public double GetPlanetHouse(double longitudeTropical, double julianDate, GCEarthData earth)
{
double longitudeSidereal = longitudeTropical - GCAyanamsha.GetAyanamsa(julianDate);
double firstHouseStart = earth.GetAscendantDegrees(julianDate) - 15.0;
return(GCMath.putIn360(longitudeSidereal - firstHouseStart) / 30.0);
}
public static int GetNextYogaStart(GCEarthData ed, GregorianDateTime startDate, out GregorianDateTime nextDate)
{
double phi = 40.0 / 3.0;
double l1, l2, longitudeSun;
double jday = startDate.GetJulianComplete();
double xj;
double longitudeMoon;
GregorianDateTime d = new GregorianDateTime();
d.Set(startDate);
GregorianDateTime xd = new GregorianDateTime();
double scan_step = 0.5;
int prev_tit = 0;
int new_tit = -1;
double ayanamsha = GCAyanamsha.GetAyanamsa(jday);
longitudeMoon = GCCoreAstronomy.GetMoonLongitude(d, ed);
longitudeSun = GCCoreAstronomy.GetSunLongitude(d, ed);
l1 = GCMath.putIn360(longitudeMoon + longitudeSun - 2 * ayanamsha);
prev_tit = Convert.ToInt32(Math.Floor(l1 / phi));
int counter = 0;
while (counter < 20)
{
xj = jday;
xd.Set(d);
jday += scan_step;
d.shour += scan_step;
if (d.shour > 1.0)
{
d.shour -= 1.0;
d.NextDay();
}
longitudeMoon = GCCoreAstronomy.GetMoonLongitude(d, ed);
longitudeSun = GCCoreAstronomy.GetSunLongitude(d, ed);
l2 = GCMath.putIn360(longitudeMoon + longitudeSun - 2 * ayanamsha);
new_tit = Convert.ToInt32(Math.Floor(l2 / phi));
if (prev_tit != new_tit)
{
jday = xj;
d.Set(xd);
scan_step *= 0.5;
counter++;
continue;
}
else
{
l1 = l2;
}
}
nextDate = d;
return(new_tit);
}
public static int GetNextMoonRasi(GCEarthData ed, GregorianDateTime startDate, out GregorianDateTime nextDate)
{
double phi = 30.0;
double l1, l2, longitudeMoon;
double jday = startDate.GetJulianComplete();
GregorianDateTime d = new GregorianDateTime();
d.Set(startDate);
double ayanamsa = GCAyanamsha.GetAyanamsa(jday);
double scan_step = 0.5;
int prev_naks = 0;
int new_naks = -1;
double xj;
GregorianDateTime xd = new GregorianDateTime();
longitudeMoon = GCCoreAstronomy.GetMoonLongitude(d, ed);
l1 = GCMath.putIn360(longitudeMoon - ayanamsa);
prev_naks = GCMath.IntFloor(l1 / phi);
int counter = 0;
while (counter < 20)
{
xj = jday;
xd.Set(d);
jday += scan_step;
d.shour += scan_step;
if (d.shour > 1.0)
{
d.shour -= 1.0;
d.NextDay();
}
longitudeMoon = GCCoreAstronomy.GetMoonLongitude(d, ed);
l2 = GCMath.putIn360(longitudeMoon - ayanamsa);
new_naks = GCMath.IntFloor(l2 / phi);
if (prev_naks != new_naks)
{
jday = xj;
d.Set(xd);
scan_step *= 0.5;
counter++;
continue;
}
else
{
l1 = l2;
}
}
nextDate = new GregorianDateTime();
nextDate.Set(d);
return(new_naks);
}
/// <summary>
///
/// </summary>
/// <param name="julianDateUTC">This contains time UTC, that means time observed on Greenwich meridian. DateTime in other
/// timezones should be converted into timezone UTC+0h before using in this method.</param>
/// <returns></returns>
public double GetAscendantDegrees(double julianDateUTC)
{
double A = GCEarthData.SiderealTimeLocal(julianDateUTC, longitudeDeg, OffsetUtcHours * 15.0);
double E = 23.4392911;
double ascendant = GCMath.arcTan2Deg(-GCMath.cosDeg(A), GCMath.sinDeg(A) * GCMath.cosDeg(E) + GCMath.tanDeg(latitudeDeg) * GCMath.sinDeg(E));
if (ascendant < 180)
{
ascendant += 180;
}
else
{
ascendant -= 180;
}
return(GCMath.putIn360(ascendant - GCAyanamsha.GetAyanamsa(julianDateUTC)));
}
/*********************************************************************/
/* Finds next time when rasi is changed */
/* */
/* startDate - starting date and time, timezone member must be valid */
/* zodiac [out] - found zodiac sign into which is changed */
/* */
/*********************************************************************/
public static GregorianDateTime GetNextSankranti(GregorianDateTime startDate, GCEarthData earth, out int zodiac)
{
GregorianDateTime d = new GregorianDateTime();
double step = 1.0;
int count = 0;
double ld, prev;
int prev_rasi, new_rasi;
GregorianDateTime prevday;
d.Set(startDate);
//d.ChangeTimeZone(0.0);
//d.shour = 0.0;
zodiac = 0;
prev = GCMath.putIn360(GCCoreAstronomy.GetSunLongitude(d, earth) - GCAyanamsha.GetAyanamsa(d.GetJulian()));
prev_rasi = GCMath.IntFloor(prev / 30.0);
while (count < 20)
{
prevday = new GregorianDateTime();
prevday.Set(d);
d.shour += step;
if (d.shour > 1.0)
{
d.shour -= 1.0;
d.NextDay();
}
