public void GalacticalToEquatorial()
{
CrdsEquatorial eqExpected = new CrdsEquatorial(new HMS("17h 48m 59.74s"), new DMS("-14* 43' 08.2''"));
CrdsGalactical gal = new CrdsGalactical(12.9593, 6.0463);
CrdsEquatorial eq = gal.ToEquatorial();
Assert.AreEqual(eqExpected.Alpha, eq.Alpha, 1e-4);
Assert.AreEqual(eqExpected.Delta, eq.Delta, 1e-4);
}
public override void Initialize()
{
// Ecliptic
LineEcliptic.FromHorizontal = (h, ctx) =>
{
var eq = h.ToEquatorial(ctx.GeoLocation, ctx.SiderealTime);
var ec = eq.ToEcliptical(ctx.Epsilon);
return(new GridPoint(ec.Lambda, ec.Beta));
};
LineEcliptic.ToHorizontal = (c, ctx) =>
{
var ec = new CrdsEcliptical(c.Longitude, c.Latitude);
var eq = ec.ToEquatorial(ctx.Epsilon);
return(eq.ToHorizontal(ctx.GeoLocation, ctx.SiderealTime));
};
// Galactic equator
LineGalactic.FromHorizontal = (h, ctx) =>
{
var eq = h.ToEquatorial(ctx.GeoLocation, ctx.SiderealTime);
var eq1950 = Precession.GetEquatorialCoordinates(eq, peTo1950);
var gal = eq1950.ToGalactical();
return(new GridPoint(gal.l, gal.b));
};
LineGalactic.ToHorizontal = (c, ctx) =>
{
var gal = new CrdsGalactical(c.Longitude, c.Latitude);
var eq1950 = gal.ToEquatorial();
var eq = Precession.GetEquatorialCoordinates(eq1950, peFrom1950);
return(eq.ToHorizontal(ctx.GeoLocation, ctx.SiderealTime));
};
// Meridian line
LineMeridian.FromHorizontal = (h, ctx) => new GridPoint(0, h.Azimuth - 180);
LineMeridian.ToHorizontal = (c, context) => new CrdsHorizontal(0, c.Longitude - 180);
// Horizontal grid
GridHorizontal.FromHorizontal = (h, ctx) => new GridPoint(h.Azimuth, h.Altitude);
GridHorizontal.ToHorizontal = (c, context) => new CrdsHorizontal(c.Longitude, c.Latitude);
// Equatorial grid
GridEquatorial.FromHorizontal = (h, ctx) =>
{
var eq = h.ToEquatorial(ctx.GeoLocation, ctx.SiderealTime);
return(new GridPoint(eq.Alpha, eq.Delta));
};
GridEquatorial.ToHorizontal = (c, ctx) =>
{
var eq = new CrdsEquatorial(c.Longitude, c.Latitude);
return(eq.ToHorizontal(ctx.GeoLocation, ctx.SiderealTime));
};
}