/// <summary>
/// 解算DCB
/// </summary>
/// <param name="filePathList">用于计算的观测文件列表</param>
/// <param name="estimateReceiverDCB">是否估计接收机DCB(默认true)</param>
/// <param name="estimateSatelliteDCB">是否估计卫星DCB(默认true)</param>
/// <returns></returns>
public bool ResolveDCB(int doy,
string[] filePathList,
DCBOption receiverDCBOpt,
DCBOption satelliteDCBOpt,
out Dictionary <string, double> receiverDCB,
out Dictionary <string, double> satelliteDCB)
{
receiverDCB = new Dictionary <string, double>();
satelliteDCB = new Dictionary <string, double>();
if (filePathList is null || filePathList.Length <= 0)
{
return(false);
}
int year2, year4, month, dom;
Time.DOY2MonthDay(doy, out year4, out month, out dom);
year2 = Time.GetYear2(year4);
PrintWithTime("读取星历文件...");
int beforeDay = DOY.AddDays(doy, -1);
int afterDay = DOY.AddDays(doy, 1);
Orbit Orb = new Orbit(orbFolder);
Orb.Read(orbFolder, beforeDay, afterDay);
OFile[] oFiles = new OFile[filePathList.Length];
for (int i = 0; i < filePathList.Length; i++)
{
PrintWithTime("正在处理文件:" + filePathList[i]);
try
{
OFile of = new OFile(filePathList[i]);
of.TryRead();
Orb.GetSatPos(ref of);
of.CalAzElIPP();
of.DetectOutlier();
of.DetectAllArcs();
of.DetectCycleSlip();
of.CalSP4();
oFiles[i] = of;
}
catch (Exception ex)
{
PrintWithTime(string.Format("处理失败,原因是:{0}", ex.ToString()));
continue;
}
}
List <string> stationNames = new List <string>(oFiles.Length * 2);
List <LinkedList <int> > prn = new List <LinkedList <int> >();
List <LinkedList <double> > lat = new List <LinkedList <double> >();
List <LinkedList <double> > lon = new List <LinkedList <double> >();
List <LinkedList <double> > sp4 = new List <LinkedList <double> >();
List <LinkedList <double> > ele = new List <LinkedList <double> >();
double b, l;
HashSet <string> prnStr = new HashSet <string>();
int prnNum = 0;
foreach (var of in oFiles)
{
stationNames.Add(of.StationName);
LinkedList <int> prns = new LinkedList <int>();
LinkedList <double> lats = new LinkedList <double>();
LinkedList <double> lons = new LinkedList <double>();
LinkedList <double> tecs = new LinkedList <double>();
LinkedList <double> eles = new LinkedList <double>();
foreach (var p in of.Arcs.Keys)
{
prnStr.Add(p);
prnNum = int.Parse(p.Substring(1));
var arcs = of.Arcs[p];
foreach (var arc in arcs)
{
for (int i = 0; i < arc.Length; i++)
{
if (arc[i]["SP4"] > 0)
{
Coordinate.SunGeomagnetic(arc[i].IPP[0], arc[i].IPP[1],
arc[i].Epoch.Hour, arc[i].Epoch.Minute, arc[i].Epoch.Second,
GeoFun.GNSS.Common.GEOMAGNETIC_POLE_LAT, GeoFun.GNSS.Common.GEOMAGENTIC_POLE_LON,
out b, out l);
prns.AddLast(prnNum);
tecs.AddLast(arc[i]["SP4"]);
lats.AddLast(b);
lons.AddLast(l);
eles.AddLast(arc[i].Elevation);
}
}
}
}
prn.Add(prns);
lat.Add(lats);
lon.Add(lons);
sp4.Add(tecs);
ele.Add(eles);
}
// 从文件中读取dcb
if (satelliteDCBOpt.Option == enumDCBOption.ReadFromFile)
{
if (!File.Exists(satelliteDCBOpt.DCBFilePath))
{
throw new FileNotFoundException("卫星DCB文件无法找到", satelliteDCBOpt.DCBFilePath);
}
DCBFile df = new DCBFile(satelliteDCBOpt.DCBFilePath);
if (!df.TryRead())
{
throw new IOException(string.Format("卫星DCB文件读取失败:{0}", satelliteDCBOpt.DCBFilePath));
