private void button_run_Click(object sender, EventArgs e)
{
GeoCoord geoCoord = GeoCoord.Parse(this.textBox_geoCoord.Text);
var time = this.dateTimePicker1.Value;
var gpsTime = Time.Parse(time);
#region 方案1 ： Neill模型
var elevation = geoCoord.Height;
var pTroModel = new NeillTropModel(geoCoord.Height, geoCoord.Lat, gpsTime.DayOfYear);
var wetMap = pTroModel.Wet_Mapping_Function(elevation);
var correction = GetTroposphericCorectValueWithNillModel(elevation, geoCoord, pTroModel);
#endregion
//#region 方案2： GMF 模型 , 崔阳， Added
//double[] azel = new double[] { info.Azimuth * SunMoonPosition.D2R, info.Elevation * SunMoonPosition.D2R };
//wetMap = 0.0;
//double wetCorrectValue = epochSatellite.EpochInfo.ObsInfo.TropoCorrectValue;
//correction = gTroModel.Correction(gpsTime, geoCoord, receiverPosition, azel, wetCorrectValue, ref wetMap);
////}
//#endregion
//#region 方案3： VMF 模型 ， 李林阳 added
// else
//{
//string stanam = epochSatellite.obsPath.MarkerName;
////double WetMap = 0.0;
////采用VMF1模型~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~，李林阳添加
//this.VMF1TroModel = new VMF1TropModel(DataSourceProvider, stanam, geoCoord.Height, geoCoord.Lat * CoordConsts.DegToRadMultiplier, gpsTime);
//wetMap = 0;
////采用VMF1模型，GetSatPhaseCenterCorectValue函数也要作出改变~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~，李林阳添加
////double correction = GetSatPhaseCenterCorectValue(elevation, geoCoord, VMF1TroModel,ref WetMap);
//correction = VMF1TroModel.Correction(elevation, ref wetMap);
//epochSatellite.Vmf1WetMap = wetMap;
////}
//#endregion
//epochSatellite.WetMap = wetMap;
ShowInfo(correction);
}
private string Compute(DataEntity Data)
{
var time = new Time(2014, 1, 20, 14, 56, 10.0);
double ele = 45;
double T = 20, P = 1001, H = 45.0;
var rx = new Position(30, 114, 30, CoordinateSystem.Geodetic);
var model = new NeillTropModel(rx, time);
model.SetWeather(T, P, H);
string line = String.Format("elevation:{0:0.00}, ZHD:{1:0.0000},ZWD:{2:0.000},Correction:{3:0.000}",
ele, model.DryZenithDelay(), model.WetZenithDelay(), model.Correction(ele));
return(line);
}
public string Compute()
{
string line = "测站名 高度角 ZHD m_d(E) ZWD m_w(E) 延迟改正\n";
double T = 20, P = 1001, H = 45.0;
foreach (var d in Data.Data)
{
var time = d.Time;
double ele = d.Elv;
var rx = new Position(d.Lat, d.Lon, d.H, CoordinateSystem.Geodetic);
var model = new NeillTropModel(rx, time);
model.SetWeather(T, P, H);
line += $"{d.Id} {d.Elv:F2} {model.DryZenithDelay():F3} {model.DryMappingFunction(d.Elv):f3} ";
line += $" {model.WetZenithDelay():F3} {model.WetMappingFunction(d.Elv):F3} ";
line += $" {model.Correction(ele):f3} \n";
}
return(line);
}
public override void Correct(EpochSatellite epochSatellite)
{
if (!epochSatellite.HasEphemeris)
{
return;
}
Time gpsTime = epochSatellite.RecevingTime;
XYZ receiverPosition = epochSatellite.SiteInfo.EstimatedXyz;
if (!receiverPosition.IsValid || receiverPosition.IsZero)
{
this.Correction = 0;
return;
}
Polar p = epochSatellite.Polar;
double elevation = p.Elevation;
GeoCoord geoCoord = epochSatellite.SiteInfo.ApproxGeoCoord;
#region Test
//double FE_WGS84 = 1.0 / 298.257223563;
//double RE_WGS84 = 6378137.0;
//double e2 = FE_WGS84 * (2.0 - FE_WGS84);
//double v = RE_WGS84;
//XYZ r = epochSatellite.obsPath.ApproxXyz;
//double r2 = r.X * r.X + r.Y * r.Y;
//double sinp, z, zk;
//for (z = r.Z, zk = 0.0; Math.Abs(z - zk) >= 1E-4; )
//{
// zk = z;
// sinp = z / Math.Sqrt(r2 + z * z);
// v = RE_WGS84 / Math.Sqrt(1.0 - e2 * sinp * sinp);
// z = r.Z + v * e2 * sinp;
//}
