/// <summary>
/// 计算起始里程
/// </summary>
private void CalcCitStartMileStone()
{
if (_fixData != null && _fixData.Count > 0)
{
long markedStartPostion = _fixData[0].MarkedStartPoint.FilePointer;
long sampleCount = _citProcess.GetAppointSampleCount(_citFilePath, markedStartPostion);
if (sampleCount > 0)
{
MileStoneFixData data = new MileStoneFixData();
data.MarkedEndPoint = _fixData[0].MarkedStartPoint;
data.SamplePointCount = sampleCount;
data.SampleRate = _meanSampleRate;
UserMarkedPoint markedStartPoint = new UserMarkedPoint();
long[] points = _citProcess.GetPositons(_citFilePath);
markedStartPoint.FilePointer = points[0];
//if (_citFileInfo.iKmInc == 1)
//{
// markedStartPoint.UserSetMileage = data.MarkedEndPoint.UserSetMileage + (data.SamplePointCount - 1) * data.SampleRate;
//}
//else
//{
// markedStartPoint.UserSetMileage = data.MarkedEndPoint.UserSetMileage - (data.SamplePointCount - 1) * data.SampleRate;
//}
markedStartPoint.UserSetMileage = data.MarkedEndPoint.UserSetMileage - (data.SamplePointCount - 1) * data.SampleRate;
markedStartPoint.FilePointer = points[0];
data.MarkedStartPoint = markedStartPoint;
data.RealDistance = data.MarkedEndPoint.UserSetMileage - data.MarkedStartPoint.UserSetMileage;
_fixData.Insert(0, data);
}
}
}