ld = GCMath.putIn360(GCCoreAstronomy.GetSunLongitude(d, earth) - GCAyanamsha.GetAyanamsa(d.GetJulian()));
new_rasi = GCMath.IntFloor(ld / 30.0);
if (prev_rasi != new_rasi)
{
zodiac = new_rasi;
//v uplynulom dni je sankranti
step *= 0.5;
d.Set(prevday);
count++;
continue;
}
}
return(d);
}
/*********************************************************************/
/* */
/* Calculation of tithi, paksa, naksatra, yoga for given */
/* Gregorian date */
/* */
/* */
/*********************************************************************/
public int DayCalc(GregorianDateTime date, GCEarthData earth)
{
double d;
// sun position on sunrise on that day
sunRise = GCSunData.CalcSunrise(date, earth);
sunSet = GCSunData.CalcSunset(date, earth);
// arunodaya is 96 min before sunrise
// sunrise_deg is from range 0-360 so 96min=24deg
sunArunodaya.TotalDays = sunRise.TotalDays - 96 / 1440.0;
sunArunodaya.longitude = sunRise.longitude - (24.0 / 365.25);
// noon
sunNoon.TotalDays = (sunSet.TotalDays + sunRise.TotalDays) / 2;
sunNoon.longitude = (sunRise.longitude + sunSet.longitude) / 2;
date.shour = sunRise.TotalDays;
// date.shour is [0..1] time of sunrise in local timezone time
this.JulianDay = date.GetJulianDetailed();
// moon position at sunrise on that day
sunRise.longitudeMoon = GCCoreAstronomy.GetMoonLongitude(date, earth);
this.Ayanamsa = GCAyanamsha.GetAyanamsa(this.JulianDay);
sunArunodaya.Ayanamsa = this.Ayanamsa;
sunRise.Ayanamsa = this.Ayanamsa;
sunNoon.Ayanamsa = this.Ayanamsa;
sunSet.Ayanamsa = this.Ayanamsa;
// masa
this.Masa = -1;
date.shour = sunSet.TotalDays;
sunSet.longitudeMoon = GCCoreAstronomy.GetMoonLongitude(date, earth);
date.shour = sunArunodaya.TotalDays;
sunArunodaya.longitudeMoon = GCCoreAstronomy.GetMoonLongitude(date, earth);
return(1);
}
public double FindNextRasiChange(double startJD, double endJD, int bodyId, out int nNextRasi)
{
double jd = startJD;
double A, B, B1;
int C, D;
double step = 1.0;
A = (GCVSOPAstronomy.GetPlanetLongitude(bodyId, jd) - GCAyanamsha.GetAyanamsa(jd)) / 30.0;
jd += step;
B1 = A;
B = (GCVSOPAstronomy.GetPlanetLongitude(bodyId, jd) - GCAyanamsha.GetAyanamsa(jd)) / 30.0;
C = GCMath.IntFloor(A);
D = GCMath.IntFloor(B);
while (jd < endJD && Math.Abs(B1 - B) >= 1 / 86400.0)
{
if (C == D)
{
// goto next date
A = B;
C = D;
}
else if (C < D)
{
jd = jd - step;
step *= (D - A) / (B - A);
}
else // C > D
{
jd = jd - step;
step *= (C - B) / (A - B);
}
jd += step;
B1 = B;
B = (GCVSOPAstronomy.GetPlanetLongitude(bodyId, jd) - GCAyanamsha.GetAyanamsa(jd)) / 30.0;
D = GCMath.IntFloor(B);
}
nNextRasi = GCMath.IntFloor((GCVSOPAstronomy.GetPlanetLongitude(bodyId, jd + 0.1) - GCAyanamsha.GetAyanamsa(jd)) / 30.0);
return(jd);
}
public void CalculateEvents(GCLocation loc, int nYear)
{
//GCSunData sun = new GCSunData();
//DstTypeChange ndst = DstTypeChange.DstOff;
int nData;
TResultCoreEvents inEvents = this;
this.Clear();
this.EarthLocation = loc;
this.Year = nYear;
GregorianDateTime vcStart = new GregorianDateTime(Year - 1, 12, 29);
GregorianDateTime vcEnd = new GregorianDateTime(Year + 1, 1, 2);
GregorianDateTime vc = new GregorianDateTime();
GregorianDateTime vcAdd = new GregorianDateTime(), vcNext = new GregorianDateTime();
GCEarthData earth = loc.GetEarthData();
vc.Set(vcStart);
vc.TimezoneHours = loc.OffsetUtcHours;
vcAdd.Set(vc);
vcAdd.InitWeekDay();
/*while (vcAdd.IsBeforeThis(vcEnd))
* {
* ndst = loc.TimeZone.DetermineDaylightChange(vcAdd);
* vcAdd.NextDay();
* }*/
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_TITHI) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCTithi.GetNextTithiStart(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
//vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_TITHI, nData);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_NAKSATRA) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCNaksatra.GetNextNaksatra(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
//vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_NAKS, nData);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YOGA) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCYoga.GetNextYogaStart(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
//vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_YOGA, nData);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SANKRANTI) != 0)
{
