/// <summary>
/// 获取原始通道数据 KM 和sample
/// </summary>
/// <param name="sFile"></param>
/// <returns></returns>
public List <int[]> GetMileChannelData(string sFile)
{
using (FileStream fs = new FileStream(sFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader br = new BinaryReader(fs, Encoding.Default))
{
br.BaseStream.Position = 0;
gfh = GetDataInfoHead(br.ReadBytes(GEO_FILE_HEADER_SIZE));
//添加通道信息
iChannelLength = BitConverter.ToInt16(br.ReadBytes(2), 0);
iChannelCount = BitConverter.ToInt16(br.ReadBytes(2), 0);
br.BaseStream.Position = 0;
br.ReadBytes(GEO_FILE_HEADER_SIZE);
br.ReadBytes(4);
br.ReadBytes(iChannelLength - 2);
int iChannelNumberSize = (gfh.dataRecordLength);
byte[] b = new byte[iChannelNumberSize];
//if (iType == 10)
//{
// iChannelCount -= 1;
//}
//else
//{
//}
List <int> kmList = new List <int>();
List <int> mList = new List <int>();
while (br.BaseStream.Position < br.BaseStream.Length)
{
b = br.ReadBytes(iChannelNumberSize);
int iGeometryRecordId = BitConverter.ToInt16(b, 0);
if (iGeometryRecordId != GEOMETRY_RECORD_ID)
{
continue;
}
short sKM = BitConverter.ToInt16(b, 4 * 2);
short sM = BitConverter.ToInt16(b, 5 * 2);
kmList.Add(sKM);
mList.Add(sM);
}
br.Close();
fs.Close();
List <int[]> listData = new List <int[]>();
listData.Add(kmList.ToArray());
listData.Add(mList.ToArray());
return(listData);
}
}
}
public string QueryDataChannelInfoHead(string sFile)
{
try
{
using (FileStream fs = new FileStream(sFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader br = new BinaryReader(fs, Encoding.Default))
{
br.BaseStream.Position = 0;
gfh = GetDataInfoHead(br.ReadBytes(GEO_FILE_HEADER_SIZE));
iChannelLength = BitConverter.ToInt16(br.ReadBytes(2), 0);
iChannelCount = BitConverter.ToInt16(br.ReadBytes(2), 0);
StringBuilder sbName = new StringBuilder();
dciL = new List <DataChannelInfo>();
byte[] bChannelData = br.ReadBytes(iChannelLength - 2);
int iGeometryRecordId = BitConverter.ToInt16(br.ReadBytes(2), 0);
//if (iGeometryRecordId != GEOMETRY_RECORD_ID)
//{
// return "1,文件格式错误！";
//}
for (int i = 0; i < iChannelLength - 2;)
{
DataChannelInfo dci = GetChannelInfo(bChannelData, ref i);
dciL.Add(dci);
sbName.Append(dci.sNameEn + ",");
}
sbName.Remove(sbName.Length - 1, 1);
br.Close();
fs.Close();
return("0," + sbName.ToString());
}
}
}
catch (Exception ex)
{
return("1,qc" + ex.Message);
}
}
/// <summary>
/// 将GEO文件转换为CIT文件
/// </summary>
/// <param name="geoFile">GEO文件路径</param>
/// <param name="citFile">CIT文件路径</param>
/// <param name="citDataHeadInfo">cit头部信息</param>
/// <returns>成功：true，失败：false</returns>
public bool ConvertData(string geoFile, string citFile, FileInformation citDataHeadInfo)
{
try
{
int type = 1;
//10号车通道对应表
if (citDataHeadInfo.sTrain.Contains("999307"))
{
type = 307;//iType=307时，geo转换有特殊情况
}
int iPostion = 18;
QueryDataChannelInfoHead(geoFile);
string mileageRange = GetExportDataMileageRange(geoFile);
mileageRange = mileageRange.Substring(2);