}
satelliteDCB = df.DCBDict;
// 将dcb单位转换为米
foreach (var p in satelliteDCB.Keys)
{
satelliteDCB[p] *= GeoFun.GNSS.Common.C0;
}
}
// 忽略卫星dcb
else if (satelliteDCBOpt.Option == enumDCBOption.Regardless)
{
foreach (var p in prnStr)
{
satelliteDCB.Add(p, 0d);
}
}
PrintWithTime("估计DCB...");
SphericalHarmonicIonoModel spm;
if (satelliteDCBOpt.Option == enumDCBOption.Estimation)
{
bool flag = IonoModel.CalSphericalHarmonicModel(9, 9, stationNames, prn, lat, lon, sp4, ele,
out spm, out receiverDCB, out satelliteDCB);
spm.SaveAs(@"C:\Users\Administrator\Desktop\data\out\0.spm.txt");
return(flag);
}
else if (satelliteDCBOpt.Option == enumDCBOption.ReadFromFile ||
satelliteDCBOpt.Option == enumDCBOption.Regardless)
{
return(IonoModel.CalSphericalHarmonicModel(9, 9, stationNames, prn, lat, lon, sp4, ele,
satelliteDCB, out spm, out receiverDCB));
}
else
{
return(false);
}
}
/// <summary>
/// 读取所有数据，统一进行解算，很耗内存和时间
/// </summary>
public void MultiStationMultiDay()
{
if (!Directory.Exists(obsFolder))
{
PrintWithTime("文件夹不存在，结束解算!");
return;
}
DirectoryInfo obsDir = new DirectoryInfo(obsFolder);
PrintWithTime("正在搜索o文件...");
FileInfo[] files = obsDir.GetFiles("*.??o");
PrintWithTime(string.Format("共找到{0}个o文件", files.Length));
Dictionary <int, List <string> > stationsPerDOY = new Dictionary <int, List <string> >();
Dictionary <string, List <int> > doysPerStation = new Dictionary <string, List <int> >();
Dictionary <int, Dictionary <string, FileInfo> > fileDict = new Dictionary <int, Dictionary <string, FileInfo> >();
string stationName;
int year, day, doy;
foreach (var file in files)
{
FileName.ParseRinex2(file.Name, out stationName, out day, out year);
doy = year * 1000 + day;
if (!stationsPerDOY.ContainsKey(doy))
{
stationsPerDOY[doy] = new List <string>();
}
if (!doysPerStation.ContainsKey(stationName))
{
doysPerStation[stationName] = new List <int>();
}
if (!fileDict.ContainsKey(doy))
{
fileDict[doy] = new Dictionary <string, FileInfo>();
}
stationsPerDOY[doy].Add(stationName);
doysPerStation[stationName].Add(doy);
fileDict[doy].Add(stationName, file);
}
// 观测值起止时间
int minObsDOY = (from d in stationsPerDOY
select d.Key).Min();
int maxObsDOY = (from d in stationsPerDOY
select d.Key).Max();
// 轨道起止时间
int minOrbDOY = DOY.AddDays(minObsDOY, -1);
int maxOrbDOY = DOY.AddDays(maxObsDOY, 1);
// 下载星历,钟差
Download(DOY.AddDays(minObsDOY, -1), DOY.AddDays(maxObsDOY, 1));
// 估计DCB
PrintWithTime("估计DCB...");
string[] filePathList = (from p in fileDict[minObsDOY].Values
select p.FullName).ToArray();
Dictionary <string, double> recDCB, satDCB;
ResolveDCB(minObsDOY, filePathList, DCBOption.Estimate, DCBOption.Estimate, out recDCB, out satDCB);
string recDCBName = "0station_dcb.txt";
string satDCBName = "0satellite_dcb.txt";
string recDCBPath = Path.Combine(resFolder, recDCBName);
string satDCBPath = Path.Combine(resFolder, satDCBName);
string txt = "***\n";
double dcb = 0d;
foreach (var rec in recDCB.Keys)
{
dcb = recDCB[rec] / GeoFun.GNSS.Common.C0 * 1e9;
txt += rec + "," + dcb.ToString("#.0000000000") + "\n";
}
File.WriteAllText(recDCBPath, txt, Encoding.UTF8);
txt = "***\n";
