/// <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;
GEO_FILE_HEADER 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.data_record_length);
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 GEO_FILE_HEADER GetDataInfoHead(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;
GEO_FILE_HEADER gfh = GetDataInfoHead(br.ReadBytes(GEO_FILE_HEADER_SIZE));
br.Close();
fs.Close();
return(gfh);
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="sFile"></param>
/// <returns></returns>
public List <DataChannelInfo> GetDataChannel(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;
GEO_FILE_HEADER 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);
StringBuilder sbName = new StringBuilder();
List <DataChannelInfo> dciL = new List <DataChannelInfo>();
byte[] bChannelData = br.ReadBytes(iChannelLength - 2);
for (int j = 0; j < iChannelLength - 2;)
{
DataChannelInfo dci = GetChannelInfo(bChannelData, ref j);
dciL.Add(dci);
if (dciL.Count > iChannelCount)
{
break;
}
//if (iType == 10)
//{
// if (dci.sNameEn.ToLower().Contains("null"))
// {
// break;
// }
//}
}
return(dciL);
}
}
}
/// <summary>
/// 按照结构体读取各个数据
/// </summary>
/// <param name="bDataInfo"></param>
/// <returns></returns>
private GEO_FILE_HEADER GetDataInfoHead(byte[] bDataInfo)
{
GEO_FILE_HEADER gfh = new GEO_FILE_HEADER();
gfh.file_version = BitConverter.ToInt16(bDataInfo, 0);
gfh.dir_flag = BitConverter.ToInt16(bDataInfo, 2);
gfh.data_record_length = BitConverter.ToInt32(bDataInfo, 4);
gfh.sample_interval = BitConverter.ToSingle(bDataInfo, 8);
gfh.post_units = 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);
}
