private void LabelInfoAddForm_Load(object sender, EventArgs e)
{
sFunSPointXPos = this.Tag.ToString();
textBox1.Text = sFunSPointXPos;
FileStream fs = new FileStream(CommonClass.listDIC[0].sFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
BinaryReader br = new BinaryReader(fs);
int gjtds = CommonClass.listDIC[0].listCC.Count;
byte[] b = new byte[gjtds * 2];
int i1 = 0, i2 = 2;
br.BaseStream.Position = int.Parse(sFunSPointXPos);
b = br.ReadBytes(gjtds * 2);
if (CommonClass.listDIC[0].bEncrypt)
{
b = WaveformDataProcess.ByteXORByte(b);
}
short gongli = BitConverter.ToInt16(b, i1);
short mi1 = BitConverter.ToInt16(b, i2);
textBox3.Text = ((gongli * 100000 + (mi1 / (float)CommonClass.listDIC[0].iSmaleRate * 100)) / 1000).ToString();
br.Close();
fs.Close();
textBox1.Text = sFunSPointXPos;
}
/// <summary>
/// 根据通道Id把文件中起始点和结束点之间的绝对值最大的点的原始值
/// </summary>
/// <param name="dic">cit文件</param>
/// <param name="startPos">起始指针</param>
/// <param name="endPos">结束指针</param>
/// <param name="channelId">通道号</param>
/// <returns>起始指针和结束指针之间绝对值最大的点的值</returns>
private float GetMaxValuesOfChannelById(DataInfoClass dic, long startPos, long endPos, ChannelsClass channelCls)
{
try
{
FileStream fs = new FileStream(dic.sFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
BinaryReader br = new BinaryReader(fs);
int gjtds = dic.fScale.Length;
bool bEncrypt = dic.bEncrypt;
byte[] b = new byte[gjtds * 2];
long findpos = startPos;
br.BaseStream.Position = startPos;
List <float> dataArray = new List <float>();
while (findpos < endPos)
{
b = br.ReadBytes(gjtds * 2);
if (bEncrypt)
{
b = WaveformDataProcess.ByteXORByte(b);
}
short km = BitConverter.ToInt16(b, 0);
short count = BitConverter.ToInt16(b, 2);
short channelValueS = BitConverter.ToInt16(b, channelCls.Id * 2);
float channelValueF = channelValueS / dic.fScale[channelCls.Id] + dic.fOffset[channelCls.Id];
dataArray.Add(channelValueF);
findpos += gjtds * 2;
}
br.Close();
fs.Close();
float fRet = MaxValueOfDataArray(dataArray.ToArray());
return(fRet);
}
catch
{
return(0);
}
}