vcNext = new GregorianDateTime();
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
vcNext.Set(GCSankranti.GetNextSankranti(vcAdd, earth, out nData));
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
//vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_SANK, nData);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.NextDay();
}
}
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOONRASI) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCMoonData.GetNextMoonRasi(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
//vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RASI, nData);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.5;
vcAdd.NormalizeValues();
}
}
if (Full || GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_CONJUNCTION) != 0)
{
double dlong;
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
dlong = GCConjunction.GetNextConjunction(vcAdd, out vcNext, true, earth);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
//ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_CONJ, GCRasi.GetRasi(dlong, GCAyanamsha.GetAyanamsa(vcNext.GetJulianComplete())));
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.NextDay();
}
}
inEvents.Sort();
}
/// <summary>
/// Main function for CALENDAR calculations
/// </summary>
/// <param name="loc"></param>
/// <param name="begDate"></param>
/// <param name="iCount"></param>
/// <returns></returns>
public int CalculateCalendar(GCLocation loc, GregorianDateTime begDate, int iCount)
{
int i, weekday;
int nTotalCount = BEFORE_DAYS + iCount + BEFORE_DAYS;
GregorianDateTime date;
GCEarthData earth;
int lastMasa = 0;
int lastGYear = 0;
String tempStr;
bool bCalcMoon = (GCDisplaySettings.Current.getValue(4) > 0 || GCDisplaySettings.Current.getValue(5) > 0);
m_nCount = 0;
m_Location = loc;
m_vcStart = new GregorianDateTime(begDate);
m_vcCount = iCount;
earth = loc.GetEarthData();
// alokacia pola
m_pData = new VAISNAVADAY[nTotalCount];
// inicializacia poctovych premennych
m_nCount = nTotalCount;
m_PureCount = iCount;
date = new GregorianDateTime();
date.Set(begDate);
date.shour = 0.0;
date.TimezoneHours = loc.OffsetUtcHours;
date.SubtractDays(BEFORE_DAYS);
date.InitWeekDay();
weekday = date.dayOfWeek;
GCFestivalSpecialExecutor exec = new GCFestivalSpecialExecutor(this);
long utcDayStart = -1;
long utcDayEnd = -1;
// 1
// initialization of days
for (i = 0; i < nTotalCount; i++)
{
m_pData[i] = new VAISNAVADAY();
m_pData[i].date = new GregorianDateTime(date);
m_pData[i].date.dayOfWeek = weekday;
date.NextDay();
weekday = (weekday + 1) % 7;
m_pData[i].moonrise.SetValue(-1);
m_pData[i].moonset.SetValue(-1);
if (utcDayStart < 0)
{
utcDayStart = Convert.ToInt64(m_pData[i].date.GetJulianComplete() * 86400);
}
m_pData[i].UtcDayStart = utcDayStart;
utcDayStart += 86400;
}
for (i = 0; i < nTotalCount; i++)
{
m_pData[i].Previous = i > 0 ? m_pData[i - 1] : null;
m_pData[i].Next = i < nTotalCount - 1 ? m_pData[i + 1] : null;
}
TResultCoreEvents recentEvents = null;
// 2
// calculating DST data and core events
foreach (VAISNAVADAY t in m_pData)
{
t.BiasMinutes = loc.TimeZone.GetBiasMinutesForDay(t.date);
if (t.Previous != null)
{
t.DstDayType = (t.BiasMinutes == 0
? (t.Previous.BiasMinutes == 0 ? DstTypeChange.DstOff : DstTypeChange.DstEnd)
: (t.Previous.BiasMinutes == 0 ? DstTypeChange.DstStart : DstTypeChange.DstOn));
}
utcDayStart = t.UtcDayStart - (t.Previous != null ? t.Previous.BiasMinutes * 60 : 0);
utcDayEnd = t.UtcDayStart + 86400 - t.BiasMinutes * 60;
if (recentEvents == null || recentEvents.p_events.Count == 0 || recentEvents.Year != t.date.year)
{
recentEvents = GCCoreAstronomy.GetCoreEventsYear(loc, t.date.year);
}
recentEvents.GetCoreEvents(t.coreEvents, utcDayStart, utcDayEnd);
utcDayStart = utcDayEnd;
}
// 3
if (bCalcMoon)
{
foreach (VAISNAVADAY t in m_pData)
{
GCMoonData.CalcMoonTimes(earth, t.date, Convert.ToDouble(t.BiasMinutes / 60.0), out t.moonrise, out t.moonset);
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_RISE) != 0 && t.moonrise.hour >= 0)
{
tempStr = t.Format(GCStrings.Localized("Moonrise {moonRiseTime} ({dstSig})"));
t.AddEvent(DisplayPriorities.PRIO_MOON, GCDS.CAL_MOON_RISE, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_SET) != 0 && t.moonset.hour >= 0)
{
tempStr = t.Format(GCStrings.Localized("Moonset {moonSetTime} ({dstSig})"));
