/// <summary>
/// 根据起始位置加载波形数据
/// </summary>
/// <param name="startPostion">起始点</param>
public void GetWaveformData(long startPostion)
{
if (File.Exists(_citFilePath))
{
long endPos = 0;
long startPos = 0;
long realStartPos = 0;
long[] postions = CitFileProcess.GetPositons(_citFilePath);
startPos = startPostion;
if (LayerConfig.IsReverse)
{
startPos -= ReviseValue * _citFile.iChannelNumber * 2;
}
else
{
startPos += ReviseValue * _citFile.iChannelNumber * 2;
}
realStartPos = startPos;
int pointCount = 0;
if (startPos < postions[0])
{
while (startPos < postions[0] && pointCount < WaveformDataCount)
{
startPos += _citFile.iChannelNumber * 2;
pointCount++;
}
pointCount = WaveformDataCount - pointCount;
}
else if (startPos > postions[1])
{
while (startPos > postions[1] && pointCount < WaveformDataCount)
{
startPos -= _citFile.iChannelNumber * 2;
pointCount++;
}
pointCount = WaveformDataCount - pointCount;
}
else
{
pointCount = WaveformDataCount;
}
if (LayerConfig.IsReverse)
{
pointCount = pointCount * -1;
}
CurrentPostion = startPos;
endPos = CitFileProcess.GetAppointEndPostion(_citFilePath, startPos, pointCount);
List <double[]> data = null;
if (LayerConfig.IsReverse)
{
data = CitFileProcess.GetAllChannelDataInRange(_citFilePath, endPos, startPos);
MileList.milestoneList = CitFileProcess.GetMileStoneByRange(_citFilePath, endPos, startPos);
}
else
{
data = CitFileProcess.GetAllChannelDataInRange(_citFilePath, startPos, endPos);
MileList.milestoneList = CitFileProcess.GetMileStoneByRange(_citFilePath, startPos, endPos);
}
if (IsLoadIndex)
{
MileList.milestoneList = MileageFix.GetMileageReviseData(MileList.milestoneList);
}
data.RemoveAt(0);
data.RemoveAt(0);
if (ChannelList.Count > 0)
{
for (int i = 0; i < data.Count; i++)
{
if (ChannelList.Count > i)
{
ChannelList[i].Data = new double[WaveformDataCount];
if (data[i].Length < WaveformDataCount)
{
double[] temp = new double[data[i].Length];
Array.Copy(data[i], temp, data[i].Length);
data[i] = new double[WaveformDataCount];
if (realStartPos < postions[0])
{
Array.Copy(temp, 0, data[i], WaveformDataCount - temp.Length, temp.Length);
}
else
{
Array.Copy(temp, data[i], temp.Length);
}
}
if (LayerConfig.IsReverse)
{
Array.Reverse(data[i]);
}
Array.Copy(data[i], ChannelList[i].Data, WaveformDataCount);
}
else
{
break;
}
}
if (MileList.milestoneList.Count < WaveformDataCount)
{
int count = WaveformDataCount - MileList.milestoneList.Count;
for (int i = 0; i < count; i++)
{
if (realStartPos < postions[0])
{
MileList.milestoneList.Insert(0, new Milestone()
{
mKm = 0, mMeter = 0
});
}
else
{
MileList.milestoneList.Add(new Milestone()
{
mKm = 0, mMeter = 0
});
}
}
}
if (LayerConfig.IsReverse)
{
MileList.milestoneList.Reverse();
}
}
}
else
{
throw new InvalidDataException("CIT文件路径无效或为空！");
}
}
/// <summary>
/// 根据索引导出CIT文件
/// </summary>
/// <param name="filePath">cit文件路径</param>
/// <param name="startMileage">开始里程(公里)</param>
/// <param name="endMileage">结束里程(公里)</param>
/// <returns>成功：返回导出路径，失败：空字符串</returns>
public string ExportCITFileAndIndexData(string filePath, double startMileage, double endMileage)
{
string destFile = filePath + "\\" +
Path.GetFileNameWithoutExtension(CitFilePath) + "_" +
startMileage.ToString() + "-" + endMileage.ToString() + ".cit";
if (_citFile.iKmInc == 1 && startMileage < endMileage)
{
double change = startMileage;
startMileage = endMileage;
endMileage = change;
}
if (_citFile != null && MileageFix.FixData.Count > 0)
{
if (_citFile.iKmInc == 0)
{
if (startMileage >= MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000 ||
endMileage <= MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000)
{
return("");
}
if (startMileage < (MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000))
{
startMileage = (MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000);
}
if (endMileage > MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000)
{
endMileage = MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000;
}
}