foreach (var sat in satDCB.Keys)
{
dcb = satDCB[sat] / GeoFun.GNSS.Common.C0 * 1e9;
txt += sat + "," + dcb.ToString("#.0000000000") + "\n";
}
File.WriteAllText(satDCBPath, txt, Encoding.UTF8);
int epoSegNum = 240;
foreach (var d in fileDict.Keys)
{
PrintWithTime(string.Format("正在处理DOY:{0:000}", d));
int beforeDOY = DOY.AddDays(d, -1);
int afterDOY = DOY.AddDays(d, 1);
Orbit orb = new Orbit(orbFolder);
orb.Read(orbFolder, beforeDOY, afterDOY);
List <OFile> oFiles = new List <OFile>();
foreach (var s in fileDict[d].Keys)
{
try
{
OFile of = new OFile(fileDict[d][s].FullName);
PrintWithTime(string.Format("正在处理文件:{0}", of.Path));
if (!of.TryRead())
{
continue;
}
orb.GetSatPos(ref of);
of.CalAzElIPP();
of.DetectOutlier();
of.DetectAllArcs();
of.DetectCycleSlip();
of.CalSP4();
oFiles.Add(of);
}
catch (Exception ex)
{
continue;
}
}
double b, l;
OFile ofile;
SphericalHarmonicIonoModel spm;
int epoNum = oFiles[0].Epoches.Count;
int startIndex = 0, endIndex = epoSegNum;
while (startIndex < epoNum)
{
PrintWithTime(string.Format("电离层二维模型计算 开始历元{0:0000} 结束历元{1:0000}", startIndex, endIndex));
List <string> stationNames = new List <string>(oFiles.Count * 2);
List <LinkedList <int> > prn = new List <LinkedList <int> >();
List <LinkedList <double> > lat = new List <LinkedList <double> >();
List <LinkedList <double> > lon = new List <LinkedList <double> >();
List <LinkedList <double> > sp4 = new List <LinkedList <double> >();
List <LinkedList <double> > ele = new List <LinkedList <double> >();
for (int i = 0; i < oFiles.Count; i++)
{
ofile = oFiles[i];
stationNames.Add(ofile.StationName);
LinkedList <int> prns = new LinkedList <int>();
LinkedList <double> lats = new LinkedList <double>();
LinkedList <double> lons = new LinkedList <double>();
LinkedList <double> sp4s = new LinkedList <double>();
LinkedList <double> eles = new LinkedList <double>();
foreach (var p in ofile.Arcs.Keys)
{
int prnNum = int.Parse(p.Substring(1));
var arcs = ofile.Arcs[p];
foreach (var arc in arcs)
{
int si = startIndex;
int ei = endIndex;
if (si > arc.EndIndex)
{
continue;
}
if (ei <= arc.StartIndex)
{
continue;
}
si = 0;
if (startIndex > arc.StartIndex)
{
si = startIndex - arc.StartIndex;
}
ei = endIndex - startIndex;
if (ei > arc.Length)
{
ei = arc.Length;
}
for (int j = si; j < ei; j++)
{
if (arc[j]["SP4"] <= 0)
{
continue;
}
Coordinate.SunGeomagnetic(arc[i].IPP[0], arc[i].IPP[1],
arc[i].Epoch.Hour, arc[i].Epoch.Minute, arc[i].Epoch.Second,
GeoFun.GNSS.Common.GEOMAGNETIC_POLE_LAT, GeoFun.GNSS.Common.GEOMAGENTIC_POLE_LON,
out b, out l);
prns.AddLast(prnNum);
lats.AddLast(b);
lons.AddLast(l);
eles.AddLast(arc[j].Elevation);
sp4s.AddLast(arc[j]["SP4"]);
}
}
}
prn.Add(prns);
lat.Add(lats);
lon.Add(lons);
sp4.Add(sp4s);
ele.Add(eles);
}
IonoModel.CalSphericalHarmonicModel(9, 9, stationNames, prn,
lat, lon, sp4, ele, out spm, recDCB, satDCB);
string outFileName = string.Format("{0}_{1:0000}.spm.txt", d, startIndex);
string outFilePath = Path.Combine(resFolder, outFileName);
spm.SaveAs(outFilePath);
startIndex = endIndex;
endIndex += epoSegNum;
if (endIndex > epoNum)
{
endIndex = epoNum;
}
}
}
}