//double pos0 = r2 > 1E-12 ? Math.Atan(z / Math.Sqrt(r2)) : (r.Z > 0.0 ? AstronomicalFunctions.PI / 2.0 : -AstronomicalFunctions.PI / 2.0);//lat
//double pos1 = r2 > 1E-12 ? Math.Atan2(r.Y, r.Z) : 0.0; //lon
//double pos2 = Math.Sqrt(r2 + z * z) - v;
//GeoCoord geoCoord0 = new GeoCoord(pos1 * AstronomicalFunctions.R2D, pos0 * AstronomicalFunctions.R2D, pos2);
//if (geoCoord != geoCoord0) geoCoord = geoCoord0;
#endregion
double wetMap = 0.0, correction = 0.0;
double[] azel = new double[] { p.Azimuth *AngularTransformer.DegToRadMultiplier, p.Elevation *AngularTransformer.DegToRadMultiplier };
double wetCorrectValue = epochSatellite.EpochInfo.NumeralCorrections[Gnsser.ParamNames.WetTropZpd];
//首先尝试
#region 方案4： GpT2 模型 ， 李林阳 added
if (this.DataSourceProvider.gpt2DataService1Degree != null || this.DataSourceProvider.gpt2DataService != null)
{
this.gpt2Model = new Gpt2TropModel(DataSourceProvider);
//返回干分量和湿分量对流层延迟的估值，wetMap 为湿分量映射函数，用于作为残余天定距参数的斜距映射。
correction = gpt2Model.Correction(gpsTime, geoCoord, receiverPosition, azel, wetCorrectValue, ref wetMap);
}
#endregion
//天顶对流层延迟，高度角为90度
double[] azel2 = new double[] { p.Azimuth *SunMoonPosition.DegToRad, Math.PI / 2 };
double wetMap_ZTD = 0;
//double appriorWetDealy_ZTD = 0;
double ZTD = gpt2Model.Correction(gpsTime, geoCoord, receiverPosition, azel2, wetCorrectValue, ref wetMap_ZTD);
epochSatellite.AppriorTropDelay = ZTD;
epochSatellite.WetMap_ZTD = wetMap_ZTD;
if (wetMap == 0 && correction == 0)
{
#region 方案2： GMF 模型 , 崔阳， Added
if (DataSourceProvider == null || DataSourceProvider.Vmf1DataService == null || DataSourceProvider.Vmf1DataService.Count == 0)
{
correction = gTroModel.Correction(gpsTime, geoCoord, receiverPosition, azel, wetCorrectValue, ref wetMap);
}
#endregion
}
if (wetMap == 0 && correction == 0)
{
#region 方案1 ： Neill模型
this.pTroModel = new NeillTropModel(geoCoord.Height, geoCoord.Lat, gpsTime.DayOfYear);
wetMap = pTroModel.Wet_Mapping_Function(elevation);
correction = GetTroposphericCorectValueWithNillModel(elevation, geoCoord, pTroModel);
#endregion
}
if (wetMap == 0 && correction == 0)
{
#region 方案3： VMF 模型 ， 李林阳 added
string stanam = epochSatellite.SiteInfo.SiteName;
//double WetMap = 0.0;
//采用VMF1模型~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~，李林阳添加
this.VMF1TroModel = new VMF1TropModel(DataSourceProvider, stanam, geoCoord.Height, geoCoord.Lat * AngularTransformer.DegToRadMultiplier, gpsTime);
wetMap = 0;
//采用VMF1模型，GetSatPhaseCenterCorectValue函数也要作出改变~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~，李林阳添加
//double correction = GetSatPhaseCenterCorectValue(elevation, geoCoord, VMF1TroModel,ref WetMap);
correction = VMF1TroModel.Correction(elevation, ref wetMap);
epochSatellite.Vmf1WetMap = wetMap;
#endregion
}
epochSatellite.WetMap = wetMap;
this.Correction = correction;
//对流层增强
double augment = 0.0;
if (this.IsTropAugmentEnabled && DataSourceProvider.TropAugService != null)
{
augment = DataSourceProvider.TropAugService.Correction(epochSatellite.RecevingTime);
this.Correction = correction + wetMap * augment;
}
}
/// <summary>
/// 对流层延迟改正
/// </summary>
/// <param name="elevation"></param>
/// <param name="geoCoord"></param>
/// <param name="pTroModel"></param>
/// <returns></returns>
public static double GetTroposphericCorectValueWithNillModel(double elevation, GeoCoord geoCoord, NeillTropModel pTroModel)
{
double tropoCorr = 0.0;
//Compute tropospheric slant correction
tropoCorr = pTroModel.Correction(elevation);
if (!pTroModel.isValid())
{
tropoCorr = 0.0;
}
return(tropoCorr);
}
