms}, dec_str, 43.646711_degs,
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// 41.440732_degs, std::chrono::system_clock::now(), 0.041s, 32.184s, 37.0s);
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// // stm = mcc::astrom::mcc_time_to_alt_limit(alt_lim, ra_str, dec_str, 43.646711, 41.440732,
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// // std::chrono::system_clock::now(), 0.041s, 32.184s, 37.0s);
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// // auto stm_d = mcc::astrom::mcc_chrono_radians{stm};
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// // std::cout << "STM: " << stm * 12.0 / std::numbers::pi * 60.0 << " minutes\n";
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// std::cout << "STM: " << stm.first << ", " << stm.second << " seconds\n";
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// std::cout << "STM: " << std::chrono::duration_cast<std::chrono::minutes>(stm.first) << ", "
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// << std::chrono::duration_cast<std::chrono::minutes>(stm.second) << " minutes\n";
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// std::cout << "\n\n\n";
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// const size_t N = 1000;
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// double mjds[N];
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// now = std::chrono::system_clock::now();
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// st = mcc::astrom::mcc_julday(now, mjds, std::chrono::milliseconds(100));
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// std::cout << std::format("comp time for {} MJDs = {}\n", N, std::chrono::system_clock::now() - now);
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// std::cout << std::format("MIN MJD: {:.16f}; \nMAX MJD: {:.16f}\n", mjds[0], mjds[N - 1]);
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// double elong = 43.646711 * std::numbers::pi / 180.0;
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// double phi = 41.440732 * std::numbers::pi / 180.0;
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// double aob, zob, hob, dob, rob, eo;
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// now = std::chrono::system_clock::now();
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// for (auto& el : mjds) {
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// st = mcc::astrom::erfa::eraAtco13(1.343523, 0.32352345, 0.0, 0.0, 0.0, 0.0, ERFA_DJM0, el, 0.041, elong, phi,
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// 2100.0, 0.0, 0.0, 700.0, 10.0, 0.8, 0.5, &aob, &zob, &hob, &dob, &rob,
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// &eo);
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// // st = erfa::eraAtco13(1.343523, 0.32352345, 0.0, 0.0, 0.0, 0.0, ERFA_DJM0, el, 0.041, elong, phi, 2100.0,
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// 0.0,
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// // 0.0, 700.0, 10.0, 0.8, 0.5, &aob, &zob, &hob, &dob, &rob, &eo);
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// }
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// std::cout << std::format(
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// "comp time for {} coordinate transf = {}\n", N,
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// std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - now));
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// std::cout << "\n\n\nMccCoordinate class test:\n";
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// mcc::MccAngle ra("12:00:00", mcc::mcc_hms);
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// std::cout << "sin(12h) = " << std::sin(ra) << "\n";
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// std::cout << "cos(12h) = " << std::cos(ra) << "\n";
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// ra = "18:00:00"_hms;
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// std::cout << "sin(18h) = " << std::sin(ra) << "\n";
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// std::cout << "cos(18h) = " << std::cos(ra) << "\n";
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// ra = mcc::MccAngle{45.0, mcc::mcc_degrees};
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// std::cout << "sin(45) = " << std::sin(ra) << "\n";
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// std::cout << "cos(45) = " << std::cos(ra) << "\n";
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// std::cout << ra.sexagesimal(false, 4) << "\n";
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// std::cout << "\n\n\n\n";
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using engine_t = mcc::astrom::erfa::MccMountAstromEngineERFA<>;
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engine_t::engine_state_t state;
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state.lon = 41.440732_degs;
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state.lat = 43.646711_degs;
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state.elev = 2100.0;
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state.meteo = {10.0, 0.5, 1010.0};
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std::cout << "LON = " << state.lon.sexagesimal() << "\n";
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std::cout << "LAT = " << state.lat.sexagesimal() << "\n\n";
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engine_t erfa(state);
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engine_t::juldate_t jd{60861.72};
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now = std::chrono::system_clock::now();
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erfa.greg2jul(now, jd);
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std::cout << "MJD(" << now << ") = " << jd.mjd << "\n";
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mcc::MccAngle lst;
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erfa.apparentSiderTime(jd, lst, true);
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std::cout << "LST(MJD = " << jd.mjd << ") = " << lst.sexagesimal(true) << "\n\n";
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// mcc::MccAngle ra1{"10:00:00", mcc::mcc_hms}, dec1{"68:25:10.43"}, ra_o, dec_o, ha1, az1, alt1;
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mcc::MccAngle ra1{"5:00:00", mcc::mcc_hms}, dec1{"38:25:10.43"}, ra_o, dec_o, ha1, az1, alt1;
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mcc::MccAngle eor;
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std::cout << "RA = " << ra1.sexagesimal(true) << ", DEC = " << dec1.sexagesimal() << "\n";
