private DeepSkyInfo ReadDeepSkyDetails(SkyContext c, DeepSky ds)
{
try
{
var details = new DeepSkyInfo();
using (StreamReader sr = new StreamReader(NGCIC_FILE, Encoding.UTF8))
{
sr.BaseStream.Seek((ds.RecordNumber - 1) * RecordLength, SeekOrigin.Begin);
string line = sr.ReadLine();
string sb = line.Substring(56, 4).Trim();
if (!string.IsNullOrEmpty(sb))
{
details.SurfaceBrightness = Convert.ToSingle(sb, CultureInfo.InvariantCulture);
}
string bmag = line.Substring(43, 4).Trim();
if (!string.IsNullOrEmpty(bmag))
{
details.PhotoMagnitude = Convert.ToSingle(bmag, CultureInfo.InvariantCulture);
}
details.ObjectType = line.Substring(78, 8).Trim();
string pgc = line.Substring(86, 8).Trim();
if (!string.IsNullOrEmpty(pgc))
{
details.PGC = Convert.ToInt64(pgc);
}
List <string> ids = new List <string>();
ids.Add(line.Substring(96, 16).Trim());
ids.Add(line.Substring(112, 16).Trim());
ids.Add(line.Substring(128, 16).Trim());
details.Identifiers = ids.Where(id => !string.IsNullOrEmpty(id)).ToArray();
details.Remarks = line.Substring(144).Trim();
return(details);
}
}
catch
{
return(null);
}
}
public void GetInfo(CelestialObjectInfo <DeepSky> info)
{
DeepSky ds = info.Body;
SkyContext c = info.Context;
DeepSkyInfo details = c.Get(ReadDeepSkyDetails, ds);
string constellation = Constellations.FindConstellation(c.Get(Equatorial, ds), c.JulianDay);
info.SetSubtitle(ds.Status.ToString())
.SetTitle(string.Join(" / ", ds.Names))
.AddRow("Constellation", constellation)
.AddHeader("Equatorial coordinates (current epoch)")
.AddRow("Equatorial.Alpha", ds.Equatorial.Alpha)
.AddRow("Equatorial.Delta", ds.Equatorial.Delta)
.AddHeader("Equatorial coordinates (J2000.0 epoch)")
.AddRow("Equatorial0.Alpha", ds.Equatorial0.Alpha)
.AddRow("Equatorial0.Delta", ds.Equatorial0.Delta)
.AddHeader("Horizontal coordinates")
.AddRow("Horizontal.Azimuth", ds.Horizontal.Azimuth)
.AddRow("Horizontal.Altitude", ds.Horizontal.Altitude)
.AddHeader("Visibility")
.AddRow("RTS.Rise")
.AddRow("RTS.Transit")
.AddRow("RTS.Set")
.AddRow("RTS.Duration")
.AddHeader("Properties");
info.AddRow("DeepSky.Type", details.ObjectType);
if (ds.Mag != null)
{
info.AddRow("VisualMagnitude", ds.Mag, Formatters.Magnitude);
}
if (details.PhotoMagnitude != null)
{
info.AddRow("PhotoMagnitude", details.PhotoMagnitude, Formatters.Magnitude);
}
if (details.SurfaceBrightness != null)
{
info.AddRow("Brightness", details.SurfaceBrightness, Formatters.SurfaceBrightness);
}
if (ds.SizeA > 0)
{
string size = $"{Formatters.AngularDiameter.Format(ds.SizeA / 60)}";
if (ds.SizeB > 0)
{
size += $" x {Formatters.AngularDiameter.Format(ds.SizeB / 60)}";
}
info.AddRow("AngularDiameter", size, Formatters.Simple);
}
if (ds.PA > 0)
{
info.AddRow("Position angle", ds.PA, Formatters.RotationAxis);
}
if (details.Identifiers.Any() || details.PGC != null)
{
info.AddHeader("Designations");
if (details.Identifiers.Any())
{
info.AddRow("Other catalogs identifiers", string.Join(", ", details.Identifiers));
}
if (details.PGC != null)
{
info.AddRow("PGC catalog number", string.Join(", ", details.PGC));
}
}
if (!string.IsNullOrEmpty(details.Remarks))
{
info.AddRow("Remarks", details.Remarks);
}
}
public void GetInfo(CelestialObjectInfo <DeepSky> info)
{
DeepSky ds = info.Body;
SkyContext c = info.Context;
DeepSkyInfo details = c.Get(ReadDeepSkyDetails, ds);
string constellation = Constellations.FindConstellation(c.Get(Equatorial, ds), c.JulianDay);
info
.SetSubtitle(Text.Get("DeepSky.Status." + ds.Status.ToString()))
.SetTitle(string.Join(" / ", ds.Names))
.AddRow("Constellation", constellation)
.AddHeader(Text.Get("DeepSky.Equatorial"))
.AddRow("Equatorial.Alpha", ds.Equatorial.Alpha)
.AddRow("Equatorial.Delta", ds.Equatorial.Delta)
.AddHeader(Text.Get("DeepSky.Equatorial0"))
.AddRow("Equatorial0.Alpha", ds.Equatorial0.Alpha)
.AddRow("Equatorial0.Delta", ds.Equatorial0.Delta)
.AddHeader(Text.Get("DeepSky.Horizontal"))
.AddRow("Horizontal.Azimuth", ds.Horizontal.Azimuth)
.AddRow("Horizontal.Altitude", ds.Horizontal.Altitude)
.AddHeader(Text.Get("DeepSky.RTS"))
.AddRow("RTS.Rise")
.AddRow("RTS.Transit")
.AddRow("RTS.Set")
.AddRow("RTS.Duration")
.AddHeader(Text.Get("DeepSky.Properties"));
info.AddRow("Type", details.ObjectType);
if (ds.Mag != null)
{
info.AddRow("VisualMagnitude", ds.Mag, Formatters.Magnitude);
}
if (details.PhotoMagnitude != null)
{
info.AddRow("PhotoMagnitude", details.PhotoMagnitude, Formatters.Magnitude);
}
if (details.SurfaceBrightness != null)
{
info.AddRow("SurfaceBrightness", details.SurfaceBrightness, new Formatters.SignedDoubleFormatter(2, " mag/sq.arcsec"));
}
if (ds.SizeA > 0)
{
string size = $"{Formatters.Angle.Format(ds.SizeA / 60)}";
if (ds.SizeB > 0)
{
size += $" x {Formatters.Angle.Format(ds.SizeB / 60)}";
}
info.AddRow("AngularDiameter", size, Formatters.Simple);
}
if (ds.PA > 0)
{
info.AddRow("PositionAngle", ds.PA, new Formatters.UnsignedDoubleFormatter(2, "\u00B0"));
}
if (details.Identifiers.Any() || details.PGC != null)
{
info.AddHeader(Text.Get("DeepSky.Designations"));
if (details.Identifiers.Any())
{
info.AddRow("OtherCatalogsIdentifiers", string.Join(", ", details.Identifiers));
}
if (details.PGC != null)
{
info.AddRow("PGCCatalogNumber", string.Join(", ", details.PGC));
}
}
if (!string.IsNullOrEmpty(details.Remarks))
{
info.AddRow("Remarks", details.Remarks);
}
}