float startMileage = float.Parse(mileageRange.Substring(0, mileageRange.IndexOf("-")));
float endMileage = float.Parse(mileageRange.Substring(mileageRange.IndexOf("-") + 1));
if (citDataHeadInfo.iKmInc == 0)
{
if (endMileage < startMileage)
{
float temp = startMileage;
startMileage = endMileage;
endMileage = temp;
}
}
else
{
if (endMileage > startMileage)
{
float temp = startMileage;
startMileage = endMileage;
endMileage = temp;
}
}
citDataHeadInfo.fkmFrom = startMileage;
citDataHeadInfo.fkmTo = endMileage;
using (FileStream fs = new FileStream(geoFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader br = new BinaryReader(fs, Encoding.Default))
{
br.BaseStream.Position = 0;
gfh = GetDataInfoHead(br.ReadBytes(GEO_FILE_HEADER_SIZE));
//添加通道信息
iChannelLength = BitConverter.ToInt16(br.ReadBytes(2), 0);
iChannelCount = BitConverter.ToInt16(br.ReadBytes(2), 0);
citDataHeadInfo.iChannelNumber = 2 + channelMappingList.Count;
#region 通道定义
dciL = new List <DataChannelInfo>();
byte[] bChannelData = br.ReadBytes(iChannelLength - 2);
//读取通道
for (int j = 0; j < iChannelLength - 2;)
{
DataChannelInfo dci = GetChannelInfo(bChannelData, ref j);
dciL.Add(dci);
if (dciL.Count > iChannelCount)
{
break;
}
if (type == 10)
{
if (dci.sNameEn.ToLower().Contains("null"))
{
break;
}
}
}
//通道匹配
int channelID = 2;
List <int> listID = new List <int>();
List <ChannelDefinition> channelList = new List <ChannelDefinition>();
channelList.Add(new ChannelDefinition {
sID = 1, sNameEn = "Km", sNameCh = "Km", fScale = 1.0f, fOffset = 0.0f, sUnit = ""
});
channelList.Add(new ChannelDefinition {
sID = 2, sNameEn = "Meter", sNameCh = "Meter", fScale = 4.0f, fOffset = 0.0f, sUnit = ""
});
for (int i = 0; i < channelMappingList.Count; i++)
{
for (int j = 0; j < dciL.Count; j++)
{
if (dciL[j].sNameEn.Equals(channelMappingList[i].sGEO))
{
listID.Add(j);
ChannelDefinition channelInfoItem = new ChannelDefinition();
channelInfoItem.sID = channelID;
channelInfoItem.sNameEn = channelMappingList[i].sCIT;
channelInfoItem.sNameCh = channelMappingList[i].sChinese;
channelInfoItem.fScale = dciL[j].fScale;
channelInfoItem.fOffset = 0.0f;
channelInfoItem.sUnit = dciL[j].sUnit;
channelList.Add(channelInfoItem);
++channelID;
break;
}
}
}
#endregion
#region 通道数据
List <byte[]> bytes = GetChannelData(br, gfh, type, listID, iPostion);
#endregion
citHelper.WriteCitFile(citFile, citDataHeadInfo, channelList, "", bytes);
br.Close();
}
fs.Close();
}
return(true);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// 获取通道数据
/// </summary>
/// <param name="br"></param>
/// <param name="gfh"></param>
/// <param name="iType"></param>
/// <param name="listID"></param>
/// <param name="iPostion"></param>
/// <returns></returns>
private List <byte[]> GetChannelData(BinaryReader br, DataHeaderInfo gfh, int iType, List <int> listID, int iPostion)
{
List <byte[]> bytes = new List <byte[]>();
br.BaseStream.Position = 0;
