/// <summary>
/// 读取文件
/// </summary>
/// <returns></returns>
public MultiEpochLgoAscBaseLineFile Read()
{
var file = new MultiEpochLgoAscBaseLineFile();
file.Name = Path.GetFileName(FilePath);
file.Header = LoadHeader();
string line = null;
using (StreamReader reader = new StreamReader(FilePath))
{
LgoAscPoint currentPoint = null;
LgoAscBaseLine currentLine = null;
EpochLgoAscBaseLine epochLgoAscBaseLine = null;
bool isInPoint = true;
while ((line = reader.ReadLine()) != null)
{
var label = line.Substring(0, 2);
if (label == LgoAscLable.HeaderLines)
{
continue;
} //跳过头部
var content = Geo.Utils.StringUtil.SubString(line, 2);
switch (label)
{
case LgoAscLable.PointAndCoordinateInformation:
{
currentPoint = ParsePoint(content);
isInPoint = true;
}
break;
case LgoAscLable.ReferencePointOfBaseline:
{
var xyz = ParseNamedXyz(content);
//由于第一次无法将名称读完，因此只能读完后再存储
currentLine = new LgoAscBaseLine();
currentLine.LineName.RefName = xyz.Name;
currentLine.Baseline.ApproxXyzOfRef = xyz.Value;
isInPoint = false;
}
break;
case LgoAscLable.BaselineVectorComponents:
{
var xyz = ParseNamedXyz(content);
currentLine.Baseline.BaseLineName.RovName = xyz.Name;
currentLine.Baseline.EstimatedVectorRmsedXYZ.Value = xyz.Value;
//流动站坐标位于基线上方
if (currentPoint != null && currentPoint.Name == xyz.Name)
{
currentLine.Baseline.ApproxXyzOfRov = currentPoint.XYZ;
}
else
{
currentLine.Baseline.ApproxXyzOfRov = currentLine.Baseline.ApproxXyzOfRef + xyz.Value;
}
currentLine.Baseline.BaseLineName.Init();
isInPoint = false;
}
break;
case LgoAscLable.VarianceCovarianceOfPoint:
{
double sigma0;
var cova = ParseCovaMatrix(content, out sigma0);
currentPoint.CovaMatrix = new Matrix(cova);
}
break;
case LgoAscLable.VarianceCovarianceOfBaseLine:
{
double sigma0;
var cova = ParseCovaMatrix(content, out sigma0);
currentLine.Baseline.StdDev = sigma0;
currentLine.Baseline.CovaMatrix = new Matrix(cova);
currentLine.Baseline.EstimatedVectorRmsedXYZ.Rms = new XYZ(Math.Sqrt(cova[0, 0]), Math.Sqrt(cova[1, 1]), Math.Sqrt(cova[2, 2]));
}
break;
case LgoAscLable.ErrorEllipseAbsolute:
{
var result = ParseErrorEllipse(content);
if (isInPoint)
{
currentPoint.ErrorEllipse = result;
}
else
{
currentLine.ErrorEllipse = result;
}
}
break;
case LgoAscLable.DateTimeOfFirstCommonEpoch:
{
currentLine.Epoch = ParseEpoch(content);
file.GetOrCreate(currentLine.Epoch).Set(currentLine);
}
break;
case LgoAscLable.ReferenceAntennaHeightAndOffset:
{
currentLine.AntennaBiasOfRef = ParseHeightOffset(content);
}
break;
case LgoAscLable.RoverAntennaHeightAndOffset:
{
currentLine.AntennaBiasOfRov = ParseHeightOffset(content);
}
break;
default:
break;
}
}
//最后保存最后的次基线
var epochFile = file.GetOrCreate(currentLine.Epoch);
epochFile.Set(currentLine);
}
return(file);
}
public void Set(LgoAscBaseLine line)
{
this.BaseLines[line.LineName] = line;
}