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public static CalculateLunarEclipse ( DateTime d, CoordinateSharp.Coordinate coord ) : List |
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| d | DateTime | |
| coord | CoordinateSharp.Coordinate | |
| return | List |
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/// <summary>
/// Returns a List containing solar eclipse data for the century at the specified location.
/// Century return is based on the date passed.
/// </summary>
/// <param name="lat">latitude</param>
/// <param name="longi">longitude</param>
/// <param name="date">DateTime</param>
/// <returns>List>LunarEclipseDetails></returns>
/// /// <example>
/// The following example gets a Lunar Eclipse table for the 20th century at N 39, W 72
/// and displays each type of eclipse and occurrence date in that century.
/// <code>
/// List>LunarEclipseDetails> leList = Celestial.Get_Lunar_Eclipse_Table(39, -72, new DateTime(1950, 1, 1));
///
/// foreach(LunarEclipseDetails ld in leList)
/// {
/// Console.WriteLine(ld.Type + " " + ld.Date.ToShortDateString());
/// }
///
/// //Total 10/17/1902
/// //Partial 4/11/1903
/// //Penumbral 3/2/1904
/// //Partial 8/15/1905
/// //Total 2/9/1906
/// //Partial 1/29/1907
/// //Partial 7/25/1907
/// ...
/// </code>
/// </example>
public static List <LunarEclipseDetails> Get_Lunar_Eclipse_Table(double lat, double longi, DateTime date)
{
//Convert to Radians
double latR = lat * Math.PI / 180;
double longR = longi * Math.PI / 180;
//Get solar data based on date
double[] events = Eclipse.LunarData.LunarDateData_100Year(date);
//Return list of solar data.
return(LunarEclipseCalc.CalculateLunarEclipse(date, latR, longR, events));
}
public static void CalculateLunarEclipse(DateTime date, double lat, double longi, Celestial c)
{
//Convert to Radian
double latR = lat * Math.PI / 180;
double longR = longi * Math.PI / 180;
List <List <string> > se = LunarEclipseCalc.CalculateLunarEclipse(date, latR, longR);
//RETURN FIRST AND LAST
if (se.Count == 0)
{
return;
}
//FIND LAST AND NEXT ECLIPSE
int lastE = -1;
int nextE = -1;
int currentE = 0;
DateTime lastDate = new DateTime();
DateTime nextDate = new DateTime(3300, 1, 1);
//Iterate to get last and next eclipse
foreach (List <string> values in se)
{
DateTime ld = Convert.ToDateTime(values[0]);
if (ld < date && ld > lastDate)
{
lastDate = ld; lastE = currentE;
}
if (ld >= date && ld < nextDate)
{
nextDate = ld; nextE = currentE;
}
currentE++;
}
//SET ECLIPSE DATA
if (lastE >= 0)
{
c.LunarEclipse.LastEclipse = new LunarEclipseDetails(se[lastE]);
}
if (nextE >= 0)
{
c.LunarEclipse.NextEclipse = new LunarEclipseDetails(se[nextE]);
}
}
