/// <summary>
/// 所有卫星，在时间段中的相对位置信息。
/// </summary>
/// <returns></returns>
public Dictionary <SatelliteNumber, List <StationSatInfo> > GetPeriodAllSatInfos()
{
this.LonLats.Clear();
Dictionary <SatelliteNumber, List <StationSatInfo> > dics = new Dictionary <SatelliteNumber, List <StationSatInfo> >();
foreach (SatelliteNumber rec in EphemerisService.Prns)
{
if (dics.ContainsKey(rec))
{
continue;
}
List <StationSatInfo> satList = new List <StationSatInfo>();
dics.Add(rec, satList);
for (int i = 0; i < Count; i++)
{
DateTime time = From + TimeSpan.FromMinutes(i * SpanMinutes);
StationSatInfo info = GetInstantSatInfo(EphemerisService, rec, new Time(time));
if (info == null)
{
continue;
}
satList.Add(info);
}
}
return(dics);
}
/// <summary>
/// 时段单星
/// </summary>
/// <param name="stationPos"></param>
/// <param name="navFilePath"></param>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="spanMinutes"></param>
/// <returns></returns>
public List <StationSatInfo> GetPeriodSatInfos(SatelliteNumber rec)
{
this.LonLats.Clear();
List <StationSatInfo> satList = new List <StationSatInfo>();
for (int i = 0; i < Count; i++)
{
DateTime time = From + TimeSpan.FromMinutes(i * SpanMinutes);
StationSatInfo info = GetInstantSatInfo(EphemerisService, rec, new Time(time));
if (info == null)
{
continue;
}
satList.Add(info);
}
return(satList);
}
/// <summary>
/// 卫星在指定时段内出现的数量。要求星历文件卫星数量必须足够。
/// </summary>
/// <returns></returns>
public Dictionary <DateTime, int> GetPeriodSatAppearCounts()
{
this.LonLats.Clear();
Dictionary <DateTime, int> dics = new Dictionary <DateTime, int>();
for (int i = 0; i < Count; i++)
{
int count = 0;
DateTime time = From + TimeSpan.FromMinutes(i * SpanMinutes);
foreach (SatelliteNumber rec in EphemerisService.Prns)
{
StationSatInfo info = GetInstantSatInfo(EphemerisService, rec, new Time(time));
if (info == null)
{
continue;
}
count++;
}
dics.Add(time, count);
}
return(dics);
}
/// <summary>
/// 在指定时刻，所有卫星相对于测站的信息
/// </summary>
/// <param name="stationPos"></param>
/// <param name="navFilePath"></param>
/// <param name="time"></param>
/// <returns></returns>
public List <StationSatInfo> GetAllInstantSatInfos(Time time)
{
this.LonLats.Clear();
List <StationSatInfo> sats = new List <StationSatInfo>();
List <SatelliteNumber> prns = new List <SatelliteNumber>();
foreach (SatelliteNumber rec in EphemerisService.Prns)
{
if (prns.Contains(rec))
{
continue;
}
prns.Add(rec);
StationSatInfo info = GetInstantSatInfo(EphemerisService, rec, time);
if (info == null)
{
continue;
}
sats.Add(info);
}
return(sats);
}