CoordPointCollection GetdayAndNightLineVertices(GeoPoint sunLocation, double step)
{
CoordPointCollection result = new CoordPointCollection();
IList <double> latitudes = DayAndNightLineCalculator.GetDayAndNightLineLatitudes(sunLocation.Latitude, sunLocation.Longitude, step);
double lon = -180;
foreach (double lat in latitudes)
{
result.Add(new GeoPoint(lat, lon));
lon += step;
}
return(result);
}
void UpdateDayAndNightLine()
{
double[] sun3DPosition = DayAndNightLineCalculator.CalculateSunPosition(ActualDateTime);
GeoPoint sunPosition = new GeoPoint(sun3DPosition[1], sun3DPosition[0]);
GeoPoint moonPosition = GetOppositePoint(sunPosition);
CoordPointCollection dayAndNightLineVertices = GetdayAndNightLineVertices(sunPosition, 0.1);
bool isNorthNight = DayAndNightLineCalculator.CalculateIsNorthNight(sun3DPosition);
if (isNorthNight)
{
AddNorthContour(dayAndNightLineVertices);
}
else
{
AddSouthContour(dayAndNightLineVertices);
}
SunPosition = sunPosition;
MoonPosition = moonPosition;
DayAndNightLineVertices = dayAndNightLineVertices;
}
