/// <summary>
/// 选择
/// </summary>
/// <returns></returns>
public override PeriodPrnManager Select()
{
this.DetailResultTable = new ObjectTableStorage("DetailResultTableOfFlexible_" + CutOffAngle + "deg");
var PeriodPrnManager = new PeriodPrnManager();
var totalEndTime = SatElevationTable.GetLastIndexValue <Time>();
var firstStartTime = SatElevationTable.GetFirstIndexValue <Time>();
var prevEndPeriodTime = firstStartTime;
while (prevEndPeriodTime < totalEndTime)
{
// PeriodPrn PeriodPrn = BuildOnePeriodPrnByCenterTop2(prevEndPeriodTime);
var PeriodPrn = BuildOnePeriodPrnByCenterTop(prevEndPeriodTime);
if (PeriodPrn == null || PeriodPrn.TimePeriod.Span == 0)
{
log.Error("无满足条件的时段。" + PeriodPrn);
break;
}
AddPeriodPrnToManager(PeriodPrnManager, PeriodPrn);
prevEndPeriodTime = PeriodPrn.TimePeriod.End;
}
return(PeriodPrnManager);
}
/// <summary>
///读取
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static PeriodPrnManager ReadFromFile(string path)
{
var reader = new PeriodPrnReader(path);
var all = reader.ReadAll();
PeriodPrnManager mgr = new PeriodPrnManager();
foreach (var item in all)
{
mgr.Add(item);
}
return(mgr);
}
/// <summary>
/// 选择
/// </summary>
/// <returns></returns>
public override PeriodPrnManager Select()
{
this.DetailResultTable = new ObjectTableStorage("DetailResultTableOf_" + TableSatSelectorType + "_" + PeriodCount + "Count");
var PeriodPrnManager = new PeriodPrnManager();
var startTime = (Time)SatElevationTable.GetIndexValue(0);
var stepPeriod = TotalPeriodSpan / PeriodCount;
for (int i = 0; i < PeriodCount; i++)
{
var start = startTime + TimeSpan.FromSeconds(i * stepPeriod);
var end = start + TimeSpan.FromSeconds(stepPeriod);
TimePeriod TimePeriod = new TimePeriod(start, end);
BaseTableSatelliteSelector selector = null;
switch (TableSatSelectorType)
{
case Gnsser.BaseSatSelectionType.MaxElevation:
selector = new TableElevationSatSelector(SatElevationTable, TimePeriod, CutOffAngle, false);
break;
case Gnsser.BaseSatSelectionType.MaxCenterElevation:
selector = new TableElevationSatSelector(SatElevationTable, TimePeriod, CutOffAngle, true, 1);
break;
case Gnsser.BaseSatSelectionType.MaxTimeSpan:
selector = new TableSpanSatSelector(SatElevationTable, TimePeriod, CutOffAngle);
break;
}
SatelliteNumber prn = selector.Select();
var PeriodPrn = new PeriodPrn(TimePeriod, prn);
this.AddPeriodPrnToManager(PeriodPrnManager, PeriodPrn);
}
return(PeriodPrnManager);
}