/// <summary>
/// 构造函数
/// </summary>
/// <param name="context"></param>
/// <param name="option"></param>
public AbstractGnssSolver(DataSourceContext context, GnssProcessOption option) : base(context, option)
{
this.Name = context.ObservationDataSource == null ? "GNSS计算器" : context.ObservationDataSource.Name;
//为所有测站附加天线信息，为了保险起见多赋值一次。
if (context.AntennaDataSource != null)
{
foreach (var item in context.ObservationDataSources.DataSources)
{
item.SiteInfo.Antenna = context.AntennaDataSource.Get(item.SiteInfo.AntennaType);
}
}
//是否需要伪距预先定位
if (Option.IsNeedPseudorangePositionWhenProcess && !(this is SimpleRangePositioner))
{
int interval = (int)this.DataSourceContext.ObservationDataSource.ObsInfo.Interval;
GnssProcessOption opt = GnssProcessOption.GetPsuedoRangeOption(interval, option.IsSmoothRangeWhenPrevPseudorangePosition);
RangePositioner = new SimpleRangePositioner(DataSourceContext, opt);
}
this.IsUpdateEstimatePostition = option.IsUpdateEstimatePostition;
this.EpochEphemerisSetter = new EpochEphemerisSetter(DataSourceContext, option);
//模糊度
IsOutputAmbiguity = true;
AmbiguityManager = new AmbiguityManager(base.Option);
IonoFreeAmbiguitySolverManager = new IonoFreeAmbiguitySolverManager();
}
/// <summary>
/// 快速计算一个坐标。自动重置数据流。
/// </summary>
/// <param name="DataSourceContext"></param>
/// <returns></returns>
public static SingleSiteGnssResult GetApproxPosition(DataSourceContext DataSourceContext)
{
GnssProcessOption PositionOption = GnssProcessOption.GetDefaultSimplePseudoRangePositioningOption();
var p = new SimpleRangePositioner(DataSourceContext, PositionOption)
{
IsUpdateEstimatePostition = true,
IsPostCheckEnabled = false,//取消检查，否则报错，2019.05.16, czs
};
var Reviser = EpochInfoReviseManager.GetDefaultEpochInfoReviser(DataSourceContext, PositionOption, null);
var checker = EpochCheckingManager.GetDefaultCheckers(DataSourceContext, PositionOption);
var EpochEphemerisSetter = new EpochEphemerisSetter(DataSourceContext, PositionOption);
lock (locker)
{
var initMaxRms = PositionOption.MaxStdDev;
var initType = PositionOption.CaculateType;
var initUpdate = PositionOption.IsUpdateEstimatePostition;
var initPostCheck = PositionOption.IsResidualCheckEnabled;
var initResultCheck = PositionOption.IsResultCheckEnabled;
PositionOption.CaculateType = CaculateType.Independent;
PositionOption.MaxStdDev = 9999999;
PositionOption.IsResidualCheckEnabled = false;
PositionOption.IsResultCheckEnabled = false;
PositionOption.IsUpdateEstimatePostition = initUpdate;
int i = 0;
SingleSiteGnssResult GnssResult = null;
List <SingleSiteGnssResult> results = new List <SingleSiteGnssResult>();
foreach (var item in DataSourceContext.ObservationDataSource)
{
i++;
if (!checker.Check(item))
{
continue;
}
var info = item;
// if (!Reviser.Revise(ref info)) { continue; }
Reviser.Revise(ref info);
if (info.EnabledSatCount < 4)
{
continue;
}
GnssResult = p.Get(item);
if (GnssResult != null)
{
item.SiteInfo.SetApproxXyz(item.SiteInfo.EstimatedXyz);
results.Add(GnssResult);
}
if (i > 5 && results.Count > 0)
{
results.Sort(new Comparison <SingleSiteGnssResult>(delegate(SingleSiteGnssResult a, SingleSiteGnssResult b) { return((int)(1000 * (a.EstimatedXyzRms.Length - b.EstimatedXyzRms.Length))); }));
GnssResult = results[0];
break;
}
}
PositionOption.IsResidualCheckEnabled = initPostCheck;
PositionOption.IsUpdateEstimatePostition = initUpdate;
PositionOption.IsResultCheckEnabled = initResultCheck;
PositionOption.CaculateType = initType;
DataSourceContext.ObservationDataSource.Reset();
PositionOption.MaxStdDev = initMaxRms;
return(GnssResult);
}
}