// TODO: add ability to specify location and preferFast flag
public List <Ephemerides> GetEphemerides(CelestialObject body, double from, double to, double step, IEnumerable <string> categories, CancellationToken?cancelToken = null, IProgress <double> progress = null)
{
List <Ephemerides> all = new List <Ephemerides>();
var config = EphemConfigs[body.GetType()];
var itemsToBeCalled = config.Filter(categories);
for (double jd = from; jd < to; jd += step)
{
if (cancelToken != null && cancelToken.Value.IsCancellationRequested)
{
break;
}
else
{
progress?.Report((jd - from) / (to - from) * 100);
}
var context = new SkyContext(jd, Context.GeoLocation);
Ephemerides ephemerides = new Ephemerides(body);
foreach (var item in itemsToBeCalled)
{
ephemerides.Add(new Ephemeris(item.Category, item.Formula.DynamicInvoke(context, body), item.Formatter ?? Formatters.GetDefault(item.Category)));
}
all.Add(ephemerides);
}
return(all);
}
public override object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
CelestialObject body = value as CelestialObject;
if (body != null)
{
string key = new[] { body.GetType() }
.Concat(body.GetType().GetInterfaces())
.Select(inf => $"Icon{inf.Name}")
.FirstOrDefault(k => Application.Current.Resources.Contains(k));
if (key != null)
{
return(Application.Current.Resources[key]);
}
}
return(null);
}
public void SetData(CelestialObject body, double jdFrom, double jdTo, TimeSpan step, List <Ephemerides> ephemerides)
{
string bodyName = body.Names.First();
string bodyTypeName = body.GetType().Name;
double utcOffset = sky.Context.GeoLocation.UtcOffset;
Header = Text.Get("EphemeridesWindow.Header",
("objectName", bodyName),
("startDate", Formatters.DateTime.Format(new Date(jdFrom, utcOffset))),
("endDate", Formatters.DateTime.Format(new Date(jdTo, utcOffset))),
("step", Formatters.TimeSpan.Format(step))
);
var table = new DataTable();
var dateColumn = new DataColumn()
{
Caption = Text.Get("EphemeridesWindow.DateColumn"),
ColumnName = "Date",
DataType = typeof(Date),
ReadOnly = true
};
dateColumn.ExtendedProperties["Formatter"] = Formatters.DateTime;
table.Columns.Add(dateColumn);
table.Columns.AddRange(ephemerides[0].Select(e =>
{
var column = new DataColumn()
{
Caption = Text.Get($"{bodyTypeName}.{e.Key}"),
ColumnName = e.Key,
DataType = e.Value.GetType(),
ReadOnly = true
};
column.ExtendedProperties["Formatter"] = e.Formatter;
return(column);
}).ToArray());
for (int i = 0; i < ephemerides.Count; i++)
{
var row = table.NewRow();
row["Date"] = new Date(jdFrom + i * step.TotalDays, utcOffset);
foreach (var e in ephemerides[i])
{
row[e.Key] = e.Value;
}
table.Rows.Add(row);
}
Body = body;
Ephemeris = ephemerides;
EphemerisTable = table;
StartDate = jdFrom;
EndDate = jdTo;
Step = step;
}
public Ephemerides GetEphemerides(CelestialObject body, SkyContext context, IEnumerable <string> categories)
{
var config = EphemConfigs[body.GetType()];
var itemsToBeCalled = config.Filter(categories);
Ephemerides ephemerides = new Ephemerides(body);
foreach (var item in itemsToBeCalled)
{
ephemerides.Add(new Ephemeris(item.Category, item.Formula.DynamicInvoke(context, body), item.Formatter ?? Formatters.GetDefault(item.Category)));
}
return(ephemerides);
}
public ICollection <string> GetEphemerisCategories(CelestialObject body)
{
var type = body.GetType();
if (EphemConfigs.ContainsKey(type))
{
return(EphemConfigs[type].GetCategories(body));
}
else
{
return(new string[0]);
}
}
public CelestialObjectInfo GetInfo(CelestialObject body)
{
Type bodyType = body.GetType();
if (InfoProviders.ContainsKey(bodyType))
{
var ephem = GetEphemerides(body, Context.JulianDay, Context.JulianDay + 1, 1, GetEphemerisCategories(body)).First();
var infoType = typeof(CelestialObjectInfo <>).MakeGenericType(bodyType);
var info = (CelestialObjectInfo)Activator.CreateInstance(infoType, Context, body, ephem);
InfoProviders[bodyType].DynamicInvoke(info);
return(info);
}
else
{
return(null);
}
}
public void Write(CelestialObject body, double jdFrom, double jdTo, TimeSpan step, List <Ephemerides> ephemerides)
{
string bodyTypeName = body.GetType().Name;
StringBuilder row = new StringBuilder();
using (var writer = File.CreateText(file))
{
// header
row.Append("\"");
row.Append(Text.Get("EphemeridesWindow.DateColumn"));
row.Append("\", ");
row.Append(string.Join(", ", ephemerides[0].Select(e => $"\"{Text.Get($"{bodyTypeName}.{e.Key}")}\"")));
writer.WriteLine(row.ToString());
// content rows
for (int i = 0; i < ephemerides.Count; i++)
{
double jd = jdFrom + i * step.TotalDays;
row = new StringBuilder();
row.Append("\"");
row.Append(isRawData ? jd.ToString(nf) : Formatters.DateTime.Format(new Date(jd, utcOffset)));
row.Append("\",");
foreach (var e in ephemerides[i])
{
row.Append("\"");
row.Append(isRawData ? Convert.ToString(e.Value, nf) : e.Formatter.Format(e.Value));
row.Append("\",");
}
writer.WriteLine(row.ToString().TrimEnd(','));
}
writer.Flush();
writer.Close();
}
}
public void SetData(CelestialObject body, double jdFrom, double jdTo, TimeSpan step, List <List <Ephemeris> > ephemeris)
{
string bodyName = body.Names.First();
string bodyTypeName = body.GetType().Name;
double utcOffset = sky.Context.GeoLocation.UtcOffset;
string headerTemplate = "Ephemerides of {0}\nStart date: {1}\nEnd date: {2}\nStep: {3}";
Header = string.Format(headerTemplate,
bodyName,
Formatters.DateTime.Format(new Date(jdFrom, utcOffset)),
Formatters.DateTime.Format(new Date(jdTo, utcOffset)),
Formatters.TimeSpan.Format(step));
var table = new DataTable();
table.Columns.Add(new DataColumn()
{
Caption = "Date", ColumnName = "Date"
});
table.Columns.AddRange(ephemeris[0].Select(e => new DataColumn()
{
Caption = Text.Get($"{bodyTypeName}.{e.Key}"), ColumnName = e.Key
}).ToArray());
for (int i = 0; i < ephemeris.Count; i++)
{
var row = table.NewRow();
row["Date"] = Formatters.DateTime.Format(new Date(jdFrom + i * step.TotalDays, utcOffset));
foreach (var e in ephemeris[i])
{
row[e.Key] = e.Formatter.Format(e.Value);
}
table.Rows.Add(row);
}
EphemerisTable = table;
}