t.AddEvent(DisplayPriorities.PRIO_MOON, GCDS.CAL_MOON_SET, tempStr);
}
}
}
// 4
// init of astro data
foreach (VAISNAVADAY t in m_pData)
{
t.astrodata = new GCAstroData();
t.astrodata.DayCalc(t.date, earth);
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunArunodaya.TotalSeconds,
nType = CoreEventType.CCTYPE_S_ARUN
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunRise.TotalSeconds,
nType = CoreEventType.CCTYPE_S_RISE
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunNoon.TotalSeconds,
nType = CoreEventType.CCTYPE_S_NOON
});
t.coreEvents.InsertByTime(new TCoreEvent()
{
Time = t.UtcDayStart + (long)t.astrodata.sunSet.TotalSeconds,
nType = CoreEventType.CCTYPE_S_SET
});
}
// 5
// init of masa
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous == null ||
t.astrodata.sunRise.Paksa != t.Previous.astrodata.sunRise.Paksa)
{
t.astrodata.MasaCalc(t.date, earth);
lastMasa = t.astrodata.Masa;
lastGYear = t.astrodata.GaurabdaYear;
}
t.astrodata.Masa = lastMasa;
t.astrodata.GaurabdaYear = lastGYear;
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_LONG) != 0)
{
tempStr = string.Format("{0}: {1} (*)", GCStrings.Localized("Sun Longitude")
, t.astrodata.sunRise.longitude);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_SUN_LONG, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MOON_LONG) != 0)
{
tempStr = string.Format("{0}: {1} (*)", GCStrings.Localized("Moon Longitude")
, t.astrodata.sunRise.longitudeMoon);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_MOON_LONG, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_AYANAMSHA) != 0)
{
tempStr = string.Format("{0} {1} ({2}) (*)", GCStrings.Localized("Ayanamsha")
, t.astrodata.Ayanamsa
, GCAyanamsha.GetAyanamsaName(GCAyanamsha.GetAyanamsaType()));
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_AYANAMSHA, tempStr);
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_JULIAN) != 0)
{
tempStr = string.Format("{0} {1} (*)", GCStrings.Localized("Julian Time")
, t.astrodata.JulianDay);
t.AddEvent(DisplayPriorities.PRIO_ASTRO, GCDS.CAL_JULIAN, tempStr);
}
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_MASA_CHANGE) != 0)
{
String str;
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous != null && t.Previous.astrodata.Masa != t.astrodata.Masa)
{
str = t.Format(GCStrings.Localized("First day of {masaName} Masa"));
t.AddEvent(DisplayPriorities.PRIO_MASA_CHANGE, GCDS.CAL_MASA_CHANGE, str);
}
if (t.Next != null && t.Next.astrodata.Masa != t.astrodata.Masa)
{
str = t.Format(GCStrings.Localized("Last day of {masaName} Masa"));
t.AddEvent(DisplayPriorities.PRIO_MASA_CHANGE, GCDS.CAL_MASA_CHANGE, str);
}
}
}
if (!EkadasiOnly && GCDisplaySettings.Current.getValue(GCDS.CAL_DST_CHANGE) != 0)
{
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous != null && t.Previous.BiasMinutes == 0 && t.BiasMinutes != 0)
{
t.AddEvent(DisplayPriorities.PRIO_DST_CHANGE, GCDS.CAL_DST_CHANGE, GCStrings.Localized("First day of Daylight Saving Time"));
}
else if (t.Next != null && t.BiasMinutes != 0 && t.Next.BiasMinutes == 0)
{
t.AddEvent(DisplayPriorities.PRIO_DST_CHANGE, GCDS.CAL_DST_CHANGE, GCStrings.Localized("Last day of Daylight Saving Time"));
}
}
}
// 6
// init of mahadvadasis
foreach (VAISNAVADAY t in m_pData)
{
t.MahadvadasiCalc(earth);
}
//
// init for Ekadasis
foreach (VAISNAVADAY t in m_pData)
{
if (t.Previous == null)
{
continue;
}
t.EkadasiCalc(earth);
if (t.Previous.nFastID == FastType.FAST_EKADASI)
{
t.CalculateEParana(earth);
}
}
if (EkadasiOnly)
{
return(1);
}
// init ksaya data
// init of second day of vriddhi
CalculateKsayaVriddhiTithis();
//
// calculate sankrantis
CalculateSankrantis();
// 7
// init of festivals
AddMatchedFestivals(exec);
//
// apply daylight saving time
ApplyDaylightSavingHours();
//
// resolve festivals fasting
for (i = BEFORE_DAYS; i < m_PureCount + BEFORE_DAYS; i++)
{
ResolveFestivalsFasting(i);
if (GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_RISE) != 0)
{
tempStr = string.Format("{0}-{1}-{2} {3} - {4} - {5} ({6})",
GCStrings.Localized("Sunrise"),
GCStrings.Localized("Noon"),
GCStrings.Localized("Sunset"),
m_pData[i].astrodata.sunRise.ToShortTimeString(),
m_pData[i].astrodata.sunNoon.ToShortTimeString(),
m_pData[i].astrodata.sunSet.ToShortTimeString(),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_SUN_RISE, tempStr);