else if (_citFile.iKmInc == 1)
{
if (endMileage >= MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000 ||
startMileage <= MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000)
{
return("");
}
if (startMileage > MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000)
{
startMileage = MileageFix.FixData[0].MarkedStartPoint.UserSetMileage / 1000;
}
if (endMileage < MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000)
{
endMileage = MileageFix.FixData[MileageFix.FixData.Count - 1].MarkedEndPoint.UserSetMileage / 1000;
}
}
Milestone startStone = new Milestone();
Milestone endStone = new Milestone();
startStone = MileageFix.CalcMilestoneByFixedMilestone((float)startMileage * 1000);
endStone = MileageFix.CalcMilestoneByFixedMilestone((float)endMileage * 1000);
if (startStone.mFilePosition != -1 && endStone.mFileEndPostion != -1)
{
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
List <double[]> channelData = CitFileProcess.GetAllChannelDataInRange(_citFilePath, startStone.mFilePosition, endStone.mFileEndPostion);
List <ChannelDefinition> channelDefinitionList = CitFileProcess.GetChannelDefinitionList(_citFilePath);
if (CitFileProcess.WriteCitFile(destFile, CitFile, channelDefinitionList, "", channelData))
{
CitFileProcess.SetKmFrom(destFile, (float)startStone.GetMeter() / 1000);
CitFileProcess.SetKmTo(destFile, (float)endStone.GetMeter() / 1000);
string indexFile = destFile.Replace(".cit", ".idf");
IOperator newOperator = new IndexOperator();
newOperator.IndexFilePath = indexFile;
//IndexOperator.CreateDB(indexFile);
long fileHead = FileDataOffset.GetSamplePointStartOffset(channelData.Count, 4);
AddNewIndexData(destFile, newOperator, fileHead, startStone.mFilePosition, endStone.mFileEndPostion, channelData.Count);
AddInvaildData(newOperator, fileHead, startStone.mFilePosition, endStone.mFileEndPostion, channelData.Count);
return(destFile);
}
return("");
}
return("");
}
else
{
return(ExportOnlyCITFile(destFile, startMileage, endMileage));
}
}
/// <summary>
/// 导出CIT文件
/// </summary>
/// <param name="filePath">文件路径</param>
/// <param name="filePath">导出路径</param>
/// <param name="startMileage">起始里程(单位：米)</param>
/// <param name="endMileage">结束里程(单位：米)</param>
/// <returns></returns>
public string ExportOnlyCITFile(string filePath, double startMileage, double endMileage)
{
try
{
if (_citFile != null)
{
long startPostion = -1;
long endPostion = -1;
startPostion = CitFileProcess.GetCurrentPositionByMilestone(_citFilePath, (float)startMileage, true);
endPostion = CitFileProcess.GetCurrentPositionByMilestone(_citFilePath, (float)endMileage, true);
if (startPostion == -1 || endPostion == -1)
{
return("");
}
if (CitFileProcess.WriteCitFile(filePath, _citFile, CitFileProcess.GetChannelDefinitionList(_citFilePath), ""))
{
if (startPostion > endPostion)
{
long temp = startPostion;
startPostion = endPostion;
endPostion = temp;
}
long sampleCount = CitFileProcess.GetSampleCountByRange(_citFilePath, startPostion, endPostion);
int sampleNumber = 5000;
if (sampleCount > sampleNumber)
{
long pageCount = (sampleCount / sampleNumber);
long pageEndPostion = 0;
for (int i = 0; i < pageCount; i++)
{
List <double[]> channelData = CitFileProcess.GetAllChannelDataInRange(_citFilePath, startPostion, sampleNumber, ref pageEndPostion);
startPostion = pageEndPostion;
CitFileProcess.WriteCitChannelData(filePath, channelData);
}
if (pageEndPostion < endPostion)
{
List <double[]> channelData = CitFileProcess.GetAllChannelDataInRange(_citFilePath, startPostion, endPostion);
CitFileProcess.WriteCitChannelData(filePath, channelData);
}
}
else
{
List <double[]> channelData = CitFileProcess.GetAllChannelDataInRange(_citFilePath, startPostion, endPostion);
CitFileProcess.WriteCitChannelData(filePath, channelData);
}
if (CitFileProcess.SetKmFrom(filePath, (float)startMileage / 1000) &&
CitFileProcess.SetKmTo(filePath, (float)endMileage / 1000))
{
return(filePath);
}
}
}
return(string.Empty);
}
catch (Exception ex)
{
throw ex;
}
}