/// <summary>
/// 分析文件路径最后一个字符，判断导航文件的类型。
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public static FileEphemerisType GetFileEphemerisTypeFromPath(string filePath)
{
FileEphemerisType type = FileEphemerisType.Unkown;
char lastChar = filePath.ToUpper()[filePath.Length - 1];
switch (lastChar)
{
case 'P':
type = FileEphemerisType.Mixed;
break;
case 'N':
type = FileEphemerisType.GpsNFile;
break;
case 'R':
case 'C':
type = FileEphemerisType.Compass;
break;
case 'G':
type = FileEphemerisType.Glonass;
break;
case '3': //sp3
case 'H': //eph
type = FileEphemerisType.Sp3;
break;
default: break;
}
return(type);
}
/// <summary>
/// 自动判断路径文件类型，进行星历数据源类的初始化。
/// </summary>
/// <param name="naviFilePath"></param>
/// <param name="fileType"></param>
/// <param name="IsAvailableOnly"></param>
/// <param name="MinSequentialSatCount"></param>
/// <param name="MaxBreakingCount"></param>
/// <param name="ephInterOrder"></param>
/// <returns></returns>
public static FileEphemerisService Create(string naviFilePath,
FileEphemerisType fileType = FileEphemerisType.Unkown,
bool IsAvailableOnly = true,
int MinSequentialSatCount = 11,
int MaxBreakingCount = 5,
int ephInterOrder = 10
)
{
if (!File.Exists(naviFilePath) || new FileInfo(naviFilePath).Length == 0)
{
return(null);
}
var fileName = Path.GetFileName(naviFilePath);
if (FileEphemerisServicePool.Contains(fileName))
{
return(FileEphemerisServicePool[fileName]);
}
//如果没有手动指定，则自动判断，大多数情况下是可行的。
if (fileType == FileEphemerisType.Unkown)
{
fileType = GetFileEphemerisTypeFromPath(naviFilePath);
}
FileEphemerisService ephemerisFile = null;
switch (fileType)
{
case FileEphemerisType.Mixed:
var reader2 = new MixedNavFileReader(naviFilePath);
ephemerisFile = new MixedNavFileEphService(reader2.ReadGnssNavFlie());
break;
case FileEphemerisType.Compass:
case FileEphemerisType.Galileo:
case FileEphemerisType.GpsNFile:
ParamNavFileReader reader = new ParamNavFileReader(naviFilePath);
ephemerisFile = new SingleParamNavFileEphService(reader.ReadGnssNavFlie());
break;
case FileEphemerisType.Glonass:
ephemerisFile = new SingleGlonassNavFileEphService(new GlonassNaviFileReader(naviFilePath).Read());
break;
case FileEphemerisType.Sp3:
//MinSequentialSatCount = 11, int MaxBreakingCount = 5
ephemerisFile = new SingleSp3FileEphService(naviFilePath, MinSequentialSatCount, MaxBreakingCount, IsAvailableOnly, ephInterOrder); break;
default: break;
}
FileEphemerisServicePool[fileName] = ephemerisFile;
return(ephemerisFile);
}
/// <summary>
/// 数据源读取
/// </summary>
private void LoadDataSource()
{
startTime = DateTime.Now;
//星历数据源
ephemerisDataSource = null;
if (IsSetEphemerisFile)//读取星历数据
{
string ephemerisPath = this.textBox_navPath.Text;
FileEphemerisType ephType = EphemerisDataSourceFactory.GetFileEphemerisTypeFromPath(ephemerisPath);
ephemerisDataSource = EphemerisDataSourceFactory.Create(ephemerisPath);
}
//加载文件数据
this.rovPath = this.textBox_obsFile_rov.Text;
this.RefObsDataSource = new RinexFileObsDataSource(this.textBox_obsPath_ref.Text);
this.RovObsDataSource = new RinexFileObsDataSource(rovPath);
//使用外部设置的概略坐标。
if (this.rmsedXyzControl_rov.IsEnabled)
{
this.RovObsDataSource.SiteInfo.SetApproxXyz(this.rmsedXyzControl_rov.RmsedXyz.Value);
this.RovObsDataSource.SiteInfo.EstimatedXyzRms = this.rmsedXyzControl_rov.RmsedXyz.Rms;
}
//概略坐标显示到界面上。
rmsedXyzControl_rov.SetRmsedXyz(new RmsedXYZ(RovObsDataSource.SiteInfo.ApproxXyz, RovObsDataSource.SiteInfo.EstimatedXyzRms));
//使用外部设置的概略坐标。
if (this.rmsedXyzControl_ref.IsEnabled)
{
this.RefObsDataSource.SiteInfo.SetApproxXyz(this.rmsedXyzControl_ref.RmsedXyz.Value);
this.RefObsDataSource.SiteInfo.EstimatedXyzRms = this.rmsedXyzControl_ref.RmsedXyz.Rms;
}
//概略坐标显示到界面上。
rmsedXyzControl_ref.SetRmsedXyz(new RmsedXYZ(RefObsDataSource.SiteInfo.ApproxXyz, RefObsDataSource.SiteInfo.EstimatedXyzRms));
//检查是否读取钟差数据
clockFile = null;
if (this.checkBox_enableClockFile.Checked)
{
clockFile = new Data.SimpleClockService(this.textBox_ClockPath.Text);
}
TimeSpan span = DateTime.Now - startTime;
ShowInfo("数据已读入,时间（秒）：" + span.TotalSeconds);
}
/// <summary>
/// 创建单点定位
/// </summary>
/// <param name="obsPath">测站信息</param>
/// <param name="startTime">起始计算时间</param>
/// <returns></returns>
private IonFreeDoubleDifferPositioner BuildPositioner(string obsPath, RinexFileObsDataSource refStationPath, BufferedTimePeriod startTime)
{
GnssProcessOption PositionOption = GetModel(startTime);
#region 星历钟差数据源配置
#region 星历数据配置
FileEphemerisService ephemerisDataSource = null;
if (IsSetEphemerisFile)
{
string ephemerisPath = this.textBox_navPath.Text;
if (!File.Exists(ephemerisPath))
{
throw new FileNotFoundException("指定星历文件不存在！\r\n" + ephemerisPath);
}
FileEphemerisType ephType = EphemerisDataSourceFactory.GetFileEphemerisTypeFromPath(ephemerisPath);
ephemerisDataSource = EphemerisDataSourceFactory.Create(ephemerisPath);
}
#endregion
#region 钟差数据配置
Data.ISimpleClockService clock = null;
if (this.checkBox_enableClockFile.Checked)
{
clock = new Data.SimpleClockService(this.textBox_ClockPath.Text);
}
#endregion
#endregion
#region 定位器构造
//加载文件数据
RinexFileObsDataSource refObservationDataSource = (refStationPath);
var rovObservationDataSource = new RinexFileObsDataSource(obsPath);
DataSourceContext context = DataSourceContext.LoadDefault(PositionOption, rovObservationDataSource, ephemerisDataSource, clock);
IonFreeDoubleDifferPositioner pp = new IonFreeDoubleDifferPositioner(context, PositionOption);
//pp.Produced += pp_ProgressIncreased;
return(pp);
#endregion
}
