public void TestCoverage() { IBM.ICU.Util.GregorianCalendar cal = new IBM.ICU.Util.GregorianCalendar(1958, IBM.ICU.Util.Calendar.AUGUST, 15); DateTime then = cal.GetTime(); CalendarAstronomer myastro = new CalendarAstronomer(then); // Latitude: 34 degrees 05' North // Longitude: 118 degrees 22' West double laLat = 34 + 5d / 60, laLong = 360 - (118 + 22d / 60); CalendarAstronomer myastro2 = new CalendarAstronomer(laLong, laLat); double eclLat = laLat * System.Math.PI / 360; double eclLong = laLong * System.Math.PI / 360; IBM.ICU.Impl.CalendarAstronomer.Ecliptic ecl = new IBM.ICU.Impl.CalendarAstronomer.Ecliptic(eclLat, eclLong); Logln("ecliptic: " + ecl); CalendarAstronomer myastro3 = new CalendarAstronomer(); myastro3.SetJulianDay((4713 + 2000) * 365.25d); CalendarAstronomer[] astronomers = { myastro, myastro2, myastro3, myastro2 // check cache }; for (int i = 0; i < astronomers.Length; ++i) { CalendarAstronomer astro = astronomers[i]; Logln("astro: " + astro); Logln(" time: " + astro.GetTime()); Logln(" date: " + astro.GetDate()); Logln(" cent: " + astro.GetJulianCentury()); Logln(" gw sidereal: " + astro.GetGreenwichSidereal()); Logln(" loc sidereal: " + astro.GetLocalSidereal()); Logln(" equ ecl: " + astro.EclipticToEquatorial(ecl)); Logln(" equ long: " + astro.EclipticToEquatorial(eclLong)); Logln(" horiz: " + astro.EclipticToHorizon(eclLong)); Logln(" sunrise: " + DateUtil.DateFromJavaMillis(astro.GetSunRiseSet(true))); Logln(" sunset: " + DateUtil.DateFromJavaMillis(astro.GetSunRiseSet(false))); Logln(" moon phase: " + astro.GetMoonPhase()); Logln(" moonrise: " + DateUtil.DateFromJavaMillis(astro.GetMoonRiseSet(true))); Logln(" moonset: " + DateUtil.DateFromJavaMillis(astro.GetMoonRiseSet(false))); Logln(" prev summer solstice: " + DateUtil.DateFromJavaMillis(astro.GetSunTime( IBM.ICU.Impl.CalendarAstronomer.SUMMER_SOLSTICE, false))); Logln(" next summer solstice: " + DateUtil.DateFromJavaMillis(astro.GetSunTime( IBM.ICU.Impl.CalendarAstronomer.SUMMER_SOLSTICE, true))); Logln(" prev full moon: " + DateUtil.DateFromJavaMillis(astro.GetMoonTime(IBM.ICU.Impl.CalendarAstronomer.FULL_MOON, false))); Logln(" next full moon: " + DateUtil.DateFromJavaMillis(astro.GetMoonTime(IBM.ICU.Impl.CalendarAstronomer.FULL_MOON, true))); } }
public void TestSunriseTimes() { // logln("Sunrise/Sunset times for San Jose, California, USA"); // CalendarAstronomer astro = new CalendarAstronomer(-121.55, 37.20); // TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles"); // We'll use a table generated by the UNSO website as our reference // From: http://aa.usno.navy.mil/ // -Location: W079 25, N43 40 // -Rise and Set for the Sun for 2001 // -Zone: 4h West of Greenwich int[] USNO = { 6, 59, 19, 45, 6, 57, 19, 46, 6, 56, 19, 47, 6, 54, 19, 48, 6, 52, 19, 49, 6, 50, 19, 51, 6, 48, 19, 52, 6, 47, 19, 53, 6, 45, 19, 54, 6, 43, 19, 55, 6, 42, 19, 57, 6, 40, 19, 58, 6, 38, 19, 59, 6, 36, 20, 0, 6, 35, 20, 1, 6, 33, 20, 3, 6, 31, 20, 4, 6, 30, 20, 5, 6, 28, 20, 6, 6, 27, 20, 7, 6, 25, 20,8, 6, 23, 20, 10, 6, 22, 20, 11, 6, 20, 20, 12, 6, 19, 20, 13, 6, 17, 20, 14, 6, 16, 20, 16, 6, 14, 20, 17, 6, 13, 20, 18, 6, 11, 20, 19, }; Logln("Sunrise/Sunset times for Toronto, Canada"); CalendarAstronomer astro = new CalendarAstronomer(-(79 + 25 / 60), 43 + 40 / 60); // As of ICU4J 2.8 the ICU4J time zones implement pass-through // to the underlying JDK. Because of variation in the // underlying JDKs, we have to use a