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_SUN_SANDHYA) != 0)
{
tempStr = string.Format("{0}: {1} | {2} | {3} ({4})",
GCStrings.Localized("Sandhyas"),
m_pData[i].astrodata.sunRise.ShortSandhyaString(),
m_pData[i].astrodata.sunNoon.ShortSandhyaString(),
m_pData[i].astrodata.sunSet.ShortSandhyaString(),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_SUN_SANDHYA, tempStr);
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_BRAHMA_MUHURTA) != 0)
{
tempStr = string.Format("{0}: {1} ({2})",
GCStrings.Localized("Brahma Muhurta"),
m_pData[i].astrodata.sunRise.ShortMuhurtaString(-2),
GCStrings.GetDSTSignature(m_pData[i].BiasMinutes));
m_pData[i].AddEvent(DisplayPriorities.PRIO_SUN, GCDS.CAL_BRAHMA_MUHURTA, tempStr);
}
}
if (GCDisplaySettings.Current.getValue(GCDS.CAL_COREEVENTS) != 0)
{
int number = 1;
foreach (VAISNAVADAY today in m_pData)
{
foreach (TCoreEvent tde in today.coreEvents)
{
m_pData[i].AddEvent(DisplayPriorities.PRIO_ASTRO + number, GCDS.CAL_COREEVENTS,
tde.TypeString + " " + today.GetCoreEventTime(tde));
number++;
}
}
}
// sorting day events according priority
VAISNAVAEVENTComparer vec = new VAISNAVAEVENTComparer();
foreach (VAISNAVADAY t in m_pData)
{
t.dayEvents.Sort(vec);
}
return(1);
}
private void CalculatePlanetRasi(int bodyId, GCLocation loc, GregorianDateTime vcEnd, GregorianDateTime vcAdd, GCConfigRatedEvents rec)
{
int nData;
double JD, JDE;
JD = vcAdd.GetJulian() - 0.5 - loc.OffsetUtcHours / 24.0;
JDE = vcEnd.GetJulian() + 0.5 - loc.OffsetUtcHours / 24.0;
nData = GCMath.IntFloor(GCMath.putIn360(GCVSOPAstronomy.GetPlanetLongitude(bodyId, JD) - GCAyanamsha.GetAyanamsa(JD)) / 30.0);
// initial rasi at the start date 00:00
AddRating(JD, loc, rec.rateGrahaRasi[bodyId, nData], rec.rateGrahaRasi[bodyId, Prev(nData, 12)]);
while ((JD = FindNextRasiChange(JD, JDE, bodyId, out nData)) < JDE)
{
AddRating(JD, loc, rec.rateGrahaRasi[bodyId, nData], rec.rateGrahaRasi[bodyId, Prev(nData, 12)]);
JD += 1.0;
}
}
public void CalculateEvents(GCLocation loc, GregorianDateTime vcStart, GregorianDateTime vcEnd)
{
//GCSunData sun = new GCSunData();
DstTypeChange ndst = 0;
int nData;
TResultEvents inEvents = this;
this.Clear();
this.EarthLocation = loc;
this.StartDateTime = new GregorianDateTime(vcStart);
this.EndDateTime = new GregorianDateTime(vcEnd);
GregorianDateTime vc = new GregorianDateTime();
GregorianDateTime vcAdd = new GregorianDateTime(), vcNext = new GregorianDateTime();
GCEarthData earth = loc.GetEarthData();
vc.Set(vcStart);
vc.TimezoneHours = loc.OffsetUtcHours;
vcAdd.Set(vc);
vcAdd.InitWeekDay();
GCHourTime sunriseData, sunsetData;
double sunRise, sunSet;
double r1, r2;
while (vcAdd.IsBeforeThis(vcEnd))
{
sunriseData = GCSunData.CalcSunrise(vcAdd, earth);
sunsetData = GCSunData.CalcSunset(vcAdd, earth);
sunRise = sunriseData.TotalDays;
sunSet = sunsetData.TotalDays;
ndst = loc.TimeZone.DetermineDaylightChange(vcAdd);
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SUN) != 0)
{
ndst = loc.TimeZone.DetermineDaylightChange(vcAdd);
vcAdd.shour = sunriseData.TotalDays - 96.0 / 1440.0;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_ARUN, 0, ndst);
vcAdd.shour = sunRise;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_RISE, 0, ndst);
vcAdd.shour = (sunRise + sunSet) / 2;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_NOON, 0, ndst);
vcAdd.shour = sunSet;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_S_SET, 0, ndst);
}
/*if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
* {
* todayLongitude = sun.longitude_deg;
* vcAdd.shour = sunRise;
* todaySunriseHour = sunRise;
* if (previousLongitude < -10)
* {
* GregorianDateTime prevSunrise = new GregorianDateTime();
* prevSunrise.Set(vcAdd);
* prevSunrise.PreviousDay();
* sun.SunCalc(prevSunrise, earth);
* previousSunriseHour = sun.rise.GetDayTime() - 1;
* previousLongitude = sun.longitude_deg;
* fromTimeLimit = 0;
* }
*
* double a, b;
* double jd = vcAdd.GetJulianComplete();
* double ayan = GCAyanamsha.GetAyanamsa(jd);
* r1 = GCMath.putIn360(previousLongitude - ayan) / 30;
* r2 = GCMath.putIn360(todayLongitude - ayan) / 30;
*
* while (r2 > r1 + 13)
* {
* r2 -= 12.0;
* }
* while (r2 < r1 + 11)
* {
* r2 += 12.0;
* }
*
* a = (r2 - r1) / (todaySunriseHour - previousSunriseHour);
* b = r2 - a * todaySunriseHour;
*
* for (double tr = Math.Floor(r1) + 1.0; tr < r2; tr += 1.0)
