public static PositionBySphereEquinox[] GetPositions()
{
return(new PositionBySphereEquinox[]
{
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthBaseArray(),
PositionByOrbitalElementsArray.GetEarthBaseArray().Length),
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthFirstArray(),
PositionByOrbitalElementsArray.GetEarthFirstArray().Length),
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthSecondArray(),
PositionByOrbitalElementsArray.GetEarthSecondArray().Length),
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthThirdArray(),
PositionByOrbitalElementsArray.GetEarthThirdArray().Length),
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthFourthArray(),
PositionByOrbitalElementsArray.GetEarthFourthArray().Length),
new PositionBySphereEquinox(
PositionByOrbitalElementsArray.GetEarthFifthArray(),
PositionByOrbitalElementsArray.GetEarthFifthArray().Length)
});
}
public static double GetSunEclipticLongitude(double julianDate, bool highPrecision)
{
if (highPrecision)
{
return
(CoordinateTransformation.MapTo0To360Range
(CoordinateTransformation.SetRadiansToDegrees
(CalculateEarthPosition(julianDate)))); // Вроде как для высокой точности
}
else
{
double julianMillennias = Tools.GetMillenniasCount(julianDate);
var sunLongitudeBase = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeBaseArray(), julianMillennias);
var sunLongitudeFirstGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeFirstArray(), julianMillennias);
var sunLongitudeSecondGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeSecondArray(), julianMillennias);
var sunLongitudeThirdGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeThirdArray(), julianMillennias);
var sunLongitudeFourthGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeFourthArray(), julianMillennias);
var sunLongitudeFifthGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLongitudeFifthArray(), julianMillennias);
var value = (sunLongitudeBase
+ sunLongitudeFirstGroup * julianMillennias
+ sunLongitudeSecondGroup * Tools.GetRaisedValue(julianMillennias, Power.Square)
+ sunLongitudeThirdGroup * Tools.GetRaisedValue(julianMillennias, Power.Cube)
+ sunLongitudeFourthGroup * Tools.GetRaisedValue(julianMillennias, Power.Fourth)
+ sunLongitudeFifthGroup * Tools.GetRaisedValue(julianMillennias, Power.Fifth)) / 100000000;
//convert results back to degrees
return(CoordinateTransformation.MapTo0To360Range(CoordinateTransformation.SetRadiansToDegrees(value)));
}
}
public static double GetSunEclipticLatitude(double julianDate)
{
var julianMillennias = Tools.GetMillenniasCount(julianDate);// (julianDate - 2451545) / 365250;
var sunLatitudeBase = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLatitudeBaseArray(), julianMillennias);
var sunLatitudeFirstGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunLatitudeFirstArray(), julianMillennias);
double value = (sunLatitudeBase + sunLatitudeFirstGroup * julianMillennias) / 100000000;
return(CoordinateTransformation.MapToMinus90To90Range(CoordinateTransformation.SetRadiansToDegrees(value)));
}
public static double GetSunRadiusVector(double julianDate)
{
double julianMillennias = Tools.GetMillenniasCount(julianDate);
var sunRadiusBase = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunRadiusBaseArray(), julianMillennias);
var sunRadiusFirstGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunRadiusFirstArray(), julianMillennias);
var sunRadiusSecondGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunRadiusSecondArray(), julianMillennias);
var sunRadiusThirdGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunRadiusThirdArray(), julianMillennias);
var sunRadiusFourthGroup = GetCalculatedValue(PositionByOrbitalElementsArray.GetSunRadiusFourthArray(), julianMillennias);
return
((sunRadiusBase
+ sunRadiusFirstGroup * julianMillennias
+ sunRadiusSecondGroup * Tools.GetRaisedValue(julianMillennias, Power.Square)
+ sunRadiusThirdGroup * Tools.GetRaisedValue(julianMillennias, Power.Cube)
+ sunRadiusFourthGroup * Tools.GetRaisedValue(julianMillennias, Power.Fourth))
/ 100000000);
}
