public DtNatalChartViewModel()
{
Definition = new DtNatalChartDefinitionViewModel();
NatalChart = new Astro.NatalChart();
}
public Task <bool> Calculate()
{
NatalChart = new NatalChart();
return(Task.FromResult(true));
}
/// <summary>
/// Calcul un thème natal
/// </summary>
public NatalChart CalculateNatalChart(NatalChartDefinition definition)
{
if (definition == null)
{
throw new ArgumentNullException();
}
// Préparation du résultat
NatalChart result = new NatalChart {
Definition = definition
};
// Initialisation du provider pour le calcul
EphemerisProvider.SetTopographic(definition.PositionCenter, definition.BirthPlacePosition);
EphemerisProvider.HouseSystem = definition.HouseSystem;
// Calcul des dates et des temps
result.DateUTC = definition.BirthDate.ToDateTimeOffset().ToUniversalTime();
result.JulianDay = EphemerisProvider.ToJulianDay(definition.BirthDate);
result.UniversalTime = EphemerisProvider.ToUniversalTime(result.JulianDay);
result.EphemerisTime = EphemerisProvider.ToEphemerisTime(result.JulianDay);
result.SideralTime = EphemerisProvider.ToSideralTime(result.JulianDay, definition.BirthPlacePosition.Longitude);
// Calculs
var enValues = EphemerisProvider.CalcEclipticNutation(result.EphemerisTime);
result.TrueEclipticObliquity = enValues.TrueEclipticObliquity;
result.MeanEclipticObliquity = enValues.MeanEclipticObliquity;
result.NutationLongitude = enValues.NutationLongitude;
result.NutationObliquity = enValues.NutationObliquity;
// Planets
foreach (var planet in definition.Planets)
{
if (planet == Planet.EclipticNutation)
{
continue;
}
if (planet == Planet.Earth && (definition.PositionCenter == PositionCenter.Geocentric || definition.PositionCenter == PositionCenter.Topocentric))
{
continue; // Exclude Earth if geo or topo
}
var pi = EphemerisProvider.CalcPlanet(planet, result.EphemerisTime, result.ARMC, definition.BirthPlacePosition.Longitude, result.TrueEclipticObliquity);
result.Planets.Add(pi);
}
///*
// //* equator position * /
// if (fmt.IndexOfAny("aADdQ".ToCharArray()) >= 0) {
// iflag2 = iflag | SwissEph.SEFLG_EQUATORIAL;
// if (ipl == SwissEph.SE_FIXSTAR)
// iflgret = sweph.swe_fixstar(star, tjd_et, iflag2, xequ, ref serr);
// else
// iflgret = sweph.swe_calc(tjd_et, ipl, iflag2, xequ, ref serr);
// }
// //* ecliptic cartesian position * /
// if (fmt.IndexOfAny("XU".ToCharArray()) >= 0) {
// iflag2 = iflag | SwissEph.SEFLG_XYZ;
// if (ipl == SwissEph.SE_FIXSTAR)
// iflgret = sweph.swe_fixstar(star, tjd_et, iflag2, xcart, ref serr);
// else
// iflgret = sweph.swe_calc(tjd_et, ipl, iflag2, xcart, ref serr);
// }
// //* equator cartesian position * /
// if (fmt.IndexOfAny("xu".ToCharArray()) >= 0) {
// iflag2 = iflag | SwissEph.SEFLG_XYZ | SwissEph.SEFLG_EQUATORIAL;
// if (ipl == SwissEph.SE_FIXSTAR)
// iflgret = sweph.swe_fixstar(star, tjd_et, iflag2, xcartq, ref serr);
// else
// iflgret = sweph.swe_calc(tjd_et, ipl, iflag2, xcartq, ref serr);
// }
// spnam = se_pname;
// */
// Houses
var houses = EphemerisProvider.CalcHouses(result.JulianDay, definition.BirthPlacePosition.Latitude, definition.BirthPlacePosition.Longitude, result.AscMcs);
result.Houses.AddRange(houses);
return(result);
}