* {
* double tm = (tr - b) / a;
* if (tm > fromTimeLimit)
* {
* vcNext.Set(vcAdd);
* vcNext.shour = tm;
* vcNext.NormalizeValues();
* inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_ASCENDENT, (int)tr, ndst);
* }
* }
*
* previousLongitude = todayLongitude;
* previousSunriseHour = todaySunriseHour - 1;
* fromTimeLimit = previousSunriseHour;
* }*/
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_RAHUKALAM) != 0)
{
GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_RAHU_KALAM);
vcAdd.shour = r1;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_RAHU_KALAM, ndst);
vcAdd.shour = r2;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_RAHU_KALAM, ndst);
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YAMAGHANTI) != 0)
{
GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_YAMA_GHANTI);
vcAdd.shour = r1;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_YAMA_GHANTI, ndst);
vcAdd.shour = r2;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_YAMA_GHANTI, ndst);
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_GULIKALAM) != 0)
{
GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_GULI_KALAM);
vcAdd.shour = r1;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_GULI_KALAM, ndst);
vcAdd.shour = r2;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_GULI_KALAM, ndst);
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ABHIJIT_MUHURTA) != 0)
{
GCSunData.CalculateKala(sunRise, sunSet, vcAdd.dayOfWeek, out r1, out r2, KalaType.KT_ABHIJIT);
if (r1 > 0 && r2 > 0)
{
vcAdd.shour = r1;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_START, KalaType.KT_ABHIJIT, ndst);
vcAdd.shour = r2;
inEvents.AddEvent(vcAdd, CoreEventType.CCTYPE_KALA_END, KalaType.KT_ABHIJIT, ndst);
}
}
vcAdd.NextDay();
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
{
GCAscendant asc = new GCAscendant();
asc.Earth = EarthLocation.GetEarthData();
asc.CurrentDateTime = new GregorianDateTime(vc);
while (asc.GetNextAscendantBefore(vcEnd))
{
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(asc.CurrentDateTime, CoreEventType.CCTYPE_ASCENDENT, asc.CurrentSign, ndst);
asc.CurrentDateTime.AddHours(0.5);
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_TITHI) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCTithi.GetNextTithiStart(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_TITHI, nData, ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_NAKSATRA) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCNaksatra.GetNextNaksatra(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_NAKS, nData, ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_YOGA) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCYoga.GetNextYogaStart(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_YOGA, nData, ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.2;
if (vcAdd.shour >= 1.0)
{
vcAdd.shour -= 1.0;
vcAdd.NextDay();
}
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SANKRANTI) != 0)
{
vcNext = new GregorianDateTime();
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
vcNext.Set(GCSankranti.GetNextSankranti(vcAdd, earth, out nData));
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_SANK, nData, ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.NextDay();
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOONRASI) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
nData = GCMoonData.GetNextMoonRasi(earth, vcAdd, out vcNext);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RASI, nData, ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.shour += 0.5;
vcAdd.NormalizeValues();
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_CONJUNCTION) != 0)
{
double dlong;
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
dlong = GCConjunction.GetNextConjunction(vcAdd, out vcNext, true, earth);
if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
{
vcNext.InitWeekDay();
ndst = loc.TimeZone.DetermineDaylightChange(vcNext);
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_CONJ, GCRasi.GetRasi(dlong, GCAyanamsha.GetAyanamsa(vcNext.GetJulianComplete())), ndst);
}
else
{
break;
}
vcAdd.Set(vcNext);
vcAdd.NextDay();
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_MOON) != 0)
{
vcAdd.Set(vc);
vcAdd.shour = 0.0;
while (vcAdd.IsBeforeThis(vcEnd))
{
vcNext.Set(GCMoonData.GetNextRise(earth, vcAdd, true));