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auto res = erfa.icrs2obs(ra1, dec1, jd, ra_o, dec_o, ha1, az1, alt1, eor);
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std::cout << "eq of origins (from icrs2obs) = " << eor.sexagesimal(true) << "\n";
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std::cout << "ret code (icrs2obs) = " << res.message() << "\n";
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std::cout << "alt = " << alt1.sexagesimal() << "\n";
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std::cout << "az = " << az1.sexagesimal() << "\n";
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std::cout << "HA_app = " << ha1.sexagesimal(true) << "\n";
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std::cout << "RA_app = " << ra_o.sexagesimal(true) << "\n";
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std::cout << "DEC_app = " << dec_o.sexagesimal() << "\n";
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res = erfa.eqOrigins(jd, eor);
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std::cout << "eq of origins (from eqOrigins) = " << eor.sexagesimal(true) << "\n";
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std::cout << "RA_app_comp = " << (lst - ha1 + eor).sexagesimal(true) << "\n";
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std::cout << "\n\n\n\n";
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mcc::MccMinAltPZ minalt_pz(10.0_degs, state.lat);
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mcc::MccMaxAltPZ maxalt_pz(85.0_degs, state.lat);
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tel_data_t tdata{ra_o, dec_o, ha1, az1, alt1, 0.0, 0.0};
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bool ask = minalt_pz.inZone(tdata);
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std::cout << "in zone? " << std::boolalpha << ask << "\n";
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auto tm = minalt_pz.timeTo(tdata);
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if (std::isinf(tm.count())) {
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std::cout << "(MINALT) time to zone: the object never reaches the zone!\n";
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} else {
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auto now1 = now + std::chrono::duration_cast<decltype(now)::duration>(tm);
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std::cout << "(MINALT) time to zone: " << std::chrono::hh_mm_ss(tm) << " (" << now1 << ")\n";
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}
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tm = minalt_pz.timeFrom(tdata);
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if (std::isinf(tm.count())) {
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std::cout << "(MINALT) time from zone: the object never reaches the zone!\n";
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} else {
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auto now1 = now + std::chrono::duration_cast<decltype(now)::duration>(tm);
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std::cout << "(MINALT) time from zone: " << std::chrono::hh_mm_ss(tm) << " (" << now1 << ")\n";
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}
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std::cout << "\n";
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ra1 = "17:00:00"_hms;
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dec1 = "40:25:10.43"_dms;
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res = erfa.icrs2obs(ra1, dec1, jd, ra_o, dec_o, ha1, az1, alt1, eor);
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std::cout << "ret code (icrs2obs) = " << res.message() << "\n";
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std::cout << "alt = " << alt1.sexagesimal() << "\n";
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std::cout << "az = " << az1.sexagesimal() << "\n";
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std::cout << "HA_app = " << ha1.sexagesimal(true) << "\n";
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std::cout << "RA_app = " << ra_o.sexagesimal(true) << "\n";
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std::cout << "DEC_app = " << dec_o.sexagesimal() << "\n";
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tdata = {ra_o, dec_o, ha1, az1, alt1, 0.0, 0.0};
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jd.mjd += 1.0;
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res = erfa.icrs2obs(ra1, dec1, jd, ra_o, dec_o, ha1, az1, alt1, eor);
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std::cout << "RA_app (+24h) = " << ra_o.sexagesimal(true) << "\n";
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tm = maxalt_pz.timeTo(tdata);
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if (std::isinf(tm.count())) {
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std::cout << "(MAXALT) time to zone: the object never reaches the zone!\n";
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} else {
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// auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(tm);
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auto now1 = now + std::chrono::duration_cast<decltype(now)::duration>(tm);
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// auto now1 = now + ns;
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std::cout << "(MAXALT) time to zone: " << std::chrono::hh_mm_ss(tm) << " (" << now1 << ")\n";
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}
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tm = maxalt_pz.timeFrom(tdata);
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if (std::isinf(tm.count())) {
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std::cout << "(MAXALT) time from zone: the object never reaches the zone!\n";
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} else {
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auto now1 = now + std::chrono::duration_cast<decltype(now)::duration>(tm);
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std::cout << "(MAXALT) time from zone: " << std::chrono::hh_mm_ss(tm) << " (" << now1 << ")\n";
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}
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ra_o = 1.0;
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dec_o = 2.0;
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ha1 = ra_o * dec_o;
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std::cout << "mult: " << ha1.degrees() << "\n";
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return ecode;
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}
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