br.ReadBytes(GEO_FILE_HEADER_SIZE);
br.ReadBytes(4);
br.ReadBytes(iChannelLength - 2);
int iChannelNumberSize = (gfh.dataRecordLength);
byte[] b = new byte[iChannelNumberSize];
if (iType == 10)
{
iChannelCount -= 1;
}
while (br.BaseStream.Position < br.BaseStream.Length)
{
b = br.ReadBytes(iChannelNumberSize);
int iGeometryRecordId = BitConverter.ToInt16(b, 0);
if (iGeometryRecordId != GEOMETRY_RECORD_ID)
{
continue;
}
short sKM = BitConverter.ToInt16(b, 4 * 2);
short sM = BitConverter.ToInt16(b, 5 * 2);
byte[] bResult = new byte[4 + listID.Count * 2];
byte[] b1 = BitConverter.GetBytes(BitConverter.ToInt16(b, 4 * 2));
bResult[0] = b1[0];
bResult[1] = b1[1];
b1 = BitConverter.GetBytes(BitConverter.ToInt16(b, 5 * 2));
bResult[2] = b1[0];
bResult[3] = b1[1];
//12
for (int i = 0; i < listID.Count; i++)
{
if (iType == 307)
{
if (listID[i] > 22)
{
b1 = BitConverter.GetBytes(BitConverter.ToInt16(b, iPostion + 12 + listID[i] * 2));
}
else
{
b1 = BitConverter.GetBytes(BitConverter.ToInt16(b, iPostion + listID[i] * 2));
}
}
else
{
b1 = BitConverter.GetBytes(BitConverter.ToInt16(b, iPostion + listID[i] * 2));
}
bResult[4 + i * 2] = b1[0];
bResult[4 + i * 2 + 1] = b1[1];
}
bResult = Encryption.Translate(bResult);
bytes.Add(bResult);
}
return(bytes);
}
/// <summary>
/// 获取头文件信息
/// </summary>
/// <param name="bDataInfo"></param>
/// <returns></returns>
private DataHeaderInfo GetDataInfoHead(byte[] bDataInfo)
{
DataHeaderInfo gfh = new DataHeaderInfo();
gfh.fileVersion = BitConverter.ToInt16(bDataInfo, 0);
gfh.dirFlag = BitConverter.ToInt16(bDataInfo, 2);
gfh.dataRecordLength = BitConverter.ToInt32(bDataInfo, 4);
gfh.sampleInterval = BitConverter.ToSingle(bDataInfo, 8);
gfh.postUnits = BitConverter.ToSingle(bDataInfo, 12);
//获取GEO Date
StringBuilder sbDate = new StringBuilder();
for (int i = 0; i < 8; i++)
{
if (bDataInfo[42 + i] == 0)
{
break;
}
sbDate.Append(UnicodeEncoding.Default.GetString(bDataInfo, 42 + i, 1));
}
gfh.Date = sbDate.ToString();
//获取GEO Time
StringBuilder sbTime = new StringBuilder();
for (int i = 0; i < 8; i++)
{
if (bDataInfo[54 + i] == 0)
{
break;
}
sbTime.Append(UnicodeEncoding.Default.GetString(bDataInfo, 54 + i, 1));
}
gfh.Time = sbTime.ToString();
//获取GEO Area
StringBuilder sbArea = new StringBuilder();
for (int i = 0; i < 60; i++)
{
if (bDataInfo[66 + i] == 0)
{
break;
}
sbArea.Append(UnicodeEncoding.Default.GetString(bDataInfo, 66 + i, 1));
}
gfh.Area = sbArea.ToString();
//获取GEO Division
StringBuilder sbDivision = new StringBuilder();
for (int i = 0; i < 16; i++)
{
if (bDataInfo[130 + i] == 0)
{
break;
}
sbDivision.Append(UnicodeEncoding.Default.GetString(bDataInfo, 130 + i, 1));
}
gfh.Division = sbDivision.ToString();
//获取GEO Region
StringBuilder sbRegion = new StringBuilder();
for (int i = 0; i < 16; i++)
{
if (bDataInfo[150 + i] == 0)
{
break;
}
sbRegion.Append(UnicodeEncoding.Default.GetString(bDataInfo, 150 + i, 1));
}
gfh.Region = sbRegion.ToString();
return(gfh);
}