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_RISE, 0, ndst);
vcNext.Set(GCMoonData.GetNextRise(earth, vcNext, false));
inEvents.AddEvent(vcNext, CoreEventType.CCTYPE_M_SET, 0, ndst);
vcNext.shour += 0.05;
vcNext.NormalizeValues();
vcAdd.Set(vcNext);
}
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_ASCENDENT) != 0)
{/*
* vcAdd = vc;
* vcAdd.shour = 0.0;
* while(vcAdd.IsBeforeThis(vcEnd))
* {
* nData = earth.GetNextAscendentStart(vcAdd, vcNext);
* if (vcNext.GetDayInteger() < vcEnd.GetDayInteger())
* {
* vcNext.InitWeekDay();
* ndst = TTimeZone.determineDaylightChange(vcNext, loc.m_nDST);
* inEvents.AddEvent(vcNext, CCTYPE_ASCENDENT, nData, ndst);
* }
* else
* {
* break;
* }
* vcAdd = vcNext;
* vcAdd.shour += 1/24.0;
* if (vcAdd.shour >= 1.0)
* {
* vcAdd.shour -= 1.0;
* vcAdd.NextDay();
* }
* }
*
*/
}
if (GCDisplaySettings.Current.getValue(GCDS.COREEVENTS_SORT) != 0)
{
inEvents.Sort(SORTING_BY_DATE);
}
else
{
inEvents.Sort(SORTING_BY_TYPE);
}
}
public void calculateAppDay(GCLocation location, GregorianDateTime eventDate)
{
//MOONDATA moon;
//SUNDATA sun;
GCAstroData d = this.details = new GCAstroData();
GregorianDateTime vc = new GregorianDateTime();
GregorianDateTime vcsun = new GregorianDateTime();
GCEarthData m_earth = location.GetEarthData();
vc.Set(eventDate);
vcsun.Set(eventDate);
this.b_adhika = false;
this.eventTime = new GregorianDateTime(eventDate);
Location = location;
//d.nTithi = GetPrevTithiStart(m_earth, vc, dprev);
//GetNextTithiStart(m_earth, vc, dnext);
vcsun.shour -= vcsun.TimezoneHours / 24.0;
vcsun.NormalizeValues();
vcsun.TimezoneHours = 0.0;
d.sunRise = new GCHourTime();
d.sunRise.TotalDays = vc.shour;
d.sunRise.longitude = GCCoreAstronomy.GetSunLongitude(vcsun, m_earth);
d.sunRise.longitudeMoon = GCCoreAstronomy.GetMoonLongitude(vcsun, m_earth);
d.Ayanamsa = GCAyanamsha.GetAyanamsa(vc.GetJulianComplete());
d.sunRise.Ayanamsa = d.Ayanamsa;
// tithi
d.Masa = d.MasaCalc(vc, m_earth);
if (d.Masa == (int)MasaId.ADHIKA_MASA)
{
d.Masa = d.sunRise.RasiOfSun;
this.b_adhika = true;
}
vc.Today();
vc.TimezoneHours = m_earth.OffsetUtcHours;
int m = 0;
GaurabdaDate va = new GaurabdaDate();
GregorianDateTime vctemp;
va.tithi = d.sunRise.Tithi;
va.masa = d.Masa;
va.gyear = GCCalendar.GetGaurabdaYear(vc, m_earth);
if (va.gyear < d.GaurabdaYear)
{
va.gyear = d.GaurabdaYear;
}
MainInfo.Add(new AppDayInfo(GCStrings.getString(7), eventDate.ToString()));
MainInfo.Add(new AppDayBase());
MainInfo.Add(new AppDayInfo(GCStrings.getString(8), eventDate.ShortTimeString()));
MainInfo.Add(new AppDayBase());
MainInfo.Add(new AppDayBase());
MainInfo.Add(new AppDayInfo(GCStrings.getString(9), location.Title));
MainInfo.Add(new AppDayInfo(GCStrings.getString(10), location.GetLatitudeString()));
MainInfo.Add(new AppDayInfo(GCStrings.getString(11), location.GetLongitudeString()));
MainInfo.Add(new AppDayInfo(GCStrings.Localized("Timezone"), location.TimeZoneName));
MainInfo.Add(new AppDayInfo("DST", "N/A"));
MainInfo.Add(new AppDayBase());
MainInfo.Add(new AppDayInfo(GCStrings.getString(13), GCTithi.GetName(d.sunRise.Tithi)));
MainInfo.Add(new AppDayInfo(GCStrings.getString(14), string.Format("{0:00.000}%", d.sunRise.TithiElapse)));
MainInfo.Add(new AppDayInfo(GCStrings.getString(15), GCNaksatra.GetName(d.sunRise.Naksatra)));
MainInfo.Add(new AppDayInfo(GCStrings.getString(16), string.Format("{0:00.000}% ({1} pada)", d.sunRise.NaksatraElapse, GCStrings.getString(811 + d.sunRise.NaksatraPada))));
MainInfo.Add(new AppDayInfo(GCStrings.Localized("Moon Rasi"), GCRasi.GetName(d.sunRise.RasiOfMoon)));
MainInfo.Add(new AppDayInfo(GCStrings.Localized("Sun Rasi"), GCRasi.GetName(d.sunRise.RasiOfSun)));
MainInfo.Add(new AppDayInfo(GCStrings.getString(20), GCPaksa.GetName(d.sunRise.Paksa)));
if (b_adhika == true)
{
MainInfo.Add(new AppDayInfo(GCStrings.getString(22), string.Format("{0} {1}", GCMasa.GetName(d.Masa), GCStrings.getString(21))));
}
else
{
MainInfo.Add(new AppDayInfo(GCStrings.getString(22), GCMasa.GetName(d.Masa)));
}
MainInfo.Add(new AppDayInfo(GCStrings.getString(23), d.GaurabdaYear.ToString()));
if (GCDisplaySettings.Current.getValue(48) == 1)
{
MainInfo.Add(new AppDayBase(GCDS.APP_CHILDNAMES));
MainInfo.Add(new AppDaySeparator(GCStrings.getString(17)));
MainInfo.Add(new AppDayBase(GCDS.APP_CHILDNAMES));