fixed-offset // SimpleTimeZone to get consistent behavior between JDKs. // The offset we want is [-18000000, 3600000] (raw, dst). // [aliu 10/15/03] // TimeZone tz = TimeZone.getTimeZone("America/Montreal"); IBM.ICU.Util.TimeZone tz = new SimpleTimeZone(-18000000 + 3600000, "Montreal(FIXED)"); IBM.ICU.Util.GregorianCalendar cal = new IBM.ICU.Util.GregorianCalendar(tz, Locale.US); IBM.ICU.Util.GregorianCalendar cal2 = new IBM.ICU.Util.GregorianCalendar(tz, Locale.US); cal.Clear(); cal.Set(IBM.ICU.Util.Calendar.YEAR, 2001); cal.Set(IBM.ICU.Util.Calendar.MONTH, IBM.ICU.Util.Calendar.APRIL); cal.Set(IBM.ICU.Util.Calendar.DAY_OF_MONTH, 1); cal.Set(IBM.ICU.Util.Calendar.HOUR_OF_DAY, 12); // must be near local noon for // getSunRiseSet to work IBM.ICU.Text.DateFormat df = IBM.ICU.Text.DateFormat.GetTimeInstance(cal, IBM.ICU.Text.DateFormat.MEDIUM, Locale.US); IBM.ICU.Text.DateFormat df2 = IBM.ICU.Text.DateFormat.GetDateTimeInstance(cal, IBM.ICU.Text.DateFormat.MEDIUM, IBM.ICU.Text.DateFormat.MEDIUM, Locale.US); IBM.ICU.Text.DateFormat day = IBM.ICU.Text.DateFormat.GetDateInstance(cal, IBM.ICU.Text.DateFormat.MEDIUM, Locale.US); for (int i = 0; i < 30; i++) { astro.SetDate(cal.GetTime()); DateTime sunrise = DateUtil.DateFromJavaMillis(astro.GetSunRiseSet(true)); DateTime sunset = DateUtil.DateFromJavaMillis(astro.GetSunRiseSet(false)); cal2.SetTime(cal.GetTime()); cal2.Set(IBM.ICU.Util.Calendar.SECOND, 0); cal2.Set(IBM.ICU.Util.Calendar.MILLISECOND, 0); cal2.Set(IBM.ICU.Util.Calendar.HOUR_OF_DAY, USNO[4 * i + 0]); cal2.Set(IBM.ICU.Util.Calendar.MINUTE, USNO[4 * i + 1]); DateTime exprise = cal2.GetTime(); cal2.Set(IBM.ICU.Util.Calendar.HOUR_OF_DAY, USNO[4 * i + 2]); cal2.Set(IBM.ICU.Util.Calendar.MINUTE, USNO[4 * i + 3]); DateTime expset = cal2.GetTime(); // Compute delta of what we got to the USNO data, in seconds int deltarise = Math.Abs((int)((sunrise.Ticks / 10000) - (exprise.Ticks / 10000)) / 1000); int deltaset = Math.Abs((int)((sunset.Ticks / 10000) - (expset.Ticks / 10000)) / 1000); // Allow a deviation of 0..MAX_DEV seconds // It would be nice to get down to 60 seconds, but at this // point that appears to be impossible without a redo of the // algorithm using something more advanced than Duffett-Smith. int MAX_DEV = 180; if (deltarise > MAX_DEV || deltaset > MAX_DEV) { if (deltarise > MAX_DEV) { Errln("FAIL: " + day.Format(cal.GetTime()) + ", Sunrise: " + df2.Format(sunrise) + " (USNO " + df.Format(exprise) + " d=" + deltarise + "s)"); } else { Logln(day.Format(cal.GetTime()) + ", Sunrise: " + df.Format(sunrise) + " (USNO " + df.Format(exprise) + ")"); } if (deltaset > MAX_DEV) { Errln("FAIL: " + day.Format(cal.GetTime()) + ", Sunset: " + df2.Format(sunset) + " (USNO " + df.Format(expset) + " d=" + deltaset + "s)"); } else { Logln(day.Format(cal.GetTime()) + ", Sunset: " + df.Format(sunset) + " (USNO " + df.Format(expset) + ")"); } } else { Logln(day.Format(cal.GetTime()) + ", Sunrise: " + df.Format(sunrise) + " (USNO " + df.Format(exprise) + ")" + ", Sunset: " + df.Format(sunset) + " (USNO " + df.Format(expset) + ")"); } cal.Add(IBM.ICU.Util.Calendar.DATE, 1); } // CalendarAstronomer a = new CalendarAstronomer(-(71+5/60), 42+37/60); // cal.clear(); // cal.set(cal.YEAR, 1986); // cal.set(cal.MONTH, cal.MARCH); // cal.set(cal.DATE, 10); // cal.set(cal.YEAR, 1988); // cal.set(cal.MONTH, cal.JULY); // cal.set(cal.DATE, 27); // a.setDate(cal.getTime()); // long r = a.getSunRiseSet2(true); }