MainInfo.Add(new AppDayInfo(GCDS.APP_CHILDNAMES, GCStrings.getString(18), GCStrings.GetNaksatraChildSylable(d.sunRise.Naksatra, d.sunRise.NaksatraPada) + "..."));
MainInfo.Add(new AppDayInfo(GCDS.APP_CHILDNAMES, GCStrings.getString(19), GCStrings.GetRasiChildSylable(d.sunRise.RasiOfMoon) + "..."));
}
MainInfo.Add(new AppDayBase());
MainInfo.Add(new AppDaySeparator(GCStrings.getString(24)));
MainInfo.Add(new AppDayBase());
celeb_date = new GregorianDateTime[TRESULT_APP_CELEBS];
celeb_gy = new int[TRESULT_APP_CELEBS];
for (int i = 0; i < TRESULT_APP_CELEBS + 3; i++)
{
GCCalendar.VATIMEtoVCTIME(va, out vctemp, m_earth);
if (va.gyear > d.GaurabdaYear)
{
if (m < TRESULT_APP_CELEBS)
{
MainInfo.Add(new AppDayInfo(string.Format("Gaurabda {0}", va.gyear), vctemp.ToString()));
this.celeb_date[m] = new GregorianDateTime(vctemp);
this.celeb_gy[m] = va.gyear;
m++;
}
}
va.gyear++;
}
}
/*********************************************************************/
/* */
/* */
/* */
/* */
/* */
/*********************************************************************/
public int MasaCalc(GregorianDateTime date, GCEarthData earth)
{
// SUNDATA sun;
// MOONDATA moon;
// VCTIME Conj[6], ConjA;
// double Long[6], LongA;
// int Sank[6], SankA;
const int PREV_MONTHS = 6;
double[] L = new double[8];
GregorianDateTime[] C = new GregorianDateTime[8];
int[] R = new int[8];
int n, rasi, masa = MasaId.VISNU_MASA;
int ksaya_from = -1;
int ksaya_to = -1;
date.shour = sunRise.TotalDays;
// STEP 1: calculate position of the sun and moon
// it is done by previous call of DayCalc
// and results are in argument DAYDATA day
// *DayCalc(date, earth, day, moon, sun);*
L[1] = /*Long[0] =*/ GCConjunction.GetNextConjunction(date, out C[1], false, earth);
L[0] = /*LongA =*/ GCConjunction.GetNextConjunction(C[1], out C[0], true, earth);
// on Pratipat (nTithi == 15) we need to look for previous conjunction
// but this conjunction can occur on this date before sunrise
// so we need to include this very date into looking for conjunction
// on other days we cannot include it
// and exclude it from looking for next because otherwise that will cause
// incorrect detection of Purusottama adhika masa
L[2] = GCConjunction.GetPrevConjunction(date, out C[2], false, earth);
for (n = 3; n < PREV_MONTHS; n++)
{
L[n] = GCConjunction.GetPrevConjunction(C[n - 1], out C[n], true, earth);
}
for (n = 0; n < PREV_MONTHS; n++)
{
R[n] = GCRasi.GetRasi(L[n], GCAyanamsha.GetAyanamsa(C[n].GetJulian()));
}
/* TRACE("TEST Date: %d %d %d ", date.day, date.month, date.year);
* TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[1].day, C[1].month, C[1].year, R[1]);
* TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[2].day, C[2].month, C[2].year, R[2]);
* TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[3].day, C[3].month, C[3].year, R[3]);
* TRACE("FOUND CONJ Date: %d %d %d rasi: %d ", C[4].day, C[4].month, C[4].year, R[4]);
* TRACE("---
*/
// test for Adhika-Ksaya sequence
// this is like 1-2-2-4-5...
// second (2) is replaced by rasi(3)
/* if ( ((Sank[1] + 2) % 12 == SankA) && ((Sank[1] == Sank[0]) || (Sank[0] == SankA)))
* {
* Sank[0] = (Sank[1] + 1) % 12;
* }
*
* if ( ((Sank[2] + 2) % 12 == Sank[0]) && ((Sank[2] == Sank[1]) || (Sank[1] == Sank[0])))
* {
* Sank[1] = (Sank[2] + 1) % 12;
* }*/
// look for ksaya month
ksaya_from = -1;
for (n = PREV_MONTHS - 2; n >= 0; n--)
{
if ((R[n + 1] + 2) % 12 == R[n])
{
ksaya_from = n;
break;
}
}
if (ksaya_from >= 0)
{
for (n = ksaya_from; n > 0; n--)
{
if (R[n] == R[n - 1])
{
ksaya_to = n;
break;
}
}
if (ksaya_to >= 0)
{
// adhika masa found
// now correct succession of rasis
}
else
{
// adhika masa not found
// there will be some break in masa queue
ksaya_to = 0;
}
int current_rasi = R[ksaya_from + 1] + 1;
for (n = ksaya_from; n >= ksaya_to; n--)
{
R[n] = current_rasi;
current_rasi = (current_rasi + 1) % 12;
}
}
// STEP 3: test for adhika masa
// test for adhika masa
if (R[1] == R[2])
{
// it is adhika masa
masa = 12;
rasi = R[1];
}
else
{
// STEP 2. select nearest Conjunction
if (this.sunRise.Paksa == 0)
{
masa = R[1];
}
else if (this.sunRise.Paksa == 1)
{
masa = R[2];
}
rasi = masa;
}
// calculation of Gaurabda year
GaurabdaYear = date.year - 1486;
if ((rasi > 7) && (rasi < 11)) // Visnu
{
if (date.month < 6)
{
GaurabdaYear--;
}
}
Masa = masa;
return(masa);
}